Decoder: Reduced memory requirements

Memory allocations are now done based on contents of SPS
API changed to move allocations inside the library

Also changed strlen to strnlen

Bug: 24221026

Change-Id: I9130457f564cddb4da7ec6399cc9fe88ee871217

20 files changed, 1558 insertions, 3012 deletions

diff --git a/decoder/ih264d.h b/decoder/ih264d.h
index beda247..63a5ce1 100644
--- a/decoder/ih264d.h
+++ b/decoder/ih264d.h
@@ -78,8 +78,6 @@ IV_API_CALL_STATUS_T ih264d_api_function(iv_obj_t *ps_handle, void *pv_api_ip,vo
 typedef enum {
 
     IH264D_VID_HDR_DEC_NUM_FRM_BUF_NOT_SUFFICIENT   = IVD_DUMMY_ELEMENT_FOR_CODEC_EXTENSIONS + 1,
-    IH264D_UNSUPPORTED_LEVEL   = IVD_DUMMY_ELEMENT_FOR_CODEC_EXTENSIONS + 2,
-    IH264D_UNSUPPORTED_NUM_REF_FRAMES   = IVD_DUMMY_ELEMENT_FOR_CODEC_EXTENSIONS + 3
 
 }IH264D_ERROR_CODES_T;
 
@@ -87,60 +85,20 @@ typedef enum {
 /* Extended Structures                                                       */
 /*****************************************************************************/
 
-/*****************************************************************************/
-/*  Get Number of Memory Records                                             */
-/*****************************************************************************/
-
-
-typedef struct {
-    iv_num_mem_rec_ip_t                    s_ivd_num_mem_rec_ip_t;
-}ih264d_num_mem_rec_ip_t;
-
-
-typedef struct{
-    iv_num_mem_rec_op_t                    s_ivd_num_mem_rec_op_t;
-}ih264d_num_mem_rec_op_t;
-
 
 /*****************************************************************************/
-/*  Fill Memory Records                                                      */
+/*  Delete Codec                                                             */
 /*****************************************************************************/
 
 
 typedef struct {
-    iv_fill_mem_rec_ip_t                    s_ivd_fill_mem_rec_ip_t;
-    WORD32                                  i4_level;
-    UWORD32                                 u4_num_reorder_frames;
-    UWORD32                                 u4_num_ref_frames;
-    UWORD32                                 u4_share_disp_buf;
-
-    /* format in which codec has to give out frame data for display */
-    IV_COLOR_FORMAT_T                       e_output_format;
-
-    /* Number of extra display buffers that will be allocated to handle display pipeline depth */
-    UWORD32                                 u4_num_extra_disp_buf;
-
-}ih264d_fill_mem_rec_ip_t;
+    ivd_delete_ip_t               s_ivd_delete_ip_t;
+}ih264d_delete_ip_t;
 
 
 typedef struct{
-    iv_fill_mem_rec_op_t                   s_ivd_fill_mem_rec_op_t;
-
-}ih264d_fill_mem_rec_op_t;
-
-/*****************************************************************************/
-/*  Retrieve Memory Records                                                  */
-/*****************************************************************************/
-
-
-typedef struct {
-    iv_retrieve_mem_rec_ip_t               s_ivd_retrieve_mem_rec_ip_t;
-}ih264d_retrieve_mem_rec_ip_t;
-
-
-typedef struct{
-    iv_retrieve_mem_rec_op_t               s_ivd_retrieve_mem_rec_op_t;
-}ih264d_retrieve_mem_rec_op_t;
+    ivd_delete_op_t               s_ivd_delete_op_t;
+}ih264d_delete_op_t;
 
 
 /*****************************************************************************/
@@ -149,20 +107,13 @@ typedef struct{
 
 
 typedef struct {
-    ivd_init_ip_t                           s_ivd_init_ip_t;
-    WORD32                                  i4_level;
-    UWORD32                                 u4_num_reorder_frames;
-    UWORD32                                 u4_num_ref_frames;
-    UWORD32                                 u4_share_disp_buf;
-    /* Number of extra display buffers that will be allocated to handle display pipeline depth */
-    UWORD32                                 u4_num_extra_disp_buf;
-
-}ih264d_init_ip_t;
+    ivd_create_ip_t                         s_ivd_create_ip_t;
+}ih264d_create_ip_t;
 
 
 typedef struct{
-    ivd_init_op_t                           s_ivd_init_op_t;
-}ih264d_init_op_t;
+    ivd_create_op_t                         s_ivd_create_op_t;
+}ih264d_create_op_t;
 
 
 /*****************************************************************************/
diff --git a/decoder/ih264d_api.c b/decoder/ih264d_api.c
index 6fbd834..6ef5185 100644
--- a/decoder/ih264d_api.c
+++ b/decoder/ih264d_api.c
@@ -27,11 +27,8 @@
 /*                                                                           */
 /*  List of Functions : api_check_struct_sanity                              */
 /*          ih264d_set_processor                                             */
-/*          ih264d_get_num_rec                                               */
-/*          ih264d_init_decoder                                              */
-/*          ih264d_init_video_decoder                                        */
-/*          ih264d_fill_num_mem_rec                                          */
-/*          ih264d_clr                                                       */
+/*          ih264d_create                                                    */
+/*          ih264d_delete                                                    */
 /*          ih264d_init                                                      */
 /*          ih264d_map_error                                                 */
 /*          ih264d_video_decode                                              */
@@ -103,7 +100,7 @@
 //Move this to where it is used
 #define CODEC_NAME              "H264VDEC"
 #define CODEC_RELEASE_TYPE      "production"
-#define CODEC_RELEASE_VER       "04.00"
+#define CODEC_RELEASE_VER       "05.00"
 #define CODEC_VENDOR            "ITTIAM"
 #define MAXVERSION_STRLEN       511
 #define VERSION(version_string, codec_name, codec_release_type, codec_release_ver, codec_vendor)    \
@@ -111,16 +108,12 @@
              "@(#)Id:%s_%s Ver:%s Released by %s Build: %s @ %s",                                   \
              codec_name, codec_release_type, codec_release_ver, codec_vendor, __DATE__, __TIME__)
 
-#define MAX_NAL_UNIT_SIZE       MAX((H264_MAX_FRAME_HEIGHT * H264_MAX_FRAME_HEIGHT),MIN_NALUNIT_SIZE)
-#define MIN_NALUNIT_SIZE        200000
-
 
 #define MIN_IN_BUFS             1
 #define MIN_OUT_BUFS_420        3
 #define MIN_OUT_BUFS_422ILE     1
 #define MIN_OUT_BUFS_RGB565     1
 #define MIN_OUT_BUFS_420SP      2
-#define MIN_IN_BUF_SIZE (2*1024*1024)  // Currently, i4_size set to 500kb, CHECK LATER
 
 #define NUM_FRAMES_LIMIT_ENABLED 0
 
@@ -173,32 +166,14 @@ static IV_API_CALL_STATUS_T api_check_struct_sanity(iv_obj_t *ps_handle,
     /* error checks on handle */
     switch((WORD32)e_cmd)
     {
-        case IV_CMD_GET_NUM_MEM_REC:
-        case IV_CMD_FILL_NUM_MEM_REC:
+        case IVD_CMD_CREATE:
             break;
-        case IV_CMD_INIT:
-            if(ps_handle == NULL)
-            {
-                *(pu4_api_op + 1) |= 1 << IVD_UNSUPPORTEDPARAM;
-                *(pu4_api_op + 1) |= IVD_HANDLE_NULL;
-                return IV_FAIL;
-            }
 
-            if(ps_handle->u4_size != sizeof(iv_obj_t))
-            {
-                *(pu4_api_op + 1) |= 1 << IVD_UNSUPPORTEDPARAM;
-                *(pu4_api_op + 1) |= IVD_HANDLE_STRUCT_SIZE_INCORRECT;
-                H264_DEC_DEBUG_PRINT(
-                                "Sizes do not match. Expected: %d, Got: %d",
-                                sizeof(iv_obj_t), ps_handle->u4_size);
-                return IV_FAIL;
-            }
-            break;
         case IVD_CMD_REL_DISPLAY_FRAME:
         case IVD_CMD_SET_DISPLAY_FRAME:
         case IVD_CMD_GET_DISPLAY_FRAME:
         case IVD_CMD_VIDEO_DECODE:
-        case IV_CMD_RETRIEVE_MEMREC:
+        case IVD_CMD_DELETE:
         case IVD_CMD_VIDEO_CTL:
             if(ps_handle == NULL)
             {
@@ -236,530 +211,57 @@ static IV_API_CALL_STATUS_T api_check_struct_sanity(iv_obj_t *ps_handle,
 
     switch((WORD32)e_cmd)
     {
-        case IV_CMD_GET_NUM_MEM_REC:
+        case IVD_CMD_CREATE:
         {
-            ih264d_num_mem_rec_ip_t *ps_ip =
-                            (ih264d_num_mem_rec_ip_t *)pv_api_ip;
-            ih264d_num_mem_rec_op_t *ps_op =
-                            (ih264d_num_mem_rec_op_t *)pv_api_op;
-            ps_op->s_ivd_num_mem_rec_op_t.u4_error_code = 0;
-
-            if(ps_ip->s_ivd_num_mem_rec_ip_t.u4_size
-                            != sizeof(ih264d_num_mem_rec_ip_t))
-            {
-                ps_op->s_ivd_num_mem_rec_op_t.u4_error_code |= 1
-                                << IVD_UNSUPPORTEDPARAM;
-                ps_op->s_ivd_num_mem_rec_op_t.u4_error_code |=
-                                IVD_IP_API_STRUCT_SIZE_INCORRECT;
-                return (IV_FAIL);
-            }
+            ih264d_create_ip_t *ps_ip = (ih264d_create_ip_t *)pv_api_ip;
+            ih264d_create_op_t *ps_op = (ih264d_create_op_t *)pv_api_op;
 
-            if(ps_op->s_ivd_num_mem_rec_op_t.u4_size
-                            != sizeof(ih264d_num_mem_rec_op_t))
-            {
-                ps_op->s_ivd_num_mem_rec_op_t.u4_error_code |= 1
-                                << IVD_UNSUPPORTEDPARAM;
-                ps_op->s_ivd_num_mem_rec_op_t.u4_error_code |=
-                                IVD_OP_API_STRUCT_SIZE_INCORRECT;
-                return (IV_FAIL);
-            }
-        }
-            break;
-        case IV_CMD_FILL_NUM_MEM_REC:
-        {
-            ih264d_fill_mem_rec_ip_t *ps_ip =
-                            (ih264d_fill_mem_rec_ip_t *)pv_api_ip;
-            ih264d_fill_mem_rec_op_t *ps_op =
-                            (ih264d_fill_mem_rec_op_t *)pv_api_op;
-            iv_mem_rec_t *ps_mem_rec;
-            WORD32 max_wd = ps_ip->s_ivd_fill_mem_rec_ip_t.u4_max_frm_wd;
-            WORD32 max_ht = ps_ip->s_ivd_fill_mem_rec_ip_t.u4_max_frm_ht;
-
-            max_wd = ALIGN16(max_wd);
-            max_ht = ALIGN32(max_ht);
-
-            ps_op->s_ivd_fill_mem_rec_op_t.u4_error_code = 0;
-
-            if((ps_ip->s_ivd_fill_mem_rec_ip_t.u4_size
-                            > sizeof(ih264d_fill_mem_rec_ip_t))
-                            || (ps_ip->s_ivd_fill_mem_rec_ip_t.u4_size
-                                            < sizeof(iv_fill_mem_rec_ip_t)))
-            {
-                ps_op->s_ivd_fill_mem_rec_op_t.u4_error_code |= 1
-                                << IVD_UNSUPPORTEDPARAM;
-                ps_op->s_ivd_fill_mem_rec_op_t.u4_error_code |=
-                                IVD_IP_API_STRUCT_SIZE_INCORRECT;
-                return (IV_FAIL);
-            }
 
-            if((ps_op->s_ivd_fill_mem_rec_op_t.u4_size
-                            != sizeof(ih264d_fill_mem_rec_op_t))
-                            && (ps_op->s_ivd_fill_mem_rec_op_t.u4_size
-                                            != sizeof(iv_fill_mem_rec_op_t)))
-            {
-                ps_op->s_ivd_fill_mem_rec_op_t.u4_error_code |= 1
-                                << IVD_UNSUPPORTEDPARAM;
-                ps_op->s_ivd_fill_mem_rec_op_t.u4_error_code |=
-                                IVD_OP_API_STRUCT_SIZE_INCORRECT;
-                return (IV_FAIL);
-            }
+            ps_op->s_ivd_create_op_t.u4_error_code = 0;
 
-            if(max_wd < H264_MIN_FRAME_WIDTH)
+            if((ps_ip->s_ivd_create_ip_t.u4_size > sizeof(ih264d_create_ip_t))
+                            || (ps_ip->s_ivd_create_ip_t.u4_size
+                                            < sizeof(ivd_create_ip_t)))
             {
-                ps_op->s_ivd_fill_mem_rec_op_t.u4_error_code |= 1
+                ps_op->s_ivd_create_op_t.u4_error_code |= 1
                                 << IVD_UNSUPPORTEDPARAM;
-                ps_op->s_ivd_fill_mem_rec_op_t.u4_error_code |=
-                                IVD_REQUESTED_WIDTH_NOT_SUPPPORTED;
-                return (IV_FAIL);
-            }
-
-            if(max_wd > H264_MAX_FRAME_WIDTH)
-            {
-                ps_op->s_ivd_fill_mem_rec_op_t.u4_error_code |= 1
-                                << IVD_UNSUPPORTEDPARAM;
-                ps_op->s_ivd_fill_mem_rec_op_t.u4_error_code |=
-                                IVD_REQUESTED_WIDTH_NOT_SUPPPORTED;
-                return (IV_FAIL);
-            }
-
-            if(max_ht < H264_MIN_FRAME_HEIGHT)
-            {
-                ps_op->s_ivd_fill_mem_rec_op_t.u4_error_code |= 1
-                                << IVD_UNSUPPORTEDPARAM;
-                ps_op->s_ivd_fill_mem_rec_op_t.u4_error_code |=
-                                IVD_REQUESTED_HEIGHT_NOT_SUPPPORTED;
-                return (IV_FAIL);
-            }
-
-            if((max_ht * max_wd)
-                            > (H264_MAX_FRAME_HEIGHT * H264_MAX_FRAME_WIDTH))
-
-            {
-                ps_op->s_ivd_fill_mem_rec_op_t.u4_error_code |= 1
-                                << IVD_UNSUPPORTEDPARAM;
-                ps_op->s_ivd_fill_mem_rec_op_t.u4_error_code |=
-                                IVD_REQUESTED_HEIGHT_NOT_SUPPPORTED;
-                return (IV_FAIL);
-            }
-
-            if(NULL == ps_ip->s_ivd_fill_mem_rec_ip_t.pv_mem_rec_location)
-            {
-                ps_op->s_ivd_fill_mem_rec_op_t.u4_error_code |= 1
-                                << IVD_UNSUPPORTEDPARAM;
-                ps_op->s_ivd_fill_mem_rec_op_t.u4_error_code |=
-                                IVD_NUM_REC_NOT_SUFFICIENT;
-                return (IV_FAIL);
-            }
-
-            /* check memrecords sizes are correct */
-            ps_mem_rec = ps_ip->s_ivd_fill_mem_rec_ip_t.pv_mem_rec_location;
-            for(i = 0; i < MEM_REC_CNT; i++)
-            {
-                if(ps_mem_rec[i].u4_size != sizeof(iv_mem_rec_t))
-                {
-                    ps_op->s_ivd_fill_mem_rec_op_t.u4_error_code |= 1
-                                    << IVD_UNSUPPORTEDPARAM;
-                    ps_op->s_ivd_fill_mem_rec_op_t.u4_error_code |=
-                                    IVD_MEM_REC_STRUCT_SIZE_INCORRECT;
-                    return IV_FAIL;
-                }
-            }
-        }
-            break;
-
-        case IV_CMD_INIT:
-        {
-            ih264d_init_ip_t *ps_ip = (ih264d_init_ip_t *)pv_api_ip;
-            ih264d_init_op_t *ps_op = (ih264d_init_op_t *)pv_api_op;
-            iv_mem_rec_t *ps_mem_rec;
-            WORD32 max_wd = ps_ip->s_ivd_init_ip_t.u4_frm_max_wd;
-            WORD32 max_ht = ps_ip->s_ivd_init_ip_t.u4_frm_max_ht;
-
-            max_wd = ALIGN16(max_wd);
-            max_ht = ALIGN32(max_ht);
-
-            ps_op->s_ivd_init_op_t.u4_error_code = 0;
-
-            if((ps_ip->s_ivd_init_ip_t.u4_size > sizeof(ih264d_init_ip_t))
-                            || (ps_ip->s_ivd_init_ip_t.u4_size
-                                            < sizeof(ivd_init_ip_t)))
-            {
-                ps_op->s_ivd_init_op_t.u4_error_code |= 1
-                                << IVD_UNSUPPORTEDPARAM;
-                ps_op->s_ivd_init_op_t.u4_error_code |=
+                ps_op->s_ivd_create_op_t.u4_error_code |=
                                 IVD_IP_API_STRUCT_SIZE_INCORRECT;
                 H264_DEC_DEBUG_PRINT("\n");
                 return (IV_FAIL);
             }
 
-            if((ps_op->s_ivd_init_op_t.u4_size != sizeof(ih264d_init_op_t))
-                            && (ps_op->s_ivd_init_op_t.u4_size
-                                            != sizeof(ivd_init_op_t)))
+            if((ps_op->s_ivd_create_op_t.u4_size != sizeof(ih264d_create_op_t))
+                            && (ps_op->s_ivd_create_op_t.u4_size
+                                            != sizeof(ivd_create_op_t)))
             {
-                ps_op->s_ivd_init_op_t.u4_error_code |= 1
+                ps_op->s_ivd_create_op_t.u4_error_code |= 1
                                 << IVD_UNSUPPORTEDPARAM;
-                ps_op->s_ivd_init_op_t.u4_error_code |=
+                ps_op->s_ivd_create_op_t.u4_error_code |=
                                 IVD_OP_API_STRUCT_SIZE_INCORRECT;
                 H264_DEC_DEBUG_PRINT("\n");
                 return (IV_FAIL);
             }
 
-            if(ps_ip->s_ivd_init_ip_t.u4_num_mem_rec != MEM_REC_CNT)
-            {
-                ps_op->s_ivd_init_op_t.u4_error_code |= 1
-                                << IVD_UNSUPPORTEDPARAM;
-                ps_op->s_ivd_init_op_t.u4_error_code |=
-                                IVD_INIT_DEC_NOT_SUFFICIENT;
-                H264_DEC_DEBUG_PRINT("\n");
-                return (IV_FAIL);
-            }
-
-            if(max_wd < H264_MIN_FRAME_WIDTH)
-            {
-                ps_op->s_ivd_init_op_t.u4_error_code |= 1
-                                << IVD_UNSUPPORTEDPARAM;
-                ps_op->s_ivd_init_op_t.u4_error_code |=
-                                IVD_INIT_DEC_WIDTH_NOT_SUPPPORTED;
-                H264_DEC_DEBUG_PRINT("\n");
-                return (IV_FAIL);
-            }
-
-            if(max_wd > H264_MAX_FRAME_WIDTH)
-            {
-                ps_op->s_ivd_init_op_t.u4_error_code |= 1
-                                << IVD_UNSUPPORTEDPARAM;
-                ps_op->s_ivd_init_op_t.u4_error_code |=
-                                IVD_INIT_DEC_WIDTH_NOT_SUPPPORTED;
-                H264_DEC_DEBUG_PRINT("\n");
-                return (IV_FAIL);
-            }
-
-            if(max_ht < H264_MIN_FRAME_HEIGHT)
-            {
-                ps_op->s_ivd_init_op_t.u4_error_code |= 1
-                                << IVD_UNSUPPORTEDPARAM;
-                ps_op->s_ivd_init_op_t.u4_error_code |=
-                                IVD_INIT_DEC_HEIGHT_NOT_SUPPPORTED;
-                H264_DEC_DEBUG_PRINT("\n");
-                return (IV_FAIL);
-            }
-
-            if((max_ht * max_wd)
-                            > (H264_MAX_FRAME_HEIGHT * H264_MAX_FRAME_WIDTH))
-
-            {
-                ps_op->s_ivd_init_op_t.u4_error_code |= 1
-                                << IVD_UNSUPPORTEDPARAM;
-                ps_op->s_ivd_init_op_t.u4_error_code |=
-                                IVD_INIT_DEC_HEIGHT_NOT_SUPPPORTED;
-                H264_DEC_DEBUG_PRINT("\n");
-                return (IV_FAIL);
-            }
-
-            if(NULL == ps_ip->s_ivd_init_ip_t.pv_mem_rec_location)
-            {
-                ps_op->s_ivd_init_op_t.u4_error_code |= 1
-                                << IVD_UNSUPPORTEDPARAM;
-                ps_op->s_ivd_init_op_t.u4_error_code |=
-                                IVD_NUM_REC_NOT_SUFFICIENT;
-                H264_DEC_DEBUG_PRINT("\n");
-                return (IV_FAIL);
-            }
 
-            if((ps_ip->s_ivd_init_ip_t.e_output_format != IV_YUV_420P)
-                            && (ps_ip->s_ivd_init_ip_t.e_output_format
+            if((ps_ip->s_ivd_create_ip_t.e_output_format != IV_YUV_420P)
+                            && (ps_ip->s_ivd_create_ip_t.e_output_format
                                             != IV_YUV_422ILE)
-                            && (ps_ip->s_ivd_init_ip_t.e_output_format
+                            && (ps_ip->s_ivd_create_ip_t.e_output_format
                                             != IV_RGB_565)
-                            && (ps_ip->s_ivd_init_ip_t.e_output_format
+                            && (ps_ip->s_ivd_create_ip_t.e_output_format
                                             != IV_YUV_420SP_UV)
-                            && (ps_ip->s_ivd_init_ip_t.e_output_format
+                            && (ps_ip->s_ivd_create_ip_t.e_output_format
                                             != IV_YUV_420SP_VU))
             {
-                ps_op->s_ivd_init_op_t.u4_error_code |= 1
+                ps_op->s_ivd_create_op_t.u4_error_code |= 1
                                 << IVD_UNSUPPORTEDPARAM;
-                ps_op->s_ivd_init_op_t.u4_error_code |=
+                ps_op->s_ivd_create_op_t.u4_error_code |=
                                 IVD_INIT_DEC_COL_FMT_NOT_SUPPORTED;
                 H264_DEC_DEBUG_PRINT("\n");
                 return (IV_FAIL);
             }
 
-            /* verify number of mem records */
-            if(ps_ip->s_ivd_init_ip_t.u4_num_mem_rec < MEM_REC_CNT)
-            {
-                ps_op->s_ivd_init_op_t.u4_error_code |= 1
-                                << IVD_UNSUPPORTEDPARAM;
-                ps_op->s_ivd_init_op_t.u4_error_code |=
-                                IVD_INIT_DEC_MEM_REC_NOT_SUFFICIENT;
-                H264_DEC_DEBUG_PRINT("\n");
-                return IV_FAIL;
-            }
-
-            ps_mem_rec = ps_ip->s_ivd_init_ip_t.pv_mem_rec_location;
-            /* check memrecords sizes are correct */
-            for(i = 0; i < ps_ip->s_ivd_init_ip_t.u4_num_mem_rec; i++)
-            {
-                if(ps_mem_rec[i].u4_size != sizeof(iv_mem_rec_t))
-                {
-                    ps_op->s_ivd_init_op_t.u4_error_code |= 1
-                                    << IVD_UNSUPPORTEDPARAM;
-                    ps_op->s_ivd_init_op_t.u4_error_code |=
-                                    IVD_MEM_REC_STRUCT_SIZE_INCORRECT;
-                    H264_DEC_DEBUG_PRINT("i: %d\n", i);
-                    return IV_FAIL;
-                }
-                /* check memrecords pointers are not NULL */
-
-                if(ps_mem_rec[i].pv_base == NULL)
-                {
-
-                    ps_op->s_ivd_init_op_t.u4_error_code |= 1
-                                    << IVD_UNSUPPORTEDPARAM;
-                    ps_op->s_ivd_init_op_t.u4_error_code |=
-                                    IVD_INIT_DEC_MEM_REC_BASE_NULL;
-                    H264_DEC_DEBUG_PRINT("i: %d\n", i);
-                    return IV_FAIL;
-
-                }
-
-            }
-
-            /* verify memtabs for overlapping regions */
-            {
-                void *start[MEM_REC_CNT];
-                void *end[MEM_REC_CNT];
-
-                start[0] = (void *)(ps_mem_rec[0].pv_base);
-                end[0] = (void *)((UWORD8 *)ps_mem_rec[0].pv_base
-                                + ps_mem_rec[0].u4_mem_size - 1);
-                for(i = 1; i < MEM_REC_CNT; i++)
-                {
-                    /* This array is populated to check memtab overlapp */
-                    start[i] = (void *)(ps_mem_rec[i].pv_base);
-                    end[i] = (void *)((UWORD8 *)ps_mem_rec[i].pv_base
-                                    + ps_mem_rec[i].u4_mem_size - 1);
-
-                    for(j = 0; j < i; j++)
-                    {
-                        if((start[i] >= start[j]) && (start[i] <= end[j]))
-                        {
-                            ps_op->s_ivd_init_op_t.u4_error_code |= 1
-                                            << IVD_UNSUPPORTEDPARAM;
-                            ps_op->s_ivd_init_op_t.u4_error_code |=
-                                            IVD_INIT_DEC_MEM_REC_OVERLAP_ERR;
-                            H264_DEC_DEBUG_PRINT("i: %d, j: %d\n", i, j);
-                            return IV_FAIL;
-                        }
-
-                        if((end[i] >= start[j]) && (end[i] <= end[j]))
-                        {
-                            ps_op->s_ivd_init_op_t.u4_error_code |= 1
-                                            << IVD_UNSUPPORTEDPARAM;
-                            ps_op->s_ivd_init_op_t.u4_error_code |=
-                                            IVD_INIT_DEC_MEM_REC_OVERLAP_ERR;
-                            H264_DEC_DEBUG_PRINT("i: %d, j: %d\n", i, j);
-                            return IV_FAIL;
-                        }
-
-                        if((start[i] < start[j]) && (end[i] > end[j]))
-                        {
-                            ps_op->s_ivd_init_op_t.u4_error_code |= 1
-                                            << IVD_UNSUPPORTEDPARAM;
-                            ps_op->s_ivd_init_op_t.u4_error_code |=
-                                            IVD_INIT_DEC_MEM_REC_OVERLAP_ERR;
-                            H264_DEC_DEBUG_PRINT("i: %d, j: %d\n", i, j);
-                            return IV_FAIL;
-                        }
-                    }
-
-                }
-            }
-
-            {
-                iv_mem_rec_t mem_rec_ittiam_api[MEM_REC_CNT];
-                ih264d_fill_mem_rec_ip_t s_fill_mem_rec_ip;
-                ih264d_fill_mem_rec_op_t s_fill_mem_rec_op;
-                IV_API_CALL_STATUS_T e_status;
-
-                UWORD32 i;
-                s_fill_mem_rec_ip.s_ivd_fill_mem_rec_ip_t.e_cmd =
-                                IV_CMD_FILL_NUM_MEM_REC;
-                s_fill_mem_rec_ip.s_ivd_fill_mem_rec_ip_t.pv_mem_rec_location =
-                                mem_rec_ittiam_api;
-                s_fill_mem_rec_ip.s_ivd_fill_mem_rec_ip_t.u4_max_frm_wd =
-                                max_wd;
-                s_fill_mem_rec_ip.s_ivd_fill_mem_rec_ip_t.u4_max_frm_ht =
-                                max_ht;
-
-                if(ps_ip->s_ivd_init_ip_t.u4_size
-                                > offsetof(ih264d_init_ip_t, i4_level))
-                {
-                    s_fill_mem_rec_ip.i4_level = ps_ip->i4_level;
-                }
-                else
-                {
-                    s_fill_mem_rec_ip.i4_level = H264_LEVEL_3_1;
-                }
-
-                if(ps_ip->s_ivd_init_ip_t.u4_size
-                                > offsetof(ih264d_init_ip_t, u4_num_ref_frames))
-                {
-                    s_fill_mem_rec_ip.u4_num_ref_frames =
-                                    ps_ip->u4_num_ref_frames;
-                }
-                else
-                {
-                    s_fill_mem_rec_ip.u4_num_ref_frames =
-                                    (H264_MAX_REF_PICS + 1);
-                }
-
-                if(ps_ip->s_ivd_init_ip_t.u4_size
-                                > offsetof(ih264d_init_ip_t,
-                                           u4_num_reorder_frames))
-                {
-                    s_fill_mem_rec_ip.u4_num_reorder_frames =
-                                    ps_ip->u4_num_reorder_frames;
-                }
-                else
-                {
-                    s_fill_mem_rec_ip.u4_num_reorder_frames = (H264_MAX_REF_PICS
-                                    + 1);
-                }
-
-                if(ps_ip->s_ivd_init_ip_t.u4_size
-                                > offsetof(ih264d_init_ip_t,
-                                           u4_num_extra_disp_buf))
-                {
-                    s_fill_mem_rec_ip.u4_num_extra_disp_buf =
-                                    ps_ip->u4_num_extra_disp_buf;
-                }
-                else
-                {
-                    s_fill_mem_rec_ip.u4_num_extra_disp_buf = 0;
-                }
-
-                if(ps_ip->s_ivd_init_ip_t.u4_size
-                                > offsetof(ih264d_init_ip_t, u4_share_disp_buf))
-                {
-#ifndef LOGO_EN
-                    s_fill_mem_rec_ip.u4_share_disp_buf =
-                                    ps_ip->u4_share_disp_buf;
-#else
-                    s_fill_mem_rec_ip.u4_share_disp_buf = 0;
-#endif
-                }
-                else
-                {
-                    s_fill_mem_rec_ip.u4_share_disp_buf = 0;
-                }
-
-                s_fill_mem_rec_ip.e_output_format =
-                                ps_ip->s_ivd_init_ip_t.e_output_format;
-
-                if((s_fill_mem_rec_ip.e_output_format != IV_YUV_420P)
-                                && (s_fill_mem_rec_ip.e_output_format
-                                                != IV_YUV_420SP_UV)
-                                && (s_fill_mem_rec_ip.e_output_format
-                                                != IV_YUV_420SP_VU))
-                {
-                    s_fill_mem_rec_ip.u4_share_disp_buf = 0;
-                }
-
-                s_fill_mem_rec_ip.s_ivd_fill_mem_rec_ip_t.u4_size =
-                                sizeof(ih264d_fill_mem_rec_ip_t);
-                s_fill_mem_rec_op.s_ivd_fill_mem_rec_op_t.u4_size =
-                                sizeof(ih264d_fill_mem_rec_op_t);
-
-                for(i = 0; i < MEM_REC_CNT; i++)
-                    mem_rec_ittiam_api[i].u4_size = sizeof(iv_mem_rec_t);
-
-                e_status = ih264d_api_function(NULL,
-                                                    (void *)&s_fill_mem_rec_ip,
-                                                    (void *)&s_fill_mem_rec_op);
-                if(IV_FAIL == e_status)
-                {
-                    ps_op->s_ivd_init_op_t.u4_error_code =
-                                    s_fill_mem_rec_op.s_ivd_fill_mem_rec_op_t.u4_error_code;
-                    H264_DEC_DEBUG_PRINT("Fail\n");
-                    return (IV_FAIL);
-                }
-
-                for(i = 0; i < MEM_REC_CNT; i++)
-                {
-                    if(ps_mem_rec[i].u4_mem_size
-                                    < mem_rec_ittiam_api[i].u4_mem_size)
-                    {
-                        ps_op->s_ivd_init_op_t.u4_error_code |= 1
-                                        << IVD_UNSUPPORTEDPARAM;
-                        ps_op->s_ivd_init_op_t.u4_error_code |=
-                                        IVD_INIT_DEC_MEM_REC_INSUFFICIENT_SIZE;
-                        H264_DEC_DEBUG_PRINT("i: %d \n", i);
-                        return IV_FAIL;
-                    }
-                    if(ps_mem_rec[i].u4_mem_alignment
-                                    != mem_rec_ittiam_api[i].u4_mem_alignment)
-                    {
-                        ps_op->s_ivd_init_op_t.u4_error_code |= 1
-                                        << IVD_UNSUPPORTEDPARAM;
-                        ps_op->s_ivd_init_op_t.u4_error_code |=
-                                        IVD_INIT_DEC_MEM_REC_ALIGNMENT_ERR;
-                        H264_DEC_DEBUG_PRINT("i: %d \n", i);
-                        return IV_FAIL;
-                    }
-                    if(ps_mem_rec[i].e_mem_type
-                                    != mem_rec_ittiam_api[i].e_mem_type)
-                    {
-                        UWORD32 check = IV_SUCCESS;
-                        UWORD32 diff = mem_rec_ittiam_api[i].e_mem_type
-                                        - ps_mem_rec[i].e_mem_type;
-
-                        if((ps_mem_rec[i].e_mem_type
-                                        <= IV_EXTERNAL_CACHEABLE_SCRATCH_MEM)
-                                        && (mem_rec_ittiam_api[i].e_mem_type
-                                                        >= IV_INTERNAL_NONCACHEABLE_PERSISTENT_MEM))
-                        {
-                            check = IV_FAIL;
-                        }
-                        if(3 != MOD(mem_rec_ittiam_api[i].e_mem_type, 4))
-                        {
-                            /*
-                             * It is not IV_EXTERNAL_NONCACHEABLE_PERSISTENT_MEM or IV_EXTERNAL_CACHEABLE_PERSISTENT_MEM
-                             */
-                            if((diff < 1) || (diff > 3))
-                            {
-                                // Difference between 1 and 3 is okay for all cases other than the two filtered
-                                // with the MOD condition above
-                                check = IV_FAIL;
-                            }
-                        }
-                        else
-                        {
-                            if(diff == 1)
-                            {
-                                /*
-                                 * This particular case is when codec asked for External Persistent, but got
-                                 * Internal Scratch.
-                                 */
-                                check = IV_FAIL;
-                            }
-                            if((diff != 2) && (diff != 3))
-                            {
-                                check = IV_FAIL;
-                            }
-                        }
-                        if(check == IV_FAIL)
-                        {
-                            ps_op->s_ivd_init_op_t.u4_error_code |= 1
-                                            << IVD_UNSUPPORTEDPARAM;
-                            ps_op->s_ivd_init_op_t.u4_error_code |=
-                                            IVD_INIT_DEC_MEM_REC_INCORRECT_TYPE;
-                            H264_DEC_DEBUG_PRINT("i: %d \n", i);
-                            return IV_FAIL;
-                        }
-                    }
-                }
-            }
-
         }
             break;
 
@@ -955,49 +457,35 @@ static IV_API_CALL_STATUS_T api_check_struct_sanity(iv_obj_t *ps_handle,
         }
             break;
 
-        case IV_CMD_RETRIEVE_MEMREC:
+        case IVD_CMD_DELETE:
         {
-            ih264d_retrieve_mem_rec_ip_t *ps_ip =
-                            (ih264d_retrieve_mem_rec_ip_t *)pv_api_ip;
-            ih264d_retrieve_mem_rec_op_t *ps_op =
-                            (ih264d_retrieve_mem_rec_op_t *)pv_api_op;
-            iv_mem_rec_t *ps_mem_rec;
+            ih264d_delete_ip_t *ps_ip =
+                            (ih264d_delete_ip_t *)pv_api_ip;
+            ih264d_delete_op_t *ps_op =
+                            (ih264d_delete_op_t *)pv_api_op;
 
-            ps_op->s_ivd_retrieve_mem_rec_op_t.u4_error_code = 0;
+            ps_op->s_ivd_delete_op_t.u4_error_code = 0;
 
-            if(ps_ip->s_ivd_retrieve_mem_rec_ip_t.u4_size
-                            != sizeof(ih264d_retrieve_mem_rec_ip_t))
+            if(ps_ip->s_ivd_delete_ip_t.u4_size
+                            != sizeof(ih264d_delete_ip_t))
             {
-                ps_op->s_ivd_retrieve_mem_rec_op_t.u4_error_code |= 1
+                ps_op->s_ivd_delete_op_t.u4_error_code |= 1
                                 << IVD_UNSUPPORTEDPARAM;
-                ps_op->s_ivd_retrieve_mem_rec_op_t.u4_error_code |=
+                ps_op->s_ivd_delete_op_t.u4_error_code |=
                                 IVD_IP_API_STRUCT_SIZE_INCORRECT;
                 return (IV_FAIL);
             }
 
-            if(ps_op->s_ivd_retrieve_mem_rec_op_t.u4_size
-                            != sizeof(ih264d_retrieve_mem_rec_op_t))
+            if(ps_op->s_ivd_delete_op_t.u4_size
+                            != sizeof(ih264d_delete_op_t))
             {
-                ps_op->s_ivd_retrieve_mem_rec_op_t.u4_error_code |= 1
+                ps_op->s_ivd_delete_op_t.u4_error_code |= 1
                                 << IVD_UNSUPPORTEDPARAM;
-                ps_op->s_ivd_retrieve_mem_rec_op_t.u4_error_code |=
+                ps_op->s_ivd_delete_op_t.u4_error_code |=
                                 IVD_OP_API_STRUCT_SIZE_INCORRECT;
                 return (IV_FAIL);
             }
 
-            ps_mem_rec = ps_ip->s_ivd_retrieve_mem_rec_ip_t.pv_mem_rec_location;
-            /* check memrecords sizes are correct */
-            for(i = 0; i < MEM_REC_CNT; i++)
-            {
-                if(ps_mem_rec[i].u4_size != sizeof(iv_mem_rec_t))
-                {
-                    ps_op->s_ivd_retrieve_mem_rec_op_t.u4_error_code |= 1
-                                    << IVD_UNSUPPORTEDPARAM;
-                    ps_op->s_ivd_retrieve_mem_rec_op_t.u4_error_code |=
-                                    IVD_MEM_REC_STRUCT_SIZE_INCORRECT;
-                    return IV_FAIL;
-                }
-            }
         }
             break;
 
@@ -1365,38 +853,6 @@ WORD32 ih264d_set_processor(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
     ps_op->u4_error_code = 0;
     return IV_SUCCESS;
 }
-/*****************************************************************************/
-/*                                                                           */
-/*  Function Name :  ih264d_get_num_rec                                      */
-/*                                                                           */
-/*  Description   : returns number of mem records required                   */
-/*                                                                           */
-/*  Inputs        : pv_api_ip input api structure                            */
-/*                : pv_api_op output api structure                           */
-/*  Outputs       :                                                          */
-/*  Outputs       :                                                          */
-/*  Returns       : void                                                     */
-/*                                                                           */
-/*  Issues        : none                                                     */
-/*                                                                           */
-/*  Revision History:                                                        */
-/*                                                                           */
-/*         DD MM YYYY   Author(s)       Changes (Describe the changes made)  */
-/*         22 10 2008    100356         Draft                                */
-/*                                                                           */
-/*****************************************************************************/
-WORD32 ih264d_get_num_rec(void *pv_api_ip, void *pv_api_op)
-{
-    iv_num_mem_rec_ip_t *ps_mem_q_ip;
-    iv_num_mem_rec_op_t *ps_mem_q_op;
-    ps_mem_q_ip = (iv_num_mem_rec_ip_t *)pv_api_ip;
-    ps_mem_q_op = (iv_num_mem_rec_op_t *)pv_api_op;
-    UNUSED(ps_mem_q_ip);
-    ps_mem_q_op->u4_num_mem_rec = MEM_REC_CNT;
-
-    return IV_SUCCESS;
-
-}
 
 
 /**************************************************************************
@@ -1427,11 +883,8 @@ void ih264d_init_decoder(void * ps_dec_params)
     dec_slice_params_t *ps_cur_slice;
     pocstruct_t *ps_prev_poc, *ps_cur_poc;
 
-
-
-    /* Set pic_parameter_set_id to -1 */
-
-
+    /* Free any dynamic buffers that are allocated */
+    ih264d_free_dynamic_bufs(ps_dec);
 
     ps_cur_slice = ps_dec->ps_cur_slice;
     ps_dec->init_done = 0;
@@ -1579,12 +1032,6 @@ void ih264d_init_decoder(void * ps_dec_params)
     /* Initialize Reference Pic Buffers */
     ih264d_init_ref_bufs(ps_dec->ps_dpb_mgr);
 
-#if VERT_SCALE_UP_AND_422
-    ps_dec->u1_vert_up_scale_flag = 1;
-#else
-    ps_dec->u1_vert_up_scale_flag = 0;
-#endif
-
     ps_dec->u2_prv_frame_num = 0;
     ps_dec->u1_top_bottom_decoded = 0;
     ps_dec->u1_dangling_field = 0;
@@ -1615,214 +1062,66 @@ void ih264d_init_decoder(void * ps_dec_params)
 
     ih264d_init_arch(ps_dec);
     ih264d_init_function_ptr(ps_dec);
-
+    ps_dec->e_frm_out_mode = IVD_DISPLAY_FRAME_OUT;
     ps_dec->init_done = 1;
-    ps_dec->process_called = 1;
 
-    ps_dec->pv_pic_buf_mgr = NULL;
-    ps_dec->pv_mv_buf_mgr = NULL;
 }
-
-/**************************************************************************
- * \if Function name : ih264d_init_video_decoder \endif
- *
- * \brief
- *    Wrapper for the decoder init
- *
- * \param p_NALBufAPI: Pointer to NAL Buffer API.
- * \param ih264d_dec_mem_manager  :Pointer to the function that will be called by decoder
- *                        for memory allocation and freeing.
- *
- * \return
- *    pointer to the decparams
- *
- **************************************************************************
- */
-
-WORD32 ih264d_init_video_decoder(iv_obj_t *dec_hdl,
-                                 ih264d_init_ip_t *ps_init_ip,
-                                 ih264d_init_op_t *ps_init_op)
+WORD32 ih264d_free_static_bufs(iv_obj_t *dec_hdl)
 {
-    dec_struct_t * ps_dec;
-    iv_mem_rec_t *memtab;
-    UWORD8 *pu1_extra_mem_base,*pu1_mem_base;
-
-    memtab = ps_init_ip->s_ivd_init_ip_t.pv_mem_rec_location;
-
-    dec_hdl->pv_codec_handle = memtab[MEM_REC_CODEC].pv_base;
-    ps_dec = dec_hdl->pv_codec_handle;
-
-    memset(ps_dec, 0, sizeof(dec_struct_t));
-
-    if(ps_init_ip->s_ivd_init_ip_t.u4_size
-                    > offsetof(ih264d_init_ip_t, i4_level))
-    {
-        ps_dec->u4_level_at_init = ps_init_ip->i4_level;
-    }
-    else
-    {
-        ps_dec->u4_level_at_init = H264_LEVEL_3_1;
-    }
-
-    if(ps_init_ip->s_ivd_init_ip_t.u4_size
-                    > offsetof(ih264d_init_ip_t, u4_num_ref_frames))
-    {
-        ps_dec->u4_num_ref_frames_at_init = ps_init_ip->u4_num_ref_frames;
-    }
-    else
-    {
-        ps_dec->u4_num_ref_frames_at_init = H264_MAX_REF_PICS;
-    }
-
-    if(ps_init_ip->s_ivd_init_ip_t.u4_size
-                    > offsetof(ih264d_init_ip_t, u4_num_reorder_frames))
-    {
-        ps_dec->u4_num_reorder_frames_at_init =
-                        ps_init_ip->u4_num_reorder_frames;
-    }
-    else
-    {
-        ps_dec->u4_num_reorder_frames_at_init = H264_MAX_REF_PICS;
-    }
-
-    if(ps_init_ip->s_ivd_init_ip_t.u4_size
-                    > offsetof(ih264d_init_ip_t, u4_num_extra_disp_buf))
-    {
-        ps_dec->u4_num_extra_disp_bufs_at_init =
-                        ps_init_ip->u4_num_extra_disp_buf;
-    }
-    else
-    {
-        ps_dec->u4_num_extra_disp_bufs_at_init = 0;
-    }
-
-    if(ps_init_ip->s_ivd_init_ip_t.u4_size
-                    > offsetof(ih264d_init_ip_t, u4_share_disp_buf))
-    {
-#ifndef LOGO_EN
-        ps_dec->u4_share_disp_buf = ps_init_ip->u4_share_disp_buf;
-#else
-        ps_dec->u4_share_disp_buf = 0;
-#endif
-    }
-    else
-    {
-        ps_dec->u4_share_disp_buf = 0;
-    }
-
-    if((ps_init_ip->s_ivd_init_ip_t.e_output_format != IV_YUV_420P)
-                    && (ps_init_ip->s_ivd_init_ip_t.e_output_format
-                                    != IV_YUV_420SP_UV)
-                    && (ps_init_ip->s_ivd_init_ip_t.e_output_format
-                                    != IV_YUV_420SP_VU))
-    {
-        ps_dec->u4_share_disp_buf = 0;
-    }
-
-    if((ps_dec->u4_level_at_init < MIN_LEVEL_SUPPORTED)
-                    || (ps_dec->u4_level_at_init > MAX_LEVEL_SUPPORTED))
-    {
-        ps_init_op->s_ivd_init_op_t.u4_error_code |= ERROR_LEVEL_UNSUPPORTED;
-        return (IV_FAIL);
-    }
-
-    if(ps_dec->u4_num_ref_frames_at_init > H264_MAX_REF_PICS)
-    {
-        ps_init_op->s_ivd_init_op_t.u4_error_code |= ERROR_NUM_REF;
-        ps_dec->u4_num_ref_frames_at_init = H264_MAX_REF_PICS;
-    }
-
-    if(ps_dec->u4_num_reorder_frames_at_init > H264_MAX_REF_PICS)
-    {
-        ps_init_op->s_ivd_init_op_t.u4_error_code |= ERROR_NUM_REF;
-        ps_dec->u4_num_reorder_frames_at_init = H264_MAX_REF_PICS;
+    dec_struct_t *ps_dec;
+
+    void (*pf_aligned_free)(void *pv_mem_ctxt, void *pv_buf);
+    void *pv_mem_ctxt;
+
+    ps_dec = (dec_struct_t *)dec_hdl->pv_codec_handle;
+    pf_aligned_free = ps_dec->pf_aligned_free;
+    pv_mem_ctxt = ps_dec->pv_mem_ctxt;
+
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_sps);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_pps);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pv_dec_thread_handle);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pv_bs_deblk_thread_handle);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_dpb_mgr);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_pred);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pv_disp_buf_mgr);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pv_pic_buf_mgr);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_pic_buf_base);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_dec_err_status);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_sei);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_dpb_cmds);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_bitstrm);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_cur_slice);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pv_scratch_sps_pps);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_bits_buf_static);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ppv_map_ref_idx_to_poc_base);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->p_cabac_ctxt_table_t);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_left_mb_ctxt_info);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_ref_buff_base);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pi2_pred1);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_temp_mc_buffer);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_init_dpb_base);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu4_mbaff_wt_mat);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu4_wts_ofsts_mat);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_left_mvpred_addr);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pv_mv_buf_mgr);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_col_mv_base);
+    PS_DEC_ALIGNED_FREE(ps_dec, dec_hdl->pv_codec_handle);
+
+    if(dec_hdl)
+    {
+        pf_aligned_free(pv_mem_ctxt, dec_hdl);
     }
-
-    if(ps_dec->u4_num_extra_disp_bufs_at_init > H264_MAX_REF_PICS)
-    {
-        ps_init_op->s_ivd_init_op_t.u4_error_code |= ERROR_NUM_REF;
-        ps_dec->u4_num_extra_disp_bufs_at_init = 0;
-    }
-
-    if(0 == ps_dec->u4_share_disp_buf)
-        ps_dec->u4_num_extra_disp_bufs_at_init = 0;
-
-    ps_dec->u4_num_disp_bufs_requested = 1;
-
-    ps_dec->u4_width_at_init = ps_init_ip->s_ivd_init_ip_t.u4_frm_max_wd;
-    ps_dec->u4_height_at_init = ps_init_ip->s_ivd_init_ip_t.u4_frm_max_ht;
-
-    ps_dec->u4_width_at_init = ALIGN16(ps_dec->u4_width_at_init);
-    ps_dec->u4_height_at_init = ALIGN32(ps_dec->u4_height_at_init);
-
-    ps_dec->pv_dec_thread_handle = memtab[MEM_REC_THREAD_HANDLE].pv_base;
-
-    pu1_mem_base = memtab[MEM_REC_THREAD_HANDLE].pv_base;
-    ps_dec->pv_bs_deblk_thread_handle = pu1_mem_base
-                    + ithread_get_handle_size();
-
-    ps_dec->u4_extra_mem_used = 0;
-
-    pu1_extra_mem_base = memtab[MEM_REC_EXTRA_MEM].pv_base;
-
-    ps_dec->ps_dec_err_status = (dec_err_status_t *)(pu1_extra_mem_base + ps_dec->u4_extra_mem_used);
-    ps_dec->u4_extra_mem_used += (((sizeof(dec_err_status_t) + 127) >> 7) << 7);
-
-    ps_dec->ps_mem_tab = memtab[MEM_REC_BACKUP].pv_base;
-
-    memcpy(ps_dec->ps_mem_tab, memtab, sizeof(iv_mem_rec_t) * MEM_REC_CNT);
-
-    ps_dec->ps_pps = memtab[MEM_REC_PPS].pv_base;
-
-    ps_dec->ps_sps = memtab[MEM_REC_SPS].pv_base;
-
-    ps_dec->ps_sei = (sei *)(pu1_extra_mem_base + ps_dec->u4_extra_mem_used);
-    ps_dec->u4_extra_mem_used += sizeof(sei);
-
-    ps_dec->ps_dpb_mgr = memtab[MEM_REC_DPB_MGR].pv_base;
-
-    ps_dec->ps_dpb_cmds = (dpb_commands_t *)(pu1_extra_mem_base + ps_dec->u4_extra_mem_used);
-    ps_dec->u4_extra_mem_used += sizeof(dpb_commands_t);
-
-    ps_dec->ps_bitstrm = (dec_bit_stream_t *)(pu1_extra_mem_base + ps_dec->u4_extra_mem_used);
-    ps_dec->u4_extra_mem_used += sizeof(dec_bit_stream_t);
-
-    ps_dec->ps_cur_slice =(dec_slice_params_t *) (pu1_extra_mem_base + ps_dec->u4_extra_mem_used);
-    ps_dec->u4_extra_mem_used += sizeof(dec_slice_params_t);
-
-    ps_dec->pv_scratch_sps_pps = (void *)(pu1_extra_mem_base + ps_dec->u4_extra_mem_used);
-
-
-    ps_dec->u4_extra_mem_used += MAX(sizeof(dec_seq_params_t),
-                                     sizeof(dec_pic_params_t));
-    ps_dec->ps_pred_pkd = memtab[MEM_REC_PRED_INFO_PKD].pv_base;
-
-
-    ps_dec->ps_dpb_mgr->pv_codec_handle = ps_dec;
-
-    ps_dec->pv_dec_out = (void *)ps_init_op;
-    ps_dec->pv_dec_in = (void *)ps_init_ip;
-
-    ps_dec->u1_chroma_format =
-                    (UWORD8)(ps_init_ip->s_ivd_init_ip_t.e_output_format);
-
-
-
-    ih264d_init_decoder(ps_dec);
-
-    return (IV_SUCCESS);
-
+    return IV_SUCCESS;
 }
-
-
 /*****************************************************************************/
 /*                                                                           */
-/*  Function Name : ih264d_fill_num_mem_rec                                  */
+/*  Function Name : ih264d_create                                              */
 /*                                                                           */
-/*  Description   :  fills memory records                                    */
+/*  Description   : creates decoder                                          */
 /*                                                                           */
-/*  Inputs        : pv_api_ip input api structure                            */
-/*                : pv_api_op output api structure                           */
+/*  Inputs        :iv_obj_t decoder handle                                   */
+/*                :pv_api_ip pointer to input structure                      */
+/*                :pv_api_op pointer to output structure                     */
 /*  Outputs       :                                                          */
 /*  Returns       : void                                                     */
 /*                                                                           */
@@ -1834,531 +1133,270 @@ WORD32 ih264d_init_video_decoder(iv_obj_t *dec_hdl,
 /*         22 10 2008    100356         Draft                                */
 /*                                                                           */
 /*****************************************************************************/
-WORD32 ih264d_fill_num_mem_rec(void *pv_api_ip, void *pv_api_op)
+WORD32 ih264d_allocate_static_bufs(iv_obj_t **dec_hdl, void *pv_api_ip, void *pv_api_op)
 {
+    ih264d_create_ip_t *ps_create_ip;
+    ih264d_create_op_t *ps_create_op;
+    void *pv_buf;
+    UWORD8 *pu1_buf;
+    dec_struct_t *ps_dec;
+    void *(*pf_aligned_alloc)(void *pv_mem_ctxt, WORD32 alignment, WORD32 size);
+    void (*pf_aligned_free)(void *pv_mem_ctxt, void *pv_buf);
+    void *pv_mem_ctxt;
+    WORD32 size;
+
+    ps_create_ip = (ih264d_create_ip_t *)pv_api_ip;
+    ps_create_op = (ih264d_create_op_t *)pv_api_op;
+
+    ps_create_op->s_ivd_create_op_t.u4_error_code = 0;
+
+    pf_aligned_alloc = ps_create_ip->s_ivd_create_ip_t.pf_aligned_alloc;
+    pf_aligned_free = ps_create_ip->s_ivd_create_ip_t.pf_aligned_free;
+    pv_mem_ctxt  = ps_create_ip->s_ivd_create_ip_t.pv_mem_ctxt;
+
+    /* Initialize return handle to NULL */
+    ps_create_op->s_ivd_create_op_t.pv_handle = NULL;
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, sizeof(iv_obj_t));
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    *dec_hdl = (iv_obj_t *)pv_buf;
+    ps_create_op->s_ivd_create_op_t.pv_handle = *dec_hdl;
+
+    (*dec_hdl)->pv_codec_handle = NULL;
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, sizeof(dec_struct_t));
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    (*dec_hdl)->pv_codec_handle = (dec_struct_t *)pv_buf;
+    ps_dec = (dec_struct_t *)pv_buf;
 
-    ih264d_fill_mem_rec_ip_t *ps_mem_q_ip;
-    ih264d_fill_mem_rec_op_t *ps_mem_q_op;
-    WORD32 level;
-    UWORD32 num_reorder_frames;
-    UWORD32 num_ref_frames;
-    UWORD32 num_extra_disp_bufs;
-    UWORD32 u4_dpb_size_num_frames;
-    iv_mem_rec_t *memTab;
-
-    UWORD32 chroma_format, u4_share_disp_buf;
-    UWORD32 u4_total_num_mbs;
-    UWORD32 luma_width, luma_width_in_mbs;
-    UWORD32 luma_height, luma_height_in_mbs;
-    UWORD32 max_dpb_size;
-
-    ps_mem_q_ip = (ih264d_fill_mem_rec_ip_t *)pv_api_ip;
-    ps_mem_q_op = (ih264d_fill_mem_rec_op_t *)pv_api_op;
-
-    if(ps_mem_q_ip->s_ivd_fill_mem_rec_ip_t.u4_size
-                    > offsetof(ih264d_fill_mem_rec_ip_t, i4_level))
-    {
-        level = ps_mem_q_ip->i4_level;
-    }
-    else
-    {
-        level = H264_LEVEL_3_1;
-    }
-
-    if(ps_mem_q_ip->s_ivd_fill_mem_rec_ip_t.u4_size
-                    > offsetof(ih264d_fill_mem_rec_ip_t, u4_num_reorder_frames))
-    {
-        num_reorder_frames = ps_mem_q_ip->u4_num_reorder_frames;
-    }
-    else
-    {
-        num_reorder_frames = H264_MAX_REF_PICS;
-    }
-
-    if(ps_mem_q_ip->s_ivd_fill_mem_rec_ip_t.u4_size
-                    > offsetof(ih264d_fill_mem_rec_ip_t, u4_num_ref_frames))
-    {
-        num_ref_frames = ps_mem_q_ip->u4_num_ref_frames;
-    }
-    else
-    {
-        num_ref_frames = H264_MAX_REF_PICS;
-    }
-
-    if(ps_mem_q_ip->s_ivd_fill_mem_rec_ip_t.u4_size
-                    > offsetof(ih264d_fill_mem_rec_ip_t, u4_num_extra_disp_buf))
-    {
-        num_extra_disp_bufs = ps_mem_q_ip->u4_num_extra_disp_buf;
-    }
-    else
-    {
-        num_extra_disp_bufs = 0;
-    }
+    memset(ps_dec, 0, sizeof(dec_struct_t));
 
-    if(ps_mem_q_ip->s_ivd_fill_mem_rec_ip_t.u4_size
-                    > offsetof(ih264d_fill_mem_rec_ip_t, u4_share_disp_buf))
-    {
 #ifndef LOGO_EN
-        u4_share_disp_buf = ps_mem_q_ip->u4_share_disp_buf;
+    ps_dec->u4_share_disp_buf = ps_create_ip->s_ivd_create_ip_t.u4_share_disp_buf;
 #else
-        u4_share_disp_buf = 0;
+    ps_dec->u4_share_disp_buf = 0;
 #endif
-    }
-    else
-    {
-        u4_share_disp_buf = 0;
-    }
-
-    if(ps_mem_q_ip->s_ivd_fill_mem_rec_ip_t.u4_size
-                    > offsetof(ih264d_fill_mem_rec_ip_t, e_output_format))
-    {
-        chroma_format = ps_mem_q_ip->e_output_format;
-    }
-    else
-    {
-        chroma_format = -1;
-    }
-
-    if((chroma_format != IV_YUV_420P) && (chroma_format != IV_YUV_420SP_UV)
-                    && (chroma_format != IV_YUV_420SP_VU))
-    {
-        u4_share_disp_buf = 0;
-    }
-    if(0 == u4_share_disp_buf)
-        num_extra_disp_bufs = 0;
-
-    {
 
-        luma_height = ps_mem_q_ip->s_ivd_fill_mem_rec_ip_t.u4_max_frm_ht;
-        luma_width = ps_mem_q_ip->s_ivd_fill_mem_rec_ip_t.u4_max_frm_wd;
-
-        luma_height = ALIGN32(luma_height);
-        luma_width = ALIGN16(luma_width);
-        luma_width_in_mbs = luma_width >> 4;
-        luma_height_in_mbs = luma_height >> 4;
-        u4_total_num_mbs = (luma_height * luma_width) >> 8;
-    }
-    /*
-     * If level is lesser than 31 and the resolution required is higher,
-     * then make the level at least 31.
-     */
-    if(u4_total_num_mbs > MAX_MBS_LEVEL_30 && level < H264_LEVEL_3_1)
-    {
-        level = H264_LEVEL_3_1;
-    }
+    ps_dec->u1_chroma_format =
+                    (UWORD8)(ps_create_ip->s_ivd_create_ip_t.e_output_format);
 
-    if((level < MIN_LEVEL_SUPPORTED) || (level > MAX_LEVEL_SUPPORTED))
+    if((ps_dec->u1_chroma_format != IV_YUV_420P)
+                    && (ps_dec->u1_chroma_format
+                                    != IV_YUV_420SP_UV)
+                    && (ps_dec->u1_chroma_format
+                                    != IV_YUV_420SP_VU))
     {
-        ps_mem_q_op->s_ivd_fill_mem_rec_op_t.u4_error_code |=
-                        ERROR_LEVEL_UNSUPPORTED;
-        return (IV_FAIL);
+        ps_dec->u4_share_disp_buf = 0;
     }
 
-    if(num_ref_frames > H264_MAX_REF_PICS)
-    {
-        ps_mem_q_op->s_ivd_fill_mem_rec_op_t.u4_error_code |= ERROR_NUM_REF;
-        num_ref_frames = H264_MAX_REF_PICS;
-    }
+    ps_dec->pf_aligned_alloc = pf_aligned_alloc;
+    ps_dec->pf_aligned_free = pf_aligned_free;
+    ps_dec->pv_mem_ctxt = pv_mem_ctxt;
 
-    if(num_reorder_frames > H264_MAX_REF_PICS)
-    {
-        ps_mem_q_op->s_ivd_fill_mem_rec_op_t.u4_error_code |= ERROR_NUM_REF;
-        num_reorder_frames = H264_MAX_REF_PICS;
-    }
-    memTab = ps_mem_q_ip->s_ivd_fill_mem_rec_ip_t.pv_mem_rec_location;
 
-    memTab[MEM_REC_IV_OBJ].u4_mem_size = sizeof(iv_obj_t);
-    memTab[MEM_REC_IV_OBJ].u4_mem_alignment = (128 * 8) / CHAR_BIT;
-    memTab[MEM_REC_IV_OBJ].e_mem_type = IV_EXTERNAL_CACHEABLE_PERSISTENT_MEM;
-    H264_DEC_DEBUG_PRINT("MEM_REC_IV_OBJ MEM Size = %d\n",
-                         memTab[MEM_REC_IV_OBJ].u4_mem_size);
+    size = ((sizeof(dec_seq_params_t)) * MAX_NUM_SEQ_PARAMS);
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->ps_sps = pv_buf;
 
-    memTab[MEM_REC_CODEC].u4_mem_alignment = (128 * 8) / CHAR_BIT;
-    memTab[MEM_REC_CODEC].e_mem_type = IV_EXTERNAL_CACHEABLE_PERSISTENT_MEM;
-    memTab[MEM_REC_CODEC].u4_mem_size = sizeof(dec_struct_t);
+    size = (sizeof(dec_pic_params_t)) * MAX_NUM_PIC_PARAMS;
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->ps_pps = pv_buf;
 
-    {
-        UWORD32 mvinfo_size, mv_info_size_pad;
-        UWORD32 MVbank, MVbank_pad;
-        UWORD32 Ysize;
-        UWORD32 UVsize;
-        UWORD32 one_frm_size;
+    size = ithread_get_handle_size();
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->pv_dec_thread_handle = pv_buf;
 
-        UWORD32 extra_mem = 0;
+    size = ithread_get_handle_size();
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->pv_bs_deblk_thread_handle = pv_buf;
 
-        UWORD32 pad_len_h, pad_len_v;
+    size = sizeof(dpb_manager_t);
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->ps_dpb_mgr = pv_buf;
 
-        /*
-         * For low_delay, use num_buf as 2 -
-         *      num_buf = (num_buf_ref) + 1;
-         * where num_buf_ref is 1.
-         */
-        UWORD32 num_buf;
+    size = sizeof(pred_info_t) * 2 * 32;
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->ps_pred = pv_buf;
 
-        {
-            UWORD32 num_bufs_app, num_bufs_level;
+    size = sizeof(disp_mgr_t);
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->pv_disp_buf_mgr = pv_buf;
 
-            num_bufs_app = num_ref_frames + num_reorder_frames + 1;
+    size = sizeof(buf_mgr_t) + ithread_get_mutex_lock_size();
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->pv_pic_buf_mgr = pv_buf;
 
-            if(num_bufs_app <= 1)
-                num_bufs_app = 2;
+    size = sizeof(struct pic_buffer_t) * (H264_MAX_REF_PICS * 2);
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->ps_pic_buf_base = pv_buf;
 
-            num_bufs_level = ih264d_get_dpb_size_new(level, (luma_width >> 4),
-                                                     (luma_height >> 4));
+    size = sizeof(dec_err_status_t);
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->ps_dec_err_status = (dec_err_status_t *)pv_buf;
 
-            max_dpb_size = num_bufs_level;
+    size = sizeof(sei);
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->ps_sei = (sei *)pv_buf;
 
-            num_bufs_level = num_bufs_level * 2 + 1;
+    size = sizeof(dpb_commands_t);
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->ps_dpb_cmds = (dpb_commands_t *)pv_buf;
 
-            num_buf = MIN(num_bufs_level, num_bufs_app);
+    size = sizeof(dec_bit_stream_t);
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->ps_bitstrm = (dec_bit_stream_t *)pv_buf;
 
-            num_buf += num_extra_disp_bufs;
+    size = sizeof(dec_slice_params_t);
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->ps_cur_slice = (dec_slice_params_t *)pv_buf;
 
-        }
+    size = MAX(sizeof(dec_seq_params_t), sizeof(dec_pic_params_t));
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->pv_scratch_sps_pps = pv_buf;
 
-        mvinfo_size = ((luma_width * (luma_height)) >> 4);
 
-        mv_info_size_pad = ((luma_width * (PAD_MV_BANK_ROW)) >> 4);
+    ps_dec->u4_static_bits_buf_size = 256000;
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, ps_dec->u4_static_bits_buf_size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->pu1_bits_buf_static = pv_buf;
 
-        Ysize = ALIGN32((luma_width + (PAD_LEN_Y_H << 1)))
-                        * (luma_height + (PAD_LEN_Y_V << 2));
 
+    size = ((TOTAL_LIST_ENTRIES + PAD_MAP_IDX_POC)
+                        * sizeof(void *));
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->ppv_map_ref_idx_to_poc_base = pv_buf;
+    memset(ps_dec->ppv_map_ref_idx_to_poc_base, 0, size);
 
-        UVsize = Ysize >> 2;
-        if(u4_share_disp_buf == 1)
-        {
-            /* In case of buffers getting shared between application and library
-             there is no need of reference memtabs. Instead of setting the i4_size
-             to zero, it is reduced to a small i4_size to ensure that changes
-             in the code are minimal */
-
-            if((chroma_format == IV_YUV_420P)
-                            || (chroma_format == IV_YUV_420SP_UV)
-                            || (chroma_format == IV_YUV_420SP_VU))
-            {
-                Ysize = 64;
-            }
-            if(chroma_format == IV_YUV_420SP_UV)
-            {
-                UVsize = 64;
-            }
-        }
+    ps_dec->ppv_map_ref_idx_to_poc = ps_dec->ppv_map_ref_idx_to_poc_base + OFFSET_MAP_IDX_POC;
 
-        one_frm_size = (((Ysize + 127) >> 7) << 7)
-                        + ((((UVsize << 1) + 127) >> 7) << 7);
 
-        //Note that for ARM RVDS WS the sizeof(mv_pred_t) is 16
+    size = (sizeof(bin_ctxt_model_t) * NUM_CABAC_CTXTS);
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->p_cabac_ctxt_table_t = pv_buf;
 
-        /*Add memory for colocated MB*/
-        MVbank = sizeof(mv_pred_t) * mvinfo_size;
-        MVbank_pad = sizeof(mv_pred_t) * mv_info_size_pad;
 
-        MVbank = (((MVbank + 127) >> 7) << 7);
 
-        MVbank_pad = (((MVbank_pad + 127) >> 7) << 7);
+    size = sizeof(ctxt_inc_mb_info_t);
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->ps_left_mb_ctxt_info = pv_buf;
 
-        memTab[MEM_REC_MVBANK].u4_mem_alignment = (128 * 8) / CHAR_BIT;
-        memTab[MEM_REC_MVBANK].e_mem_type =
-                        IV_EXTERNAL_CACHEABLE_PERSISTENT_MEM;
-        memTab[MEM_REC_MVBANK].u4_mem_size = (MVbank + MVbank_pad)
-                        * (MIN(max_dpb_size, num_ref_frames) + 1);
 
 
-        memTab[MEM_REC_REF_PIC].u4_mem_alignment = (128 * 8) / CHAR_BIT;
-        memTab[MEM_REC_REF_PIC].e_mem_type =
-                        IV_EXTERNAL_CACHEABLE_PERSISTENT_MEM;
-        memTab[MEM_REC_REF_PIC].u4_mem_size = one_frm_size * num_buf;
+    size = MAX_REF_BUF_SIZE * 2;
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->pu1_ref_buff_base = pv_buf;
+    ps_dec->pu1_ref_buff = ps_dec->pu1_ref_buff_base + MAX_REF_BUF_SIZE;
 
-    }
 
-    memTab[MEM_REC_DEBLK_MB_INFO].u4_mem_alignment = (128 * 8) / CHAR_BIT;
-    memTab[MEM_REC_DEBLK_MB_INFO].e_mem_type =
-                    IV_EXTERNAL_CACHEABLE_PERSISTENT_MEM;
-    memTab[MEM_REC_DEBLK_MB_INFO].u4_mem_size = (((((u4_total_num_mbs
-                    + (luma_width >> 4)) * sizeof(deblk_mb_t)) + 127) >> 7) << 7);
-
-    memTab[MEM_REC_NEIGHBOR_INFO].u4_mem_alignment = (128 * 8) / CHAR_BIT;
-    memTab[MEM_REC_NEIGHBOR_INFO].e_mem_type =
-                    IV_EXTERNAL_CACHEABLE_PERSISTENT_MEM;
-    memTab[MEM_REC_NEIGHBOR_INFO].u4_mem_size = sizeof(mb_neigbour_params_t)
-                    * ((luma_width + 16) >> 4) * 2 * 2;
-    {
-        WORD32 size;
-        WORD32 num_entries;
-
-        num_entries = MIN(MAX_FRAMES, num_ref_frames);
-        num_entries = 2 * ((2 * num_entries) + 1);
-
-        size = num_entries * sizeof(void *);
-        size += PAD_MAP_IDX_POC * sizeof(void *);
-        size *= u4_total_num_mbs;
-        size += sizeof(dec_slice_struct_t) * u4_total_num_mbs;
-        memTab[MEM_REC_SLICE_HDR].u4_mem_alignment = (128 * 8) / CHAR_BIT;
-        memTab[MEM_REC_SLICE_HDR].e_mem_type = IV_EXTERNAL_CACHEABLE_PERSISTENT_MEM;
-        memTab[MEM_REC_SLICE_HDR].u4_mem_size = size;
-    }
-    {
-
-        UWORD32 u4_num_entries;
-
-        u4_num_entries = u4_total_num_mbs;
-
-        memTab[MEM_REC_MB_INFO].u4_mem_alignment = (128 * 8) / CHAR_BIT;
-        memTab[MEM_REC_MB_INFO].e_mem_type =
-                        IV_EXTERNAL_CACHEABLE_PERSISTENT_MEM;
-        memTab[MEM_REC_MB_INFO].u4_mem_size = sizeof(dec_mb_info_t)
-                        * u4_num_entries;
-
-        memTab[MEM_REC_PRED_INFO].u4_mem_alignment = (128 * 8) / CHAR_BIT;
-        memTab[MEM_REC_PRED_INFO].e_mem_type =
-                        IV_EXTERNAL_CACHEABLE_PERSISTENT_MEM;
-
-        memTab[MEM_REC_PRED_INFO].u4_mem_size = sizeof(pred_info_t) * 2*32;
-
-        memTab[MEM_REC_COEFF_DATA].u4_mem_alignment = (128 * 8) / CHAR_BIT;
-        memTab[MEM_REC_COEFF_DATA].e_mem_type =
-                        IV_EXTERNAL_CACHEABLE_PERSISTENT_MEM;
-        memTab[MEM_REC_COEFF_DATA].u4_mem_size = MB_LUM_SIZE * sizeof(WORD16);
-        /*For I16x16 MBs, 16 4x4 AC coeffs and 1 4x4 DC coeff TU blocks will be sent
-        For all MBs along with 8 4x4 AC coeffs 2 2x2 DC coeff TU blocks will be sent
-        So use 17 4x4 TU blocks for luma and 9 4x4 TU blocks for chroma */
-        memTab[MEM_REC_COEFF_DATA].u4_mem_size += u4_num_entries
-                        * (MAX(17 * sizeof(tu_sblk4x4_coeff_data_t),4 * sizeof(tu_blk8x8_coeff_data_t))
-                                        + 9 * sizeof(tu_sblk4x4_coeff_data_t));
-        //32 bytes for each mb to store u1_prev_intra4x4_pred_mode and u1_rem_intra4x4_pred_mode data
-        memTab[MEM_REC_COEFF_DATA].u4_mem_size += u4_num_entries * 32;
-
-    }
-
-    memTab[MEM_REC_SPS].u4_mem_alignment = (128 * 8) / CHAR_BIT;
-    memTab[MEM_REC_SPS].e_mem_type = IV_EXTERNAL_CACHEABLE_PERSISTENT_MEM;
-    memTab[MEM_REC_SPS].u4_mem_size = ((sizeof(dec_seq_params_t))
-                    * MAX_NUM_SEQ_PARAMS);
-
-    memTab[MEM_REC_PPS].u4_mem_alignment = (128 * 8) / CHAR_BIT;
-    memTab[MEM_REC_PPS].e_mem_type = IV_EXTERNAL_CACHEABLE_PERSISTENT_MEM;
-    memTab[MEM_REC_PPS].u4_mem_size = (sizeof(dec_pic_params_t))
-                    * MAX_NUM_PIC_PARAMS;
-
-    {
-        UWORD32 u4_mem_size;
-
-        u4_mem_size = 0;
-        u4_mem_size += (((sizeof(dec_err_status_t) + 127) >> 7) << 7);
-        u4_mem_size += sizeof(sei);
-        u4_mem_size += sizeof(dpb_commands_t);
-        u4_mem_size += sizeof(dec_bit_stream_t);
-        u4_mem_size += sizeof(dec_slice_params_t);
-        u4_mem_size += MAX(sizeof(dec_seq_params_t), sizeof(dec_pic_params_t));
-
-        memTab[MEM_REC_EXTRA_MEM].u4_mem_alignment = (128 * 8) / CHAR_BIT;
-        memTab[MEM_REC_EXTRA_MEM].e_mem_type =
-                        IV_EXTERNAL_CACHEABLE_PERSISTENT_MEM;
-        memTab[MEM_REC_EXTRA_MEM].u4_mem_size = u4_mem_size;
-    }
-
-    {
-
-        UWORD32 u4_mem_size;
-
-        u4_mem_size = 0;
-        u4_mem_size += ((TOTAL_LIST_ENTRIES + PAD_MAP_IDX_POC) * sizeof(void *));
-        u4_mem_size = ALIGN64(u4_mem_size);
-        u4_mem_size += (sizeof(bin_ctxt_model_t) * NUM_CABAC_CTXTS);
-        u4_mem_size = ALIGN64(u4_mem_size);
-        u4_mem_size += sizeof(ctxt_inc_mb_info_t);
-        u4_mem_size = ALIGN64(u4_mem_size);
-        u4_mem_size += sizeof(UWORD32) * (MAX_REF_BUFS * MAX_REF_BUFS);
-        u4_mem_size = ALIGN64(u4_mem_size);
-
-        u4_mem_size += MAX_REF_BUF_SIZE * 2;
-        u4_mem_size = ALIGN64(u4_mem_size);
-        u4_mem_size += ((sizeof(WORD16)) * PRED_BUFFER_WIDTH
+    size = ((sizeof(WORD16)) * PRED_BUFFER_WIDTH
                         * PRED_BUFFER_HEIGHT * 2);
-        u4_mem_size = ALIGN64(u4_mem_size);
-        u4_mem_size += sizeof(UWORD8) * (MB_LUM_SIZE);
-        u4_mem_size = ALIGN64(u4_mem_size);
-        u4_mem_size += sizeof(parse_pmbarams_t) * luma_width_in_mbs; //Max recon mb group*/
-        u4_mem_size = ALIGN64(u4_mem_size);
-        u4_mem_size += (sizeof(parse_part_params_t) * luma_width_in_mbs) << 4; //Max recon mb group*/
-        u4_mem_size = ALIGN64(u4_mem_size);
-
-        u4_mem_size += 2 * MAX_REF_BUFS * sizeof(struct pic_buffer_t);
-        u4_mem_size = ALIGN64(u4_mem_size);
-        u4_mem_size += 2 * MAX_REF_BUFS * sizeof(struct pic_buffer_t);
-        u4_mem_size = ALIGN64(u4_mem_size);
-        u4_mem_size += (sizeof(UWORD32) * 3 * (MAX_REF_BUFS * MAX_REF_BUFS)) << 3;
-        u4_mem_size = ALIGN64(u4_mem_size);
-
-        u4_mem_size += sizeof(UWORD32) * 2 * 3 * (MAX_REF_BUFS * MAX_REF_BUFS);
-        u4_mem_size = ALIGN64(u4_mem_size);
-
-        memTab[MEM_REC_INTERNAL_SCRATCH].u4_mem_alignment =
-                        (128 * 8) / CHAR_BIT;
-        memTab[MEM_REC_INTERNAL_SCRATCH].e_mem_type =
-                        IV_EXTERNAL_CACHEABLE_SCRATCH_MEM;
-        memTab[MEM_REC_INTERNAL_SCRATCH].u4_mem_size = u4_mem_size;
-    }
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->pi2_pred1 = pv_buf;
 
-    {
 
-        UWORD32 u4_mem_used;
-        UWORD32 u4_numRows = MB_SIZE << 1;
-        UWORD32 u4_blk_wd = ((luma_width_in_mbs << 4) >> 1) + 8;
-
-        u4_mem_used = 0;
-        u4_mem_used += ((luma_width_in_mbs * sizeof(deblkmb_neighbour_t)) << 1);
-        u4_mem_used = ALIGN64(u4_mem_used);
-        u4_mem_used += (sizeof(neighbouradd_t) << 2);
-        u4_mem_used = ALIGN64(u4_mem_used);
-        u4_mem_used += ((sizeof(ctxt_inc_mb_info_t))
-                        * (((luma_width_in_mbs + 1) << 1) + 1));
-        u4_mem_used = ALIGN64(u4_mem_used);
-
-        u4_mem_used += (sizeof(mv_pred_t) * luma_width_in_mbs * 16);
-        u4_mem_used = ALIGN64(u4_mem_used);
-        u4_mem_used += (sizeof(mv_pred_t) * luma_width_in_mbs * 16);
-        u4_mem_used = ALIGN64(u4_mem_used);
-        u4_mem_used += (sizeof(mv_pred_t) * luma_width_in_mbs * 4
-                        * MV_SCRATCH_BUFS);
-        u4_mem_used = ALIGN64(u4_mem_used);
-        u4_mem_used += sizeof(UWORD8) * u4_numRows * u4_blk_wd;
-        u4_mem_used = ALIGN64(u4_mem_used);
-        u4_mem_used += sizeof(UWORD8) * u4_numRows * u4_blk_wd;
-        u4_mem_used = ALIGN64(u4_mem_used);
-        u4_numRows = BLK8x8SIZE << 1;
-
-        u4_blk_wd = ((luma_width_in_mbs << 3) >> 1) + 8;
-
-        u4_mem_used += sizeof(UWORD8) * u4_numRows * u4_blk_wd;
-        u4_mem_used = ALIGN64(u4_mem_used);
-        u4_mem_used += sizeof(UWORD8) * u4_numRows * u4_blk_wd;
-        u4_mem_used = ALIGN64(u4_mem_used);
-        u4_mem_used += sizeof(UWORD8) * u4_numRows * u4_blk_wd;
-        u4_mem_used = ALIGN64(u4_mem_used);
-        u4_mem_used += sizeof(UWORD8) * u4_numRows * u4_blk_wd;
-        u4_mem_used += 32;
-        u4_mem_used = ALIGN64(u4_mem_used);
-        u4_mem_used += sizeof(UWORD8) * (luma_width + 16) * 2;
-        u4_mem_used = ALIGN64(u4_mem_used);
-        u4_mem_used += sizeof(UWORD8) * (luma_width + 16) * 2;
-        u4_mem_used = ALIGN64(u4_mem_used);
-        u4_mem_used += sizeof(UWORD8) * (luma_width + 16) * 2;
-        u4_mem_used = ALIGN64(u4_mem_used);
-        u4_mem_used += sizeof(mb_neigbour_params_t) * (luma_width_in_mbs + 1)
-                        * luma_height_in_mbs;
-        u4_mem_used += luma_width;
-        u4_mem_used = ALIGN64(u4_mem_used);
-        u4_mem_used += luma_width;
-        u4_mem_used = ALIGN64(u4_mem_used);
-        u4_mem_used += luma_width;
-        u4_mem_used = ALIGN64(u4_mem_used);
-
-        u4_mem_used += ((MB_SIZE + 4) << 1) * PAD_LEN_Y_H;
-        u4_mem_used = ALIGN64(u4_mem_used);
-        u4_mem_used += ((BLK8x8SIZE + 2) << 1) * PAD_LEN_UV_H;
-        u4_mem_used = ALIGN64(u4_mem_used);
-        u4_mem_used += ((BLK8x8SIZE + 2) << 1) * PAD_LEN_UV_H;
-        u4_mem_used = ALIGN64(u4_mem_used);
-        memTab[MEM_REC_INTERNAL_PERSIST].u4_mem_alignment =
-                        (128 * 8) / CHAR_BIT;
-        memTab[MEM_REC_INTERNAL_PERSIST].e_mem_type =
-                        IV_EXTERNAL_CACHEABLE_PERSISTENT_MEM;
-        memTab[MEM_REC_INTERNAL_PERSIST].u4_mem_size = u4_mem_used;
-    }
+    size = sizeof(UWORD8) * (MB_LUM_SIZE);
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->pu1_temp_mc_buffer = pv_buf;
 
-    memTab[MEM_REC_BITSBUF].u4_mem_alignment = (128 * 8) / CHAR_BIT;
-    memTab[MEM_REC_BITSBUF].e_mem_type = IV_EXTERNAL_CACHEABLE_PERSISTENT_MEM;
-    memTab[MEM_REC_BITSBUF].u4_mem_size = MAX(256000, (luma_width * luma_height * 3 / 2));
 
-    {
 
-        UWORD32 u4_thread_struct_size = ithread_get_handle_size();
 
-        memTab[MEM_REC_THREAD_HANDLE].u4_mem_alignment = (128 * 8) / CHAR_BIT;
-        memTab[MEM_REC_THREAD_HANDLE].e_mem_type =
-                        IV_EXTERNAL_CACHEABLE_PERSISTENT_MEM;
-        memTab[MEM_REC_THREAD_HANDLE].u4_mem_size = u4_thread_struct_size * 2;
+    size = 8 * MAX_REF_BUFS * sizeof(struct pic_buffer_t);
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
 
-    }
-
-    memTab[MEM_REC_PARSE_MAP].u4_mem_alignment = (128 * 8) / CHAR_BIT;
-    memTab[MEM_REC_PARSE_MAP].e_mem_type = IV_EXTERNAL_CACHEABLE_PERSISTENT_MEM;
-    memTab[MEM_REC_PARSE_MAP].u4_mem_size = u4_total_num_mbs;
+    ps_dec->pu1_init_dpb_base = pv_buf;
+    pu1_buf = pv_buf;
+    ps_dec->ps_dpb_mgr->ps_init_dpb[0][0] = (struct pic_buffer_t *)pu1_buf;
 
-    memTab[MEM_REC_PROC_MAP].u4_mem_alignment = (128 * 8) / CHAR_BIT;
-    memTab[MEM_REC_PROC_MAP].e_mem_type = IV_EXTERNAL_CACHEABLE_PERSISTENT_MEM;
-    memTab[MEM_REC_PROC_MAP].u4_mem_size = u4_total_num_mbs;
+    pu1_buf += size / 2;
+    ps_dec->ps_dpb_mgr->ps_init_dpb[1][0] = (struct pic_buffer_t *)pu1_buf;
 
-    memTab[MEM_REC_SLICE_NUM_MAP].u4_mem_alignment = (128 * 8) / CHAR_BIT;
-    memTab[MEM_REC_SLICE_NUM_MAP].e_mem_type =
-                    IV_EXTERNAL_CACHEABLE_PERSISTENT_MEM;
-    memTab[MEM_REC_SLICE_NUM_MAP].u4_mem_size = u4_total_num_mbs
-                    * sizeof(UWORD16);
+    size = (sizeof(UWORD32) * 3
+                        * (MAX_FRAMES * MAX_FRAMES))
+                        << 3;
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->pu4_mbaff_wt_mat = pv_buf;
 
-    memTab[MEM_REC_DPB_MGR].u4_mem_alignment = (128 * 8) / CHAR_BIT;
-    memTab[MEM_REC_DPB_MGR].e_mem_type = IV_EXTERNAL_CACHEABLE_PERSISTENT_MEM;
-    memTab[MEM_REC_DPB_MGR].u4_mem_size = sizeof(dpb_manager_t);
+    size = sizeof(UWORD32) * 2 * 3
+                        * (MAX_FRAMES * MAX_FRAMES);
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->pu4_wts_ofsts_mat = pv_buf;
 
-    memTab[MEM_REC_BACKUP].u4_mem_alignment = (128 * 8) / CHAR_BIT;
-    memTab[MEM_REC_BACKUP].e_mem_type = IV_EXTERNAL_CACHEABLE_PERSISTENT_MEM;
-    memTab[MEM_REC_BACKUP].u4_mem_size = sizeof(iv_mem_rec_t) * MEM_REC_CNT;
 
-    {
+    size = (sizeof(neighbouradd_t) << 2);
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->ps_left_mvpred_addr = pv_buf;
 
-        UWORD32 u4_mem_size;
 
-        u4_mem_size = sizeof(disp_mgr_t);
-        u4_mem_size += sizeof(buf_mgr_t) + ithread_get_mutex_lock_size();
-        u4_mem_size += sizeof(struct pic_buffer_t) * (H264_MAX_REF_PICS * 2);
-
-        memTab[MEM_REC_PIC_BUF_MGR].u4_mem_alignment = (128 * 8) / CHAR_BIT;
-        memTab[MEM_REC_PIC_BUF_MGR].e_mem_type =
-                        IV_EXTERNAL_CACHEABLE_PERSISTENT_MEM;
-        memTab[MEM_REC_PIC_BUF_MGR].u4_mem_size = u4_mem_size;
-    }
+    size = sizeof(buf_mgr_t) + ithread_get_mutex_lock_size();
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->pv_mv_buf_mgr = pv_buf;
 
-    {
-        UWORD32 u4_mem_size;
-
-        u4_mem_size  = sizeof(buf_mgr_t) + ithread_get_mutex_lock_size();
-        u4_mem_size += sizeof(col_mv_buf_t) * (H264_MAX_REF_PICS * 2);
-        u4_mem_size = ALIGN128(u4_mem_size);
-        u4_mem_size += ((luma_width * luma_height) >> 4)
-                        * (MIN(max_dpb_size, num_ref_frames) + 1);
-        memTab[MEM_REC_MV_BUF_MGR].u4_mem_alignment = (128 * 8) / CHAR_BIT;
-        memTab[MEM_REC_MV_BUF_MGR].e_mem_type =
-                        IV_EXTERNAL_CACHEABLE_PERSISTENT_MEM;
-        memTab[MEM_REC_MV_BUF_MGR].u4_mem_size = u4_mem_size;
-    }
 
-    memTab[MEM_REC_PRED_INFO_PKD].u4_mem_alignment =  (128 * 8) / CHAR_BIT;
-    memTab[MEM_REC_PRED_INFO_PKD].e_mem_type =
-                    IV_EXTERNAL_CACHEABLE_PERSISTENT_MEM;
+    size =  sizeof(col_mv_buf_t) * (H264_MAX_REF_PICS * 2);
+    pv_buf = pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->ps_col_mv_base = pv_buf;
+    memset(ps_dec->ps_col_mv_base, 0, size);
 
     {
-        UWORD32 u4_num_entries;
-        u4_num_entries = u4_total_num_mbs;
-
-        if(1 == num_ref_frames)
-            u4_num_entries *= 16;
-        else
-            u4_num_entries *= 16 * 2;
+        UWORD8 i;
+        struct pic_buffer_t *ps_init_dpb;
+        ps_init_dpb = ps_dec->ps_dpb_mgr->ps_init_dpb[0][0];
+        for(i = 0; i < 2 * MAX_REF_BUFS; i++)
+        {
+            ps_init_dpb->pu1_buf1 = NULL;
+            ps_init_dpb->u1_long_term_frm_idx = MAX_REF_BUFS + 1;
+            ps_dec->ps_dpb_mgr->ps_init_dpb[0][i] = ps_init_dpb;
+            ps_dec->ps_dpb_mgr->ps_mod_dpb[0][i] = ps_init_dpb;
+            ps_init_dpb++;
+        }
 
-        memTab[MEM_REC_PRED_INFO_PKD].u4_mem_size = sizeof(pred_info_pkd_t)
-                        * u4_num_entries;
+        ps_init_dpb = ps_dec->ps_dpb_mgr->ps_init_dpb[1][0];
+        for(i = 0; i < 2 * MAX_REF_BUFS; i++)
+        {
+            ps_init_dpb->pu1_buf1 = NULL;
+            ps_init_dpb->u1_long_term_frm_idx = MAX_REF_BUFS + 1;
+            ps_dec->ps_dpb_mgr->ps_init_dpb[1][i] = ps_init_dpb;
+            ps_dec->ps_dpb_mgr->ps_mod_dpb[1][i] = ps_init_dpb;
+            ps_init_dpb++;
+        }
     }
-
-    ps_mem_q_op->s_ivd_fill_mem_rec_op_t.u4_num_mem_rec_filled = MEM_REC_CNT;
-
+    ih264d_init_decoder(ps_dec);
 
     return IV_SUCCESS;
 }
+
+
 /*****************************************************************************/
 /*                                                                           */
-/*  Function Name :  ih264d_clr                                              */
+/*  Function Name : ih264d_create                                              */
 /*                                                                           */
-/*  Description   :  returns memory records to app                           */
+/*  Description   : creates decoder                                          */
 /*                                                                           */
 /*  Inputs        :iv_obj_t decoder handle                                   */
 /*                :pv_api_ip pointer to input structure                      */
@@ -2374,78 +1412,33 @@ WORD32 ih264d_fill_num_mem_rec(void *pv_api_ip, void *pv_api_op)
 /*         22 10 2008    100356         Draft                                */
 /*                                                                           */
 /*****************************************************************************/
-WORD32 ih264d_clr(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
+WORD32 ih264d_create(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
 {
+    ih264d_create_op_t *ps_create_op;
 
-    dec_struct_t * ps_dec;
-    iv_retrieve_mem_rec_ip_t *dec_clr_ip;
-    iv_retrieve_mem_rec_op_t *dec_clr_op;
+    WORD32 ret;
 
-    dec_clr_ip = (iv_retrieve_mem_rec_ip_t *)pv_api_ip;
-    dec_clr_op = (iv_retrieve_mem_rec_op_t *)pv_api_op;
-    ps_dec = (dec_struct_t *)(dec_hdl->pv_codec_handle);
+    ps_create_op = (ih264d_create_op_t *)pv_api_op;
 
-    if(ps_dec->init_done != 1)
-    {
-        //return a proper Error Code
-        return IV_FAIL;
-    }
+    ps_create_op->s_ivd_create_op_t.u4_error_code = 0;
 
-    if(ps_dec->pv_pic_buf_mgr)
-        ih264_buf_mgr_free((buf_mgr_t *)ps_dec->pv_pic_buf_mgr);
-    if(ps_dec->pv_mv_buf_mgr)
-        ih264_buf_mgr_free((buf_mgr_t *)ps_dec->pv_mv_buf_mgr);
+    ret = ih264d_allocate_static_bufs(&dec_hdl, pv_api_ip, pv_api_op);
 
-    memcpy(dec_clr_ip->pv_mem_rec_location, ps_dec->ps_mem_tab,
-           MEM_REC_CNT * (sizeof(iv_mem_rec_t)));
-    dec_clr_op->u4_num_mem_rec_filled = MEM_REC_CNT;
+    /* If allocation of some buffer fails, then free buffers allocated till then */
+    if((IV_FAIL == ret) && (NULL != dec_hdl))
+    {
+        ih264d_free_static_bufs(dec_hdl);
+        ps_create_op->s_ivd_create_op_t.u4_error_code = IVD_MEM_ALLOC_FAILED;
+        ps_create_op->s_ivd_create_op_t.u4_error_code = 1 << IVD_FATALERROR;
 
-    H264_DEC_DEBUG_PRINT("The clear non-conceal num mem recs: %d\n",
-                         dec_clr_op->u4_num_mem_rec_filled);
+        return IV_FAIL;
+    }
 
     return IV_SUCCESS;
-
 }
 
 /*****************************************************************************/
 /*                                                                           */
-/*  Function Name : ih264d_init                                              */
-/*                                                                           */
-/*  Description   : initializes decoder                                      */
-/*                                                                           */
-/*  Inputs        :iv_obj_t decoder handle                                   */
-/*                :pv_api_ip pointer to input structure                      */
-/*                :pv_api_op pointer to output structure                     */
-/*  Outputs       :                                                          */
-/*  Returns       : void                                                     */
-/*                                                                           */
-/*  Issues        : none                                                     */
-/*                                                                           */
-/*  Revision History:                                                        */
-/*                                                                           */
-/*         DD MM YYYY   Author(s)       Changes (Describe the changes made)  */
-/*         22 10 2008    100356         Draft                                */
-/*                                                                           */
-/*****************************************************************************/
-WORD32 ih264d_init(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
-{
-    ih264d_init_ip_t *ps_init_ip;
-    ih264d_init_op_t *ps_init_op;
-    WORD32 init_status = IV_SUCCESS;
-    ps_init_ip = (ih264d_init_ip_t *)pv_api_ip;
-    ps_init_op = (ih264d_init_op_t *)pv_api_op;
-
-    init_status = ih264d_init_video_decoder(dec_hdl, ps_init_ip, ps_init_op);
-
-    if(IV_SUCCESS != init_status)
-    {
-        return init_status;
-    }
-
-    return init_status;
-}
-/*****************************************************************************/
-/*                                                                           */
 /*  Function Name :  ih264d_map_error                                        */
 /*                                                                           */
 /*  Description   :  Maps error codes to IVD error groups                    */
@@ -2477,6 +1470,7 @@ UWORD32 ih264d_map_error(UWORD32 i4_err_status)
         case ERROR_ACTUAL_RESOLUTION_GREATER_THAN_INIT:
         case ERROR_PROFILE_NOT_SUPPORTED:
         case ERROR_INIT_NOT_DONE:
+        case IVD_MEM_ALLOC_FAILED:
             temp = 1 << IVD_FATALERROR;
             H264_DEC_DEBUG_PRINT("\nFatal Error\n");
             break;
@@ -2600,7 +1594,6 @@ WORD32 ih264d_video_decode(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
     ps_dec_ip = (ivd_video_decode_ip_t *)pv_api_ip;
     ps_dec_op = (ivd_video_decode_op_t *)pv_api_op;
     ps_dec->pv_dec_out = ps_dec_op;
-    ps_dec->process_called = 1;
     if(ps_dec->init_done != 1)
     {
         return IV_FAIL;
@@ -2640,7 +1633,6 @@ WORD32 ih264d_video_decode(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
     ps_dec->u4_output_present = 0;
     ps_dec->s_disp_op.u4_error_code = 1;
     ps_dec->u4_fmt_conv_num_rows = FMT_CONV_NUM_ROWS;
-    ps_dec->u4_stop_threads = 0;
     if(0 == ps_dec->u4_share_disp_buf
                     && ps_dec->i4_decode_header == 0)
     {
@@ -2859,17 +1851,46 @@ WORD32 ih264d_video_decode(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
 
     DEBUG_THREADS_PRINTF(" Starting process call\n");
 
+
     ps_dec->u4_pic_buf_got = 0;
 
     do
     {
+        WORD32 buf_size;
 
         pu1_buf = (UWORD8*)ps_dec_ip->pv_stream_buffer
                         + ps_dec_op->u4_num_bytes_consumed;
 
         u4_max_ofst = ps_dec_ip->u4_num_Bytes
                         - ps_dec_op->u4_num_bytes_consumed;
-        pu1_bitstrm_buf = ps_dec->ps_mem_tab[MEM_REC_BITSBUF].pv_base;
+
+        /* If dynamic bitstream buffer is not allocated and
+         * header decode is done, then allocate dynamic bitstream buffer
+         */
+        if((NULL == ps_dec->pu1_bits_buf_dynamic) &&
+           (ps_dec->i4_header_decoded & 1))
+        {
+            WORD32 size;
+
+            void *pv_buf;
+            void *pv_mem_ctxt = ps_dec->pv_mem_ctxt;
+            size = MAX(256000, ps_dec->u2_pic_wd * ps_dec->u2_pic_ht * 3 / 2);
+            pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size);
+            RETURN_IF((NULL == pv_buf), IV_FAIL);
+            ps_dec->pu1_bits_buf_dynamic = pv_buf;
+            ps_dec->u4_dynamic_bits_buf_size = size;
+        }
+
+        if(ps_dec->pu1_bits_buf_dynamic)
+        {
+            pu1_bitstrm_buf = ps_dec->pu1_bits_buf_dynamic;
+            buf_size = ps_dec->u4_dynamic_bits_buf_size;
+        }
+        else
+        {
+            pu1_bitstrm_buf = ps_dec->pu1_bits_buf_static;
+            buf_size = ps_dec->u4_static_bits_buf_size;
+        }
 
         u4_next_is_aud = 0;
 
@@ -2880,47 +1901,11 @@ WORD32 ih264d_video_decode(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
         if(buflen == -1)
             buflen = 0;
         /* Ignore bytes beyond the allocated size of intermediate buffer */
-        buflen = MIN(buflen, (WORD32)ps_dec->ps_mem_tab[MEM_REC_BITSBUF].u4_mem_size);
+        buflen = MIN(buflen, buf_size);
 
         bytes_consumed = buflen + u4_length_of_start_code;
         ps_dec_op->u4_num_bytes_consumed += bytes_consumed;
 
-        if(buflen >= MAX_NAL_UNIT_SIZE)
-        {
-
-            ih264d_fill_output_struct_from_context(ps_dec, ps_dec_op);
-            H264_DEC_DEBUG_PRINT(
-                            "\nNal Size exceeded %d, Processing Stopped..\n",
-                            MAX_NAL_UNIT_SIZE);
-            ps_dec->i4_error_code = 1 << IVD_CORRUPTEDDATA;
-
-            ps_dec_op->e_pic_type = -1;
-            /*signal the decode thread*/
-            ih264d_signal_decode_thread(ps_dec);
-            /*signal end of frame decode for curren frame*/
-
-            if(ps_dec->u4_pic_buf_got == 0)
-            {
-                if(ps_dec->i4_header_decoded == 3)
-                {
-                    ps_dec->u2_total_mbs_coded =
-                                    ps_dec->ps_cur_sps->u2_max_mb_addr + 1;
-                }
-
-                /* close deblock thread if it is not closed yet*/
-                if(ps_dec->u4_num_cores == 3)
-                {
-                    ih264d_signal_bs_deblk_thread(ps_dec);
-                }
-                return IV_FAIL;
-            }
-            else
-            {
-                ps_dec->u1_pic_decode_done = 1;
-                continue;
-            }
-        }
-
         {
             UWORD8 u1_firstbyte, u1_nal_ref_idc;
 
@@ -3020,7 +2005,6 @@ WORD32 ih264d_video_decode(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
             api_ret_value = IV_FAIL;
 
             if((ret == IVD_RES_CHANGED)
-                            || (ret == IVD_STREAM_WIDTH_HEIGHT_NOT_SUPPORTED)
                             || (ret == ERROR_UNAVAIL_PICBUF_T)
                             || (ret == ERROR_UNAVAIL_MVBUF_T))
             {
@@ -3102,7 +2086,6 @@ WORD32 ih264d_video_decode(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
     }
 
     if((ret == IVD_RES_CHANGED)
-                    || (ret == IVD_STREAM_WIDTH_HEIGHT_NOT_SUPPORTED)
                     || (ret == ERROR_UNAVAIL_PICBUF_T)
                     || (ret == ERROR_UNAVAIL_MVBUF_T))
     {
@@ -3290,7 +2273,7 @@ WORD32 ih264d_video_decode(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
          * Note in this mode, format conversion does not run paralelly in a thread and adds to the codec cycles
          */
 
-        if((0 == ps_dec->u4_num_reorder_frames_at_init)
+        if((IVD_DECODE_FRAME_OUT == ps_dec->e_frm_out_mode)
                         && ps_dec->u1_init_dec_flag)
         {
 
@@ -3363,7 +2346,7 @@ WORD32 ih264d_get_version(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
         return (IV_FAIL);
     }
 
-    version_string_len = strlen(version_string) + 1;
+    version_string_len = strnlen(version_string, MAXVERSION_STRLEN) + 1;
 
     if(ps_ip->u4_version_buffer_size >= version_string_len) //(WORD32)sizeof(sizeof(version_string)))
     {
@@ -3437,72 +2420,20 @@ WORD32 ih264d_set_display_frame(iv_obj_t *dec_hdl,
     ivd_set_display_frame_ip_t *dec_disp_ip;
     ivd_set_display_frame_op_t *dec_disp_op;
 
-    UWORD32 i, num_mvbank_req;
+    UWORD32 i;
     dec_struct_t * ps_dec = (dec_struct_t *)(dec_hdl->pv_codec_handle);
 
     dec_disp_ip = (ivd_set_display_frame_ip_t *)pv_api_ip;
     dec_disp_op = (ivd_set_display_frame_op_t *)pv_api_op;
     dec_disp_op->u4_error_code = 0;
-    if((NULL != ps_dec->ps_cur_sps) && (1 == (ps_dec->ps_cur_sps->u1_is_valid)))
-    {
-        UWORD32 level, width_mbs, height_mbs;
-
-        level = ps_dec->u4_level_at_init;
-        width_mbs = ps_dec->u2_frm_wd_in_mbs;
-        height_mbs = ps_dec->u2_frm_ht_in_mbs;
-
-        if((ps_dec->ps_cur_sps->u1_vui_parameters_present_flag == 1)
-                        && (ps_dec->ps_cur_sps->s_vui.u4_num_reorder_frames != 64))
-        {
-            num_mvbank_req = ps_dec->ps_cur_sps->s_vui.u4_num_reorder_frames + 2;
-        }
-        else
-        {
-            /*if VUI is not present assume maximum possible refrence frames for the level,
-             * as max reorder frames*/
-            num_mvbank_req = ih264d_get_dpb_size_new(level, width_mbs,
-                                                     height_mbs);
-        }
-
-        num_mvbank_req += ps_dec->ps_cur_sps->u1_num_ref_frames + 1;
-    }
-    else
-    {
-        UWORD32 num_bufs_app, num_bufs_level;
-        UWORD32 num_ref_frames, num_reorder_frames, luma_width;
-        UWORD32 luma_height, level;
-
-        num_ref_frames = ps_dec->u4_num_ref_frames_at_init;
-        num_reorder_frames = ps_dec->u4_num_reorder_frames_at_init;
-        level = ps_dec->u4_level_at_init;
-        luma_width = ps_dec->u4_width_at_init;
-        luma_height = ps_dec->u4_height_at_init;
-
-        num_bufs_app = num_ref_frames + num_reorder_frames + 1;
-
-        if(num_bufs_app <= 1)
-            num_bufs_app = 2;
-
-        num_bufs_level = ih264d_get_dpb_size_new(level, (luma_width >> 4),
-                                                 (luma_height >> 4));
 
-        num_bufs_level = num_bufs_level * 2 + 1;
-
-        num_mvbank_req = MIN(num_bufs_level, num_bufs_app);
-
-        num_mvbank_req += ps_dec->u4_num_extra_disp_bufs_at_init;
-
-    }
 
     ps_dec->u4_num_disp_bufs = 0;
     if(ps_dec->u4_share_disp_buf)
     {
         UWORD32 u4_num_bufs = dec_disp_ip->num_disp_bufs;
-        if(u4_num_bufs > MAX_DISP_BUFS_NEW)
-            u4_num_bufs = MAX_DISP_BUFS_NEW;
 
         u4_num_bufs = MIN(u4_num_bufs, MAX_DISP_BUFS_NEW);
-        u4_num_bufs = MIN(u4_num_bufs, num_mvbank_req);
 
         ps_dec->u4_num_disp_bufs = u4_num_bufs;
         for(i = 0; i < u4_num_bufs; i++)
@@ -3613,8 +2544,6 @@ WORD32 ih264d_get_status(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
 
     ps_dec = (dec_struct_t *)(dec_hdl->pv_codec_handle);
 
-    pic_wd = ps_dec->u4_width_at_init;
-    pic_ht = ps_dec->u4_height_at_init;
 
     if((NULL != ps_dec->ps_cur_sps) && (1 == (ps_dec->ps_cur_sps->u1_is_valid)))
     {
@@ -3635,6 +2564,9 @@ WORD32 ih264d_get_status(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
     }
     else
     {
+        pic_wd = 0;
+        pic_ht = 0;
+
         ps_ctl_op->u4_pic_ht = pic_wd;
         ps_ctl_op->u4_pic_wd = pic_ht;
 
@@ -3655,25 +2587,17 @@ WORD32 ih264d_get_status(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
     {
         if((NULL != ps_dec->ps_cur_sps) && (1 == (ps_dec->ps_cur_sps->u1_is_valid)))
         {
-            UWORD32 level, width_mbs, height_mbs;
-
-            level = ps_dec->u4_level_at_init;
-            width_mbs = ps_dec->u2_frm_wd_in_mbs;
-            height_mbs = ps_dec->u2_frm_ht_in_mbs;
-
-            if((ps_dec->ps_cur_sps->u1_vui_parameters_present_flag == 1)
-                            && (ps_dec->ps_cur_sps->s_vui.u4_num_reorder_frames
-                                            != 64))
+            if((ps_dec->ps_cur_sps->u1_vui_parameters_present_flag == 1) &&
+               (1 == ps_dec->ps_cur_sps->s_vui.u1_bitstream_restriction_flag))
             {
                 ps_ctl_op->u4_num_disp_bufs =
-                                ps_dec->ps_cur_sps->s_vui.u4_num_reorder_frames + 2;
+                                ps_dec->ps_cur_sps->s_vui.u4_num_reorder_frames + 1;
             }
             else
             {
                 /*if VUI is not present assume maximum possible refrence frames for the level,
                  * as max reorder frames*/
-                ps_ctl_op->u4_num_disp_bufs = ih264d_get_dpb_size_new(
-                                level, width_mbs, height_mbs);
+                ps_ctl_op->u4_num_disp_bufs = ih264d_get_dpb_size(ps_dec->ps_cur_sps);
             }
 
             ps_ctl_op->u4_num_disp_bufs +=
@@ -3681,21 +2605,8 @@ WORD32 ih264d_get_status(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
         }
         else
         {
-            ps_ctl_op->u4_num_disp_bufs = ih264d_get_dpb_size_new(
-                            ps_dec->u4_level_at_init,
-                            (ps_dec->u4_width_at_init >> 4),
-                            (ps_dec->u4_height_at_init >> 4));
-
-            ps_ctl_op->u4_num_disp_bufs +=
-                            ps_ctl_op->u4_num_disp_bufs;
-
-            ps_ctl_op->u4_num_disp_bufs =
-                            MIN(ps_ctl_op->u4_num_disp_bufs,
-                                (ps_dec->u4_num_ref_frames_at_init
-                                                + ps_dec->u4_num_reorder_frames_at_init));
-
+            ps_ctl_op->u4_num_disp_bufs = 32;
         }
-
         ps_ctl_op->u4_num_disp_bufs = MAX(
                         ps_ctl_op->u4_num_disp_bufs, 6);
         ps_ctl_op->u4_num_disp_bufs = MIN(
@@ -3737,7 +2648,7 @@ WORD32 ih264d_get_status(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
 
     for(i = 0; i < ps_ctl_op->u4_min_num_in_bufs; i++)
     {
-        ps_ctl_op->u4_min_in_buf_size[i] = MIN_IN_BUF_SIZE;
+        ps_ctl_op->u4_min_in_buf_size[i] = MAX(256000, pic_wd * pic_ht * 3 / 2);
     }
 
     /*!*/
@@ -3829,15 +2740,11 @@ WORD32 ih264d_get_buf_info(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
 
     ps_ctl_op->u4_num_disp_bufs = 1;
 
-    for(i = 0; i < ps_ctl_op->u4_min_num_in_bufs; i++)
-    {
-        ps_ctl_op->u4_min_in_buf_size[i] = MIN_IN_BUF_SIZE;
-    }
 
-    pic_wd = ps_dec->u4_width_at_init;
-    pic_ht = ps_dec->u4_height_at_init;
+    pic_wd = 0;
+    pic_ht = 0;
 
-    if((NULL != ps_dec->ps_cur_sps) && (1 == (ps_dec->ps_cur_sps->u1_is_valid)))
+    if(ps_dec->i4_header_decoded == 3)
     {
 
         if(0 == ps_dec->u4_share_disp_buf)
@@ -3853,16 +2760,11 @@ WORD32 ih264d_get_buf_info(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
         }
 
     }
-    else
-    {
-        if(1 == ps_dec->u4_share_disp_buf)
-        {
-            pic_wd += (PAD_LEN_Y_H << 1);
-            pic_ht += (PAD_LEN_Y_V << 2);
 
-        }
+    for(i = 0; i < ps_ctl_op->u4_min_num_in_bufs; i++)
+    {
+        ps_ctl_op->u4_min_in_buf_size[i] = MAX(256000, pic_wd * pic_ht * 3 / 2);
     }
-
     if((WORD32)ps_dec->u4_app_disp_width > pic_wd)
         pic_wd = ps_dec->u4_app_disp_width;
 
@@ -3872,25 +2774,17 @@ WORD32 ih264d_get_buf_info(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
     {
         if((NULL != ps_dec->ps_cur_sps) && (1 == (ps_dec->ps_cur_sps->u1_is_valid)))
         {
-            UWORD32 level, width_mbs, height_mbs;
-
-            level = ps_dec->u4_level_at_init;
-            width_mbs = ps_dec->u2_frm_wd_in_mbs;
-            height_mbs = ps_dec->u2_frm_ht_in_mbs;
-
-            if((ps_dec->ps_cur_sps->u1_vui_parameters_present_flag == 1)
-                            && (ps_dec->ps_cur_sps->s_vui.u4_num_reorder_frames
-                                            != 64))
+            if((ps_dec->ps_cur_sps->u1_vui_parameters_present_flag == 1) &&
+               (1 == ps_dec->ps_cur_sps->s_vui.u1_bitstream_restriction_flag))
             {
                 ps_ctl_op->u4_num_disp_bufs =
-                                ps_dec->ps_cur_sps->s_vui.u4_num_reorder_frames + 2;
+                                ps_dec->ps_cur_sps->s_vui.u4_num_reorder_frames + 1;
             }
             else
             {
                 /*if VUI is not present assume maximum possible refrence frames for the level,
                  * as max reorder frames*/
-                ps_ctl_op->u4_num_disp_bufs = ih264d_get_dpb_size_new(
-                                level, width_mbs, height_mbs);
+                ps_ctl_op->u4_num_disp_bufs = ih264d_get_dpb_size(ps_dec->ps_cur_sps);
             }
 
             ps_ctl_op->u4_num_disp_bufs +=
@@ -3899,18 +2793,7 @@ WORD32 ih264d_get_buf_info(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
         }
         else
         {
-            ps_ctl_op->u4_num_disp_bufs = ih264d_get_dpb_size_new(
-                            ps_dec->u4_level_at_init,
-                            (ps_dec->u4_width_at_init >> 4),
-                            (ps_dec->u4_height_at_init >> 4));
-
-            ps_ctl_op->u4_num_disp_bufs +=
-                            ps_ctl_op->u4_num_disp_bufs;
-
-            ps_ctl_op->u4_num_disp_bufs =
-                            MIN(ps_ctl_op->u4_num_disp_bufs,
-                                (ps_dec->u4_num_ref_frames_at_init
-                                                + ps_dec->u4_num_reorder_frames_at_init));
+            ps_ctl_op->u4_num_disp_bufs = 32;
 
         }
 
@@ -4031,11 +2914,11 @@ WORD32 ih264d_set_params(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
     }
     else
     {
-        if((ps_ctl_ip->u4_disp_wd >= ps_dec->u2_pic_wd)/* && (ps_ctl_ip->u4_disp_wd <= ps_dec->u4_width_at_init) */)
+        if(ps_ctl_ip->u4_disp_wd >= ps_dec->u2_pic_wd)
         {
             ps_dec->u4_app_disp_width = ps_ctl_ip->u4_disp_wd;
         }
-        else if((0 == ps_dec->i4_header_decoded) /*&& (ps_ctl_ip->u4_disp_wd <= ps_dec->u4_width_at_init)*/)
+        else if(0 == ps_dec->i4_header_decoded)
         {
             ps_dec->u4_app_disp_width = ps_ctl_ip->u4_disp_wd;
         }
@@ -4065,7 +2948,15 @@ WORD32 ih264d_set_params(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
         ps_dec->i4_decode_header = 1;
         ret = IV_FAIL;
     }
+    ps_dec->e_frm_out_mode = IVD_DISPLAY_FRAME_OUT;
 
+    if((ps_ctl_ip->e_frm_out_mode != IVD_DECODE_FRAME_OUT) &&
+       (ps_ctl_ip->e_frm_out_mode != IVD_DISPLAY_FRAME_OUT))
+    {
+        ps_ctl_op->u4_error_code = (1 << IVD_UNSUPPORTEDPARAM);
+        ret = IV_FAIL;
+    }
+    ps_dec->e_frm_out_mode = ps_ctl_ip->e_frm_out_mode;
     return ret;
 
 }
@@ -4115,7 +3006,40 @@ WORD32 ih264d_set_default_params(iv_obj_t *dec_hdl,
 
     return ret;
 }
+/*****************************************************************************/
+/*                                                                           */
+/*  Function Name :  ih264d_reset                                            */
+/*                                                                           */
+/*  Description   :                                                          */
+/*                                                                           */
+/*  Inputs        :iv_obj_t decoder handle                                   */
+/*                :pv_api_ip pointer to input structure                      */
+/*                :pv_api_op pointer to output structure                     */
+/*  Globals       : <Does it use any global variables?>                      */
+/*  Outputs       :                                                          */
+/*  Returns       : void                                                     */
+/*                                                                           */
+/*  Issues        : none                                                     */
+/*                                                                           */
+/*  Revision History:                                                        */
+/*                                                                           */
+/*         DD MM YYYY   Author(s)       Changes (Describe the changes made)  */
+/*         22 10 2008    100356         Draft                                */
+/*                                                                           */
+/*****************************************************************************/
+WORD32 ih264d_delete(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
+{
+    dec_struct_t *ps_dec;
+    ih264d_delete_ip_t *ps_ip = (ih264d_delete_ip_t *)pv_api_ip;
+    ih264d_delete_op_t *ps_op = (ih264d_delete_op_t *)pv_api_op;
 
+    ps_dec = (dec_struct_t *)(dec_hdl->pv_codec_handle);
+    UNUSED(ps_ip);
+    ps_op->s_ivd_delete_op_t.u4_error_code = 0;
+    ih264d_free_dynamic_bufs(ps_dec);
+    ih264d_free_static_bufs(dec_hdl);
+    return IV_SUCCESS;
+}
 /*****************************************************************************/
 /*                                                                           */
 /*  Function Name :  ih264d_reset                                            */
@@ -4145,17 +3069,10 @@ WORD32 ih264d_reset(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
     ps_ctl_op->u4_error_code = 0;
 
     ps_dec = (dec_struct_t *)(dec_hdl->pv_codec_handle);
-//CHECK
+
     if(ps_dec != NULL)
     {
-
         ih264d_init_decoder(ps_dec);
-
-        /*
-         memset(ps_dec->disp_bufs, 0, (MAX_DISP_BUFS_NEW) * sizeof(disp_buf_t));
-         memset(ps_dec->u4_disp_buf_mapping, 0, (MAX_DISP_BUFS_NEW) * sizeof(UWORD32));
-         memset(ps_dec->u4_disp_buf_to_be_freed, 0, (MAX_DISP_BUFS_NEW) * sizeof(UWORD32));
-         */
     }
     else
     {
@@ -4400,8 +3317,8 @@ WORD32 ih264d_get_frame_dimensions(iv_obj_t *dec_hdl,
     }
     else
     {
-        disp_wd = ps_dec->u4_width_at_init;
-        disp_ht = ps_dec->u4_height_at_init;
+        disp_wd = 0;
+        disp_ht = 0;
 
         if(0 == ps_dec->u4_share_disp_buf)
         {
@@ -4487,7 +3404,6 @@ WORD32 ih264d_set_num_cores(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
     if(ps_dec->u4_num_cores == 1)
     {
         ps_dec->u1_separate_parse = 0;
-        ps_dec->pi4_ctxt_save_register_dec = ps_dec->pi4_ctxt_save_register;
     }
     else
     {
@@ -4579,18 +3495,12 @@ IV_API_CALL_STATUS_T ih264d_api_function(iv_obj_t *dec_hdl,
     switch(command)
     {
 
-        case IV_CMD_GET_NUM_MEM_REC:
-            u4_api_ret = ih264d_get_num_rec((void *)pv_api_ip,
-                                            (void *)pv_api_op);
-
-            break;
-        case IV_CMD_FILL_NUM_MEM_REC:
-
-            u4_api_ret = ih264d_fill_num_mem_rec((void *)pv_api_ip,
-                                                 (void *)pv_api_op);
+        case IVD_CMD_CREATE:
+            u4_api_ret = ih264d_create(dec_hdl, (void *)pv_api_ip,
+                                     (void *)pv_api_op);
             break;
-        case IV_CMD_INIT:
-            u4_api_ret = ih264d_init(dec_hdl, (void *)pv_api_ip,
+        case IVD_CMD_DELETE:
+            u4_api_ret = ih264d_delete(dec_hdl, (void *)pv_api_ip,
                                      (void *)pv_api_op);
             break;
 
@@ -4616,11 +3526,6 @@ IV_API_CALL_STATUS_T ih264d_api_function(iv_obj_t *dec_hdl,
                                                   (void *)pv_api_op);
             break;
 
-        case IV_CMD_RETRIEVE_MEMREC:
-            u4_api_ret = ih264d_clr(dec_hdl, (void *)pv_api_ip,
-                                    (void *)pv_api_op);
-            break;
-
         case IVD_CMD_VIDEO_CTL:
             u4_api_ret = ih264d_ctl(dec_hdl, (void *)pv_api_ip,
                                     (void *)pv_api_op);
diff --git a/decoder/ih264d_defs.h b/decoder/ih264d_defs.h
index fbdbd45..e266206 100644
--- a/decoder/ih264d_defs.h
+++ b/decoder/ih264d_defs.h
@@ -302,42 +302,6 @@ enum
 #define MAX_MBS_LEVEL_11 396
 #define MAX_MBS_LEVEL_10 99
 
-
-/*
- |  Legend:
- |  LVL Level*10
- |  MPR Macroblk processing rate
- |  MMF Max Mbs/Frm
- |  MDK Max DbpSize (in kB)
- |  MDB max DbpSize (in bytes)
- |  MFS FrmSizeYUV (in bytes)
- |  MDP Max DBPics
- |  MDC Ceiling DBPics
- |  FPS Frame/Second
- |
- |  LVL MPR   MMF   MDK     MDB     MFS     MDP   MDC   FPS
- |  10  1485  99    148.5   152064  38016   4.00  4.00  15.00
- |  11  3000  396   337.5   345600  152064  2.27  3.00  7.58
- |  12  6000  396   891     912384  152064  6.00  6.00  15.15
- |  13  11880 396   891     912384  152064  6.00  6.00  30.00
- |  20  11880 396   891     912384  152064  6.00  6.00  30.00
- |  21  19800 792   1782    1824768 304128  6.00  6.00  25.00
- |  22  20250 1620  3037.5  3110400 622080  5.00  5.00  12.50
- |  30  40500 1620  3037.5  3110400 622080  5.00  5.00  25.00
- */
-#define MAX_REF_LEVEL_1_0     4
-#define MAX_REF_LEVEL_1_1     3
-#define MAX_REF_LEVEL_1_2     6
-#define MAX_REF_LEVEL_1_3     6
-#define MAX_REF_LEVEL_2_0     6
-#define MAX_REF_LEVEL_2_1     6
-#define MAX_REF_LEVEL_2_2     5
-#define MAX_REF_LEVEL_3_0     5
-#define H264_MAX_REF_PICS     16
-
-#define MIN_LEVEL_SUPPORTED 10
-#define MAX_LEVEL_SUPPORTED 64
-
 /** NAL Types */
 #define SLICE_NAL                       1
 #define SLICE_DATA_PARTITION_A_NAL      2
diff --git a/decoder/ih264d_inter_pred.c b/decoder/ih264d_inter_pred.c
index d3e6a4d..01f2e01 100644
--- a/decoder/ih264d_inter_pred.c
+++ b/decoder/ih264d_inter_pred.c
@@ -869,7 +869,7 @@ WORD32 ih264d_form_mb_part_info_mp(pred_info_pkd_t *ps_pred_pkd,
     /* Increment the reference buffer Index */
     ps_dec->u4_dma_buf_idx += u2_tot_ref_scratch_size;
 
-    if(ps_dec->u4_dma_buf_idx > ps_dec->u4_ref_buf_size)
+    if(ps_dec->u4_dma_buf_idx > MAX_REF_BUF_SIZE)
         return ERROR_NUM_MV;
 
     return OK;
diff --git a/decoder/ih264d_mb_utils.c b/decoder/ih264d_mb_utils.c
index c38b266..ded2756 100644
--- a/decoder/ih264d_mb_utils.c
+++ b/decoder/ih264d_mb_utils.c
@@ -1461,11 +1461,7 @@ void ih264d_transfer_mb_group_data(dec_struct_t * ps_dec,
 
     /* Increment deblock parameters pointer in external memory */
 
-    if(ps_dec->u1_separate_parse == 1)
-    {
-        ps_dec->ps_deblk_mbn_dec_thrd += u1_num_mbs;
-    }
-    else
+    if(ps_dec->u1_separate_parse == 0)
     {
         ps_dec->ps_deblk_mbn += u1_num_mbs;
     }
diff --git a/decoder/ih264d_mem_request.h b/decoder/ih264d_mem_request.h
index 3c60c72..88e334d 100644
--- a/decoder/ih264d_mem_request.h
+++ b/decoder/ih264d_mem_request.h
@@ -76,7 +76,7 @@ WORD32 ih264d_create_pic_buffers(UWORD8 u1_num_of_buf,
 WORD32 ih264d_create_mv_bank(void * pv_codec_handle,
                              UWORD32 u4_wd,
                              UWORD32 u4_ht);
-WORD16 ih264d_get_memory_dec_params(dec_struct_t * ps_dec);
+WORD16 ih264d_allocate_dynamic_bufs(dec_struct_t * ps_dec);
 
 
 #endif  /* _IH264D_MEM_REQUEST_H_ */
diff --git a/decoder/ih264d_parse_bslice.c b/decoder/ih264d_parse_bslice.c
index 6707039..0758b77 100644
--- a/decoder/ih264d_parse_bslice.c
+++ b/decoder/ih264d_parse_bslice.c
@@ -907,7 +907,7 @@ WORD32 ih264d_mv_pred_ref_tfr_nby2_bmb(dec_struct_t * ps_dec,
         ps_dec->i4_submb_ofst += SUB_BLK_SIZE;
         /* Restore the slice scratch MbX and MbY context */
         ps_cur_mb_info = ps_dec->ps_nmb_info + i;
-        ps_dec->u2_wait_id = i;
+
 
         u1_field = ps_cur_mb_info->u1_mb_field_decodingflag;
 
@@ -1536,9 +1536,18 @@ WORD32 ih264d_parse_bslice(dec_struct_t * ps_dec, UWORD16 u2_first_mb_in_slice)
         {
             WORD32 num_entries;
             WORD32 size;
+            num_entries = MAX_FRAMES;
+            if((1 >= ps_dec->ps_cur_sps->u1_num_ref_frames) &&
+                (0 == ps_dec->i4_display_delay))
+            {
+                num_entries = 1;
+            }
 
-            num_entries = MIN(MAX_FRAMES, ps_dec->u4_num_ref_frames_at_init);
-            num_entries = 2 * ((2 * num_entries) + 1);
+            num_entries = ((2 * num_entries) + 1);
+            if(BASE_PROFILE_IDC != ps_dec->ps_cur_sps->u1_profile_idc)
+            {
+                num_entries *= 2;
+            }
 
             size = num_entries * sizeof(void *);
             size += PAD_MAP_IDX_POC * sizeof(void *);
diff --git a/decoder/ih264d_parse_headers.c b/decoder/ih264d_parse_headers.c
index 21ebfa8..e97f457 100644
--- a/decoder/ih264d_parse_headers.c
+++ b/decoder/ih264d_parse_headers.c
@@ -567,6 +567,10 @@ WORD32 ih264d_parse_sps(dec_struct_t *ps_dec, dec_bit_stream_t *ps_bitstrm)
 
     ps_seq = ps_dec->pv_scratch_sps_pps;
     *ps_seq = ps_dec->ps_sps[u1_seq_parameter_set_id];
+
+    if(NULL == ps_dec->ps_cur_sps)
+        ps_dec->ps_cur_sps = ps_seq;
+
     ps_seq->u1_profile_idc = u1_profile_idc;
     ps_seq->u1_level_idc = u1_level_idc;
     ps_seq->u1_seq_parameter_set_id = u1_seq_parameter_set_id;
@@ -734,12 +738,6 @@ WORD32 ih264d_parse_sps(dec_struct_t *ps_dec, dec_bit_stream_t *ps_bitstrm)
         return ERROR_NUM_REF;
     }
     ps_seq->u1_num_ref_frames = u4_temp;
-
-    if(ps_seq->u1_num_ref_frames > ps_dec->u4_num_ref_frames_at_init)
-    {
-        return IH264D_UNSUPPORTED_NUM_REF_FRAMES;
-    }
-
     COPYTHECONTEXT("SPS: num_ref_frames",ps_seq->u1_num_ref_frames);
 
     ps_seq->u1_gaps_in_frame_num_value_allowed_flag = ih264d_get_bit_h264(
@@ -789,49 +787,6 @@ WORD32 ih264d_parse_sps(dec_struct_t *ps_dec, dec_bit_stream_t *ps_bitstrm)
     else
         ps_seq->u1_mb_aff_flag = 0;
 
-    {
-        WORD32 frame_height_in_mbs = (2 - ps_seq->u1_frame_mbs_only_flag)
-                        * (pic_height_in_map_units_minus1 + 1);
-        UWORD32 wdth = (ps_seq->u2_frm_wd_in_mbs) << 4;
-        UWORD32 hght = (frame_height_in_mbs) << 4;
-
-        if((u2_pic_wd < H264_MIN_FRAME_WIDTH)
-                        || (u2_pic_wd > ps_dec->u4_width_at_init))
-        {
-            ivd_video_decode_op_t *ps_out;
-            /*set width and height in decode output structure*/
-            ps_out = (ivd_video_decode_op_t *)ps_dec->pv_dec_out;
-            ps_out->u4_pic_wd = u2_pic_wd;
-            ps_out->u4_pic_ht = u2_pic_ht;
-
-            return IVD_STREAM_WIDTH_HEIGHT_NOT_SUPPORTED;
-        }
-
-        if((u2_pic_ht < H264_MIN_FRAME_HEIGHT)
-                        || (((0 != ps_seq->u1_frame_mbs_only_flag)
-                                        && (u2_pic_ht * u2_pic_wd
-                                                        > ps_dec->u4_height_at_init
-                                                                        * ps_dec->u4_width_at_init))
-                                        || ((0 == ps_seq->u1_frame_mbs_only_flag)
-                                                        && (ALIGN32(u2_pic_ht)
-                                                                        * u2_pic_wd
-                                                                        > ALIGN32(ps_dec->u4_height_at_init)
-                                                                                        * ps_dec->u4_width_at_init))))
-        {
-            ivd_video_decode_op_t *ps_out;
-            /*set width and height in decode output structure*/
-            ps_out = (ivd_video_decode_op_t *)ps_dec->pv_dec_out;
-            ps_out->u4_pic_wd = u2_pic_wd;
-            ps_out->u4_pic_ht = u2_pic_ht;
-
-            return IVD_STREAM_WIDTH_HEIGHT_NOT_SUPPORTED;
-        }
-
-
-
-
-    }
-
     ps_seq->u1_direct_8x8_inference_flag = ih264d_get_bit_h264(ps_bitstrm);
 
     COPYTHECONTEXT("SPS: direct_8x8_inference_flag",
@@ -950,44 +905,6 @@ WORD32 ih264d_parse_sps(dec_struct_t *ps_dec, dec_bit_stream_t *ps_bitstrm)
             return ret;
     }
 
-    if(ps_dec->u4_level_at_init < u1_level_idc)
-    {
-        UWORD32 u4_num_pic_bufs_reqd, u4_num_reorder_frames,
-                        u4_num_mv_bufs_reqd;
-        UWORD32 u4_num_pic_bufs_memory, u4_num_mv_bufs_memory;
-        UWORD32 u4_num_ref_frames;
-
-        u4_num_ref_frames = ps_seq->u1_num_ref_frames;
-        if(1 == ps_seq->u1_vui_parameters_present_flag)
-        {
-            u4_num_reorder_frames = ps_seq->s_vui.u4_num_reorder_frames;
-        }
-        else
-        {
-            u4_num_reorder_frames = ps_dec->u4_num_reorder_frames_at_init;
-        }
-
-        u4_num_pic_bufs_reqd = u4_num_ref_frames + u4_num_reorder_frames + 1;
-
-        u4_num_pic_bufs_memory = ih264d_get_numbuf_dpb_bank(ps_dec, u2_frm_wd_y,
-                                                     u2_frm_ht_y);
-
-        u4_num_mv_bufs_reqd = u4_num_ref_frames + 1;
-
-        if(u4_num_mv_bufs_reqd < 2)
-            u4_num_mv_bufs_reqd = 2;
-
-        u4_num_mv_bufs_memory = ih264d_get_numbuf_mv_bank(ps_dec, u2_pic_wd,
-                                                   u2_pic_ht);
-
-        if((u4_num_pic_bufs_reqd > u4_num_pic_bufs_memory)
-                        || (u4_num_mv_bufs_reqd > u4_num_mv_bufs_memory))
-        {
-            return IH264D_UNSUPPORTED_LEVEL;
-        }
-
-    }
-
     ps_dec->u2_pic_wd = u2_pic_wd;
     ps_dec->u2_pic_ht = u2_pic_ht;
 
diff --git a/decoder/ih264d_parse_pslice.c b/decoder/ih264d_parse_pslice.c
index d56f44e..f300e2b 100644
--- a/decoder/ih264d_parse_pslice.c
+++ b/decoder/ih264d_parse_pslice.c
@@ -1655,9 +1655,17 @@ WORD32 ih264d_mark_err_slice_skip(dec_struct_t * ps_dec,
         WORD32 size;
         UWORD8 *pu1_buf;
 
-        num_entries = MIN(MAX_FRAMES, ps_dec->u4_num_ref_frames_at_init);
-        num_entries = 2 * ((2 * num_entries) + 1);
-
+        num_entries = MAX_FRAMES;
+        if((1 >= ps_dec->ps_cur_sps->u1_num_ref_frames) &&
+            (0 == ps_dec->i4_display_delay))
+        {
+            num_entries = 1;
+        }
+        num_entries = ((2 * num_entries) + 1);
+        if(BASE_PROFILE_IDC != ps_dec->ps_cur_sps->u1_profile_idc)
+        {
+            num_entries *= 2;
+        }
         size = num_entries * sizeof(void *);
         size += PAD_MAP_IDX_POC * sizeof(void *);
 
@@ -2021,8 +2029,17 @@ WORD32 ih264d_parse_pslice(dec_struct_t *ps_dec, UWORD16 u2_first_mb_in_slice)
             WORD32 num_entries;
             WORD32 size;
 
-            num_entries = MIN(MAX_FRAMES, ps_dec->u4_num_ref_frames_at_init);
-            num_entries = 2 * ((2 * num_entries) + 1);
+            num_entries = MAX_FRAMES;
+            if((1 >= ps_dec->ps_cur_sps->u1_num_ref_frames) &&
+                (0 == ps_dec->i4_display_delay))
+            {
+                num_entries = 1;
+            }
+            num_entries = ((2 * num_entries) + 1);
+            if(BASE_PROFILE_IDC != ps_dec->ps_cur_sps->u1_profile_idc)
+            {
+                num_entries *= 2;
+            }
 
             size = num_entries * sizeof(void *);
             size += PAD_MAP_IDX_POC * sizeof(void *);
diff --git a/decoder/ih264d_parse_slice.c b/decoder/ih264d_parse_slice.c
index eef9db5..fa85aa1 100644
--- a/decoder/ih264d_parse_slice.c
+++ b/decoder/ih264d_parse_slice.c
@@ -344,15 +344,12 @@ WORD32 ih264d_start_of_pic(dec_struct_t *ps_dec,
     ps_dec->ps_nmb_info = ps_dec->ps_frm_mb_info;
     if(ps_dec->u1_separate_parse)
     {
-        UWORD16 pic_wd = ps_dec->u4_width_at_init;
-        UWORD16 pic_ht = ps_dec->u4_height_at_init;
+        UWORD16 pic_wd;
+        UWORD16 pic_ht;
         UWORD32 num_mbs;
 
-        if((NULL != ps_dec->ps_cur_sps) && (1 == (ps_dec->ps_cur_sps->u1_is_valid)))
-        {
-            pic_wd = ps_dec->u2_pic_wd;
-            pic_ht = ps_dec->u2_pic_ht;
-        }
+        pic_wd = ps_dec->u2_pic_wd;
+        pic_ht = ps_dec->u2_pic_ht;
         num_mbs = (pic_wd * pic_ht) >> 8;
 
         if(ps_dec->pu1_dec_mb_map)
@@ -546,18 +543,13 @@ WORD32 ih264d_start_of_pic(dec_struct_t *ps_dec,
                     << 2);
 
     ps_dec->ps_cur_mb_row = ps_dec->ps_nbr_mb_row; //[0];
-    ps_dec->ps_cur_mb_row++; //Increment by 1 ,so that left mb will always be valid
-    ps_dec->ps_top_mb_row =
-                    ps_dec->ps_nbr_mb_row
-                                    + ((ps_dec->u2_frm_wd_in_mbs + 1)
-                                                    << (1
-                                                                    - ps_dec->ps_cur_sps->u1_frame_mbs_only_flag));
-    ps_dec->ps_top_mb_row++; //Increment by 1 ,so that left mb will always be valid
-
-    ps_dec->pu1_y = ps_dec->pu1_y_scratch[0];
-    ps_dec->pu1_u = ps_dec->pu1_u_scratch[0];
-    ps_dec->pu1_v = ps_dec->pu1_v_scratch[0];
-    ps_dec->u1_yuv_scratch_idx = 0;
+    //Increment by 2 ,so that left mb (mbaff decrements by 2)  will always be valid
+    ps_dec->ps_cur_mb_row += 2;
+    ps_dec->ps_top_mb_row = ps_dec->ps_nbr_mb_row;
+    ps_dec->ps_top_mb_row += ((ps_dec->u2_frm_wd_in_mbs + 2) << (1 - ps_dec->ps_cur_sps->u1_frame_mbs_only_flag));
+    //Increment by 2 ,so that left mb (mbaff decrements by 2)  will always be valid
+    ps_dec->ps_top_mb_row += 2;
+
     /* CHANGED CODE */
     ps_dec->ps_mv_cur = ps_dec->s_cur_pic.ps_mv;
     ps_dec->ps_mv_top = ps_dec->ps_mv_top_p[0];
@@ -566,10 +558,6 @@ WORD32 ih264d_start_of_pic(dec_struct_t *ps_dec,
     ps_dec->u1_mb_idx = 0;
     /* CHANGED CODE */
     ps_dec->ps_mv_left = ps_dec->s_cur_pic.ps_mv;
-    ps_dec->pu1_yleft = 0;
-    ps_dec->pu1_uleft = 0;
-    ps_dec->pu1_vleft = 0;
-    ps_dec->u1_not_wait_rec = 2;
     ps_dec->u2_total_mbs_coded = 0;
     ps_dec->i4_submb_ofst = -(SUB_BLK_SIZE);
     ps_dec->u4_pred_info_idx = 0;
@@ -610,8 +598,6 @@ WORD32 ih264d_start_of_pic(dec_struct_t *ps_dec,
                     + ps_dec->u2_frm_wd_in_mbs * BLK8x8SIZE;
 
     ps_dec->ps_deblk_mbn = ps_dec->ps_deblk_pic;
-    ps_dec->ps_deblk_mbn_curr = ps_dec->ps_deblk_mbn;
-    ps_dec->ps_deblk_mbn_prev = ps_dec->ps_deblk_mbn + ps_dec->u1_recon_mb_grp;
     /* Initialize The Function Pointer Depending Upon the Entropy and MbAff Flag */
     {
         if(ps_cur_slice->u1_mbaff_frame_flag)
@@ -770,7 +756,7 @@ WORD32 ih264d_end_of_pic_dispbuf_mgr(dec_struct_t * ps_dec)
                     ih264d_reset_ref_bufs(ps_dec->ps_dpb_mgr);
                 ih264d_release_display_bufs(ps_dec);
             }
-            if(ps_dec->u4_num_reorder_frames_at_init != 0)
+            if(IVD_DECODE_FRAME_OUT != ps_dec->e_frm_out_mode)
             {
                 ret = ih264d_assign_display_seq(ps_dec);
                 if(ret != OK)
@@ -854,7 +840,7 @@ WORD32 ih264d_end_of_pic_dispbuf_mgr(dec_struct_t * ps_dec)
                         || ((TOP_FIELD_ONLY | BOT_FIELD_ONLY)
                                         == ps_dec->u1_top_bottom_decoded))
         {
-            if(ps_dec->u4_num_reorder_frames_at_init == 0)
+            if(IVD_DECODE_FRAME_OUT == ps_dec->e_frm_out_mode)
             {
                 ret = ih264d_assign_display_seq(ps_dec);
                 if(ret != OK)
@@ -1854,8 +1840,17 @@ WORD32 ih264d_parse_decode_slice(UWORD8 u1_is_idr_slice,
         WORD32 size;
         UWORD8 *pu1_buf;
 
-        num_entries = MIN(MAX_FRAMES, ps_dec->u4_num_ref_frames_at_init);
-        num_entries = 2 * ((2 * num_entries) + 1);
+        num_entries = MAX_FRAMES;
+        if((1 >= ps_dec->ps_cur_sps->u1_num_ref_frames) &&
+            (0 == ps_dec->i4_display_delay))
+        {
+            num_entries = 1;
+        }
+        num_entries = ((2 * num_entries) + 1);
+        if(BASE_PROFILE_IDC != ps_dec->ps_cur_sps->u1_profile_idc)
+        {
+            num_entries *= 2;
+        }
 
         size = num_entries * sizeof(void *);
         size += PAD_MAP_IDX_POC * sizeof(void *);
diff --git a/decoder/ih264d_process_pslice.c b/decoder/ih264d_process_pslice.c
index 2c7446e..95ac557 100644
--- a/decoder/ih264d_process_pslice.c
+++ b/decoder/ih264d_process_pslice.c
@@ -97,7 +97,6 @@ WORD32 ih264d_mv_pred_ref_tfr_nby2_pmb(dec_struct_t * ps_dec,
         *ps_mv_pred = ps_dec->s_default_mv_pred;
 
         ps_dec->i4_submb_ofst += SUB_BLK_SIZE;
-        ps_dec->u2_wait_id = i;
 
         /* Restore the slice scratch MbX and MbY context */
         ps_cur_mb_info = ps_dec->ps_nmb_info + i;
diff --git a/decoder/ih264d_structs.h b/decoder/ih264d_structs.h
index 062747b..4260393 100644
--- a/decoder/ih264d_structs.h
+++ b/decoder/ih264d_structs.h
@@ -581,12 +581,6 @@ typedef struct
 
 typedef struct
 {
-    UWORD8 *pu1_mb_y; /* pointer to N-Mb pad buffer Y (Horz)        */
-    UWORD8 *pu1_mb_u; /* pointer to N-Mb pad buffer U (Horz)        */
-    UWORD8 *pu1_mb_v; /* pointer to N-Mb pad buffer V (Horz)        */
-    UWORD8 *pu1_row_y; /* pointer to row pad buffer Y (Vert)         */
-    UWORD8 *pu1_row_u; /* pointer to row pad buffer U (Vert)         */
-    UWORD8 *pu1_row_v; /* pointer to row pad buffer V (Vert)         */
     UWORD8 u1_vert_pad_top; /* flip-flop u4_flag remembering pad area (Vert) */
     UWORD8 u1_vert_pad_bot; /* flip-flop u4_flag remembering pad area (Vert) */
     UWORD8 u1_horz_pad; /* flip-flop u4_flag remembering pad area (Vert) */
@@ -594,13 +588,6 @@ typedef struct
     UWORD8 u1_pad_len_cr_v; /* vertical pad amount for chroma             */
 } pad_mgr_t;
 
-typedef struct code_overlay_ctxt
-{
-    UWORD8 u1_pb_slice_type;
-    UWORD8 u1_entropy_coding_type;
-    UWORD8 u1_mbaff_frame_flag;
-    UWORD8 u1_b_direct_flag;
-} code_overlay_ctxt_t;
 
 #define ACCEPT_ALL_PICS   (0x00)
 #define REJECT_CUR_PIC    (0x01)
@@ -875,16 +862,10 @@ typedef struct _DecStruct
 
     UWORD8 *pu1_left_yuv_dc_csbp;
 
-    /* c64x_map.inc takes care of only this part
-     If you change/add any members above this,
-     modify c64x_map.inc accordingly */
-
-    void **pp_ext_g_table_ptr;
 
     deblkmb_neighbour_t deblk_left_mb[2];
     deblkmb_neighbour_t *ps_deblk_top_mb;
     neighbouradd_t (*ps_left_mvpred_addr)[2]; /* Left MvPred Address Ping Pong*/
-//  neighbouradd_t  *ps_topMvPredAdd;
 
     /***************************************************************************/
     /*       Ref_idx contexts  are stored in the following way                 */
@@ -964,7 +945,7 @@ typedef struct _DecStruct
     pic_buffer_t **ps_ref_pic_buf_lx[2];
     /* refIdx to POC mapping */
     void **ppv_map_ref_idx_to_poc;
-    UWORD32 *pu4_defI_wts_ofsts;
+    void **ppv_map_ref_idx_to_poc_base;
     UWORD32 *pu4_wts_ofsts_mat;
     UWORD32 *pu4_wt_ofsts;
     UWORD32 *pu4_mbaff_wt_mat;
@@ -1011,21 +992,8 @@ typedef struct _DecStruct
 
     UWORD32 u4_intra_pred_line_ofst;
 
-    /* Scratch ping reconstruction pointers for Y U V */
-    UWORD8 *pu1_y_scratch[2];
-    UWORD8 *pu1_u_scratch[2];
-    UWORD8 *pu1_v_scratch[2];
-    UWORD8 u1_yuv_scratch_idx;
-    UWORD8 u1_not_wait_rec;
     UWORD8 u1_res_changed;
 
-    UWORD8 *pu1_yleft; /** Left Y pointer, used for intra-pred */
-    UWORD8 *pu1_uleft; /** Left U pointer, used for intra-pred */
-    UWORD8 *pu1_vleft; /** Left V pointer, used for intra-pred */
-    UWORD8 u1_y_topleft[2]; /** Left Y pointer, used for intra-pred */
-    UWORD8 u1_u_topleft[2]; /** Left U pointer, used for intra-pred */
-    UWORD8 u1_v_topleft[2]; /** Left V pointer, used for intra-pred */
-
     mv_pred_t *ps_mv_cur; /** pointer to current motion vector bank */
     mv_pred_t *ps_mv_top; /** pointer to top motion vector bank */
     mv_pred_t *ps_mv_top_right2;/** Pointer to top right motion vector bank */
@@ -1034,9 +1002,6 @@ typedef struct _DecStruct
     UWORD8 u1_mv_top_p;
 
     deblk_mb_t *ps_deblk_mbn;
-    deblk_mb_t *ps_deblk_mbn_dec_thrd;/*pointer used by parsing when spearaet_parse is 1*/
-    deblk_mb_t *ps_deblk_mbn_curr;
-    deblk_mb_t *ps_deblk_mbn_prev;
 
     UWORD8 *pu1_temp_mc_buffer;
 
@@ -1053,13 +1018,6 @@ typedef struct _DecStruct
 
     /* Variables used for gaps in frame number */
     UWORD16 u2_prev_ref_frame_num;
-    UWORD8 u1_vert_up_scale_flag;
-    iv_mem_rec_t *ps_mem_tab;
-
-    UWORD16 u2_wait_id;
-
-    void *pi4_ctxt_save_register;
-    void *pi4_ctxt_save_register_dec;
 
     UWORD8 u1_mb_idx;
     struct pic_buffer_t *ps_col_pic;
@@ -1099,39 +1057,20 @@ typedef struct _DecStruct
     prev_seq_params_t s_prev_seq_params;
     UWORD8 u1_cur_mb_fld_dec_flag; /* current Mb fld or Frm */
 
-    code_overlay_ctxt_t s_code_overlay_ctxt;
-    UWORD8 u1_code_overlay;
-
-//  WORD8 *pi1_cur_predmodes;
     WORD8 pi1_left_pred_mode[8];
     UWORD8 u1_topleft_mb_fld;
     UWORD8 u1_topleft_mbtype;
     UWORD8 u1_topleft_mb_fld_bot;
     UWORD8 u1_topleft_mbtype_bot;
-    UWORD8 u1_deblk_mb_grp;
     WORD16 i2_prev_slice_mbx;
     WORD16 i2_prev_slice_mby;
     UWORD16 u2_top_left_mask;
     UWORD16 u2_top_right_mask;
     dec_err_status_t * ps_dec_err_status;
 
-    UWORD32 *pu4_sos_signal;
     UWORD8 u1_mb_idx_mv;
     UWORD16 u2_mv_2mb[2];
-    UWORD32 u4_ref_buf_size;
-    UWORD32 u4_packet_cnt;
-    /* to remember the i4_status & input parameters from the sample app */
-    void *pv_dec_status; // itt_dec_status_t void pointer */
-    void *pv_dec_params; // itt_dec_prms_t void pointer
-    void *pv_app_ctxt;
     UWORD32 u4_skip_frm_mask;
-    void *pv_fmt_con_ctxt;
-    /* for the parallel format conversion */
-    UWORD8 *pu1_frmt_conv_y[3];
-    UWORD8 *pu1_frmt_conv_u[3];
-    UWORD8 *pu1_frmt_conv_v[3];
-    UWORD8 *pu1_deblk_scr;
-    UWORD32 u4_deblk_scr_sz;
 
     /* variable for finding the no.of mbs decoded in the current picture */
     UWORD16 u2_total_mbs_coded;
@@ -1149,11 +1088,6 @@ typedef struct _DecStruct
     /* To keep track of whether the last picture was decoded or not */
     /* in case of skip mode set by the application                  */
     UWORD8 u1_last_pic_not_decoded;
-    UWORD32 *pu4_return_remaining_bufs;
-
-    /* Used for disabling deblocking of non-reference pictures */
-    WORD32 i4_set_low_complexity_mode;
-    WORD32 i4_disable_deblock;
 
     WORD32 e_dec_status;
     UWORD32 u4_num_fld_in_frm;
@@ -1261,11 +1195,7 @@ typedef struct _DecStruct
     UWORD8 u1_chroma_format;
     UWORD8 u1_pic_decode_done;
     UWORD8 u1_slice_header_done;
-    UWORD32 u4_level_at_init;
-    UWORD32 u4_width_at_init;
-    UWORD32 u4_height_at_init;
     WORD32 init_done;
-    WORD32 process_called;
 
     /******************************************/
     /* For the high profile related variables */
@@ -1282,12 +1212,14 @@ typedef struct _DecStruct
     UWORD8 u1_top_bottom_decoded;
     UWORD8 u1_dangling_field;
 
-    /*
-     * For Low Memory case
-     */
-    UWORD32 u4_num_ref_frames_at_init;
-    UWORD32 u4_num_reorder_frames_at_init;
-    UWORD32 u4_num_extra_disp_bufs_at_init;
+    IVD_DISPLAY_FRAME_OUT_MODE_T                e_frm_out_mode;
+
+    UWORD8 *pu1_bits_buf_static;
+    UWORD8 *pu1_bits_buf_dynamic;
+
+    UWORD32 u4_static_bits_buf_size;
+    UWORD32 u4_dynamic_bits_buf_size;
+
     UWORD32 u4_num_disp_bufs_requested;
     WORD32 i4_display_delay;
     UWORD32 u4_slice_start_code_found;
@@ -1329,7 +1261,6 @@ typedef struct _DecStruct
     UWORD32 u4_fmt_conv_cur_row;
     ivd_out_bufdesc_t *ps_out_buffer;
     ivd_get_display_frame_op_t s_disp_op;
-    UWORD32 u4_stop_threads;
     UWORD32 u4_output_present;
 
     volatile UWORD16 cur_dec_mb_num;
@@ -1410,6 +1341,18 @@ typedef struct _DecStruct
 
     UWORD8 au1_pic_buf_ref_flag[MAX_DISP_BUFS_NEW];
 
+    struct pic_buffer_t *ps_pic_buf_base;
+
+    UWORD8 *pu1_ref_buff_base;
+    col_mv_buf_t *ps_col_mv_base;
+    void *(*pf_aligned_alloc)(void *pv_mem_ctxt, WORD32 alignment, WORD32 size);
+    void (*pf_aligned_free)(void *pv_mem_ctxt, void *pv_buf);
+    void *pv_mem_ctxt;
+
+    UWORD8 *pu1_pic_buf_base;
+    UWORD8 *pu1_mv_bank_buf_base;
+    UWORD8 *pu1_init_dpb_base;
+
     ih264_default_weighted_pred_ft *pf_default_weighted_pred_luma;
 
     ih264_default_weighted_pred_ft *pf_default_weighted_pred_chroma;
diff --git a/decoder/ih264d_thread_parse_decode.c b/decoder/ih264d_thread_parse_decode.c
index f3da270..131c808 100644
--- a/decoder/ih264d_thread_parse_decode.c
+++ b/decoder/ih264d_thread_parse_decode.c
@@ -534,13 +534,7 @@ WORD32 ih264d_decode_slice_thread(dec_struct_t *ps_dec)
     ps_trns_addr->pu1_mb_v = ps_trns_addr->pu1_dest_v;
 
 
-    /**********Number of Mbs in Slice**********/
-
-    ps_dec->ps_deblk_mbn_dec_thrd = ps_dec->ps_deblk_pic
-                    + (u2_first_mb_in_slice << u1_mbaff);
-
     /* Initialise MC and formMbPartInfo fn ptrs one time based on profile_idc */
-
     {
         ps_dec->p_mc_dec_thread = ih264d_motion_compensate_bp;
         ps_dec->p_form_mb_part_info_thread = ih264d_form_mb_part_info_bp;
diff --git a/decoder/ih264d_utils.c b/decoder/ih264d_utils.c
index a4896c0..d388421 100644
--- a/decoder/ih264d_utils.c
+++ b/decoder/ih264d_utils.c
@@ -550,16 +550,6 @@ WORD32 ih264d_end_of_pic_processing(dec_struct_t *ps_dec)
         u1_pic_type = TOP_REF | BOT_REF;
     ps_dec->ps_cur_pic->u1_pic_type |= u1_pic_type;
 
-#if ROW_ACCESSES_STAT
-    {
-        H264_DEC_DEBUG_PRINT("Row_Accesses_BeforeBB = %6d, Row_Accesses_AfterBB = %6d \n\n",
-                        gui_Row_Accesses_BeforeBB, gui_Row_Accesses_AfterBB);
-        gui_Row_Accesses_BeforeBBTotal += gui_Row_Accesses_BeforeBB;
-        gui_Row_Accesses_AfterBBTotal += gui_Row_Accesses_AfterBB;
-        gui_Row_Accesses_AfterBB = 0;
-        gui_Row_Accesses_BeforeBB = 0;
-    }
-#endif
 
     if(ps_cur_slice->u1_field_pic_flag)
     {
@@ -591,13 +581,12 @@ WORD32 ih264d_end_of_pic_processing(dec_struct_t *ps_dec)
 /*         28 04 2005   NS              Draft                                */
 /*                                                                           */
 /*****************************************************************************/
-WORD32 ih264d_get_dpb_size(dec_seq_params_t *ps_seq, dec_struct_t *ps_dec)
+WORD32 ih264d_get_dpb_size(dec_seq_params_t *ps_seq)
 {
     WORD32 i4_size;
     UWORD8 u1_level_idc;
 
-    u1_level_idc = ps_seq->u1_level_idc; //harcode for the time being
-    u1_level_idc = MIN(u1_level_idc, ps_dec->u4_level_at_init);
+    u1_level_idc = ps_seq->u1_level_idc;
 
     switch(u1_level_idc)
     {
@@ -661,121 +650,6 @@ WORD32 ih264d_get_dpb_size(dec_seq_params_t *ps_seq, dec_struct_t *ps_dec)
     return (i4_size);
 }
 
-WORD32 ih264d_get_dpb_size_new(UWORD32 u4_level_idc,
-                               UWORD32 u2_frm_wd_in_mbs,
-                               UWORD32 u2_frm_ht_in_mbs)
-{
-
-    UWORD32 i4_size = 0;
-
-    switch(u4_level_idc)
-    {
-        case 10:
-            i4_size = 152064;
-            break;
-        case 11:
-            i4_size = 345600;
-            break;
-        case 12:
-            i4_size = 912384;
-            break;
-        case 13:
-            i4_size = 912384;
-            break;
-        case 20:
-            i4_size = 912384;
-            break;
-        case 21:
-            i4_size = 1824768;
-            break;
-        case 22:
-            i4_size = 3110400;
-            break;
-        case 30:
-            i4_size = 3110400;
-            break;
-        case 31:
-            i4_size = 6912000;
-            break;
-        case 32:
-            i4_size = 7864320;
-            break;
-        case 40:
-            i4_size = 12582912;
-            break;
-        case 41:
-            i4_size = 12582912;
-            break;
-        case 42:
-            i4_size = 12582912;
-            break;
-        case 50:
-            i4_size = 42393600;
-            break;
-        case 51:
-            i4_size = 70778880;
-            break;
-        case 52:
-            i4_size = 70778880;
-            break;
-        default:
-        {
-            i4_size = 70778880;
-        }
-            break;
-    }
-
-    i4_size = i4_size / (u2_frm_wd_in_mbs * (u2_frm_ht_in_mbs));
-    i4_size = (i4_size + 383) / 384;
-    i4_size = MIN(i4_size, 16);
-    i4_size = MAX(i4_size, 1);
-    return (i4_size);
-}
-
-/*****************************************************************************/
-/*                                                                           */
-/*  Function Name : ih264d_max_possible_ref_pics                                    */
-/*                                                                           */
-/*  Description   : This function returns the maximum number of              */
-/*                  reference buffers corresponding to the current Level     */
-/*                  in accordance to "Table A-1  Level limits" in standard.  */
-/*                  Please refer to Annex A - Profiles and Levels            */
-/*                  Maximum Number of reference buffers are derived from     */
-/*                  the dbpsize and max_mbs_in frame given in the table      */
-/*  Inputs        : level number                                             */
-/*                                                                           */
-/*  Revision History:                                                        */
-/*                                                                           */
-/*         DD MM YYYY   Author(s)       Changes (Describe the changes made)  */
-/*         19 05 2005   SWRN            Draft                                */
-/*                                                                           */
-/*****************************************************************************/
-
-UWORD8 ih264d_max_possible_ref_pics(UWORD8 u1_level)
-{
-    switch(u1_level)
-    {
-        case H264_LEVEL_1_0:
-            return (MAX_REF_LEVEL_1_0);
-        case H264_LEVEL_1_1:
-            return (MAX_REF_LEVEL_1_1);
-        case H264_LEVEL_1_2:
-            return (MAX_REF_LEVEL_1_2);
-        case H264_LEVEL_1_3:
-            return (MAX_REF_LEVEL_1_3);
-        case H264_LEVEL_2_0:
-            return (MAX_REF_LEVEL_2_0);
-        case H264_LEVEL_2_1:
-            return (MAX_REF_LEVEL_2_1);
-        case H264_LEVEL_2_2:
-            return (MAX_REF_LEVEL_2_2);
-        case H264_LEVEL_3_0:
-            return (MAX_REF_LEVEL_3_0);
-    }
-
-    return (H264_MAX_REF_PICS);
-}
-
 /***************************************************************************/
 /* If change in Level or the required PicBuffers i4_size is more than the  */
 /* current one FREE the current PicBuffers and allocate affresh            */
@@ -829,92 +703,9 @@ WORD32 ih264d_init_dec_mb_grp(dec_struct_t *ps_dec)
     return OK;
 }
 
-/*!
- **************************************************************************
- * \if Function name : ih264d_get_numbuf_dpb_bank \endif
- *
- * \brief
- *    Initializes the picture.
- *
- * \return
- *    0 on Success and Error code otherwise
- *
- * \note
- *    This function is called when first slice of the
- *    NON -IDR picture is encountered.
- **************************************************************************
- */
-WORD32 ih264d_get_numbuf_dpb_bank(dec_struct_t *ps_dec, UWORD32 u4_frame_wd, UWORD32 u4_frame_ht)
-{
-    WORD32 i4_DPB_size;
-    WORD32 i4_pic_size;
-    WORD32 i4_num_buf_alloc;
-    UWORD32 Ysize;
-    UWORD32 UVsize;
-    UWORD32 one_frm_size;
-
-
-    i4_DPB_size = ps_dec->ps_mem_tab[MEM_REC_REF_PIC].u4_mem_size;
-
-    Ysize = u4_frame_wd * u4_frame_ht;
-
-    UVsize = Ysize >> 2;
-
-    {
-        if(ps_dec->u4_share_disp_buf == 1)
-        {
-            /* In case of buffers getting shared between application and library
-             there is no need of reference memtabs. Instead of setting the i4_size
-             to zero, it is reduced to a small i4_size to ensure that changes
-             in the code are minimal */
-            if((ps_dec->u1_chroma_format == IV_YUV_420SP_UV)
-                            || (ps_dec->u1_chroma_format == IV_YUV_420SP_VU)
-                            || (ps_dec->u1_chroma_format == IV_YUV_420P))
-            {
-                Ysize = 64;
-            }
-            if(ps_dec->u1_chroma_format == IV_YUV_420SP_UV)
-            {
-                UVsize = 64;
-            }
-
-        }
-    }
-
-    one_frm_size = (((Ysize + 127) >> 7) << 7)
-                    + ((((UVsize << 1) + 127) >> 7) << 7);
-    i4_num_buf_alloc = i4_DPB_size / (one_frm_size);
-
-    return i4_num_buf_alloc;
-}
 
 /*!
  **************************************************************************
- * \if Function name : ih264d_get_numbuf_mv_bank \endif
- *
- * \brief
- *    Computes number of MVbank buffers that can be allocated.
- *
- * \return
- *    Number of MV bank buffers that can be allocated.
- *
- * \note
- **************************************************************************
- */
-UWORD32 ih264d_get_numbuf_mv_bank(dec_struct_t *ps_dec, UWORD32 width,
-                                  UWORD32 height)
-{
-    UWORD32 u4_mv_bank_size,one_frame_size;
-    UWORD32 u4_num_buf_alloc;
-
-    u4_mv_bank_size = ps_dec->ps_mem_tab[MEM_REC_MVBANK].u4_mem_size;
-    one_frame_size = sizeof(mv_pred_t)
-                    * ((width * (height + PAD_MV_BANK_ROW)) >> 4);
-    u4_num_buf_alloc = u4_mv_bank_size / one_frame_size;
-    return u4_num_buf_alloc;
-}
-/*!
- **************************************************************************
  * \if Function name : ih264d_init_pic \endif
  *
  * \brief
@@ -972,59 +763,44 @@ WORD32 ih264d_init_pic(dec_struct_t *ps_dec,
     if(!ps_dec->u1_init_dec_flag
                     || ih264d_is_sps_changed(ps_prev_seq_params, ps_seq))
     {
+        ps_dec->u1_max_dec_frame_buffering = ih264d_get_dpb_size(ps_seq);
 
+        ps_dec->i4_display_delay = ps_dec->u1_max_dec_frame_buffering;
+        if((1 == ps_seq->u1_vui_parameters_present_flag) &&
+           (1 == ps_seq->s_vui.u1_bitstream_restriction_flag))
+        {
+            if(ps_seq->u1_frame_mbs_only_flag == 1)
+                ps_dec->i4_display_delay = ps_seq->s_vui.u4_num_reorder_frames + 1;
+            else
+                ps_dec->i4_display_delay = ps_seq->s_vui.u4_num_reorder_frames * 2 + 2;
+        }
 
-        ivd_video_decode_ip_t *ps_dec_in = ps_dec->pv_dec_in;
-        ivd_video_decode_op_t *ps_dec_out = ps_dec->pv_dec_out;
+        if(IVD_DECODE_FRAME_OUT == ps_dec->e_frm_out_mode)
+            ps_dec->i4_display_delay = 0;
 
         if(ps_dec->u4_share_disp_buf == 0)
         {
-            i4_pic_bufs = ih264d_get_numbuf_dpb_bank(ps_dec, ps_dec->u2_frm_wd_y,
-                                              ps_dec->u2_frm_ht_y);
+            if(ps_seq->u1_frame_mbs_only_flag == 1)
+                ps_dec->u1_pic_bufs = ps_dec->i4_display_delay + ps_seq->u1_num_ref_frames + 1;
+            else
+                ps_dec->u1_pic_bufs = ps_dec->i4_display_delay + ps_seq->u1_num_ref_frames * 2 + 2;
         }
         else
         {
-            i4_pic_bufs = (WORD32)ps_dec->u4_num_disp_bufs;
+            ps_dec->u1_pic_bufs = (WORD32)ps_dec->u4_num_disp_bufs;
         }
 
-        ps_dec->u1_pic_bufs = CLIP_U8(i4_pic_bufs);
+        /* Ensure at least two buffers are allocated */
+        ps_dec->u1_pic_bufs = MAX(ps_dec->u1_pic_bufs, 2);
 
         if(ps_dec->u4_share_disp_buf == 0)
             ps_dec->u1_pic_bufs = MIN(ps_dec->u1_pic_bufs,
                                       (H264_MAX_REF_PICS * 2));
 
-        ps_dec->u1_max_dec_frame_buffering = ih264d_get_dpb_size(ps_seq,
-                                                                 ps_dec);
-
-        ps_dec->u1_max_dec_frame_buffering = MIN(
-                        ps_dec->u1_max_dec_frame_buffering,
-                        ps_dec->u4_num_ref_frames_at_init);
         ps_dec->u1_max_dec_frame_buffering = MIN(
                         ps_dec->u1_max_dec_frame_buffering,
                         ps_dec->u1_pic_bufs);
 
-//   ps_dec->u1_pic_bufs = ps_dec->i1_max_dec_frame_buffering;
-
-        /* Fix is for handling one pic in and one pic out incase of */
-        /* MMCO 5 or IDR                                            */
-
-        ps_dec->i4_display_delay = MIN(ps_dec->u4_num_reorder_frames_at_init,
-                                       ps_dec->u1_max_dec_frame_buffering);
-
-        if(1 == ps_seq->u1_vui_parameters_present_flag)
-        {
-            if(ps_seq->u1_frame_mbs_only_flag == 1)
-                ps_dec->i4_display_delay = MIN(
-                                (UWORD32 )ps_dec->i4_display_delay,
-                                ((UWORD32 )ps_seq->s_vui.u4_num_reorder_frames
-                                                + 1));
-            else
-                ps_dec->i4_display_delay = MIN(
-                                (UWORD32 )ps_dec->i4_display_delay,
-                                ((UWORD32 )ps_seq->s_vui.u4_num_reorder_frames
-                                                + 1) * 2);
-        }
-
         /* Temporary hack to run Tractor Cav/Cab/MbAff Profiler streams  also for CAFI1_SVA_C.264 in conformance*/
         if(ps_dec->u1_init_dec_flag)
         {
@@ -1046,12 +822,21 @@ WORD32 ih264d_init_pic(dec_struct_t *ps_dec,
                 return ret;
         }
 
+        ret = ih264d_allocate_dynamic_bufs(ps_dec);
+        if(ret != OK)
+        {
+            /* Free any dynamic buffers that are allocated */
+            ih264d_free_dynamic_bufs(ps_dec);
+            ps_dec->i4_error_code = IVD_MEM_ALLOC_FAILED;
+            return IVD_MEM_ALLOC_FAILED;
+        }
+
         ret = ih264d_create_pic_buffers(ps_dec->u1_pic_bufs,
                                         ps_dec);
         if(ret != OK)
             return ret;
 
-        ih264d_get_memory_dec_params(ps_dec);
+
 
         ret = ih264d_create_mv_bank(ps_dec, ps_dec->u2_pic_wd,
                                     ps_dec->u2_pic_ht);
@@ -1897,26 +1682,11 @@ WORD32 ih264d_create_pic_buffers(UWORD8 u1_num_of_buf,
     UWORD32 u4_luma_size, u4_chroma_size;
     UWORD8 u1_frm = ps_dec->ps_cur_sps->u1_frame_mbs_only_flag;
     WORD32 j;
-    UWORD32 u4_pic_buf_mem_used, u4_ref_buf_mem_used;
-    UWORD8 *pu1_pic_buf_mem_base, *pu1_ref_buf_mem_base;
-
-    u4_pic_buf_mem_used = 0;
-    pu1_pic_buf_mem_base = ps_dec->ps_mem_tab[MEM_REC_PIC_BUF_MGR].pv_base;
+    UWORD8 *pu1_buf;
 
-    ps_dec->pv_disp_buf_mgr = (void *)(pu1_pic_buf_mem_base
-                    + u4_pic_buf_mem_used);
-    u4_pic_buf_mem_used += sizeof(disp_mgr_t);
+    ps_pic_buf = ps_dec->ps_pic_buf_base;
     ih264_disp_mgr_init((disp_mgr_t *)ps_dec->pv_disp_buf_mgr);
-
-    ps_dec->pv_pic_buf_mgr =
-                    (void *)(pu1_pic_buf_mem_base + u4_pic_buf_mem_used);
-    u4_pic_buf_mem_used += sizeof(buf_mgr_t) + ithread_get_mutex_lock_size();
     ih264_buf_mgr_init((buf_mgr_t *)ps_dec->pv_pic_buf_mgr);
-
-    ps_pic_buf = (pic_buffer_t *)(pu1_pic_buf_mem_base + u4_pic_buf_mem_used);
-    u4_pic_buf_mem_used += sizeof(struct pic_buffer_t)
-                    * (H264_MAX_REF_PICS * 2);
-
     u4_luma_size = ps_dec->u2_frm_wd_y * ps_dec->u2_frm_ht_y;
     u4_chroma_size = ps_dec->u2_frm_wd_uv * ps_dec->u2_frm_ht_uv;
 
@@ -1935,7 +1705,6 @@ WORD32 ih264d_create_pic_buffers(UWORD8 u1_num_of_buf,
             }
 
             if(ps_dec->u1_chroma_format == IV_YUV_420SP_UV)
-
             {
                 u4_chroma_size = 64;
             }
@@ -1943,8 +1712,7 @@ WORD32 ih264d_create_pic_buffers(UWORD8 u1_num_of_buf,
         }
     }
 
-    pu1_ref_buf_mem_base = ps_dec->ps_mem_tab[MEM_REC_REF_PIC].pv_base;
-    u4_ref_buf_mem_used = 0;
+    pu1_buf = ps_dec->pu1_pic_buf_base;
 
     /* Allocate memory for refernce buffers */
     for(i = 0; i < u1_num_of_buf; i++)
@@ -1952,11 +1720,12 @@ WORD32 ih264d_create_pic_buffers(UWORD8 u1_num_of_buf,
         UWORD32 u4_offset;
         WORD32 buf_ret;
         UWORD8 *pu1_luma, *pu1_chroma;
+        void *pv_mem_ctxt = ps_dec->pv_mem_ctxt;
 
-        pu1_luma = pu1_ref_buf_mem_base + u4_ref_buf_mem_used;
-        u4_ref_buf_mem_used += u4_luma_size;
-        pu1_chroma = pu1_ref_buf_mem_base + u4_ref_buf_mem_used;
-        u4_ref_buf_mem_used += u4_chroma_size;
+        pu1_luma = pu1_buf;
+        pu1_buf += ALIGN64(u4_luma_size);
+        pu1_chroma = pu1_buf;
+        pu1_buf += ALIGN64(u4_chroma_size);
 
         /* Offset to the start of the pic from the top left corner of the frame
          buffer */
@@ -2015,9 +1784,7 @@ WORD32 ih264d_create_pic_buffers(UWORD8 u1_num_of_buf,
 
                 ps_dec->disp_bufs[i].u4_ofst[1] = u4_offset;
                 ps_dec->disp_bufs[i].u4_ofst[2] = u4_offset;
-
             }
-
         }
 
         ps_pic_buf->u2_frm_ht_y = ps_dec->u2_frm_ht_y;
@@ -2039,13 +1806,6 @@ WORD32 ih264d_create_pic_buffers(UWORD8 u1_num_of_buf,
         ps_pic_buf++;
     }
 
-    if((u4_ref_buf_mem_used > ps_dec->ps_mem_tab[MEM_REC_REF_PIC].u4_mem_size) ||
-                    (u4_pic_buf_mem_used > ps_dec->ps_mem_tab[MEM_REC_PIC_BUF_MGR].u4_mem_size))
-    {
-        ps_dec->i4_error_code = ERROR_BUF_MGR;
-        return ERROR_BUF_MGR;
-    }
-
     if(1 == ps_dec->u4_share_disp_buf)
     {
         for(i = 0; i < u1_num_of_buf; i++)
@@ -2056,7 +1816,7 @@ WORD32 ih264d_create_pic_buffers(UWORD8 u1_num_of_buf,
 
 /*!
  **************************************************************************
- * \if Function name : ih264d_get_memory_dec_params \endif
+ * \if Function name : ih264d_allocate_dynamic_bufs \endif
  *
  * \brief
  *    This function allocates memory required by Decoder.
@@ -2068,7 +1828,7 @@ WORD32 ih264d_create_pic_buffers(UWORD8 u1_num_of_buf,
  *
  **************************************************************************
  */
-WORD16 ih264d_get_memory_dec_params(dec_struct_t * ps_dec)
+WORD16 ih264d_allocate_dynamic_bufs(dec_struct_t * ps_dec)
 {
     struct MemReq s_MemReq;
     struct MemBlock *p_MemBlock;
@@ -2093,330 +1853,237 @@ WORD16 ih264d_get_memory_dec_params(dec_struct_t * ps_dec)
     UWORD32 ui_size = 0;
     UWORD32 u4_int_scratch_size = 0, u4_ref_pred_size = 0;
     UWORD8 *pu1_buf;
+    WORD32 num_entries;
+    WORD32 size;
+    void *pv_buf;
+    UWORD32 u4_num_bufs;
+    UWORD32 u4_luma_size, u4_chroma_size;
+    void *pv_mem_ctxt = ps_dec->pv_mem_ctxt;
+
+    size = u4_total_mbs;
+    pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->pu1_dec_mb_map = pv_buf;
+
+    size = u4_total_mbs;
+    pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->pu1_recon_mb_map = pv_buf;
+
+    size = u4_total_mbs * sizeof(UWORD16);
+    pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->pu2_slice_num_map = pv_buf;
+
+    /************************************************************/
+    /* Post allocation Initialisations                          */
+    /************************************************************/
+    ps_dec->ps_parse_cur_slice = &(ps_dec->ps_dec_slice_buf[0]);
+    ps_dec->ps_decode_cur_slice = &(ps_dec->ps_dec_slice_buf[0]);
+    ps_dec->ps_computebs_cur_slice = &(ps_dec->ps_dec_slice_buf[0]);
+
+    ps_dec->ps_pred_start = ps_dec->ps_pred;
+
+    size = sizeof(parse_pmbarams_t) * (ps_dec->u1_recon_mb_grp);
+    pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->ps_parse_mb_data = pv_buf;
+
+    size = sizeof(parse_part_params_t)
+                        * ((ps_dec->u1_recon_mb_grp) << 4);
+    pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->ps_parse_part_params = pv_buf;
 
-    ps_dec->ps_deblk_pic = ps_dec->ps_mem_tab[MEM_REC_DEBLK_MB_INFO].pv_base;
-    memset(ps_dec->ps_deblk_pic, 0, ps_dec->ps_mem_tab[MEM_REC_DEBLK_MB_INFO].u4_mem_size);
-
-    ps_dec->pu1_dec_mb_map = ps_dec->ps_mem_tab[MEM_REC_PARSE_MAP].pv_base;
-
-    ps_dec->pu1_recon_mb_map = ps_dec->ps_mem_tab[MEM_REC_PROC_MAP].pv_base;
-
-    ps_dec->pu2_slice_num_map =
-                    ps_dec->ps_mem_tab[MEM_REC_SLICE_NUM_MAP].pv_base;
-
-    ps_dec->ps_dec_slice_buf = ps_dec->ps_mem_tab[MEM_REC_SLICE_HDR].pv_base;
-    memset(ps_dec->ps_mem_tab[MEM_REC_SLICE_HDR].pv_base, 0,
-           ps_dec->ps_mem_tab[MEM_REC_SLICE_HDR].u4_mem_size);
-    pu1_buf = (UWORD8 *)ps_dec->ps_dec_slice_buf;
-    pu1_buf += sizeof(dec_slice_struct_t) * u4_total_mbs;
-    ps_dec->pv_map_ref_idx_to_poc_buf = (void *)pu1_buf;
-
-    ps_dec->ps_frm_mb_info = ps_dec->ps_mem_tab[MEM_REC_MB_INFO].pv_base;
-    memset(ps_dec->ps_frm_mb_info, 0, ps_dec->ps_mem_tab[MEM_REC_MB_INFO].u4_mem_size);
+    size = ((u4_wd_mbs * sizeof(deblkmb_neighbour_t)) << uc_frmOrFld);
+    pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->ps_deblk_top_mb = pv_buf;
 
-    ps_dec->ps_pred = ps_dec->ps_mem_tab[MEM_REC_PRED_INFO].pv_base;
+    size = ((sizeof(ctxt_inc_mb_info_t))
+                        * (((u4_wd_mbs + 1) << uc_frmOrFld) + 1));
+    pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->p_ctxt_inc_mb_map = pv_buf;
 
-    ps_dec->pi2_coeff_data = ps_dec->ps_mem_tab[MEM_REC_COEFF_DATA].pv_base;
+    size = (sizeof(mv_pred_t) * ps_dec->u1_recon_mb_grp
+                        * 16);
+    pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->ps_mv_p[0] = pv_buf;
 
-    ps_dec->pv_pic_tu_coeff_data = (void *)(ps_dec->pi2_coeff_data + MB_LUM_SIZE);
+    size = (sizeof(mv_pred_t) * ps_dec->u1_recon_mb_grp
+                        * 16);
+    pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->ps_mv_p[1] = pv_buf;
 
-    /*scratch memory allocations*/
     {
-        UWORD8 *pu1_scratch_mem_base;
-        UWORD32 u4_scratch_mem_used;
-
-        pu1_scratch_mem_base =
-                        ps_dec->ps_mem_tab[MEM_REC_INTERNAL_SCRATCH].pv_base;
-        u4_scratch_mem_used = 0;
-
-        ps_dec->ppv_map_ref_idx_to_poc = (void *)(pu1_scratch_mem_base
-                        + u4_scratch_mem_used);
-        u4_scratch_mem_used = ALIGN64(u4_scratch_mem_used);
-        u4_scratch_mem_used += ((TOTAL_LIST_ENTRIES + PAD_MAP_IDX_POC)
-                        * sizeof(void *));
-        u4_scratch_mem_used = ALIGN64(u4_scratch_mem_used);
-        memset(ps_dec->ppv_map_ref_idx_to_poc, 0, (TOTAL_LIST_ENTRIES + PAD_MAP_IDX_POC)
-                                * sizeof(void *));
-
-        ps_dec->p_cabac_ctxt_table_t = (void *)(pu1_scratch_mem_base
-                        + u4_scratch_mem_used);
-        u4_scratch_mem_used += (sizeof(bin_ctxt_model_t) * NUM_CABAC_CTXTS);
-        u4_scratch_mem_used = ALIGN64(u4_scratch_mem_used);
-
-        ps_dec->ps_left_mb_ctxt_info = (void *)(pu1_scratch_mem_base
-                        + u4_scratch_mem_used);
-        u4_scratch_mem_used += sizeof(ctxt_inc_mb_info_t);
-        u4_scratch_mem_used = ALIGN64(u4_scratch_mem_used);
-
-        ps_dec->pu4_defI_wts_ofsts = (void *)(pu1_scratch_mem_base
-                        + u4_scratch_mem_used);
-        u4_scratch_mem_used +=
-                        sizeof(UWORD32)
-                                        * (ps_sps->u1_num_ref_frames
-                                                        * ps_sps->u1_num_ref_frames);
-        u4_scratch_mem_used = ALIGN64(u4_scratch_mem_used);
-
-        ps_dec->pu1_ref_buff = pu1_scratch_mem_base + u4_scratch_mem_used + MAX_REF_BUF_SIZE;
-        u4_scratch_mem_used += MAX_REF_BUF_SIZE * 2;
-        u4_scratch_mem_used = ALIGN64(u4_scratch_mem_used);
-        ps_dec->pi2_pred1 =
-                        (void *)(pu1_scratch_mem_base + u4_scratch_mem_used);
-        u4_scratch_mem_used += ((sizeof(WORD16)) * PRED_BUFFER_WIDTH
-                        * PRED_BUFFER_HEIGHT * 2);
-        u4_scratch_mem_used = ALIGN64(u4_scratch_mem_used);
-
-        ps_dec->pu1_temp_mc_buffer = (void *)(pu1_scratch_mem_base
-                        + u4_scratch_mem_used);
-        u4_scratch_mem_used += sizeof(UWORD8) * (MB_LUM_SIZE);
-
-        ps_dec->ps_parse_mb_data = (void *)(pu1_scratch_mem_base
-                        + u4_scratch_mem_used);
-        u4_scratch_mem_used += sizeof(parse_pmbarams_t)
-                        * (ps_dec->u1_recon_mb_grp);
-        u4_scratch_mem_used = ALIGN64(u4_scratch_mem_used);
-
-        ps_dec->ps_parse_part_params = (void *)(pu1_scratch_mem_base
-                        + u4_scratch_mem_used);
-        u4_scratch_mem_used += sizeof(parse_part_params_t)
-                        * ((ps_dec->u1_recon_mb_grp) << 4);
-        u4_scratch_mem_used = ALIGN64(u4_scratch_mem_used);
-
-        ps_dec->ps_dpb_mgr->ps_init_dpb[0][0] =
-                        (struct pic_buffer_t*)(pu1_scratch_mem_base
-                                        + u4_scratch_mem_used);
-        u4_scratch_mem_used += 2 * MAX_REF_BUFS * sizeof(struct pic_buffer_t);
-
-        u4_scratch_mem_used = ALIGN64(u4_scratch_mem_used);
-        ps_dec->ps_dpb_mgr->ps_init_dpb[1][0] =
-                        (struct pic_buffer_t*)(pu1_scratch_mem_base + u4_scratch_mem_used);
-        u4_scratch_mem_used += 2 * MAX_REF_BUFS * sizeof(struct pic_buffer_t);
-        u4_scratch_mem_used = ALIGN64(u4_scratch_mem_used);
-        ps_dec->pu4_mbaff_wt_mat = (UWORD32 *)(pu1_scratch_mem_base + u4_scratch_mem_used);
-
-        u4_scratch_mem_used += (sizeof(UWORD32) * 3
-                        * (MAX_FRAMES * MAX_FRAMES))
-                        << 3;
-        u4_scratch_mem_used = ALIGN64(u4_scratch_mem_used);
-
-        ps_dec->pu4_wts_ofsts_mat = (UWORD32 *)(pu1_scratch_mem_base + u4_scratch_mem_used);
-        u4_scratch_mem_used += sizeof(UWORD32) * 2 * 3
-                        * (MAX_FRAMES * MAX_FRAMES);
-        u4_scratch_mem_used = ALIGN64(u4_scratch_mem_used);
-    }
-    /********************************************************************/
-    /* check whether deblk memory used is less than the scratch buffer  */
-    /* and assign deblocking pointers in the the reference buffers      */
-    /********************************************************************/
-    {
-        /************************************************************/
-        /* Post allocation Initialisations                          */
-        /************************************************************/
-        memset(ps_dec->ppv_map_ref_idx_to_poc, 0,
-               (TOTAL_LIST_ENTRIES + PAD_MAP_IDX_POC) * sizeof(void *));
-        ps_dec->ppv_map_ref_idx_to_poc += OFFSET_MAP_IDX_POC;
-
+        UWORD8 i;
+        for(i = 0; i < MV_SCRATCH_BUFS; i++)
         {
-            ps_dec->ps_parse_cur_slice = &(ps_dec->ps_dec_slice_buf[0]);
-            ps_dec->ps_decode_cur_slice = &(ps_dec->ps_dec_slice_buf[0]);
-            ps_dec->ps_computebs_cur_slice = &(ps_dec->ps_dec_slice_buf[0]);
-
-            ps_dec->ps_pred_start = ps_dec->ps_pred;
-            ps_dec->u4_ref_buf_size = MAX_REF_BUF_SIZE;
-        }
-
-        {
-            UWORD8 i;
-            struct pic_buffer_t *ps_init_dpb;
-            ps_init_dpb = ps_dec->ps_dpb_mgr->ps_init_dpb[0][0];
-            for(i = 0; i < 2 * MAX_REF_BUFS; i++)
-            {
-                ps_init_dpb->pu1_buf1 = NULL;
-                ps_init_dpb->u1_long_term_frm_idx = MAX_REF_BUFS + 1;
-                ps_dec->ps_dpb_mgr->ps_init_dpb[0][i] = ps_init_dpb;
-                ps_dec->ps_dpb_mgr->ps_mod_dpb[0][i] = ps_init_dpb;
-                ps_init_dpb++;
-            }
-
-            ps_init_dpb = ps_dec->ps_dpb_mgr->ps_init_dpb[1][0];
-            for(i = 0; i < 2 * MAX_REF_BUFS; i++)
-            {
-                ps_init_dpb->pu1_buf1 = NULL;
-                ps_init_dpb->u1_long_term_frm_idx = MAX_REF_BUFS + 1;
-                ps_dec->ps_dpb_mgr->ps_init_dpb[1][i] = ps_init_dpb;
-                ps_dec->ps_dpb_mgr->ps_mod_dpb[1][i] = ps_init_dpb;
-                ps_init_dpb++;
-            }
+            size = (sizeof(mv_pred_t)
+                            * ps_dec->u1_recon_mb_grp * 4);
+            pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size);
+            RETURN_IF((NULL == pv_buf), IV_FAIL);
+            ps_dec->ps_mv_top_p[i] = pv_buf;
         }
     }
 
-    /*persistent memory allocations*/
-
+    size = sizeof(UWORD8) * ((u4_wd_mbs + 1) * MB_SIZE) * 2;
+    pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->pu1_y_intra_pred_line = pv_buf;
+    memset(ps_dec->pu1_y_intra_pred_line, 0, size);
+
+    size = sizeof(UWORD8) * ((u4_wd_mbs + 1) * MB_SIZE) * 2;
+    pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->pu1_u_intra_pred_line = pv_buf;
+    memset(ps_dec->pu1_u_intra_pred_line, 0, size);
+
+    size = sizeof(UWORD8) * ((u4_wd_mbs + 1) * MB_SIZE) * 2;
+    pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->pu1_v_intra_pred_line = pv_buf;
+    memset(ps_dec->pu1_v_intra_pred_line, 0, size);
+
+    if(ps_dec->u1_separate_parse)
     {
-        UWORD8 *pu1_persitent_mem_base;
-        UWORD32 u4_persistent_mem_used;
-
-        pu1_persitent_mem_base =
-                        ps_dec->ps_mem_tab[MEM_REC_INTERNAL_PERSIST].pv_base;
-        u4_persistent_mem_used = 0;
-
-        ps_dec->ps_deblk_top_mb = (void *)(pu1_persitent_mem_base
-                        + u4_persistent_mem_used);
-        u4_persistent_mem_used += ((u4_wd_mbs
-                        * sizeof(deblkmb_neighbour_t)) << uc_frmOrFld);
-        u4_persistent_mem_used = ALIGN64(u4_persistent_mem_used);
-
-        ps_dec->ps_left_mvpred_addr = (void *)(pu1_persitent_mem_base
-                        + u4_persistent_mem_used);
-        u4_persistent_mem_used += (sizeof(neighbouradd_t) << 2);
-        u4_persistent_mem_used = ALIGN64(u4_persistent_mem_used);
-
-        ps_dec->p_ctxt_inc_mb_map = (void *)(pu1_persitent_mem_base
-                        + u4_persistent_mem_used);
-        u4_persistent_mem_used += ((sizeof(ctxt_inc_mb_info_t))
-                        * (((u4_wd_mbs + 1) << uc_frmOrFld) + 1));
-        u4_persistent_mem_used = ALIGN64(u4_persistent_mem_used);
-
-        ps_dec->ps_mv_p[0] = (void *)(pu1_persitent_mem_base
-                        + u4_persistent_mem_used);
-        u4_persistent_mem_used += (sizeof(mv_pred_t) * ps_dec->u1_recon_mb_grp
-                        * 16);
-        u4_persistent_mem_used = ALIGN64(u4_persistent_mem_used);
-
-        ps_dec->ps_mv_p[1] = (void *)(pu1_persitent_mem_base
-                        + u4_persistent_mem_used);
-        u4_persistent_mem_used += (sizeof(mv_pred_t) * ps_dec->u1_recon_mb_grp
-                        * 16);
-        u4_persistent_mem_used = ALIGN64(u4_persistent_mem_used);
+        size = sizeof(mb_neigbour_params_t)
+                        * 2 * ((u4_wd_mbs + 2) * u4_ht_mbs);
+    }
+    else
+    {
+        size = sizeof(mb_neigbour_params_t)
+                        * 2 * ((u4_wd_mbs + 2) << uc_frmOrFld);
+    }
+    pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
 
-        {
-            UWORD8 i;
-            for(i = 0; i < MV_SCRATCH_BUFS; i++)
-            {
+    ps_dec->ps_nbr_mb_row = pv_buf;
+    memset(ps_dec->ps_nbr_mb_row, 0, size);
 
-                ps_dec->ps_mv_top_p[i] = (void *)(pu1_persitent_mem_base
-                                + u4_persistent_mem_used);
-                u4_persistent_mem_used += (sizeof(mv_pred_t)
-                                * ps_dec->u1_recon_mb_grp * 4);
-                u4_persistent_mem_used = ALIGN64(u4_persistent_mem_used);
+    /* Allocate deblock MB info */
+    size = (u4_total_mbs + u4_wd_mbs) * sizeof(deblk_mb_t);
 
-            }
-        }
+    pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->ps_deblk_pic = pv_buf;
 
-        {
-            UWORD32 u4_numRows = MB_SIZE << 1;
+    memset(ps_dec->ps_deblk_pic, 0, size);
 
-            /* Allocate memory for ping, pong and left reconstruction buffers */
-            u4_blk_wd = ((ps_dec->u1_recon_mb_grp << 4) >> 1) + 8;
+    /* Allocate frame level mb info */
+    size = sizeof(dec_mb_info_t) * u4_total_mbs;
+    pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->ps_frm_mb_info = pv_buf;
+    memset(ps_dec->ps_frm_mb_info, 0, size);
 
-            ps_dec->pu1_y_scratch[0] = (void *)(pu1_persitent_mem_base
-                            + u4_persistent_mem_used);
-            u4_persistent_mem_used += sizeof(UWORD8) * u4_numRows * u4_blk_wd;
-            u4_persistent_mem_used = ALIGN64(u4_persistent_mem_used);
-
-            ps_dec->pu1_y_scratch[1] = (void *)(pu1_persitent_mem_base
-                            + u4_persistent_mem_used);
-            u4_persistent_mem_used += sizeof(UWORD8) * u4_numRows * u4_blk_wd;
-            u4_persistent_mem_used = ALIGN64(u4_persistent_mem_used);
+    /* Allocate memory for slice headers dec_slice_struct_t */
+    num_entries = MAX_FRAMES;
+    if((1 >= ps_dec->ps_cur_sps->u1_num_ref_frames) &&
+        (0 == ps_dec->i4_display_delay))
+    {
+        num_entries = 1;
+    }
+    num_entries = ((2 * num_entries) + 1);
+    if(BASE_PROFILE_IDC != ps_dec->ps_cur_sps->u1_profile_idc)
+    {
+        num_entries *= 2;
+    }
 
-            u4_numRows = BLK8x8SIZE << 1;
-            u4_blk_wd = ((ps_dec->u1_recon_mb_grp << 3) >> 1) + 8;
+    size = num_entries * sizeof(void *);
+    size += PAD_MAP_IDX_POC * sizeof(void *);
+    size *= u4_total_mbs;
+    size += sizeof(dec_slice_struct_t) * u4_total_mbs;
+    pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
 
-            ps_dec->pu1_u_scratch[0] = (void *)(pu1_persitent_mem_base
-                            + u4_persistent_mem_used);
-            u4_persistent_mem_used += sizeof(UWORD8) * u4_numRows * u4_blk_wd;
-            u4_persistent_mem_used = ALIGN64(u4_persistent_mem_used);
+    ps_dec->ps_dec_slice_buf = pv_buf;
+    memset(ps_dec->ps_dec_slice_buf, 0, size);
+    pu1_buf = (UWORD8 *)ps_dec->ps_dec_slice_buf;
+    pu1_buf += sizeof(dec_slice_struct_t) * u4_total_mbs;
+    ps_dec->pv_map_ref_idx_to_poc_buf = (void *)pu1_buf;
 
-            ps_dec->pu1_v_scratch[0] = (void *)(pu1_persitent_mem_base
-                            + u4_persistent_mem_used);
-            u4_persistent_mem_used += sizeof(UWORD8) * u4_numRows * u4_blk_wd;
-            u4_persistent_mem_used = ALIGN64(u4_persistent_mem_used);
+    /* Allocate memory for packed pred info */
+    num_entries = u4_total_mbs;
+    if(1 == ps_dec->ps_cur_sps->u1_num_ref_frames)
+        num_entries *= 16;
+    else
+        num_entries *= 16 * 2;
+
+    size = sizeof(pred_info_pkd_t) * num_entries;
+    pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->ps_pred_pkd = pv_buf;
+
+    /* Allocate memory for coeff data */
+    size = MB_LUM_SIZE * sizeof(WORD16);
+    /*For I16x16 MBs, 16 4x4 AC coeffs and 1 4x4 DC coeff TU blocks will be sent
+    For all MBs along with 8 4x4 AC coeffs 2 2x2 DC coeff TU blocks will be sent
+    So use 17 4x4 TU blocks for luma and 9 4x4 TU blocks for chroma */
+    size += u4_total_mbs * (MAX(17 * sizeof(tu_sblk4x4_coeff_data_t),4 * sizeof(tu_blk8x8_coeff_data_t))
+                                            + 9 * sizeof(tu_sblk4x4_coeff_data_t));
+    //32 bytes for each mb to store u1_prev_intra4x4_pred_mode and u1_rem_intra4x4_pred_mode data
+    size += u4_total_mbs * 32;
+    pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+
+    ps_dec->pi2_coeff_data = pv_buf;
 
-            ps_dec->pu1_u_scratch[1] = (void *)(pu1_persitent_mem_base
-                            + u4_persistent_mem_used);
-            u4_persistent_mem_used += sizeof(UWORD8) * u4_numRows * u4_blk_wd;
-            u4_persistent_mem_used = ALIGN64(u4_persistent_mem_used);
+    ps_dec->pv_pic_tu_coeff_data = (void *)(ps_dec->pi2_coeff_data + MB_LUM_SIZE);
 
-            ps_dec->pu1_v_scratch[1] = (void *)(pu1_persitent_mem_base
-                            + u4_persistent_mem_used);
-            u4_persistent_mem_used += sizeof(UWORD8) * u4_numRows * u4_blk_wd;
-            u4_persistent_mem_used += 32;
-            u4_persistent_mem_used = ALIGN64(u4_persistent_mem_used);
+    /* Allocate MV bank buffer */
+    {
+        UWORD32 col_flag_buffer_size, mvpred_buffer_size;
 
-        }
+        col_flag_buffer_size = ((ps_dec->u2_pic_wd * ps_dec->u2_pic_ht) >> 4);
+        mvpred_buffer_size = sizeof(mv_pred_t)
+                        * ((ps_dec->u2_pic_wd * (ps_dec->u2_pic_ht + PAD_MV_BANK_ROW)) >> 4);
 
-        ps_dec->pu1_y_intra_pred_line = (void *)(pu1_persitent_mem_base
-                        + u4_persistent_mem_used);
-        u4_persistent_mem_used += sizeof(UWORD8) * ((u4_wd_mbs + 1) * MB_SIZE) * 2;
-        u4_persistent_mem_used = ALIGN64(u4_persistent_mem_used);
+        u4_num_bufs = ps_dec->ps_cur_sps->u1_num_ref_frames + 1;
 
-        ps_dec->pu1_u_intra_pred_line = (void *)(pu1_persitent_mem_base
-                        + u4_persistent_mem_used);
-        u4_persistent_mem_used += sizeof(UWORD8) * ((u4_wd_mbs + 1) * MB_SIZE) * 2;
-        u4_persistent_mem_used = ALIGN64(u4_persistent_mem_used);
+        u4_num_bufs = MIN(u4_num_bufs, ps_dec->u1_pic_bufs);
+        u4_num_bufs = MAX(u4_num_bufs, 2);
+        size = ALIGN64(mvpred_buffer_size) + ALIGN64(col_flag_buffer_size);
+        size *= u4_num_bufs;
+        pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size);
+        RETURN_IF((NULL == pv_buf), IV_FAIL);
+        ps_dec->pu1_mv_bank_buf_base = pv_buf;
+    }
 
-        ps_dec->pu1_v_intra_pred_line = (void *)(pu1_persitent_mem_base
-                        + u4_persistent_mem_used);
-        u4_persistent_mem_used += sizeof(UWORD8) * ((u4_wd_mbs + 1) * MB_SIZE) * 2;
-        u4_persistent_mem_used = ALIGN64(u4_persistent_mem_used);
+    /* Allocate Pic buffer */
+    u4_luma_size = ps_dec->u2_frm_wd_y * ps_dec->u2_frm_ht_y;
+    u4_chroma_size = ps_dec->u2_frm_wd_uv * ps_dec->u2_frm_ht_uv;
 
-        ps_dec->ps_nbr_mb_row = (void *)(pu1_persitent_mem_base
-                        + u4_persistent_mem_used);
-        if(ps_dec->u1_separate_parse)
-        {
-            u4_persistent_mem_used += sizeof(mb_neigbour_params_t)
-                            * ((u4_wd_mbs + 1) * u4_ht_mbs);
-            memset(ps_dec->ps_nbr_mb_row, 0, sizeof(mb_neigbour_params_t)
-                            * ((u4_wd_mbs + 1) * u4_ht_mbs));
-        }
-        else
+    {
+        if(ps_dec->u4_share_disp_buf == 1)
         {
-            u4_persistent_mem_used += sizeof(mb_neigbour_params_t)
-                            * ((u4_wd_mbs + 1) << uc_frmOrFld);
-            memset(ps_dec->ps_nbr_mb_row, 0, sizeof(mb_neigbour_params_t)
-                            * ((u4_wd_mbs + 1) << uc_frmOrFld));
+            /* In case of buffers getting shared between application and library
+             there is no need of reference memtabs. Instead of setting the i4_size
+             to zero, it is reduced to a small i4_size to ensure that changes
+             in the code are minimal */
+            if((ps_dec->u1_chroma_format == IV_YUV_420SP_UV)
+                            || (ps_dec->u1_chroma_format == IV_YUV_420SP_VU)
+                            || (ps_dec->u1_chroma_format == IV_YUV_420P))
+            {
+                u4_luma_size = 64;
+            }
+
+            if(ps_dec->u1_chroma_format == IV_YUV_420SP_UV)
+            {
+                u4_chroma_size = 64;
+            }
 
         }
-        u4_persistent_mem_used = ALIGN64(u4_persistent_mem_used);
-        ps_dec->s_pad_mgr.pu1_row_y = (void *)(pu1_persitent_mem_base
-                        + u4_persistent_mem_used);
-        u4_persistent_mem_used += ps_dec->u2_frm_wd_y;
-        u4_persistent_mem_used = ALIGN64(u4_persistent_mem_used);
-
-        ps_dec->s_pad_mgr.pu1_row_u = (void *)(pu1_persitent_mem_base
-                        + u4_persistent_mem_used);
-        u4_persistent_mem_used += ps_dec->u2_frm_wd_uv;
-        u4_persistent_mem_used = ALIGN64(u4_persistent_mem_used);
-
-        ps_dec->s_pad_mgr.pu1_row_v = (void *)(pu1_persitent_mem_base
-                        + u4_persistent_mem_used);
-        u4_persistent_mem_used += ps_dec->u2_frm_wd_uv;
-        u4_persistent_mem_used = ALIGN64(u4_persistent_mem_used);
-
-        ps_dec->s_pad_mgr.pu1_mb_y = (void *)(pu1_persitent_mem_base
-                        + u4_persistent_mem_used);
-        u4_persistent_mem_used += ((MB_SIZE + 4) << uc_frmOrFld) * PAD_LEN_Y_H;
-        u4_persistent_mem_used = ALIGN64(u4_persistent_mem_used);
-
-        ps_dec->s_pad_mgr.pu1_mb_u = (void *)(pu1_persitent_mem_base
-                        + u4_persistent_mem_used);
-        u4_persistent_mem_used += ((BLK8x8SIZE + 2) << uc_frmOrFld)
-                        * PAD_LEN_UV_H;
-        u4_persistent_mem_used = ALIGN64(u4_persistent_mem_used);
-
-        ps_dec->s_pad_mgr.pu1_mb_v = (void *)(pu1_persitent_mem_base
-                        + u4_persistent_mem_used);
-        u4_persistent_mem_used += ((BLK8x8SIZE + 2) << uc_frmOrFld)
-                        * PAD_LEN_UV_H;
-        u4_persistent_mem_used = ALIGN64(u4_persistent_mem_used);
     }
 
-    /*Post allocation initializations*/
-    memset(ps_dec->pu1_y_intra_pred_line, 0,
-           sizeof(UWORD8) * u4_luma_wd + PAD_LEN_Y_H);
-    memset(ps_dec->pu1_u_intra_pred_line, 0,
-           sizeof(UWORD8) * u4_chroma_wd + PAD_LEN_UV_H);
-    memset(ps_dec->pu1_v_intra_pred_line, 0,
-           sizeof(UWORD8) * u4_chroma_wd + PAD_LEN_UV_H);
+    size = ALIGN64(u4_luma_size) + ALIGN64(u4_chroma_size);
+    size *= ps_dec->u1_pic_bufs;
+    pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size);
+    RETURN_IF((NULL == pv_buf), IV_FAIL);
+    ps_dec->pu1_pic_buf_base = pv_buf;
 
     /* 0th entry of CtxtIncMbMap will be always be containing default values
      for CABAC context representing MB not available */
@@ -2497,15 +2164,68 @@ WORD16 ih264d_get_memory_dec_params(dec_struct_t * ps_dec)
             ps_dec->s_high_profile.ps_last_sigcoeff_8x8_field =
                             p_cabac_ctxt_table_t
                                             + LAST_SIGNIFICANT_COEFF_FLAG_8X8_FIELD;
-
         }
-
     }
     return (i16_status);
 }
 
 /*!
  **************************************************************************
+ * \if Function name : ih264d_free_dynamic_bufs \endif
+ *
+ * \brief
+ *    This function frees dynamic memory allocated by Decoder.
+ *
+ * \param ps_dec: Pointer to dec_struct_t.
+ *
+ * \return
+ *    Returns i4_status as returned by MemManager.
+ *
+ **************************************************************************
+ */
+WORD16 ih264d_free_dynamic_bufs(dec_struct_t * ps_dec)
+{
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_bits_buf_dynamic);
+
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_deblk_pic);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_dec_mb_map);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_recon_mb_map);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu2_slice_num_map);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_dec_slice_buf);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_frm_mb_info);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pi2_coeff_data);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_parse_mb_data);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_parse_part_params);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_deblk_top_mb);
+
+    if(ps_dec->p_ctxt_inc_mb_map)
+    {
+        ps_dec->p_ctxt_inc_mb_map -= 1;
+        PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->p_ctxt_inc_mb_map);
+    }
+
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_mv_p[0]);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_mv_p[1]);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_pred_pkd);
+    {
+        UWORD8 i;
+        for(i = 0; i < MV_SCRATCH_BUFS; i++)
+        {
+            PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_mv_top_p[i]);
+        }
+    }
+
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_y_intra_pred_line);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_u_intra_pred_line);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_v_intra_pred_line);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_nbr_mb_row);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_mv_bank_buf_base);
+    PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_pic_buf_base);
+    return 0;
+}
+
+/*!
+ **************************************************************************
  * \if Function name : ih264d_create_mv_bank \endif
  *
  * \brief
@@ -2533,44 +2253,38 @@ WORD32 ih264d_create_mv_bank(void *pv_dec,
     UWORD8  i;
     UWORD32 col_flag_buffer_size, mvpred_buffer_size;
     UWORD8 *pu1_mv_buf_mgr_base, *pu1_mv_bank_base;
-    UWORD32 u4_mv_buf_mgr_mem_used, u4_mv_bank_mem_used;
     col_mv_buf_t *ps_col_mv;
     mv_pred_t *ps_mv;
     UWORD8 *pu1_col_zero_flag_buf;
     dec_struct_t *ps_dec = (dec_struct_t *)pv_dec;
     WORD32 buf_ret;
     UWORD32 u4_num_bufs;
+    UWORD8 *pu1_buf;
+    WORD32 size;
+    void *pv_mem_ctxt = ps_dec->pv_mem_ctxt;
 
-    pu1_mv_buf_mgr_base = ps_dec->ps_mem_tab[MEM_REC_MV_BUF_MGR].pv_base;
-    u4_mv_buf_mgr_mem_used = 0;
     col_flag_buffer_size = ((ui_width * ui_height) >> 4);
-
-    pu1_mv_bank_base = ps_dec->ps_mem_tab[MEM_REC_MVBANK].pv_base;
-    u4_mv_bank_mem_used = 0;
     mvpred_buffer_size = sizeof(mv_pred_t)
                     * ((ui_width * (ui_height + PAD_MV_BANK_ROW)) >> 4);
 
-    ps_dec->pv_mv_buf_mgr = (void *)(pu1_mv_buf_mgr_base + u4_mv_buf_mgr_mem_used);
-    u4_mv_buf_mgr_mem_used += sizeof(buf_mgr_t) + ithread_get_mutex_lock_size();
     ih264_buf_mgr_init((buf_mgr_t *)ps_dec->pv_mv_buf_mgr);
 
-    ps_col_mv = (col_mv_buf_t *)(pu1_mv_buf_mgr_base + u4_mv_buf_mgr_mem_used);
-    u4_mv_buf_mgr_mem_used += sizeof(col_mv_buf_t) * (H264_MAX_REF_PICS * 2);
-    u4_mv_buf_mgr_mem_used = ALIGN128(u4_mv_buf_mgr_mem_used);
+    ps_col_mv = ps_dec->ps_col_mv_base;
 
-    u4_num_bufs = ih264d_get_numbuf_mv_bank(ps_dec, ui_width, ui_height);
+    u4_num_bufs = ps_dec->ps_cur_sps->u1_num_ref_frames + 1;
 
     u4_num_bufs = MIN(u4_num_bufs, ps_dec->u1_pic_bufs);
-
+    u4_num_bufs = MAX(u4_num_bufs, 2);
+    pu1_buf = ps_dec->pu1_mv_bank_buf_base;
     for(i = 0 ; i < u4_num_bufs ; i++)
     {
-        pu1_col_zero_flag_buf = pu1_mv_buf_mgr_base + u4_mv_buf_mgr_mem_used;
-        u4_mv_buf_mgr_mem_used +=  col_flag_buffer_size;
+        pu1_col_zero_flag_buf = pu1_buf;
+        pu1_buf += ALIGN64(col_flag_buffer_size);
 
-        ps_mv = (mv_pred_t *)(pu1_mv_bank_base + u4_mv_bank_mem_used);
-        u4_mv_bank_mem_used +=  mvpred_buffer_size;
+        ps_mv = (mv_pred_t *)pu1_buf;
+        pu1_buf += ALIGN64(mvpred_buffer_size);
 
-        memset(ps_mv, 0, ((ui_width*OFFSET_MV_BANK_ROW) >> 4) * sizeof(mv_pred_t));
+        memset(ps_mv, 0, ((ui_width * OFFSET_MV_BANK_ROW) >> 4) * sizeof(mv_pred_t));
         ps_mv += (ui_width*OFFSET_MV_BANK_ROW) >> 4;
 
         ps_col_mv->pv_col_zero_flag = (void *)pu1_col_zero_flag_buf;
@@ -2583,19 +2297,9 @@ WORD32 ih264d_create_mv_bank(void *pv_dec,
         }
         ps_col_mv++;
     }
-
-    if((u4_mv_buf_mgr_mem_used > ps_dec->ps_mem_tab[MEM_REC_MV_BUF_MGR].u4_mem_size) ||
-                    (u4_mv_bank_mem_used > ps_dec->ps_mem_tab[MEM_REC_MVBANK].u4_mem_size))
-    {
-        ps_dec->i4_error_code = ERROR_BUF_MGR;
-        return ERROR_BUF_MGR;
-    }
-
     return OK;
-
 }
 
-
 void ih264d_unpack_coeff4x4_dc_4x4blk(tu_sblk4x4_coeff_data_t *ps_tu_4x4,
                                       WORD16 *pi2_out_coeff_data,
                                       UWORD8 *pu1_inv_scan)
diff --git a/decoder/ih264d_utils.h b/decoder/ih264d_utils.h
index 326acc0..ddef744 100644
--- a/decoder/ih264d_utils.h
+++ b/decoder/ih264d_utils.h
@@ -40,6 +40,8 @@
 #include "ih264d_structs.h"
 #include "ih264d_parse_cavlc.h"
 
+#define PS_DEC_ALIGNED_FREE(ps_dec, y) \
+if(y) {ps_dec->pf_aligned_free(ps_dec->pv_mem_ctxt, ((void *)y)); (y) = NULL;}
 void pad_frm_buff_vert(dec_struct_t *ps_dec);
 
 UWORD8 ih264d_is_end_of_pic(UWORD16 u2_frame_num,
@@ -90,16 +92,11 @@ WORD32 ih264d_get_next_display_field(dec_struct_t * ps_dec,
 void ih264d_release_display_field(dec_struct_t *ps_dec,
                                   ivd_get_display_frame_op_t *pv_disp_op);
 void ih264d_close_video_decoder(iv_obj_t *iv_obj_t);
-WORD32 ih264d_get_dpb_size_new(UWORD32 u4_level_idc,
-                                UWORD32 width,
-                                UWORD32 height);
+WORD32 ih264d_get_dpb_size(dec_seq_params_t *ps_seq);
 WORD32 ih264d_get_next_nal_unit(UWORD8 *pu1_buf,
                                 UWORD32 u4_cur_pos,
                                 UWORD32 u4_max_ofst,
                                 UWORD32 *pu4_length_of_start_code);
-UWORD32 ih264d_get_numbuf_mv_bank(dec_struct_t *ps_dec, UWORD32 width, UWORD32 height);
-WORD32 ih264d_get_numbuf_dpb_bank(dec_struct_t *ps_dec,
-                           UWORD32 u2_frame_wd,
-                           UWORD32 u2_frame_ht);
 
+WORD16 ih264d_free_dynamic_bufs(dec_struct_t * ps_dec);
 #endif /* _IH264D_UTILS_H_ */
diff --git a/decoder/ih264d_vui.c b/decoder/ih264d_vui.c
index 87276bd..97b40c2 100644
--- a/decoder/ih264d_vui.c
+++ b/decoder/ih264d_vui.c
@@ -205,8 +205,9 @@ WORD32 ih264d_parse_vui_parametres(vui_t *ps_vu4,
     }
     ps_vu4->u1_pic_struct_present_flag = ih264d_get_bits_h264(ps_bitstrm, 1);
 
-    u4_bits = ih264d_get_bits_h264(ps_bitstrm, 1);
-    if(u4_bits)
+    ps_vu4->u1_bitstream_restriction_flag = ih264d_get_bits_h264(ps_bitstrm, 1);
+
+    if(ps_vu4->u1_bitstream_restriction_flag)
     {
         ps_vu4->u1_mv_over_pic_boundaries_flag = ih264d_get_bits_h264(
                         ps_bitstrm, 1);
@@ -227,6 +228,7 @@ WORD32 ih264d_parse_vui_parametres(vui_t *ps_vu4,
     {
         /* Setting this to a large value if not present */
         ps_vu4->u4_num_reorder_frames = 64;
+        ps_vu4->u4_max_dec_frame_buffering = 64;
     }
 
     return OK;
diff --git a/decoder/ih264d_vui.h b/decoder/ih264d_vui.h
index e380a5b..b882f72 100644
--- a/decoder/ih264d_vui.h
+++ b/decoder/ih264d_vui.h
@@ -81,6 +81,7 @@ typedef struct
     hrd_t s_vcl_hrd;
     UWORD8 u1_low_delay_hrd_flag;
     UWORD8 u1_pic_struct_present_flag;
+    UWORD8 u1_bitstream_restriction_flag;
     UWORD8 u1_mv_over_pic_boundaries_flag;
     UWORD32 u4_max_bytes_per_pic_denom;
     UWORD32 u4_max_bits_per_mb_denom;
diff --git a/decoder/iv.h b/decoder/iv.h
index 3a2ebf5..dbccae5 100644
--- a/decoder/iv.h
+++ b/decoder/iv.h
@@ -65,20 +65,6 @@ typedef enum {
     IV_FAIL                                     = 0x1,
 }IV_API_CALL_STATUS_T;
 
-/* IV_MEM_TYPE_T: This Enumeration defines the type of memory (Internal/Ext */
-/* -ernal) along with the cacheable/non-cacheable attributes                */
-
-typedef enum {
-    IV_NA_MEM_TYPE                              = 0x7FFFFFFF,
-    IV_INTERNAL_CACHEABLE_PERSISTENT_MEM        = 0x1,
-    IV_INTERNAL_CACHEABLE_SCRATCH_MEM           = 0x2,
-    IV_EXTERNAL_CACHEABLE_PERSISTENT_MEM        = 0x3,
-    IV_EXTERNAL_CACHEABLE_SCRATCH_MEM           = 0x4,
-    IV_INTERNAL_NONCACHEABLE_PERSISTENT_MEM     = 0x5,
-    IV_INTERNAL_NONCACHEABLE_SCRATCH_MEM        = 0x6,
-    IV_EXTERNAL_NONCACHEABLE_PERSISTENT_MEM     = 0x7,
-    IV_EXTERNAL_NONCACHEABLE_SCRATCH_MEM        = 0x8
-}IV_MEM_TYPE_T;
 
 /* IV_COLOR_FORMAT_T: This enumeration lists all the color formats which    */
 /* finds usage in video/image codecs                                        */
@@ -150,10 +136,6 @@ typedef enum {
 /* IV_API_COMMAND_TYPE_T:API command type                                   */
 typedef enum {
     IV_CMD_NA                           = 0x7FFFFFFF,
-    IV_CMD_GET_NUM_MEM_REC              = 0x0,
-    IV_CMD_FILL_NUM_MEM_REC             = 0x1,
-    IV_CMD_RETRIEVE_MEMREC              = 0x2,
-    IV_CMD_INIT                         = 0x3,
     IV_CMD_DUMMY_ELEMENT                = 0x4,
 }IV_API_COMMAND_TYPE_T;
 
@@ -180,35 +162,6 @@ typedef struct {
     void                                        *pv_codec_handle;
 }iv_obj_t;
 
-/* iv_mem_rec_t: This structure defines the memory record holder which will  */
-/* be used by the codec to communicate its memory requirements to the        */
-/* application through appropriate API functions                             */
-
-typedef struct {
-    /**
-     * u4_size of the structure
-     */
-    UWORD32                                     u4_size;
-
-    /**
-     * Pointer to the memory allocated by the application
-     */
-    void                                        *pv_base;
-
-    /**
-     * u4_size of the memory to be allocated
-     */
-    UWORD32                                     u4_mem_size;
-
-    /**
-     * Alignment of the memory pointer
-     */
-    UWORD32                                     u4_mem_alignment;
-    /**
-     * Nature of the memory to be allocated
-     */
-    IV_MEM_TYPE_T                               e_mem_type;
-}iv_mem_rec_t;
 
 /* IV_YUV_BUF_T: This structure defines attributes for the yuv buffer        */
 
@@ -279,141 +232,6 @@ typedef struct {
     UWORD32                                     u4_v_strd;
 }iv_yuv_buf_t;
 
-/*****************************************************************************/
-/*  Get Number of Memory Records                                             */
-/*****************************************************************************/
-
-/* IV_API_COMMAND_TYPE_T::e_cmd = IV_CMD_GET_NUM_MEM_REC                     */
-
-
-typedef struct {
-    /**
-     * u4_size of the structure
-     */
-    UWORD32                                     u4_size;
-
-    /**
-     * cmd
-     */
-    IV_API_COMMAND_TYPE_T                       e_cmd;
-}iv_num_mem_rec_ip_t;
-
-
-typedef struct {
-    /**
-     * u4_size of the structure
-     */
-    UWORD32                                     u4_size;
-
-    /**
-     * error code
-     */
-    UWORD32                                     u4_error_code;
-
-    /**
-     * num_mem_rec
-     */
-    UWORD32                                     u4_num_mem_rec;
-}iv_num_mem_rec_op_t;
-
-
-/*****************************************************************************/
-/*  Fill Memory Records                                                      */
-/*****************************************************************************/
-
-/* IV_API_COMMAND_TYPE_T::e_cmd = IV_CMD_FILL_NUM_MEM_REC                    */
-
-
-typedef struct {
-    /**
-     * u4_size of the structure
-     */
-    UWORD32                                     u4_size;
-
-    /**
-     * cmd
-     */
-    IV_API_COMMAND_TYPE_T                       e_cmd;
-
-    /**
-     * pointer to array of memrecords structures should be filled by codec
-    with details of memory resource requirements
-     */
-    iv_mem_rec_t                                *pv_mem_rec_location;
-
-    /**
-     * maximum width for which codec should request memory requirements
-     */
-    UWORD32                                     u4_max_frm_wd;
-
-    /**
-     * maximum height for which codec should request memory requirements
-     */
-    UWORD32                                     u4_max_frm_ht;
-}iv_fill_mem_rec_ip_t;
-
-
-typedef struct {
-    /**
-     * u4_size of the structure
-     */
-    UWORD32                                     u4_size;
-
-    /**
-     * error_code
-     */
-    UWORD32                                     u4_error_code;
-
-    /**
-     * no of memory record structures which are filled by codec
-     */
-    UWORD32                                     u4_num_mem_rec_filled;
-}iv_fill_mem_rec_op_t;
-
-
-/*****************************************************************************/
-/*  Retrieve Memory Records                                                  */
-/*****************************************************************************/
-
-/* IV_API_COMMAND_TYPE_T::e_cmd = IV_CMD_RETRIEVE_MEMREC                     */
-
-
-
-typedef struct {
-    /**
-     * u4_size of the structure
-     */
-    UWORD32                                     u4_size;
-
-    /**
-     * cmd
-     */
-    IV_API_COMMAND_TYPE_T                       e_cmd;
-
-    /**
-     * array of structures where codec should fill with all resources(memory) with it
-     */
-    iv_mem_rec_t                                *pv_mem_rec_location;
-}iv_retrieve_mem_rec_ip_t;
-
-
-typedef struct {
-    /**
-     * u4_size of the structure
-     */
-    UWORD32                                     u4_size;
-
-    /**
-     * error_code
-     */
-    UWORD32                                     u4_error_code;
-
-    /**
-     * no of memory records filled by codec
-     */
-    UWORD32                                     u4_num_mem_rec_filled;
-}iv_retrieve_mem_rec_op_t;
-
 
 
 #endif /* _IV_H */
diff --git a/decoder/ivd.h b/decoder/ivd.h
index b30b0b1..8d304bc 100644
--- a/decoder/ivd.h
+++ b/decoder/ivd.h
@@ -17,24 +17,24 @@
  *****************************************************************************
  * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
 */
-/*****************************************************************************/
-/*                                                                           */
-/*  File Name         : ivd.h                                                */
-/*                                                                           */
-/*  Description       : This file contains all the necessary structure and   */
-/*                      enumeration definitions needed for the Application   */
-/*                      Program Interface(API) of the Ittiam Video Decoders  */
-/*                                                                           */
-/*  List of Functions : None                                                 */
-/*                                                                           */
-/*  Issues / Problems : None                                                 */
-/*                                                                           */
-/*  Revision History  :                                                      */
-/*                                                                           */
-/*         DD MM YYYY   Author(s)       Changes (Describe the changes made)  */
-/*         26 08 2010   100239(RCY)     Draft                                */
-/*                                                                           */
-/*****************************************************************************/
+/**
+*******************************************************************************
+* @file
+*  ivd.h
+*
+* @brief
+*  This file contains all the necessary structure and  enumeration
+* definitions needed for the Application  Program Interface(API) of the
+* Ittiam Video Decoders
+*
+* @author
+*  100239(RCY)
+*
+* @remarks
+*  None
+*
+*******************************************************************************
+*/
 
 #ifndef _IVD_H
 #define _IVD_H
@@ -128,7 +128,9 @@ typedef enum {
 /* IVD_API_COMMAND_TYPE_T:API command type                                   */
 typedef enum {
     IVD_CMD_VIDEO_NA                          = 0x7FFFFFFF,
-    IVD_CMD_VIDEO_CTL                         = IV_CMD_DUMMY_ELEMENT + 1,
+    IVD_CMD_CREATE                            = IV_CMD_DUMMY_ELEMENT + 1,
+    IVD_CMD_DELETE,
+    IVD_CMD_VIDEO_CTL,
     IVD_CMD_VIDEO_DECODE,
     IVD_CMD_GET_DISPLAY_FRAME,
     IVD_CMD_REL_DISPLAY_FRAME,
@@ -228,6 +230,7 @@ typedef enum {
     IVD_DEC_REF_BUF_NULL                        = 0x28,
     IVD_DEC_FRM_SKIPPED                         = 0x29,
     IVD_RES_CHANGED                             = 0x2a,
+    IVD_MEM_ALLOC_FAILED                        = 0x2b,
     IVD_DUMMY_ELEMENT_FOR_CODEC_EXTENSIONS      = 0xD0,
 }IVD_ERROR_CODES_T;
 
@@ -239,48 +242,127 @@ typedef enum {
 /* call                                                                      */
 typedef struct {
 
-    /* number of output buffers */
+    /**
+     * number of output buffers
+     */
     UWORD32             u4_num_bufs;
 
-    /* list of pointers to output buffers */
+    /**
+     *list of pointers to output buffers
+     */
     UWORD8              *pu1_bufs[IVD_VIDDEC_MAX_IO_BUFFERS];
 
-    /* sizes of each output buffer */
+    /**
+     * sizes of each output buffer
+     */
     UWORD32             u4_min_out_buf_size[IVD_VIDDEC_MAX_IO_BUFFERS];
 
 }ivd_out_bufdesc_t;
 
 /*****************************************************************************/
-/*   Initialize decoder                                                      */
+/*   Create decoder                                                          */
 /*****************************************************************************/
 
-/* IVD_API_COMMAND_TYPE_T::e_cmd = IVD_CMD_INIT                              */
+/* IVD_API_COMMAND_TYPE_T::e_cmd = IVD_CMD_CREATE                            */
 
 
 typedef struct {
-    /* u4_size of the structure                                         */
+    /**
+     * u4_size of the structure
+     */
     UWORD32                                 u4_size;
+
+    /**
+     *  e_cmd
+     */
     IVD_API_COMMAND_TYPE_T                  e_cmd;
-    /* no memrecords which are allocated on request of codec through
-    fill mem records */
-    UWORD32                                 u4_num_mem_rec;
-    /* maximum height for which codec should be initialized */
-    UWORD32                                 u4_frm_max_wd;
-    /* maximum width for which codec should be initialized  */
-    UWORD32                                 u4_frm_max_ht;
-    /* format in which codec has to give out frame data for display */
+
+    /**
+     * format in which codec has to give out frame data for display
+     */
     IV_COLOR_FORMAT_T                       e_output_format;
-    /* pointer to memrecord array, which contains allocated resources */
-    iv_mem_rec_t                            *pv_mem_rec_location;
-}ivd_init_ip_t;
+
+    /**
+     * Flag to indicate shared display buffer mode
+     */
+    UWORD32                                 u4_share_disp_buf;
+
+    /**
+     * Pointer to a function for aligned allocation.
+     */
+    void    *(*pf_aligned_alloc)(void *pv_mem_ctxt, WORD32 alignment, WORD32 size);
+
+    /**
+     * Pointer to a function for aligned free.
+     */
+    void   (*pf_aligned_free)(void *pv_mem_ctxt, void *pv_buf);
+
+    /**
+     * Pointer to memory context that is needed during alloc/free for custom
+     * memory managers. This will be passed as first argument to pf_aligned_alloc and
+     * pf_aligned_free.
+     * If application is using standard memory functions like
+     * malloc/aligned_malloc/memalign/free/aligned_free,
+     * then this is not needed and can be set to NULL
+     */
+    void    *pv_mem_ctxt;
+
+}ivd_create_ip_t;
 
 
 typedef struct{
-    /* u4_size of the structure                                         */
+    /**
+     * u4_size of the structure
+     */
     UWORD32                                 u4_size;
+
+    /**
+     * u4_error_code
+     */
     UWORD32                                 u4_error_code;
-}ivd_init_op_t;
 
+    /**
+     * Codec Handle
+     */
+    void                                    *pv_handle;
+
+}ivd_create_op_t;
+
+
+/*****************************************************************************/
+/*  Delete decoder                                                           */
+/*****************************************************************************/
+
+/* IVD_API_COMMAND_TYPE_T::e_cmd = IVD_CMD_DELETE                              */
+
+
+
+typedef struct {
+    /**
+     * u4_size of the structure
+     */
+    UWORD32                                     u4_size;
+
+    /**
+     * cmd
+     */
+    IVD_API_COMMAND_TYPE_T                       e_cmd;
+
+}ivd_delete_ip_t;
+
+
+typedef struct{
+    /**
+     * u4_size of the structure
+     */
+    UWORD32                                     u4_size;
+
+    /**
+     * error_code
+     */
+    UWORD32                                     u4_error_code;
+
+}ivd_delete_op_t;
 
 /*****************************************************************************/
 /*   Video Decode                                                            */
@@ -291,37 +373,118 @@ typedef struct{
 
 
 typedef struct {
-    /* u4_size of the structure                                         */
+    /**
+     * u4_size of the structure
+     */
     UWORD32                                 u4_size;
+
+    /**
+     * e_cmd
+     */
     IVD_API_COMMAND_TYPE_T                  e_cmd;
+
+    /**
+     * u4_ts
+     */
     UWORD32                                 u4_ts;
+
+    /**
+     * u4_num_Bytes
+     */
     UWORD32                                 u4_num_Bytes;
+
+    /**
+     * pv_stream_buffer
+     */
     void                                    *pv_stream_buffer;
 
-    /* output buffer desc */
+    /**
+     * output buffer desc
+     */
     ivd_out_bufdesc_t                       s_out_buffer;
 
 }ivd_video_decode_ip_t;
 
 
 typedef struct{
-    /* u4_size of the structure                                         */
+    /**
+     * u4_size of the structure
+     */
     UWORD32                                 u4_size;
+
+    /**
+     * u4_error_code
+     */
     UWORD32                                 u4_error_code;
+
+    /**
+     * num_bytes_consumed
+     */
     UWORD32                                 u4_num_bytes_consumed;
+
+    /**
+     * pic_wd
+     */
     UWORD32                                 u4_pic_wd;
+
+    /**
+     * pic_ht
+     */
     UWORD32                                 u4_pic_ht;
+
+    /**
+     * pic_type
+     */
     IV_PICTURE_CODING_TYPE_T                e_pic_type;
+
+    /**
+     * frame_decoded_flag
+     */
     UWORD32                                 u4_frame_decoded_flag;
+
+    /**
+     * new_seq
+     */
     UWORD32                                 u4_new_seq;
 
+    /**
+     * output_present
+     */
     UWORD32                                 u4_output_present;
+
+    /**
+     * progressive_frame_flag
+     */
     UWORD32                                 u4_progressive_frame_flag;
+
+    /**
+     * is_ref_flag
+     */
     UWORD32                                 u4_is_ref_flag;
+
+    /**
+     * output_format
+     */
     IV_COLOR_FORMAT_T                       e_output_format;
+
+    /**
+     * disp_frm_buf
+     */
     iv_yuv_buf_t                            s_disp_frm_buf;
+
+    /**
+     * fld_type
+     */
     IV_FLD_TYPE_T                           e4_fld_type;
+
+    /**
+     * ts
+     */
     UWORD32                                 u4_ts;
+
+    /**
+     * disp_buf_id
+     */
     UWORD32                                 u4_disp_buf_id;
 }ivd_video_decode_op_t;
 
@@ -335,12 +498,19 @@ typedef struct{
 
 typedef struct
 {
-    /* u4_size of the structure                                         */
+    /**
+     * u4_size of the structure
+     */
     UWORD32                                 u4_size;
 
+    /**
+     * e_cmd
+     */
     IVD_API_COMMAND_TYPE_T                  e_cmd;
 
-    /* output buffer desc */
+    /**
+     * output buffer desc
+     */
     ivd_out_bufdesc_t                       s_out_buffer;
 
 }ivd_get_display_frame_ip_t;
@@ -348,16 +518,54 @@ typedef struct
 
 typedef struct
 {
-    /* u4_size of the structure                                         */
+    /**
+     * u4_size of the structure
+     */
     UWORD32                                 u4_size;
+
+    /**
+     * error_code
+     */
     UWORD32                                 u4_error_code;
+
+    /**
+     * progressive_frame_flag
+     */
     UWORD32                                 u4_progressive_frame_flag;
+
+    /**
+     * pic_type
+     */
     IV_PICTURE_CODING_TYPE_T                e_pic_type;
+
+    /**
+     * is_ref_flag
+     */
     UWORD32                                 u4_is_ref_flag;
+
+    /**
+     * output_format
+     */
     IV_COLOR_FORMAT_T                       e_output_format;
+
+    /**
+     * disp_frm_buf
+     */
     iv_yuv_buf_t                            s_disp_frm_buf;
+
+    /**
+     * fld_type
+     */
     IV_FLD_TYPE_T                           e4_fld_type;
+
+    /**
+     * ts
+     */
     UWORD32                                 u4_ts;
+
+    /**
+     * disp_buf_id
+     */
     UWORD32                                 u4_disp_buf_id;
 }ivd_get_display_frame_op_t;
 
@@ -370,14 +578,24 @@ typedef struct
 
 typedef struct
 {
-    /* u4_size of the structure                                         */
+    /**
+     * u4_size of the structure
+     */
     UWORD32                                 u4_size;
 
+    /**
+     * cmd
+     */
     IVD_API_COMMAND_TYPE_T                  e_cmd;
 
+    /**
+     * num_disp_bufs
+     */
     UWORD32                                 num_disp_bufs;
 
-    /* output buffer desc */
+    /**
+     * output buffer desc
+     */
     ivd_out_bufdesc_t                       s_disp_buffer[IVD_VIDDEC_MAX_IO_BUFFERS];
 
 }ivd_set_display_frame_ip_t;
@@ -385,8 +603,14 @@ typedef struct
 
 typedef struct
 {
-    /* u4_size of the structure                                         */
+    /**
+     * u4_size of the structure
+     */
     UWORD32                                 u4_size;
+
+    /**
+     * error code
+     */
     UWORD32                                 u4_error_code;
 }ivd_set_display_frame_op_t;
 
@@ -400,17 +624,33 @@ typedef struct
 
 typedef struct
 {
-    /* u4_size of the structure                                         */
+    /**
+     * u4_size of the structure
+     */
     UWORD32                                 u4_size;
+
+    /**
+     * e_cmd
+     */
     IVD_API_COMMAND_TYPE_T                  e_cmd;
+
+    /**
+     * disp_buf_id
+     */
     UWORD32                                 u4_disp_buf_id;
 }ivd_rel_display_frame_ip_t;
 
 
 typedef struct
 {
-    /* u4_size of the structure                                         */
+    /**
+     * u4_size of the structure
+     */
     UWORD32                                 u4_size;
+
+    /**
+     * error code
+     */
     UWORD32                                 u4_error_code;
 }ivd_rel_display_frame_op_t;
 
@@ -423,16 +663,32 @@ typedef struct
 
 
 typedef struct{
-    /* u4_size of the structure                                         */
+    /**
+     * u4_size of the structure
+     */
     UWORD32                                 u4_size;
+
+    /**
+     * cmd
+     */
     IVD_API_COMMAND_TYPE_T                  e_cmd;
+
+    /**
+     * sub_cmd
+     */
     IVD_CONTROL_API_COMMAND_TYPE_T          e_sub_cmd;
 }ivd_ctl_flush_ip_t;
 
 
 typedef struct{
-    /* u4_size of the structure                                         */
+    /**
+     * u4_size of the structure
+     */
     UWORD32                                 u4_size;
+
+    /**
+     * error code
+     */
     UWORD32                                 u4_error_code;
 }ivd_ctl_flush_op_t;
 
@@ -444,16 +700,33 @@ typedef struct{
 
 
 typedef struct{
-    /* u4_size of the structure                                         */
+    /**
+     * u4_size of the structure
+     */
     UWORD32                                 u4_size;
+
+    /**
+     * cmd
+     */
     IVD_API_COMMAND_TYPE_T                  e_cmd;
+
+    /**
+     * sub_cmd
+     */
+
     IVD_CONTROL_API_COMMAND_TYPE_T          e_sub_cmd;
 }ivd_ctl_reset_ip_t;
 
 
 typedef struct{
-    /* u4_size of the structure                                         */
+    /**
+     * u4_size of the structure
+     */
     UWORD32                                 u4_size;
+
+    /**
+     * error code
+     */
     UWORD32                                 u4_error_code;
 }ivd_ctl_reset_op_t;
 
@@ -468,20 +741,52 @@ typedef struct{
 
 
 typedef struct {
-    /* u4_size of the structure                                         */
+    /**
+     * u4_size of the structure
+     */
     UWORD32                                     u4_size;
+
+    /**
+     * cmd
+     */
     IVD_API_COMMAND_TYPE_T                      e_cmd;
+
+    /**
+     * sub_cmd
+     */
     IVD_CONTROL_API_COMMAND_TYPE_T              e_sub_cmd;
+
+    /**
+     * vid_dec_mode
+     */
     IVD_VIDEO_DECODE_MODE_T                     e_vid_dec_mode;
+
+    /**
+     * disp_wd
+     */
     UWORD32                                     u4_disp_wd;
+
+    /**
+     * frm_skip_mode
+     */
     IVD_FRAME_SKIP_MODE_T                       e_frm_skip_mode;
+
+    /**
+     * frm_out_mode
+     */
     IVD_DISPLAY_FRAME_OUT_MODE_T                e_frm_out_mode;
 }ivd_ctl_set_config_ip_t;
 
 
 typedef struct{
-    /* u4_size of the structure                                         */
+    /**
+     * u4_size of the structure
+     */
     UWORD32                                     u4_size;
+
+    /**
+     * u4_error_code
+     */
     UWORD32                                     u4_error_code;
 }ivd_ctl_set_config_op_t;
 
@@ -494,26 +799,57 @@ typedef struct{
 
 
 typedef struct{
-    /* u4_size of the structure                                         */
+    /**
+     * u4_size of the structure
+     */
     UWORD32                                     u4_size;
+
+    /**
+     *  e_cmd
+     */
     IVD_API_COMMAND_TYPE_T                      e_cmd;
+
+    /**
+     * sub_cmd
+     */
     IVD_CONTROL_API_COMMAND_TYPE_T              e_sub_cmd;
 }ivd_ctl_getbufinfo_ip_t;
 
 
 typedef struct{
-    /* u4_size of the structure                                         */
+    /**
+     * u4_size of the structure
+     */
     UWORD32                                     u4_size;
+
+    /**
+     * error code
+     */
     UWORD32                                     u4_error_code;
-    /* no of display buffer sets required by codec */
+
+    /**
+     * no of display buffer sets required by codec
+     */
     UWORD32                                     u4_num_disp_bufs;
-    /* no of input buffers required for codec */
+
+    /**
+     * no of input buffers required for codec
+     */
     UWORD32                                     u4_min_num_in_bufs;
-    /* no of output buffers required for codec */
+
+    /**
+     * no of output buffers required for codec
+     */
     UWORD32                                     u4_min_num_out_bufs;
-    /* sizes of each input buffer required */
+
+    /**
+     * sizes of each input buffer required
+     */
     UWORD32                                     u4_min_in_buf_size[IVD_VIDDEC_MAX_IO_BUFFERS];
-    /* sizes of each output buffer required */
+
+    /**
+     * sizes of each output buffer required
+     */
     UWORD32                                     u4_min_out_buf_size[IVD_VIDDEC_MAX_IO_BUFFERS];
 }ivd_ctl_getbufinfo_op_t;
 
@@ -528,31 +864,88 @@ typedef struct{
 
 
 typedef struct{
-    /* u4_size of the structure                                         */
+    /**
+     * u4_size of the structure
+     */
     UWORD32                                     u4_size;
+
+    /**
+     * cmd
+     */
     IVD_API_COMMAND_TYPE_T                      e_cmd;
+
+    /**
+     * sub_cmd
+     */
     IVD_CONTROL_API_COMMAND_TYPE_T              e_sub_cmd;
 }ivd_ctl_getstatus_ip_t;
 
 
 typedef struct{
+
+     /**
+      * u4_size of the structure
+      */
     UWORD32                  u4_size;
+
+    /**
+      * error code
+      */
     UWORD32                  u4_error_code;
-    /* no of display buffer sets required by codec */
+
+    /**
+     * no of display buffer sets required by codec
+     */
     UWORD32                  u4_num_disp_bufs;
+
+    /**
+     * u4_pic_ht
+     */
     UWORD32                  u4_pic_ht;
+
+    /**
+     * u4_pic_wd
+     */
     UWORD32                  u4_pic_wd;
+
+    /**
+     * frame_rate
+     */
     UWORD32                  u4_frame_rate;
+
+    /**
+     * u4_bit_rate
+     */
     UWORD32                  u4_bit_rate;
+
+    /**
+     * content_type
+     */
     IV_CONTENT_TYPE_T        e_content_type;
+
+    /**
+     * output_chroma_format
+     */
     IV_COLOR_FORMAT_T        e_output_chroma_format;
-    /* no of input buffers required for codec */
+
+    /**
+     * no of input buffers required for codec
+     */
     UWORD32                  u4_min_num_in_bufs;
-    /* no of output buffers required for codec */
+
+    /**
+     * no of output buffers required for codec
+     */
     UWORD32                  u4_min_num_out_bufs;
-    /* sizes of each input buffer required */
+
+    /**
+     * sizes of each input buffer required
+     */
     UWORD32                  u4_min_in_buf_size[IVD_VIDDEC_MAX_IO_BUFFERS];
-    /* sizes of each output buffer required */
+
+    /**
+     * sizes of each output buffer required
+     */
     UWORD32                  u4_min_out_buf_size[IVD_VIDDEC_MAX_IO_BUFFERS];
 }ivd_ctl_getstatus_op_t;
 
@@ -566,18 +959,42 @@ typedef struct{
 
 
 typedef struct{
-    /* u4_size of the structure                                         */
+    /**
+     * u4_size of the structure
+     */
     UWORD32                                     u4_size;
+
+    /**
+     * cmd
+     */
     IVD_API_COMMAND_TYPE_T                      e_cmd;
+
+    /**
+     * sub_cmd
+     */
     IVD_CONTROL_API_COMMAND_TYPE_T              e_sub_cmd;
+
+    /**
+     * pv_version_buffer
+     */
     void                                        *pv_version_buffer;
+
+    /**
+     * version_buffer_size
+     */
     UWORD32                                     u4_version_buffer_size;
 }ivd_ctl_getversioninfo_ip_t;
 
 
 typedef struct{
-    /* u4_size of the structure                                         */
+    /**
+     * u4_size of the structure
+     */
     UWORD32                                     u4_size;
+
+    /**
+     * error code
+     */
     UWORD32                                     u4_error_code;
 }ivd_ctl_getversioninfo_op_t;
 
diff --git a/test/decoder/main.c b/test/decoder/main.c
index 35454a4..89a54c5 100644
--- a/test/decoder/main.c
+++ b/test/decoder/main.c
@@ -64,7 +64,9 @@
 #include <sys/time.h>
 #endif
 
-
+//#define ADAPTIVE_TEST
+#define ADAPTIVE_MAX_WD 1920
+#define ADAPTIVE_MAX_HT 1088
 
 #define ALIGN8(x) ((((x) + 7) >> 3) << 3)
 #define NUM_DISPLAY_BUFFERS 4
@@ -211,9 +213,6 @@ typedef struct
     UWORD32 display;
     UWORD32 full_screen;
     UWORD32 fps;
-    UWORD32 max_wd;
-    UWORD32 max_ht;
-    UWORD32 max_level;
 
     UWORD32 u4_strd;
 
@@ -268,9 +267,6 @@ typedef enum
     FULLSCREEN,
     FPS,
     TRACE,
-    MAX_WD,
-    MAX_HT,
-    MAX_LEVEL,
     CONFIG,
 
     DEGRADE_TYPE,
@@ -332,13 +328,6 @@ static const argument_t argument_mapping[] =
         "FPS to be used for display \n" },
     {"-i",  "--trace",                   TRACE,
          "Trace file\n"},
-    { "--", "--max_wd",      MAX_WD,
-        "Maximum width (Default: 2560) \n" },
-    { "--", "--max_ht",      MAX_HT,
-        "Maximum height (Default: 1600)\n" },
-
-    { "--", "--max_level",      MAX_LEVEL,
-        "Maximum Decoder Level (Default: 50)\n" },
 
     {"--",  "--degrade_type",  DEGRADE_TYPE,
          "Degrade type : 0: No degrade 0th bit set : Disable SAO 1st bit set : Disable deblocking 2nd bit set : Faster inter prediction filters 3rd bit set : Fastest inter prediction filters\n" },
@@ -353,11 +342,6 @@ static const argument_t argument_mapping[] =
 };
 
 #define PEAK_WINDOW_SIZE            8
-#define MAX_FRAME_WIDTH             2560
-#define MAX_FRAME_HEIGHT            1600
-#define MAX_LEVEL_SUPPORTED         50
-#define MAX_REF_FRAMES              16
-#define MAX_REORDER_FRAMES          16
 #define DEFAULT_SHARE_DISPLAY_BUF   0
 #define STRIDE                      0
 #define DEFAULT_NUM_CORES           1
@@ -431,39 +415,45 @@ int raise(int a)
 /*                                                                           */
 /*****************************************************************************/
 
-void * ih264a_aligned_malloc(WORD32 alignment, WORD32 i4_size)
+void * ih264a_aligned_malloc(void *pv_ctxt, WORD32 alignment, WORD32 i4_size)
 {
+    (void)pv_ctxt;
     return (void *)_aligned_malloc(i4_size, alignment);
 }
 
-void ih264a_aligned_free(void *pv_buf)
+void ih264a_aligned_free(void *pv_ctxt, void *pv_buf)
 {
+    (void)pv_ctxt;
     _aligned_free(pv_buf);
     return;
 }
 #endif
 
 #if IOS
-void * ih264a_aligned_malloc(WORD32 alignment, WORD32 i4_size)
+void * ih264a_aligned_malloc(void *pv_ctxt, WORD32 alignment, WORD32 i4_size)
 {
+    (void)pv_ctxt;
     return malloc(i4_size);
 }
 
-void ih264a_aligned_free(void *pv_buf)
+void ih264a_aligned_free(void *pv_ctxt, void *pv_buf)
 {
+    (void)pv_ctxt;
     free(pv_buf);
     return;
 }
 #endif
 
 #if (!defined(IOS)) && (!defined(_WIN32))
-void * ih264a_aligned_malloc(WORD32 alignment, WORD32 i4_size)
+void * ih264a_aligned_malloc(void *pv_ctxt, WORD32 alignment, WORD32 i4_size)
 {
+   (void)pv_ctxt;
     return memalign(alignment, i4_size);
 }
 
-void ih264a_aligned_free(void *pv_buf)
+void ih264a_aligned_free(void *pv_ctxt, void *pv_buf)
 {
+    (void)pv_ctxt;
     free(pv_buf);
     return;
 }
@@ -1252,15 +1242,6 @@ void parse_argument(vid_dec_ctx_t *ps_app_ctx, CHAR *argument, CHAR *value)
             if(ps_app_ctx->fps <= 0)
                 ps_app_ctx->fps = DEFAULT_FPS;
             break;
-        case MAX_WD:
-            sscanf(value, "%d", &ps_app_ctx->max_wd);
-            break;
-        case MAX_HT:
-            sscanf(value, "%d", &ps_app_ctx->max_ht);
-            break;
-        case MAX_LEVEL:
-            sscanf(value, "%d", &ps_app_ctx->max_level);
-            break;
         case ARCH:
             if((strcmp(value, "ARM_NONEON")) == 0)
                 ps_app_ctx->e_arch = ARCH_ARM_NONEON;
@@ -1558,8 +1539,8 @@ WORD32 display_thread(void *pv_ctx)
                                                             ps_app_ctx->u4_pic_ht,
                                                             ps_app_ctx->i4_screen_wd,
                                                             ps_app_ctx->i4_screen_ht,
-                                                            ps_app_ctx->max_wd,
-                                                            ps_app_ctx->max_ht,
+                                                            ps_app_ctx->u4_pic_wd,
+                                                            ps_app_ctx->u4_pic_ht,
                                                             ps_app_ctx->full_screen,
                                                             &ps_app_ctx->quit,
                                                             &ps_app_ctx->paused);
@@ -1813,12 +1794,10 @@ int main(WORD32 argc, CHAR *argv[])
     ivd_out_bufdesc_t *ps_out_buf;
     UWORD32 u4_num_bytes_dec = 0;
     UWORD32 file_pos = 0;
-    IV_API_CALL_STATUS_T e_dec_status;
+
     UWORD32 u4_ip_frm_ts = 0, u4_op_frm_ts = 0;
 
     WORD32 u4_bytes_remaining = 0;
-    void *pv_mem_rec_location;
-    UWORD32 u4_num_mem_recs;
     UWORD32 i;
     UWORD32 u4_ip_buf_len;
     UWORD32 frm_cnt = 0;
@@ -1910,9 +1889,6 @@ int main(WORD32 argc, CHAR *argv[])
     s_app_ctx.u4_num_cores = DEFAULT_NUM_CORES;
     s_app_ctx.i4_degrade_type = 0;
     s_app_ctx.i4_degrade_pics = 0;
-    s_app_ctx.max_wd = 0;
-    s_app_ctx.max_ht = 0;
-    s_app_ctx.max_level = 0;
     s_app_ctx.e_arch = ARCH_ARM_A9Q;
     s_app_ctx.e_soc = SOC_GENERIC;
 
@@ -2134,144 +2110,37 @@ int main(WORD32 argc, CHAR *argv[])
 
         ps_out_buf = (ivd_out_bufdesc_t *)malloc(sizeof(ivd_out_bufdesc_t));
 
-        {
-            iv_num_mem_rec_ip_t s_no_of_mem_rec_query_ip;
-            iv_num_mem_rec_op_t s_no_of_mem_rec_query_op;
-
-            s_no_of_mem_rec_query_ip.u4_size = sizeof(s_no_of_mem_rec_query_ip);
-            s_no_of_mem_rec_query_op.u4_size = sizeof(s_no_of_mem_rec_query_op);
-            s_no_of_mem_rec_query_ip.e_cmd = IV_CMD_GET_NUM_MEM_REC;
-
-            /*****************************************************************************/
-            /*   API Call: Get Number of Mem Records                                     */
-            /*****************************************************************************/
-            e_dec_status = ivd_api_function(
-                            NULL, (void*)&s_no_of_mem_rec_query_ip,
-                            (void*)&s_no_of_mem_rec_query_op);
-            if(IV_SUCCESS != e_dec_status)
-            {
-                sprintf(ac_error_str, "Error in get mem records");
-                codec_exit(ac_error_str);
-            }
-
-            u4_num_mem_recs = s_no_of_mem_rec_query_op.u4_num_mem_rec;
-        }
-
-        pv_mem_rec_location = malloc(u4_num_mem_recs * sizeof(iv_mem_rec_t));
-        if(pv_mem_rec_location == NULL)
-        {
-            sprintf(ac_error_str, "Allocation failure for mem_rec_location");
-            codec_exit(ac_error_str);
-
-        }
-
-        {
-            ih264d_fill_mem_rec_ip_t s_fill_mem_rec_ip;
-            ih264d_fill_mem_rec_op_t s_fill_mem_rec_op;
-            iv_mem_rec_t *ps_mem_rec;
-            UWORD32 total_size;
-
-            s_fill_mem_rec_ip.s_ivd_fill_mem_rec_ip_t.e_cmd =
-                            IV_CMD_FILL_NUM_MEM_REC;
-            s_fill_mem_rec_ip.s_ivd_fill_mem_rec_ip_t.pv_mem_rec_location =
-                            (iv_mem_rec_t *)pv_mem_rec_location;
-            s_fill_mem_rec_ip.s_ivd_fill_mem_rec_ip_t.u4_max_frm_wd =
-                            (s_app_ctx.max_wd == 0) ? MAX_FRAME_WIDTH : s_app_ctx.max_wd;
-            s_fill_mem_rec_ip.s_ivd_fill_mem_rec_ip_t.u4_max_frm_ht =
-                            (s_app_ctx.max_ht == 0) ? MAX_FRAME_HEIGHT : s_app_ctx.max_ht;
-            s_fill_mem_rec_ip.i4_level = (s_app_ctx.max_level == 0) ? MAX_LEVEL_SUPPORTED : s_app_ctx.max_level;
-            s_fill_mem_rec_ip.u4_num_ref_frames = MAX_REF_FRAMES;
-            s_fill_mem_rec_ip.u4_num_reorder_frames = MAX_REORDER_FRAMES;
-            s_fill_mem_rec_ip.u4_share_disp_buf = s_app_ctx.u4_share_disp_buf;
-            s_fill_mem_rec_ip.e_output_format =
-                            (IV_COLOR_FORMAT_T)s_app_ctx.e_output_chroma_format;
-            s_fill_mem_rec_ip.u4_num_extra_disp_buf = EXTRA_DISP_BUFFERS;
-
-            s_fill_mem_rec_ip.s_ivd_fill_mem_rec_ip_t.u4_size =
-                            sizeof(ih264d_fill_mem_rec_ip_t);
-            s_fill_mem_rec_op.s_ivd_fill_mem_rec_op_t.u4_size =
-                            sizeof(ih264d_fill_mem_rec_op_t);
-
-            ps_mem_rec = (iv_mem_rec_t *)pv_mem_rec_location;
-            for(i = 0; i < u4_num_mem_recs; i++)
-                ps_mem_rec[i].u4_size = sizeof(iv_mem_rec_t);
-
-            /*****************************************************************************/
-            /*   API Call: Fill Mem Records                                     */
-            /*****************************************************************************/
-
-            e_dec_status = ivd_api_function(NULL,
-                                                (void *)&s_fill_mem_rec_ip,
-                                                (void *)&s_fill_mem_rec_op);
-
-            u4_num_mem_recs =
-                            s_fill_mem_rec_op.s_ivd_fill_mem_rec_op_t.u4_num_mem_rec_filled;
-
-            if(IV_SUCCESS != e_dec_status)
-            {
-                sprintf(ac_error_str, "Error in fill mem records: %x",s_fill_mem_rec_op.s_ivd_fill_mem_rec_op_t.u4_error_code);
-                codec_exit(ac_error_str);
-            }
-
-            ps_mem_rec = (iv_mem_rec_t *)pv_mem_rec_location;
-            total_size = 0;
-            for(i = 0; i < u4_num_mem_recs; i++)
-            {
-                ps_mem_rec->pv_base = ih264a_aligned_malloc(ps_mem_rec->u4_mem_alignment,
-                                               ps_mem_rec->u4_mem_size);
-                if(ps_mem_rec->pv_base == NULL)
-                {
-                    sprintf(ac_error_str,
-                            "\nAllocation failure for mem record id %d i4_size %d\n",
-                            i, ps_mem_rec->u4_mem_size);
-                    codec_exit(ac_error_str);
-
-                }
-                total_size += ps_mem_rec->u4_mem_size;
-                ps_mem_rec++;
-            }
-            printf("\nTotal memory for codec %d\n", total_size);
-        }
         /*****************************************************************************/
         /*   API Call: Initialize the Decoder                                        */
         /*****************************************************************************/
         {
-            ih264d_init_ip_t s_init_ip;
-            ih264d_init_op_t s_init_op;
+            ih264d_create_ip_t s_create_ip;
+            ih264d_create_op_t s_create_op;
             void *fxns = &ivd_api_function;
-            iv_mem_rec_t *mem_tab;
-
-            mem_tab = (iv_mem_rec_t*)pv_mem_rec_location;
-            s_init_ip.s_ivd_init_ip_t.e_cmd = (IVD_API_COMMAND_TYPE_T)IV_CMD_INIT;
-            s_init_ip.s_ivd_init_ip_t.pv_mem_rec_location = mem_tab;
-            s_init_ip.s_ivd_init_ip_t.u4_frm_max_wd = (s_app_ctx.max_wd == 0) ? MAX_FRAME_WIDTH : s_app_ctx.max_wd;
-            s_init_ip.s_ivd_init_ip_t.u4_frm_max_ht = (s_app_ctx.max_ht == 0) ? MAX_FRAME_HEIGHT : s_app_ctx.max_ht;
-            s_init_ip.i4_level = (s_app_ctx.max_level == 0) ? MAX_LEVEL_SUPPORTED : s_app_ctx.max_level;
-            s_init_ip.u4_num_ref_frames = MAX_REF_FRAMES;
-            s_init_ip.u4_num_reorder_frames = MAX_REORDER_FRAMES;
-            s_init_ip.u4_share_disp_buf = s_app_ctx.u4_share_disp_buf;
-            s_init_ip.u4_num_extra_disp_buf = EXTRA_DISP_BUFFERS;
-            s_init_ip.s_ivd_init_ip_t.u4_num_mem_rec = u4_num_mem_recs;
-            s_init_ip.s_ivd_init_ip_t.e_output_format =
-                            (IV_COLOR_FORMAT_T)s_app_ctx.e_output_chroma_format;
-            s_init_ip.s_ivd_init_ip_t.u4_size = sizeof(ih264d_init_ip_t);
-            s_init_op.s_ivd_init_op_t.u4_size = sizeof(ih264d_init_op_t);
-
-            codec_obj = (iv_obj_t*)mem_tab[0].pv_base;
-            codec_obj->pv_fxns = fxns;
-            codec_obj->u4_size = sizeof(iv_obj_t);
 
-            s_app_ctx.cocodec_obj = codec_obj;
+            s_create_ip.s_ivd_create_ip_t.e_cmd = IVD_CMD_CREATE;
+            s_create_ip.s_ivd_create_ip_t.u4_share_disp_buf = s_app_ctx.u4_share_disp_buf;
+            s_create_ip.s_ivd_create_ip_t.e_output_format = (IV_COLOR_FORMAT_T)s_app_ctx.e_output_chroma_format;
+            s_create_ip.s_ivd_create_ip_t.pf_aligned_alloc = ih264a_aligned_malloc;
+            s_create_ip.s_ivd_create_ip_t.pf_aligned_free = ih264a_aligned_free;
+            s_create_ip.s_ivd_create_ip_t.pv_mem_ctxt = NULL;
+            s_create_ip.s_ivd_create_ip_t.u4_size = sizeof(ih264d_create_ip_t);
+            s_create_op.s_ivd_create_op_t.u4_size = sizeof(ih264d_create_op_t);
 
-            ret = ivd_api_function((iv_obj_t*)codec_obj, (void *)&s_init_ip,
-                                       (void *)&s_init_op);
+
+
+            ret = ivd_api_function(NULL, (void *)&s_create_ip,
+                                       (void *)&s_create_op);
             if(ret != IV_SUCCESS)
             {
-                sprintf(ac_error_str, "Error in Init %8x\n",
-                        s_init_op.s_ivd_init_op_t.u4_error_code);
+                sprintf(ac_error_str, "Error in Create %8x\n",
+                        s_create_op.s_ivd_create_op_t.u4_error_code);
                 codec_exit(ac_error_str);
             }
-
+            codec_obj = (iv_obj_t*)s_create_op.s_ivd_create_op_t.pv_handle;
+            codec_obj->pv_fxns = fxns;
+            codec_obj->u4_size = sizeof(iv_obj_t);
+            s_app_ctx.cocodec_obj = codec_obj;
 
             /*****************************************************************************/
             /*  set stride                                                               */
@@ -2286,7 +2155,7 @@ int main(WORD32 argc, CHAR *argv[])
                     s_ctl_ip.u4_disp_wd = s_app_ctx.get_stride();
 
                 s_ctl_ip.e_frm_skip_mode = IVD_SKIP_NONE;
-                s_ctl_ip.e_frm_out_mode = IVD_DECODE_FRAME_OUT;
+                s_ctl_ip.e_frm_out_mode = IVD_DISPLAY_FRAME_OUT;
                 s_ctl_ip.e_vid_dec_mode = IVD_DECODE_HEADER;
                 s_ctl_ip.e_cmd = IVD_CMD_VIDEO_CTL;
                 s_ctl_ip.e_sub_cmd = IVD_CMD_CTL_SETPARAMS;
@@ -2304,128 +2173,7 @@ int main(WORD32 argc, CHAR *argv[])
             }
 
 
-            /*****************************************************************************/
-            /*  Input and output buffer allocation                                       */
-            /*****************************************************************************/
-            {
-
-                ivd_ctl_getbufinfo_ip_t s_ctl_ip;
-                ivd_ctl_getbufinfo_op_t s_ctl_op;
-                WORD32 outlen = 0;
-
-                s_ctl_ip.e_cmd = IVD_CMD_VIDEO_CTL;
-                s_ctl_ip.e_sub_cmd = IVD_CMD_CTL_GETBUFINFO;
-                s_ctl_ip.u4_size = sizeof(ivd_ctl_getbufinfo_ip_t);
-                s_ctl_op.u4_size = sizeof(ivd_ctl_getbufinfo_op_t);
-                ret = ivd_api_function((iv_obj_t*)codec_obj, (void *)&s_ctl_ip,
-                                           (void *)&s_ctl_op);
-                if(ret != IV_SUCCESS)
-                {
-                    sprintf(ac_error_str, "Error in Get Buf Info %x", s_ctl_op.u4_error_code);
-                    codec_exit(ac_error_str);
-                }
-
-                /* Allocate input buffer */
-                u4_ip_buf_len = s_ctl_op.u4_min_in_buf_size[0];
-                pu1_bs_buf = (UWORD8 *)malloc(u4_ip_buf_len);
-
-                if(pu1_bs_buf == NULL)
-                {
-                    sprintf(ac_error_str,
-                            "\nAllocation failure for input buffer of i4_size %d",
-                            u4_ip_buf_len);
-                    codec_exit(ac_error_str);
-                }
-                s_app_ctx.num_disp_buf = s_ctl_op.u4_num_disp_bufs;
-                /* Allocate output buffer only if display buffers are not shared */
-                /* Or if shared and output is 420P */
-                if((0 == s_app_ctx.u4_share_disp_buf) || (IV_YUV_420P == s_app_ctx.e_output_chroma_format))
-                {
-                    ps_out_buf->u4_min_out_buf_size[0] =
-                                    s_ctl_op.u4_min_out_buf_size[0];
-                    ps_out_buf->u4_min_out_buf_size[1] =
-                                    s_ctl_op.u4_min_out_buf_size[1];
-                    ps_out_buf->u4_min_out_buf_size[2] =
-                                    s_ctl_op.u4_min_out_buf_size[2];
-
-                    outlen = s_ctl_op.u4_min_out_buf_size[0];
-                    if(s_ctl_op.u4_min_num_out_bufs > 1)
-                        outlen += s_ctl_op.u4_min_out_buf_size[1];
-
-                    if(s_ctl_op.u4_min_num_out_bufs > 2)
-                        outlen += s_ctl_op.u4_min_out_buf_size[2];
-
-                    ps_out_buf->pu1_bufs[0] = (UWORD8 *)malloc(outlen);
-                    if(ps_out_buf->pu1_bufs[0] == NULL)
-                    {
-                        sprintf(ac_error_str,
-                                "\nAllocation failure for output buffer of i4_size %d",
-                                outlen);
-                        codec_exit(ac_error_str);
-                    }
-
-                    if(s_ctl_op.u4_min_num_out_bufs > 1)
-                        ps_out_buf->pu1_bufs[1] = ps_out_buf->pu1_bufs[0]
-                                        + (s_ctl_op.u4_min_out_buf_size[0]);
-
-                    if(s_ctl_op.u4_min_num_out_bufs > 2)
-                        ps_out_buf->pu1_bufs[2] = ps_out_buf->pu1_bufs[1]
-                                        + (s_ctl_op.u4_min_out_buf_size[1]);
-
-                    ps_out_buf->u4_num_bufs = s_ctl_op.u4_min_num_out_bufs;
-                }
 
-#ifdef APP_EXTRA_BUFS
-                s_app_ctx.disp_delay = EXTRA_DISP_BUFFERS;
-                s_ctl_op.u4_num_disp_bufs += EXTRA_DISP_BUFFERS;
-#endif
-
-                /*****************************************************************************/
-                /*   API Call: Allocate display buffers for display buffer shared case       */
-                /*****************************************************************************/
-
-                for(i = 0; i < s_ctl_op.u4_num_disp_bufs; i++)
-                {
-
-                    s_app_ctx.s_disp_buffers[i].u4_min_out_buf_size[0] =
-                                    s_ctl_op.u4_min_out_buf_size[0];
-                    s_app_ctx.s_disp_buffers[i].u4_min_out_buf_size[1] =
-                                    s_ctl_op.u4_min_out_buf_size[1];
-                    s_app_ctx.s_disp_buffers[i].u4_min_out_buf_size[2] =
-                                    s_ctl_op.u4_min_out_buf_size[2];
-
-                    outlen = s_ctl_op.u4_min_out_buf_size[0];
-                    if(s_ctl_op.u4_min_num_out_bufs > 1)
-                        outlen += s_ctl_op.u4_min_out_buf_size[1];
-
-                    if(s_ctl_op.u4_min_num_out_bufs > 2)
-                        outlen += s_ctl_op.u4_min_out_buf_size[2];
-
-                    s_app_ctx.s_disp_buffers[i].pu1_bufs[0] = (UWORD8 *)malloc(outlen);
-
-                    if(s_app_ctx.s_disp_buffers[i].pu1_bufs[0] == NULL)
-                    {
-                        sprintf(ac_error_str,
-                                "\nAllocation failure for output buffer of i4_size %d",
-                                outlen);
-                        codec_exit(ac_error_str);
-                    }
-
-                    if(s_ctl_op.u4_min_num_out_bufs > 1)
-                        s_app_ctx.s_disp_buffers[i].pu1_bufs[1] =
-                                        s_app_ctx.s_disp_buffers[i].pu1_bufs[0]
-                                                        + (s_ctl_op.u4_min_out_buf_size[0]);
-
-                    if(s_ctl_op.u4_min_num_out_bufs > 2)
-                        s_app_ctx.s_disp_buffers[i].pu1_bufs[2] =
-                                        s_app_ctx.s_disp_buffers[i].pu1_bufs[1]
-                                                        + (s_ctl_op.u4_min_out_buf_size[1]);
-
-                    s_app_ctx.s_disp_buffers[i].u4_num_bufs =
-                                    s_ctl_op.u4_min_num_out_bufs;
-                }
-                s_app_ctx.num_disp_buf = s_ctl_op.u4_num_disp_bufs;
-            }
         }
 
     }
@@ -2485,37 +2233,54 @@ int main(WORD32 argc, CHAR *argv[])
     /*   Decode header to get width and height and buffer sizes                  */
     /*****************************************************************************/
     {
-
-        ivd_ctl_set_config_ip_t s_ctl_ip;
-        ivd_ctl_set_config_op_t s_ctl_op;
-
         ivd_video_decode_ip_t s_video_decode_ip;
         ivd_video_decode_op_t s_video_decode_op;
 
-        s_ctl_ip.u4_disp_wd = STRIDE;
-        if(1 == s_app_ctx.display)
-            s_ctl_ip.u4_disp_wd = s_app_ctx.get_stride();
 
-        s_ctl_ip.e_frm_skip_mode = IVD_SKIP_NONE;
-        s_ctl_ip.e_frm_out_mode = IVD_DISPLAY_FRAME_OUT;
-        s_ctl_ip.e_vid_dec_mode = IVD_DECODE_HEADER;
-        s_ctl_ip.e_cmd = IVD_CMD_VIDEO_CTL;
-        s_ctl_ip.e_sub_cmd = IVD_CMD_CTL_SETPARAMS;
-        s_ctl_ip.u4_size = sizeof(ivd_ctl_set_config_ip_t);
-        s_ctl_op.u4_size = sizeof(ivd_ctl_set_config_op_t);
 
-        ret = ivd_api_function((iv_obj_t*)codec_obj, (void *)&s_ctl_ip,
-                                   (void *)&s_ctl_op);
-        if(ret != IV_SUCCESS)
+        {
+            ivd_ctl_set_config_ip_t s_ctl_ip;
+            ivd_ctl_set_config_op_t s_ctl_op;
+
+
+            s_ctl_ip.u4_disp_wd = STRIDE;
+            if(1 == s_app_ctx.display)
+                s_ctl_ip.u4_disp_wd = s_app_ctx.get_stride();
+
+            s_ctl_ip.e_frm_skip_mode = IVD_SKIP_NONE;
+            s_ctl_ip.e_frm_out_mode = IVD_DISPLAY_FRAME_OUT;
+            s_ctl_ip.e_vid_dec_mode = IVD_DECODE_HEADER;
+            s_ctl_ip.e_cmd = IVD_CMD_VIDEO_CTL;
+            s_ctl_ip.e_sub_cmd = IVD_CMD_CTL_SETPARAMS;
+            s_ctl_ip.u4_size = sizeof(ivd_ctl_set_config_ip_t);
+            s_ctl_op.u4_size = sizeof(ivd_ctl_set_config_op_t);
+
+            ret = ivd_api_function((iv_obj_t*)codec_obj, (void *)&s_ctl_ip,
+                                       (void *)&s_ctl_op);
+            if(ret != IV_SUCCESS)
+            {
+                sprintf(ac_error_str,
+                        "\nError in setting the codec in header decode mode");
+                codec_exit(ac_error_str);
+            }
+        }
+
+        /* Allocate input buffer for header */
+        u4_ip_buf_len = 256 * 1024;
+        pu1_bs_buf = (UWORD8 *)malloc(u4_ip_buf_len);
+
+        if(pu1_bs_buf == NULL)
         {
             sprintf(ac_error_str,
-                    "\nError in setting the codec in header decode mode");
+                    "\nAllocation failure for input buffer of i4_size %d",
+                    u4_ip_buf_len);
             codec_exit(ac_error_str);
         }
 
         do
         {
             WORD32 numbytes;
+
             if(0 == s_app_ctx.u4_piclen_flag)
             {
                 fseek(ps_ip_file, file_pos, SEEK_SET);
@@ -2569,10 +2334,181 @@ int main(WORD32 argc, CHAR *argv[])
         s_app_ctx.u4_pic_wd = s_video_decode_op.u4_pic_wd;
         s_app_ctx.u4_pic_ht = s_video_decode_op.u4_pic_ht;
 
+        /* Allocate input buffer */
+        u4_ip_buf_len = 2048 * 2048;
+        free(pu1_bs_buf);
+
 #if IOS_DISPLAY
         s_app_ctx.i4_screen_wd = screen_wd;
         s_app_ctx.i4_screen_ht = screen_ht;
 #endif
+        {
+
+            ivd_ctl_getbufinfo_ip_t s_ctl_ip;
+            ivd_ctl_getbufinfo_op_t s_ctl_op;
+            WORD32 outlen = 0;
+
+            s_ctl_ip.e_cmd = IVD_CMD_VIDEO_CTL;
+            s_ctl_ip.e_sub_cmd = IVD_CMD_CTL_GETBUFINFO;
+            s_ctl_ip.u4_size = sizeof(ivd_ctl_getbufinfo_ip_t);
+            s_ctl_op.u4_size = sizeof(ivd_ctl_getbufinfo_op_t);
+            ret = ivd_api_function((iv_obj_t*)codec_obj, (void *)&s_ctl_ip,
+                                       (void *)&s_ctl_op);
+            if(ret != IV_SUCCESS)
+            {
+                sprintf(ac_error_str, "Error in Get Buf Info %x", s_ctl_op.u4_error_code);
+                codec_exit(ac_error_str);
+            }
+
+            /* Allocate bitstream buffer */
+            u4_ip_buf_len = s_ctl_op.u4_min_in_buf_size[0];
+#ifdef ADAPTIVE_TEST
+            u4_ip_buf_len = ADAPTIVE_MAX_WD * ADAPTIVE_MAX_HT * 3 >> 1;
+#endif
+            pu1_bs_buf = (UWORD8 *)malloc(u4_ip_buf_len);
+
+            if(pu1_bs_buf == NULL)
+            {
+                sprintf(ac_error_str,
+                        "\nAllocation failure for input buffer of i4_size %d",
+                        u4_ip_buf_len);
+                codec_exit(ac_error_str);
+            }
+
+            s_app_ctx.num_disp_buf = s_ctl_op.u4_num_disp_bufs;
+            /* Allocate output buffer only if display buffers are not shared */
+            /* Or if shared and output is 420P */
+            if((0 == s_app_ctx.u4_share_disp_buf) || (IV_YUV_420P == s_app_ctx.e_output_chroma_format))
+            {
+#ifdef ADAPTIVE_TEST
+                switch(s_app_ctx.e_output_chroma_format)
+                {
+                    case IV_YUV_420P:
+                    {
+                        s_ctl_op.u4_min_out_buf_size[0] = ADAPTIVE_MAX_WD * ADAPTIVE_MAX_HT;
+                        s_ctl_op.u4_min_out_buf_size[1] = ADAPTIVE_MAX_WD * ADAPTIVE_MAX_HT >> 2;
+                        s_ctl_op.u4_min_out_buf_size[2] = ADAPTIVE_MAX_WD * ADAPTIVE_MAX_HT >> 2;
+                        break;
+                    }
+                    case IV_YUV_420SP_UV:
+                    case IV_YUV_420SP_VU:
+                    {
+                        s_ctl_op.u4_min_out_buf_size[0] = ADAPTIVE_MAX_WD * ADAPTIVE_MAX_HT;
+                        s_ctl_op.u4_min_out_buf_size[1] = ADAPTIVE_MAX_WD * ADAPTIVE_MAX_HT >> 1;
+                        s_ctl_op.u4_min_out_buf_size[2] = 0;
+                        break;
+                    }
+                    case IV_YUV_422ILE:
+                    {
+                        s_ctl_op.u4_min_out_buf_size[0] = ADAPTIVE_MAX_WD * ADAPTIVE_MAX_HT * 2;
+                        s_ctl_op.u4_min_out_buf_size[1] = 0;
+                        s_ctl_op.u4_min_out_buf_size[2] = 0;
+                        break;
+                    }
+                    case IV_RGBA_8888:
+                    {
+                        s_ctl_op.u4_min_out_buf_size[0] = ADAPTIVE_MAX_WD * ADAPTIVE_MAX_HT * 4;
+                        s_ctl_op.u4_min_out_buf_size[1] = 0;
+                        s_ctl_op.u4_min_out_buf_size[2] = 0;
+                        break;
+                    }
+                    case IV_RGB_565:
+                    {
+                        s_ctl_op.u4_min_out_buf_size[0] = ADAPTIVE_MAX_WD * ADAPTIVE_MAX_HT * 2;
+                        s_ctl_op.u4_min_out_buf_size[1] = 0;
+                        s_ctl_op.u4_min_out_buf_size[2] = 0;
+                        break;
+                    }
+                    default:
+                        break;
+
+                }
+#endif
+                ps_out_buf->u4_min_out_buf_size[0] =
+                                s_ctl_op.u4_min_out_buf_size[0];
+                ps_out_buf->u4_min_out_buf_size[1] =
+                                s_ctl_op.u4_min_out_buf_size[1];
+                ps_out_buf->u4_min_out_buf_size[2] =
+                                s_ctl_op.u4_min_out_buf_size[2];
+
+                outlen = s_ctl_op.u4_min_out_buf_size[0];
+                if(s_ctl_op.u4_min_num_out_bufs > 1)
+                    outlen += s_ctl_op.u4_min_out_buf_size[1];
+
+                if(s_ctl_op.u4_min_num_out_bufs > 2)
+                    outlen += s_ctl_op.u4_min_out_buf_size[2];
+
+                ps_out_buf->pu1_bufs[0] = (UWORD8 *)malloc(outlen);
+                if(ps_out_buf->pu1_bufs[0] == NULL)
+                {
+                    sprintf(ac_error_str,
+                            "\nAllocation failure for output buffer of i4_size %d",
+                            outlen);
+                    codec_exit(ac_error_str);
+                }
+
+                if(s_ctl_op.u4_min_num_out_bufs > 1)
+                    ps_out_buf->pu1_bufs[1] = ps_out_buf->pu1_bufs[0]
+                                    + (s_ctl_op.u4_min_out_buf_size[0]);
+
+                if(s_ctl_op.u4_min_num_out_bufs > 2)
+                    ps_out_buf->pu1_bufs[2] = ps_out_buf->pu1_bufs[1]
+                                    + (s_ctl_op.u4_min_out_buf_size[1]);
+
+                ps_out_buf->u4_num_bufs = s_ctl_op.u4_min_num_out_bufs;
+            }
+
+#ifdef APP_EXTRA_BUFS
+            s_app_ctx.disp_delay = EXTRA_DISP_BUFFERS;
+            s_ctl_op.u4_num_disp_bufs += EXTRA_DISP_BUFFERS;
+#endif
+
+            /*****************************************************************************/
+            /*   API Call: Allocate display buffers for display buffer shared case       */
+            /*****************************************************************************/
+
+            for(i = 0; i < s_ctl_op.u4_num_disp_bufs; i++)
+            {
+
+                s_app_ctx.s_disp_buffers[i].u4_min_out_buf_size[0] =
+                                s_ctl_op.u4_min_out_buf_size[0];
+                s_app_ctx.s_disp_buffers[i].u4_min_out_buf_size[1] =
+                                s_ctl_op.u4_min_out_buf_size[1];
+                s_app_ctx.s_disp_buffers[i].u4_min_out_buf_size[2] =
+                                s_ctl_op.u4_min_out_buf_size[2];
+
+                outlen = s_ctl_op.u4_min_out_buf_size[0];
+                if(s_ctl_op.u4_min_num_out_bufs > 1)
+                    outlen += s_ctl_op.u4_min_out_buf_size[1];
+
+                if(s_ctl_op.u4_min_num_out_bufs > 2)
+                    outlen += s_ctl_op.u4_min_out_buf_size[2];
+
+                s_app_ctx.s_disp_buffers[i].pu1_bufs[0] = (UWORD8 *)malloc(outlen);
+
+                if(s_app_ctx.s_disp_buffers[i].pu1_bufs[0] == NULL)
+                {
+                    sprintf(ac_error_str,
+                            "\nAllocation failure for output buffer of i4_size %d",
+                            outlen);
+                    codec_exit(ac_error_str);
+                }
+
+                if(s_ctl_op.u4_min_num_out_bufs > 1)
+                    s_app_ctx.s_disp_buffers[i].pu1_bufs[1] =
+                                    s_app_ctx.s_disp_buffers[i].pu1_bufs[0]
+                                                    + (s_ctl_op.u4_min_out_buf_size[0]);
+
+                if(s_ctl_op.u4_min_num_out_bufs > 2)
+                    s_app_ctx.s_disp_buffers[i].pu1_bufs[2] =
+                                    s_app_ctx.s_disp_buffers[i].pu1_bufs[1]
+                                                    + (s_ctl_op.u4_min_out_buf_size[1]);
+
+                s_app_ctx.s_disp_buffers[i].u4_num_bufs =
+                                s_ctl_op.u4_min_num_out_bufs;
+            }
+            s_app_ctx.num_disp_buf = s_ctl_op.u4_num_disp_bufs;
+        }
 
         /* Create display thread and wait for the display buffers to be initialized */
         if(1 == s_app_ctx.display)
@@ -3034,7 +2970,6 @@ int main(WORD32 argc, CHAR *argv[])
                     }
 
                 }
-
             }
 
 
@@ -3158,39 +3093,21 @@ int main(WORD32 argc, CHAR *argv[])
     }
 
     {
-        iv_retrieve_mem_rec_ip_t s_retrieve_dec_ip;
-        iv_retrieve_mem_rec_op_t s_retrieve_dec_op;
-        s_retrieve_dec_ip.pv_mem_rec_location = (iv_mem_rec_t *)pv_mem_rec_location;
+        ivd_delete_ip_t s_delete_dec_ip;
+        ivd_delete_op_t s_delete_dec_op;
 
-        s_retrieve_dec_ip.e_cmd = IV_CMD_RETRIEVE_MEMREC;
-        s_retrieve_dec_ip.u4_size = sizeof(iv_retrieve_mem_rec_ip_t);
-        s_retrieve_dec_op.u4_size = sizeof(iv_retrieve_mem_rec_op_t);
+        s_delete_dec_ip.e_cmd = IVD_CMD_DELETE;
+        s_delete_dec_ip.u4_size = sizeof(ivd_delete_ip_t);
+        s_delete_dec_op.u4_size = sizeof(ivd_delete_op_t);
 
-        ret = ivd_api_function((iv_obj_t *)codec_obj, (void *)&s_retrieve_dec_ip,
-                                   (void *)&s_retrieve_dec_op);
+        ret = ivd_api_function((iv_obj_t *)codec_obj, (void *)&s_delete_dec_ip,
+                                   (void *)&s_delete_dec_op);
 
         if(IV_SUCCESS != ret)
         {
-            sprintf(ac_error_str, "Error in Retrieve Memrec");
+            sprintf(ac_error_str, "Error in Codec delete");
             codec_exit(ac_error_str);
         }
-
-        {
-            iv_mem_rec_t *ps_mem_rec;
-            UWORD16 u2_i;
-
-            u4_num_mem_recs = s_retrieve_dec_op.u4_num_mem_rec_filled;
-
-            ps_mem_rec = s_retrieve_dec_ip.pv_mem_rec_location;
-
-            for(u2_i = 0; u2_i < u4_num_mem_recs; u2_i++)
-            {
-                ih264a_aligned_free(ps_mem_rec->pv_base);
-                ps_mem_rec++;
-            }
-            free(s_retrieve_dec_ip.pv_mem_rec_location);
-        }
-
     }
     /***********************************************************************/
     /*              Close all the files and free all the memory            */