diff options
Diffstat (limited to 'encoder/ih264e_rate_control.c')
| -rw-r--r-- | encoder/ih264e_rate_control.c | 141 |
1 files changed, 35 insertions, 106 deletions
diff --git a/encoder/ih264e_rate_control.c b/encoder/ih264e_rate_control.c index 1e2fe4f..1da2f03 100644 --- a/encoder/ih264e_rate_control.c +++ b/encoder/ih264e_rate_control.c @@ -63,6 +63,7 @@ #include "ih264_intra_pred_filters.h" #include "ih264_deblk_edge_filters.h" #include "ih264_common_tables.h" +#include "ih264_cabac_tables.h" #include "ih264e_defs.h" #include "ih264e_globals.h" #include "irc_mem_req_and_acq.h" @@ -75,7 +76,9 @@ #include "ih264e_error.h" #include "ih264e_bitstream.h" #include "ime_distortion_metrics.h" +#include "ime_defs.h" #include "ime_structs.h" +#include "ih264e_cabac_structs.h" #include "ih264e_structs.h" #include "ih264e_utils.h" #include "irc_trace_support.h" @@ -186,6 +189,7 @@ void ih264e_rc_init(void *pv_rc_api, UWORD32 u4_peak_bit_rate, UWORD32 u4_max_delay, UWORD32 u4_intra_frame_interval, + WORD32 i4_inter_frm_int, UWORD8 *pu1_init_qp, WORD32 i4_max_inter_frm_int, UWORD8 *pu1_min_max_qp, @@ -230,6 +234,9 @@ void ih264e_rc_init(void *pv_rc_api, u4_src_ticks = ih264e_frame_time_get_src_ticks(pv_frame_time); u4_tgt_ticks = ih264e_frame_time_get_tgt_ticks(pv_frame_time); + /* Init max_inter_frame int */ + i4_max_inter_frm_int = (i4_inter_frm_int == 1) ? 2 : (i4_inter_frm_int + 2); + /* Initialize the rate control */ irc_initialise_rate_control(pv_rc_api, /* RC handle */ e_rate_control_type, /* RC algo type */ @@ -240,6 +247,7 @@ void ih264e_rc_init(void *pv_rc_api, u4_src_frm_rate, /* Src frame_rate */ u4_max_delay, /* Max buffer delay */ u4_intra_frame_interval, /* Intra frm_interval */ + i4_inter_frm_int, /* Inter frame interval */ pu1_init_qp, /* Init QP array[3]:[I][P][B] */ u4_max_cpb_size, /* Max VBV/CPB Buffer Size */ i4_max_inter_frm_int, /* Max inter frm_interval */ @@ -268,13 +276,13 @@ void ih264e_rc_init(void *pv_rc_api, * ******************************************************************************* */ -picture_type_e ih264e_rc_get_picture_details(void *pv_rc_api) +picture_type_e ih264e_rc_get_picture_details(void *pv_rc_api, + WORD32 *pi4_pic_id, + WORD32 *pi4_pic_disp_order_no) { - WORD32 i4_pic_id = 0; - WORD32 i4_pic_disp_order_no = 0; picture_type_e e_rc_pic_type = P_PIC; - irc_get_picture_details(pv_rc_api, &i4_pic_id, &i4_pic_disp_order_no, + irc_get_picture_details(pv_rc_api, pi4_pic_id, pi4_pic_disp_order_no, &e_rc_pic_type); return (e_rc_pic_type); @@ -286,8 +294,9 @@ picture_type_e ih264e_rc_get_picture_details(void *pv_rc_api) * @brief Function to get rate control output before encoding * * @par Description -* This function is called before encoding the current frame and gets the qp -* for the current frame from rate control module +* This function is called before queing the current frame. It decides if we should +* skip the current iput buffer due to frame rate mismatch. It also updates RC about +* the acehivble frame rate * * @param[in] ps_rate_control_api * Handle to rate control api @@ -314,138 +323,58 @@ picture_type_e ih264e_rc_get_picture_details(void *pv_rc_api) * QP for current frame * * @returns -* Skip or encode the current frame +* Skip or queue the current frame * * @remarks * ******************************************************************************* */ -WORD32 ih264e_rc_pre_enc(void * ps_rate_control_api, - void * ps_pd_frm_rate, - void * ps_time_stamp, - void * ps_frame_time, - WORD32 i4_delta_time_stamp, - WORD32 i4_total_mb_in_frame, - picture_type_e *pe_vop_coding_type, - UWORD8 *pu1_frame_qp) +WORD32 ih264e_update_rc_framerates(void *ps_rate_control_api, + void *ps_pd_frm_rate, + void *ps_time_stamp, + void *ps_frame_time) { - WORD8 i4_skip_src = 0, i4_num_app_skips = 0; + WORD8 i4_skip_src = 0; UWORD32 u4_src_not_skipped_for_dts = 0; - /* Variables for the update_frm_level_info */ - WORD32 ai4_tot_mb_in_type[MAX_MB_TYPE]; - WORD32 ai4_tot_mb_type_qp[MAX_MB_TYPE] = {0, 0}; - WORD32 ai4_mb_type_sad[MAX_MB_TYPE] = {0, 0}; - WORD32 ai4_mb_type_tex_bits[MAX_MB_TYPE] = {0, 0}; - WORD32 i4_total_frame_bits = 0; - WORD32 i4_total_hdr_bits = 0; - WORD32 i4_avg_mb_activity = 0; - WORD32 i4_intra_frm_cost = 0; - UWORD8 u1_is_scd = 0; - - /* Set all the MBs to Intra */ - ai4_tot_mb_in_type[0] = i4_total_mb_in_frame; - ai4_tot_mb_in_type[1] = 0; - - /* If delta time stamp is greater than 1, do rcupdate that many times */ - for (i4_num_app_skips = 0; (i4_num_app_skips < i4_delta_time_stamp - 1); i4_num_app_skips++) - { - /*update the missing frames frm_rate with 0 */ - ih264e_update_pd_frm_rate(ps_pd_frm_rate,0); - - /* Update the time stamp */ - ih264e_update_time_stamp(ps_time_stamp); - - /* Do a pre encode skip update */ - - irc_update_frame_level_info(ps_rate_control_api, - (*pe_vop_coding_type), - ai4_mb_type_sad, /* Frame level SAD for each type of MB[Intra/Inter] */ - i4_total_frame_bits, /* Total frame bits actually consumed */ - i4_total_hdr_bits, /*header bits for model updation*/ - ai4_mb_type_tex_bits, /* Total texture bits consumed for each type of MB[Intra/Inter] used for model */ - ai4_tot_mb_type_qp, /* Total qp of all MBs based on mb type */ - ai4_tot_mb_in_type, /* total number of mbs in each mb type */ - i4_avg_mb_activity, /* Average mb activity in frame */ - u1_is_scd, /* Is a scene change detected at the current frame */ - 1, /* If it's a pre-encode skip */ - i4_intra_frm_cost, /* Sum of Intra cost for each frame */ - 0); /* Is pic handling [irc_update_pic_handling_state] done before update */ - } - /* Update the time stamp for the current frame */ ih264e_update_time_stamp(ps_time_stamp); /* Check if a src not needs to be skipped */ i4_skip_src = ih264e_should_src_be_skipped(ps_frame_time, - i4_delta_time_stamp, + 1, &u4_src_not_skipped_for_dts); - /*********************************************************************** - Based on difference in source and target frame rate frames are skipped - ***********************************************************************/ if (i4_skip_src) { + /*********************************************************************** + *Based on difference in source and target frame rate frames are skipped + ***********************************************************************/ /*update the missing frames frm_rate with 0 */ - ih264e_update_pd_frm_rate(ps_pd_frm_rate,0); - - /* Do a pre encode skip update */ - irc_update_frame_level_info(ps_rate_control_api, - (*pe_vop_coding_type), - ai4_mb_type_sad, /* Frame level SAD for each type of MB[Intra/Inter] */ - i4_total_frame_bits, /* Total frame bits actually consumed */ - i4_total_hdr_bits, /*header bits for model updation*/ - ai4_mb_type_tex_bits, /* Total texture bits consumed for each type of MB[Intra/Inter] used for model */ - ai4_tot_mb_type_qp, /* Total qp of all MBs based on mb type */ - ai4_tot_mb_in_type, /* total number of mbs in each mb type */ - i4_avg_mb_activity, /* Average mb activity in frame */ - u1_is_scd, /* Is a scene change detected at the current frame */ - 1, /* If it's a pre-encode skip */ - i4_intra_frm_cost, /* Sum of Intra cost for each frame */ - 0); /* Is pic handling [irc_update_pic_handling_state] done before update */ - - /* Set the current frame type to NA */ - *pe_vop_coding_type = BUF_PIC; + ih264e_update_pd_frm_rate(ps_pd_frm_rate, 0); } else { -#define MAX_FRAME_BITS 0x7FFFFFFF -// WORD32 i4_pic_id; -// WORD32 i4_pic_disp_order_no; WORD32 i4_avg_frm_rate, i4_source_frame_rate; - i4_source_frame_rate = ih264e_frame_time_get_src_frame_rate(ps_frame_time); + i4_source_frame_rate = ih264e_frame_time_get_src_frame_rate( + ps_frame_time); /* Update the frame rate of the frame present with the tgt_frm_rate */ /* If the frm was not skipped due to delta_time_stamp, update the - frame_rate with double the tgt_frame_rate value, so that it makes - up for one of the frames skipped by the application */ - ih264e_update_pd_frm_rate(ps_pd_frm_rate, - i4_source_frame_rate); + frame_rate with double the tgt_frame_rate value, so that it makes + up for one of the frames skipped by the application */ + ih264e_update_pd_frm_rate(ps_pd_frm_rate, i4_source_frame_rate); /* Based on the update get the average frame rate */ i4_avg_frm_rate = ih264e_get_pd_avg_frm_rate(ps_pd_frm_rate); /* Call the RC library function to change the frame_rate to the - actually achieved frm_rate */ + actually achieved frm_rate */ irc_change_frm_rate_for_bit_alloc(ps_rate_control_api, i4_avg_frm_rate); - - /* --------Rate control related things. Get pic type and frame Qp---------*/ - /* Add picture to the stack. For IPP encoder we push the variable - into the stack and get back the variables by requesting RC. - This interface is designed for IPB encoder */ - irc_add_picture_to_stack(ps_rate_control_api, 1); - - /* Query the picture_type */ - *pe_vop_coding_type = ih264e_rc_get_picture_details(ps_rate_control_api); - - /* Get current frame Qp */ - pu1_frame_qp[0] = (UWORD8)irc_get_frame_level_qp(ps_rate_control_api, - (picture_type_e)(pe_vop_coding_type[0]), - MAX_FRAME_BITS); } - return(i4_skip_src); + return (i4_skip_src); } /** @@ -678,8 +607,8 @@ WORD32 ih264e_rc_post_enc(void * ps_rate_control_api, &u1_enc_buf_overflow,&u1_enc_buf_underflow); /* We skip the frame if decoder buffer is underflowing. But we never skip first I frame */ - // if((u1_enc_buf_overflow == 1) && (i4_is_first_frame != 1)) - if ((u1_enc_buf_overflow == 1) && (i4_is_first_frame != 0)) + if ((u1_enc_buf_overflow == 1) && (i4_is_first_frame != 1)) + // if ((u1_enc_buf_overflow == 1) && (i4_is_first_frame != 0)) { irc_post_encode_frame_skip(ps_rate_control_api, (picture_type_e)pe_vop_coding_type[0]); // i4_total_frame_bits = imp4_write_skip_frame_header(ps_enc); |