Merge "Fix in handling wrong cu_qp_delta" into lmp-dev am: 98f9e26d24 am: 10f2b105f5 am: b4ddce56d1 am: 59b232588b am: ca85c43d8d am: fc093b18cd am: 4f28fb5344 am: 29a107d6fb am: a066d53106 am: 6316faf131android-7.1.2_r6android-7.1.2_r5android-7.1.2_r4android-7.1.2_r3android-7.1.2_r2android-7.1.2_r1nougat-mr2-dev

am: 59f1a8e383

Change-Id: I0147bf4be34afb2c1ed34642b14872059d01727d

2 files changed, 11 insertions, 3 deletions

diff --git a/decoder/ihevcd_cabac.c b/decoder/ihevcd_cabac.c
index fa249c4..3a03aa8 100644
--- a/decoder/ihevcd_cabac.c
+++ b/decoder/ihevcd_cabac.c
@@ -669,14 +669,13 @@ UWORD32 ihevcd_cabac_decode_bypass_bins_egk(cab_ctxt_t *ps_cabac,
     numones = k;
     bin = 1;
     u4_sym = 0;
-    while(bin)
+    while(bin && (numones <= 16))
     {
         IHEVCD_CABAC_DECODE_BYPASS_BIN(bin, ps_cabac, ps_bitstrm);
         u4_sym += bin << numones++;
     }
 
     numones -= 1;
-    numones = CLIP3(numones, 0, 16);
 
     if(numones)
     {
diff --git a/decoder/ihevcd_parse_slice.c b/decoder/ihevcd_parse_slice.c
index 853afee..96af4e1 100644
--- a/decoder/ihevcd_parse_slice.c
+++ b/decoder/ihevcd_parse_slice.c
@@ -82,6 +82,9 @@
 /* Bit stream offset threshold */
 #define BITSTRM_OFF_THRS 8
 
+#define MIN_CU_QP_DELTA_ABS(x) (-26 + ((x) * 6) / 2)
+#define MAX_CU_QP_DELTA_ABS(x) (25 + ((x) * 6) / 2)
+
 /**
  * Table used to decode part_mode if AMP is enabled and current CU is not min CU
  */
@@ -302,7 +305,6 @@ WORD32 ihevcd_parse_transform_tree(codec_t *ps_codec,
                     }
                     AEV_TRACE("cu_qp_delta_abs", cu_qp_delta_abs, ps_cabac->u4_range);
 
-
                     ps_codec->s_parse.i4_is_cu_qp_delta_coded = 1;
 
 
@@ -315,6 +317,13 @@ WORD32 ihevcd_parse_transform_tree(codec_t *ps_codec,
                             cu_qp_delta_abs = -cu_qp_delta_abs;
 
                     }
+
+                    if (cu_qp_delta_abs < MIN_CU_QP_DELTA_ABS(ps_sps->i1_bit_depth_luma_minus8)
+                                    || cu_qp_delta_abs > MAX_CU_QP_DELTA_ABS(ps_sps->i1_bit_depth_luma_minus8))
+                    {
+                        return IHEVCD_INVALID_PARAMETER;
+                    }
+
                     ps_codec->s_parse.s_cu.i4_cu_qp_delta = cu_qp_delta_abs;
 
                 }