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Merge "Fix in handling wrong cu_qp_delta" into lmp-dev

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This commit is contained in:
Marco Nelissen 2017-02-14 22:47:49 +00:00 • committed by Android (Google) Code Review
commit 98f9e26d24
2 changed files with 11 additions and 3 deletions
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3
decoder/ihevcd_cabac.c
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@ -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)
{

11
decoder/ihevcd_parse_slice.c
View file

@ -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;
}