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Add limits check for depth hierarchy sps parameters

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Bug: 73965890
Test: run poc before/after

According to the hevc specification, max_transform_hierarchy_depth_inter
and max_transform_hierarchy_depth_intra cannot be greater than
difference between log2_ctb_size and log2_min_transform_block_size.

Change-Id: I9a6f56b029957cead3e81bd07d7fb8392a1a98a2
This commit is contained in:
Naveen Kumar P 2018-03-09 16:25:56 +05:30 • committed by Ray Essick
parent 391675790d
commit f7287c7993
1 changed files with 8 additions and 0 deletions
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8
decoder/ihevcd_parse_headers.c
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@ -1403,9 +1403,17 @@ IHEVCD_ERROR_T ihevcd_parse_sps(codec_t *ps_codec)
ps_sps->i1_log2_diff_max_min_pcm_coding_block_size = 0;
UEV_PARSE("max_transform_hierarchy_depth_inter", value, ps_bitstrm);
if(value < 0 || value > (ps_sps->i1_log2_ctb_size - ps_sps->i1_log2_min_transform_block_size))
{
return IHEVCD_INVALID_PARAMETER;
}
ps_sps->i1_max_transform_hierarchy_depth_inter = value;
UEV_PARSE("max_transform_hierarchy_depth_intra", value, ps_bitstrm);
if(value < 0 || value > (ps_sps->i1_log2_ctb_size - ps_sps->i1_log2_min_transform_block_size))
{
return IHEVCD_INVALID_PARAMETER;
}
ps_sps->i1_max_transform_hierarchy_depth_intra = value;
/* String has a d (enabled) in order to match with HM */