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Code Issues Releases Activity

avcodec/hevc_ps: check for out of range bitdepth in SPS

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Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2023-04-30 20:38:55 -03:00
parent bf3f91c425
commit e7c690a046
1 changed files with 12 additions and 2 deletions
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14
libavcodec/hevc_ps.c
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@ -927,8 +927,18 @@ int ff_hevc_parse_sps(HEVCSPS *sps, GetBitContext *gb, unsigned int *sps_id,
sps->output_window = sps->pic_conf_win;
}
sps->bit_depth = get_ue_golomb_long(gb) + 8;
bit_depth_chroma = get_ue_golomb_long(gb) + 8;
sps->bit_depth = get_ue_golomb_31(gb) + 8;
if (sps->bit_depth > 16) {
av_log(avctx, AV_LOG_ERROR, "Luma bit depth (%d) is out of range\n",
sps->bit_depth);
return AVERROR_INVALIDDATA;
}
bit_depth_chroma = get_ue_golomb_31(gb) + 8;
if (bit_depth_chroma > 16) {
av_log(avctx, AV_LOG_ERROR, "Chroma bit depth (%d) is out of range\n",
bit_depth_chroma);
return AVERROR_INVALIDDATA;
}
if (sps->chroma_format_idc && bit_depth_chroma != sps->bit_depth) {
av_log(avctx, AV_LOG_ERROR,
"Luma bit depth (%d) is different from chroma bit depth (%d), "