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h264: check for invalid bit depth value.

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Laurent Aimar 2011-10-02 18:29:31 +02:00 committed by Michael Niedermayer
parent 27d3361e34
commit c2b7f7748b
1 changed files with 5 additions and 0 deletions
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5
libavcodec/h264_ps.c
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@ -349,6 +349,11 @@ int ff_h264_decode_seq_parameter_set(H264Context *h){
sps->residual_color_transform_flag = get_bits1(&s->gb); sps->residual_color_transform_flag = get_bits1(&s->gb);
sps->bit_depth_luma = get_ue_golomb(&s->gb) + 8; sps->bit_depth_luma = get_ue_golomb(&s->gb) + 8;
sps->bit_depth_chroma = get_ue_golomb(&s->gb) + 8; sps->bit_depth_chroma = get_ue_golomb(&s->gb) + 8;
if (sps->bit_depth_luma > 12U || sps->bit_depth_chroma > 12U) {
av_log(h->s.avctx, AV_LOG_ERROR, "illegal bit depth value (%d, %d)\n",
sps->bit_depth_luma, sps->bit_depth_chroma);
goto fail;
}
sps->transform_bypass = get_bits1(&s->gb); sps->transform_bypass = get_bits1(&s->gb);
decode_scaling_matrices(h, sps, NULL, 1, sps->scaling_matrix4, sps->scaling_matrix8); decode_scaling_matrices(h, sps, NULL, 1, sps->scaling_matrix4, sps->scaling_matrix8);
}else{ }else{