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avcodec/mpeg4videodec: Don't check for errors for complete VLCs

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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt 2020-10-23 20:22:31 +02:00
parent 5f8de7b741
commit 0da310d7be
1 changed files with 1 additions and 4 deletions
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5
libavcodec/mpeg4videodec.c
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@ -1845,10 +1845,7 @@ static int mpeg4_decode_studio_block(MpegEncContext *s, int32_t block[64], int n
quant_matrix = s->chroma_intra_matrix; quant_matrix = s->chroma_intra_matrix;
} }
if (dct_dc_size < 0) { if (dct_dc_size == 0) {
av_log(s->avctx, AV_LOG_ERROR, "illegal dct_dc_size vlc\n");
return AVERROR_INVALIDDATA;
} else if (dct_dc_size == 0) {
dct_diff = 0; dct_diff = 0;
} else { } else {
dct_diff = get_xbits(&s->gb, dct_dc_size); dct_diff = get_xbits(&s->gb, dct_dc_size);