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Code Issues Releases Activity

avcodec/msmpeg4dec: print error in case of invalid vlc in msmpeg4_decode_dc for version <=2

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-12-15 13:22:03 +01:00
parent d408d3dbc3
commit 81230e2612
1 changed files with 3 additions and 1 deletions
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4
libavcodec/msmpeg4dec.c
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@ -586,8 +586,10 @@ static int msmpeg4_decode_dc(MpegEncContext * s, int n, int *dir_ptr)
} else {
level = get_vlc2(&s->gb, v2_dc_chroma_vlc.table, DC_VLC_BITS, 3);
}
if (level < 0)
if (level < 0) {
av_log(s->avctx, AV_LOG_ERROR, "illegal dc vlc\n");
return -1;
}
level-=256;
}else{ //FIXME optimize use unified tables & index
if (n < 4) {