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Check whether extra bits block has enough data.

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Patch by Laurent Aimar "f\145nr\151r >at< vide\157lan <dot> o\162g"

Originally committed as revision 18732 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Laurent Aimar 2009-05-03 05:42:51 +00:00 committed by Kostya Shishkov
parent 241f5eab32
commit 66311f86d4
1 changed files with 8 additions and 0 deletions
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8
libavcodec/wavpack.c
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@ -795,6 +795,14 @@ static int wavpack_decode_frame(AVCodecContext *avctx,
av_log(avctx, AV_LOG_ERROR, "Packed samples not found\n");
return -1;
}
if(s->got_extra_bits){
const int size = s->gb_extra_bits.size_in_bits - get_bits_count(&s->gb_extra_bits);
const int wanted = s->samples * s->extra_bits << s->stereo_in;
if(size < wanted){
av_log(avctx, AV_LOG_ERROR, "Too small EXTRABITS\n");
s->got_extra_bits = 0;
}
}
if(s->stereo_in){
if(bpp == 2)