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authorMichael Niedermayer <michaelni@gmx.at>2011-11-21 19:41:08 +0100
committerMichael Niedermayer <michaelni@gmx.at>2011-11-21 19:41:08 +0100
commita12dec46995929622aae45e7f68c0f989110be56 (patch)
tree3ae0c8da6675d0e515a95c0a7b6c899a50ee8f13 /libavcodec/vp3.c
parent87ae12009ea489c5c34e953b2b0194a8ba669fb2 (diff)
parent661ee45f8881bb551eb403472e60c38a7c2818aa (diff)
downloadffmpeg-a12dec46995929622aae45e7f68c0f989110be56.tar.gz
Merge branch 'release/0.8' into release/0.7
* release/0.8: (31 commits) svq1dec: call avcodec_set_dimensions() after dimensions changed. Fixes NGS00148 vp3dec: Check coefficient index in vp3_dequant() Fixes NGS00145 qdm2dec: fix buffer overflow. Fixes NGS00144 h264: Fix invalid interlaced progressive MB combinations for direct mode prediction. Fixes Ticket312 mpegvideo: dont use ff_mspel_motion() for vc1 Fixes Ticket655 imgutils: Fix illegal read. ac3probe: Detect Sonic Foundry Soft Encode AC3 as raw AC3. Our ac3 code chain can handle it fine. More ideal would be to write a demuxer that actually extracts what can be from the additional headers and uses it for whatever it can be used for. mjpeg: support mpo Fixes stereoscopic_photo.mpo Add a version bump and APIchanges entry for avcodec_open2 and avformat_find_stream_info. lavf: fix multiplication overflow in avformat_find_stream_info() lavf: fix invalid reads in avformat_find_stream_info() lavf: add avformat_find_stream_info() lavc: fix parentheses placement in avcodec_open2(). lavc: introduce avcodec_open2() as a replacement for avcodec_open(). rawdec: use a default sample rate if none is specified. Fixes "ffmpeg -f s16le -i /dev/zero" rawdec: add check on sample_rate qdm2dec: check remaining input bits in the mainloop of qdm2_fft_decode_tones() This is neccessary but likely not sufficient to prevent out of array reads. cinepak: check strip_size wma: Check channel number before init. Fixes Ticket240 Do not try to read 16bit gray png files with alpha channel. ... Conflicts: libavcodec/version.h libavformat/version.h Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/vp3.c')
-rw-r--r--libavcodec/vp3.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/vp3.c b/libavcodec/vp3.c
index 549f494ff6..2f07af8c4b 100644
--- a/libavcodec/vp3.c
+++ b/libavcodec/vp3.c
@@ -1308,6 +1308,10 @@ static inline int vp3_dequant(Vp3DecodeContext *s, Vp3Fragment *frag,
case 1: // zero run
s->dct_tokens[plane][i]++;
i += (token >> 2) & 0x7f;
+ if(i>63){
+ av_log(s->avctx, AV_LOG_ERROR, "Coefficient index overflow\n");
+ return -1;
+ }
block[perm[i]] = (token >> 9) * dequantizer[perm[i]];
i++;
break;