[FFmpeg-cvslog] avcodec/cngdec: Remove AV_CODEC_CAP_DELAY
Michael Niedermayer
git at videolan.org
Mon Nov 25 02:16:54 EET 2019
ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Sat Oct 19 21:58:26 2019 +0200| [327a968817a366c24d1513526258a3dbbcf888a7] | committer: Michael Niedermayer
avcodec/cngdec: Remove AV_CODEC_CAP_DELAY
As is the decoder will never stop, it will cause an infinite loop. The RFC seems only
to speak of non empty packets so endlessly generating noise from the last empty flush
packets seems wrong.
Fixes: infinite loop
Fixes: 18333/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_COMFORTNOISE_fuzzer-5668481831272448
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=327a968817a366c24d1513526258a3dbbcf888a7
---
libavcodec/cngdec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/cngdec.c b/libavcodec/cngdec.c
index 43b96fea1b..747ab49cd0 100644
--- a/libavcodec/cngdec.c
+++ b/libavcodec/cngdec.c
@@ -173,7 +173,7 @@ AVCodec ff_comfortnoise_decoder = {
.close = cng_decode_close,
.sample_fmts = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_S16,
AV_SAMPLE_FMT_NONE },
- .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_DR1,
+ .capabilities = AV_CODEC_CAP_DR1,
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
FF_CODEC_CAP_INIT_CLEANUP,
};
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