[FFmpeg-cvslog] fftools/ffmpeg: Fix crash when flushing non-fully setup output stream
Andreas Rheinhardt
git at videolan.org
Fri Oct 8 19:36:59 EEST 2021
ffmpeg | branch: release/4.4 | Andreas Rheinhardt <andreas.rheinhardt at outlook.com> | Fri Oct 8 09:47:33 2021 +0200| [4b583e54253746e82850f5a24999affe2d7e2558] | committer: James Almer
fftools/ffmpeg: Fix crash when flushing non-fully setup output stream
The output stream's packet may not have been allocated
at that point. This happens when quitting in the following command line:
$ ./ffmpeg -lavfi abuffer=sample_fmt=u8:sample_rate=48000:channel_layout=stereo -f null -
Reviewed-by: Paul B Mahol <onemda at gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
(cherry picked from commit fb215798c7a72b32e889b72efd018f26bb3f88ce)
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4b583e54253746e82850f5a24999affe2d7e2558
---
fftools/ffmpeg.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c
index 9a34d1f13e..dec012a299 100644
--- a/fftools/ffmpeg.c
+++ b/fftools/ffmpeg.c
@@ -1974,6 +1974,9 @@ static void flush_encoders(void)
AVPacket *pkt = ost->pkt;
int pkt_size;
+ if (!pkt)
+ break;
+
switch (enc->codec_type) {
case AVMEDIA_TYPE_AUDIO:
desc = "audio";
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