[FFmpeg-cvslog] avformat/nutenc: don't allocate a dynamic AVIOContext if no index is going to be written
James Almer
git at videolan.org
Wed May 4 21:19:27 EEST 2022
ffmpeg | branch: release/4.2 | James Almer <jamrial at gmail.com> | Fri Oct 18 20:53:10 2019 -0300| [3a04214c60949185c263ec76692c3b34d6232235] | committer: Michael Niedermayer
avformat/nutenc: don't allocate a dynamic AVIOContext if no index is going to be written
Fixes ticket #8295
Signed-off-by: James Almer <jamrial at gmail.com>
(cherry picked from commit 1d479300cbe0522c233b7d51148aea2b29bd29ad)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3a04214c60949185c263ec76692c3b34d6232235
---
libavformat/nutenc.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libavformat/nutenc.c b/libavformat/nutenc.c
index 2c2334a69c..7405dc28cc 100644
--- a/libavformat/nutenc.c
+++ b/libavformat/nutenc.c
@@ -1171,8 +1171,11 @@ static int nut_write_trailer(AVFormatContext *s)
while (nut->header_count < 3)
write_headers(s, bc);
+ if (!nut->sp_count)
+ return 0;
+
ret = avio_open_dyn_buf(&dyn_bc);
- if (ret >= 0 && nut->sp_count) {
+ if (ret >= 0) {
av_assert1(nut->write_index); // sp_count should be 0 if no index is going to be written
write_index(nut, dyn_bc);
put_packet(nut, bc, dyn_bc, 1, INDEX_STARTCODE);
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