[FFmpeg-cvslog] fftools/ffmpeg_filter: make sure pkt_duration matches duration

[Anton Khirnov]

ffmpeg | branch: master | Anton Khirnov <anton at khirnov.net> | Wed May 10 12:19:58 2023 +0200| [113250732723f1a2b695c64cdc03e5bf0f1311a4] | committer: Anton Khirnov

fftools/ffmpeg_filter: make sure pkt_duration matches duration

Otherwise the two values might get desynchronized and lavfi can prefer
the wrong one.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=113250732723f1a2b695c64cdc03e5bf0f1311a4
---

 fftools/ffmpeg_filter.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/fftools/ffmpeg_filter.c b/fftools/ffmpeg_filter.c
index 95ffa0f087..274eefe11c 100644
--- a/fftools/ffmpeg_filter.c
+++ b/fftools/ffmpeg_filter.c
@@ -1622,6 +1622,11 @@ int ifilter_send_frame(InputFilter *ifilter, AVFrame *frame, int keep_reference)
     frame->pts       = av_rescale_q(frame->pts,      frame->time_base, ifp->time_base);
     frame->duration  = av_rescale_q(frame->duration, frame->time_base, ifp->time_base);
     frame->time_base = ifp->time_base;
+#if LIBAVUTIL_VERSION_MAJOR < 59
+    AV_NOWARN_DEPRECATED(
+    frame->pkt_duration = frame->duration;
+    )
+#endif
 
     ret = av_buffersrc_add_frame_flags(ifilter->filter, frame,
                                        AV_BUFFERSRC_FLAG_PUSH);