[FFmpeg-cvslog] ffmpeg: Print a warning if a pkt duration is already set before using the frame rate

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Tue Nov 10 22:53:30 2015 +0100| [363673fbe0e182b96556f933d47e223eb477badb] | committer: Michael Niedermayer

ffmpeg: Print a warning if a pkt duration is already set before using the frame rate

I didnt find any case that triggers this but if it gets triggered it needs to be
investigated

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=363673fbe0e182b96556f933d47e223eb477badb
---

 ffmpeg.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/ffmpeg.c b/ffmpeg.c
index ae78270..438175b 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -673,6 +673,8 @@ static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
         }
 
         if (ost->frame_rate.num && ost->is_cfr) {
+            if (pkt->duration > 0)
+                av_log(NULL, AV_LOG_WARNING, "Overriding packet duration by frame rate, this should not happen\n");
             pkt->duration = av_rescale_q(1, av_inv_q(ost->frame_rate),
                                          ost->st->time_base);
         }