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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" <ffmpeg-devel-bounces@ffmpeg.org> Archived-At: <https://master.gitmailbox.com/ffmpegdev/DM8P223MB036529041AE8C07479C6C7CFBAB92@DM8P223MB0365.NAMP223.PROD.OUTLOOK.COM/> List-Archive: <https://master.gitmailbox.com/ffmpegdev/> List-Post: <mailto:ffmpegdev@gitmailbox.com> > -----Original Message----- > From: ffmpeg-devel <ffmpeg-devel-bounces@ffmpeg.org> On Behalf Of Gyan > Doshi > Sent: Sonntag, 20. April 2025 13:25 > To: ffmpeg-devel@ffmpeg.org > Subject: Re: [FFmpeg-devel] [FFmpeg-cvslog] avformat/dump: Print > stream start offsets for input streams > > > > On 2025-04-19 08:35 pm, softworkz wrote: > > ffmpeg | branch: master | softworkz <softworkz@hotmail.com> | Sat > Feb 23 04:59:10 2019 +0100| [02d7384ed5eec0152056c081b536c16cb86e6361] > | committer: softworkz > > > > avformat/dump: Print stream start offsets for input streams > > > > Seeing the offset of video and audio streams to each other is often > > a useful metric in diagnosing and understanding issues with playback > > or transcoding. > > This commit adds those offsets to the stream info print. > > > > Signed-off-by: softworkz <softworkz@hotmail.com> > > > >> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=02d7384ed5ee > c0152056c081b536c16cb86e6361 > > --- > > > > libavformat/dump.c | 5 +++++ > > 1 file changed, 5 insertions(+) > > > > diff --git a/libavformat/dump.c b/libavformat/dump.c > > index 3d37623a41..8c7db7b275 100644 > > --- a/libavformat/dump.c > > +++ b/libavformat/dump.c > > @@ -678,6 +678,11 @@ FF_ENABLE_DEPRECATION_WARNINGS > > print_fps(1 / av_q2d(st->time_base), "tbn", > log_level); > > } > > > > + if (st->start_time != AV_NOPTS_VALUE && st->start_time != 0 && > st->time_base.den && st->time_base.num) { > > + const double stream_start = av_q2d(st->time_base) * st- > >start_time; > > + av_log(NULL, AV_LOG_INFO, ", Start-Time %.3fs", > stream_start); > > This should use the same precision as the other timestamp printouts, > to > avoid subtle inaccuracies. > For a single-stream MPEG-TS , ffmpeg prints "start: 1.466667" for the > format and "Start-Time 1.467s" for the stream. > > Regards, > Gyan > Yup, that makes sense. New patch coming. Thank you, sw _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".