Seeking during playback

[Sebastian Dröge]

On Mi, 2016-05-18 at 09:16 +0000, Thornton, Keith wrote:
> Hi,
> I have two pipelines (Gstreamer 1.8.1 Windows 7 x64), one is started
> when I want to record i.e. running time is 0, the other is started to
> produce a live image. This second pipeline has a tee and a second
> branch is added when a recording is needed i.e. recording starts at
> time > 0.
> Both pipelines use the same encoder to encode an mp4 file in H264.
> The DTS in both files is identical starting at 0 and monotonously
> incrementing. PTS is delivered by the decoder.
> When I play back the files, both play correctly and I can jump back
> and forth in both files using VLC and media player.
> With gstreamer.I can jump back and forth, pause and play in the first
> file but not with the second.
> The only difference I can see is the position field of the segment
> event is 0 in the first case but not in the second.
> This seems to cause the file to reposition at EOS. Why should these
> position fields be different?
> Can anyone tell me what I am doing wrong here? Is there more timing
> information stored in the recording over and above the PTS and DTS ?
> Thanks for any help

Can you file a bug about this with a testcase that creates those two
files? I assume any playbin based application then behaves like this on
the created files?

Just adding a muxer when needed to a tee is supposed to work.

-- 
Sebastian Dröge, Centricular Ltd · http://www.centricular.com

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