[Bug 774716] vlc does not play mp4 file that was merged using splitmuxsrc and splitmuxsink

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=774716

Jan Schmidt <thaytan at noraisin.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |thaytan at noraisin.net

--- Comment #3 from Jan Schmidt <thaytan at noraisin.net> ---
The first input file starts with these timestamps:

gst-launch-1.0 file://`pwd`/video-chunk-00.mp4 ! qtdemux ! fakesink
silent=false -v |less

/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = chain   *******
(fakesink0:sink) (4188 bytes, dts: 0:00:00.000000000, pts: 39:01:07.231900000,
duration: 0:00:00.038400000, offset: -1, offset_end: -1, flags: 00000040
discont ) 0x7f6f7c003380
/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = chain   *******
(fakesink0:sink) (15 bytes, dts: 0:00:00.038400000, pts: 39:01:07.270300000,
duration: 0:00:00.011500000, offset: -1, offset_end: -1, flags: 00002000
delta-unit ) 0x7f6f7c003160
/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = chain   *******
(fakesink0:sink) (11 bytes, dts: 0:00:00.049900000, pts: 39:01:07.281800000,
duration: 0:00:00.049500000, offset: -1, offset_end: -1, flags: 00002000
delta-unit ) 0x7f6f7c003050
/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = chain   *******
(fakesink0:sink) (11 bytes, dts: 0:00:00.099400000, pts: 39:01:07.331300000,
duration: 0:00:00.010200000, offset: -1, offset_end: -1, flags: 00002000
delta-unit ) 0x7f6f7c003160
/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = chain   *******
(fakesink0:sink) (11 bytes, dts: 0:00:00.109600000, pts: 39:01:07.341500000,
duration: 0:00:00.090800000, offset: -1, offset_end: -1, flags: 00002000
delta-unit ) 0x7f6f7c003380
/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = chain   *******
(fakesink0:sink) (11 bytes, dts: 0:00:00.200400000, pts: 39:01:07.432300000,
duration: 0:00:00.010200000, offset: -1, offset_end: -1, flags: 00002000
delta-unit ) 0x7f6f7c0035a0

As you can see, there's a gigantic offset between DTS and PTS that just messes
everything up from there.

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