[Bug 734413] mp4mux: interleave audio and video in fragments, and reduce interleave

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Thu Jan 22 01:42:24 PST 2015


https://bugzilla.gnome.org/show_bug.cgi?id=734413
  GStreamer | gst-plugins-good | git master

Edward Hervey <bilboed> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |bilboed at bilboed.com
            Summary|mp4mux: audio and video     |mp4mux: interleave audio
                   |fragment boundaries can     |and video in fragments, and
                   |have large time offsets in  |reduce interleave
                   |fragmented mp4 streams      |

--- Comment #1 from Edward Hervey <bilboed at bilboed.com> 2015-01-22 09:42:22 UTC ---
mp4mux should put audio and video into one fragment (instead of separate ones).

In addition to that, an even better solution would be to put several run in a
single fragment.

I.e. in a 1s fragment you could have 4 track runs (which also corresponds to
how the data is laid out in the following mdat).
1 run of video of ~500ms
1 run of audio of ~500ms
1 run of video of ~500ms
1 run of audio of ~500ms

This would solve your issues and also reduce the interleave to 500ms (instead
of the 2s you're seeing)

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