[Bug 768473] playback is not playing smoothly after selecting .sub or .srt subtitle to the playing file

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=768473

Sebastian Dröge (slomo) <slomo at coaxion.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |slomo at coaxion.net
         Resolution|---                         |NOTABUG

--- Comment #1 from Sebastian Dröge (slomo) <slomo at coaxion.net> ---
Without subtitles, this pipeline should be zerocopy between decoder and sink.
With subtitles, they are going to be overlayed in software and that's going to
make a big difference performance-wise.

Ideally imxeglvivsink would properly implement GstVideoOverlayComposition
support, then it should still run zerocopy and do the subtitle rendering in
hardware. Or glimagesink could be used instead.


Overall this does not seem like a bug but deficiencies in the elements on your
target hardware.

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