[Bug 790087] videodecoder: performance regression with libav decoders

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=790087

--- Comment #7 from Nicolas Dufresne (stormer) <nicolas at ndufresne.ca> ---
In fact, you might avoid the copy through:

   if (gst_is_fd_memory (mem)) {
      wbuf = gst_wl_shm_memory_construct_wl_buffer (mem, sink->display,
          &sink->video_info);
   ...

Which was put in place to pass DMABuf that are not otherwise supported. Still,
it's far from ideal. Creating the wl_buffer is more expensive then you think.

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