[Bug 785054] if downstream doesn't support GstVideoMeta, VAAPI has to copy to another buffer and convert the stride
GStreamer (GNOME Bugzilla)
bugzilla at gnome.org
Tue Feb 20 17:18:17 UTC 2018
https://bugzilla.gnome.org/show_bug.cgi?id=785054
Víctor Manuel Jáquez Leal <vjaquez at igalia.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #368643|0 |1
is obsolete| |
--- Comment #15 from Víctor Manuel Jáquez Leal <vjaquez at igalia.com> ---
Created attachment 368670
--> https://bugzilla.gnome.org/attachment.cgi?id=368670&action=edit
vaapipostproc: handle system allocated buffers when required
When downstream can't handle GstVideoMeta it is required to send
system allocated buffers.
The system allocated buffers are produced in prepare_output_buffer()
vmethod if downstream can't handl GstVideoMeta.
At transform() vmethod if the buffer is a system allocated buffer,
a VA buffer is instanciated and replaces the out buffer. Later
the VA buffer is copied to the system allocate buffer and it
replaces the output buffer.
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