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5 commits

Author SHA1 Message Date
Víctor Manuel Jáquez Leal
2b0fa73c10 va: display: Fix typo. 
Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2127>
 2021-04-28 11:39:24 +02:00
Víctor Manuel Jáquez Leal
df6c4843a7 va: display: parse and set driver implementation 
This enum can be used for quirk handling. It's not a property because
the driver enum list might change, it's not static, thus avoiding the
update of GType declaration.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1938>
 2021-01-05 17:54:34 +00:00
Víctor Manuel Jáquez Leal
543d54d492 va: display: add function precondition check 
Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1938>
 2021-01-05 17:54:34 +00:00
Víctor Manuel Jáquez Leal
9db747e4d0 va: display: add gst_va_display_get_image_formats() 
For this it was also added gst_va_video_format_from_va_image_format()

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1483>
 2020-08-03 15:54:45 +00:00
Víctor Manuel Jáquez Leal
79d11c2022 va: VA-API H.264 decoder and infrastructure 
New plugin with an element for H.264 decoding with VA-API. This novel
approach, different from gstreamer-vaapi, uses gstcodecs library for
state handling.

The code is expected to looks cleaner because it uses VA-API without
further layers or wrappers.

* It uses the first supported DRM device as default VA display (other
  displays will be supported through user's GstContext)
* Requires libva >= 1.6
* No multiview/stereo profiles neither interlaced streams because
  gstcodecs doesn't handle them yet
* It is incompatible with gstreamer-vaapi
* Even if memory:VAMemory is exposed, it is not handled yet by any
  other element
* Caps templates are generated dynamically querying VAAPI, but YV12
  and I420 are added for system memory caps because they seem to be
  supported for all the drivers when downloading frames onto main
  memory, as they are used by xvimagesink and others, avoiding color
  conversion.
* Surfaces aren't bounded to context, so they can grow beyond the DBP
  size, allowing smooth reverse playback.
* There isn't yet error handling and recovery.
* 10-bit H.264 streams aren't supported by libva.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1379>
 2020-06-28 11:47:35 +02:00