mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-10 03:19:40 +00:00
88 lines
2.5 KiB
Text
88 lines
2.5 KiB
Text
|
|
gstreamer-vaapi
|
|
VA-API support to GStreamer
|
|
|
|
Copyright (C) 2010-2011 Splitted-Desktop Systems
|
|
Copyright (C) 2011-2012 Intel Corporation
|
|
Copyright (C) 2011 Collabora Ltd.
|
|
|
|
|
|
License
|
|
-------
|
|
|
|
gstreamer-vaapi helper libraries and plugin elements are available
|
|
under the terms of the GNU Lesser General Public License v2.1+
|
|
|
|
Overview
|
|
--------
|
|
|
|
gstreamer-vaapi consists in a collection of VA-API based plugins for
|
|
GStreamer and helper libraries.
|
|
|
|
* `vaapidecode' is used to decode MPEG-2, MPEG-4, H.264, VC-1, WMV3
|
|
videos to video/x-vaapi-surfaces surfaces, depending on the
|
|
underlying HW capabilities.
|
|
|
|
* `vaapiupload' is used to convert from video/x-raw-yuv pixels to
|
|
video/x-vaapi-surface surfaces.
|
|
|
|
* `vaapidownload' is used to convert from video/x-vaapi-surface
|
|
surfaces to video/x-raw-yuv pixels.
|
|
|
|
* `vaapipostproc' is used to postprocess video/x-vaapi-surface
|
|
surfaces, for e.g. deinterlacing.
|
|
|
|
* `vaapisink' is used to display video/x-vaapi-surface surfaces to
|
|
screen.
|
|
|
|
|
|
Features
|
|
--------
|
|
|
|
* VA-API support from 0.29 to 0.32
|
|
* MPEG-2, MPEG-4, H.264 and VC-1 ad-hoc decoders
|
|
* OpenGL rendering through VA/GLX or GLX texture-from-pixmap + FBO
|
|
* Support for major HW video decoding solutions on Linux (AMD, Intel, NVIDIA)
|
|
|
|
|
|
Requirements
|
|
------------
|
|
|
|
Software requirements
|
|
|
|
* libva-dev >= 1.0.3 (VA/GLX)
|
|
* libgstreamer0.10-dev >= 0.10.35.1
|
|
or with GstBaseSink::query()
|
|
* libgstreamer-plugins-base0.10-dev >= 0.10.35
|
|
* libgstreamer-plugins-bad0.10-dev >= 0.10.22.1
|
|
or with GstVideoContext, GstSurfaceBuffer, codecparsers
|
|
|
|
If codecparsers-based decoders are not used:
|
|
|
|
* libavcodec-dev >= 0.6
|
|
or with <libavcodec/vaapi.h>
|
|
|
|
Hardware requirements
|
|
|
|
* AMD platforms with UVD2 (XvBA supported)
|
|
* Intel Eaglelake (G45)
|
|
* Intel Ironlake, Sandy Bridge and Ivy Bridge (HD Graphics)
|
|
* Intel Poulsbo (US15W)
|
|
* Intel Medfield or Cedar Trail
|
|
* NVIDIA platforms with PureVideo (VDPAU supported)
|
|
|
|
|
|
Usage
|
|
-----
|
|
|
|
VA elements are automatically plugged into GStreamer pipelines. So,
|
|
using playbin2 should work as is. However, here are a few alternate
|
|
pipelines constructed manually.
|
|
|
|
* Play an H.264 video with an MP4 container in fullscreen mode
|
|
$ gst-launch-0.10 -v filesrc location=/path/to/video.mp4 ! \
|
|
qtdemux ! vaapidecode ! vaapisink fullscreen=true
|
|
|
|
* Play a raw MPEG-2 interlaced stream
|
|
$ gst-launch-0.10 -v filesrc location=/path/to/mpeg2.bits ! \
|
|
mpegvideoparse ! vaapidecode ! vaapipostproc ! vaapisink
|