README: updates.

VA-API up to 0.34.0 is actually supported. Mention new video encoding
support. Update copyright years, list of supported Intel HD Graphics
hardware.
This commit is contained in:
Gwenole Beauchesne 2014-01-23 19:32:28 +01:00
parent 0b176dea0f
commit 271fb8298d

35
README
View file

@ -3,7 +3,7 @@
VA-API support to GStreamer VA-API support to GStreamer
Copyright (C) 2010-2011 Splitted-Desktop Systems Copyright (C) 2010-2011 Splitted-Desktop Systems
Copyright (C) 2011-2013 Intel Corporation Copyright (C) 2011-2014 Intel Corporation
Copyright (C) 2011 Collabora Ltd. Copyright (C) 2011 Collabora Ltd.
@ -24,6 +24,11 @@ GStreamer and helper libraries.
WMV3 videos to video/x-vaapi-surfaces surfaces, depending on the WMV3 videos to video/x-vaapi-surfaces surfaces, depending on the
underlying HW capabilities. underlying HW capabilities.
* `vaapiencode_<CODEC>' is used to encode into MPEG-2, H.264 videos,
depending on the actual value of <CODEC> (mpeg2, h264, etc.). By
default, raw format bitstreams are generated, so the result may be
piped to an actual muxer like qtmux for MP4 containers.
* `vaapiupload' is used to convert from video/x-raw-yuv pixels to * `vaapiupload' is used to convert from video/x-raw-yuv pixels to
video/x-vaapi-surface surfaces. video/x-vaapi-surface surfaces.
@ -40,12 +45,14 @@ GStreamer and helper libraries.
Features Features
-------- --------
* VA-API support from 0.29 to 0.32 * VA-API support from 0.29 to 0.34
* JPEG, MPEG-2, MPEG-4, H.264 and VC-1 ad-hoc decoders * JPEG, MPEG-2, MPEG-4, H.264 and VC-1 ad-hoc decoders
* MPEG-2, H.264 ad-hoc encoders
* OpenGL rendering through VA/GLX or GLX texture-from-pixmap + FBO * OpenGL rendering through VA/GLX or GLX texture-from-pixmap + FBO
* Support for the Wayland display server * Support for the Wayland display server
* Support for headless decode pipelines with VA/DRM * Support for headless decode pipelines with VA/DRM
* Support for major HW video decoding solutions on Linux (AMD, Intel, NVIDIA) * Support for major HW video decoding solutions on Linux (AMD, Intel, NVIDIA)
* Support for HW video encoding on Intel HD Graphics hardware
* Support for VA Video Processing APIs (VA/VPP) * Support for VA Video Processing APIs (VA/VPP)
- Scaling and color conversion - Scaling and color conversion
- Image enhancement filters: Sharpening, Noise Reduction - Image enhancement filters: Sharpening, Noise Reduction
@ -65,7 +72,7 @@ Software requirements
libgstreamer-plugins-bad0.10-dev (>= 0.10.22.1) libgstreamer-plugins-bad0.10-dev (>= 0.10.22.1)
or with GstVideoContext, GstSurfaceBuffer, codecparsers or with GstVideoContext, GstSurfaceBuffer, codecparsers
* GStreamer 1.0.x (including GStreamer 1.2): * GStreamer 1.0.x (including GStreamer 1.2, 1.3):
libglib2.0-dev (>= 2.28) libglib2.0-dev (>= 2.28)
libgstreamer1.0-dev (>= 1.0.0) libgstreamer1.0-dev (>= 1.0.0)
libgstreamer-plugins-base1.0-dev (>= 1.0.0) libgstreamer-plugins-base1.0-dev (>= 1.0.0)
@ -81,7 +88,7 @@ Hardware requirements
* AMD platforms with UVD2 (XvBA supported) * AMD platforms with UVD2 (XvBA supported)
* Intel Eaglelake (G45) * Intel Eaglelake (G45)
* Intel Ironlake, Sandy Bridge and Ivy Bridge (HD Graphics) * Intel Ironlake, Sandybridge, Ivybridge and Haswell (HD Graphics)
* Intel Poulsbo (US15W) * Intel Poulsbo (US15W)
* Intel Medfield or Cedar Trail * Intel Medfield or Cedar Trail
* NVIDIA platforms with PureVideo (VDPAU supported) * NVIDIA platforms with PureVideo (VDPAU supported)
@ -108,6 +115,26 @@ Usage
videoparse format=yuy2 width=1280 height=720 ! \ videoparse format=yuy2 width=1280 height=720 ! \
vaapipostproc format=nv12 height=480 ! vaapisink vaapipostproc format=nv12 height=480 ! vaapisink
* Encode a 1080p stream in raw I420 format into H.264
$ gst-launch-1.0 -v filesrc location=/path/to/raw_video.yuv ! \
videoparse format=i420 width=1920 height=1080 framerate=30/1 ! \
vaapiencode_h264 rate-control=cbr tune=high-compression ! \
qtmux ! filesink location=/path/to/encoded_video.mp4
Sources
-------
gstreamer-vaapi is Open Source software, so updates to this
framework are really easy to get.
Stable source code releases can be found at:
<http://www.freedesktop.org/software/vaapi/releases/gstreamer-vaapi/>
Git repository for work-in-progress changes is available at:
<http://gitorious.org/vaapi/gstreamer-vaapi>
Reporting Bugs Reporting Bugs
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