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3 commits

Author SHA1 Message Date
Gwenole Beauchesne 84af151796 vaapiencode: fix support for raw YUV sink buffers. 
Allow vaapiencode plug-in elements to encode from raw YUV buffers.
The most efficient way to do so is to let the vaapiencode elements
allocate a buffer pool, and subsequently buffers from it. This means
that upstream elements are expected to honour downstream pools.

If upstream elements insist on providing their own allocated buffers
to the vaapiencode elements, then it possibly would be more efficient
to insert a vaapipostproc element before the vaapiencode element.
This is because vaapipostproc currently has better support than other
elements for "foreign" raw YUV buffers.
 2013-11-26 15:55:09 +01:00
Wind Yuan 3e96f10cf2 vaapiencode: initial port to GStreamer 1.2. 
Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
 2013-11-26 14:32:21 +01:00
XuGuangxin 2e356b0f7e plugins: add mpeg2 encoder element. 
Add GstVaapiEncodeMPEG2 element object. The actual plug-in element
is called "vaapiencode_mpeg2".

Valid properties:
- rate-control: rate control mode (default: cqp - constant QP)
- bitrate: desired bitrate in kbps (default: auto-calculated)
- key-period: maximal distance between two key frames (default: 30)
- max-bframes: number of B-frames between I and P (default: 2)
- quantizer: constant quantizer (default: 8)

Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
 2013-11-24 16:52:05 +01:00