fixes 20% speedloss bug
removes redundant variables from MpegEncContext
release buffers in avcodec_flush_buffers() (untested)
Originally committed as revision 1325 to svn://svn.ffmpeg.org/ffmpeg/trunk
adding AVVideoFrame
moving quality, pict_type, key_frame, qscale_table, ... to AVVideoFrame
removing obsolete variables in AVCodecContext
skiping of MBs in b frames
correctly initalizing AVCodecContext
picture buffer cleanup
Originally committed as revision 1302 to svn://svn.ffmpeg.org/ffmpeg/trunk
MpegEncContext->opaque MUST NOT be used by the codec, its for the parent program
using standart values for pict_type
using (uv)linesize
handling dropable p-frames like b-frames
Originally committed as revision 763 to svn://svn.ffmpeg.org/ffmpeg/trunk
* generic optimization:
- enable ALT and ALIGNED stream
- move "if(const)" out from loops
- supress duplicated computing
* first attempt to fix problem with strides
Originally committed as revision 734 to svn://svn.ffmpeg.org/ffmpeg/trunk