spliting AVOption specific stuff out of avcodec.h into opt.h

Originally committed as revision 4581 to svn://svn.ffmpeg.org/ffmpeg/trunk

support AVOptions for encoding in ffmpeg.c

Originally committed as revision 4580 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4579 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4578 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4577 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4576 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4575 to svn://svn.ffmpeg.org/ffmpeg/trunk

change non portable table access

Originally committed as revision 4574 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4573 to svn://svn.ffmpeg.org/ffmpeg/trunk

needed to decode xvid without some minor artefacts
under #ifdef CONFIG_GPL of course

Originally committed as revision 4572 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4571 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4570 to svn://svn.ffmpeg.org/ffmpeg/trunk

set time_base as soon as time_scale is known instead of in a unrelated chunck which might be missing

Originally committed as revision 4569 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4568 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4567 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16405 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

Noticed by Fred Rothganger < rothgang -- at -- uiuc -- dot -- edu >

Originally committed as revision 4566 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4565 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4564 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4563 to svn://svn.ffmpeg.org/ffmpeg/trunk

patch by Michel Bardiaux < mbardiaux -- at -- mediaxim -- dot -- be >

Originally committed as revision 4562 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4561 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4560 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4559 to svn://svn.ffmpeg.org/ffmpeg/trunk

sample_rate value is not always correct (is there anything in quicktime which is?) so try to guess it from time_scale

Originally committed as revision 4558 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4557 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4556 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4555 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4554 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4553 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4552 to svn://svn.ffmpeg.org/ffmpeg/trunk

add consts (this was in my local tree, dunno where it came from, probably forgoten from some const patch)

Originally committed as revision 4551 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4550 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4549 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4548 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4547 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4546 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4545 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4544 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4543 to svn://svn.ffmpeg.org/ffmpeg/trunk