validated; do not free frames that are not allocated; removed all of the
output modes that no one uses and only PAL8 remains

Originally committed as revision 4517 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4516 to svn://svn.ffmpeg.org/ffmpeg/trunk

writing to them

Originally committed as revision 4515 to svn://svn.ffmpeg.org/ffmpeg/trunk

frame is NULL; also removed some ancient MC code that did not perform
half-pel C-plane MC

Originally committed as revision 4514 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4513 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4512 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4511 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4510 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4509 to svn://svn.ffmpeg.org/ffmpeg/trunk

* check for writing to lines -1,-2,...
* check for motion compensation (copying from and to valid place)
patch by (Kostya: kostya shishkov, gmail com)

Originally committed as revision 4508 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4507 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4506 to svn://svn.ffmpeg.org/ffmpeg/trunk

A few files are not in sync with the change of AVStream's codec
member from inline struct to pointer.
patch by (Sam Hocevar: sam, zoy org)

Originally committed as revision 4505 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4504 to svn://svn.ffmpeg.org/ffmpeg/trunk

DV video encoder/decoder doesn't set keyframe and picture type properties patch by (Edward Hervey:bilboed,gmail com)

Originally committed as revision 4503 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4502 to svn://svn.ffmpeg.org/ffmpeg/trunk

changes to ignore command media embedded in MS WMV files patch by ("Brown, Mike": mikeb, vibephone com)

Originally committed as revision 4501 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4500 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4499 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4498 to svn://svn.ffmpeg.org/ffmpeg/trunk

Patch originally from Justin Ruggles > jruggle ta earthlink tod net <
and reordered by me to be more diff friendly.

Originally committed as revision 4497 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4496 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4495 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4494 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4493 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4492 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4491 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4490 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4489 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4488 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4487 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4486 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4485 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4484 to svn://svn.ffmpeg.org/ffmpeg/trunk

avoid zero time_base.* for h263

Originally committed as revision 4483 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4482 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4481 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4480 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4479 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4478 to svn://svn.ffmpeg.org/ffmpeg/trunk