With b_keyframe instead of IDR for detecting keyframes, ffmpeg should now
support periodic encoding with periodic intra refresh (although there is no
interface option for it yet).
Set the new timebase values for full VFR input support.
Bump configure to check for API version 83.

Originally committed as revision 21317 to svn://svn.ffmpeg.org/ffmpeg/trunk

Fixes compilation with gcc and -O0.

Originally committed as revision 21316 to svn://svn.ffmpeg.org/ffmpeg/trunk

it is used.

Originally committed as revision 21315 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21314 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21313 to svn://svn.ffmpeg.org/ffmpeg/trunk

Thats not possible except maybe in FMO which noone uses anyway.
iam also not sure if this wasnt missing a part_width.

Originally committed as revision 21312 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21309 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21308 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21307 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21306 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21305 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21304 to svn://svn.ffmpeg.org/ffmpeg/trunk

in the innerst loop. ~150 cpu cycles faster

Originally committed as revision 21299 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21293 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21292 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21291 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21290 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21289 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21288 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21287 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21286 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21285 to svn://svn.ffmpeg.org/ffmpeg/trunk

that way it is also available for ff_h264_filter_mb_fast().

Originally committed as revision 21283 to svn://svn.ffmpeg.org/ffmpeg/trunk

loop filter. This removes one obstacle of getting ff_h264_filter_mb_fast()
bitexact. code is maybe 0.1% faster

Originally committed as revision 21280 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21276 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21275 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21274 to svn://svn.ffmpeg.org/ffmpeg/trunk

~1% faster

Originally committed as revision 21273 to svn://svn.ffmpeg.org/ffmpeg/trunk

0.1% speedup

Originally committed as revision 21272 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21271 to svn://svn.ffmpeg.org/ffmpeg/trunk

Run loop filter per row instead of per MB, this also should make it
much easier to switch to per frame filtering and also doing so in a
seperate thread in the future if some volunteer wants to try.
Overall decoding speedup of 1.7% (single thread on pentium dual / cathedral sample)
This change also allows some optimizations to be tried that would not have
been possible before.

Originally committed as revision 21270 to svn://svn.ffmpeg.org/ffmpeg/trunk

Fixes build with --disable-encoders --enable-encoder=snow.
This fixes MPlayer build with --disable-mencoder.

Originally committed as revision 21259 to svn://svn.ffmpeg.org/ffmpeg/trunk

~200 bytes smaller ff_h264_filter_mb()
please everyone, NEVER add code with the assumtation that gcc will remove it
without checking gcc actually does. Chances are it does not.

Originally committed as revision 21251 to svn://svn.ffmpeg.org/ffmpeg/trunk

and 5% faster.
ff_h264_filter_mb_fast() stay the same size as gcc decided not to inline these
functions there in the first place.

Originally committed as revision 21250 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21249 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21248 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21247 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21246 to svn://svn.ffmpeg.org/ffmpeg/trunk

Patch by ami_stuff, ami_stuff o2 pl

Originally committed as revision 21245 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21244 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21243 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21241 to svn://svn.ffmpeg.org/ffmpeg/trunk

Patch by Anatoliy Nenashev, nenashev_as mail ru

Originally committed as revision 21239 to svn://svn.ffmpeg.org/ffmpeg/trunk

No benchmark because its just replacing variables with litteral constants
(so no risk for slowdown outside gcc silliness) and i need sleep.

Originally committed as revision 21237 to svn://svn.ffmpeg.org/ffmpeg/trunk

Based on patch by Reinhard Tartler <siretart tauware de>

Originally committed as revision 21236 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21234 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21233 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21232 to svn://svn.ffmpeg.org/ffmpeg/trunk

Patch by ami_stuff, ami_stuff o2 pl

Originally committed as revision 21230 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 21228 to svn://svn.ffmpeg.org/ffmpeg/trunk