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.


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@21317 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

Fixes compilation with gcc and -O0.



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it is used.


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


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in the innerst loop. ~150 cpu cycles faster


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rtpenc_*.c files.


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that way it is also available for ff_h264_filter_mb_fast().


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@21283 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

belongs to the RTP muxer, and its prototype already is in rtpenc.h)


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@21282 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

Add x86 implementation using MMX/SSE.


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@21281 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

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


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