less overallocation in av_fast_realloc() for small arrays


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@2913 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

 doesnt call realloc every time
 doesnt randomly overwrite memory after after 8-16 calls
 doesnt use ugly macro wraper
 fewer lines of code


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@2912 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

support url_read which reads less then requested patch by (Leon van Stuivenberg <l dot vanstuivenberg at chello dot nl>)
this is needed for compatibility with tcp.c 1.10


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   * removing casualties of battle of the wits and English language


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mpeg12 fix 10l of aspect calucalations, return gop perser to print debug info, and make mpeg1_seq_header hot overwrite height/width


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    * DV decoding/encoding now supports MultiThreading for up to 324 CPUs ;-)


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@2893 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

     * DV decoder simplifications. Now it looks to be 6% faster. At least
       on my desktop.
     * Misc. DV cleanups and fixes.


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@2892 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

tcp/http in ffmpeg.c patch by (Leon van Stuivenberg <l dot vanstuivenberg at chello dot nl>)


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MKTAG/MKBETAG


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no read loop tcp/http and http CRLF fix by (Leon van Stuivenberg <l dot vanstuivenberg at chello dot nl>)


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fix global name conflicts patch by ("Ronald S. Bultje" <R dot S dot Bultje at students dot uu dot nl>)


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Parse stss info in MOV files to get key frames patch by ("Brian Becker" <Brian dot Becker at palmone dot com>)


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<doubleshot@pacbell.net>


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    * moving some of the commonly used bit reading/writing functions
      from common.c -> common.h so that they can be inlined.
         + performace gain ~1% (measured with DV decoding)
	 + code bloat 0.05%
      Looks like a win-win solution.


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