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  memleaks
  infinite loops
  uninitalized variables
with some luck u can seek now a few times before it dies


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@2702 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

multiple stream seeking (yes i know seeking is still broken)
related cleanup


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bug was introduced in version 1.75 (2003-12-30)
this may have lead to a small drop in quality of the 4mv mode, but should have only affected the mbd=0 case


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@2698 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

move (av_)find_stream_index() to utils.c as its usefull outside mpeg.c
assert checking enabled, to find bugs quicker, should obviously be disabled later
(av_)add_index_entry() inserts new entries so that the list stays ordered and updates entries if already in it
(av_)index_search_timestamp() cleanup (kill ugly goto) and shorter


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Experimental ZLIB encoder (not working yet)


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copyright year update of the files i touched and remembered, things look annoyingly unmaintained otherwise


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and some related cleanup by me


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  function moved to dspcontext
  mmx&mmx2 optimized
  change SSE -> SAD as default (better quality)
vbv buffer size command line option in kbyte


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