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Patch by Brian Brice % bbrice A newtek P com %
Original thread:
Date: Aug 22, 2006 10:21 PM
Subject: [Ffmpeg-devel] [PATCH] ODML AVI Duration


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patch by Michael Benjamin, neuroptik gmail com


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fix index less seeking


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read and use index (based on a patch by John Donaghy on the 23-03-2006 '[Ffmpeg-devel] dvr-ms seek help request')


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untested


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replace MULL with asm too, no significnat speedup but its probably better to not take any chances, some versions of gcc will almost certainly mess it up too if they can


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about 30% faster imdct36()


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replace MULL by MULH + shift in dct32() (code is very slightly faster, and the compiler should be able to optimize the shift away on 64bit archs)


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untested and unused


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= a single startcode should not override extension based detection


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