fixing the lamest bug in swscale, all the rgb/bgr->* code did 2x2 downsampling for chroma, it should just be 2x1 (the rest of the code also belived its 2x1 ...)


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Patch by Nigel Pearson % nigel A ind P tansu P com P au %
Original thread:
Date: Nov 6, 2006 10:43 PM
Subject: [Ffmpeg-devel] [PATCH] swscale uses /nop, illegal for old versions of GAS


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(fixes compilation of shared libswscale on cygwin and other platforms)


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swscale-example.c:87: warning: implicit declaration of function 'sws_format_name'
swscale-example.c:214: warning: implicit declaration of function 'sws_rgb2rgb_init'


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cs_test.c:62: warning: return type defaults to 'int'
cs_test.c:64: warning: implicit declaration of function 'memalign'


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pixel formats


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Patch by Victor Paesa <wzrlpy@arsystel.com>
Original thread:
Date: Aug 31, 2006 7:15 PM
Subject: [Ffmpeg-devel] [PATCH] Add sws_getCachedContext() to swscale library


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header files that happen to have the same name as internal ones.
based on a patch by Vladislav Naumov, vladislav.naumov **at** gmail **dot** com


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--enable-debug).
Fix from Jason Tackaberry for his previous -fPIC patch.


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patch by Jason Tackaberry, tack /at/ urandom /dot/ ca


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