test if color conv fonction exists prior to using it



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patch by Marc Hoffman, mmh pleasantst com


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some SIMD functions to output wrong data.


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to plain C when width < unit size of assembly code.


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size of the units the MMX code processes


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size of the units the MMX code processes


git-svn-id: file:///var/local/repositories/mplayer/trunk/libswscale@23014 b3059339-0415-0410-9bf9-f77b7e298cf2

size of the units the MMX code processes


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The previous implementation segfaulted with MMX enabled when fed an image
smaller than the size of the units the MMX code processed. The new code:
- is faster for MMX, MMX2 and plain C
- processes small images correctly
- is LGPL



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Add newline to final report.


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The lists of assignments of all rgbxtoy variants are removed from
sws_rgb2rgb_init and replaced by a single list inside the template file.
This way, multiple lists are generated by the preprocessor and each list
gets its own initialization function. Those are called from the main
sws_rgb2rgb_init function, if applicable.


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Fix data alignment bug (the original purpose of the code is unclear, though).
patch by Marc Hoffman, mmh pleasantst com


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patch by "Karl H. Beckers", karl.h.beckers gmx net


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does not fit in 32 bits. The SWS_ACCURATE_RND is still broken though.


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fixing isRGB/BGR() for the byte formats


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this is not optimized or anything (that is easy to add just use the existing unscaled converters if possible ...)


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