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bytes when converting between RGB32 variants.

In particular fix the argb -> rgba and abgr -> bgra conversions.

See the thread:
Subject: [FFmpeg-devel] [RFC] RGB32 / BGR32 ethernal bug
Date: Tue, 26 Jan 2010 01:06:18 +0100


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PIX_FMT_YUVJ420P
PIX_FMT_YUVJ422P
PIX_FMT_YUVJ440P
PIX_FMT_YUVJ444P

in the isSupported{In,Out} macros. 

These pixel formats are not true pixel formats but hacks specific to
JPEG in libavcodec. They are deprecated and should be removed (that is
from libavcodec first and libswscale second)...  but they must be
tested by swscale-test.

See thread:
Subject: [FFmpeg-devel] [PATCH] Extend show_pix_fmts() to make it print the input/output support
Date: 2010-01-30 15:54:08 GMT


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functions. Improve readability.
 -This line, and those below, will be ignored--

     swscale.c


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See the thread:
Subject: [FFmpeg-devel] [RFC] Make swscale-test perform only one convertion
Date: Fri, 29 Jan 2010 01:52:23 +0100


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use of the program.


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simplify code.


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in r30419, which was causing a swscale-example regression.

Also increase my liter count by 20.0 units.


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source and destination format, cache those values in the newly added
SwsContext:srcFormatBpp and SwsContext:dstFormatBpp fields, and remove
the fmt_depth() function.


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supported both as input and as output, as the conversion performed is:
yuva420p -> src -> dst -> yuva420p.


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are supported, avoid pointless loops.


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Patch by Alexis Ballier gmailify($firstname, $familyname)


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Image buffers require 16-byte alignment, so av_malloc() should be used.
Fixes crash on PPC.

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set.


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only if the input format is paletted.

Fix potential crashes/weirdness if the input format is non-paletted.


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