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that output may be written as uint32_t since output buffer may not be aligned
(and it's silly to force alignment on it) and it does not work in that case
properly on some architectures.



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complain about missing function prototype.



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conversion and other information exposed by the pixdesc API.


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GCC is sometimes able to optimise constant calls to these functions,
incorrectly indicating that they exist.  Unoptimised calls will then
fail to link.

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floating point.
Should fix different results between PPC and x86 for the idroq-video-encode
FATE test.


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calculations in the later one are not correct with large time stamps.


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Patch by Timo Teräs (timo DOT teras AT iki DOT fi)


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not supported in FFmpeg. This will cause crashes later because the samplerate
is used to initialize the timebase.



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fixes issue1729


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SVQ1 chroma has been special-cased aligned to 16-bytes since at least r15466
Other architectures also assume 16-byte alignment here too but set STRIDE_ALIGN
to 16.

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This fixes building on some broken systems.

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These are often, contrary to standards, implemented only as macros
or compiler-builtin functions without an actual symbol definition.

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start and to avoid initializing codecs with missing headers is set for all streams.
Fixes issue 1723.


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@21693 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

by KO Myung-Hung <komh challion net>.



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