Patch by Anton Khirnov (acronym("What You Should Know About Something"), gmail)



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CONFIG_MPEG_XVMC_DECODER was changed to CONFIG_MPEGVIDEO_XVMC_DECODER.
patch by Onur Küçük, onur delipenguen net


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@20278 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

patch by Anton Khirnov  wyskas _at_ gmail _dot_ com


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AVFilterFormats.formats field.
Cleaner / safer.


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in r20272.


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When called on a link with a filter whose destination pad has not a
get_video_buffer callback defined, it will call
avfilter_get_video_buffer() on the first output link of the
destination filer, rather than use avfilter_default_get_buffer(), so
the video buffer can be allocated forward in the filterchain.

Also add the w and h parameters to avfilter_get_video_buffer(), as the
minimum width and heigth requested by each filter in the filterchain
may change, this allows for example a memcpy-less pad filter.

This change breaks API / ABI backward compatibility.

See the thread:
"[PATCH] Implement recusive avfilter_get_video_buffer()".


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understand it, so drop it.



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keys are case-insensitive.


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corresponding dsputil functions and remove their dependency on the FLAC
encoder.
Fixes Issue1486.


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Original commit message:
	Very evil missuse of svn to test if AVOption and AVOption2 are compatible.
	If this test triggers anywhere for anyone, revert this commit immedeatly.
	Ill revert this in a day or 2, its just so we know beforehand if the idea
	with the union is doable or not without breaking ABI/API.


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RGB only needs one temp array.


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The padding in bitstream_buffer wasn't initialized.


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instances of the decoder were started at different times.
Bug reported by Maxim Anisiutkin.


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Patch by Reimar.

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If this test triggers anywhere for anyone, revert this commit immedeatly.
Ill revert this in a day or 2, its just so we know beforehand if the idea
with the union is doable or not without breaking ABI/API.


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8 frames per packet.


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work_chunks_* and dv_idct_factor_* variables appear only once in the binary
instead of 3 times.
Saves 3264 bytes in .rodata and 312416 bytes in .bss on x86_64.


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for ff_cos_* and ff_sin_* without introducing too much code duplication.


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