will be useful for generic metadata support


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AVC: Consumed only m bytes instead of n


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major bump.
There is no need for that, since av_protocol_next() already provides
access to the first registered protocol.


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function with correponding calls/references to av_register_protocol().


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register_protocol().


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Move some assignments after the checks.



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and log error if they are not correct. All other functions
are supposedly called after that one, so use assert() for them.



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The old one would try to use mv blocks that are written outside their buffer,
in case of unhandled error.


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The above commit makes ff_xvmc_decode_mb to output one log entry
for each decoded MB, causing massive slowdown.



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and mark state defines as obsolete.


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It have always been workaround for MPlayer limitations.



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following if condition checks render and does an assert if it fails.


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They are not used within FFmpeg.


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Their only user, MPlayer, has already been updated not to use them anymore.


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where possible



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