reference pictures.

Originally committed as revision 18473 to svn://svn.ffmpeg.org/ffmpeg/trunk

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thus avoiding potential memleaks and pointless memcpys.

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where easily possible (mimic, eatqi, 4xm).
This allows to avoid a typecast.

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AV_LOG_INFO to AV_LOG_DEBUG.

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put_bits.h.

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and this is the easiest way to. It would be a lot of messy code we can drop
if it is useless.
As a sideeffect this fixes issue977.

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Based on patch by Nico Sabi, nicola dot sabbi at poste dot it

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Originally committed as revision 18456 to svn://svn.ffmpeg.org/ffmpeg/trunk

Revert r18454 and fix correctly #700
Stop parsing if end of buffer is reached while reading
patch by Björn Axelsson, bjorn dot axelsson at intinor dot se

Originally committed as revision 18455 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18454 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18453 to svn://svn.ffmpeg.org/ffmpeg/trunk

Behaviour only changes if pkt->destuct neither av_destruct_packet,
av_destruct_packet_nofree nor NULL, in which case the new code avoids a double free.

Originally committed as revision 18452 to svn://svn.ffmpeg.org/ffmpeg/trunk

Patch by Thilo Borgmann thilo.surname AT googlemaildotcom.

Originally committed as revision 18451 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18450 to svn://svn.ffmpeg.org/ffmpeg/trunk

the output buffer size may be less than FF_MIN_BUFFER_SIZE.

Patch by John Fletcher john.surname AT rd . bbc . co . uk.

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Originally committed as revision 18448 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18447 to svn://svn.ffmpeg.org/ffmpeg/trunk

This is consistent with other demuxer's behaviour and avoids a memleak.
It also returns the error from av_get_packet instead of always AVERROR(EIO).

Originally committed as revision 18446 to svn://svn.ffmpeg.org/ffmpeg/trunk

calculate it.

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a buffer first.

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'terminate_string'.

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