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

Originally committed as revision 18457 to svn://svn.ffmpeg.org/ffmpeg/trunk

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.

Originally committed as revision 18449 to svn://svn.ffmpeg.org/ffmpeg/trunk

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.

Originally committed as revision 18445 to svn://svn.ffmpeg.org/ffmpeg/trunk

a buffer first.

Originally committed as revision 18444 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18443 to svn://svn.ffmpeg.org/ffmpeg/trunk

'terminate_string'.

Originally committed as revision 18442 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18441 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18440 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18439 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18438 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18437 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18436 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18435 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18434 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18433 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18432 to svn://svn.ffmpeg.org/ffmpeg/trunk

It is still used in comparisons to keep ABI compatibility.

Originally committed as revision 18431 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18430 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18429 to svn://svn.ffmpeg.org/ffmpeg/trunk

behaviour of av_get_packet and should not be override without good reason.
As a side effect this fixes the memleak described in issue 956.
Also return the exact error code from av_get_packet instead of AVERROR(EIO).

Originally committed as revision 18428 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18427 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18426 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18425 to svn://svn.ffmpeg.org/ffmpeg/trunk

not disabled.

Originally committed as revision 18424 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18423 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18422 to svn://svn.ffmpeg.org/ffmpeg/trunk

Patch by Thilo Borgmann thilo DOT borgmann A googlemail com.

Originally committed as revision 18421 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18420 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18419 to svn://svn.ffmpeg.org/ffmpeg/trunk

contexts, this avoids a crash when freeing the H.264 parser context introduced in
r18406, since h->s.avctx is NULL there.

Originally committed as revision 18418 to svn://svn.ffmpeg.org/ffmpeg/trunk