This prepares for adding support for more authentication methods

Originally committed as revision 22660 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/nut.c: In function ‘ff_nut_free_sp’:
libavformat/nut.c:80: warning: passing argument 4 of ‘av_tree_enumerate’ from incompatible pointer type
./libavutil/tree.h:92: note: expected ‘int (*)(void *, void *)’ but argument is of type ‘void (*)(void *, void *)’

Originally committed as revision 22659 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22657 to svn://svn.ffmpeg.org/ffmpeg/trunk

to share it with e.g. MMS.

Patch by Zhentan Feng <spyfeng gmail com>.

Originally committed as revision 22656 to svn://svn.ffmpeg.org/ffmpeg/trunk

If these two functions aren't matched results may be unexpected.

Originally committed as revision 22655 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22654 to svn://svn.ffmpeg.org/ffmpeg/trunk

Patch by Tomas Härdin $(name).$(s/ä/a/ $(surname)) AT codemill DOT se

Originally committed as revision 22653 to svn://svn.ffmpeg.org/ffmpeg/trunk

duplicating code or adding a dependency on vorbiscomment.o.

Originally committed as revision 22652 to svn://svn.ffmpeg.org/ffmpeg/trunk

there is no need to check for it.

Originally committed as revision 22651 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 30954 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale

runtime cpudetection mode.
Fixes compilation with '--enable-runtime-cpudetect --disable-altivec'.

Originally committed as revision 30952 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale

Originally committed as revision 22650 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22649 to svn://svn.ffmpeg.org/ffmpeg/trunk

Patch by Pavel Pavlov, pavel summit-tech ca

Originally committed as revision 22648 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/h264.c:1562: warning: unused variable `s'

Originally committed as revision 22647 to svn://svn.ffmpeg.org/ffmpeg/trunk

Patch by Robert Krüger, krueger signal7 de

Originally committed as revision 22646 to svn://svn.ffmpeg.org/ffmpeg/trunk

Patch by Tomas Härdin, tomas D hardin A  codemill D se

Originally committed as revision 22645 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22644 to svn://svn.ffmpeg.org/ffmpeg/trunk

This helps if the URL (erroneously?) contains question marks within the path.

Originally committed as revision 22643 to svn://svn.ffmpeg.org/ffmpeg/trunk

Don't modify the user-specified s->filename at all, keep all modifications
locally and in rt->control_uri.

Originally committed as revision 22642 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22641 to svn://svn.ffmpeg.org/ffmpeg/trunk

Also revert the related error concealment hotfix.

Originally committed as revision 22640 to svn://svn.ffmpeg.org/ffmpeg/trunk

dependency on flacenc.o and fixes the unnecessary dependency on vorbiscomment.o.

Originally committed as revision 22639 to svn://svn.ffmpeg.org/ffmpeg/trunk

in that code that could lead to broken files.
AC coding is unaffected.

Originally committed as revision 22638 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22637 to svn://svn.ffmpeg.org/ffmpeg/trunk

Patch by Josh Allmann (joshua allmann gmail com)

Originally committed as revision 22636 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22635 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22634 to svn://svn.ffmpeg.org/ffmpeg/trunk

8 bits per component. This does no good except scaring users away.

Originally committed as revision 22633 to svn://svn.ffmpeg.org/ffmpeg/trunk

Patch by Josh Allmann (joshua allmann gmail com)

Originally committed as revision 22632 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22631 to svn://svn.ffmpeg.org/ffmpeg/trunk

Currently, the caller doesn't get the status_code and location for rediects,
since rtsp_setup_input_streams uses a copy of RTSPMessageHeader of its own.

Originally committed as revision 22630 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22629 to svn://svn.ffmpeg.org/ffmpeg/trunk

behavior approximately.

Originally committed as revision 22628 to svn://svn.ffmpeg.org/ffmpeg/trunk

Patch by James Darnley <james darnley at gmail>

Originally committed as revision 22627 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22626 to svn://svn.ffmpeg.org/ffmpeg/trunk

AVERROR_NOFMT if the format is unknown / cannot be recognized.

It is returned AVERROR_INVALIDDATA, in the sense that the data is
invalid within what the specific libav* binary supports.

That was the last remaining use of AVERROR_NOFMT, which is going to be
dropped at the next libavutil major bump.

Originally committed as revision 22625 to svn://svn.ffmpeg.org/ffmpeg/trunk

AVERROR_NOFMT in case of invalid / unknown packet size.

Originally committed as revision 22624 to svn://svn.ffmpeg.org/ffmpeg/trunk

needlessly ugly.

Originally committed as revision 22623 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 22622 to svn://svn.ffmpeg.org/ffmpeg/trunk