patch by Kurtnoise, kurtnoise free fr

Originally committed as revision 14756 to svn://svn.ffmpeg.org/ffmpeg/trunk

is enabled. The headers are used throughout the code.

Originally committed as revision 14755 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 14754 to svn://svn.ffmpeg.org/ffmpeg/trunk

patch by Anuradha Suraparaju, anuradha rd.bbc.co uk

Originally committed as revision 14753 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 14752 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 14751 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 14750 to svn://svn.ffmpeg.org/ffmpeg/trunk

gcc chokes on the 7 registers needed for float_to_int16_interleave6 (even inside HAVE_7REGS), so write it in yasm

Originally committed as revision 14749 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 14748 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 14747 to svn://svn.ffmpeg.org/ffmpeg/trunk

These values should not matter at all in principle because they
do not correspond to the time of display of any frame but it seems
ffmpeg becomes confused by them if they are far off and its not
strictly correct to set them to guessed values.
Fixes video_stalls_at_start.wmv

Originally committed as revision 14746 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 14745 to svn://svn.ffmpeg.org/ffmpeg/trunk

5% faster ac3

Originally committed as revision 14744 to svn://svn.ffmpeg.org/ffmpeg/trunk

20% faster ac3 if downmixing, 15% if not

Originally committed as revision 14743 to svn://svn.ffmpeg.org/ffmpeg/trunk

13% faster ac3 if downmixing

Originally committed as revision 14742 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 14741 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 14740 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 14739 to svn://svn.ffmpeg.org/ffmpeg/trunk

This avoid printing some warnings about unknow IDs while we in fact know
the IDs but just want to knowingly ignore them.

Originally committed as revision 14738 to svn://svn.ffmpeg.org/ffmpeg/trunk

link-time/run-time libav* version numbers.

Originally committed as revision 14737 to svn://svn.ffmpeg.org/ffmpeg/trunk

output video in pass 1 for 2-pass encoding.
Patch by Erwan Ducroquet erwan _dot_ ducroquet _at_ gmail _dot_ com

Originally committed as revision 14736 to svn://svn.ffmpeg.org/ffmpeg/trunk

remove empty lines between doxy comments and function declarations.

Originally committed as revision 14735 to svn://svn.ffmpeg.org/ffmpeg/trunk

patch by Anuradha Suraparaju, anuradha rd.bbc.co uk

Originally committed as revision 14734 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 14733 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 14732 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 14731 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 14730 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 14729 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 14728 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 14727 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 14726 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 14725 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 14724 to svn://svn.ffmpeg.org/ffmpeg/trunk

This way, we still read the few complete blocks out of a truncated
cluster at the end of a truncated file.

Originally committed as revision 14723 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 14722 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 14721 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 14720 to svn://svn.ffmpeg.org/ffmpeg/trunk

1.3x faster 5.1->stereo, 1.9x faster 5.1->mono.

Originally committed as revision 14719 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 14718 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 14717 to svn://svn.ffmpeg.org/ffmpeg/trunk