Fixes issue1550.

Originally committed as revision 20784 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20783 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20782 to svn://svn.ffmpeg.org/ffmpeg/trunk

Fixes issue 1602.

Originally committed as revision 20781 to svn://svn.ffmpeg.org/ffmpeg/trunk

Patch by Zhihang Wang, zhihang D wang A gmail

Originally committed as revision 20780 to svn://svn.ffmpeg.org/ffmpeg/trunk

found in the context.

Originally committed as revision 20779 to svn://svn.ffmpeg.org/ffmpeg/trunk

of the type 0xRRGBBAA parsed by av_parse_color(), using a simple int
was resulting in unexpected results as the most significant bit was
used for the sign.

Originally committed as revision 20778 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20777 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20776 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20775 to svn://svn.ffmpeg.org/ffmpeg/trunk

Patch by Erik Slagter

Originally committed as revision 20774 to svn://svn.ffmpeg.org/ffmpeg/trunk

other means)

Originally committed as revision 20773 to svn://svn.ffmpeg.org/ffmpeg/trunk

Fixes issue1061.

Originally committed as revision 20772 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20771 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20770 to svn://svn.ffmpeg.org/ffmpeg/trunk

buffers.
This and the previous revision fix a heap overflow.

Originally committed as revision 20769 to svn://svn.ffmpeg.org/ffmpeg/trunk

Fixes issue1167.

Originally committed as revision 20768 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20767 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20766 to svn://svn.ffmpeg.org/ffmpeg/trunk

Fixes issue 1588.

Originally committed as revision 20765 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20764 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20763 to svn://svn.ffmpeg.org/ffmpeg/trunk

been wrong.
Fixes issue1571.

Originally committed as revision 20762 to svn://svn.ffmpeg.org/ffmpeg/trunk

that  selected a bitstream writer for which they do not work.

Originally committed as revision 20761 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20760 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20759 to svn://svn.ffmpeg.org/ffmpeg/trunk

Fixes issue 1593.

Originally committed as revision 20758 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 29978 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale

Originally committed as revision 20757 to svn://svn.ffmpeg.org/ffmpeg/trunk

These typos moved the exponent pointer too far ahead.
Fixes issue1055.

Originally committed as revision 20756 to svn://svn.ffmpeg.org/ffmpeg/trunk

These index variables are incremented before each use, so they should be
initialized to -1.

Originally committed as revision 29977 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale

Originally committed as revision 20755 to svn://svn.ffmpeg.org/ffmpeg/trunk

from the bottom to the top one.

Originally committed as revision 20754 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20753 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20752 to svn://svn.ffmpeg.org/ffmpeg/trunk

Patch by Dark Shikari

Originally committed as revision 20751 to svn://svn.ffmpeg.org/ffmpeg/trunk

Patch by Dark Shikari

Originally committed as revision 20750 to svn://svn.ffmpeg.org/ffmpeg/trunk

Patch by Dark Shikari

Originally committed as revision 20749 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 20748 to svn://svn.ffmpeg.org/ffmpeg/trunk

Faster checks in reverse_dc_prediction.
Simplified deblocking checks.
Check transform==15 first, since it's more common than 13.

Originally committed as revision 20747 to svn://svn.ffmpeg.org/ffmpeg/trunk