Force alignement for mszh and zlib decoders

Originally committed as revision 3817 to svn://svn.ffmpeg.org/ffmpeg/trunk

patch by (Gert Vervoort <gert.vervoort at hccnet dot nl>)

Originally committed as revision 3816 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3815 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3814 to svn://svn.ffmpeg.org/ffmpeg/trunk

possible arbitrary code execution cannot be ruled out in some cases
precautionary checks

Originally committed as revision 3813 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3812 to svn://svn.ffmpeg.org/ffmpeg/trunk

Bidirectional weighting has not been tested for bitwise accuracy, but looks correct.

Originally committed as revision 3811 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3810 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3809 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3808 to svn://svn.ffmpeg.org/ffmpeg/trunk

patch will add instead of clobber.
patch by (Roine Gustafsson <roine users.sourceforge net)

Originally committed as revision 3807 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3806 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3805 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3804 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3803 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3802 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3801 to svn://svn.ffmpeg.org/ffmpeg/trunk

- Adds read and write support for yuv422p and yuv444p
- New parser will read all well-formed YUV4MPEG2 stream headers
patch by (Roine Gustafsson <roine users.sourceforge net>)

Originally committed as revision 3800 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3799 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3798 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3797 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3796 to svn://svn.ffmpeg.org/ffmpeg/trunk

* In the test cases, the swf, asf, jpg file formats all work
* The avi case doesn't play in winamp. I suspect that the duration field
  of zero confuses it
* The RM doesn't play. This always was pretty flaky.

Originally committed as revision 3795 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3794 to svn://svn.ffmpeg.org/ffmpeg/trunk

This option tells linker to look for local libraries first. If you have
a shared livavcodec/libavformat in the library path and try to build a
static build, the linker will find the shared library first and link
with it.
patch by (Roine Gustafsson <roine users.sourceforge net>)

Originally committed as revision 3793 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3792 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3791 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3790 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3789 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3788 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3787 to svn://svn.ffmpeg.org/ffmpeg/trunk

- add support for deblocking_filter_idc==2 which means no deblocking accross slice.
- correct MMCO with multiple slices.

5 more streams from H264 conformance suite are now correctly decoded.

patch by (Loic <lll+ffmpeg >< m4x dot org>)

Originally committed as revision 3786 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3785 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3784 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3783 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3782 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3781 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3780 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3779 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 3778 to svn://svn.ffmpeg.org/ffmpeg/trunk