Fixes valgrind uninitialized value warnings at the end of decoding H.264
frames.

Originally committed as revision 16230 to svn://svn.ffmpeg.org/ffmpeg/trunk

extradata.

Fixes valgrind invalid read warnings during H.264 extradata parsing.

Originally committed as revision 16229 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16228 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16227 to svn://svn.ffmpeg.org/ffmpeg/trunk

The case for 16x16 blocks becomes 10 cpu cycles faster on pentium dual,
i could not find a speed difference in the case of subblocks though.

Originally committed as revision 16226 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16225 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16224 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16223 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16222 to svn://svn.ffmpeg.org/ffmpeg/trunk

check.
14 cpu cycles speedup on Pentium Dual

Originally committed as revision 16221 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16220 to svn://svn.ffmpeg.org/ffmpeg/trunk

decode_residual is about 3.3% faster.

Originally committed as revision 16219 to svn://svn.ffmpeg.org/ffmpeg/trunk

No speed change meassureable with START/STOP_TIMER, but this is needed
for future optimizations.

Originally committed as revision 16218 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16217 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16216 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16215 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16214 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16213 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16212 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16211 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16210 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16209 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16208 to svn://svn.ffmpeg.org/ffmpeg/trunk

cathedral +0.5% speed
aladin +0.6% speed [note aladin has been cat-ed 10 times to reduce the influence
of init time]
Speedup also verified via START/STOP_TIMER (difference was very significant
for the changed parts)

Originally committed as revision 16207 to svn://svn.ffmpeg.org/ffmpeg/trunk

thus avoiding the calling overhead.
New functions are not yet used.

Originally committed as revision 16206 to svn://svn.ffmpeg.org/ffmpeg/trunk

give them a ff_ prefix. See "[PATCH] asf.c: make functions of interest for
MS-RTSP public" thread on ML.

Originally committed as revision 16205 to svn://svn.ffmpeg.org/ffmpeg/trunk

RTSP stack for RTSP-MS support. This way, they can read input from any given
input source. See discussion in "[PATCH] add gb argument to ASF functions of
interest to MS-RTSP" ML thread.

Originally committed as revision 16204 to svn://svn.ffmpeg.org/ffmpeg/trunk

0.7% speedup for the cathedral sample.

Originally committed as revision 16203 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16202 to svn://svn.ffmpeg.org/ffmpeg/trunk

0.5% overall speedup for the cathedral sample.

Originally committed as revision 16201 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16200 to svn://svn.ffmpeg.org/ffmpeg/trunk

AVFormatParameters for grab_read_header() is non-positive.

Originally committed as revision 16199 to svn://svn.ffmpeg.org/ffmpeg/trunk

video_window video_win field.

Originally committed as revision 16198 to svn://svn.ffmpeg.org/ffmpeg/trunk

AVRational time_base field.

Originally committed as revision 16197 to svn://svn.ffmpeg.org/ffmpeg/trunk

argument.
See the thread: "[PATCH] Fix opt_default()".

Originally committed as revision 16196 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16195 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16194 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16193 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16192 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16191 to svn://svn.ffmpeg.org/ffmpeg/trunk