Patch by wallak, wallak free fr

Originally committed as revision 20160 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 19911 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 19899 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 19890 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 19889 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 19888 to svn://svn.ffmpeg.org/ffmpeg/trunk

from O(packets_in_the_file) to O(num_of_streams).

Originally committed as revision 19887 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 19872 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 19871 to svn://svn.ffmpeg.org/ffmpeg/trunk

buffer when simply appending at the end works.
Much faster if one stream ends prematurely.
Fixes issue1379.

Originally committed as revision 19870 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 19869 to svn://svn.ffmpeg.org/ffmpeg/trunk

av_find_stream_info().  It forces decoding of a packet when there is no
Speex header in order to determine the correct frame size.

Originally committed as revision 19760 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 19680 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 19632 to svn://svn.ffmpeg.org/ffmpeg/trunk

(wherein av_open_input_file assumes memory ownership).
Patch by Art Clarke a<surname> xuggle com

Originally committed as revision 19436 to svn://svn.ffmpeg.org/ffmpeg/trunk

av_open_input_file(), but the file does not exist.
Patch by Art Clarke a$(surname) xuggle com

Originally committed as revision 19370 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 19326 to svn://svn.ffmpeg.org/ffmpeg/trunk

negative values.

Originally committed as revision 19325 to svn://svn.ffmpeg.org/ffmpeg/trunk

Fixes issue1240/mpeg1/smclockmpeg1.avi.3.1

Originally committed as revision 19319 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 19274 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 19272 to svn://svn.ffmpeg.org/ffmpeg/trunk

patch by Daniel Verkamp, aniel drv nu

Originally committed as revision 19254 to svn://svn.ffmpeg.org/ffmpeg/trunk

during debugging ...

Originally committed as revision 19217 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 19147 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 19014 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 19000 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18991 to svn://svn.ffmpeg.org/ffmpeg/trunk

Fix:
==22211== Conditional jump or move depends on uninitialised value(s)
==22211==    at 0x811E692: ff_print_debug_info (mpegvideo.c:1137)
==22211==    by 0x82E6A7B: decode_frame (h264.c:7897)
==22211==    by 0x80F2823: avcodec_decode_video2 (utils.c:564)
[...]
==22211==  Uninitialised value was created by a stack allocation
==22211==    at 0x8064AA3: try_decode_frame (utils.c:1845)

Originally committed as revision 18483 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18480 to svn://svn.ffmpeg.org/ffmpeg/trunk

Behaviour only changes if pkt->destuct neither av_destruct_packet,
av_destruct_packet_nofree nor NULL, in which case the new code avoids a double free.

Originally committed as revision 18452 to svn://svn.ffmpeg.org/ffmpeg/trunk

It is still used in comparisons to keep ABI compatibility.

Originally committed as revision 18431 to svn://svn.ffmpeg.org/ffmpeg/trunk

Patch by Thilo Borgmann thilo.borgmann AT g00glemail dot com.

Originally committed as revision 18408 to svn://svn.ffmpeg.org/ffmpeg/trunk

and ensures the following padding is correctly initialized to 0.

Originally committed as revision 18378 to svn://svn.ffmpeg.org/ffmpeg/trunk

AVPacket structure now resides also.

Patch by Thilo Borgmann thilo.borgmann googlemail com, see the mailinglist
thread "Google Summer of Code participation" for additional discussion.

Originally committed as revision 18353 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 18051 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 17965 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 17959 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 17956 to svn://svn.ffmpeg.org/ffmpeg/trunk

not 0 in av_seek_frame_generic.

Originally committed as revision 17905 to svn://svn.ffmpeg.org/ffmpeg/trunk

positive uninitialized variable warnings.

Originally committed as revision 17826 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 17824 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 17756 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 17690 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 17687 to svn://svn.ffmpeg.org/ffmpeg/trunk

the timestamps because delay is not known for the first few frames.

Originally committed as revision 17674 to svn://svn.ffmpeg.org/ffmpeg/trunk

This reverts r17656, which broke many tests.  Further investigation
is necessary.

Originally committed as revision 17658 to svn://svn.ffmpeg.org/ffmpeg/trunk

Patch by Ivan Schreter, schreter gmx net

Originally committed as revision 17656 to svn://svn.ffmpeg.org/ffmpeg/trunk

r_frame_rate by more than 1% over a previously set/detected value.

Originally committed as revision 17641 to svn://svn.ffmpeg.org/ffmpeg/trunk

represent the time stamps, as e.g. for ipmovie.c and set a better r_frame_rate.

Originally committed as revision 17631 to svn://svn.ffmpeg.org/ffmpeg/trunk

by the time_base change.

Originally committed as revision 17630 to svn://svn.ffmpeg.org/ffmpeg/trunk