matroskaenc: Don't write a second seekhead for the clusters; mkvalidate agreeswith me that it's unnecessary.
Originally committed as revision 23478 to svn://svn.ffmpeg.org/ffmpeg/trunk
matroskaenc: Mux clusters better
Start them on keyframes when reasonable, and delay writing audio packetsto help ensure that there's audio samples available for the first frame inclusters.
Patch by James Zern <jzern at google>
Originally committed as revision 23473 to svn://svn.ffmpeg.org/ffmpeg/trunk
matroskaenc: Write codec time base as default duration for video tracks.
This isn't exactly semantically equivalent, but the field has already beenlong abused to mean this, and writing it helps in determining a decent cfrtime base when transcoding from a mkv where the video codec stores none (VP8)....
Update regression tests after removing track timecode scale from mkvenc
Originally committed as revision 23248 to svn://svn.ffmpeg.org/ffmpeg/trunk
Place regression test output files in subdirs per family
Originally committed as revision 22155 to svn://svn.ffmpeg.org/ffmpeg/trunk
Update regression tests after r21372
Originally committed as revision 21374 to svn://svn.ffmpeg.org/ffmpeg/trunk
regtest: split reference files allowing tests to run individually
With this change, the output is checked immediately after each testhas run. This means commands like "make regtest-mpeg2" can now beused to run a single test and get meaningful results....