TrackOperation

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Hello everyone,

Following the recent discussions on 3D video in Matroska and the inclusion
of S_DVBSUB, I combined the 2 issues into a single solution. There is now a
new element in Matroska TrackOperation that allows defining a track as the
"sum" of other tracks.

http://www.matroska.org/technical/specs/index.html#TrackOperation

This important that the TrackEnabled element is repected in the future,
especially for S_DVBSUB as individual parts are not meant to be used
separately.

Here are basic examples of how the TrackOperation works:

3D video track #4 is the sum of planes from
 left   = track #1
 right  = track #2
 backgroundd = track #3

Track #4
TrackOperation
 Track3DCombine
   Track3DLeft = #1
   Track3DRight = #2
   Track3DBackground = #3



DVBSub track 4 is the sum of blocks from
 particular = track 1 (disabled)
 common     = track 2 (disabled)

Track #4
TrackOperation
 TrackJoinBlocks
   TrackJoin = #1
   TrackJoin = #2

DVBSub track 5 is the sum of blocks from
 particular = track 3 (disabled)
 common     = track 2 (disabled)

Track #5
TrackOperation
 TrackJoinBlocks
   TrackJoin = #3
   TrackJoin = #2

It's almost set in stone now. But comments are welcome.

The next phase will be to produce files using these elements and have
something to play them back...

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Hello everyone,<div><br></div><div>Following the recent discussions on 3D v=
ideo in Matroska and the inclusion of S_DVBSUB, I combined the 2 issues int=
o a single solution. There is now a new element in Matroska TrackOperation =
that allows defining a track as the &quot;sum&quot; of other tracks.</div>
<div><br></div><div><a href=3D"http://www.matroska.org/technical/specs/inde=
x.html#TrackOperation">http://www.matroska.org/technical/specs/index.html#T=
rackOperation</a></div><div><br></div><div>This important that the TrackEna=
bled element is repected in the future, especially for S_DVBSUB as individu=
al parts are not meant to be used separately.</div>
<div><br></div><div>Here are basic examples of how the TrackOperation works=
:</div><div><br></div><div><div>3D video track #4 is the sum of planes from=
</div><div>=A0left =A0 =3D track #1</div><div>=A0right =A0=3D track #2</div=
><div>=A0backgroundd =3D track #3</div>
<div><br></div><div>Track #4</div><div>TrackOperation</div><div>=A0Track3DC=
ombine</div><div>=A0=A0 Track3DLeft =3D #1</div><div>=A0=A0 Track3DRight =
=3D #2</div><div>=A0=A0 Track3DBackground =3D #3</div><div><br></div><div><=
br></div><div><br>
</div><div>DVBSub track 4 is the sum of blocks from</div><div>=A0particular=
 =3D track 1 (disabled)</div><div>=A0common =A0 =A0 =3D track 2 (disabled)<=
/div><div>=A0</div><div>Track #4</div><div>TrackOperation</div><div>=A0Trac=
kJoinBlocks</div>
<div>=A0=A0 TrackJoin =3D #1</div><div>=A0=A0 TrackJoin =3D #2</div><div><b=
r></div><div>DVBSub track 5=A0is the sum of blocks from</div><div>=A0partic=
ular =3D track 3 (disabled)</div><div>=A0common =A0 =A0 =3D track 2 (disabl=
ed)</div><div><br></div>
<div>Track #5</div><div>TrackOperation</div><div>=A0TrackJoinBlocks</div><d=
iv>=A0=A0 TrackJoin =3D #3</div><div>=A0=A0 TrackJoin =3D #2</div></div><di=
v><br></div><div>It&#39;s almost set in stone now. But comments are welcome=
.</div><div>
<br></div><div>The next phase will be to produce files using these elements=
 and have something to play them back...</div>

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