[matroska-devel] Converting Subtitles

[Pamel]

Until it is decided how to store other subtitle formats in Matroska, it
appears that we should come up with a way to convert other subtitle formats
into something that can be used right now with Matroska.  I propose a simple
USF conversion.  The examples given by Toff are very complex because of all
of the options that are being shown off, but USF can be used as a very
simple format.  For example:

This is an example of some subs produced with subrip.

1
00:01:04,274 --> 00:01:06,390
Thebes: City of the Living.

2
00:01:07,634 --> 00:01:10,068
Crown jewel of Pharaoh Seti the First.

3
00:01:13,194 --> 00:01:16,664
Home of lmhotep, Pharaoh's high priest.



This is what it would look like converted to USF.

<subtitles>

 <subtitle start="00:01:04.274" stop="00:01:06.390">
   <text>Thebes: City of the Living.</text>
 </subtitle>

 <subtitle start="00:01:07.634" stop="00:01:10.068">
   <text>Crown jewel of Pharaoh Seti the First.</text>
 </subtitle>

 <subtitle start="00:01:13.194" stop="00:01:16.664">
   <text>Home of lmhotep, Pharaoh's high priest.</text>
 </subtitle>

</subtitles>

It is such a simple conversion, that this could easily be used to mux other
subtitles into Matroska.  All we need is a directshow filter to show them
with.


Pamel



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