[mythtv-commits] Ticket #1095: Add EIA-708 caption decoding

MythTV mythtv at cvs.mythtv.org
Fri Mar 10 01:51:10 UTC 2006


#1095: Add EIA-708 caption decoding
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 Reporter:  danielk  |        Owner:  danielk
     Type:  task     |       Status:  new    
 Priority:  minor    |    Milestone:  0.20   
Component:  mythtv   |      Version:  head   
 Severity:  medium   |   Resolution:         
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Comment (by danielk):

 (In [9312]) References #1095. Reorder ATSC caption packets properly.

 The caption packets are in display order, but we were processing them in
 decode order. Many channels transmit captions only on B frames, so this
 wasn't a problem on those channels. But for channels like FOX and UPN to
 work we need to do this properly.

 This also makes the implementation closer to what the ffmpeg folks want
 for ATSC caption decoding to be accepted upstream, by using a stream of
 data rather than a callback; it just needs to be repackaged into an
 av_stream before they will accept the patch.

-- 
Ticket URL: <http://cvs.mythtv.org/trac/ticket/1095>
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