[mythtv-commits] Ticket #1399: NTSC closed captioning on saa7134

[MythTV]

#1399: NTSC closed captioning on saa7134
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 Reporter:  ovek at transgaming.com  |       Owner:  ijr
     Type:  defect                |      Status:  new
 Priority:  minor                 |   Milestone:     
Component:  mythtv                |     Version:     
 Severity:  medium                |  
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 Please include a patch like this in MythTV. It replaces some
 hardcoded NTSC closed caption decoder timings with timings
 calculated from the card's actual VBI sampling rate, much
 like zvbi does. The rounding I added should make sure the
 calculations on a bttv card yields the exact same values as
 were previously used. So it shouldn't have any effect on
 bttv - but for saa7134, it makes a world of difference.
 (A world of understanding of what people are saying on TV...)

 bttv:
  * sampling rate: 28636363
  * samples per line: 2048
  * sample format: 12
  * start: 10, 273
  * count: 16, 16
  * flags: 0x0
 saa7134:
  * sampling rate: 27000000
  * samples per line: 2048
  * sample format: 12
  * start: 10, 273
  * count: 12, 12
  * flags: 0x0

 (Put the above data into the related comment in
 NuppelVideoRecorder.cpp if you wish.)

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Ticket URL: <http://cvs.mythtv.org/trac/ticket/1399>
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