[mythtv-commits] Ticket #6038: dvd speed control doesn't work correctly

MythTV mythtv at cvs.mythtv.org
Tue Dec 30 14:19:55 UTC 2008

#6038: dvd speed control doesn't work correctly
 Reporter:  Rob Webb <robwebb5 at yahoo.co.uk>  |       Owner:  skamithi
     Type:  defect                           |      Status:  new     
 Priority:  minor                            |   Milestone:  unknown 
Component:  DVD Playback                     |     Version:  unknown 
 Severity:  medium                           |     Mlocked:  0       
 DVD speed control when using the "Internal" player for DVD playback does
 not work, resulting in the DVD spinning at maximum speed and making lots
 of noise.

 When using the "speedcontrol.c" program
 (http://noto.de/speed/speedcontrol.c) and an external player e.g. xine or
 vlc the DVD speed is correctly changed, resulting in a nice quiet DVD
 watching experience.

 The reason for the problem with the "Internal" player is that MythTV will
 call CDROM_SELECT_SPEED ioctl, and only if this fails will it call SG_IO
 to send the "SET_STREAMING" command to the DVD player, whereas the
 speedcontrol program first sends the "SET_STREAMING" command and then (on
 success) calls the CDROM_SELECT_SPEED ioctl. The solution is to modify
 MythTV to call SG_IO first, and then (on success) the CDROM_SELECT_SPEED

Ticket URL: <http://svn.mythtv.org/trac/ticket/6038>
MythTV <http://www.mythtv.org/>

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