[mythtv-commits] Ticket #5598: No audio with ac3 "mono" tracks

[MythTV]

#5598: No audio with ac3 "mono" tracks
--------------------+-------------------------------------------------------
 Reporter:  tafypz  |       Owner:  ijr       
     Type:  defect  |      Status:  new       
 Priority:  minor   |   Milestone:  0.21.1    
Component:  mythtv  |     Version:  0.21-fixes
 Severity:  medium  |     Mlocked:  0         
--------------------+-------------------------------------------------------
 When I try to play a DVD with audio tracks in mono, I don't get any sound.
 the latest Mplayer from atrpms and the latest VLC have no problem playing
 it with audio.

 here is the log I get with mythfrontend -v playback :

 libdvdread: Get key for /VIDEO_TS/VTS_01_1.VOB at 0x00000144
 libdvdread: Elapsed time 0
 libdvdread: Found 1 VTS's
 libdvdread: Elapsed time 0
 2008-08-01 20:18:16.862 AFD: Opened codec 0x251b5d0, id(MPEG2VIDEO)
 type(Video)
 2008-08-01 20:18:16.862 NVP: Disabling Audio, params(-1,-1,-1)
 2008-08-01 20:18:16.887 VideoOutputXv: XVideo Adaptor Name: 'NV17 Video
 Texture'
 2008-08-01 20:18:16.893 DPMS Deactivated
 2008-08-01 20:18:16.919 OSD Theme Dimensions W: 640 H: 480
 2008-08-01 20:18:17.486 TV: Changing from None to WatchingPreRecorded
 QSettings::sync: filename is null/empty
 2008-08-01 20:18:17.488 New DB connection, total: 3
 2008-08-01 20:18:17.502 Connected to database 'mythconverg' at host:
 192.168.0.21
 2008-08-01 20:18:17.612 OpenGLVideoSync()
 2008-08-01 20:18:17.652 Video timing method: SGI OpenGL
 2008-08-01 20:18:18.028 AFD: Warning, video codec 0x251b5d0 id(MPEG2VIDEO)
 type (Video) already open.
 2008-08-01 20:18:18.303 AFD: codec AC3 has 0 channels
 No accelerated IMDCT transform found
 2008-08-01 20:18:18.304 AFD: Opened codec 0x4353be0, id(AC3) type(Audio)
 2008-08-01 20:18:18.307 Opening audio device 'default'. ch 1(1) sr 48000
 2008-08-01 20:18:18.307 Opening ALSA audio device 'default'.
 2008-08-01 20:18:18.309 AudioOutput Error: Channels count (1) not
 available: Invalid argument
 2008-08-01 20:18:18.309 AudioOutput Error: Unable to set ALSA parameters
 2008-08-01 20:18:18.309 NVP: Disabling Audio, reason is: Unable to set
 ALSA parameters
 2008-08-01 20:18:18.312 AFD: Warning, video codec 0x251b5d0 id(MPEG2VIDEO)
 type (Video) already open.
 2008-08-01 20:18:18.314 AFD: Warning, audio codec 0x4353be0 id(AC3) type
 (Audio) already open, leaving it alone.
 2008-08-01 20:18:18.314 AFD: codec AC3 has 1 channels
 2008-08-01 20:18:18.314 AFD: codec AC3 has 0 channels
 No accelerated IMDCT transform found
 2008-08-01 20:18:18.315 AFD: Opened codec 0x2965570, id(AC3) type(Audio)
 2008-08-01 20:18:18.315 NVP: Disabling Audio, params(0,-1,-1)
 2008-08-01 20:18:18.317 Opening audio device 'default'. ch 1(1) sr 48000
 2008-08-01 20:18:18.317 Opening ALSA audio device 'default'.
 2008-08-01 20:18:18.317 AudioOutput Error: Channels count (1) not
 available: Invalid argument
 2008-08-01 20:18:18.317 AudioOutput Error: Unable to set ALSA parameters
 2008-08-01 20:18:18.317 NVP: Disabling Audio, reason is: Unable to set
 ALSA parameters
 2008-08-01 20:18:18.321 AFD: Warning, video codec 0x251b5d0 id(MPEG2VIDEO)
 type (Video) already open.
 2008-08-01 20:18:18.321 AFD: Warning, audio codec 0x4353be0 id(AC3) type
 (Audio) already open, leaving it alone.
 2008-08-01 20:18:18.321 AFD: codec AC3 has 1 channels
 2008-08-01 20:18:18.321 AFD: Warning, audio codec 0x2965570 id(AC3) type
 (Audio) already open, leaving it alone.
 2008-08-01 20:18:18.321 AFD: codec AC3 has 1 channels
 2008-08-01 20:18:18.321 AFD: codec AC3 has 0 channels
 No accelerated IMDCT transform found
 2008-08-01 20:18:18.321 AFD: Opened codec 0x43a6bd0, id(AC3) type(Audio)
 2008-08-01 20:18:18.322 NVP: Disabling Audio, params(0,-1,-1)
 2008-08-01 20:18:18.322 Opening audio device 'default'. ch 1(1) sr 48000
 2008-08-01 20:18:18.322 Opening ALSA audio device 'default'.
 2008-08-01 20:18:18.322 AudioOutput Error: Channels count (1) not
 available: Invalid argument
 2008-08-01 20:18:18.323 AudioOutput Error: Unable to set ALSA parameters
 2008-08-01 20:18:18.323 NVP: Disabling Audio, reason is: Unable to set
 ALSA parameters

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Ticket URL: <http://svn.mythtv.org/trac/ticket/5598>
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