All, I sent an email a while back about problems getting ALSA to work. I have OSS working in mythtv and ALSA works in both mplayer and xine, but I get no sound when specifying either "ALSA:default" or "ALSA:spdif" with or without AC3 passthrough. I'm using the spdif outputs on an Maudio Delta DIO 2496. Here's the output of 'mythfrontend --verbose playback,audio'
2005-06-13 17:26:40.888 New DB connection, total: 1 Total desktop width=640, height=480, numscreens=1 2005-06-13 17:26:40.896 Using screen 0, 640x480 at 0,0 2005-06-13 17:26:40.902 mythfrontend version: 0.18.20050523-1 www.mythtv.org 2005-06-13 17:26:40.902 Enabled verbose msgs : important general playback audio 2005-06-13 17:26:41.238 max_width: 640 max_height: 480 2005-06-13 17:26:41.440 Switching to square mode (blue) 2005-06-13 17:26:42.103 New DB connection, total: 2 2005-06-13 17:26:42.105 Joystick disabled. 2005-06-13 17:26:42.155 Registering Internal as a media playback plugin. 2005-06-13 17:26:42.179 Registering MythDVD DVD Media Handler as a media handler2005-06-13 17:26:42.180 Registering MythDVD VCD Media Handler as a media handler2005-06-13 17:26:42.695 Registering MythMusic Media Handler as a media handler 2005-06-13 17:26:44.177 Connecting to backend server: 192.168.10.100:6543 (try 1 of 5) 2005-06-13 17:26:44.184 Using protocol version 17 2005-06-13 17:26:44.216 Using protocol version 17 2005-06-13 17:26:46.229 AVFD: Opening Stream #0: codec id 2 2005-06-13 17:26:46.234 detectInterlace(Detect Scan, Detect Scan, 29.97, 480) ->Interlaced Scan 2005-06-13 17:26:46.234 Interlaced: Interlaced Scan video_height: 480 fps: 29.97 2005-06-13 17:26:46.235 AVFD: Looking for decoder for 2 2005-06-13 17:26:46.236 AVFD: Opening Stream #1: codec id 86016 2005-06-13 17:26:46.236 AVFD: Looking for decoder for 86016 2005-06-13 17:26:46.262 Stream #1 (audio track #0) is an audio stream with 2 channels. 2005-06-13 17:26:46.262 Auto-selecting audio track #1 (stream #1). 2005-06-13 17:26:46.262 It has 2 channels and we needed at least 1 2005-06-13 17:26:46.262 Initializing audio parms from audio track #0. 2005-06-13 17:26:46.340 Estimated bitrate = 8384 2005-06-13 17:26:46.346 Filling position map from 0 to 37 2005-06-13 17:26:46.355 Position map filled from Encoder to: 2 2005-06-13 17:26:46.355 SyncPositionMap liveTV, from Encoder: 3 entries 2005-06-13 17:26:46.355 SyncPositionMap, new totframes: 30, new length: 1, posMap size: 3 2005-06-13 17:26:46.355 Partial position map found 2005-06-13 17:26:46.356 AvFormatDecoder: Successfully opened decoder for file: "rbuf://192.168.10.100:6543/MythTV/Buffer/ringbuf1.nuv". novideo(0) 2005-06-13 17:26:46.357 Killing AudioOutputDSP 2005-06-13 17:26:46.359 Opening audio device 'default'. 2005-06-13 17:26:46.368 in SetParameters(format=2, channels=2, rate=48000, buffer_time=500000, period_time=125000) 2005-06-13 17:26:46.370 get_buffer_size returned 6553 2005-06-13 17:26:46.370 set_period_time_near returned 68250 2005-06-13 17:26:46.370 get_period_size returned 3276 2005-06-13 17:26:46.372 Audio fragment size: 4096 2005-06-13 17:26:46.374 Audio Stretch Factor: 1 2005-06-13 17:26:46.374 Ending reconfigure 2005-06-13 17:26:46.374 kickoffOutputAudioLoop: pid = 6031 2005-06-13 17:26:46.375 OutputAudioLoop: Play Event 2005-06-13 17:26:46.375 Broadcasting free space avail 2005-06-13 17:26:46.378 VideoOutputXv() 2005-06-13 17:26:46.390 Over/underscan. V: 0, H: 0, XOff: 0, YOff: 0 2005-06-13 17:26:46.391 Broadcasting free space avail 2005-06-13 17:26:46.400 @ j=3 Looking for flag[s]: XvInputMask XvImageMask 2005-06-13 17:26:46.401 Adaptor: 0 has flag[s]: XvInputMask XvImageMask 2005-06-13 17:26:46.401 XVideo surface found on port 105 2005-06-13 17:26:46.407 Snapping height to avoid scaling: disphoff 480, dispyoff: 0 2005-06-13 17:26:46.407 Image size. dispxoff 0, dispyoff: 0, dispwoff: 640, disphoff: 480 2005-06-13 17:26:46.407 Image size. imgx 0, imgy: 0, imgw: 720, imgh: 480 2005-06-13 17:26:46.409 Broadcasting free space avail 2005-06-13 17:26:46.420 Broadcasting free space avail 2005-06-13 17:26:46.424 Broadcasting free space avail 2005-06-13 17:26:46.429 Broadcasting free space avail 2005-06-13 17:26:46.432 Broadcasting free space avail 2005-06-13 17:26:46.436 Broadcasting free space avail 2005-06-13 17:26:46.440 Broadcasting free space avail 2005-06-13 17:26:46.444 Broadcasting free space avail 2005-06-13 17:26:46.448 Broadcasting free space avail 2005-06-13 17:26:46.452 Broadcasting free space avail 2005-06-13 17:26:46.456 Broadcasting free space avail 2005-06-13 17:26:46.460 Broadcasting free space avail 2005-06-13 17:26:46.464 Broadcasting free space avail 2005-06-13 17:26:46.468 Broadcasting free space avail 2005-06-13 17:26:46.472 Broadcasting free space avail 2005-06-13 17:26:46.476 Broadcasting free space avail 2005-06-13 17:26:46.480 Broadcasting free space avail 2005-06-13 17:26:46.484 Broadcasting free space avail 2005-06-13 17:26:46.488 Broadcasting free space avail 2005-06-13 17:26:46.492 Broadcasting free space avail 2005-06-13 17:26:46.496 Broadcasting free space avail 2005-06-13 17:26:46.500 Broadcasting free space avail 2005-06-13 17:26:46.504 Broadcasting free space avail 2005-06-13 17:26:46.508 Broadcasting free space avail 2005-06-13 17:26:46.512 Broadcasting free space avail 2005-06-13 17:26:46.516 Broadcasting free space avail 2005-06-13 17:26:46.520 Broadcasting free space avail 2005-06-13 17:26:46.524 Broadcasting free space avail 2005-06-13 17:26:46.528 Broadcasting free space avail 2005-06-13 17:26:46.532 Broadcasting free space avail 2005-06-13 17:26:46.536 Broadcasting free space avail 2005-06-13 17:26:46.540 Broadcasting free space avail 2005-06-13 17:26:46.544 Broadcasting free space avail 2005-06-13 17:26:46.548 Broadcasting free space avail 2005-06-13 17:26:46.552 Broadcasting free space avail 2005-06-13 17:26:46.556 Broadcasting free space avail 2005-06-13 17:26:46.560 Broadcasting free space avail 2005-06-13 17:26:46.564 Broadcasting free space avail 2005-06-13 17:26:46.568 Broadcasting free space avail 2005-06-13 17:26:46.572 Broadcasting free space avail 2005-06-13 17:26:46.576 Broadcasting free space avail 2005-06-13 17:26:46.580 Broadcasting free space avail 2005-06-13 17:26:46.585 Broadcasting free space avail 2005-06-13 17:26:46.589 Broadcasting free space avail 2005-06-13 17:26:46.593 Broadcasting free space avail 2005-06-13 17:26:46.597 Broadcasting free space avail 2005-06-13 17:26:46.601 Broadcasting free space avail 2005-06-13 17:26:46.605 Broadcasting free space avail 2005-06-13 17:26:46.609 Broadcasting free space avail 2005-06-13 17:26:46.613 Broadcasting free space avail 2005-06-13 17:26:46.617 Broadcasting free space avail 2005-06-13 17:26:46.621 Broadcasting free space avail 2005-06-13 17:26:46.625 Broadcasting free space avail 2005-06-13 17:26:46.629 Broadcasting free space avail 2005-06-13 17:26:46.633 Broadcasting free space avail 2005-06-13 17:26:46.637 Broadcasting free space avail 2005-06-13 17:26:46.641 Broadcasting free space avail 2005-06-13 17:26:46.645 Broadcasting free space avail 2005-06-13 17:26:46.649 Broadcasting free space avail 2005-06-13 17:26:46.653 Broadcasting free space avail 2005-06-13 17:26:46.657 Broadcasting free space avail 2005-06-13 17:26:46.661 Broadcasting free space avail 2005-06-13 17:26:46.665 Broadcasting free space avail 2005-06-13 17:26:46.669 Broadcasting free space avail 2005-06-13 17:26:46.673 Broadcasting free space avail 2005-06-13 17:26:46.677 Broadcasting free space avail 2005-06-13 17:26:46.681 Broadcasting free space avail 2005-06-13 17:26:46.686 Broadcasting free space avail 2005-06-13 17:26:46.690 Broadcasting free space avail 2005-06-13 17:26:46.694 Broadcasting free space avail 2005-06-13 17:26:46.698 Broadcasting free space avail 2005-06-13 17:26:46.702 Broadcasting free space avail 2005-06-13 17:26:46.706 Broadcasting free space avail 2005-06-13 17:26:46.710 Broadcasting free space avail 2005-06-13 17:26:46.714 Broadcasting free space avail 2005-06-13 17:26:46.718 Broadcasting free space avail 2005-06-13 17:26:46.722 Broadcasting free space avail 2005-06-13 17:26:46.726 Broadcasting free space avail 2005-06-13 17:26:46.730 Broadcasting free space avail 2005-06-13 17:26:46.734 Broadcasting free space avail 2005-06-13 17:26:46.738 Broadcasting free space avail 2005-06-13 17:26:46.742 OutputAudioLoop: audio paused 2005-06-13 17:26:46.743 26212 bytes free on soundcard 2005-06-13 17:26:46.743 WriteAudio: Preparing 4096 bytes (1024 frames) 2005-06-13 17:26:46.744 The realtime priority setting is not enabled. 2005-06-13 17:26:46.747 22116 bytes free on soundcard 2005-06-13 17:26:46.747 WriteAudio: Preparing 4096 bytes (1024 frames) 2005-06-13 17:26:46.751 18020 bytes free on soundcard 2005-06-13 17:26:46.764 Changing from None to WatchingLiveTV 2005-06-13 17:26:46.772 _AddSamples bytes=4608, used=1, free=511999, timecode=381 2005-06-13 17:26:46.773 _AddSamples bytes=4608, used=4609, free=507391, timecode=405 2005-06-13 17:26:46.773 _AddSamples bytes=4608, used=9217, free=502783, timecode=429 2005-06-13 17:26:46.774 _AddSamples bytes=4608, used=13825, free=498175, timecode=453 2005-06-13 17:26:46.775 _AddSamples bytes=4608, used=18433, free=493567, timecode=477 2005-06-13 17:26:46.786 Using deinterlace method bobdeint 2005-06-13 17:26:46.795 _AddSamples bytes=4608, used=23041, free=488959, timecode=501 2005-06-13 17:26:46.796 _AddSamples bytes=4608, used=27649, free=484351, timecode=525 2005-06-13 17:26:46.809 _AddSamples bytes=4608, used=32257, free=479743, timecode=549 2005-06-13 17:26:46.817 _AddSamples bytes=4608, used=36865, free=475135, timecode=573 2005-06-13 17:26:46.818 _AddSamples bytes=4608, used=41473, free=470527, timecode=597 2005-06-13 17:26:46.828 _AddSamples bytes=4608, used=46081, free=465919, timecode=621 2005-06-13 17:26:46.843 _AddSamples bytes=4608, used=50689, free=461311, timecode=645 2005-06-13 17:26:46.852 _AddSamples bytes=4608, used=55297, free=456703, timecode=669 2005-06-13 17:26:46.853 _AddSamples bytes=4608, used=59905, free=452095, timecode=693 2005-06-13 17:26:46.863 _AddSamples bytes=4608, used=64513, free=447487, timecode=717 2005-06-13 17:26:46.874 _AddSamples bytes=4608, used=69121, free=442879, timecode=741 2005-06-13 17:26:46.875 _AddSamples bytes=4608, used=73729, free=438271, timecode=765 2005-06-13 17:26:46.884 _AddSamples bytes=4608, used=78337, free=433663, timecode=789 2005-06-13 17:26:46.893 nVidiaVideoSync: VBlank ioctl did not work, unimplemented in this driver? 2005-06-13 17:26:46.893 DRMVideoSync: Could not open device /dev/dri/card0, Permission denied 2005-06-13 17:26:46.897 OpenGLVideoSync: GLX extensions: GLX_EXT_visual_info GLX_EXT_visual_rating GLX_SGIX_fbconfig GLX_SGIX_pbuffer GLX_SGI_video_sync GLX_SGI_swap_control GLX_ARB_get_proc_address 2005-06-13 17:26:46.954 Using OpenGLVideoSync 2005-06-13 17:26:46.954 Set video sync frame interval to 33366 2005-06-13 17:26:46.956 Using audio as timebase 2005-06-13 17:26:46.956 Video timing method: SGI OpenGL 2005-06-13 17:26:46.956 Refresh rate: 16666, frame interval: 33366 2005-06-13 17:26:46.959 _AddSamples bytes=4608, used=82945, free=429055, timecode=813 2005-06-13 17:26:46.970 _AddSamples bytes=4608, used=87553, free=424447, timecode=837 2005-06-13 17:26:46.971 _AddSamples bytes=4608, used=92161, free=419839, timecode=861 2005-06-13 17:26:46.973 OutputAudioLoop: Play Event 2005-06-13 17:26:46.973 Broadcasting free space avail 2005-06-13 17:26:46.973 WriteAudio: Preparing 4096 bytes (1024 frames) 2005-06-13 17:26:46.974 Broadcasting free space avail 2005-06-13 17:26:46.974 WriteAudio: Preparing 4096 bytes (1024 frames) 2005-06-13 17:26:46.975 Broadcasting free space avail 2005-06-13 17:26:46.975 WriteAudio: Preparing 4096 bytes (1024 frames) 2005-06-13 17:26:46.976 Broadcasting free space avail 2005-06-13 17:26:46.976 WriteAudio: Preparing 4096 bytes (1024 frames) 2005-06-13 17:26:46.976 audio waiting for space on soundcard: have 1968 need 4096 2005-06-13 17:26:46.983 audio waiting for space on soundcard: have 3240 need 4096 2005-06-13 17:26:46.987 _AddSamples bytes=4608, used=80385, free=431615, timecode=885 2005-06-13 17:26:46.992 Broadcasting free space avail 2005-06-13 17:26:46.992 WriteAudio: Preparing 4096 bytes (1024 frames) 2005-06-13 17:26:46.993 audio waiting for space on soundcard: have 1000 need 4096 2005-06-13 17:26:46.999 audio waiting for space on soundcard: have 2236 need 4096 2005-06-13 17:26:47.002 _AddSamples bytes=4608, used=80897, free=431103, timecode=909 2005-06-13 17:26:47.002 _AddSamples bytes=4608, used=85505, free=426495, timecode=933 2005-06-13 17:26:47.007 audio waiting for space on soundcard: have 3600 need 4096 2005-06-13 17:26:47.007 A/V timecodes audio 371 video 400 frameinterval 33366 avdel 29 avg 0 tcoffset 0 2005-06-13 17:26:47.013 Broadcasting free space avail 2005-06-13 17:26:47.013 WriteAudio: Preparing 4096 bytes (1024 frames) 2005-06-13 17:26:47.014 audio waiting for space on soundcard: have 972 need 40962005-06-13 17:26:47.017 _AddSamples bytes=4608, used=86017, free=425983, timecode=957 2005-06-13 17:26:47.021 audio waiting for space on soundcard: have 2344 need 4096 2005-06-13 17:26:47.028 _AddSamples bytes=4608, used=90625, free=421375, timecode=981 2005-06-13 17:26:47.028 audio waiting for space on soundcard: have 3724 need 4096 2005-06-13 17:26:47.035 Broadcasting free space avail 2005-06-13 17:26:47.035 WriteAudio: Preparing 4096 bytes (1024 frames) 2005-06-13 17:26:47.036 audio waiting for space on soundcard: have 1096 need 4096 2005-06-13 17:26:47.042 A/V timecodes audio 405 video 433 frameinterval 33366 avdel 28 avg 7250 tcoffset 0 2005-06-13 17:26:47.043 audio waiting for space on soundcard: have 2552 need 4096 2005-06-13 17:26:47.046 _AddSamples bytes=4608, used=91137, free=420863, timecode=1005 2005-06-13 17:26:47.047 _AddSamples bytes=4608, used=95745, free=416255, timecode=1029 2005-06-13 17:26:47.050 audio waiting for space on soundcard: have 3816 need 4096 2005-06-13 17:26:47.057 Broadcasting free space avail 2005-06-13 17:26:47.057 WriteAudio: Preparing 4096 bytes (1024 frames) 2005-06-13 17:26:47.058 audio waiting for space on soundcard: have 1220 need 4096 2005-06-13 17:26:47.061 _AddSamples bytes=4608, used=96257, free=415743, timecode=1053 2005-06-13 17:26:47.064 audio waiting for space on soundcard: have 2408 need 4096 2005-06-13 17:26:47.071 _AddSamples bytes=4608, used=100865, free=411135, timecode=1077 2005-06-13 17:26:47.071 audio waiting for space on soundcard: have 3752 need 4096 2005-06-13 17:26:47.073 A/V timecodes audio 437 video 467 frameinterval 33366 avdel 30 avg 12437 tcoffset 0 2005-06-13 17:26:47.078 Broadcasting free space avail 2005-06-13 17:26:47.078 WriteAudio: Preparing 4096 bytes (1024 frames) 2005-06-13 17:26:47.079 audio waiting for space on soundcard: have 1160 need 4096 2005-06-13 17:26:47.086 audio waiting for space on soundcard: have 2536 need 4096 2005-06-13 17:26:47.086 _AddSamples bytes=4608, used=101377, free=410623, timecode=1101 2005-06-13 17:26:47.087 _AddSamples bytes=4608, used=105985, free=406015, timecode=1125 2005-06-13 17:26:47.093 audio waiting for space on soundcard: have 3908 need 4096 2005-06-13 17:26:47.100 Broadcasting free space avail <snip>
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