<div dir="ltr"><div><div><div><div>I've had an issue since upgrading to 0.27-fixes where DVD's with stereo audio don't play the audio in the main video track. Audio plays fine during the menu however when the movie itself plays there is no sound. It play fine using VLC on the same system.<br>
<br></div><div>I tried again this morning using a compile from the latest git of 0.27-fixes<br></div><div><br></div>We have a number of exercise DVD's and a dog training DVD that all have this issue. For the dog training DVD the audio information according to VLC is:<br>
<br>Codec: DVD lpcm audio (lpcm)<br>Language: English<br>Channels: Stereo<br>Sample rate: 48000 Hz<br>Bits per sample: 16<br><br></div><div>During playback (no audio can be heard) bringing up the playback data shows the audio as:<br>
<br></div><div>Audio: PCM_S16BE<br></div><div>Channels: 2<br>Sample Rate: 48.0kHz<br><br></div><div>During the menu (when audio can be heard) the playback data shows:<br><br></div><div>Audio: AC3<br></div><div>Channels: 2<br>
</div><div>Sample Rate: 48.0kHz<br></div><div><br></div>My mythtv version is:<br><br>mythfrontend --version<br>Please attach all output as a file in bug reports.<br>MythTV Version : v0.27-79-gd31e729-dirty<br>MythTV Branch : fixes/0.27<br>
Network Protocol : 77<br>Library API : 0.27.20131107-1<br>QT Version : 4.8.1<br>Options compiled in:<br> linux profile use_hidesyms using_alsa using_pulse using_backend using_bindings_perl using_bindings_python using_bindings_php using_dvb using_frontend using_hdhomerun using_libcrypto using_libdns_sd using_libfftw3 using_libxml2 using_lirc using_mheg using_opengl using_opengl_video using_qtwebkit using_qtscript using_qtdbus using_sdl using_taglib using_v4l2 using_x11 using_xrandr using_xv using_profiletype using_mythlogserver using_bindings_perl using_bindings_python using_bindings_php using_mythtranscode using_opengl using_vdpau using_ffmpeg_threads using_mheg using_libass using_libxml2<br>
<br></div>A playback log shows:<br><br>2013-11-09 10:38:06.150933 I TV: Changing from None to WatchingDVD<br>2013-11-09 10:38:06.153758 N AudioPlayer: Enabling Audio<br>2013-11-09 10:38:06.156384 I TV: Main UI disabled.<br>
2013-11-09 10:38:06.156583 I TV: Entering main playback loop.<br>2013-11-09 10:38:06.157991 I ScreenSaverX11Private: DPMS Deactivated 1<br>2013-11-09 10:38:06.180352 I VDPAU: Added 2 output surfaces (total 4, max 4)<br>
2013-11-09 10:38:06.763451 I AFD: codec AC3 has 0 channels<br>2013-11-09 10:38:06.763817 I AFD: Opened codec 0x7fd4cc049220, id(AC3) type(Audio)<br>2013-11-09 10:38:06.763834 I DVD Audio Track #0 Language Extension Code - 0<br>
2013-11-09 10:38:06.763861 I AFD: Audio Track #1, of type (Normal) is A/V stream #3 (id=0x80) and has 0 channels in the Undetermined language(7695972).<br>2013-11-09 10:38:06.764002 I AFD: Audio is disabled - trying to restart it<br>
2013-11-09 10:38:06.764024 I AFD: Selected track 1: Undetermined AC3 2ch (A/V Stream #3)<br>2013-11-09 10:38:06.764030 I AFD: Audio data is planar<br>2013-11-09 10:38:06.764046 I AFD: Initializing audio parms from audio track #1<br>
2013-11-09 10:38:06.764064 I AFD: Audio format changed from id(NONE) -1Hz -1ch -1bps (profile 0) to id(AC3) 48000Hz 2ch 32bps (profile 0)<br>2013-11-09 10:38:06.764076 I AOBase: Reconfigure(): No change -> exiting<br>
2013-11-09 10:38:08.003833 I AOBase: Pause 1<br>2013-11-09 10:38:08.003952 I AOBase: Pause 1<br>2013-11-09 10:38:08.004032 I AOBase: Pause 0<br>2013-11-09 10:38:08.010705 I AOBase: OutputAudioLoop: Play Event<br>2013-11-09 10:38:13.670524 I ALSA: WriteAudio: buffer underrun<br>
2013-11-09 10:38:13.671153 I AOBase: Pause 1<br>2013-11-09 10:38:13.671366 I AOBase: Pause 1<br>2013-11-09 10:38:13.671463 I AOBase: Pause 1<br>2013-11-09 10:38:13.671692 I AOBase: Pause 1<br>2013-11-09 10:38:13.671781 I AOBase: Pause 1<br>
2013-11-09 10:38:13.671863 I AOBase: Pause 1<br>2013-11-09 10:38:13.671944 I AOBase: Pause 1<br>2013-11-09 10:38:13.672030 I AOBase: Pause 1<br>2013-11-09 10:38:13.672136 I AOBase: Pause 1<br>2013-11-09 10:38:13.698030 N AudioPlayer: Enabling Audio<br>
2013-11-09 10:38:13.700038 I ScreenSaverX11Private: DPMS Deactivated 1<br>2013-11-09 10:38:13.700176 I AOBase: Pause 0<br>2013-11-09 10:38:13.706620 I AOBase: OutputAudioLoop: Play Event<br>2013-11-09 10:38:13.919128 I AFD: codec PCM_DVD has 0 channels<br>
2013-11-09 10:38:13.919204 I AFD: Opened codec 0x7fd4cc048200, id(PCM_DVD) type(Audio)<br>2013-11-09 10:38:13.919244 I DVD Audio Track #0 Language Extension Code - 0<br>2013-11-09 10:38:13.919319 I AFD: Audio Track #1, of type (Normal) is A/V stream #3 (id=0xa0) and has 0 channels in the English language(6647399).<br>
2013-11-09 10:38:13.919550 I AFD: Audio is disabled - trying to restart it<br>2013-11-09 10:38:13.919591 I AFD: Selected track 1: English PCM_DVD 2ch (A/V Stream #3)<br>2013-11-09 10:38:13.919629 I AFD: Initializing audio parms from audio track #1<br>
2013-11-09 10:38:13.919682 I AFD: Audio format changed from id(NONE) -1Hz -1ch -1bps (profile 0) to id(PCM_S16BE) 48000Hz 2ch 32bps (profile 0)<br>2013-11-09 10:38:13.919709 I AOBase: Killing AudioOutputDSP<br>
2013-11-09 10:38:13.929768 I AOBase: OutputAudioLoop: Stop Event<br>2013-11-09 10:38:13.929797 I AOBase: kickoffOutputAudioLoop exiting<br>2013-11-09 10:38:13.930257 I AOBase: Original codec was PCM_S16BE, signed 32 bit, 48 kHz, 2 channels<br>
2013-11-09 10:38:13.930331 I AOBase: enc(0), passthru(0), features (AC3,DTS,LPCM,EAC3,TRUEHD,DTSHD) configured_channels(2), 2 channels supported(1) max_channels(6)<br>2013-11-09 10:38:13.930370 I AOBase: Opening audio device 'hdmi:CARD=NVidia,DEV=3' ch 2(2) sr 48000 sf signed 32 bit reenc 0<br>
2013-11-09 10:38:13.930387 I ALSA: OpenDevice hdmi:CARD=NVidia,DEV=3<br>2013-11-09 10:38:13.931657 I ALSA: SetParameters(format=10, channels=2, rate=48000, buffer_time=500000, period_time=4)<br>2013-11-09 10:38:13.931749 I ALSA: Buffer size range from 32 to 393216<br>
2013-11-09 10:38:13.931764 I ALSA: Period size range from 16 to 196608<br>2013-11-09 10:38:13.931807 I ALSA: Buffer time = 500000 us<br>2013-11-09 10:38:13.931832 I ALSA: Period time = 4 periods<br>2013-11-09 10:38:13.967624 I ALSA: Buffer size = 24000 | Period size = 6000<br>
2013-11-09 10:38:14.003701 I AOBase: Audio fragment size: 24000<br>2013-11-09 10:38:14.003741 I AOBase: Audio Stretch Factor: 1<br>2013-11-09 10:38:14.003833 I AOBase: Ending Reconfigure()<br>2013-11-09 10:38:14.004073 I AOBase: kickoffOutputAudioLoop: pid = 3297<br>
2013-11-09 10:38:14.004146 I AOBase: OutputAudioLoop: Play Event<br>2013-11-09 10:38:14.004463 E AO: audio decode error: Invalid argument (0)<br>2013-11-09 10:38:14.004527 E AFD: Unknown audio decoding error<br>2013-11-09 10:38:14.005863 E AO: audio decode error: Invalid argument (0)<br>
2013-11-09 10:38:14.005878 E AFD: Unknown audio decoding error<br>2013-11-09 10:38:14.006160 E AO: audio decode error: Invalid argument (0)<br>2013-11-09 10:38:14.006173 E AFD: Unknown audio decoding error<br>2013-11-09 10:38:14.006461 E AO: audio decode error: Invalid argument (0)<br>
2013-11-09 10:38:14.006484 E AFD: Unknown audio decoding error<br>2013-11-09 10:38:14.006936 E AO: audio decode error: Invalid argument (0)<br><br><br></div>So the audio is playing during the menu but once the main video track starts to play the audio does not work and the log is filled with the audio decide error.<br>
<br>Has anyone else seen this?<br><br>Thanks!<br><br>Neil<br><div><div><br><br><br></div></div></div>