[mythtv-users] I've lost audio in Video and DVD modes

Tue Apr 27 21:16:31 EDT 2004

Mike Jasper wrote:

> I have a standalone mythtv box running FC1, 2.4.22-1.2188.nptl ATrpms 
> kernel, with an M-Audio Audiophile 2496 sound card (audio via ALSA). 
> Everything was working beautifully until recently - now I'm not 
> getting audio when trying to play videos or DVDs.  However, audio is 
> fine on live and recorded TV, and when playing music via myth or 
> xmms.  I also tried playing some of my .mpg videos outside of mythtv, 
> in both mplayer and xine.  No audio.  I've re-run alsaconf to no 
> avail, and played with every setting in alsamixer and envy24control.  
> And as of tonight, mplayer crashes when I try to play a video via mythtv.
>
> Below is output from mplayer after starting mythfrontend from the 
> console, and trying to play a video.
>
> Any help is appreciated - thanks.
>
> --Mike
>
>
> $ mythfrontend
> 2004-04-26 23:38:20 mythfrontend version: 0.14.20040123-1 www.mythtv.org
> 2004-04-26 23:38:20 Enabled verbose msgs : important general
> 2004-04-26 23:38:20 Registering Internal as a media playback plugin.
> 2004-04-26 23:38:21 Registering MythMusic Media Handler as a media 
> handler
> 2004-04-26 23:38:21 Mediamonitor: Adding /dev/cdrom
> 2004-04-26 23:38:21 Starting media monitor.
> 2004-04-26 23:38:21 Media status changed...  New status is:
> MPlayer dev-CVS-040411-00:00-3.3.2 (C) 2000-2004 MPlayer Team
>
> CPU: Intel Pentium 4/Xeon/Celeron Foster 2400 MHz (Family: 8, 
> Stepping: 9)
> Detected cache-line size is 64 bytes
> CPUflags:  MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
> Reading config file /etc/mplayer/mplayer.conf
> Reading config file /home/mythtv/.mplayer/config
> Reading /home/mythtv/.mplayer/codecs.conf: Can't open
> '/home/mythtv/.mplayer/codecs.conf': No such file or directory
> Reading /etc/mplayer/codecs.conf: Can't open 
> '/etc/mplayer/codecs.conf': No such file or directory
> Using built-in default codecs.conf.
> font: can't open file: /home/mythtv/.mplayer/font/font.desc
> Font /usr/share/mplayer/font/font.desc loaded successfully! (206 chars)
> Linux RTC init error in ioctl (rtc_irqp_set 1024): Permission denied
> Try adding "echo 1024 > /proc/sys/dev/rtc/max-user-freq" to your system
> startup scripts.
> Using usleep() timing
> Can't open input config file /home/mythtv/.mplayer/input.conf: No such 
> file or directory
> Can't open input config file /etc/mplayer/input.conf: No such file or
> directory
> Falling back on default (hardcoded) input config
> Opening joystick device /dev/input/js0
> Setting up LIRC support...
>
> Playing /nfs/video/music/AIC--Again.mpg.
> MPEG-PS file format detected.
> VIDEO:  MPEG1  320x240  (aspect 1)  29.970 fps  1150.0 kbps (143.8 
> kbyte/s)
> ========================================================================== 
>
> Opening audio decoder: [mp3lib] MPEG layer-2, layer-3
> MP3lib: init layer2&3 finished, tables done
> AUDIO: 44100 Hz, 2 ch, 16 bit (0x10), ratio: 24000->176400 (192.0 kbit)
> Selected audio codec: [mp3] afm:mp3lib (mp3lib MPEG layer-2, layer-3)
> ========================================================================== 
>
> vo: X11 running at 800x600 with depth 24 and 32 bpp (":0" => local 
> display)
> ========================================================================== 
>
> Opening video decoder: [mpegpes] MPEG 1/2 Video passthrough
> VDec: vo config request - 320 x 240 (preferred csp: Mpeg PES)
> Could not find matching colorspace - retrying with -vf scale...
> Opening video filter: [scale]
> The selected video_out device is incompatible with this codec.
> VDecoder init failed :(
> Opening video decoder: [libmpeg2] MPEG 1/2 Video decoder libmpeg2-v0.3.1
> Selected video codec: [mpeg12] vfm:libmpeg2 (MPEG 1 or 2 (libmpeg2))
> ========================================================================== 
>
> Checking audio filter chain for 44100Hz/2ch/16bit -> 44100Hz/2ch/16bit...
> AF_pre: af format: 2 bps, 2 ch, 44100 hz, little endian signed int
> AF_pre: 44100Hz 2ch Signed 16-bit (Little-Endian)
> alsa-init: requested format: 44100 Hz, 2 channels, Signed 16-bit
> (Little-Endian)
> alsa-init: 1 soundcard found, using: hw:0,0
> alsa-init: format Signed 16-bit (Little-Endian) are not supported by 
> hardware,
> trying default
> alsa-init: unable to set format: Invalid argument
> audio_setup: Can't open audio device /dev/dsp: Device or resource busy
> alsa-init: requested format: 44100 Hz, 2 channels, Signed 16-bit
> (Little-Endian)
> alsa-init: soundcard set to @
> ALSA lib pcm.c:1962:(snd_pcm_open_noupdate) Unknown PCM @
> alsa-init: playback open error: No such file or directory
> AO: [arts] can't connect to aRts soundserver
> AO: [esd] esd_open_sound failed: Connection refused
> SDL: Samplerate: 44100Hz Channels: Stereo Format Signed 16-bit 
> (Little-Endian)
>
>
> MPlayer interrupted by signal 11 in module: ao2_init
> - MPlayer crashed by bad usage of CPU/FPU/RAM.
>   Recompile MPlayer with --enable-debug and make a 'gdb' backtrace and
>   disassembly. Details in 
> DOCS/HTML/en/bugreports_what.html#bugreports_crash.
> - MPlayer crashed. This shouldn't happen.
>   It can be a bug in the MPlayer code _or_ in your drivers _or_ in your
>   gcc version. If you think it's MPlayer's fault, please read
>   DOCS/HTML/en/bugreports.html and follow the instructions there. We 
> can't and
>   won't help unless you provide this information when reporting a 
> possible
> bug.
> 2004-04-26 23:38:40 Connecting to backend server: 192.168.0.33:6543 
> (try 1 of
> 5)
> 2004-04-26 23:38:40 Using protocol version 1
> 2004-04-26 23:38:40 Using protocol version 1
> $
>
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>
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>  
>
I am having the opposite problem. I have been able to get spdif sound 
working with mplayer using the newer option of ao=alsa1x:spdif (instead 
of alsa9:spdif). I have not been able to get sound while watching live 
tv or recorded shows. I am running with kernel 2179 and the latest alsa 
files.

- James