[mythtv-users] Odd audio problem. Can only get audio via spdif

Fa fayoeu at gmail.com
Tue Nov 24 16:33:37 UTC 2009


On Sun, Nov 22, 2009 at 12:16 AM, Fa <fayoeu at gmail.com> wrote:

> I am running into a similar issue. I have sound in fedora 12 in all other
> apps except mythfrontend when using the analog out jack.  I have tried to
> change the audio to ALSA:default and ALSA:analog, but no sound comes out.
> My speakers are connected to the analog out jack.
>

For my particular issue, i filed this bug which is now closed as a fedora
problem:  http://svn.mythtv.org/trac/ticket/7645


>
> 2009-11-22 00:02:09.128 Opening audio device 'default'. ch 2(2) sr 48000
> 2009-11-22 00:02:09.128 Opening ALSA audio device 'default'.
> 2009-11-22 00:02:09.131 ALSA, Warning: mmap not available, attempting to
> fall back to slow writes.
>
> [fa at mythtv ~]$ mythfrontend --version
> Please include all output in bug reports.
> MythTV Version   : 22849
> MythTV Branch    : branches/release-0-22-fixes/mythtv/
> Network Protocol : 50
> Library API      : 0.22.20091023-1
> QT Version       : 4.5.3
> Options compiled in:
>  linux release using_oss using_alsa using_pulse using_arts using_jack
> using_backend using_dvb using_firewire using_frontend using_hdhomerun
> using_hdpvr using_iptv using_ivtv using_joystick_menu using_libfftw3
> using_lirc using_mheg using_opengl_video using_opengl_vsync using_qtwebkit
> using_v4l using_x11 using_xrandr using_xv using_xvmc using_xvmc_vld
> using_xvmcw using_bindings_perl using_bindings_python using_opengl
> using_vdpau using_ffmpeg_threads using_libavc_5_3 using_live using_mheg
>
> On Fri, Nov 20, 2009 at 9:33 PM, <stefan_jones at comcast.net> wrote:
>
>> (NB: Abit motherboard, GeForce 7050/nForce 630 chipset.)
>>
>> Before my Fedora 12 install, my system could play audio via the TV's
>> speakers (connected to the mobo standard speaker out)  (if the video was
>> analog) or from my stereo system (for digital recordings), which has an
>> spdif connection to my mobo. I could live with this.
>>
>> Now I can only play via the spdif port, when ALSA:spdif is selected. And
>> it works for both analog and digital recordings! I can't get any other ALSA
>> device to work.
>>
>> What puzzles me is that when I test my audio devices via Fedora's Settings
>> / Multimedia section, I can get sound out of the standard speakers.
>>
>> Fedora's multimedia section mentions a Pulse Audio device. Why doesn't
>> this show up as a device under Myth? Maybe the ALSA devices are too low
>> level?
>>
>> _______________________________________________
>> mythtv-users mailing list
>> mythtv-users at mythtv.org
>> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>>
>>
>
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