Fabien COMTE wrote:
> Hi,
>
> I want to use Asterisk with ALSA / Jack audio.
>
> I tried the next configurations :
>
> 1 ) app_jack.so -> does not work.
>
> 2 ) chan_alsa.so without jackd started
> my .asoundrc :
> pcm.!default
> {
> type hw
> card 1
> }
> pcm.jack1 {
> type jack
> playback_ports {
> 0 alsa_pcm:playback_1
> 1 alsa_pcm:playback_2
> }
> capture_ports {
> 0 alsa_pcm:capture_1
> 1 alsa_pcm:capture_2
> }
> }
>
> pcm.jack1b {
> type plug
> device jack1b
> server linux
>
>
> slave {
> pcm "jack1"
> rate 8000
> format FLOAT
> channels 2
> }
> }
>
> ctl.mixer0 {
> type hw
> card 1
> }
>
> in alsa.conf :
> input_device=default
> output_device=default
>
> That works fine.
>
> 3 ) chan_alsa.so with jackd started
> Jackd launch command :
> jackd --port-max 16 --realtime --no-mlock -d alsa --playback hw:1,0
> --capture hw:1,0 --rate 8000 --period 1024 --shorts --inchannels 2
> --outchannels 2 --dither triangular &
>
> my .asoundrc :
>
> pcm.!default
> {
> type plug
> slave {
> pcm "jack1"
> rate 8000
> format FLOAT
> channels 2
> }
> }
> pcm.jack1 {
> type jack
> playback_ports {
> 0 alsa_pcm:playback_1
> 1 alsa_pcm:playback_2
> }
> capture_ports {
> 0 alsa_pcm:capture_1
> 1 alsa_pcm:capture_2
> }
> }
>
> pcm.jack1b {
> type plug
> device jack1b
> server linux
>
>
> slave {
> pcm "jack1"
> rate 8000
> format FLOAT
> channels 2
> }
> }
>
>
> ctl.mixer0 {
> type hw
> card 1
> }
>
> in alsa.conf :
> input_device=default
> output_device=default
>
> It doesn't work. Asterisk outputs are :
> [Oct 3 10:34:50] ERROR[1364]: chan_alsa.c:175 alsa_card_init: snd_pcm_open
> failed: No such file or directory
> [Oct 3 10:34:50] ERROR[1364]: chan_alsa.c:175 alsa_card_init: snd_pcm_open
> failed: No such file or directory
> [Oct 3 10:34:50] ERROR[1364]: chan_alsa.c:272 soundcard_init: Problem
> opening ALSA I/O devices
>
> But aplay my_test_file.wav works fine and arecord too...
>
> Does anyone have an idea ?
>
Does asterisk run under the same user as the .asoundrc is defined for?
Since your card is nb. 1, perhaps asterisk uses a default configuration
for card0 which may not be present on your system.
Pavel.
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