Ok cool.
One more sanity test.
`pasuspender -- speaker-test --nloops=1 --test=wav --channels=2 --device=temp`
Works as expected?
On Fri, Aug 9, 2019 at 10:23 AM Krzysztof Cieniawski <kcieniawski@xxxxxxxxx> wrote:
I have added `hint` field in `/usr/share/alsa/alsa.conf.d/iopdm.conf` file where I have configuration of my plug-in and when I list pcm's with hints it shows up._______________________________________________pt., 9 sie 2019 o 15:56 Russell Treleaven <rtreleaven@xxxxxxxxxxxx> napisał(a):`aplay -L` lists pcm's with hints.If you add a hint to your pcm does it show up in the output of `aplay -L` ?On Fri, Aug 9, 2019 at 9:32 AM Krzysztof Cieniawski <kcieniawski@xxxxxxxxx> wrote:_______________________________________________Hello!
I am developing ALSA plug-in based on ALSA PCM External Plugin SDK. Plug-in is source plug and has to convert PDM signal from microphone input to PCM used by Linux. I have succeeded to compile it using cmake and I have copied it to ALSA lib directory. I have updated .asoundrc file and make right PCM connection. I am able to record sound using this plug-in with arecord command. Unfortunatelly when I start PulseAudio server I got error message:
I: [pulseaudio] (alsa-lib)dlmisc.c: Cannot open shared library /usr/lib/aarch64-linux-gnu/alsa-lib/libasound_module_pcm_iopdm.so I: [pulseaudio] alsa-util.c: Error opening PCM device temp: No such device or address E: [pulseaudio] module.c: Failed to load module "module-alsa-source" (argument: "device=temp"): initialization failed. E: [pulseaudio] main.c: Module load failed. E: [pulseaudio] main.c: Failed to initialize daemon.I would like to use PulseAudio on top of my device because I am using Amazon Alexa which use PulseAudio. How to get things right? Where is the problem? If there is other solution available I would be grateful for it to.
On the path given in this error message there is this plug-in.I would be very grateful for any help!
Regards,
Krzysztof Cieniawski
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