There’s this snd_pcm_open() function, and one of its arguments takes “ASCII identifier of the PCM handle”. How can I get it for each individual devices?
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I’d have a look at the aplay.c implementation for listing PCM device names (
-L),pcm_list().It’s basically using snd_device_name_hint(-1, “pcm”, &hints) and snd_device_name_get_hint() calls to discover the PCM device names.
