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https://github.com/alsa-project/alsa-lib.git
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29 lines
671 B
C
29 lines
671 B
C
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#include "../include/asoundlib.h"
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#include <err.h>
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int main(int argc, char *argv[])
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{
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const char *iface = "pcm";
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snd_ctl_elem_iface_t niface;
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char **hints, **n;
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int err;
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if (argc > 1)
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iface = argv[1];
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for (niface = 0; niface < SND_CTL_ELEM_IFACE_LAST; niface++)
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if (strcmp(snd_ctl_iface_conf_name(niface), iface) == 0)
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break;
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if (niface > SND_CTL_ELEM_IFACE_LAST)
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errx(1, "interface %s dnoes not exist", iface);
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err = snd_device_name_hint(-1, niface, &hints);
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if (err < 0)
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errx(1, "snd_device_name_hint error: %s", snd_strerror(err));
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n = hints;
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while (*n != NULL) {
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printf("%s\n", *n);
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n++;
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}
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snd_device_name_free_hint(hints);
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return 0;
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}
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