mirror of
https://github.com/alsa-project/alsa-lib.git
synced 2025-11-03 09:01:52 -05:00
81 lines
2.6 KiB
C
81 lines
2.6 KiB
C
#include <stdio.h>
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#include <string.h>
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#include "../include/asoundlib.h"
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int main(void)
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{
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int idx, idx1, cards, err;
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snd_ctl_t *handle;
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snd_ctl_card_info_t info;
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snd_pcm_info_t pcminfo;
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snd_mixer_info_t mixerinfo;
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snd_rawmidi_info_t rawmidiinfo;
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char str[128];
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cards = snd_cards();
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printf("Detected %i soundcard%s...\n", cards, cards != 1 ? "s" : "");
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if (cards <= 0) {
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printf("Giving up...\n");
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return 0;
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}
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for (idx = 0; idx < cards; idx++) {
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if ((err = snd_ctl_open(&handle, idx)) < 0) {
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printf("Open error: %s\n", snd_strerror(err));
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continue;
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}
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if ((err = snd_ctl_card_info(handle, &info)) < 0) {
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printf("HW info error: %s\n", snd_strerror(err));
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continue;
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}
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printf("Soundcard #%i:\n", idx + 1);
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printf(" type - %i\n", info.type);
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printf(" pcm devs - %i\n", info.pcmdevs);
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printf(" mixer devs - %i\n", info.mixerdevs);
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printf(" midi devs - %i\n", info.mididevs);
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memset(str, 0, sizeof(str));
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strncpy(str, info.id, sizeof(info.id));
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printf(" id - '%s'\n", str);
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printf(" abbreviation - '%s'\n", info.abbreviation);
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printf(" name - '%s'\n", info.name);
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printf(" longname - '%s'\n", info.longname);
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for (idx1 = 0; idx1 < info.pcmdevs; idx1++) {
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printf("PCM info, device #%i:\n", idx1);
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if ((err = snd_ctl_pcm_info(handle, idx1, &pcminfo)) < 0) {
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printf(" PCM info error: %s\n", snd_strerror(err));
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continue;
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}
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printf(" type - %i\n", pcminfo.type);
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printf(" flags - 0x%x\n", pcminfo.flags);
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printf(" id - '%s'\n", pcminfo.id);
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printf(" name - '%s'\n", pcminfo.name);
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printf(" playback - %i\n", pcminfo.playback);
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printf(" capture - %i\n", pcminfo.capture);
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}
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for (idx1 = 0; idx1 < info.mixerdevs; idx1++) {
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printf("MIXER info, device #%i:\n", idx1);
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if ((err = snd_ctl_mixer_info(handle, idx1, &mixerinfo)) < 0) {
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printf(" MIXER info error: %s\n", snd_strerror(err));
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continue;
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}
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printf(" type - %i\n", mixerinfo.type);
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printf(" elements - %i\n", mixerinfo.elements);
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printf(" groups - %i\n", mixerinfo.groups);
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printf(" attrib - 0x%x\n", mixerinfo.attrib);
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printf(" id - '%s'\n", mixerinfo.id);
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printf(" name - '%s'\n", mixerinfo.name);
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}
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for (idx1 = 0; idx1 < info.mididevs; idx1++) {
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printf("RAWMIDI info, device #%i:\n", idx1);
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if ((err = snd_ctl_rawmidi_info(handle, idx1, &rawmidiinfo)) < 0) {
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printf(" MIXER info error: %s\n", snd_strerror(err));
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continue;
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}
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printf(" type - %i\n", rawmidiinfo.type);
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printf(" flags - 0x%x\n", rawmidiinfo.flags);
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printf(" id - '%s'\n", rawmidiinfo.id);
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printf(" name - '%s'\n", rawmidiinfo.name);
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}
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snd_ctl_close(handle);
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}
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return 0;
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}
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