int main(void)
{
- int idx, idx1, cards, err;
+ int idx, dev, err;
snd_ctl_t *handle;
- snd_ctl_card_info_t info;
- snd_pcm_info_t pcminfo;
- snd_mixer_info_t mixerinfo;
- snd_rawmidi_info_t rawmidiinfo;
+ snd_ctl_card_info_t *info;
+ snd_pcm_info_t *pcminfo;
+ snd_rawmidi_info_t *rawmidiinfo;
char str[128];
- cards = snd_cards();
- printf("Detected %i soundcard%s...\n", cards, cards != 1 ? "s" : "");
- if (cards <= 0) {
- printf("Giving up...\n");
- return 0;
- }
- for (idx = 0; idx < cards; idx++) {
- if ((err = snd_ctl_open(&handle, idx)) < 0) {
+ snd_ctl_card_info_alloca(&info);
+ snd_pcm_info_alloca(&pcminfo);
+ snd_rawmidi_info_alloca(&rawmidiinfo);
+
+ idx = -1;
+ while (1) {
+ if ((err = snd_card_next(&idx)) < 0) {
+ printf("Card next error: %s\n", snd_strerror(err));
+ break;
+ }
+ if (idx < 0)
+ break;
+ sprintf(str, "hw:CARD=%i", idx);
+ if ((err = snd_ctl_open(&handle, str, 0)) < 0) {
printf("Open error: %s\n", snd_strerror(err));
continue;
}
- if ((err = snd_ctl_card_info(handle, &info)) < 0) {
+ if ((err = snd_ctl_card_info(handle, info)) < 0) {
printf("HW info error: %s\n", snd_strerror(err));
continue;
}
printf("Soundcard #%i:\n", idx + 1);
- printf(" type - %i\n", info.type);
- printf(" pcm devs - %i\n", info.pcmdevs);
- printf(" mixer devs - %i\n", info.mixerdevs);
- printf(" midi devs - %i\n", info.mididevs);
- memset(str, 0, sizeof(str));
- strncpy(str, info.id, sizeof(info.id));
- printf(" id - '%s'\n", str);
- printf(" abbreviation - '%s'\n", info.abbreviation);
- printf(" name - '%s'\n", info.name);
- printf(" longname - '%s'\n", info.longname);
- for (idx1 = 0; idx1 < info.pcmdevs; idx1++) {
- printf("PCM info, device #%i:\n", idx1);
- if ((err = snd_ctl_pcm_info(handle, idx1, &pcminfo)) < 0) {
+ printf(" card - %i\n", snd_ctl_card_info_get_card(info));
+ printf(" id - '%s'\n", snd_ctl_card_info_get_id(info));
+ printf(" driver - '%s'\n", snd_ctl_card_info_get_driver(info));
+ printf(" name - '%s'\n", snd_ctl_card_info_get_name(info));
+ printf(" longname - '%s'\n", snd_ctl_card_info_get_longname(info));
+ printf(" mixername - '%s'\n", snd_ctl_card_info_get_mixername(info));
+ printf(" components - '%s'\n", snd_ctl_card_info_get_components(info));
+ dev = -1;
+ while (1) {
+ snd_pcm_sync_id_t sync;
+ if ((err = snd_ctl_pcm_next_device(handle, &dev)) < 0) {
+ printf(" PCM next device error: %s\n", snd_strerror(err));
+ break;
+ }
+ if (dev < 0)
+ break;
+ snd_pcm_info_set_device(pcminfo, dev);
+ snd_pcm_info_set_subdevice(pcminfo, 0);
+ snd_pcm_info_set_stream(pcminfo, SND_PCM_STREAM_PLAYBACK);
+ if ((err = snd_ctl_pcm_info(handle, pcminfo)) < 0) {
printf(" PCM info error: %s\n", snd_strerror(err));
continue;
}
- printf(" type - %i\n", pcminfo.type);
- printf(" flags - 0x%x\n", pcminfo.flags);
- printf(" id - '%s'\n", pcminfo.id);
- printf(" name - '%s'\n", pcminfo.name);
- printf(" playback - %i\n", pcminfo.playback);
- printf(" capture - %i\n", pcminfo.capture);
+ printf("PCM info, device #%i:\n", dev);
+ printf(" device - %i\n", snd_pcm_info_get_device(pcminfo));
+ printf(" subdevice - %i\n", snd_pcm_info_get_subdevice(pcminfo));
+ printf(" stream - %i\n", snd_pcm_info_get_stream(pcminfo));
+ printf(" card - %i\n", snd_pcm_info_get_card(pcminfo));
+ printf(" id - '%s'\n", snd_pcm_info_get_id(pcminfo));
+ printf(" name - '%s'\n", snd_pcm_info_get_name(pcminfo));
+ printf(" subdevice name - '%s'\n", snd_pcm_info_get_subdevice_name(pcminfo));
+ printf(" class - 0x%x\n", snd_pcm_info_get_class(pcminfo));
+ printf(" subclass - 0x%x\n", snd_pcm_info_get_subclass(pcminfo));
+ printf(" subdevices count - %i\n", snd_pcm_info_get_subdevices_count(pcminfo));
+ printf(" subdevices avail - %i\n", snd_pcm_info_get_subdevices_avail(pcminfo));
+ sync = snd_pcm_info_get_sync(pcminfo);
+ printf(" sync - 0x%x,0x%x,0x%x,0x%x\n", sync.id32[0], sync.id32[1], sync.id32[2], sync.id32[3]);
}
- for (idx1 = 0; idx1 < info.mixerdevs; idx1++) {
- printf("MIXER info, device #%i:\n", idx1);
- if ((err = snd_ctl_mixer_info(handle, idx1, &mixerinfo)) < 0) {
- printf(" MIXER info error: %s\n", snd_strerror(err));
- continue;
+ dev = -1;
+ while (1) {
+ if ((err = snd_ctl_rawmidi_next_device(handle, &dev)) < 0) {
+ printf(" RAWMIDI next device error: %s\n", snd_strerror(err));
+ break;
}
- printf(" type - %i\n", mixerinfo.type);
- printf(" elements - %i\n", mixerinfo.elements);
- printf(" groups - %i\n", mixerinfo.groups);
- printf(" attrib - 0x%x\n", mixerinfo.attrib);
- printf(" id - '%s'\n", mixerinfo.id);
- printf(" name - '%s'\n", mixerinfo.name);
- }
- for (idx1 = 0; idx1 < info.mididevs; idx1++) {
- printf("RAWMIDI info, device #%i:\n", idx1);
- if ((err = snd_ctl_rawmidi_info(handle, idx1, &rawmidiinfo)) < 0) {
- printf(" MIXER info error: %s\n", snd_strerror(err));
+ if (dev < 0)
+ break;
+ snd_rawmidi_info_set_device(rawmidiinfo, dev);
+ snd_rawmidi_info_set_subdevice(rawmidiinfo, 0);
+ snd_rawmidi_info_set_stream(rawmidiinfo, SND_RAWMIDI_STREAM_OUTPUT);
+ if ((err = snd_ctl_rawmidi_info(handle, rawmidiinfo)) < 0) {
+ printf(" RAWMIDI info error: %s\n", snd_strerror(err));
continue;
}
- printf(" type - %i\n", rawmidiinfo.type);
- printf(" flags - 0x%x\n", rawmidiinfo.flags);
- printf(" id - '%s'\n", rawmidiinfo.id);
- printf(" name - '%s'\n", rawmidiinfo.name);
+ printf("RAWMIDI info, device #%i:\n", dev);
+ printf(" device - %i\n", snd_rawmidi_info_get_device(rawmidiinfo));
+ printf(" subdevice - %i\n", snd_rawmidi_info_get_subdevice(rawmidiinfo));
+ printf(" stream - %i\n", snd_rawmidi_info_get_stream(rawmidiinfo));
+ printf(" card - %i\n", snd_rawmidi_info_get_card(rawmidiinfo));
+ printf(" flags - 0x%x\n", snd_rawmidi_info_get_flags(rawmidiinfo));
+ printf(" id - '%s'\n", snd_rawmidi_info_get_id(rawmidiinfo));
+ printf(" name - '%s'\n", snd_rawmidi_info_get_name(rawmidiinfo));
+ printf(" subname - '%s'\n", snd_rawmidi_info_get_subdevice_name(rawmidiinfo));
+ printf(" subdevices count - %i\n", snd_rawmidi_info_get_subdevices_count(rawmidiinfo));
+ printf(" subdevices avail - %i\n", snd_rawmidi_info_get_subdevices_avail(rawmidiinfo));
}
snd_ctl_close(handle);
}
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