#include #include #include "../include/asoundlib.h" void main(void) { int idx, idx1, cards, err; void *handle; struct snd_ctl_hw_info info; snd_pcm_info_t pcminfo; snd_mixer_info_t mixerinfo; char str[128]; cards = snd_cards(); printf("Detected %i soundcard%s...\n", cards, cards > 1 ? "s" : ""); if (cards <= 0) { printf("Giving up...\n"); return; } for (idx = 0; idx < cards; idx++) { if ((err = snd_ctl_open(&handle, idx)) < 0) { printf("Open error: %s\n", snd_strerror(err)); continue; } if ((err = snd_ctl_hw_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(" gcaps - 0x%x\n", info.gcaps); printf(" lcaps - 0x%x\n", info.lcaps); printf(" pcm devs - 0x%x\n", info.pcmdevs); printf(" mixer devs - 0x%x\n", info.mixerdevs); printf(" midi devs - 0x%x\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(" 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); } 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; } printf(" type - %i\n", mixerinfo.type); printf(" channels - %i\n", mixerinfo.channels); printf(" caps - 0x%x\n", mixerinfo.caps); printf(" id - '%s'\n", mixerinfo.id); printf(" name - '%s'\n", mixerinfo.name); } snd_ctl_close(handle); } }