char *mus_midi_describe(void)
{
int i, err;
snd_rawmidi_t *line;
snd_rawmidi_info_t *info;
char *buf = NULL;
char one[256];
snd_rawmidi_info_malloc(&info);
buf = (char *)CALLOC(1024, sizeof(char));
for (i = 0; i < 8; i++)
{
/* presumably this should use the card|device from the info struct, not a blind loop */
err = snd_rawmidi_open(&line, NULL, mus_midi_device_name(i << 16), SND_RAWMIDI_NONBLOCK); /* do the "devices" matter here? */
if (err < 0) continue;
err = snd_rawmidi_info(line, info);
if (err < 0) break;
sprintf(one, "%s: card: %d, device: %d, stream: %d, flags: %x, id: %s, name: %s[%s; %d]\n",
mus_midi_device_name(i << 16),
snd_rawmidi_info_get_card(info), /* card number */
snd_rawmidi_info_get_device(info), /* device number */
snd_rawmidi_info_get_stream(info), /* snd_rawmidi_stream_t */
snd_rawmidi_info_get_flags(info), /* 1=out 2=in 4=dupex */
snd_rawmidi_info_get_id(info), /* hardware id (out in?) */
snd_rawmidi_info_get_name(info),
snd_rawmidi_info_get_subdevice_name(info),
snd_rawmidi_info_get_subdevices_count(info));
strcat(buf, one);
}
snd_rawmidi_info_free(info);
return(buf);
}
static
void alsa_get_id(alsa_id_t *id, snd_rawmidi_info_t *info)
{
id->id[0] = snd_rawmidi_info_get_card(info);
id->id[1] = snd_rawmidi_info_get_device(info);
id->id[2] = snd_rawmidi_info_get_stream(info) == SND_RAWMIDI_STREAM_OUTPUT ? 1 : 0;
id->id[3] = snd_rawmidi_info_get_subdevice(info);
}
