static PyObject *
pyalsacontrol_cardinfo(struct pyalsacontrol *self, PyObject *args)
{
snd_ctl_card_info_t *info;
PyObject *d;
snd_ctl_card_info_alloca(&info);
int err = snd_ctl_card_info(self->handle, info);
if (err < 0) {
PyErr_Format(PyExc_IOError,
"Control card info error: %s", strerror(-err));
return NULL;
}
d = PyDict_New();
if (d) {
PyDict_SetItem(d, PyString_FromString("card"), PyInt_FromLong(snd_ctl_card_info_get_card(info)));
PyDict_SetItem(d, PyString_FromString("id"), PyString_FromString(snd_ctl_card_info_get_id(info)));
PyDict_SetItem(d, PyString_FromString("driver"), PyString_FromString(snd_ctl_card_info_get_driver(info)));
PyDict_SetItem(d, PyString_FromString("name"), PyString_FromString(snd_ctl_card_info_get_driver(info)));
PyDict_SetItem(d, PyString_FromString("longname"), PyString_FromString(snd_ctl_card_info_get_longname(info)));
PyDict_SetItem(d, PyString_FromString("mixername"), PyString_FromString(snd_ctl_card_info_get_mixername(info)));
PyDict_SetItem(d, PyString_FromString("components"), PyString_FromString(snd_ctl_card_info_get_components(info)));
}
return d;
}
INT32 PORT_GetPortMixerDescription(INT32 mixerIndex, PortMixerDescription* description) {
snd_ctl_t* handle;
snd_ctl_card_info_t* card_info;
char devname[16];
int err;
char buffer[100];
TRACE0("> PORT_GetPortMixerDescription\n");
snd_ctl_card_info_malloc(&card_info);
sprintf(devname, ALSA_HARDWARE_CARD, (int) mixerIndex);
TRACE1("Opening alsa device \"%s\"...\n", devname);
err = snd_ctl_open(&handle, devname, 0);
if (err < 0) {
ERROR2("ERROR: snd_ctl_open, card=%d: %s\n", (int) mixerIndex, snd_strerror(err));
return FALSE;
}
err = snd_ctl_card_info(handle, card_info);
if (err < 0) {
ERROR2("ERROR: snd_ctl_card_info, card=%d: %s\n", (int) mixerIndex, snd_strerror(err));
}
strncpy(description->name, snd_ctl_card_info_get_id(card_info), PORT_STRING_LENGTH - 1);
sprintf(buffer, " [%s]", devname);
strncat(description->name, buffer, PORT_STRING_LENGTH - 1 - strlen(description->name));
strncpy(description->vendor, "ALSA (http://www.alsa-project.org)", PORT_STRING_LENGTH - 1);
strncpy(description->description, snd_ctl_card_info_get_name(card_info), PORT_STRING_LENGTH - 1);
strncat(description->description, ", ", PORT_STRING_LENGTH - 1 - strlen(description->description));
strncat(description->description, snd_ctl_card_info_get_mixername(card_info), PORT_STRING_LENGTH - 1 - strlen(description->description));
getALSAVersion(description->version, PORT_STRING_LENGTH - 1);
snd_ctl_close(handle);
snd_ctl_card_info_free(card_info);
TRACE0("< PORT_GetPortMixerDescription\n");
return TRUE;
}
static int findSoundCards(char **cardname)
{
int idx, dev, err;
snd_ctl_t *handle;
snd_hctl_t *hctlhandle;
snd_ctl_card_info_t *cardinfo;
snd_pcm_info_t *pcminfo;
char str[32];
snd_ctl_card_info_alloca(&cardinfo);
snd_pcm_info_alloca(&pcminfo);
snd_hctl_elem_t *elem;
snd_ctl_elem_id_t *id;
snd_ctl_elem_info_t *info;
snd_ctl_elem_id_alloca(&id);
snd_ctl_elem_info_alloca(&info);
idx = -1;
while (1) {
if ((err = snd_card_next(&idx)) < 0) {
LOGE("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) {
LOGE("Open error: %s\n", snd_strerror(err));
continue;
}
if ((err = snd_ctl_card_info(handle, cardinfo)) < 0) {
LOGE("HW info error: %s\n", snd_strerror(err));
continue;
}
LOGD("Soundcard #%i:\n", idx + 1);
LOGD(" card - %i\n", snd_ctl_card_info_get_card(cardinfo));
LOGD(" id - '%s'\n", snd_ctl_card_info_get_id(cardinfo));
LOGD(" driver - '%s'\n", snd_ctl_card_info_get_driver(cardinfo));
LOGD(" name - '%s'\n", snd_ctl_card_info_get_name(cardinfo));
LOGD(" longname - '%s'\n", snd_ctl_card_info_get_longname(cardinfo));
LOGD(" mixername - '%s'\n", snd_ctl_card_info_get_mixername(cardinfo));
LOGD(" components - '%s'\n", snd_ctl_card_info_get_components(cardinfo));
strcpy(cardname[idx], snd_ctl_card_info_get_name(cardinfo));
LOGD("\n\n-----get cart name and id: %s : %d",cardname[idx],idx);
snd_ctl_close(handle);
if ((err = snd_hctl_open(&hctlhandle, str, 0)) < 0) {
LOGE("Control %s open error: %s", str, snd_strerror(err));
return err;
}
if ((err = snd_hctl_load(hctlhandle)) < 0) {
LOGE("Control %s local error: %s\n", str, snd_strerror(err));
return err;
}
for (elem = snd_hctl_first_elem(hctlhandle); elem; elem = snd_hctl_elem_next(elem)) {
if ((err = snd_hctl_elem_info(elem, info)) < 0) {
LOGE("Control %s snd_hctl_elem_info error: %s\n", str, snd_strerror(err));
return err;
}
snd_hctl_elem_get_id(elem, id);
show_control_id(id);
}
snd_hctl_close(hctlhandle);
}
snd_config_update_free_global();
return 0;
}
