/* This is called when PulseAudio adds an output ("sink") device. */
static void
SinkInfoCallback(pa_context *c, const pa_sink_info *i, int is_last, void *data)
{
if (i) {
SDL_AddAudioDevice(SDL_FALSE, i->description, (void *) ((size_t) i->index+1));
}
}
static void
XAUDIO2_DetectDevices(void)
{
IXAudio2 *ixa2 = NULL;
UINT32 devcount = 0;
UINT32 i = 0;
if (XAudio2Create(&ixa2, 0, XAUDIO2_DEFAULT_PROCESSOR) != S_OK) {
SDL_SetError("XAudio2: XAudio2Create() failed at detection.");
return;
} else if (IXAudio2_GetDeviceCount(ixa2, &devcount) != S_OK) {
SDL_SetError("XAudio2: IXAudio2::GetDeviceCount() failed.");
IXAudio2_Release(ixa2);
return;
}
for (i = 0; i < devcount; i++) {
XAUDIO2_DEVICE_DETAILS details;
if (IXAudio2_GetDeviceDetails(ixa2, i, &details) == S_OK) {
char *str = WIN_StringToUTF8(details.DisplayName);
if (str != NULL) {
SDL_AddAudioDevice(SDL_FALSE, str, (void *) ((size_t) i+1));
SDL_free(str); /* SDL_AddAudioDevice made a copy of the string. */
}
}
}
IXAudio2_Release(ixa2);
}
static void
addToDevList(const char *name, const int iscapture, AudioDeviceID devId, void *data)
{
if (add_to_internal_dev_list(iscapture, devId)) {
SDL_AddAudioDevice(iscapture, name, (void *) ((size_t) devId));
}
}
/* This is called when PulseAudio adds a capture ("source") device. */
static void
SourceInfoCallback(pa_context *c, const pa_source_info *i, int is_last, void *data)
{
if (i) {
/* Skip "monitor" sources. These are just output from other sinks. */
if (i->monitor_of_sink == PA_INVALID_INDEX) {
SDL_AddAudioDevice(SDL_TRUE, i->description, (void *) ((size_t) i->index+1));
}
}
}
static void
build_device_change_list(const char *name, const int iscapture, AudioDeviceID devId, void *data)
{
AudioDeviceList **list = (AudioDeviceList **) data;
AudioDeviceList *item;
for (item = *list; item != NULL; item = item->next) {
if (item->devid == devId) {
item->alive = SDL_TRUE;
return;
}
}
add_to_internal_dev_list(iscapture, devId); /* new device, add it. */
SDL_AddAudioDevice(iscapture, name, (void *) ((size_t) devId));
}
static BOOL CALLBACK
FindAllDevs(LPGUID guid, LPCWSTR desc, LPCWSTR module, LPVOID data)
{
const int iscapture = (int) ((size_t) data);
if (guid != NULL) { /* skip default device */
char *str = WIN_LookupAudioDeviceName(desc, guid);
if (str != NULL) {
LPGUID cpyguid = (LPGUID) SDL_malloc(sizeof (GUID));
SDL_memcpy(cpyguid, guid, sizeof (GUID));
SDL_AddAudioDevice(iscapture, str, cpyguid);
SDL_free(str); /* addfn() makes a copy of this string. */
}
}
return TRUE; /* keep enumerating. */
}
static void
QSA_DetectDevices(void)
{
uint32_t it;
uint32_t cards;
uint32_t devices;
int32_t status;
/* Detect amount of available devices */
/* this value can be changed in the runtime */
cards = snd_cards();
/* If io-audio manager is not running we will get 0 as number */
/* of available audio devices */
if (cards == 0) {
/* We have no any available audio devices */
return;
}
/* !!! FIXME: code duplication */
/* Find requested devices by type */
{ /* output devices */
/* Playback devices enumeration requested */
for (it = 0; it < cards; it++) {
devices = 0;
do {
status =
snd_card_get_longname(it,
qsa_playback_device
[qsa_playback_devices].name,
QSA_MAX_NAME_LENGTH);
if (status == EOK) {
snd_pcm_t *handle;
/* Add device number to device name */
sprintf(qsa_playback_device[qsa_playback_devices].name +
SDL_strlen(qsa_playback_device
[qsa_playback_devices].name), " d%d",
devices);
/* Store associated card number id */
qsa_playback_device[qsa_playback_devices].cardno = it;
/* Check if this device id could play anything */
status =
snd_pcm_open(&handle, it, devices,
SND_PCM_OPEN_PLAYBACK);
if (status == EOK) {
qsa_playback_device[qsa_playback_devices].deviceno =
devices;
status = snd_pcm_close(handle);
if (status == EOK) {
SDL_AddAudioDevice(SDL_FALSE, qsa_playback_device[qsa_playback_devices].name, &qsa_playback_device[qsa_playback_devices]);
qsa_playback_devices++;
}
} else {
/* Check if we got end of devices list */
if (status == -ENOENT) {
break;
}
}
} else {
break;
}
/* Check if we reached maximum devices count */
if (qsa_playback_devices >= QSA_MAX_DEVICES) {
break;
}
devices++;
} while (1);
/* Check if we reached maximum devices count */
if (qsa_playback_devices >= QSA_MAX_DEVICES) {
break;
}
}
}
{ /* capture devices */
/* Capture devices enumeration requested */
for (it = 0; it < cards; it++) {
devices = 0;
do {
status =
snd_card_get_longname(it,
qsa_capture_device
[qsa_capture_devices].name,
QSA_MAX_NAME_LENGTH);
if (status == EOK) {
snd_pcm_t *handle;
/* Add device number to device name */
sprintf(qsa_capture_device[qsa_capture_devices].name +
SDL_strlen(qsa_capture_device
[qsa_capture_devices].name), " d%d",
devices);
/* Store associated card number id */
qsa_capture_device[qsa_capture_devices].cardno = it;
/* Check if this device id could play anything */
status =
snd_pcm_open(&handle, it, devices,
SND_PCM_OPEN_CAPTURE);
if (status == EOK) {
qsa_capture_device[qsa_capture_devices].deviceno =
devices;
status = snd_pcm_close(handle);
if (status == EOK) {
SDL_AddAudioDevice(SDL_TRUE, qsa_capture_device[qsa_capture_devices].name, &qsa_capture_device[qsa_capture_devices]);
qsa_capture_devices++;
}
} else {
/* Check if we got end of devices list */
if (status == -ENOENT) {
break;
}
}
/* Check if we reached maximum devices count */
if (qsa_capture_devices >= QSA_MAX_DEVICES) {
break;
}
} else {
break;
}
devices++;
} while (1);
/* Check if we reached maximum devices count */
if (qsa_capture_devices >= QSA_MAX_DEVICES) {
break;
}
}
}
}
