Pa_Terminate();
}
- for (std::map<int, paDevice*>::const_iterator i = _devices.begin (); i != _devices.end(); ++i) {
- delete i->second;
- }
- _devices.clear();
+ clear_device_lists ();
free (_input_buffer); _input_buffer = NULL;
free (_output_buffer); _output_buffer = NULL;
// TODO use separate int device_input, int device_output ?!
if (device_id == -1) {
- device_id = Pa_GetDefaultInputDevice();
+ device_id = get_default_input_device ();
}
#ifndef NDEBUG
printf("PortAudio: Querying Samplerates for device %d\n", device_id);
}
void
-PortAudioIO::device_list (std::map<int, std::string> &devices) const {
- devices.clear();
- for (std::map<int, paDevice*>::const_iterator i = _devices.begin (); i != _devices.end(); ++i) {
- devices.insert (std::pair<int, std::string> (i->first, Glib::locale_to_utf8(i->second->name)));
+PortAudioIO::input_device_list(std::map<int, std::string> &devices) const
+{
+ for (std::map<int, paDevice*>::const_iterator i = _input_devices.begin ();
+ i != _input_devices.end ();
+ ++i) {
+ devices.insert (std::pair<int, std::string>(i->first, Glib::locale_to_utf8(i->second->name)));
}
}
void
-PortAudioIO::discover()
+PortAudioIO::output_device_list(std::map<int, std::string> &devices) const
{
- for (std::map<int, paDevice*>::const_iterator i = _devices.begin (); i != _devices.end(); ++i) {
- delete i->second;
+ for (std::map<int, paDevice*>::const_iterator i = _output_devices.begin ();
+ i != _output_devices.end ();
+ ++i) {
+ devices.insert (std::pair<int, std::string>(i->first, Glib::locale_to_utf8(i->second->name)));
}
- _devices.clear();
-
+}
+
+bool
+PortAudioIO::initialize_pa ()
+{
PaError err = paNoError;
if (!_initialized) {
err = Pa_Initialize();
+ if (err != paNoError) {
+ return false;
+ }
+ _initialized = true;
}
- if (err != paNoError) {
- return;
+
+ return true;
+}
+
+void
+PortAudioIO::host_api_list (std::vector<std::string>& api_list)
+{
+ if (!initialize_pa()) return;
+
+ PaHostApiIndex count = Pa_GetHostApiCount();
+
+ if (count < 0) return;
+
+ for (int i = 0; i < count; ++i) {
+ const PaHostApiInfo* info = Pa_GetHostApiInfo (i);
+ if (info->name != NULL) { // possible?
+ api_list.push_back (info->name);
+ }
}
+}
- _initialized = true;
+void
+PortAudioIO::set_host_api (const std::string& host_api_name)
+{
+ _host_api_index = get_host_api_index_from_name (host_api_name);
- {
- const PaDeviceInfo* nfo_i = Pa_GetDeviceInfo(Pa_GetDefaultInputDevice());
- const PaDeviceInfo* nfo_o = Pa_GetDeviceInfo(Pa_GetDefaultOutputDevice());
- if (nfo_i && nfo_o) {
- _devices.insert (std::pair<int, paDevice*> (-1,
- new paDevice("Default",
- nfo_i->maxInputChannels,
- nfo_o->maxOutputChannels
- )));
+ if (_host_api_index < 0) {
+ fprintf(stderr, "Error setting host API\n");
+ }
+}
+
+PaHostApiIndex
+PortAudioIO::get_host_api_index_from_name (const std::string& name)
+{
+ if (!initialize_pa()) return -1;
+
+ PaHostApiIndex count = Pa_GetHostApiCount();
+
+ if (count < 0) return -1;
+
+ for (int i = 0; i < count; ++i) {
+ const PaHostApiInfo* info = Pa_GetHostApiInfo (i);
+ if (info->name != NULL) { // possible?
+ if (name == info->name) return i;
}
}
+ return -1;
+}
+
+PaDeviceIndex
+PortAudioIO::get_default_input_device ()
+{
+ const PaHostApiInfo* info = Pa_GetHostApiInfo (_host_api_index);
+ if (info == NULL) return -1;
+ return info->defaultInputDevice;
+}
+
+PaDeviceIndex
+PortAudioIO::get_default_output_device ()
+{
+ const PaHostApiInfo* info = Pa_GetHostApiInfo (_host_api_index);
+ if (info == NULL) return -1;
+ return info->defaultOutputDevice;
+}
+
+void
+PortAudioIO::clear_device_lists ()
+{
+ for (std::map<int, paDevice*>::const_iterator i = _input_devices.begin (); i != _input_devices.end(); ++i) {
+ delete i->second;
+ }
+ _input_devices.clear();
+
+ for (std::map<int, paDevice*>::const_iterator i = _output_devices.begin (); i != _output_devices.end(); ++i) {
+ delete i->second;
+ }
+ _output_devices.clear();
+}
+
+void
+PortAudioIO::add_default_devices ()
+{
+ const PaHostApiInfo* info = Pa_GetHostApiInfo (_host_api_index);
+ if (info == NULL) return;
+
+ const PaDeviceInfo* nfo_i = Pa_GetDeviceInfo(get_default_input_device());
+ const PaDeviceInfo* nfo_o = Pa_GetDeviceInfo(get_default_output_device());
+ if (nfo_i && nfo_o) {
+ _input_devices.insert (std::pair<int, paDevice*> (-1,
+ new paDevice("Default",
+ nfo_i->maxInputChannels,
+ nfo_o->maxOutputChannels
+ )));
+ _output_devices.insert (std::pair<int, paDevice*> (-1,
+ new paDevice("Default",
+ nfo_i->maxInputChannels,
+ nfo_o->maxOutputChannels
+ )));
+ }
+}
+
+void
+PortAudioIO::add_devices ()
+{
+ const PaHostApiInfo* info = Pa_GetHostApiInfo (_host_api_index);
+ if (info == NULL) return;
int n_devices = Pa_GetDeviceCount();
#ifndef NDEBUG
for (int i = 0 ; i < n_devices; ++i) {
const PaDeviceInfo* nfo = Pa_GetDeviceInfo(i);
+
if (!nfo) continue;
+ if (nfo->hostApi != _host_api_index) continue;
#ifndef NDEBUG
- printf(" (%d) '%s' in: %d (lat: %.1f .. %.1f) out: %d (lat: %.1f .. %.1f) sr:%.2f\n",
- i, nfo->name,
+ printf(" (%d) '%s' '%s' in: %d (lat: %.1f .. %.1f) out: %d (lat: %.1f .. %.1f) sr:%.2f\n",
+ i, info->name, nfo->name,
nfo->maxInputChannels,
nfo->defaultLowInputLatency * 1e3,
nfo->defaultHighInputLatency * 1e3,
if ( nfo->maxInputChannels == 0 && nfo->maxOutputChannels == 0) {
continue;
}
- _devices.insert (std::pair<int, paDevice*> (i, new paDevice(
- nfo->name,
- nfo->maxInputChannels,
- nfo->maxOutputChannels
- )));
+
+ if (nfo->maxInputChannels > 0) {
+ _input_devices.insert (std::pair<int, paDevice*> (i, new paDevice(
+ nfo->name,
+ nfo->maxInputChannels,
+ nfo->maxOutputChannels
+ )));
+ }
+ if (nfo->maxOutputChannels > 0) {
+ _output_devices.insert (std::pair<int, paDevice*> (i, new paDevice(
+ nfo->name,
+ nfo->maxInputChannels,
+ nfo->maxOutputChannels
+ )));
+ }
}
}
+void
+PortAudioIO::discover()
+{
+ if (!initialize_pa()) return;
+
+ clear_device_lists ();
+ add_default_devices ();
+ add_devices ();
+}
+
void
PortAudioIO::pcm_stop ()
{
const PaDeviceInfo *nfo_out;
const PaStreamInfo *nfo_s;
- if (!_initialized) {
- err = Pa_Initialize();
- }
- if (err != paNoError) {
+ if (!initialize_pa()) {
fprintf(stderr, "PortAudio Initialization Failed\n");
goto error;
}
- _initialized = true;
-
if (device_input == -1) {
- device_input = Pa_GetDefaultInputDevice();
+ device_input = get_default_input_device ();
}
if (device_output == -1) {
- device_output = Pa_GetDefaultOutputDevice();
+ device_output = get_default_output_device ();
}
_capture_channels = 0;
_playback_channels = 0;
free (_input_buffer); _input_buffer = NULL;
free (_output_buffer); _output_buffer = NULL;
- Pa_Terminate();
return -1;
}
projects / ardour.git / blobdiff