output/osx: make more AudioObjectPropertyAddress instances static constexpr
This commit is contained in:
Max Kellermann
parent
a30d5e1b6a
commit
5eedda691a
@ -160,25 +160,28 @@ AudioOutput *
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OSXOutput::Create(EventLoop &, const ConfigBlock &block)
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{
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OSXOutput *oo = new OSXOutput(block);
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AudioObjectPropertyAddress aopa;
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AudioDeviceID dev_id = kAudioDeviceUnknown;
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UInt32 dev_id_size = sizeof(dev_id);
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if (oo->component_subtype == kAudioUnitSubType_SystemOutput)
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static constexpr AudioObjectPropertyAddress default_system_output_device{
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kAudioHardwarePropertyDefaultSystemOutputDevice,
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kAudioObjectPropertyScopeOutput,
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kAudioObjectPropertyElementMaster,
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};
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static constexpr AudioObjectPropertyAddress default_output_device{
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kAudioHardwarePropertyDefaultOutputDevice,
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kAudioObjectPropertyScopeOutput,
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kAudioObjectPropertyElementMaster
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};
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const auto &aopa =
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oo->component_subtype == kAudioUnitSubType_SystemOutput
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// get system output dev_id if configured
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aopa = {
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kAudioHardwarePropertyDefaultSystemOutputDevice,
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kAudioObjectPropertyScopeOutput,
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kAudioObjectPropertyElementMaster
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};
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else
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? default_system_output_device
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/* fallback to default device initially (can still be
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changed by osx_output_set_device) */
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aopa = {
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kAudioHardwarePropertyDefaultOutputDevice,
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kAudioObjectPropertyScopeOutput,
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kAudioObjectPropertyElementMaster
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};
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: default_output_device;
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AudioObjectGetPropertyData(kAudioObjectSystemObject,
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&aopa,
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@ -386,14 +389,34 @@ static Float64
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osx_output_set_device_format(AudioDeviceID dev_id,
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const AudioStreamBasicDescription &target_format)
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{
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AudioObjectPropertyAddress aopa = {
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static constexpr AudioObjectPropertyAddress aopa_device_streams = {
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kAudioDevicePropertyStreams,
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kAudioObjectPropertyScopeOutput,
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kAudioObjectPropertyElementMaster
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};
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static constexpr AudioObjectPropertyAddress aopa_stream_direction = {
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kAudioStreamPropertyDirection,
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kAudioObjectPropertyScopeOutput,
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kAudioObjectPropertyElementMaster
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};
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static constexpr AudioObjectPropertyAddress aopa_stream_phys_formats = {
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kAudioStreamPropertyAvailablePhysicalFormats,
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kAudioObjectPropertyScopeOutput,
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kAudioObjectPropertyElementMaster
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};
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static constexpr AudioObjectPropertyAddress aopa_stream_phys_format = {
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kAudioStreamPropertyPhysicalFormat,
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kAudioObjectPropertyScopeOutput,
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kAudioObjectPropertyElementMaster
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};
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UInt32 property_size;
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OSStatus err = AudioObjectGetPropertyDataSize(dev_id, &aopa, 0, NULL, &property_size);
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OSStatus err = AudioObjectGetPropertyDataSize(dev_id,
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&aopa_device_streams,
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0, NULL, &property_size);
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if (err != noErr)
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throw FormatRuntimeError("Cannot get number of streams: %d\n", err);
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@ -403,7 +426,8 @@ osx_output_set_device_format(AudioDeviceID dev_id,
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throw std::runtime_error("Too many streams");
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AudioStreamID streams[MAX_STREAMS];
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err = AudioObjectGetPropertyData(dev_id, &aopa, 0, NULL, &property_size, streams);
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err = AudioObjectGetPropertyData(dev_id, &aopa_device_streams, 0, NULL,
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&property_size, streams);
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if (err != noErr)
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throw FormatRuntimeError("Cannot get streams: %d\n", err);
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@ -414,10 +438,9 @@ osx_output_set_device_format(AudioDeviceID dev_id,
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for (size_t i = 0; i < n_streams; i++) {
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UInt32 direction;
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AudioStreamID stream = streams[i];
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aopa.mSelector = kAudioStreamPropertyDirection;
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property_size = sizeof(direction);
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err = AudioObjectGetPropertyData(stream,
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&aopa,
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&aopa_stream_direction,
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0,
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NULL,
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&property_size,
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@ -429,9 +452,9 @@ osx_output_set_device_format(AudioDeviceID dev_id,
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if (direction != 0)
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continue;
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aopa.mSelector = kAudioStreamPropertyAvailablePhysicalFormats;
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err = AudioObjectGetPropertyDataSize(stream, &aopa, 0, NULL,
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&property_size);
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err = AudioObjectGetPropertyDataSize(stream,
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&aopa_stream_phys_formats,
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0, NULL, &property_size);
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if (err != noErr)
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throw FormatRuntimeError("Unable to get format size s for stream %d. Error = %s",
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streams[i], err);
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@ -442,7 +465,10 @@ osx_output_set_device_format(AudioDeviceID dev_id,
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throw std::runtime_error("Too many formats");
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AudioStreamRangedDescription format_list[MAX_FORMATS];
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err = AudioObjectGetPropertyData(stream, &aopa, 0, NULL, &property_size, format_list);
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err = AudioObjectGetPropertyData(stream,
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&aopa_stream_phys_formats,
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0, NULL,
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&property_size, format_list);
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if (err != noErr)
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throw FormatRuntimeError("Unable to get available formats for stream %d. Error = %s",
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streams[i], err);
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@ -474,9 +500,8 @@ osx_output_set_device_format(AudioDeviceID dev_id,
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}
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if (format_found) {
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aopa.mSelector = kAudioStreamPropertyPhysicalFormat;
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err = AudioObjectSetPropertyData(output_stream,
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&aopa,
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&aopa_stream_phys_format,
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0,
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NULL,
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sizeof(output_format),
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@ -604,7 +629,6 @@ osx_output_set_device(OSXOutput *oo)
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{
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OSStatus status;
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UInt32 size, numdevices;
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AudioObjectPropertyAddress propaddr;
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CFStringRef cfname = nullptr;
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char errormsg[1024];
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char name[256];
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@ -619,11 +643,14 @@ osx_output_set_device(OSXOutput *oo)
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return;
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/* how many audio devices are there? */
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propaddr = { kAudioHardwarePropertyDevices,
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kAudioObjectPropertyScopeGlobal,
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kAudioObjectPropertyElementMaster };
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static constexpr AudioObjectPropertyAddress aopa_hw_devices{
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kAudioHardwarePropertyDevices,
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kAudioObjectPropertyScopeGlobal,
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kAudioObjectPropertyElementMaster,
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};
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status = AudioObjectGetPropertyDataSize(kAudioObjectSystemObject,
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&propaddr, 0, nullptr, &size);
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&aopa_hw_devices, 0, nullptr, &size);
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if (status != noErr) {
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osx_os_status_to_cstring(status, errormsg, sizeof(errormsg));
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throw FormatRuntimeError("Unable to determine number of OS X audio devices: %s",
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@ -634,7 +661,7 @@ osx_output_set_device(OSXOutput *oo)
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numdevices = size / sizeof(AudioDeviceID);
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std::unique_ptr<AudioDeviceID[]> deviceids(new AudioDeviceID[numdevices]);
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status = AudioObjectGetPropertyData(kAudioObjectSystemObject,
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&propaddr, 0, nullptr,
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&aopa_hw_devices, 0, nullptr,
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&size, deviceids.get());
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if (status != noErr) {
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osx_os_status_to_cstring(status, errormsg, sizeof(errormsg));
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@ -643,12 +670,15 @@ osx_output_set_device(OSXOutput *oo)
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}
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/* which audio device matches oo->device_name? */
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propaddr = { kAudioObjectPropertyName,
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kAudioObjectPropertyScopeGlobal,
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kAudioObjectPropertyElementMaster };
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static constexpr AudioObjectPropertyAddress aopa_name{
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kAudioObjectPropertyName,
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kAudioObjectPropertyScopeGlobal,
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kAudioObjectPropertyElementMaster,
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};
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size = sizeof(CFStringRef);
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for (i = 0; i < numdevices; i++) {
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status = AudioObjectGetPropertyData(deviceids[i], &propaddr,
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status = AudioObjectGetPropertyData(deviceids[i], &aopa_name,
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0, nullptr,
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&size, &cfname);
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if (status != noErr) {
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