diff options
Diffstat (limited to 'drivers/wasapi/audio_driver_wasapi.cpp')
-rw-r--r-- | drivers/wasapi/audio_driver_wasapi.cpp | 241 |
1 files changed, 237 insertions, 4 deletions
diff --git a/drivers/wasapi/audio_driver_wasapi.cpp b/drivers/wasapi/audio_driver_wasapi.cpp index 4c80e70a95..e1680601ad 100644 --- a/drivers/wasapi/audio_driver_wasapi.cpp +++ b/drivers/wasapi/audio_driver_wasapi.cpp @@ -35,11 +35,94 @@ #include "os/os.h" #include "project_settings.h" +#include <functiondiscoverykeys.h> + +#ifndef PKEY_Device_FriendlyName + +#undef DEFINE_PROPERTYKEY +/* clang-format off */ +#define DEFINE_PROPERTYKEY(id, a, b, c, d, e, f, g, h, i, j, k, l) \ + const PROPERTYKEY id = { { a, b, c, { d, e, f, g, h, i, j, k, } }, l }; +/* clang-format on */ + +DEFINE_PROPERTYKEY(PKEY_Device_FriendlyName, 0xa45c254e, 0xdf1c, 0x4efd, 0x80, 0x20, 0x67, 0xd1, 0x46, 0xa8, 0x50, 0xe0, 14); +#endif + const CLSID CLSID_MMDeviceEnumerator = __uuidof(MMDeviceEnumerator); const IID IID_IMMDeviceEnumerator = __uuidof(IMMDeviceEnumerator); const IID IID_IAudioClient = __uuidof(IAudioClient); const IID IID_IAudioRenderClient = __uuidof(IAudioRenderClient); +static bool default_device_changed = false; + +class CMMNotificationClient : public IMMNotificationClient { + LONG _cRef; + IMMDeviceEnumerator *_pEnumerator; + +public: + CMMNotificationClient() : + _cRef(1), + _pEnumerator(NULL) {} + ~CMMNotificationClient() { + if ((_pEnumerator) != NULL) { + (_pEnumerator)->Release(); + (_pEnumerator) = NULL; + } + } + + ULONG STDMETHODCALLTYPE AddRef() { + return InterlockedIncrement(&_cRef); + } + + ULONG STDMETHODCALLTYPE Release() { + ULONG ulRef = InterlockedDecrement(&_cRef); + if (0 == ulRef) { + delete this; + } + return ulRef; + } + + HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, VOID **ppvInterface) { + if (IID_IUnknown == riid) { + AddRef(); + *ppvInterface = (IUnknown *)this; + } else if (__uuidof(IMMNotificationClient) == riid) { + AddRef(); + *ppvInterface = (IMMNotificationClient *)this; + } else { + *ppvInterface = NULL; + return E_NOINTERFACE; + } + return S_OK; + } + + HRESULT STDMETHODCALLTYPE OnDeviceAdded(LPCWSTR pwstrDeviceId) { + return S_OK; + }; + + HRESULT STDMETHODCALLTYPE OnDeviceRemoved(LPCWSTR pwstrDeviceId) { + return S_OK; + } + + HRESULT STDMETHODCALLTYPE OnDeviceStateChanged(LPCWSTR pwstrDeviceId, DWORD dwNewState) { + return S_OK; + } + + HRESULT STDMETHODCALLTYPE OnDefaultDeviceChanged(EDataFlow flow, ERole role, LPCWSTR pwstrDeviceId) { + if (flow == eRender && role == eConsole) { + default_device_changed = true; + } + + return S_OK; + } + + HRESULT STDMETHODCALLTYPE OnPropertyValueChanged(LPCWSTR pwstrDeviceId, const PROPERTYKEY key) { + return S_OK; + } +}; + +static CMMNotificationClient notif_client; + Error AudioDriverWASAPI::init_device(bool reinit) { WAVEFORMATEX *pwfex; @@ -51,10 +134,64 @@ Error AudioDriverWASAPI::init_device(bool reinit) { HRESULT hr = CoCreateInstance(CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL, IID_IMMDeviceEnumerator, (void **)&enumerator); ERR_FAIL_COND_V(hr != S_OK, ERR_CANT_OPEN); - hr = enumerator->GetDefaultAudioEndpoint(eRender, eConsole, &device); + if (device_name == "Default") { + hr = enumerator->GetDefaultAudioEndpoint(eRender, eConsole, &device); + } else { + IMMDeviceCollection *devices = NULL; + + hr = enumerator->EnumAudioEndpoints(eRender, DEVICE_STATE_ACTIVE, &devices); + ERR_FAIL_COND_V(hr != S_OK, ERR_CANT_OPEN); + + LPWSTR strId = NULL; + bool found = false; + + UINT count = 0; + hr = devices->GetCount(&count); + ERR_FAIL_COND_V(hr != S_OK, ERR_CANT_OPEN); + + for (ULONG i = 0; i < count && !found; i++) { + IMMDevice *device = NULL; + + hr = devices->Item(i, &device); + ERR_BREAK(hr != S_OK); + + IPropertyStore *props = NULL; + hr = device->OpenPropertyStore(STGM_READ, &props); + ERR_BREAK(hr != S_OK); + + PROPVARIANT propvar; + PropVariantInit(&propvar); + + hr = props->GetValue(PKEY_Device_FriendlyName, &propvar); + ERR_BREAK(hr != S_OK); + + if (device_name == String(propvar.pwszVal)) { + hr = device->GetId(&strId); + ERR_BREAK(hr != S_OK); + + found = true; + } + + PropVariantClear(&propvar); + props->Release(); + device->Release(); + } + + if (found) { + hr = enumerator->GetDevice(strId, &device); + } + + if (strId) { + CoTaskMemFree(strId); + } + + if (device == NULL) { + hr = enumerator->GetDefaultAudioEndpoint(eRender, eConsole, &device); + } + } if (reinit) { // In case we're trying to re-initialize the device prevent throwing this error on the console, - // otherwise if there is currently no devie available this will spam the console. + // otherwise if there is currently no device available this will spam the console. if (hr != S_OK) { return ERR_CANT_OPEN; } @@ -62,6 +199,11 @@ Error AudioDriverWASAPI::init_device(bool reinit) { ERR_FAIL_COND_V(hr != S_OK, ERR_CANT_OPEN); } + hr = enumerator->RegisterEndpointNotificationCallback(¬if_client); + if (hr != S_OK) { + ERR_PRINT("WASAPI: RegisterEndpointNotificationCallback error"); + } + hr = device->Activate(IID_IAudioClient, CLSCTX_ALL, NULL, (void **)&audio_client); if (reinit) { if (hr != S_OK) { @@ -76,7 +218,6 @@ Error AudioDriverWASAPI::init_device(bool reinit) { // Since we're using WASAPI Shared Mode we can't control any of these, we just tag along wasapi_channels = pwfex->nChannels; - mix_rate = pwfex->nSamplesPerSec; format_tag = pwfex->wFormatTag; bits_per_sample = pwfex->wBitsPerSample; @@ -112,7 +253,14 @@ Error AudioDriverWASAPI::init_device(bool reinit) { } } - hr = audio_client->Initialize(AUDCLNT_SHAREMODE_SHARED, AUDCLNT_STREAMFLAGS_EVENTCALLBACK, 0, 0, pwfex, NULL); + DWORD streamflags = AUDCLNT_STREAMFLAGS_EVENTCALLBACK; + if (mix_rate != pwfex->nSamplesPerSec) { + streamflags |= AUDCLNT_STREAMFLAGS_RATEADJUST; + pwfex->nSamplesPerSec = mix_rate; + pwfex->nAvgBytesPerSec = pwfex->nSamplesPerSec * pwfex->nChannels * (pwfex->wBitsPerSample / 8); + } + + hr = audio_client->Initialize(AUDCLNT_SHAREMODE_SHARED, streamflags, 0, 0, pwfex, NULL); ERR_FAIL_COND_V(hr != S_OK, ERR_CANT_OPEN); event = CreateEvent(NULL, FALSE, FALSE, NULL); @@ -150,6 +298,9 @@ Error AudioDriverWASAPI::finish_device() { audio_client->Stop(); active = false; } + + audio_client->Release(); + audio_client = NULL; } if (render_client) { @@ -167,6 +318,8 @@ Error AudioDriverWASAPI::finish_device() { Error AudioDriverWASAPI::init() { + mix_rate = GLOBAL_DEF("audio/mix_rate", DEFAULT_MIX_RATE); + Error err = init_device(); if (err != OK) { ERR_PRINT("WASAPI: init_device error"); @@ -208,6 +361,64 @@ AudioDriver::SpeakerMode AudioDriverWASAPI::get_speaker_mode() const { return get_speaker_mode_by_total_channels(channels); } +Array AudioDriverWASAPI::get_device_list() { + + Array list; + IMMDeviceCollection *devices = NULL; + IMMDeviceEnumerator *enumerator = NULL; + + list.push_back(String("Default")); + + CoInitialize(NULL); + + HRESULT hr = CoCreateInstance(CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL, IID_IMMDeviceEnumerator, (void **)&enumerator); + ERR_FAIL_COND_V(hr != S_OK, Array()); + + hr = enumerator->EnumAudioEndpoints(eRender, DEVICE_STATE_ACTIVE, &devices); + ERR_FAIL_COND_V(hr != S_OK, Array()); + + UINT count = 0; + hr = devices->GetCount(&count); + ERR_FAIL_COND_V(hr != S_OK, Array()); + + for (ULONG i = 0; i < count; i++) { + IMMDevice *device = NULL; + + hr = devices->Item(i, &device); + ERR_BREAK(hr != S_OK); + + IPropertyStore *props = NULL; + hr = device->OpenPropertyStore(STGM_READ, &props); + ERR_BREAK(hr != S_OK); + + PROPVARIANT propvar; + PropVariantInit(&propvar); + + hr = props->GetValue(PKEY_Device_FriendlyName, &propvar); + ERR_BREAK(hr != S_OK); + + list.push_back(String(propvar.pwszVal)); + + PropVariantClear(&propvar); + props->Release(); + device->Release(); + } + + devices->Release(); + enumerator->Release(); + return list; +} + +String AudioDriverWASAPI::get_device() { + + return device_name; +} + +void AudioDriverWASAPI::set_device(String device) { + + new_device = device; +} + void AudioDriverWASAPI::write_sample(AudioDriverWASAPI *ad, BYTE *buffer, int i, int32_t sample) { if (ad->format_tag == WAVE_FORMAT_PCM) { switch (ad->bits_per_sample) { @@ -323,6 +534,25 @@ void AudioDriverWASAPI::thread_func(void *p_udata) { } } + // If we're using the Default device and it changed finish it so we'll re-init the device + if (ad->device_name == "Default" && default_device_changed) { + Error err = ad->finish_device(); + if (err != OK) { + ERR_PRINT("WASAPI: finish_device error"); + } + + default_device_changed = false; + } + + // User selected a new device, finish the current one so we'll init the new device + if (ad->device_name != ad->new_device) { + ad->device_name = ad->new_device; + Error err = ad->finish_device(); + if (err != OK) { + ERR_PRINT("WASAPI: finish_device error"); + } + } + if (!ad->audio_client) { Error err = ad->init_device(true); if (err == OK) { @@ -397,6 +627,9 @@ AudioDriverWASAPI::AudioDriverWASAPI() { thread_exited = false; exit_thread = false; active = false; + + device_name = "Default"; + new_device = "Default"; } #endif |