FAudio: Implement and have functional FAudio output
Corrected the current FAudio output code, FAudio api wasn't a direct 1 for 1 code replacement. Adjusted the existing code structure so that FAudioVoiceCallBack struct was being properly called on. Signed-off-by: Zach Bacon <zachbacon@vba-m.com>
This commit is contained in:
Zach Bacon
Fabrice de Gans
parent
0e13cc9346
commit
311b232ee5
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@ -325,6 +325,7 @@ endif()
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# FAudio.
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if(ENABLE_FAUDIO)
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find_package(FAudio REQUIRED)
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target_sources(visualboyadvance-m PRIVATE faudio.cpp)
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target_link_libraries(visualboyadvance-m FAudio::FAudio)
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target_compile_definitions(visualboyadvance-m PRIVATE VBAM_ENABLE_FAUDIO)
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endif()
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@ -8,42 +8,44 @@
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#include <vector>
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// FAudio
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#include <faudio.h>
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#include <FAudio.h>
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// MMDevice API
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#include <mmdeviceapi.h>
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#include <wx/arrstr.h>
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#include <wx/log.h>
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#include <wx/translation.h>
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#include "core/base/sound_driver.h"
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#include "core/base/system.h"
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#include "core/gba/gbaGlobals.h"
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#include "wx/config/option-proxy.h"
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namespace {
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int GetFADevices(FAudio* fa, wxArrayString* names, wxArrayString* ids,
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const wxString* match)
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{
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HRESULT hr;
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UINT32 dev_count = 0;
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uint32_t hr;
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uint32_t dev_count = 0;
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hr = FAudio_GetDeviceCount(fa, &dev_count);
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if (hr != S_OK) {
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if (hr != 0) {
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wxLogError(_("FAudio: Enumerating devices failed!"));
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return true;
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return -1;
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} else {
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FAudioDeviceDetails dd;
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for (UINT32 i = 0; i < dev_count; i++) {
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for (uint32_t i = 0; i < dev_count; i++) {
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hr = FAudio_GetDeviceDetails(fa, i, &dd);
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if (hr != S_OK) {
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if (hr != 0) {
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continue;
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} else {
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if (ids) {
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ids->push_back((wchar_t*) dd.DeviceID); //FAudio is an interesting beast, but not that hard to adapt... once you get used to it, XAudio2 wouldn't need this, but FAudio declares FAudioDeviceDetails as int32_t
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ids->push_back((wchar_t*) dd.DeviceID);
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names->push_back((wchar_t*) dd.DisplayName);
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} else if (*match == dd.DeviceID)
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} else if (*match == wxString((wchar_t*) dd.DeviceID))
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return i;
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}
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}
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@ -52,29 +54,7 @@ int GetFADevices(FAudio* fa, wxArrayString* names, wxArrayString* ids,
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return -1;
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}
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bool GetFADevices(wxArrayString& names, wxArrayString& ids)
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{
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HRESULT hr;
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FAudio* fa = NULL;
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UINT32 flags = 0;
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#ifdef _DEBUG
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flags = FAUDIO_DEBUG_ENGINE;
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#endif
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hr = FAudioCreate(&fa, flags, FAUDIO_DEFAULT_PROCESSOR); //Apparently this needs 3 parameters, the processor.
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if (hr != S_OK) {
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wxLogError(_("The FAudio interface failed to initialize!"));
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return false;
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}
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GetFADevices(fa, &names, &ids, NULL);
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//fa->Release();
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FAudio_Release(fa);
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return true;
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}
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static int FAGetDev(FAudio* fa)
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int FAGetDev(FAudio* fa)
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{
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const wxString& audio_device = OPTION(kSoundAudioDevice);
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if (audio_device.empty())
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@ -85,155 +65,50 @@ static int FAGetDev(FAudio* fa)
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}
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}
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class FAudio_Output;
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static void faudio_device_changed(FAudio_Output*);
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class FAudio_Device_Notifier : public IMMNotificationClient {
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volatile LONG registered;
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IMMDeviceEnumerator* pEnumerator;
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std::wstring last_device;
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CRITICAL_SECTION lock;
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std::vector<FAudio_Output*> instances;
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public:
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FAudio_Device_Notifier()
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: registered(0)
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{
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InitializeCriticalSection(&lock);
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}
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~FAudio_Device_Notifier()
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{
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DeleteCriticalSection(&lock);
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}
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ULONG STDMETHODCALLTYPE AddRef()
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{
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return 1;
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}
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ULONG STDMETHODCALLTYPE Release()
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{
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return 1;
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}
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HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, VOID** ppvInterface)
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{
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if (IID_IUnknown == riid) {
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*ppvInterface = (IUnknown*)this;
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} else if (__uuidof(IMMNotificationClient) == riid) {
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*ppvInterface = (IMMNotificationClient*)this;
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} else {
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*ppvInterface = NULL;
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return E_NOINTERFACE;
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}
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return S_OK;
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}
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HRESULT STDMETHODCALLTYPE OnDefaultDeviceChanged(EDataFlow flow, ERole role, LPCWSTR pwstrDeviceId)
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{
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if (flow == eRender && last_device.compare(pwstrDeviceId) != 0) {
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last_device = pwstrDeviceId;
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EnterCriticalSection(&lock);
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for (auto it = instances.begin(); it < instances.end(); ++it) {
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faudio_device_changed(*it);
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}
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LeaveCriticalSection(&lock);
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}
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return S_OK;
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}
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HRESULT STDMETHODCALLTYPE OnDeviceAdded(LPCWSTR pwstrDeviceId) { return S_OK; }
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HRESULT STDMETHODCALLTYPE OnDeviceRemoved(LPCWSTR pwstrDeviceId) { return S_OK; }
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HRESULT STDMETHODCALLTYPE OnDeviceStateChanged(LPCWSTR pwstrDeviceId, DWORD dwNewState) { return S_OK; }
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HRESULT STDMETHODCALLTYPE OnPropertyValueChanged(LPCWSTR pwstrDeviceId, const PROPERTYKEY key) { return S_OK; }
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void do_register(FAudio_Output* p_instance)
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{
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if (InterlockedIncrement(®istered) == 1) {
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pEnumerator = NULL;
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HRESULT hr = CoCreateInstance(__uuidof(MMDeviceEnumerator), NULL, CLSCTX_INPROC_SERVER, __uuidof(IMMDeviceEnumerator), (void**)&pEnumerator);
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if (SUCCEEDED(hr)) {
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pEnumerator->RegisterEndpointNotificationCallback(this);
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}
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}
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EnterCriticalSection(&lock);
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instances.push_back(p_instance);
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LeaveCriticalSection(&lock);
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}
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void do_unregister(FAudio_Output* p_instance)
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{
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if (InterlockedDecrement(®istered) == 0) {
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if (pEnumerator) {
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pEnumerator->UnregisterEndpointNotificationCallback(this);
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pEnumerator->Release();
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pEnumerator = NULL;
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}
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}
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EnterCriticalSection(&lock);
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for (auto it = instances.begin(); it < instances.end(); ++it) {
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if (*it == p_instance) {
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instances.erase(it);
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break;
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}
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}
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LeaveCriticalSection(&lock);
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}
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} g_notifier;
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// Synchronization Event
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class FAudio_BufferNotify : public FAudioVoiceCallback {
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public:
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HANDLE hBufferEndEvent;
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bool WaitForSignal() {
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return WaitForSingleObject(buffer_end_event_, 10000) != WAIT_TIMEOUT;
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}
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FAudio_BufferNotify()
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{
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hBufferEndEvent = NULL;
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hBufferEndEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
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assert(hBufferEndEvent != NULL);
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}
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buffer_end_event_ = nullptr;
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buffer_end_event_ = CreateEvent(nullptr, FALSE, FALSE, nullptr);
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assert(buffer_end_event_ != nullptr);
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OnBufferEnd = &FAudio_BufferNotify::StaticOnBufferEnd;
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OnVoiceProcessingPassStart = &FAudio_BufferNotify::StaticOnVoiceProcessingPassStart;
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OnVoiceProcessingPassEnd = &FAudio_BufferNotify::StaticOnVoiceProcessingPassEnd;
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OnStreamEnd = &FAudio_BufferNotify::StaticOnStreamEnd;
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OnBufferStart = &FAudio_BufferNotify::StaticOnBufferStart;
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OnLoopEnd = &FAudio_BufferNotify::StaticOnLoopEnd;
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OnVoiceError = &FAudio_BufferNotify::StaticOnVoiceError;
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}
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~FAudio_BufferNotify()
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{
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CloseHandle(hBufferEndEvent);
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hBufferEndEvent = NULL;
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CloseHandle(buffer_end_event_);
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buffer_end_event_ = nullptr;
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}
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STDMETHOD_(void, OnBufferEnd)
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(void* pBufferContext)
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private:
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void* buffer_end_event_;
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static void StaticOnBufferEnd(FAudioVoiceCallback* callback, void * pBufferContext) {
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FAudio_BufferNotify* self = static_cast<FAudio_BufferNotify*>(callback);
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if (self != nullptr && self->buffer_end_event_ != NULL)
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{
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assert(hBufferEndEvent != NULL);
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SetEvent(hBufferEndEvent);
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SetEvent(self->buffer_end_event_);
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}
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// dummies:
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STDMETHOD_(void, OnVoiceProcessingPassStart)
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(UINT32 BytesRequired) {}
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STDMETHOD_(void, OnVoiceProcessingPassEnd)
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() {}
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STDMETHOD_(void, OnStreamEnd)
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() {}
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STDMETHOD_(void, OnBufferStart)
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(void* pBufferContext) {}
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STDMETHOD_(void, OnLoopEnd)
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(void* pBufferContext) {}
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STDMETHOD_(void, OnVoiceError)
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(void* pBufferContext, HRESULT Error){};
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}
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static void StaticOnVoiceProcessingPassStart(FAudioVoiceCallback* callback, uint32_t BytesRequired) {}
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static void StaticOnVoiceProcessingPassEnd(FAudioVoiceCallback* callback) {}
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static void StaticOnStreamEnd(FAudioVoiceCallback* callback) {}
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static void StaticOnBufferStart(FAudioVoiceCallback* callback, void * pBufferContext) {}
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static void StaticOnLoopEnd(FAudioVoiceCallback* callback, void * pBufferContext) {}
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static void StaticOnVoiceError(FAudioVoiceCallback* callback, void * pBufferContext, uint32_t Error) {}
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};
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// Class Declaration
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class FAudio_Output
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: public SoundDriver {
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public:
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@ -254,15 +129,15 @@ public:
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void device_change();
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// Configuration Changes
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void setThrottle(unsigned short throttle);
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void setThrottle(unsigned short throttle_);
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private:
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bool failed;
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bool initialized;
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bool playing;
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UINT32 freq;
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UINT32 bufferCount;
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BYTE* buffers;
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uint32_t freq;
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uint32_t bufferCount;
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uint8_t* buffers;
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int currentBuffer;
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int soundBufferLen;
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@ -276,6 +151,34 @@ private:
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FAudio_BufferNotify notify; // buffer end notification
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};
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class FAudio_Device_Notifier : public IMMNotificationClient {
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private:
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volatile LONG registered;
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IMMDeviceEnumerator* pEnumerator;
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std::wstring last_device;
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CRITICAL_SECTION lock;
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std::vector<FAudio_Output*> instances;
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public:
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FAudio_Device_Notifier();
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~FAudio_Device_Notifier();
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ULONG STDMETHODCALLTYPE AddRef();
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ULONG STDMETHODCALLTYPE Release();
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HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, VOID** ppvInterface);
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HRESULT STDMETHODCALLTYPE OnDefaultDeviceChanged(EDataFlow flow, ERole role, LPCWSTR pwstrDeviceId);
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HRESULT STDMETHODCALLTYPE OnDeviceAdded(LPCWSTR pwstrDeviceId);
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HRESULT STDMETHODCALLTYPE OnDeviceRemoved(LPCWSTR pwstrDeviceId);
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HRESULT STDMETHODCALLTYPE OnDeviceStateChanged(LPCWSTR pwstrDeviceId, DWORD dwNewState);
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HRESULT STDMETHODCALLTYPE OnPropertyValueChanged(LPCWSTR pwstrDeviceId, const PROPERTYKEY key);
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void do_register(FAudio_Output* p_instance);
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void do_unregister(FAudio_Output* p_instance);
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};
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FAudio_Device_Notifier f_notifier;
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// Class Implementation
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FAudio_Output::FAudio_Output()
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{
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@ -290,14 +193,14 @@ FAudio_Output::FAudio_Output()
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faud = NULL;
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mVoice = NULL;
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sVoice = NULL;
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ZeroMemory(&buf, sizeof(buf));
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ZeroMemory(&vState, sizeof(vState));
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g_notifier.do_register(this);
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memset(&buf, NULL, sizeof(buf));
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memset(&vState, NULL, sizeof(vState));
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f_notifier.do_register(this);
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}
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FAudio_Output::~FAudio_Output()
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{
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g_notifier.do_unregister(this);
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f_notifier.do_unregister(this);
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close();
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}
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@ -307,8 +210,7 @@ void FAudio_Output::close()
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if (sVoice) {
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if (playing) {
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HRESULT hr = FAudioSourceVoice_Stop(sVoice, 0, FAUDIO_COMMIT_NOW);
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assert(hr == S_OK);
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assert(FAudioSourceVoice_Stop(sVoice, 0, FAUDIO_COMMIT_NOW) == 0);
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}
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FAudioVoice_DestroyVoice(sVoice);
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@ -341,15 +243,15 @@ bool FAudio_Output::init(long sampleRate)
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if (failed || initialized)
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return false;
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HRESULT hr;
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uint32_t hr;
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// Initialize FAudio
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UINT32 flags = 0;
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uint32_t flags = 0;
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//#ifdef _DEBUG
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// flags = FAUDIO_DEBUG_ENGINE;
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//#endif
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hr = FAudioCreate(&faud, flags, FAUDIO_DEFAULT_PROCESSOR);
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if (hr != S_OK) {
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if (hr != 0) {
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wxLogError(_("The FAudio interface failed to initialize!"));
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failed = true;
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return false;
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@ -361,19 +263,18 @@ bool FAudio_Output::init(long sampleRate)
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soundBufferLen = (freq / 60) * 4;
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// create own buffers to store sound data because it must not be
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// manipulated while the voice plays from it
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buffers = (BYTE*)malloc((bufferCount + 1) * soundBufferLen);
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buffers = (uint8_t*)malloc((bufferCount + 1) * soundBufferLen);
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// + 1 because we need one temporary buffer when all others are in use
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WAVEFORMATEX wfx;
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ZeroMemory(&wfx, sizeof(wfx));
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wfx.wFormatTag = WAVE_FORMAT_PCM;
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FAudioWaveFormatEx wfx;
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memset(&wfx, NULL, sizeof(wfx));
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wfx.wFormatTag = FAUDIO_FORMAT_PCM;
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wfx.nChannels = 2;
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wfx.nSamplesPerSec = freq;
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wfx.wBitsPerSample = 16;
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wfx.nBlockAlign = wfx.nChannels * (wfx.wBitsPerSample / 8);
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wfx.nAvgBytesPerSec = wfx.nSamplesPerSec * wfx.nBlockAlign;
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// create sound receiver
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hr = FAudio_CreateMasteringVoice(
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faud,
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hr = FAudio_CreateMasteringVoice(faud,
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&mVoice,
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FAUDIO_DEFAULT_CHANNELS,
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FAUDIO_DEFAULT_SAMPLERATE,
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@ -381,7 +282,7 @@ bool FAudio_Output::init(long sampleRate)
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FAGetDev(faud),
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NULL);
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if (hr != S_OK) {
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if (hr != 0) {
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wxLogError(_("FAudio: Creating mastering voice failed!"));
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failed = true;
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return false;
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@ -389,10 +290,9 @@ bool FAudio_Output::init(long sampleRate)
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// create sound emitter
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//This should be FAudio_CreateSourceVoice()
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//hr = faud->CreateSourceVoice(&sVoice, &wfx, 0, 4.0f, ¬ify);
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hr = FAudio_CreateSourceVoice(faud, &sVoice, (const FAudioWaveFormatEx*)&wfx, 0, 4.0f, ¬ify, NULL, NULL);
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hr = FAudio_CreateSourceVoice(faud, &sVoice, &wfx, 0, 4.0f, ¬ify, NULL, NULL);
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if (hr != S_OK) {
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if (hr != 0) {
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wxLogError(_("FAudio: Creating source voice failed!"));
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failed = true;
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return false;
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@ -400,10 +300,9 @@ bool FAudio_Output::init(long sampleRate)
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if (OPTION(kSoundUpmix)) {
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// set up stereo upmixing
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FAudioDeviceDetails dd;
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ZeroMemory(&dd, sizeof(dd));
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hr = FAudio_GetDeviceDetails(faud, 0, &dd);
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assert(hr == S_OK);
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FAudioDeviceDetails dd {};
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//memset(&dd, NULL, sizeof(dd));
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assert(FAudio_GetDeviceDetails(faud, 0, &dd) == 0);
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float* matrix = NULL;
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matrix = (float*)malloc(sizeof(float) * 2 * dd.OutputFormat.Format.nChannels);
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@ -499,8 +398,8 @@ bool FAudio_Output::init(long sampleRate)
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}
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if (matrixAvailable) {
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hr = FAudioVoice_SetOutputMatrix(sVoice, NULL, 2, dd.OutputFormat.Format.nChannels, matrix, FAUDIO_DEFAULT_CHANNELS); //What I have here for the OperationSet maybe wrong...
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assert(hr == S_OK);
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hr = FAudioVoice_SetOutputMatrix(sVoice, NULL, 2, dd.OutputFormat.Format.nChannels, matrix, FAUDIO_DEFAULT_CHANNELS);
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assert(hr == 0);
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}
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free(matrix);
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@ -508,7 +407,7 @@ bool FAudio_Output::init(long sampleRate)
|
|||
}
|
||||
|
||||
hr = FAudioSourceVoice_Start(sVoice, 0, FAUDIO_COMMIT_NOW);
|
||||
assert(hr == S_OK);
|
||||
assert(hr == 0);
|
||||
playing = true;
|
||||
currentBuffer = 0;
|
||||
device_changed = false;
|
||||
|
|
@ -518,7 +417,7 @@ bool FAudio_Output::init(long sampleRate)
|
|||
|
||||
void FAudio_Output::write(uint16_t* finalWave, int length)
|
||||
{
|
||||
UINT32 flags = 0;
|
||||
uint32_t flags = 0;
|
||||
if (!initialized || failed)
|
||||
return;
|
||||
|
||||
|
|
@ -548,7 +447,7 @@ void FAudio_Output::write(uint16_t* finalWave, int length)
|
|||
// the maximum number of buffers is currently queued
|
||||
if (!coreOptions.speedup && coreOptions.throttle && !gba_joybus_active) {
|
||||
// wait for one buffer to finish playing
|
||||
if (WaitForSingleObject(notify.hBufferEndEvent, 10000) == WAIT_TIMEOUT) {
|
||||
if (notify.WaitForSignal()) {
|
||||
device_changed = true;
|
||||
}
|
||||
} else {
|
||||
|
|
@ -559,13 +458,13 @@ void FAudio_Output::write(uint16_t* finalWave, int length)
|
|||
}
|
||||
|
||||
// copy & protect the audio data in own memory area while playing it
|
||||
CopyMemory(&buffers[currentBuffer * soundBufferLen], finalWave, soundBufferLen);
|
||||
memcpy(&buffers[currentBuffer * soundBufferLen], finalWave, soundBufferLen);
|
||||
buf.AudioBytes = soundBufferLen;
|
||||
buf.pAudioData = &buffers[currentBuffer * soundBufferLen];
|
||||
currentBuffer++;
|
||||
currentBuffer %= (bufferCount + 1); // + 1 because we need one temporary buffer
|
||||
HRESULT hr = FAudioSourceVoice_SubmitSourceBuffer(sVoice, &buf, NULL); // send buffer to queue.
|
||||
assert(hr == S_OK);
|
||||
uint32_t hr = FAudioSourceVoice_SubmitSourceBuffer(sVoice, &buf, NULL);
|
||||
assert(hr == 0);
|
||||
}
|
||||
|
||||
void FAudio_Output::pause()
|
||||
|
|
@ -574,8 +473,8 @@ void FAudio_Output::pause()
|
|||
return;
|
||||
|
||||
if (playing) {
|
||||
HRESULT hr = FAudioSourceVoice_Stop(sVoice, 0, FAUDIO_COMMIT_NOW);
|
||||
assert(hr == S_OK);
|
||||
uint32_t hr = FAudioSourceVoice_Stop(sVoice, 0, FAUDIO_COMMIT_NOW);
|
||||
assert(hr == 0);
|
||||
playing = false;
|
||||
}
|
||||
}
|
||||
|
|
@ -586,8 +485,8 @@ void FAudio_Output::resume()
|
|||
return;
|
||||
|
||||
if (!playing) {
|
||||
HRESULT hr = FAudioSourceVoice_Start(sVoice, 0, FAUDIO_COMMIT_NOW);
|
||||
assert(hr == S_OK);
|
||||
uint32_t hr = FAudioSourceVoice_Start(sVoice, 0, FAUDIO_COMMIT_NOW);
|
||||
assert(hr == 0);
|
||||
playing = true;
|
||||
}
|
||||
}
|
||||
|
|
@ -598,8 +497,8 @@ void FAudio_Output::reset()
|
|||
return;
|
||||
|
||||
if (playing) {
|
||||
HRESULT hr = FAudioSourceVoice_Stop(sVoice, 0, FAUDIO_COMMIT_NOW);
|
||||
assert(hr == S_OK);
|
||||
uint32_t hr = FAudioSourceVoice_Stop(sVoice, 0, FAUDIO_COMMIT_NOW);
|
||||
assert(hr == 0);
|
||||
}
|
||||
|
||||
FAudioSourceVoice_FlushSourceBuffers(sVoice);
|
||||
|
|
@ -615,15 +514,127 @@ void FAudio_Output::setThrottle(unsigned short throttle_)
|
|||
if (throttle_ == 0)
|
||||
throttle_ = 100;
|
||||
|
||||
HRESULT hr = FAudioSourceVoice_SetFrequencyRatio(sVoice, (float)throttle_ / 100.0f, FAUDIO_MAX_FILTER_FREQUENCY);
|
||||
assert(hr == S_OK);
|
||||
uint32_t hr = FAudioSourceVoice_SetFrequencyRatio(sVoice, (float)throttle_ / 100.0f, FAUDIO_COMMIT_NOW);
|
||||
assert(hr == 0);
|
||||
}
|
||||
|
||||
void faudio_device_changed(FAudio_Output* instance)
|
||||
FAudio_Device_Notifier::FAudio_Device_Notifier()
|
||||
: registered(0)
|
||||
{
|
||||
instance->device_change();
|
||||
InitializeCriticalSection(&lock);
|
||||
}
|
||||
FAudio_Device_Notifier::~FAudio_Device_Notifier()
|
||||
{
|
||||
DeleteCriticalSection(&lock);
|
||||
}
|
||||
|
||||
ULONG STDMETHODCALLTYPE FAudio_Device_Notifier::AddRef()
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
|
||||
ULONG STDMETHODCALLTYPE FAudio_Device_Notifier::Release()
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
|
||||
HRESULT STDMETHODCALLTYPE FAudio_Device_Notifier::QueryInterface(REFIID riid, VOID** ppvInterface)
|
||||
{
|
||||
if (IID_IUnknown == riid) {
|
||||
*ppvInterface = (IUnknown*)this;
|
||||
} else if (__uuidof(IMMNotificationClient) == riid) {
|
||||
*ppvInterface = (IMMNotificationClient*)this;
|
||||
} else {
|
||||
*ppvInterface = NULL;
|
||||
return E_NOINTERFACE;
|
||||
}
|
||||
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
HRESULT STDMETHODCALLTYPE FAudio_Device_Notifier::OnDefaultDeviceChanged(EDataFlow flow, ERole role, LPCWSTR pwstrDeviceId)
|
||||
{
|
||||
if (flow == eRender && last_device.compare(pwstrDeviceId) != 0) {
|
||||
last_device = pwstrDeviceId;
|
||||
EnterCriticalSection(&lock);
|
||||
|
||||
for (auto it = instances.begin(); it < instances.end(); ++it) {
|
||||
(*it)->device_change();
|
||||
}
|
||||
|
||||
LeaveCriticalSection(&lock);
|
||||
}
|
||||
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
HRESULT STDMETHODCALLTYPE FAudio_Device_Notifier::OnDeviceAdded(LPCWSTR pwstrDeviceId) { return S_OK; }
|
||||
HRESULT STDMETHODCALLTYPE FAudio_Device_Notifier::OnDeviceRemoved(LPCWSTR pwstrDeviceId) { return S_OK; }
|
||||
HRESULT STDMETHODCALLTYPE FAudio_Device_Notifier::OnDeviceStateChanged(LPCWSTR pwstrDeviceId, DWORD dwNewState) { return S_OK; }
|
||||
HRESULT STDMETHODCALLTYPE FAudio_Device_Notifier::OnPropertyValueChanged(LPCWSTR pwstrDeviceId, const PROPERTYKEY key) { return S_OK; }
|
||||
|
||||
void FAudio_Device_Notifier::do_register(FAudio_Output* p_instance)
|
||||
{
|
||||
if (InterlockedIncrement(®istered) == 1) {
|
||||
pEnumerator = NULL;
|
||||
HRESULT hr = CoCreateInstance(__uuidof(MMDeviceEnumerator), NULL, CLSCTX_INPROC_SERVER, __uuidof(IMMDeviceEnumerator), (void**)&pEnumerator);
|
||||
|
||||
if (SUCCEEDED(hr)) {
|
||||
pEnumerator->RegisterEndpointNotificationCallback(this);
|
||||
}
|
||||
}
|
||||
|
||||
EnterCriticalSection(&lock);
|
||||
instances.push_back(p_instance);
|
||||
LeaveCriticalSection(&lock);
|
||||
}
|
||||
|
||||
void FAudio_Device_Notifier::do_unregister(FAudio_Output* p_instance)
|
||||
{
|
||||
if (InterlockedDecrement(®istered) == 0) {
|
||||
if (pEnumerator) {
|
||||
pEnumerator->UnregisterEndpointNotificationCallback(this);
|
||||
pEnumerator->Release();
|
||||
pEnumerator = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
EnterCriticalSection(&lock);
|
||||
|
||||
for (auto it = instances.begin(); it < instances.end(); ++it) {
|
||||
if (*it == p_instance) {
|
||||
instances.erase(it);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
LeaveCriticalSection(&lock);
|
||||
}
|
||||
|
||||
|
||||
} // namespace
|
||||
|
||||
bool GetFADevices(wxArrayString& names, wxArrayString& ids)
|
||||
{
|
||||
uint32_t hr;
|
||||
FAudio* fa = NULL;
|
||||
uint32_t flags = 0;
|
||||
#ifdef _DEBUG
|
||||
flags = FAUDIO_DEBUG_ENGINE;
|
||||
#endif
|
||||
hr = FAudioCreate(&fa, flags, FAUDIO_DEFAULT_PROCESSOR);
|
||||
|
||||
if (hr != 0) {
|
||||
wxLogError(_("The FAudio interface failed to initialize!"));
|
||||
return false;
|
||||
}
|
||||
|
||||
GetFADevices(fa, &names, &ids, NULL);
|
||||
FAudio_Release(fa);
|
||||
return true;
|
||||
}
|
||||
|
||||
// Class Declaration
|
||||
SoundDriver* newFAudio_Output()
|
||||
{
|
||||
return new FAudio_Output();
|
||||
|
|
|
|||
Loading…
Reference in New Issue