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https://github.com/dolphin-emu/dolphin.git
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452 lines
11 KiB
C++
452 lines
11 KiB
C++
// Copyright 2018 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#include "AudioCommon/WASAPIStream.h"
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#ifdef _WIN32
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// clang-format off
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#include <Audioclient.h>
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#include <comdef.h>
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#include <mmdeviceapi.h>
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#include <devpkey.h>
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#include <functiondiscoverykeys_devpkey.h>
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#include <thread>
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// clang-format on
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#include "Common/Logging/Log.h"
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#include "Common/StringUtil.h"
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#include "Common/Thread.h"
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#include "Core/ConfigManager.h"
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#include "VideoCommon/OnScreenDisplay.h"
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WASAPIStream::WASAPIStream()
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{
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CoInitialize(nullptr);
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m_format.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
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m_format.Format.nChannels = 2;
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m_format.Format.nSamplesPerSec = GetMixer()->GetSampleRate();
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m_format.Format.nAvgBytesPerSec = m_format.Format.nSamplesPerSec * 4;
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m_format.Format.nBlockAlign = 4;
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m_format.Format.wBitsPerSample = 16;
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m_format.Format.cbSize = sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX);
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m_format.Samples.wValidBitsPerSample = m_format.Format.wBitsPerSample;
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m_format.dwChannelMask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT;
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m_format.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
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}
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WASAPIStream::~WASAPIStream()
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{
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if (m_enumerator)
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m_enumerator->Release();
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if (m_need_data_event)
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CloseHandle(m_need_data_event);
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if (m_running)
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{
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m_running = false;
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if (m_thread.joinable())
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m_thread.join();
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}
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CoUninitialize();
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}
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bool WASAPIStream::isValid()
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{
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return true;
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}
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static bool HandleWinAPI(std::string message, HRESULT result)
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{
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if (result != S_OK)
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{
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_com_error err(result);
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std::string error = TStrToUTF8(err.ErrorMessage()).c_str();
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switch (result)
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{
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case AUDCLNT_E_DEVICE_IN_USE:
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error = "Audio endpoint already in use!";
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break;
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}
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ERROR_LOG(AUDIO, "WASAPI: %s: %s", message.c_str(), error.c_str());
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}
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return result == S_OK;
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}
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std::vector<std::string> WASAPIStream::GetAvailableDevices()
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{
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CoInitialize(nullptr);
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IMMDeviceEnumerator* enumerator = nullptr;
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HRESULT result =
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CoCreateInstance(__uuidof(MMDeviceEnumerator), nullptr, CLSCTX_INPROC_SERVER,
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__uuidof(IMMDeviceEnumerator), reinterpret_cast<LPVOID*>(&enumerator));
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if (!HandleWinAPI("Failed to create MMDeviceEnumerator", result))
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return {};
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std::vector<std::string> device_names;
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IMMDeviceCollection* devices;
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result = enumerator->EnumAudioEndpoints(eRender, DEVICE_STATE_ACTIVE, &devices);
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if (!HandleWinAPI("Failed to get available devices", result))
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{
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CoUninitialize();
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return {};
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}
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UINT count;
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devices->GetCount(&count);
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for (u32 i = 0; i < count; i++)
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{
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IMMDevice* device;
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devices->Item(i, &device);
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if (!HandleWinAPI("Failed to get device " + std::to_string(i), result))
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continue;
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LPWSTR device_id;
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device->GetId(&device_id);
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IPropertyStore* device_properties;
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result = device->OpenPropertyStore(STGM_READ, &device_properties);
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if (!HandleWinAPI("Failed to initialize IPropertyStore", result))
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continue;
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PROPVARIANT device_name;
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PropVariantInit(&device_name);
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device_properties->GetValue(PKEY_Device_FriendlyName, &device_name);
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device_names.push_back(TStrToUTF8(device_name.pwszVal));
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PropVariantClear(&device_name);
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}
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devices->Release();
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enumerator->Release();
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CoUninitialize();
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return device_names;
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}
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IMMDevice* WASAPIStream::GetDeviceByName(std::string name)
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{
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CoInitialize(nullptr);
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IMMDeviceEnumerator* enumerator = nullptr;
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HRESULT result =
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CoCreateInstance(__uuidof(MMDeviceEnumerator), nullptr, CLSCTX_INPROC_SERVER,
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__uuidof(IMMDeviceEnumerator), reinterpret_cast<LPVOID*>(&enumerator));
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if (!HandleWinAPI("Failed to create MMDeviceEnumerator", result))
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return false;
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IMMDeviceCollection* devices;
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result = enumerator->EnumAudioEndpoints(eRender, DEVICE_STATE_ACTIVE, &devices);
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if (!HandleWinAPI("Failed to get available devices", result))
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{
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return {};
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}
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UINT count;
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devices->GetCount(&count);
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for (u32 i = 0; i < count; i++)
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{
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IMMDevice* device;
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devices->Item(i, &device);
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if (!HandleWinAPI("Failed to get device " + std::to_string(i), result))
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continue;
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LPWSTR device_id;
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device->GetId(&device_id);
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IPropertyStore* device_properties;
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result = device->OpenPropertyStore(STGM_READ, &device_properties);
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if (!HandleWinAPI("Failed to initialize IPropertyStore", result))
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continue;
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PROPVARIANT device_name;
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PropVariantInit(&device_name);
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device_properties->GetValue(PKEY_Device_FriendlyName, &device_name);
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if (TStrToUTF8(device_name.pwszVal) == name)
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{
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devices->Release();
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enumerator->Release();
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CoUninitialize();
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return device;
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}
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PropVariantClear(&device_name);
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}
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devices->Release();
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enumerator->Release();
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CoUninitialize();
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return nullptr;
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}
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bool WASAPIStream::Init()
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{
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HRESULT result =
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CoCreateInstance(__uuidof(MMDeviceEnumerator), nullptr, CLSCTX_INPROC_SERVER,
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__uuidof(IMMDeviceEnumerator), reinterpret_cast<LPVOID*>(&m_enumerator));
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if (!HandleWinAPI("Failed to create MMDeviceEnumerator", result))
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return false;
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return true;
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}
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bool WASAPIStream::SetRunning(bool running)
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{
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if (running)
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{
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IMMDevice* device = nullptr;
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HRESULT result;
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if (SConfig::GetInstance().sWASAPIDevice == "default")
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{
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result = m_enumerator->GetDefaultAudioEndpoint(eRender, eConsole, &device);
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}
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else
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{
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result = S_OK;
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device = GetDeviceByName(SConfig::GetInstance().sWASAPIDevice);
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if (!device)
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{
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ERROR_LOG(AUDIO, "Can't find device '%s', falling back to default",
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SConfig::GetInstance().sWASAPIDevice.c_str());
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result = m_enumerator->GetDefaultAudioEndpoint(eRender, eConsole, &device);
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}
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}
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if (!HandleWinAPI("Failed to obtain default endpoint", result))
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return false;
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LPWSTR device_id;
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device->GetId(&device_id);
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// Show a friendly name in the log
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IPropertyStore* device_properties;
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result = device->OpenPropertyStore(STGM_READ, &device_properties);
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if (!HandleWinAPI("Failed to initialize IPropertyStore", result))
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return false;
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PROPVARIANT device_name;
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PropVariantInit(&device_name);
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device_properties->GetValue(PKEY_Device_FriendlyName, &device_name);
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INFO_LOG(AUDIO, "Using audio endpoint '%s'", TStrToUTF8(device_name.pwszVal).c_str());
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PropVariantClear(&device_name);
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// Get IAudioDevice
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result = device->Activate(__uuidof(IAudioClient), CLSCTX_INPROC_SERVER, nullptr,
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reinterpret_cast<LPVOID*>(&m_audio_client));
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if (!HandleWinAPI("Failed to activate IAudioClient", result))
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{
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device->Release();
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return false;
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}
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REFERENCE_TIME device_period = 0;
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result = m_audio_client->GetDevicePeriod(nullptr, &device_period);
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device_period += SConfig::GetInstance().iLatency * (10000 / m_format.Format.nChannels);
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INFO_LOG(AUDIO, "Audio period set to %d", device_period);
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if (!HandleWinAPI("Failed to obtain device period", result))
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{
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device->Release();
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m_audio_client->Release();
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m_audio_client = nullptr;
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return false;
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}
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result = m_audio_client->Initialize(
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AUDCLNT_SHAREMODE_EXCLUSIVE,
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AUDCLNT_STREAMFLAGS_EVENTCALLBACK | AUDCLNT_STREAMFLAGS_NOPERSIST, device_period,
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device_period, reinterpret_cast<WAVEFORMATEX*>(&m_format), nullptr);
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if (result == AUDCLNT_E_UNSUPPORTED_FORMAT)
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{
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OSD::AddMessage("Your current audio device doesn't support 16-bit 48000 hz PCM audio. WASAPI "
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"exclusive mode won't work.",
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6000U);
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return false;
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}
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if (result == AUDCLNT_E_BUFFER_SIZE_NOT_ALIGNED)
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{
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result = m_audio_client->GetBufferSize(&m_frames_in_buffer);
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m_audio_client->Release();
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if (!HandleWinAPI("Failed to get aligned buffer size", result))
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{
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device->Release();
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m_audio_client->Release();
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m_audio_client = nullptr;
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return false;
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}
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// Get IAudioDevice
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result = device->Activate(__uuidof(IAudioClient), CLSCTX_INPROC_SERVER, nullptr,
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reinterpret_cast<LPVOID*>(&m_audio_client));
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if (!HandleWinAPI("Failed to reactivate IAudioClient", result))
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{
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device->Release();
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return false;
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}
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device_period =
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static_cast<REFERENCE_TIME>(
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10000.0 * 1000 * m_frames_in_buffer / m_format.Format.nSamplesPerSec + 0.5) +
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SConfig::GetInstance().iLatency * 10000;
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result = m_audio_client->Initialize(
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AUDCLNT_SHAREMODE_EXCLUSIVE,
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AUDCLNT_STREAMFLAGS_EVENTCALLBACK | AUDCLNT_STREAMFLAGS_NOPERSIST, device_period,
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device_period, reinterpret_cast<WAVEFORMATEX*>(&m_format), nullptr);
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}
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if (!HandleWinAPI("Failed to initialize IAudioClient", result))
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{
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device->Release();
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m_audio_client->Release();
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m_audio_client = nullptr;
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return false;
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}
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result = m_audio_client->GetBufferSize(&m_frames_in_buffer);
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if (!HandleWinAPI("Failed to get buffer size from IAudioClient", result))
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{
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device->Release();
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m_audio_client->Release();
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m_audio_client = nullptr;
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return false;
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}
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result = m_audio_client->GetService(__uuidof(IAudioRenderClient),
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reinterpret_cast<LPVOID*>(&m_audio_renderer));
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if (!HandleWinAPI("Failed to get IAudioRenderClient from IAudioClient", result))
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{
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device->Release();
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m_audio_client->Release();
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m_audio_client = nullptr;
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return false;
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}
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m_need_data_event = CreateEvent(nullptr, FALSE, FALSE, nullptr);
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m_audio_client->SetEventHandle(m_need_data_event);
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result = m_audio_client->Start();
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if (!HandleWinAPI("Failed to get IAudioRenderClient from IAudioClient", result))
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{
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device->Release();
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m_audio_renderer->Release();
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m_audio_renderer = nullptr;
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m_audio_client->Release();
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m_audio_client = nullptr;
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CloseHandle(m_need_data_event);
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return false;
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}
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device->Release();
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INFO_LOG(AUDIO, "WASAPI: Successfully initialized!");
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m_running = true;
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m_thread = std::thread([this] { SoundLoop(); });
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m_thread.detach();
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}
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else
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{
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m_running = false;
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if (m_thread.joinable())
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m_thread.join();
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while (!m_stopped)
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{
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}
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if (m_audio_client)
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{
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m_audio_renderer->Release();
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m_audio_renderer = nullptr;
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m_audio_client->Release();
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m_audio_client = nullptr;
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}
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}
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return true;
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}
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void WASAPIStream::SoundLoop()
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{
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Common::SetCurrentThreadName("WASAPI Handler");
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BYTE* data;
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if (m_audio_renderer)
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{
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m_audio_renderer->GetBuffer(m_frames_in_buffer, &data);
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m_audio_renderer->ReleaseBuffer(m_frames_in_buffer, AUDCLNT_BUFFERFLAGS_SILENT);
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}
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m_stopped = false;
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while (m_running)
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{
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if (!m_audio_renderer)
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continue;
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WaitForSingleObject(m_need_data_event, 1000);
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m_audio_renderer->GetBuffer(m_frames_in_buffer, &data);
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GetMixer()->Mix(reinterpret_cast<s16*>(data), m_frames_in_buffer);
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float volume = SConfig::GetInstance().m_IsMuted ? 0 : SConfig::GetInstance().m_Volume / 100.;
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for (u32 i = 0; i < m_frames_in_buffer * 2; i++)
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reinterpret_cast<s16*>(data)[i] = static_cast<s16>(reinterpret_cast<s16*>(data)[i] * volume);
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m_audio_renderer->ReleaseBuffer(m_frames_in_buffer, 0);
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}
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m_stopped = true;
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}
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#endif // _WIN32
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