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353 lines
10 KiB
C++
353 lines
10 KiB
C++
// Copyright 2018 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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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 <mmdeviceapi.h>
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#include <devpkey.h>
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#include <functiondiscoverykeys_devpkey.h>
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#include <wil/resource.h>
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// clang-format on
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#include <thread>
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#include "Common/Assert.h"
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#include "Common/HRWrap.h"
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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/Config/MainSettings.h"
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#include "VideoCommon/OnScreenDisplay.h"
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using Microsoft::WRL::ComPtr;
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WASAPIStream::WASAPIStream()
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{
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if (SUCCEEDED(CoInitializeEx(nullptr, COINIT_MULTITHREADED)))
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m_coinitialize.activate();
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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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m_running.store(false, std::memory_order_relaxed);
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if (m_thread.joinable())
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m_thread.join();
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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_view message, HRESULT result)
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{
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if (FAILED(result))
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{
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std::string error;
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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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default:
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error = Common::GetHResultMessage(result);
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break;
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}
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ERROR_LOG_FMT(AUDIO, "WASAPI: {}: {} ({:08x})", message, error, result);
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}
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return SUCCEEDED(result);
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}
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static void ForEachNamedDevice(const std::function<bool(ComPtr<IMMDevice>, std::string)>& callback)
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{
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HRESULT result = CoInitializeEx(nullptr, COINIT_MULTITHREADED);
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// RPC_E_CHANGED_MODE means that thread has COM already initialized with a different threading
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// model. We don't necessarily need multithreaded model here, so don't treat this as an error
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if (result != RPC_E_CHANGED_MODE && !HandleWinAPI("Failed to call CoInitialize", result))
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return;
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wil::unique_couninitialize_call cleanup;
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if (FAILED(result))
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cleanup.release(); // CoUninitialize must be matched with each successful CoInitialize call, so
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// don't call it if initialize fails
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ComPtr<IMMDeviceEnumerator> enumerator;
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result = CoCreateInstance(__uuidof(MMDeviceEnumerator), nullptr, CLSCTX_INPROC_SERVER,
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IID_PPV_ARGS(enumerator.GetAddressOf()));
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if (!HandleWinAPI("Failed to create MMDeviceEnumerator", result))
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return;
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ComPtr<IMMDeviceCollection> devices;
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result = enumerator->EnumAudioEndpoints(eRender, DEVICE_STATE_ACTIVE, devices.GetAddressOf());
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if (!HandleWinAPI("Failed to get available devices", result))
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return;
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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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ComPtr<IMMDevice> device;
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devices->Item(i, device.GetAddressOf());
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if (!HandleWinAPI("Failed to get device " + std::to_string(i), result))
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continue;
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ComPtr<IPropertyStore> device_properties;
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result = device->OpenPropertyStore(STGM_READ, device_properties.GetAddressOf());
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if (!HandleWinAPI("Failed to initialize IPropertyStore", result))
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continue;
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wil::unique_prop_variant device_name;
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device_properties->GetValue(PKEY_Device_FriendlyName, device_name.addressof());
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if (!callback(std::move(device), TStrToUTF8(device_name.pwszVal)))
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break;
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}
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}
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std::vector<std::string> WASAPIStream::GetAvailableDevices()
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{
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std::vector<std::string> device_names;
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ForEachNamedDevice([&device_names](ComPtr<IMMDevice>, std::string n) {
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device_names.push_back(std::move(n));
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return true;
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});
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return device_names;
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}
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ComPtr<IMMDevice> WASAPIStream::GetDeviceByName(std::string_view name)
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{
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ComPtr<IMMDevice> device;
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ForEachNamedDevice([&device, &name](ComPtr<IMMDevice> d, std::string n) {
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if (n == name)
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{
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device = std::move(d);
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return false;
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}
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return true;
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});
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return device;
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}
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bool WASAPIStream::Init()
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{
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ASSERT(m_enumerator == nullptr);
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HRESULT result = CoCreateInstance(__uuidof(MMDeviceEnumerator), nullptr, CLSCTX_INPROC_SERVER,
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IID_PPV_ARGS(m_enumerator.GetAddressOf()));
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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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ComPtr<IMMDevice> device;
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HRESULT result;
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if (Config::Get(Config::MAIN_WASAPI_DEVICE) == "default")
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{
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result = m_enumerator->GetDefaultAudioEndpoint(eRender, eConsole, device.GetAddressOf());
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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(Config::Get(Config::MAIN_WASAPI_DEVICE));
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if (!device)
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{
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ERROR_LOG_FMT(AUDIO, "Can't find device '{}', falling back to default",
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Config::Get(Config::MAIN_WASAPI_DEVICE));
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result = m_enumerator->GetDefaultAudioEndpoint(eRender, eConsole, device.GetAddressOf());
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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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// Show a friendly name in the log
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ComPtr<IPropertyStore> device_properties;
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result = device->OpenPropertyStore(STGM_READ, device_properties.GetAddressOf());
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if (!HandleWinAPI("Failed to initialize IPropertyStore", result))
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return false;
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wil::unique_prop_variant device_name;
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device_properties->GetValue(PKEY_Device_FriendlyName, device_name.addressof());
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INFO_LOG_FMT(AUDIO, "Using audio endpoint '{}'", TStrToUTF8(device_name.pwszVal));
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ComPtr<IAudioClient> audio_client;
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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*>(audio_client.GetAddressOf()));
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if (!HandleWinAPI("Failed to activate IAudioClient", result))
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return false;
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REFERENCE_TIME device_period = 0;
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result = audio_client->GetDevicePeriod(nullptr, &device_period);
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device_period += Config::Get(Config::MAIN_AUDIO_LATENCY) * (10000 / m_format.Format.nChannels);
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INFO_LOG_FMT(AUDIO, "Audio period set to {}", device_period);
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if (!HandleWinAPI("Failed to obtain device period", result))
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return false;
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result = 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 = audio_client->GetBufferSize(&m_frames_in_buffer);
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if (!HandleWinAPI("Failed to get aligned buffer size", result))
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return false;
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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*>(audio_client.ReleaseAndGetAddressOf()));
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if (!HandleWinAPI("Failed to reactivate IAudioClient", result))
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return false;
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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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Config::Get(Config::MAIN_AUDIO_LATENCY) * 10000;
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result = 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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return false;
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result = 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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return false;
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ComPtr<IAudioRenderClient> audio_renderer;
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result = audio_client->GetService(IID_PPV_ARGS(audio_renderer.GetAddressOf()));
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if (!HandleWinAPI("Failed to get IAudioRenderClient from IAudioClient", result))
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return false;
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wil::unique_event_nothrow need_data_event;
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need_data_event.create();
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audio_client->SetEventHandle(need_data_event.get());
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result = audio_client->Start();
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if (!HandleWinAPI("Failed to get IAudioRenderClient from IAudioClient", result))
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return false;
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INFO_LOG_FMT(AUDIO, "WASAPI: Successfully initialized!");
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// "Commit" audio client and audio renderer now
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m_audio_client = std::move(audio_client);
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m_audio_renderer = std::move(audio_renderer);
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m_need_data_event = std::move(need_data_event);
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m_running.store(true, std::memory_order_relaxed);
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m_thread = std::thread(&WASAPIStream::SoundLoop, this);
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}
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else
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{
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m_running.store(false, std::memory_order_relaxed);
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if (m_thread.joinable())
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m_thread.join();
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m_need_data_event.reset();
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m_audio_renderer.Reset();
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m_audio_client.Reset();
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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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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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while (m_running.load(std::memory_order_relaxed))
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{
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WaitForSingleObject(m_need_data_event.get(), 1000);
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m_audio_renderer->GetBuffer(m_frames_in_buffer, &data);
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s16* audio_data = reinterpret_cast<s16*>(data);
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GetMixer()->Mix(audio_data, m_frames_in_buffer);
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const bool is_muted =
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Config::Get(Config::MAIN_AUDIO_MUTED) || Config::Get(Config::MAIN_AUDIO_VOLUME) == 0;
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const bool need_volume_adjustment = Config::Get(Config::MAIN_AUDIO_VOLUME) != 100 && !is_muted;
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if (need_volume_adjustment)
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{
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const float volume = Config::Get(Config::MAIN_AUDIO_VOLUME) / 100.0f;
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for (u32 i = 0; i < m_frames_in_buffer * 2; i++)
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*audio_data++ *= volume;
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}
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m_audio_renderer->ReleaseBuffer(m_frames_in_buffer, is_muted ? AUDCLNT_BUFFERFLAGS_SILENT : 0);
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}
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}
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#endif // _WIN32
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