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audiodev-wasapi.cpp
1045 lines (878 loc) · 28.7 KB
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audiodev-wasapi.cpp
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/* PCSX2 - PS2 Emulator for PCs
* Copyright (C) 2002-2020 PCSX2 Dev Team
*
* PCSX2 is free software: you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with PCSX2.
* If not, see <http://www.gnu.org/licenses/>.
*/
// Used OBS as example
#include "PrecompiledHeader.h"
#include <assert.h>
#include <propsys.h>
#include <typeinfo>
#include <functiondiscoverykeys_devpkey.h>
#include <process.h>
#include "audiodev-wasapi.h"
#include "../Win32/Config_usb.h"
#include "../Win32/resource.h"
#define SafeRelease(x) \
if (x) \
{ \
x->Release(); \
x = NULL; \
}
#define ConvertMSTo100NanoSec(ms) (ms * 1000 * 10) //1000 microseconds, then 10 "100nanosecond" segments
namespace usb_mic
{
namespace audiodev_wasapi
{
static FILE* file = nullptr;
//Config dlg temporaries
struct WASAPISettings
{
int port;
const char* dev_type;
AudioDeviceInfoList sourceDevs;
AudioDeviceInfoList sinkDevs;
std::wstring selectedDev[3];
};
static BOOL CALLBACK WASAPIDlgProc(HWND hW, UINT uMsg, WPARAM wParam, LPARAM lParam);
LARGE_INTEGER clockFreq = {0};
__declspec(thread) LONGLONG lastQPCTime = 0;
LONGLONG GetQPCTimeMS()
{
LARGE_INTEGER currentTime;
QueryPerformanceCounter(¤tTime);
if (currentTime.QuadPart < lastQPCTime)
OSDebugOut(TEXT("GetQPCTimeMS: WTF, clock went backwards! %I64d < %I64d"), currentTime.QuadPart, lastQPCTime);
lastQPCTime = currentTime.QuadPart;
LONGLONG timeVal = currentTime.QuadPart;
timeVal *= 1000;
timeVal /= clockFreq.QuadPart;
return timeVal;
}
LONGLONG GetQPCTime100NS()
{
LARGE_INTEGER currentTime;
QueryPerformanceCounter(¤tTime);
if (currentTime.QuadPart < lastQPCTime)
OSDebugOut(TEXT("GetQPCTime100NS: WTF, clock went backwards! %I64d < %I64d"), currentTime.QuadPart, lastQPCTime);
lastQPCTime = currentTime.QuadPart;
double timeVal = double(currentTime.QuadPart);
timeVal *= 10000000.0;
timeVal /= double(clockFreq.QuadPart);
return LONGLONG(timeVal);
}
MMAudioDevice::~MMAudioDevice()
{
mQuit = true;
if (mThread != INVALID_HANDLE_VALUE)
{
if (WaitForSingleObject(mThread, 30000) != WAIT_OBJECT_0)
TerminateThread(mThread, 0);
}
FreeData();
SafeRelease(mmEnumerator);
mResampler = src_delete(mResampler);
if (file)
fclose(file);
file = nullptr;
CloseHandle(mThread);
mThread = INVALID_HANDLE_VALUE;
CloseHandle(mMutex);
mMutex = INVALID_HANDLE_VALUE;
}
void MMAudioDevice::FreeData()
{
SafeRelease(mmCapture);
SafeRelease(mmRender);
SafeRelease(mmClient);
SafeRelease(mmDevice);
SafeRelease(mmClock);
//clear mBuffer
}
bool MMAudioDevice::Init()
{
const IID IID_IMMDeviceEnumerator = __uuidof(IMMDeviceEnumerator);
const CLSID CLSID_MMDeviceEnumerator = __uuidof(MMDeviceEnumerator);
if (mAudioDir == AUDIODIR_SOURCE)
{
if (!LoadSetting(mDevType, mPort, APINAME, (mDevice ? N_AUDIO_SOURCE1 : N_AUDIO_SOURCE0), mDevID))
{
throw AudioDeviceError("MMAudioDevice:: failed to load source from ini!");
}
}
else
{
if (!LoadSetting(mDevType, mPort, APINAME, (mDevice ? N_AUDIO_SINK1 : N_AUDIO_SINK0), mDevID))
{
throw AudioDeviceError("MMAudioDevice:: failed to load sink from ini!");
}
}
if (!mDevID.length())
return false;
{
int var;
if (LoadSetting(mDevType, mPort, APINAME, (mAudioDir == AUDIODIR_SOURCE ? N_BUFFER_LEN_SRC : N_BUFFER_LEN_SINK), var))
mBuffering = std::min(1000, std::max(1, var));
}
HRESULT err = CoCreateInstance(CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL, IID_IMMDeviceEnumerator, (void**)&mmEnumerator);
if (FAILED(err))
{
Console.WriteLn("MMAudioDevice::Init(): Could not create IMMDeviceEnumerator = %08lX\n", err);
return false;
}
//TODO Not starting thread here unnecesserily
//mThread = CreateThread(NULL, 0, MMAudioDevice::CaptureThread, this, 0, 0);
return true;
}
bool MMAudioDevice::Reinitialize()
{
const IID IID_IAudioClient = __uuidof(IAudioClient);
const IID IID_IAudioCaptureClient = __uuidof(IAudioCaptureClient);
const IID IID_IAudioRenderClient = __uuidof(IAudioRenderClient);
HRESULT err;
if (!mDeviceLost && mmClock)
return true;
else
{
if (GetQPCTimeMS() - mLastTimeMS < 1000)
return false;
mLastTimeMS = GetQPCTimeMS();
}
err = mmEnumerator->GetDevice(mDevID.c_str(), &mmDevice);
if (FAILED(err))
{
if (!mDeviceLost)
Console.WriteLn("MMAudioDevice::Reinitialize(): Could not create IMMDevice = %08lX\n", err);
return false;
}
err = mmDevice->Activate(IID_IAudioClient, CLSCTX_ALL, NULL, (void**)&mmClient);
if (FAILED(err))
{
if (!mDeviceLost)
Console.WriteLn("MMAudioDevice::Reinitialize(): Could not create IAudioClient = %08lX\n", err);
return false;
}
// get name
/*IPropertyStore *store;
if(SUCCEEDED(mmDevice->OpenPropertyStore(STGM_READ, &store)))
{
PROPVARIANT varName;
PropVariantInit(&varName);
if(SUCCEEDED(store->GetValue(PKEY_Device_FriendlyName, &varName)))
{
const WCHAR* wstrName = varName.pwszVal;
mDeviceName = wstrName;
}
store->Release();
}*/
// get format
WAVEFORMATEX* pwfx;
err = mmClient->GetMixFormat(&pwfx);
if (FAILED(err))
{
if (!mDeviceLost)
Console.WriteLn("MMAudioDevice::Reinitialize(): Could not get mix format from audio client = %08lX\n", err);
return false;
}
WAVEFORMATEXTENSIBLE* wfext = NULL;
if (pwfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
{
wfext = (WAVEFORMATEXTENSIBLE*)pwfx;
mInputChannelMask = wfext->dwChannelMask;
if (wfext->SubFormat != KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)
{
if (!mDeviceLost)
Console.WriteLn("MMAudioDevice::Reinitialize(): Unsupported wave format\n");
CoTaskMemFree(pwfx);
return false;
}
}
else if (pwfx->wFormatTag != WAVE_FORMAT_IEEE_FLOAT)
{
if (!mDeviceLost)
Console.WriteLn("MMAudioDevice::Reinitialize(): Unsupported wave format\n");
CoTaskMemFree(pwfx);
return false;
}
mFloat = true;
mDeviceChannels = pwfx->nChannels;
mDeviceBitsPerSample = 32;
mDeviceBlockSize = pwfx->nBlockAlign;
mDeviceSamplesPerSec = pwfx->nSamplesPerSec;
//sampleWindowSize = (inputSamplesPerSec/100);
DWORD flags = 0; //useInputDevice ? 0 : AUDCLNT_STREAMFLAGS_LOOPBACK;
//Random limit of 1ms to 1 seconds
if (mBuffering == 0)
mBuffering = 50;
mBuffering = std::min(std::max(mBuffering, 1LL), 1000LL);
OSDebugOut(TEXT("Buffering: %d\n"), mBuffering);
err = mmClient->Initialize(AUDCLNT_SHAREMODE_SHARED, flags, ConvertMSTo100NanoSec(mBuffering), 0, pwfx, NULL);
//err = AUDCLNT_E_UNSUPPORTED_FORMAT;
if (FAILED(err))
{
if (!mDeviceLost)
Console.WriteLn("MMAudioDevice::Reinitialize(): Could not initialize audio client, result = %08lX\n", err);
CoTaskMemFree(pwfx);
return false;
}
// acquire services
if (mAudioDir == AUDIODIR_SOURCE)
err = mmClient->GetService(IID_IAudioCaptureClient, (void**)&mmCapture);
else
err = mmClient->GetService(IID_IAudioRenderClient, (void**)&mmRender);
if (FAILED(err))
{
if (!mDeviceLost)
Console.WriteLn("MMAudioDevice::Reinitialize(): Could not get audio %s client, result = %08lX\n",
(mAudioDir == AUDIODIR_SOURCE ? TEXT("capture") : TEXT("render")), err);
CoTaskMemFree(pwfx);
return false;
}
err = mmClient->GetService(__uuidof(IAudioClock), (void**)&mmClock);
if (FAILED(err))
{
if (!mDeviceLost)
Console.WriteLn("MMAudioDevice::Reinitialize(): Could not get audio capture clock, result = %08lX\n", err);
CoTaskMemFree(pwfx);
return false;
}
CoTaskMemFree(pwfx);
// Setup resampler
int converterType = SRC_SINC_FASTEST;
int errVal = 0;
mResampler = src_delete(mResampler);
mResampler = src_new(converterType, mDeviceChannels, &errVal);
if (!mResampler)
{
OSDebugOut(TEXT("Failed to create resampler: error %08lX\n"), errVal);
#ifndef _DEBUG
Console.WriteLn("USBqemu: Failed to create resampler: error %08lX", errVal);
#endif
return false;
}
ResetBuffers();
if (mDeviceLost && !mFirstSamples) //TODO really lost and just first run. Call Start() from ctor always anyway?
this->Start();
mDeviceLost = false;
return true;
}
void MMAudioDevice::Start()
{
src_reset(mResampler);
if (mmClient)
mmClient->Start();
mPaused = false;
}
void MMAudioDevice::Stop()
{
mPaused = true;
if (mmClient)
mmClient->Stop();
}
void MMAudioDevice::ResetBuffers()
{
if (WaitForSingleObject(mMutex, 5000) != WAIT_OBJECT_0)
{
OSDebugOut(TEXT("Failed to wait for mutex\n"));
return;
}
size_t bytes;
if (mAudioDir == AUDIODIR_SOURCE)
{
bytes = mDeviceChannels * mDeviceSamplesPerSec * sizeof(float) * mBuffering / 1000;
bytes += bytes % (mDeviceChannels * sizeof(float));
mInBuffer.reserve(bytes);
bytes = mDeviceChannels * mSamplesPerSec * sizeof(short) * mBuffering / 1000;
bytes += bytes % (mDeviceChannels * sizeof(short));
mOutBuffer.reserve(bytes);
}
else
{
bytes = mDeviceChannels * mDeviceSamplesPerSec * sizeof(float) * mBuffering / 1000;
bytes += bytes % (mDeviceChannels * sizeof(float));
mOutBuffer.reserve(bytes);
bytes = mDeviceChannels * mSamplesPerSec * sizeof(short) * mBuffering / 1000;
bytes += bytes % (mDeviceChannels * sizeof(short));
mInBuffer.reserve(bytes);
}
ReleaseMutex(mMutex);
}
//TODO or just return samples count in mOutBuffer?
bool MMAudioDevice::GetFrames(uint32_t* size)
{
if (WaitForSingleObject(mMutex, 5000) != WAIT_OBJECT_0)
{
OSDebugOut(TEXT("Failed to wait for mutex\n"));
*size = 0;
return false;
}
*size = mOutBuffer.size<short>() / mDeviceChannels;
ReleaseMutex(mMutex);
return true;
}
unsigned WINAPI MMAudioDevice::CaptureThread(LPVOID ptr)
{
MMAudioDevice* src = (MMAudioDevice*)ptr;
std::vector<float> rebuf;
unsigned ret = 1;
bool bThreadComInitialized = false;
//TODO APARTMENTTHREADED instead?
HRESULT hr = CoInitializeEx(NULL, COINIT_MULTITHREADED);
if ((S_OK != hr) && (S_FALSE != hr) /* already inited */ && (hr != RPC_E_CHANGED_MODE))
{
OSDebugOut(TEXT("Com initialization failed with %d\n"), hr);
goto error;
}
if (hr != RPC_E_CHANGED_MODE)
bThreadComInitialized = true;
//Call mmClient->Start() here instead?
while (!src->mQuit)
{
while (src->mPaused)
{
Sleep(100);
if (src->mQuit)
goto quit;
}
src->GetMMBuffer();
if (src->mInBuffer.size())
{
size_t resampled = static_cast<size_t>(src->mInBuffer.size<float>() * src->mResampleRatio * src->mTimeAdjust);
if (resampled == 0)
resampled = src->mInBuffer.size<float>();
rebuf.resize(resampled);
SRC_DATA srcData;
memset(&srcData, 0, sizeof(SRC_DATA));
size_t output_frames = 0;
float* pBegin = rebuf.data();
float* pEnd = pBegin + rebuf.size();
memset(&srcData, 0, sizeof(SRC_DATA));
while (src->mInBuffer.peek_read() > 0)
{
srcData.data_in = src->mInBuffer.front<float>();
srcData.input_frames = src->mInBuffer.peek_read<float>() / src->GetChannels();
srcData.data_out = pBegin;
srcData.output_frames = (pEnd - pBegin) / src->GetChannels();
srcData.src_ratio = src->mResampleRatio * src->mTimeAdjust;
src_process(src->mResampler, &srcData);
output_frames += srcData.output_frames_gen;
pBegin += srcData.output_frames_gen * src->GetChannels();
size_t samples = srcData.input_frames_used * src->GetChannels();
if (!samples)
break; //TODO happens?
src->mInBuffer.read<float>(samples);
}
DWORD resMutex = WaitForSingleObject(src->mMutex, 30000);
if (resMutex != WAIT_OBJECT_0)
{
OSDebugOut(TEXT("Mutex wait failed: %d\n"), resMutex);
goto error;
}
size_t len = output_frames * src->GetChannels();
float* pSrc = rebuf.data();
while (len > 0)
{
size_t samples = std::min(len, src->mOutBuffer.peek_write<short>(true));
src_float_to_short_array(pSrc, src->mOutBuffer.back<short>(), samples);
src->mOutBuffer.write<short>(samples);
len -= samples;
pSrc += samples;
}
if (!ReleaseMutex(src->mMutex))
{
OSDebugOut(TEXT("Mutex release failed\n"));
goto error;
}
}
Sleep(src->mDeviceLost ? 1000 : 1);
}
quit:
ret = 0;
error:
if (bThreadComInitialized)
CoUninitialize();
_endthreadex(ret);
return ret;
}
unsigned WINAPI MMAudioDevice::RenderThread(LPVOID ptr)
{
MMAudioDevice* src = (MMAudioDevice*)ptr;
std::vector<float> buffer;
UINT32 bufferFrameCount, numFramesPadding, numFramesAvailable;
BYTE* pData;
SRC_DATA srcData;
unsigned ret = 1;
HRESULT hr = 0;
bool bThreadComInitialized = false;
memset(&srcData, 0, sizeof(SRC_DATA));
//TODO APARTMENTTHREADED instead?
hr = CoInitializeEx(NULL, COINIT_MULTITHREADED);
if ((S_OK != hr) && (S_FALSE != hr) /* already inited */ && (hr != RPC_E_CHANGED_MODE))
{
OSDebugOut(TEXT("Com initialization failed with %d\n"), hr);
goto error;
}
if (hr != RPC_E_CHANGED_MODE)
bThreadComInitialized = true;
//Call mmClient->Start() here instead?
while (!src->mQuit)
{
while (src->mPaused)
{
Sleep(100);
if (src->mQuit)
goto quit;
}
if (src->mDeviceLost && !src->Reinitialize())
{
Sleep(1000);
continue;
}
DWORD resMutex = WaitForSingleObject(src->mMutex, 5000);
if (resMutex != WAIT_OBJECT_0)
{
OSDebugOut(TEXT("Mutex wait failed: %d\n"), resMutex);
goto error;
}
hr = src->mmClient->GetBufferSize(&bufferFrameCount);
if (FAILED(hr))
goto device_error;
hr = src->mmClient->GetCurrentPadding(&numFramesPadding);
if (FAILED(hr))
goto device_error;
numFramesAvailable = std::min(bufferFrameCount - numFramesPadding, UINT32(src->mInBuffer.size<short>() / src->GetChannels()));
if (src->mInBuffer.size<short>())
{
buffer.resize(src->mInBuffer.size<short>());
size_t read = buffer.size();
while (read > 0 && numFramesAvailable > 0)
{
size_t samples = std::min(src->mInBuffer.peek_read<short>(), read);
src_short_to_float_array(src->mInBuffer.front<short>(),
buffer.data(), samples);
//XXX May get AUDCLNT_E_BUFFER_TOO_LARGE
hr = src->mmRender->GetBuffer(numFramesAvailable, &pData);
if (FAILED(hr))
goto device_error;
srcData.data_in = buffer.data();
srcData.input_frames = samples / src->GetChannels();
srcData.data_out = (float*)pData;
srcData.output_frames = numFramesAvailable;
srcData.src_ratio = src->mResampleRatio;
src_process(src->mResampler, &srcData);
hr = src->mmRender->ReleaseBuffer(srcData.output_frames_gen, 0);
if (FAILED(hr))
goto device_error;
read -= srcData.input_frames_used * src->GetChannels();
src->mInBuffer.read<short>(srcData.input_frames_used * src->GetChannels());
}
}
// TODO WASAPI seems to stop playing when buffer underrun, so skip this
/*else
{
if (numFramesPadding < src->mDeviceSamplesPerSec / 1000)
{
numFramesAvailable = std::min(bufferFrameCount - numFramesPadding, (src->mDeviceSamplesPerSec / 1000));
OSDebugOut(TEXT("Writing silence %u\n"), numFramesAvailable);
hr = src->mmRender->GetBuffer(numFramesAvailable, &pData);
if (FAILED(hr))
goto device_error;
hr = src->mmRender->ReleaseBuffer(numFramesAvailable, AUDCLNT_BUFFERFLAGS_SILENT);
}
}*/
device_error:
if (!ReleaseMutex(src->mMutex))
{
OSDebugOut(TEXT("Mutex release failed\n"));
goto error;
}
if (FAILED(hr))
{
if (hr == AUDCLNT_E_DEVICE_INVALIDATED)
{
src->mDeviceLost = true;
OSDebugOut(TEXT("Audio device has been lost, attempting to reinitialize\n"));
}
else
goto error;
}
Sleep(src->mDeviceLost ? 1000 : 10);
}
quit:
ret = 0;
error:
if (bThreadComInitialized)
CoUninitialize();
_endthreadex(ret);
return ret;
}
uint32_t MMAudioDevice::GetBuffer(int16_t* outBuf, uint32_t outFrames)
{
if (!mQuit && (mThread == INVALID_HANDLE_VALUE ||
WaitForSingleObject(mThread, 0) == WAIT_OBJECT_0)) //Thread got killed prematurely
{
mThread = (HANDLE)_beginthreadex(NULL, 0, MMAudioDevice::CaptureThread, this, 0, NULL);
}
DWORD resMutex = WaitForSingleObject(mMutex, 1000);
if (resMutex != WAIT_OBJECT_0)
{
OSDebugOut(TEXT("Mutex wait failed: %d\n"), resMutex);
return 0;
}
//mSamples += outFrames;
//mTime = GetQPCTime100NS();
//if (mLastTimeNS == 0) mLastTimeNS = mTime;
//LONGLONG diff = mTime - mLastTimeNS;
//if (diff >= LONGLONG(1e7))
//{
// mTimeAdjust = (mSamples / (diff / 1e7)) / mSamplesPerSec;
// //if(mTimeAdjust > 1.0) mTimeAdjust = 1.0; //If game is in 'turbo mode', just return zero samples or...?
// OSDebugOut(TEXT("timespan: %") TEXT(PRId64) TEXT(" sampling: %f adjust: %f\n"), diff, float(mSamples) / diff * 1e7, mTimeAdjust);
// mLastTimeNS = mTime;
// mSamples = 0;
//}
int samples_to_read = outFrames * mDeviceChannels;
short* pDst = (short*)outBuf;
//assert(samples_to_read <= mOutBuffer.size<short>());
while (samples_to_read > 0)
{
int samples = std::min(samples_to_read, (int)mOutBuffer.peek_read<short>());
if (!samples)
break;
memcpy(pDst, mOutBuffer.front(), samples * sizeof(short));
mOutBuffer.read<short>(samples);
pDst += samples;
samples_to_read -= samples;
}
OSDebugOut(TEXT("Since last write: %lld ms, left in buffer: %d bytes / %d ms\n"),
mOutBuffer.MilliSecsSinceLastWrite(), mOutBuffer.peek_read(),
1000 * mOutBuffer.peek_read<short>() / mSamplesPerSec / mDeviceChannels);
if (!ReleaseMutex(mMutex))
OSDebugOut(TEXT("Mutex release failed\n"));
return (outFrames - (samples_to_read / mDeviceChannels));
}
uint32_t MMAudioDevice::SetBuffer(int16_t* inBuf, uint32_t inFrames)
{
if (!mQuit && (mThread == INVALID_HANDLE_VALUE ||
WaitForSingleObject(mThread, 0) == WAIT_OBJECT_0)) //Thread got killed prematurely
{
mThread = (HANDLE)_beginthreadex(NULL, 0, MMAudioDevice::RenderThread, this, 0, NULL);
}
DWORD resMutex = WaitForSingleObject(mMutex, 1000);
if (resMutex != WAIT_OBJECT_0)
{
OSDebugOut(TEXT("Mutex wait failed: %d\n"), resMutex);
return 0;
}
size_t nbytes = inFrames * sizeof(short) * GetChannels();
mInBuffer.write((uint8_t*)inBuf, nbytes);
if (!ReleaseMutex(mMutex))
{
OSDebugOut(TEXT("Mutex release failed\n"));
}
return inFrames;
}
/*
Returns read frame count.
*/
uint32_t MMAudioDevice::GetMMBuffer()
{
UINT64 devPosition, qpcTimestamp;
LPBYTE captureBuffer;
UINT32 numFramesRead;
DWORD dwFlags = 0;
if (mDeviceLost)
{
FreeData();
if (Reinitialize())
{
OSDebugOut(TEXT("Device reacquired.\n"));
Start();
}
else
{
return 0;
}
}
UINT32 captureSize = 0;
HRESULT hRes = mmCapture->GetNextPacketSize(&captureSize);
if (FAILED(hRes))
{
if (hRes == AUDCLNT_E_DEVICE_INVALIDATED)
{
mDeviceLost = true;
FreeData();
OSDebugOut(TEXT("Audio device has been lost, attempting to reinitialize\n"));
}
return 0;
}
if (!captureSize)
return 0;
if (SUCCEEDED(mmCapture->GetBuffer(&captureBuffer, &numFramesRead, &dwFlags, &devPosition, &qpcTimestamp)))
{
size_t totalLen = numFramesRead * mDeviceChannels;
if (dwFlags & AUDCLNT_BUFFERFLAGS_SILENT)
{
while (totalLen && mInBuffer.peek_write<float>() > 0)
{
size_t len = std::min(totalLen, mInBuffer.peek_write<float>());
memset(mInBuffer.back(), 0, sizeof(float) * len);
mInBuffer.write<float>(len);
totalLen -= len;
}
}
else
{
mInBuffer.write((uint8_t*)captureBuffer, sizeof(float) * totalLen);
}
mmCapture->ReleaseBuffer(numFramesRead);
}
return numFramesRead;
}
void MMAudioDevice::SetResampling(int samplerate)
{
if (mDeviceSamplesPerSec == samplerate)
{
mResample = false;
return;
}
mSamplesPerSec = samplerate;
if (mAudioDir == AUDIODIR_SOURCE)
mResampleRatio = double(samplerate) / double(mDeviceSamplesPerSec);
else
mResampleRatio = double(mDeviceSamplesPerSec) / double(samplerate);
mResample = true;
ResetBuffers();
}
bool MMAudioDevice::AudioInit()
{
QueryPerformanceFrequency(&clockFreq);
return true;
}
void MMAudioDevice::AudioDevices(std::vector<AudioDeviceInfo>& devices, AudioDir dir)
{
const CLSID CLSID_MMDeviceEnumerator = __uuidof(MMDeviceEnumerator);
const IID IID_IMMDeviceEnumerator = __uuidof(IMMDeviceEnumerator);
IMMDeviceEnumerator* mmEnumerator;
HRESULT err;
err = CoCreateInstance(CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL, IID_IMMDeviceEnumerator, (void**)&mmEnumerator);
if (FAILED(err))
{
Console.WriteLn("AudioDevices: Could not create IMMDeviceEnumerator\n");
return;
}
IMMDeviceCollection* collection;
EDataFlow audioDeviceType = (dir == AUDIODIR_SOURCE ? eCapture : eRender);
DWORD flags = DEVICE_STATE_ACTIVE;
//if (!bConnectedOnly)
flags |= DEVICE_STATE_UNPLUGGED;
err = mmEnumerator->EnumAudioEndpoints(audioDeviceType, flags, &collection);
if (FAILED(err))
{
Console.WriteLn("AudioDevices: Could not enumerate audio endpoints\n");
SafeRelease(mmEnumerator);
return;
}
UINT count;
if (SUCCEEDED(collection->GetCount(&count)))
{
for (UINT i = 0; i < count; i++)
{
IMMDevice* device;
if (SUCCEEDED(collection->Item(i, &device)))
{
const WCHAR* wstrID;
if (SUCCEEDED(device->GetId((LPWSTR*)&wstrID)))
{
IPropertyStore* store;
if (SUCCEEDED(device->OpenPropertyStore(STGM_READ, &store)))
{
PROPVARIANT varName;
PropVariantInit(&varName);
if (SUCCEEDED(store->GetValue(PKEY_Device_FriendlyName, &varName)))
{
const WCHAR* wstrName = varName.pwszVal;
AudioDeviceInfo info;
info.strID = wstrID;
info.strName = wstrName;
devices.push_back(info);
}
}
CoTaskMemFree((LPVOID)wstrID);
}
SafeRelease(device);
}
}
}
SafeRelease(collection);
SafeRelease(mmEnumerator);
}
int MMAudioDevice::Configure(int port, const char* dev_type, void* data)
{
Win32Handles h = *(Win32Handles*)data;
WASAPISettings settings;
settings.port = port;
settings.dev_type = dev_type;
return (int)DialogBoxParam(h.hInst,
MAKEINTRESOURCE(IDD_DLGWASAPI),
h.hWnd,
(DLGPROC)WASAPIDlgProc, (LPARAM)&settings);
}
static void RefreshInputAudioList(HWND hW, LRESULT idx, WASAPISettings* settings)
{
settings->sourceDevs.clear();
SendDlgItemMessage(hW, IDC_COMBO1, CB_RESETCONTENT, 0, 0);
SendDlgItemMessage(hW, IDC_COMBO2, CB_RESETCONTENT, 0, 0);
SendDlgItemMessageW(hW, IDC_COMBO1, CB_ADDSTRING, 0, (LPARAM)L"None");
SendDlgItemMessageW(hW, IDC_COMBO2, CB_ADDSTRING, 0, (LPARAM)L"None");
SendDlgItemMessage(hW, IDC_COMBO1, CB_SETCURSEL, 0, 0);
SendDlgItemMessage(hW, IDC_COMBO2, CB_SETCURSEL, 0, 0);
MMAudioDevice::AudioDevices(settings->sourceDevs, AUDIODIR_SOURCE);
AudioDeviceInfoList::iterator it;
int i = 0;
for (it = settings->sourceDevs.begin(); it != settings->sourceDevs.end(); ++it)
{
SendDlgItemMessageW(hW, IDC_COMBO1, CB_ADDSTRING, 0, (LPARAM)it->strName.c_str());
SendDlgItemMessageW(hW, IDC_COMBO2, CB_ADDSTRING, 0, (LPARAM)it->strName.c_str());
i++;
if (it->strID == settings->selectedDev[0])
SendDlgItemMessage(hW, IDC_COMBO1, CB_SETCURSEL, i, i);
if (it->strID == settings->selectedDev[1])
SendDlgItemMessage(hW, IDC_COMBO2, CB_SETCURSEL, i, i);
}
}
static void RefreshOutputAudioList(HWND hW, LRESULT idx, WASAPISettings* settings)
{
settings->sinkDevs.clear();
SendDlgItemMessage(hW, IDC_COMBO3, CB_RESETCONTENT, 0, 0);
SendDlgItemMessageW(hW, IDC_COMBO3, CB_ADDSTRING, 0, (LPARAM)L"None");
SendDlgItemMessage(hW, IDC_COMBO3, CB_SETCURSEL, 0, 0);
MMAudioDevice::AudioDevices(settings->sinkDevs, AUDIODIR_SINK);
AudioDeviceInfoList::iterator it;
int i = 0;
for (it = settings->sinkDevs.begin(); it != settings->sinkDevs.end(); ++it)
{
SendDlgItemMessageW(hW, IDC_COMBO3, CB_ADDSTRING, 0, (LPARAM)it->strName.c_str());
i++;
if (it->strID == settings->selectedDev[2])
SendDlgItemMessage(hW, IDC_COMBO3, CB_SETCURSEL, i, i);
}
}
static BOOL CALLBACK WASAPIDlgProc(HWND hW, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
int tmp = 0;
WASAPISettings* s;
switch (uMsg)
{
case WM_CREATE:
SetWindowLongPtr(hW, GWLP_USERDATA, lParam);
break;
case WM_INITDIALOG:
{
s = (WASAPISettings*)lParam;
SetWindowLongPtr(hW, GWLP_USERDATA, lParam);
int buffering = 50;
LoadSetting(s->dev_type, s->port, APINAME, N_BUFFER_LEN_SRC, buffering);
SendDlgItemMessage(hW, IDC_SLIDER1, TBM_SETRANGEMIN, TRUE, 1);
SendDlgItemMessage(hW, IDC_SLIDER1, TBM_SETRANGEMAX, TRUE, 1000);
SendDlgItemMessage(hW, IDC_SLIDER1, TBM_SETPOS, TRUE, buffering);
SetDlgItemInt(hW, IDC_BUFFER1, buffering, FALSE);
buffering = 50;
LoadSetting(s->dev_type, s->port, APINAME, N_BUFFER_LEN_SINK, buffering);
SendDlgItemMessage(hW, IDC_SLIDER2, TBM_SETRANGEMIN, TRUE, 1);
SendDlgItemMessage(hW, IDC_SLIDER2, TBM_SETRANGEMAX, TRUE, 1000);
SendDlgItemMessage(hW, IDC_SLIDER2, TBM_SETPOS, TRUE, buffering);
SetDlgItemInt(hW, IDC_BUFFER2, buffering, FALSE);
for (int i = 0; i < 2; i++)
{
LoadSetting(s->dev_type, s->port, APINAME, (i ? N_AUDIO_SOURCE1 : N_AUDIO_SOURCE0), s->selectedDev[i]);
}
LoadSetting(s->dev_type, s->port, APINAME, N_AUDIO_SINK0, s->selectedDev[2]);
RefreshInputAudioList(hW, -1, s);
RefreshOutputAudioList(hW, -1, s);
return TRUE;
}
case WM_HSCROLL:
if ((HWND)lParam == GetDlgItem(hW, IDC_SLIDER1))
{
int pos = SendDlgItemMessage(hW, IDC_SLIDER1, TBM_GETPOS, 0, 0);
SetDlgItemInt(hW, IDC_BUFFER1, pos, FALSE);
break;
}
else if ((HWND)lParam == GetDlgItem(hW, IDC_SLIDER2))
{
int pos = SendDlgItemMessage(hW, IDC_SLIDER2, TBM_GETPOS, 0, 0);
SetDlgItemInt(hW, IDC_BUFFER2, pos, FALSE);
break;
}
break;
case WM_COMMAND:
switch (HIWORD(wParam))
{
case EN_CHANGE:
{
switch (LOWORD(wParam))
{
case IDC_BUFFER1:
CHECKED_SET_MAX_INT(tmp, hW, IDC_BUFFER1, FALSE, 1, 1000);
SendDlgItemMessage(hW, IDC_SLIDER1, TBM_SETPOS, TRUE, tmp);
break;
case IDC_BUFFER2:
CHECKED_SET_MAX_INT(tmp, hW, IDC_BUFFER2, FALSE, 1, 1000);
SendDlgItemMessage(hW, IDC_SLIDER2, TBM_SETPOS, TRUE, tmp);
break;
}
}
break;
case BN_CLICKED:
{
switch (LOWORD(wParam))
{
case IDOK: