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|
// Copyright 2005-2017 The Mumble Developers. All rights reserved.
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file at the root of the
// Mumble source tree or at <https://www.mumble.info/LICENSE>.
#include "mumble_pch.hpp"
#include "DirectSound.h"
#include "MainWindow.h"
#include "Plugins.h"
#include "User.h"
#include "Global.h"
// from os_win.cpp
extern HWND mumble_mw_hwnd;
#undef FAILED
#define FAILED(Status) (static_cast<HRESULT>(Status)<0)
// #define MY_DEFERRED DS3D_DEFERRED
#define MY_DEFERRED DS3D_IMMEDIATE
#define NBLOCKS 50
class DXAudioOutputRegistrar : public AudioOutputRegistrar {
public:
DXAudioOutputRegistrar();
virtual AudioOutput *create();
virtual const QList<audioDevice> getDeviceChoices();
virtual void setDeviceChoice(const QVariant &, Settings &);
};
class DXAudioInputRegistrar : public AudioInputRegistrar {
public:
DXAudioInputRegistrar();
virtual AudioInput *create();
virtual const QList<audioDevice> getDeviceChoices();
virtual void setDeviceChoice(const QVariant &, Settings &);
virtual bool canEcho(const QString &) const;
};
class DirectSoundInit : public DeferInit {
DXAudioInputRegistrar *airReg;
DXAudioOutputRegistrar *aorReg;
public:
DirectSoundInit() : airReg(NULL), aorReg(NULL) {}
void initialize();
void destroy();
};
static DirectSoundInit dsinit;
void DirectSoundInit::initialize() {
airReg = NULL;
aorReg = NULL;
#ifdef USE_WASAPI
OSVERSIONINFOEXW ovi;
memset(&ovi, 0, sizeof(ovi));
ovi.dwOSVersionInfoSize=sizeof(ovi);
GetVersionEx(reinterpret_cast<OSVERSIONINFOW *>(&ovi));
#ifdef QT_NO_DEBUG
if ((ovi.dwMajorVersion > 6) || ((ovi.dwMajorVersion == 6) && (ovi.dwBuildNumber >= 6001))) {
HMODULE hLib = LoadLibrary(L"AVRT.DLL");
if (hLib != NULL) {
FreeLibrary(hLib);
qWarning("DirectSound: Disabled as WASAPI is available");
return;
}
}
#endif
#endif
airReg = new DXAudioInputRegistrar();
aorReg = new DXAudioOutputRegistrar();
}
void DirectSoundInit::destroy() {
delete airReg;
delete aorReg;
}
DXAudioOutputRegistrar::DXAudioOutputRegistrar() : AudioOutputRegistrar(QLatin1String("DirectSound")) {
}
AudioOutput *DXAudioOutputRegistrar::create() {
return new DXAudioOutput();
}
typedef QPair<QString, GUID> dsDevice;
static BOOL CALLBACK DSEnumProc(LPGUID lpGUID, const WCHAR* lpszDesc,
const WCHAR*, void *ctx) {
if (lpGUID) {
QList<dsDevice> *l =reinterpret_cast<QList<dsDevice> *>(ctx);
*l << dsDevice(QString::fromUtf16(reinterpret_cast<const ushort*>(lpszDesc)), *lpGUID);
}
return(true);
}
const QList<audioDevice> DXAudioOutputRegistrar::getDeviceChoices() {
QList<dsDevice> qlOutput;
qlOutput << dsDevice(DXAudioOutput::tr("Default DirectSound Voice Output"), DSDEVID_DefaultVoicePlayback);
DirectSoundEnumerate(DSEnumProc, reinterpret_cast<void *>(&qlOutput));
QList<audioDevice> qlReturn;
const GUID *lpguid = NULL;
if (! g.s.qbaDXOutput.isEmpty()) {
lpguid = reinterpret_cast<LPGUID>(g.s.qbaDXOutput.data());
} else {
lpguid = &DSDEVID_DefaultVoicePlayback;
}
foreach(dsDevice d, qlOutput) {
if (d.second == *lpguid) {
qlReturn << audioDevice(d.first, QByteArray(reinterpret_cast<const char *>(&d.second), sizeof(GUID)));
}
}
foreach(dsDevice d, qlOutput) {
if (d.second != *lpguid) {
qlReturn << audioDevice(d.first, QByteArray(reinterpret_cast<const char *>(&d.second), sizeof(GUID)));
}
}
return qlReturn;
}
void DXAudioOutputRegistrar::setDeviceChoice(const QVariant &choice, Settings &s) {
s.qbaDXOutput = choice.toByteArray();
}
DXAudioInputRegistrar::DXAudioInputRegistrar() : AudioInputRegistrar(QLatin1String("DirectSound")) {
}
AudioInput *DXAudioInputRegistrar::create() {
return new DXAudioInput();
}
const QList<audioDevice> DXAudioInputRegistrar::getDeviceChoices() {
QList<dsDevice> qlInput;
qlInput << dsDevice(DXAudioInput::tr("Default DirectSound Voice Input"), DSDEVID_DefaultVoiceCapture);
DirectSoundCaptureEnumerate(DSEnumProc, reinterpret_cast<void *>(&qlInput));
QList<audioDevice> qlReturn;
const GUID *lpguid = NULL;
if (! g.s.qbaDXInput.isEmpty()) {
lpguid = reinterpret_cast<LPGUID>(g.s.qbaDXInput.data());
} else {
lpguid = &DSDEVID_DefaultVoiceCapture;
}
foreach(dsDevice d, qlInput) {
if (d.second == *lpguid) {
qlReturn << audioDevice(d.first, QByteArray(reinterpret_cast<const char *>(&d.second), sizeof(GUID)));
}
}
foreach(dsDevice d, qlInput) {
if (d.second != *lpguid) {
qlReturn << audioDevice(d.first, QByteArray(reinterpret_cast<const char *>(&d.second), sizeof(GUID)));
}
}
return qlReturn;
}
void DXAudioInputRegistrar::setDeviceChoice(const QVariant &choice, Settings &s) {
s.qbaDXInput = choice.toByteArray();
}
bool DXAudioInputRegistrar::canEcho(const QString &) const {
return false;
}
DXAudioOutput::DXAudioOutput() {
}
DXAudioOutput::~DXAudioOutput() {
bRunning = false;
wait();
}
void DXAudioOutput::run() {
HRESULT hr;
DSBUFFERDESC dsbdesc;
WAVEFORMATEXTENSIBLE wfx;
WAVEFORMATEXTENSIBLE wfxSet;
int ns = 0;
unsigned int chanmasks[32];
LPDIRECTSOUND8 pDS = NULL;
LPDIRECTSOUNDBUFFER pDSBPrimary = NULL;
LPDIRECTSOUNDBUFFER pDSBOutput = NULL;
LPDIRECTSOUNDNOTIFY8 pDSNotify = NULL;
int iLastwriteblock;
LPVOID aptr1, aptr2;
DWORD nbytes1, nbytes2;
int playblock;
int nowriteblock;
DWORD dwPlayPosition, dwWritePosition;
unsigned int iByteSize;
bool bOk;
DWORD dwSpeakerConfig;
bool failed = false;
bOk = false;
DWORD dwMask = 0;
bool bHead = false;
ZeroMemory(&dsbdesc, sizeof(DSBUFFERDESC));
dsbdesc.dwSize = sizeof(DSBUFFERDESC);
dsbdesc.dwFlags = DSBCAPS_PRIMARYBUFFER;
if (! g.s.qbaDXOutput.isEmpty()) {
LPGUID lpguid = reinterpret_cast<LPGUID>(g.s.qbaDXOutput.data());
if (FAILED(hr = DirectSoundCreate8(lpguid, &pDS, NULL))) {
failed = true;
}
}
if (! pDS && FAILED(hr = DirectSoundCreate8(&DSDEVID_DefaultVoicePlayback, &pDS, NULL))) {
qWarning("DXAudioOutput: DirectSoundCreate failed: hr=0x%08lx", hr);
goto cleanup;
} else if (FAILED(hr = pDS->SetCooperativeLevel(mumble_mw_hwnd, DSSCL_PRIORITY))) {
qWarning("DXAudioOutput: SetCooperativeLevel failed: hr=0x%08lx", hr);
goto cleanup;
} else if (FAILED(hr = pDS->CreateSoundBuffer(&dsbdesc, &pDSBPrimary, NULL))) {
qWarning("DXAudioOutput: CreateSoundBuffer (Primary) failed: hr=0x%08lx", hr);
goto cleanup;
}
pDS->GetSpeakerConfig(&dwSpeakerConfig);
switch (DSSPEAKER_CONFIG(dwSpeakerConfig)) {
case DSSPEAKER_HEADPHONE:
dwMask = KSAUDIO_SPEAKER_STEREO;
bHead = true;
break;
case DSSPEAKER_MONO:
dwMask = KSAUDIO_SPEAKER_MONO;
break;
case DSSPEAKER_QUAD:
dwMask = KSAUDIO_SPEAKER_QUAD;
break;
case DSSPEAKER_STEREO:
dwMask = KSAUDIO_SPEAKER_STEREO;
break;
case DSSPEAKER_SURROUND:
dwMask = KSAUDIO_SPEAKER_SURROUND;
break;
case DSSPEAKER_5POINT1:
dwMask = KSAUDIO_SPEAKER_5POINT1;
break;
case DSSPEAKER_7POINT1:
dwMask = KSAUDIO_SPEAKER_7POINT1;
break;
case DSSPEAKER_7POINT1_SURROUND:
dwMask = KSAUDIO_SPEAKER_7POINT1_SURROUND;
break;
case DSSPEAKER_5POINT1_SURROUND:
dwMask = KSAUDIO_SPEAKER_5POINT1_SURROUND;
break;
default:
dwMask = 0;
break;
}
if (! g.s.doPositionalAudio())
dwMask = KSAUDIO_SPEAKER_STEREO;
for (int i=0;i<32;i++) {
if (dwMask & (1 << i)) {
chanmasks[ns++] = 1 << i;
}
}
iMixerFreq = SAMPLE_RATE;
iChannels = ns;
eSampleFormat = SampleShort;
iByteSize = iFrameSize * sizeof(short) * ns;
ZeroMemory(&wfxSet, sizeof(wfxSet));
wfxSet.Format.wFormatTag = WAVE_FORMAT_PCM;
ZeroMemory(&wfx, sizeof(wfx));
wfx.Format.wFormatTag = WAVE_FORMAT_PCM;
wfx.Format.nChannels = qMax(ns, 2);
wfx.Format.nSamplesPerSec = SAMPLE_RATE;
wfx.Format.nBlockAlign = sizeof(short) * wfx.Format.nChannels;
wfx.Format.nAvgBytesPerSec = wfx.Format.nSamplesPerSec * wfx.Format.nBlockAlign;
wfx.Format.wBitsPerSample = 16;
if (FAILED(hr = pDSBPrimary->SetFormat(reinterpret_cast<WAVEFORMATEX *>(&wfx)))) {
qWarning("DXAudioOutput: SetFormat failed: hr=0x%08lx", hr);
goto cleanup;
}
if (FAILED(hr = pDSBPrimary->GetFormat(reinterpret_cast<WAVEFORMATEX *>(&wfxSet), sizeof(wfxSet), NULL))) {
qWarning("DXAudioOutput: GetFormat failed: hr=0x%08lx", hr);
goto cleanup;
}
qWarning("DXAudioOutput: Primary buffer of %ld Hz, %d channels, %d bits",wfxSet.Format.nSamplesPerSec,wfxSet.Format.nChannels,wfxSet.Format.wBitsPerSample);
ZeroMemory(&wfx, sizeof(wfx));
wfx.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
wfx.Format.nChannels = qMax(ns, 2);
wfx.Format.nSamplesPerSec = SAMPLE_RATE;
wfx.Format.nBlockAlign = sizeof(short) * wfx.Format.nChannels;
wfx.Format.nAvgBytesPerSec = wfx.Format.nSamplesPerSec * wfx.Format.nBlockAlign;
wfx.Format.wBitsPerSample = 16;
wfx.Format.cbSize = 32;
wfx.Samples.wValidBitsPerSample = wfx.Format.wBitsPerSample;
wfx.dwChannelMask = dwMask;
wfx.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
ZeroMemory(&dsbdesc, sizeof(DSBUFFERDESC));
dsbdesc.dwSize = sizeof(DSBUFFERDESC);
dsbdesc.dwFlags = DSBCAPS_GLOBALFOCUS|DSBCAPS_GETCURRENTPOSITION2;
dsbdesc.dwFlags |= DSBCAPS_CTRLPOSITIONNOTIFY;
dsbdesc.dwBufferBytes = wfx.Format.nChannels * iFrameSize * sizeof(short) * NBLOCKS;
dsbdesc.lpwfxFormat = reinterpret_cast<WAVEFORMATEX *>(&wfx);
if (FAILED(hr = pDS->CreateSoundBuffer(&dsbdesc, &pDSBOutput, NULL))) {
qWarning("DXAudioOutputUser: CreateSoundBuffer (Secondary) failed: hr=0x%08lx", hr);
goto cleanup;
}
if (FAILED(hr = pDSBOutput->QueryInterface(IID_IDirectSoundNotify, reinterpret_cast<void **>(&pDSNotify)))) {
qWarning("DXAudioOutputUser: QueryInterface (Notify) failed: hr=0x%08lx", hr);
goto cleanup;
}
qWarning("DXAudioOutputUser: New %dHz output buffer of %ld bytes", SAMPLE_RATE, dsbdesc.dwBufferBytes);
if (failed)
g.mw->msgBox(tr("Opening chosen DirectSound Output failed. Default device will be used."));
initializeMixer(chanmasks, bHead);
if (FAILED(hr = pDSBOutput->Lock(0, 0, &aptr1, &nbytes1, &aptr2, &nbytes2, DSBLOCK_ENTIREBUFFER))) {
qWarning("DXAudioOutputUser: Initial Lock failed: hr=0x%08lx", hr);
goto cleanup;
}
if (aptr1)
ZeroMemory(aptr1, nbytes1);
if (aptr2)
ZeroMemory(aptr2, nbytes2);
if (FAILED(hr = pDSBOutput->Unlock(aptr1, nbytes1, aptr2, nbytes2))) {
qWarning("DXAudioOutputUser: Initial Unlock failed: hr=0x%08lx", hr);
goto cleanup;
}
if (FAILED(hr = pDSBOutput->Play(0, 0, DSBPLAY_LOOPING))) {
qWarning("DXAudioOutputUser: Play failed: hr=0x%08lx", hr);
goto cleanup;
}
iLastwriteblock = (NBLOCKS - 1 + g.s.iOutputDelay) % NBLOCKS;
bOk = true;
while (bRunning && ! FAILED(hr)) {
if (FAILED(hr = pDSBOutput->GetCurrentPosition(&dwPlayPosition, &dwWritePosition))) {
qWarning("DXAudioOutputUser: GetCurrentPosition failed: hr=0x%08lx", hr);
break;
}
playblock = dwWritePosition / iByteSize;
nowriteblock = (playblock + g.s.iOutputDelay + 1) % NBLOCKS;
for (int block=(iLastwriteblock + 1) % NBLOCKS;(!FAILED(hr)) && (block!=nowriteblock);block=(block + 1) % NBLOCKS) {
iLastwriteblock = block;
if (FAILED(hr = pDSBOutput->Lock(block * iByteSize, iByteSize, &aptr1, &nbytes1, &aptr2, &nbytes2, 0))) {
qWarning("DXAudioOutput: Lock block %u (%d bytes) failed: hr=0x%08lx",block, iByteSize, hr);
break;
}
if (aptr2 || nbytes2) {
qWarning("DXAudioOutput: Split buffer");
break;
}
if (!aptr1 || ! nbytes1) {
qWarning("DXAudioOutput: Zerolock");
break;
}
if (! mix(reinterpret_cast<short *>(aptr1), iFrameSize))
ZeroMemory(aptr1, iByteSize);
if (FAILED(hr = pDSBOutput->Unlock(aptr1, nbytes1, aptr2, nbytes2))) {
qWarning("DXAudioOutput: Unlock %p(%lu) %p(%lu) failed: hr=0x%08lx",aptr1,nbytes1,aptr2,nbytes2,hr);
break;
}
if (FAILED(hr = pDSBOutput->GetCurrentPosition(&dwPlayPosition, &dwWritePosition))) {
qWarning("DXAudioOutputUser: GetCurrentPosition failed: hr=0x%08lx", hr);
break;
}
playblock = dwWritePosition / iByteSize;
nowriteblock = (playblock + g.s.iOutputDelay + 1) % NBLOCKS;
}
if (! FAILED(hr))
msleep(19);
}
if (FAILED(hr)) {
g.mw->msgBox(tr("Lost DirectSound output device."));
}
cleanup:
if (! bOk) {
g.mw->msgBox(tr("Opening chosen DirectSound Output failed. No audio will be heard."));
return;
}
if (pDSNotify)
pDSNotify->Release();
if (pDSBOutput) {
pDSBOutput->Stop();
pDSBOutput->Release();
}
if (pDSBPrimary)
pDSBPrimary->Release();
if (pDS)
pDS->Release();
}
#define NBUFFBLOCKS 50
DXAudioInput::DXAudioInput() {
}
DXAudioInput::~DXAudioInput() {
bRunning = false;
wait();
}
void DXAudioInput::run() {
LPDIRECTSOUNDCAPTURE8 pDSCapture;
LPDIRECTSOUNDCAPTUREBUFFER pDSCaptureBuffer;
LPDIRECTSOUNDNOTIFY8 pDSNotify;
DWORD dwBufferSize;
bool bOk;
DWORD dwReadPosition;
DWORD dwCapturePosition;
LPVOID aptr1, aptr2;
DWORD nbytes1, nbytes2;
HRESULT hr;
WAVEFORMATEX wfx;
DSCBUFFERDESC dscbd;
pDSCapture = NULL;
pDSCaptureBuffer = NULL;
pDSNotify = NULL;
bOk = false;
bool failed = false;
Timer t;
ZeroMemory(&wfx, sizeof(wfx));
wfx.wFormatTag = WAVE_FORMAT_PCM;
ZeroMemory(&dscbd, sizeof(dscbd));
dscbd.dwSize = sizeof(dscbd);
dscbd.dwBufferBytes = dwBufferSize = iFrameSize * sizeof(short) * NBUFFBLOCKS;
dscbd.lpwfxFormat = &wfx;
wfx.nChannels = 1;
wfx.nSamplesPerSec = iSampleRate;
wfx.nBlockAlign = 2;
wfx.nAvgBytesPerSec = wfx.nSamplesPerSec * wfx.nBlockAlign;
wfx.wBitsPerSample = 16;
// Create IDirectSoundCapture using the preferred capture device
if (! g.s.qbaDXInput.isEmpty()) {
LPGUID lpguid = reinterpret_cast<LPGUID>(g.s.qbaDXInput.data());
if (FAILED(hr = DirectSoundCaptureCreate8(lpguid, &pDSCapture, NULL))) {
failed = true;
}
}
if (! pDSCapture && FAILED(hr = DirectSoundCaptureCreate8(&DSDEVID_DefaultVoiceCapture, &pDSCapture, NULL)))
qWarning("DXAudioInput: DirectSoundCaptureCreate failed: hr=0x%08lx", hr);
else if (FAILED(hr = pDSCapture->CreateCaptureBuffer(&dscbd, &pDSCaptureBuffer, NULL)))
qWarning("DXAudioInput: CreateCaptureBuffer failed: hr=0x%08lx", hr);
else if (FAILED(hr = pDSCaptureBuffer->QueryInterface(IID_IDirectSoundNotify, reinterpret_cast<void **>(&pDSNotify))))
qWarning("DXAudioInput: QueryInterface (Notify) failed: hr=0x%08lx", hr);
else
bOk = true;
if (failed)
g.mw->msgBox(tr("Opening chosen DirectSound Input failed. Default device will be used."));
qWarning("DXAudioInput: Initialized");
if (! bOk)
goto cleanup;
if (FAILED(hr = pDSCaptureBuffer->Start(DSCBSTART_LOOPING))) {
qWarning("DXAudioInput: Start failed: hr=0x%08lx", hr);
} else {
DWORD dwReadyBytes = 0;
DWORD dwLastReadPos = 0;
float safety = 2.0f;
while (bRunning) {
bool firstsleep = true;
bool didsleep = false;
do {
if (FAILED(hr = pDSCaptureBuffer->GetCurrentPosition(&dwCapturePosition, &dwReadPosition))) {
qWarning("DXAudioInput: GetCurrentPosition failed: hr=0x%08lx", hr);
bRunning = false;
break;
}
if (dwReadPosition < dwLastReadPos)
dwReadyBytes = (dwBufferSize - dwLastReadPos) + dwReadPosition;
else
dwReadyBytes = dwReadPosition - dwLastReadPos;
if (static_cast<int>(dwReadyBytes) < sizeof(short) * iFrameSize) {
double msecleft = 20.0 - (dwReadyBytes * 20.0) / (sizeof(short) * iFrameSize);
if (didsleep)
safety *= 1.1f;
else if (firstsleep)
safety *= 0.998f;
int msec = static_cast<int>(msecleft + (firstsleep ? safety : 0.0));
msleep(msec);
didsleep = true;
firstsleep = false;
}
} while (static_cast<int>(dwReadyBytes) < sizeof(short) * iFrameSize);
// Desynchonized?
if (dwReadyBytes > (dwBufferSize / 2)) {
qWarning("DXAudioInput: Lost synchronization");
dwLastReadPos = dwReadPosition;
} else if (bRunning) {
if (FAILED(hr = pDSCaptureBuffer->Lock(dwLastReadPos, sizeof(short) * iFrameSize, &aptr1, &nbytes1, &aptr2, &nbytes2, 0))) {
qWarning("DXAudioInput: Lock from %ld (%d bytes) failed: hr=0x%08lx",dwLastReadPos, sizeof(short) * iFrameSize, hr);
bRunning = false;
break;
}
if (aptr1 && nbytes1)
CopyMemory(psMic, aptr1, nbytes1);
if (aptr2 && nbytes2)
CopyMemory(psMic+nbytes1/2, aptr2, nbytes2);
if (FAILED(hr = pDSCaptureBuffer->Unlock(aptr1, nbytes1, aptr2, nbytes2))) {
qWarning("DXAudioInput: Unlock failed: hr=0x%08lx", hr);
bRunning = false;
break;
}
dwLastReadPos = (dwLastReadPos + sizeof(short) * iFrameSize) % dwBufferSize;
encodeAudioFrame();
}
}
if (! FAILED(hr))
pDSCaptureBuffer->Stop();
}
if (FAILED(hr)) {
g.mw->msgBox(tr("Lost DirectSound input device."));
}
cleanup:
if (! bOk) {
g.mw->msgBox(tr("Opening chosen DirectSound Input device failed. No microphone capture will be done."));
}
if (pDSNotify)
pDSNotify->Release();
if (pDSCaptureBuffer)
pDSCaptureBuffer->Release();
if (pDSCapture)
pDSCapture->Release();
}
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