/* ////////////////////////// PUBLIC STATIC ///////////////////////////////// */
UtlString MpidWinMM::getDefaultDeviceName()
{
UtlString devName = "";
// Get windows default input device name
unsigned nDevs = waveInGetNumDevs();
if (nDevs == 0)
{
OsSysLog::add(FAC_AUDIO, PRI_ERR,
"MpidWinMM::getDefaultDeviceName: "
"No input audio devices present!");
}
assert(nDevs != 0);
MMRESULT wavResult = MMSYSERR_NOERROR;
WAVEINCAPS devCaps;
int defaultWinDeviceId = 0;
wavResult =
waveInGetDevCaps(defaultWinDeviceId, &devCaps, sizeof(devCaps));
if (wavResult != MMSYSERR_NOERROR)
{
OsSysLog::add(FAC_AUDIO, PRI_ERR,
"MpodWinMM::getDefaultDeviceName: "
"Couldn't get default input device capabilities!");
showWaveError("WINDOWS_DEFAULT_DEVICE_HACK",
wavResult, -1, __LINE__);
}
else
{
devName = devCaps.szPname;
}
assert(wavResult == MMSYSERR_NOERROR);
return devName;
}
// This function will attempt to open a user specified audio device.
// If it fails, we will try to open any audio device that meets our requested format
// If we still fail, we will return 0, and display a message.
// TODO: Seems we have a problem when no audio device can be found. No calls can be made.
// I recommend we bubble this up to java and display a message.
static int openAudioOut(int desiredDeviceId, HWAVEOUT *pAudioOutH,int nChannels, int nSamplesPerSec, int nBitsPerSample)
{
WAVEFORMATEX fmt;
MMRESULT res;
*pAudioOutH = NULL;
fmt.wFormatTag = WAVE_FORMAT_PCM;
fmt.nChannels = nChannels;
fmt.nSamplesPerSec = nSamplesPerSec;
fmt.nAvgBytesPerSec = (nChannels * nSamplesPerSec * nBitsPerSample) / 8;
fmt.nBlockAlign = (nChannels * nBitsPerSample) / 8;
fmt.wBitsPerSample = nBitsPerSample;
fmt.cbSize = 0;
res = waveOutOpen(
pAudioOutH, // handle (will be filled in)
desiredDeviceId, // select the device specified by user
&fmt, // format
(DWORD) speakerCallbackProc,// callback entry
GetCurrentThreadId(), // instance data
CALLBACK_FUNCTION); // callback function specified
//if we fail to open the audio device above, then we
//will try to open any device that will hande the requested format
if (res != MMSYSERR_NOERROR)
res = waveOutOpen(
pAudioOutH, // handle (will be filled in)
WAVE_MAPPER, // select any device able to handle this format
&fmt, // format
(DWORD) speakerCallbackProc,// callback entry
GetCurrentThreadId(), // instance data
CALLBACK_FUNCTION); // callback function specified
if (res != MMSYSERR_NOERROR)
{
//hmm, couldn't open any audio device... things don't look good at this point
showWaveError("waveOutOpen", res, -1, __LINE__);
waveOutClose(*pAudioOutH);
*pAudioOutH = NULL;
return 0;
}
else
{
return 1;
}
}
void MpidWinMM::processAudioInput(HWAVEIN hwi,
UINT uMsg,
void* dwParam1)
{
if (!mIsOpen)
{
assert(uMsg == WIM_OPEN);
if (uMsg == WIM_OPEN)
{
// printf("received WIM_OPEN\n"); fflush(stdout);
mIsOpen = TRUE;
}
}
if (uMsg == WIM_DATA)
{
// printf("received WIM_DATA\n"); fflush(stdout);
assert(mIsOpen);
WAVEHDR* pWaveHdr = (WAVEHDR*)dwParam1;
assert(pWaveHdr->dwBufferLength
== (mSamplesPerFrame*sizeof(MpAudioSample)));
assert(pWaveHdr->lpData != NULL);
// Only process if we're enabled..
if(mIsEnabled)
{
#ifdef TEST_PRINT
OsSysLog::add(FAC_MP, PRI_DEBUG,
"MpidWinMM::processAudioInput got frame device: %d (%s)",
getDeviceId(), getDeviceName().data());
#endif
mpInputDeviceManager->pushFrame(mDeviceId,
mSamplesPerFrame,
(MpAudioSample*)pWaveHdr->lpData,
mCurrentFrameTime);
// Ok, we have received and pushed a frame to the manager,
// Now we advance the frame time.
mCurrentFrameTime += (mSamplesPerFrame*1000)/mSamplesPerSec;
}
else
{
OsSysLog::add(FAC_MP, PRI_DEBUG,
"MpidWinMM::processAudioInput input device: %d (%s) disabled",
getDeviceId(), getDeviceName().data());
}
if(mIsEnabled)
{
// Put the wave header back in the pool..
MMRESULT res = MMSYSERR_NOERROR;
res = waveInAddBuffer(mDevHandle, pWaveHdr, sizeof(WAVEHDR));
if (res != MMSYSERR_NOERROR)
{
showWaveError("waveInAddBuffer", res, -1, __LINE__);
mnAddBufferFailures++;
if(mnAddBufferFailures >= mNumInBuffers)
{
waveInClose(mDevHandle);
mDevHandle = NULL;
mWinMMDeviceId = -1;
}
}
}
}
else if (uMsg == WIM_CLOSE)
{
// printf("received WIM_CLOSE\n"); fflush(stdout);
mIsOpen = FALSE;
}
}
OsStatus MpidWinMM::disableDevice()
{
OsStatus status = OS_SUCCESS;
MMRESULT res;
if (!isDeviceValid() || !isEnabled())
{
return OS_FAILED;
}
// Indicate we are no longer enabled -- Do this first,
// since we'll be partially disabled from here on out.
// It is very important that this happen *before* waveInReset,
// as the callback will continue to add and process buffers
// while waveInReset is called causing a deadlock.
mIsEnabled = FALSE;
// Cleanup
if (mDevHandle == NULL)
{
return OS_INVALID_STATE;
}
// Reset performs a stop, resets the buffers, and marks them
// for being sent to the callback.
// The remaining data in the windows buffers *IS* sent to the callback,
// So be sure to watch for it and drop it on the floor.
res = waveInReset(mDevHandle);
if (res != MMSYSERR_NOERROR)
{
showWaveError("waveInReset", res, -1, __LINE__);
}
// Must unprepare the headers after a reset, but before the device is closed
// (if this is done after waveInClose, mDevHandle will be invalid and
// MMSYSERR_INVALHANDLE will be returned.
unsigned i;
for (i=0; i < mNumInBuffers; i++)
{
res = waveInUnprepareHeader(mDevHandle, &mpWaveHeaders[i], sizeof(WAVEHDR));
if (res != MMSYSERR_NOERROR)
{
showWaveError("waveInUnprepareHeader", res, i, __LINE__);
}
}
res = waveInClose(mDevHandle);
if (res != MMSYSERR_NOERROR)
{
showWaveError("waveInClose", res, -1, __LINE__);
}
// Delete the buffers that were allocated in enableDevice()
for (i = 0; i < mNumInBuffers; i++)
{
delete[] mpWaveBuffers[i];
mpWaveBuffers[i] = NULL;
}
// set the device handle to NULL, since it no longer is valid.
mDevHandle = NULL;
// Clear out all the wave header information.
mSamplesPerFrame = 0;
mSamplesPerSec = 0;
mCurrentFrameTime = 0;
return status;
}
OsStatus MpidWinMM::enableDevice(unsigned samplesPerFrame,
unsigned samplesPerSec,
MpFrameTime currentFrameTime)
{
OsStatus status = OS_SUCCESS;
// reset the number of addBuffer failures, as we're starting fresh now.
mnAddBufferFailures = 0;
// If the device is not valid, let the user know it's bad.
if (!isDeviceValid())
{
return OS_INVALID_STATE; // perhaps new OsState of OS_RESOURCE_INVALID?
}
if (isEnabled())
{
return OS_FAILED;
}
// Set some wave header stat information.
mSamplesPerFrame = samplesPerFrame;
mSamplesPerSec = samplesPerSec;
mCurrentFrameTime = currentFrameTime;
// Do stuff to enable device.
int nChannels = 1;
WAVEFORMATEX wavFormat;
wavFormat.wFormatTag = WAVE_FORMAT_PCM;
wavFormat.nChannels = nChannels;
wavFormat.nSamplesPerSec = mSamplesPerSec;
wavFormat.nAvgBytesPerSec =
nChannels * mSamplesPerSec * sizeof(MpAudioSample);
wavFormat.nBlockAlign = nChannels * sizeof(MpAudioSample);
wavFormat.wBitsPerSample = sizeof(MpAudioSample) * 8;
wavFormat.cbSize = 0;
// Tell windows to open the input audio device. This doesn't
// tell it to send the data to our callback yet, just to get it ready
// to do so..
MMRESULT res = waveInOpen(&mDevHandle, mWinMMDeviceId,
&wavFormat,
(CBTYPE)waveInCallbackStatic,
(CBTYPE)this,
CALLBACK_FUNCTION);
if (res != MMSYSERR_NOERROR)
{
// If waveInOpen failed, print out the error info,
// invalidate the handle, and the device driver itself,
status = OS_FAILED;
showWaveError("MpidWinMM::enableDevice", res, -1, __LINE__);
waveInClose(mDevHandle);
mDevHandle = NULL; // Open didn't work, reset device handle to NULL
mWinMMDeviceId = -1; // Make device invalid.
// and return OS_FAILED.
return status;
}
// Allocate the buffers we are going to use to receive audio data from
// the windows audio input callback.
// Calculate the buffer length we're going to use.
// number of samples per frame * sample size in bytes
mWaveBufSize = mSamplesPerFrame * sizeof(MpAudioSample);
unsigned i;
for (i = 0; i < mNumInBuffers; i++)
{
mpWaveBuffers[i] = new char[mWaveBufSize];
}
// Setup the buffers so windows can stuff them full of audio
// when it becomes available from this audio input device.
WAVEHDR* pWaveHdr = NULL;
for (i=0; i < mNumInBuffers; i++)
{
pWaveHdr = initWaveHeader(i);
res = waveInPrepareHeader(mDevHandle, pWaveHdr, sizeof(WAVEHDR));
if (res != MMSYSERR_NOERROR)
{
showWaveError("waveInPrepareHeader", res, i, __LINE__);
waveInClose(mDevHandle);
mDevHandle = NULL;
mWinMMDeviceId = -1;
// and return OS_FAILED.
return status;
}
res = waveInAddBuffer(mDevHandle, pWaveHdr, sizeof(WAVEHDR));
if (res != MMSYSERR_NOERROR)
{
showWaveError("waveInAddBuffer", res, i, __LINE__);
waveInClose(mDevHandle);
mDevHandle = NULL;
mWinMMDeviceId = -1;
// and return OS_FAILED.
return status;
}
}
// Tell windows to start sending audio data to the callback.
res = waveInStart(mDevHandle);
if (res != MMSYSERR_NOERROR)
{
// If waveInStart failed, print out the error info,
// invalidate the handle and the device driver itself,
status = OS_FAILED;
showWaveError("waveInStart", res, -1, __LINE__);
waveInClose(mDevHandle);
mDevHandle = NULL;
mWinMMDeviceId = -1;
// and return OS_FAILED.
return status;
}
// If enableDevice failed, return indicating failure.
if (status == OS_SUCCESS)
{
mIsEnabled = TRUE;
}
return status;
}
unsigned int __stdcall SpkrThread(LPVOID Unused)
{
int i;
DWORD bufLen = ((N_SAMPLES * BITS_PER_SAMPLE) / 8);
WAVEHDR* pWH;
MMRESULT ret;
int played;
OsMsg *pMsg = NULL;
OsIntPtrMsg *pSpeakerMsg = NULL;
BOOL bGotMsg ;
int n;
bool bDone ;
static bool sLastRingerEnabled = false;
OsStatus res;
static bool bRunning = false ;
HWAVEOUT hOut = NULL;
UINT timerId=0;
// Verify that only 1 instance of the MicThread is running
if (bRunning)
{
ResumeThread(hMicThread);
return 1 ;
}
else
{
bRunning = true ;
}
ResumeThread(hMicThread);
#ifdef OHISTORY /* [ */
WAVEHDR* lastWH[OHISTORY];
int lastInd[OHISTORY];
int last = 0;
for (i=0;i<OHISTORY;i++)
{
lastWH[i] = 0;
lastInd[i] = 0;
}
memset(histOut, 0xff, sizeof(histOut));
lastOut = 0;
#endif /* OHISTORY ] */
// Initialize headers
for (i=0; i<N_OUT_BUFFERS; i++)
{
hOutHdr[i] = hOutBuf[i] = NULL;
pOutHdr[i] = NULL;
}
if (openSpeakerDevices(pWH, hOut))
{
// NOT using a sound card
// Set up a 10ms timer to call back to this routine
timerId = timeSetEvent(10, 0, TimerCallbackProc, GetCurrentThreadId(), TIME_PERIODIC);
}
played = 0;
bDone = false ;
while (!bDone)
{
bGotMsg = (gSpeakerStatusQueue->receive(pMsg) == OS_SUCCESS);
// when switching devices, ringer to in-call we need to make
// sure any outstanding buffers are flushed
if (sLastRingerEnabled != DmaTask::isRingerEnabled())
{
if (audioOutH)
{
ret = waveOutReset(audioOutH);
}
if (audioOutCallH)
{
ret = waveOutReset(audioOutCallH);
}
if (ret != MMSYSERR_NOERROR)
{
showWaveError("waveOutReset", ret, -1, __LINE__);
}
else
{
waitForDeviceResetCompletion();
}
}
if (bGotMsg && pMsg)
{
pSpeakerMsg = (OsIntPtrMsg*)pMsg;
intptr_t msgType = pSpeakerMsg->getData1();
intptr_t data2 = pSpeakerMsg->getData2();
pSpeakerMsg->releaseMsg();
pSpeakerMsg = NULL;
pMsg = NULL;
switch (msgType)
{
case WM_ALT_HEARTBEAT:
OsSysLog::add(FAC_MP, PRI_DEBUG,
"SpeakerThreadWnt invoking MpMediaTask::signalFrameStart from timer message");
res = MpMediaTask::signalFrameStart();
switch (res)
{
case OS_SUCCESS:
frameCount++;
break;
#ifdef DEBUG_WINDOZE /* [ */
case OS_LIMIT_REACHED:
// Should bump missed frame statistic
osPrintf(" Frame %d: OS_LIMIT_REACHED\n", frameCount);
break;
case OS_WAIT_TIMEOUT:
// Should bump missed frame statistic
osPrintf(" Frame %d: OS_WAIT_TIMEOUT\n", frameCount);
break;
case OS_ALREADY_SIGNALED:
// Should bump missed frame statistic
osPrintf(" Frame %d: OS_ALREADY_SIGNALED\n", frameCount);
break;
default:
osPrintf("Frame %d, signalFrameStart() returned %d\n",
frameCount, res);
break;
#else /* DEBUG_WINDOZE ] [ */
case OS_LIMIT_REACHED:
case OS_WAIT_TIMEOUT:
case OS_ALREADY_SIGNALED:
default:
// Should bump missed frame statistic
break;
#endif /* DEBUG_WINDOZE ] */
}
// Check for a changed speaker device
if (DmaTask::isOutputDeviceChanged())
{
DmaTask::clearOutputDeviceChanged() ;
closeSpeakerDevices() ;
if (audioOutH)
{
ret = waveOutReset(audioOutH);
}
if (audioOutCallH)
{
ret = waveOutReset(audioOutCallH);
}
if (ret != MMSYSERR_NOERROR)
{
showWaveError("waveOutReset", ret, -1, __LINE__);
}
else
{
waitForDeviceResetCompletion();
}
// Kill the hearbeat timer if it exists
if (timerId>0)
timeKillEvent(timerId);
if (openSpeakerDevices(pWH, hOut))
{
// Open failed - so start the heartbeat timer
timerId = timeSetEvent(10, 0, TimerCallbackProc, GetCurrentThreadId(), TIME_PERIODIC);
}
continue ;
}
break ;
case WOM_DONE:
pWH = (WAVEHDR *) data2;
n = (pWH->dwUser) & USER_BUFFER_MASK;
#ifdef OHISTORY /* [ */
lastWH[last] = pWH;
lastInd[last] = n;
last = (last + 1) % OHISTORY;
if (N_OUT_BUFFERS == played) {
osPrintf("after first %d buffers:", played + 1);
osPrintf("\nCall Backs:");
for (i=0; i<OHISTORY; i++) {
osPrintf("%c%3d", (0 == (i % 20)) ? '\n' : ' ',
histOut[i]);
}
osPrintf("\n\nMessages:");
for (i=0; i<OHISTORY; i++) {
osPrintf("%c%3d", (0 == (i % 20)) ? '\n' : ' ',
lastInd[i]);
}
osPrintf("\n");
}
#endif /* OHISTORY ] */
if (DmaTask::isOutputDeviceChanged())
{
DmaTask::clearOutputDeviceChanged() ;
closeSpeakerDevices() ;
if (openSpeakerDevices(pWH, hOut))
{
if (timerId>0)
timeKillEvent(timerId);
timerId = timeSetEvent(10, 0, TimerCallbackProc, GetCurrentThreadId(), TIME_PERIODIC);
}
continue ;
}
hOut = selectSpeakerDevice() ;
if (hOut)
{
ret = waveOutUnprepareHeader(hOut, pWH, sizeof(WAVEHDR));
if (ret != MMSYSERR_NOERROR)
{
showWaveError("waveOutUnprepareHeader", ret, played, __LINE__);
}
outPostUnprep(n, false);
pWH = outPrePrep(n, bufLen);
ret = waveOutPrepareHeader(hOut, pWH, sizeof(WAVEHDR));
if (ret != MMSYSERR_NOERROR)
{
showWaveError("waveOutPrepareHeader", ret, played, __LINE__);
}
ret = waveOutWrite(hOut, pWH, sizeof(WAVEHDR));
if (ret != MMSYSERR_NOERROR)
{
showWaveError("waveOutWrite", ret, played, __LINE__);
}
played++;
}
OsSysLog::add(FAC_MP, PRI_DEBUG,
"SpeakerThreadWnt invoking MpMediaTask::signalFrameStart from WOM_DONE message");
res = MpMediaTask::signalFrameStart();
switch (res)
{
#ifdef DEBUG_WINDOZE /* [ */
case OS_SUCCESS:
frameCount++;
osPrintf(" Frame %d: OS_SUCCESSFUL\n", frameCount);
break;
case OS_LIMIT_REACHED:
// Should bump missed frame statistic
osPrintf(" Frame %d: OS_LIMIT_REACHED\n", frameCount);
break;
case OS_WAIT_TIMEOUT:
// Should bump missed frame statistic
osPrintf(" Frame %d: OS_WAIT_TIMEOUT\n", frameCount);
break;
case OS_ALREADY_SIGNALED:
// Should bump missed frame statistic
osPrintf(" Frame %d: OS_ALREADY_SIGNALED\n", frameCount);
break;
default:
osPrintf("Frame %d, signalFrameStart() returned %d\n",
frameCount, res);
break;
#else /* DEBUG_WINDOZE ] [ */
case OS_SUCCESS:
frameCount++;
break;
case OS_LIMIT_REACHED:
case OS_WAIT_TIMEOUT:
case OS_ALREADY_SIGNALED:
default:
// Should bump missed frame statistic
break;
#endif /* DEBUG_WINDOZE ] */
}
break;
case WOM_CLOSE:
// Audio device was closed on us (doesn't happen as far as I
// know)
bDone = true ;
break;
default:
break;
}
}
else
{
// Sky is falling, kick out so that we don't spin a high priority
// thread.
bDone = true ;
}
// record our last ringer state
sLastRingerEnabled = DmaTask::isRingerEnabled();
}
// Stop heartbeat timer if it exist
if (timerId>0)
timeKillEvent(timerId);
closeSpeakerDevices() ;
bRunning = false ;
return 0;
}
void closeSpeakerDevices()
{
MMRESULT ret;
int i ;
// Clean up ringer audio
if (audioOutH)
{
ret = waveOutReset(audioOutH);
if (ret != MMSYSERR_NOERROR)
{
showWaveError("waveOutReset", ret, -1, __LINE__);
}
else
{
waitForDeviceResetCompletion();
}
for (i=0; i<N_OUT_BUFFERS; i++)
{
if (NULL != hOutHdr[i])
{
ret = waveOutUnprepareHeader(audioOutH, pOutHdr[i], sizeof(WAVEHDR));
if (ret != MMSYSERR_NOERROR)
{
showWaveError("waveOutUnprepareHeader", ret, i, __LINE__);
}
outPostUnprep(i, TRUE);
}
}
ret = waveOutClose(audioOutH);
if (ret != MMSYSERR_NOERROR)
{
showWaveError("waveOutClose", ret, -1, __LINE__);
}
audioOutH = NULL;
waitForSpeakerStatusMessage(WOM_CLOSE);
}
// Clean up call audio
if (audioOutCallH)
{
ret = waveOutReset(audioOutCallH);
if (ret != MMSYSERR_NOERROR)
{
showWaveError("waveOutReset", ret, -1, __LINE__);
}
else
{
waitForDeviceResetCompletion();
}
for (i=0; i<N_OUT_BUFFERS; i++)
{
if (NULL != hOutHdr[i])
{
ret = waveOutUnprepareHeader(audioOutCallH, pOutHdr[i], sizeof(WAVEHDR));
if (ret != MMSYSERR_NOERROR)
{
showWaveError("waveOutUnprepareHeader", ret, i, __LINE__);
}
outPostUnprep(i, true);
}
}
ret = waveOutClose(audioOutCallH);
if (ret != MMSYSERR_NOERROR)
{
showWaveError("waveOutClose", ret, -1, __LINE__);
}
audioOutCallH = NULL;
waitForSpeakerStatusMessage(WOM_CLOSE);
}
}
static int openSpeakerDevices(WAVEHDR*& pWH, HWAVEOUT& hOut)
{
DWORD bufLen = ((N_SAMPLES * BITS_PER_SAMPLE) / 8);
int i ;
MMRESULT ret;
// set the different device ids
gRingDeviceId = WAVE_MAPPER;
gCallDeviceId = WAVE_MAPPER;
// If either the ringer or call device is set to NONE, don't engage any audio devices
if ((strcasecmp(DmaTask::getRingDevice(), "NONE") == 0) ||
(strcasecmp(DmaTask::getCallDevice(), "NONE") == 0))
{
ResumeThread(hMicThread);
return 1;
}
/*
* Select in-call / ringer devices
*/
int ii;
WAVEOUTCAPS devcaps;
int numberOfDevicesOnSystem = waveOutGetNumDevs();
for(ii=0; ii<numberOfDevicesOnSystem; ii++)
{
waveOutGetDevCaps(ii,&devcaps,sizeof(WAVEOUTCAPS));
if (strcmp(devcaps.szPname, DmaTask::getRingDevice())==0)
{
gRingDeviceId = ii;
OsSysLog::add(FAC_MP, PRI_DEBUG,
"SpkrThread: Selected ring device: %s\n",devcaps.szPname);
}
if (strcmp(devcaps.szPname, DmaTask::getCallDevice())==0)
{
gCallDeviceId = ii;
OsSysLog::add(FAC_MP, PRI_DEBUG,
"SpkrThread: Selected call device: %s\n",devcaps.szPname);
}
}
/*
* Open ringer device
*/
if (!openAudioOut(gRingDeviceId, &audioOutH, 1, SAMPLES_PER_SEC, BITS_PER_SAMPLE))
{
OsSysLog::add(FAC_MP, PRI_DEBUG,
"SpkrThread: Failed to open ring audio output channel\n\n");
ResumeThread(hMicThread);
return 1;
}
waitForSpeakerStatusMessage(WOM_OPEN);
/*
* Open in-call device
*/
if (!openAudioOut(gCallDeviceId,&audioOutCallH, 1, SAMPLES_PER_SEC, BITS_PER_SAMPLE))
{
OsSysLog::add(FAC_MP, PRI_DEBUG,
"SpkrThread: Failed to open call audio output channel\n\n");
ResumeThread(hMicThread);
return 1;
}
waitForSpeakerStatusMessage(WOM_OPEN);
// Pre load some data
for (i=0; i<smSpkrQPreload; i++)
{
pWH = outPrePrep(i, bufLen);
hOut = selectSpeakerDevice() ;
if (hOut)
{
ret = waveOutPrepareHeader(hOut, pWH, sizeof(WAVEHDR));
if (ret != MMSYSERR_NOERROR)
{
showWaveError("waveOutPrepareHeader", ret, i, __LINE__);
}
ret = waveOutWrite(hOut, pWH, sizeof(WAVEHDR));
if (ret != MMSYSERR_NOERROR)
{
showWaveError("waveOutWrite", ret, i, __LINE__);
}
}
}
return 0 ;
}
void closeSpeakerDevices()
{
MMRESULT ret;
int i ;
MSG tMsg;
BOOL bSuccess ;
// Clean up ringer audio
if (audioOutH)
{
ret = waveOutReset(audioOutH);
Sleep(100) ;
if (ret != MMSYSERR_NOERROR)
{
showWaveError("waveOutReset", ret, -1, __LINE__);
}
for (i=0; i<N_OUT_BUFFERS; i++)
{
if (NULL != hOutHdr[i])
{
ret = waveOutUnprepareHeader(audioOutH, pOutHdr[i], sizeof(WAVEHDR));
if (ret != MMSYSERR_NOERROR)
{
showWaveError("waveOutUnprepareHeader", ret, i, __LINE__);
}
outPostUnprep(i, TRUE);
}
}
ret = waveOutClose(audioOutH);
if (ret != MMSYSERR_NOERROR)
{
showWaveError("waveOutClose", ret, -1, __LINE__);
}
audioOutH = NULL;
do
{
bSuccess = GetMessage(&tMsg, NULL, 0, 0) ;
} while (bSuccess && (tMsg.message != WOM_CLOSE)) ;
}
// Clean up call audio
if (audioOutCallH)
{
ret = waveOutReset(audioOutCallH);
Sleep(100) ;
if (ret != MMSYSERR_NOERROR)
{
showWaveError("waveOutReset", ret, -1, __LINE__);
}
for (i=0; i<N_OUT_BUFFERS; i++)
{
if (NULL != hOutHdr[i])
{
ret = waveOutUnprepareHeader(audioOutCallH, pOutHdr[i], sizeof(WAVEHDR));
if (ret != MMSYSERR_NOERROR)
{
showWaveError("waveOutUnprepareHeader", ret, i, __LINE__);
}
outPostUnprep(i, true);
}
}
ret = waveOutClose(audioOutCallH);
if (ret != MMSYSERR_NOERROR)
{
showWaveError("waveOutClose", ret, -1, __LINE__);
}
audioOutCallH = NULL;
do
{
bSuccess = GetMessage(&tMsg, NULL, 0, 0) ;
} while (bSuccess && (tMsg.message != WOM_CLOSE)) ;
}
}
unsigned int __stdcall SpkrThread(LPVOID Unused)
{
int i;
DWORD bufLen = ((N_SAMPLES * BITS_PER_SAMPLE) / 8);
WAVEHDR* pWH;
MMRESULT ret;
int played;
MSG tMsg;
BOOL bGotMsg ;
int n;
bool bDone ;
static bool sLastRingerEnabled = false;
OsStatus res;
static bool bRunning = false ;
HWAVEOUT hOut = NULL;
// Verify that only 1 instance of the MicThread is running
if (bRunning)
{
ResumeThread(hMicThread);
return 1 ;
}
else
{
bRunning = true ;
}
ResumeThread(hMicThread);
#ifdef OHISTORY /* [ */
WAVEHDR* lastWH[OHISTORY];
int lastInd[OHISTORY];
int last = 0;
for (i=0;i<OHISTORY;i++)
{
lastWH[i] = 0;
lastInd[i] = 0;
}
memset(histOut, 0xff, sizeof(histOut));
lastOut = 0;
#endif /* OHISTORY ] */
// Initialize headers
for (i=0; i<N_OUT_BUFFERS; i++)
{
hOutHdr[i] = hOutBuf[i] = NULL;
pOutHdr[i] = NULL;
}
if (openSpeakerDevices(pWH, hOut))
{
// NOT using a sound card
// Set up a 10ms timer to call back to this routine
timeSetEvent(10, 0, TimerCallbackProc, GetCurrentThreadId(), TIME_PERIODIC);
}
played = 0;
bDone = false ;
while (!bDone)
{
bGotMsg = GetMessage(&tMsg, NULL, 0, 0);
// when switching devices, ringer to in-call we need to make
// sure any outstanding buffers are flushed
if (sLastRingerEnabled != DmaTask::isRingerEnabled())
{
if (audioOutH)
{
waveOutReset(audioOutH);
}
if (audioOutCallH)
{
waveOutReset(audioOutCallH);
}
}
if (bGotMsg)
{
switch (tMsg.message)
{
case WM_ALT_HEARTBEAT:
res = MpMediaTask::signalFrameStart();
switch (res)
{
case OS_SUCCESS:
frameCount++;
break;
case OS_LIMIT_REACHED:
case OS_WAIT_TIMEOUT:
case OS_ALREADY_SIGNALED:
default:
// Should bump missed frame statistic
break;
}
break ;
case WOM_DONE:
pWH = (WAVEHDR *) tMsg.wParam;
n = (pWH->dwUser) & USER_BUFFER_MASK;
#ifdef OHISTORY /* [ */
lastWH[last] = pWH;
lastInd[last] = n;
last = (last + 1) % OHISTORY;
if (N_OUT_BUFFERS == played) {
osPrintf("after first %d buffers:", played + 1);
osPrintf("\nCall Backs:");
for (i=0; i<OHISTORY; i++) {
osPrintf("%c%3d", (0 == (i % 20)) ? '\n' : ' ',
histOut[i]);
}
osPrintf("\n\nMessages:");
for (i=0; i<OHISTORY; i++) {
osPrintf("%c%3d", (0 == (i % 20)) ? '\n' : ' ',
lastInd[i]);
}
osPrintf("\n");
}
#endif /* OHISTORY ] */
if (DmaTask::isOutputDeviceChanged())
{
DmaTask::clearOutputDeviceChanged() ;
closeSpeakerDevices() ;
if (openSpeakerDevices(pWH, hOut))
{
timeSetEvent(10, 0, TimerCallbackProc, GetCurrentThreadId(), TIME_PERIODIC);
}
continue ;
}
hOut = selectSpeakerDevice() ;
if (hOut)
{
ret = waveOutUnprepareHeader(hOut, pWH, sizeof(WAVEHDR));
if (ret != MMSYSERR_NOERROR)
{
showWaveError("waveOutUnprepareHeader", ret, played, __LINE__);
}
outPostUnprep(n, false);
pWH = outPrePrep(n, bufLen);
ret = waveOutPrepareHeader(hOut, pWH, sizeof(WAVEHDR));
if (ret != MMSYSERR_NOERROR)
{
showWaveError("waveOutPrepareHeader", ret, played, __LINE__);
}
ret = waveOutWrite(hOut, pWH, sizeof(WAVEHDR));
if (ret != MMSYSERR_NOERROR)
{
showWaveError("waveOutWrite", ret, played, __LINE__);
/* RL < */
if (ret == MMSYSERR_NODRIVER) {
closeSpeakerDevices() ;
if (openSpeakerDevices(pWH, hOut))
{
timeSetEvent(10, 0, TimerCallbackProc, GetCurrentThreadId(), TIME_PERIODIC);
}
continue;
}
/* RL > */
}
played++;
}
res = MpMediaTask::signalFrameStart();
switch (res)
{
case OS_SUCCESS:
frameCount++;
break;
#ifdef DEBUG_WINDOZE /* [ */
case OS_LIMIT_REACHED:
// Should bump missed frame statistic
osPrintf(" Frame %d: OS_LIMIT_REACHED\n", frameCount);
break;
case OS_WAIT_TIMEOUT:
// Should bump missed frame statistic
osPrintf(" Frame %d: OS_WAIT_TIMEOUT\n", frameCount);
break;
case OS_ALREADY_SIGNALED:
// Should bump missed frame statistic
osPrintf(" Frame %d: OS_ALREADY_SIGNALED\n", frameCount);
break;
default:
osPrintf("Frame %d, signalFrameStart() returned %d\n",
frameCount, res);
break;
#else /* DEBUG_WINDOZE ] [ */
case OS_LIMIT_REACHED:
case OS_WAIT_TIMEOUT:
case OS_ALREADY_SIGNALED:
default:
// Should bump missed frame statistic
break;
#endif /* DEBUG_WINDOZE ] */
}
break;
case WOM_CLOSE:
// Audio device was closed on us (doesn't happen as far as I
// know)
bDone = true ;
break;
default:
break;
}
}
else
{
// Sky is falling, kick out so that we don't spin a high priority
// thread.
bDone = true ;
}
// record our last ringer state
sLastRingerEnabled = DmaTask::isRingerEnabled();
}
closeSpeakerDevices() ;
bRunning = false ;
return 0;
}
