void MpodAndroid::audioCallback(int event, void* user, void *info)
{
//LOGV("MpodAndroid::audioCallback(event=%d)\n", event);
RTL_BLOCK("MpodAndroid::audioCallback");
bool lSignal = false;
if (event != MpAndroidAudioTrack::EVENT_MORE_DATA)
{
LOGV("MpodAndroid::audioCallback(event=%d)\n", event);
return;
}
MpAndroidAudioTrack::Buffer *buffer = static_cast<MpAndroidAudioTrack::Buffer *>(info);
MpodAndroid *pDriver = static_cast<MpodAndroid *>(user);
// Start accessing non-atomic member variables
AutoMutex autoLock(pDriver->mLock);
int samplesToCopy = sipx_min(buffer->frameCount,
pDriver->mSamplesPerFrame-pDriver->mSampleBufferIndex);
#ifdef ENABLE_FRAME_TIME_LOGGING
LOGV("MpodAndroid::audioCallback() buffer=%p samples=%d size=%d toCopy=%d\n",
buffer->i16, buffer->frameCount, buffer->size, samplesToCopy);
#endif
RTL_EVENT("MpodAndroid::audioCallback_bufsize", samplesToCopy);
// Copy data to buffer
memcpy(buffer->i16, pDriver->mpSampleBuffer+pDriver->mSampleBufferIndex, samplesToCopy*sizeof(short));
buffer->frameCount = samplesToCopy;
buffer->size = samplesToCopy*sizeof(short);
pDriver->mSampleBufferIndex += samplesToCopy;
#ifdef ENABLE_FILE_LOGGING
fwrite(buffer->i16, 1, buffer->frameCount*sizeof(short), sgOutFile);
#endif // ENABLE_FILE_LOGGING
if (pDriver->mSampleBufferIndex >= pDriver->mSamplesPerFrame)
{
RTL_BLOCK("MpodAndroid::audioCallback_tick");
if(pDriver->mSampleBufferIndex > pDriver->mSamplesPerFrame)
{
LOGE("MpodAndroid::audioCallback() sample index (%d) > samples/frame (%d)\n", (int)pDriver->mSampleBufferIndex, (int)pDriver->mSamplesPerFrame);
}
// Return index to the beginning
pDriver->mSampleBufferIndex = 0;
// Fire callback. It will call our pushFrame() in turn.
#ifdef ENABLE_FRAME_TIME_LOGGING
LOGV("MpodAndroid::audioCallback() signal ticker, time %"PRIi64"ns\n", systemTime(SYSTEM_TIME_REALTIME));
#endif
pDriver->mpTickerNotification->signal(pDriver->mSamplesPerFrame);
// Update frame time.
pDriver->mCurFrameTime += pDriver->mSamplesPerFrame;
}
// Step forward state
switch (pDriver->mState) {
case DRIVER_STARTING:
pDriver->mState = DRIVER_PLAYING;
lSignal = true;
break;
case DRIVER_STOPPING:
// pDriver->mState = DRIVER_STOPPED;
// break;
case DRIVER_STOPPED:
LOGV("MpodAndroid::audioCallback() stopping Track\n");
pDriver->mpAudioTrack->stop();
LOGV("MpodAndroid::audioCallback() stopped Track\n");
buffer->size = 0;
pDriver->mState = DRIVER_IDLE;
lSignal = true;
break;
default:
break;
}
if (lSignal)
{
LOGV("MpodAndroid::audioCallback signalling\n");
pDriver->mWaitCbkCond.signal();
LOGV("MpodAndroid::audioCallback signalled\n");
}
}
void MpOss::soundIoThread()
{
UtlBoolean bStReader;
UtlBoolean bStWriter;
UtlBoolean bShutdown;
OsStatus status;
MpAudioSample* isamples;
const MpAudioSample* osamples;
int i;
UtlBoolean bWakeUp = TRUE;
assert(mModeChanged == TRUE);
for (;;i++)
{
// To reduce latency we use flag handling instead of semaphore locking
while (mModeChanged)
{
bStReader = mStReader;
bStWriter = mStWriter;
bShutdown = mStShutdown;
// Set we have caught signal
mModeChanged = FALSE;
if (!bStWriter && !bStReader && !bShutdown)
{
RTL_EVENT("MpOss::io_thread", 10);
ioctl(mfdDevice, SNDCTL_DSP_SYNC, NULL);
RTL_EVENT("MpOss::io_thread", 11);
ossSetTrigger(false);
ossReset();
sem_post(&mSignalSem);
RTL_EVENT("MpOss::io_thread", 12);
// Wait for any IO
sem_wait(&mSleepSem);
if (mStShutdown) {
return;
}
bWakeUp = TRUE;
}
else if (bShutdown)
{
RTL_EVENT("MpOss::io_thread", 0);
// OSS driver killing
ossSetTrigger(false);
ossReset();
return;
}
else
{
// Signal we have caught modification flag
sem_post(&mSignalSem);
RTL_EVENT("MpOss::io_thread", 15);
int frameSize = ((mStereoOps) ? 2 : 1) * mUsedSamplesPerFrame * 2;
if (bStWriter || bStReader)
{
assert (frameSize > 0 && frameSize < SOUND_MAXBUFFER);
}
if (bWakeUp)
{
unsigned precharge;
i = 0;
RTL_EVENT("MpOss::io_thread", -1);
ossSetTrigger(true);
RTL_EVENT("MpOss::io_thread", 16);
if (mbWriteCap)
{
// Plays out silence to set requested buffer deep
precharge = OSS_LATENCY_LENGTH * mUsedSamplesPerSec / 1000;
for (unsigned k = 0; k < precharge; k += mUsedSamplesPerFrame)
{
unsigned sz = precharge - k;
if (sz > mUsedSamplesPerFrame)
sz = mUsedSamplesPerFrame;
//Use small data request unless OSS may be confused
if (mbReadCap)
{
doInputRs(gTrashBuffer, mUsedSamplesPerFrame >> 3);
RTL_EVENT("MpOss::io_thread", 18);
}
doOutputRs(gSilenceBuffer, sz);
RTL_EVENT("MpOss::io_thread", 17);
}
}
RTL_EVENT("MpOss::io_thread", 19);
if ((mbWriteCap) && (mbReadCap))
{
//Compensates output shift due previous data requests
doOutputRs(gSilenceBuffer, (mUsedSamplesPerFrame >> 2));
}
bWakeUp = FALSE;
RTL_EVENT("MpOss::io_thread", 16);
}
}
}
// Produce heart beat for MpMediaLib
if ((mWriter) && (!mWriter->mNotificationThreadEn))
{
RTL_EVENT("MpOss::io_thread", 4);
mWriter->signalForNextFrame();
}
if (mbReadCap)
{
RTL_EVENT("MpOss::io_thread", 2);
isamples = (bStReader) ? mReader->mAudioFrame : gTrashBuffer;
status = doInputRs(isamples, mUsedSamplesPerFrame);
if ((status == OS_SUCCESS) && (bStReader))
{
RTL_EVENT("MpOss::io_thread", 3);
mReader->pushFrame();
}
}
if (mbWriteCap)
{
osamples = (bStWriter) ? mWriter->mAudioFrame : gSilenceBuffer;
RTL_EVENT("MpOss::io_thread", 1);
status = doOutputRs(osamples, mUsedSamplesPerFrame);
}
}
static WAVEHDR* outPrePrep(int n, DWORD bufLen)
{
#ifdef RTL_ENABLED
RTL_EVENT("SpeakerThreadWnt.outPrePrep", 1);
#endif
WAVEHDR* pWH;
int doAlloc = (hOutHdr[n] == NULL);
MpBufferMsg* msg;
MpBufferMsg* pFlush;
MpAudioBufPtr ob;
static int oPP = 0;
static int flushes = 0;
static int skip = 0;
assert((n > -1) && (n < N_OUT_BUFFERS));
#ifdef DEBUG_WINDOZE /* [ */
if (1) {
static int spkQLen[1024];
int in = oPP % 1024;
int i, j;
spkQLen[in] = MpMisc.pSpkQ->numMsgs();
if (in == 1023) {
osPrintf("\n\n Speaker Queue lengths [%d,%d]:\n ", oPP, frameCount);
for (i=0; i<1024; i+=32) {
for (j=i; j<(i+32); j++) {
osPrintf("%3d", spkQLen[j]);
}
osPrintf("\n ");
}
osPrintf("\n\n");
}
}
#endif /* DEBUG_WINDOZE ] */
oPP++;
#ifdef DEBUG_WINDOZE /* [ */
if (0 && (0 == (oPP % 1000))) {
osPrintf("outPrePrep(): %d playbacks, %d flushes\n", oPP, flushes);
}
#endif /* DEBUG_WINDOZE ] */
while (MpMisc.pSpkQ && MpMisc.pSpkQ->numMsgs() > MprToSpkr::MAX_SPKR_BUFFERS) {
OsStatus res;
flushes++;
res = MpMisc.pSpkQ->receive((OsMsg*&) pFlush, OsTime::NO_WAIT_TIME);
if (OS_SUCCESS == res) {
pFlush->releaseMsg();
} else {
osPrintf("DmaTask: queue was full, now empty (4)!"
" (res=%d)\n", res);
}
if (flushes > 100) {
osPrintf("outPrePrep(): %d playbacks, %d flushes\n", oPP, flushes);
flushes = 0;
}
}
if (MpMisc.pSpkQ) {
if ( (skip == 0)
&& (MpMisc.pSpkQ->numMsgs() < MprToSpkr::MIN_SPKR_BUFFERS))
{
skip = MprToSpkr::SKIP_SPKR_BUFFERS;
assert(MprToSpkr::MAX_SPKR_BUFFERS >= skip);
#ifdef DEBUG_WINDOZE /* [ */
osPrintf("Skip(%d,%d)\n", skip, oPP);
#endif /* DEBUG_WINDOZE ] */
}
if (MpMisc.pSpkQ->numMsgs() >= skip)
{
skip = 0;
if (MpMisc.pSpkQ->receive((OsMsg*&)msg, OsTime::NO_WAIT_TIME) == OS_SUCCESS)
{
ob = (MpAudioBufPtr)(msg->getBuffer());
msg->releaseMsg();
}
// osPrintf("pSpkQ message received\n");
} else {
// osPrintf("pSpkQ message skipped\n");
}
}
if (!ob.isValid()) {
ob = MpMisc.mpFgSilence;
}
if (doAlloc) {
hOutHdr[n] = GlobalAlloc(GPTR, sizeof(WAVEHDR));
assert(NULL != hOutHdr[n]);
hOutBuf[n] = GlobalAlloc(GPTR, bufLen);
assert(NULL != hOutBuf[n]);
}
pOutHdr[n] = pWH = (WAVEHDR*) GlobalLock(hOutHdr[n]);
assert(NULL != pOutHdr[n]);
pWH->lpData = (char*) GlobalLock(hOutBuf[n]);
pWH->dwBufferLength = bufLen;
pWH->dwUser = n;
pWH->dwBytesRecorded = 0;
pWH->dwFlags = 0;
pWH->dwLoops = 0;
pWH->lpNext = 0;
pWH->reserved = 0;
memcpy(pWH->lpData, ob->getSamplesPtr(), bufLen);
#ifdef RTL_ENABLED
RTL_EVENT("SpeakerThreadWnt.outPrePrep", 0);
#endif
return pWH;
}
void testTones()
{
RTL_START(1600000);
CPPUNIT_ASSERT(mpMediaFactory);
SdpCodecList* sdpCodecList = new SdpCodecList();
CPPUNIT_ASSERT(sdpCodecList);
UtlSList utlCodecList;
sdpCodecList->getCodecs(utlCodecList);
UtlString localRtpInterfaceAddress("127.0.0.1");
UtlString locale;
int tosOptions = 0;
UtlString stunServerAddress;
int stunOptions = 0;
int stunKeepAlivePeriodSecs = 25;
UtlString turnServerAddress;
int turnPort = 0 ;
UtlString turnUser;
UtlString turnPassword;
int turnKeepAlivePeriodSecs = 25;
bool enableIce = false ;
CpMediaInterface* mediaInterface =
mpMediaFactory->createMediaInterface(NULL,
sdpCodecList,
NULL, // public mapped RTP IP address
localRtpInterfaceAddress,
locale,
tosOptions,
stunServerAddress,
stunOptions,
stunKeepAlivePeriodSecs,
turnServerAddress,
turnPort,
turnUser,
turnPassword,
turnKeepAlivePeriodSecs,
enableIce);
// Record the entire "call" - all connections.
mediaInterface->recordAudio("testTones_call_recording.wav");
mediaInterface->giveFocus() ;
RTL_EVENT("Tone set", 0);
printf("first tone set\n");
RTL_EVENT("Tone set", 1);
mediaInterface->startTone(6, true, false) ;OsTask::delay(500) ;
RTL_EVENT("Tone set", 2);
mediaInterface->startTone(8, true, false) ;OsTask::delay(500) ;
RTL_EVENT("Tone set", 3);
mediaInterface->startTone(4, true, false) ;OsTask::delay(500) ;
RTL_EVENT("Tone set", 0);
printf("second tone set\n");
OsTask::delay(500) ;
RTL_EVENT("Tone set", 1);
mediaInterface->startTone(6, true, false) ;OsTask::delay(500) ;
RTL_EVENT("Tone set", 2);
mediaInterface->startTone(8, true, false) ;OsTask::delay(500) ;
RTL_EVENT("Tone set", 3);
mediaInterface->startTone(4, true, false) ;OsTask::delay(500) ;
RTL_EVENT("Tone set", 0);
printf("third tone set\n");
OsTask::delay(500) ;
RTL_EVENT("Tone set", 1);
mediaInterface->startTone(9, true, false) ;OsTask::delay(500) ;
mediaInterface->startTone(5, true, false) ;OsTask::delay(500) ;
mediaInterface->startTone(5, true, false) ;OsTask::delay(500) ;
mediaInterface->startTone(4, true, false) ;OsTask::delay(500) ;
RTL_EVENT("Tone set", 0);
printf("fourth tone set\n");
OsTask::delay(500) ;
RTL_EVENT("Tone set", 1);
mediaInterface->startTone(9, true, false) ;OsTask::delay(500) ;
mediaInterface->startTone(5, true, false) ;OsTask::delay(500) ;
mediaInterface->startTone(5, true, false) ;OsTask::delay(500) ;
mediaInterface->startTone(4, true, false) ;OsTask::delay(500) ;
RTL_EVENT("Tone set", 0);
printf("tone set done\n");
OsTask::delay(1000) ;
// Stop recording the "call" -- all connections.
mediaInterface->stopRecording();
RTL_WRITE("testTones.rtl");
RTL_STOP;
// delete interface
mediaInterface->release();
OsTask::delay(500) ;
delete sdpCodecList ;
};
void testTwoTones()
{
RTL_START(2400000);
// This test creates three flowgraphs. It streams RTP with tones
// from the 2nd and 3rd to be received and mixed in the first flowgraph
// So we test RTP and we test that we can generate 2 different tones in
// to different flowgraphs to ensure that the ToneGen has no global
// interactions or dependencies.
CPPUNIT_ASSERT(mpMediaFactory);
SdpCodecList* pSdpCodecList = new SdpCodecList();
CPPUNIT_ASSERT(pSdpCodecList);
UtlSList utlCodecList;
pSdpCodecList->getCodecs(utlCodecList);
UtlString localRtpInterfaceAddress("127.0.0.1");
OsSocket::getHostIp(&localRtpInterfaceAddress);
UtlString locale;
int tosOptions = 0;
UtlString stunServerAddress;
int stunOptions = 0;
int stunKeepAlivePeriodSecs = 25;
UtlString turnServerAddress;
int turnPort = 0 ;
UtlString turnUser;
UtlString turnPassword;
int turnKeepAlivePeriodSecs = 25;
bool enableIce = false ;
// Create a flowgraph (sink) to receive and mix 2 sources
CpMediaInterface* mixedInterface =
mpMediaFactory->createMediaInterface(NULL,
pSdpCodecList,
NULL, // public mapped RTP IP address
localRtpInterfaceAddress,
locale,
tosOptions,
stunServerAddress,
stunOptions,
stunKeepAlivePeriodSecs,
turnServerAddress,
turnPort,
turnUser,
turnPassword,
turnKeepAlivePeriodSecs,
enableIce);
// Create connections for mixed(sink) flowgraph
int mixedConnection1Id = -1;
CPPUNIT_ASSERT(mixedInterface->createConnection(mixedConnection1Id, NULL) == OS_SUCCESS);
CPPUNIT_ASSERT(mixedConnection1Id > 0);
int mixedConnection2Id = -1;
CPPUNIT_ASSERT(mixedInterface->createConnection(mixedConnection2Id, NULL) == OS_SUCCESS);
CPPUNIT_ASSERT(mixedConnection2Id > 0);
// Get the address of the connections so we can send RTP to them
// capabilities of first connection on mixed(sink) flowgraph
const int maxAddresses = 1;
UtlString rtpHostAddresses1[maxAddresses];
int rtpAudioPorts1[maxAddresses];
int rtcpAudioPorts1[maxAddresses];
int rtpVideoPorts1[maxAddresses];
int rtcpVideoPorts1[maxAddresses];
RTP_TRANSPORT transportTypes1[maxAddresses];
int numActualAddresses1;
SdpCodecList supportedCodecs1;
SdpSrtpParameters srtpParameters1;
int videoBandwidth1;
int videoFramerate1;
CPPUNIT_ASSERT_EQUAL(
mixedInterface->getCapabilitiesEx(mixedConnection1Id,
maxAddresses,
rtpHostAddresses1,
rtpAudioPorts1,
rtcpAudioPorts1,
rtpVideoPorts1,
rtcpVideoPorts1,
transportTypes1,
numActualAddresses1,
supportedCodecs1,
srtpParameters1,
videoBandwidth1,
videoFramerate1),
OS_SUCCESS);
// capabilities of second connection on mixed(sink) flowgraph
UtlString rtpHostAddresses2[maxAddresses];
int rtpAudioPorts2[maxAddresses];
int rtcpAudioPorts2[maxAddresses];
int rtpVideoPorts2[maxAddresses];
int rtcpVideoPorts2[maxAddresses];
RTP_TRANSPORT transportTypes2[maxAddresses];
int numActualAddresses2;
SdpCodecList supportedCodecs2;
SdpSrtpParameters srtpParameters2;
int videoBandwidth2;
int videoFramerate2;
CPPUNIT_ASSERT_EQUAL(
mixedInterface->getCapabilitiesEx(mixedConnection2Id,
maxAddresses,
rtpHostAddresses2,
rtpAudioPorts2,
rtcpAudioPorts2,
rtpVideoPorts2,
rtcpVideoPorts2,
transportTypes2,
numActualAddresses2,
supportedCodecs2,
srtpParameters2,
videoBandwidth2,
videoFramerate2),
OS_SUCCESS);
// Prep the sink connections to receive RTP
UtlSList codec1List;
supportedCodecs1.getCodecs(codec1List);
CPPUNIT_ASSERT_EQUAL(
mixedInterface->startRtpReceive(mixedConnection1Id,
codec1List),
OS_SUCCESS);
// Want to hear what is on the mixed flowgraph
mixedInterface->giveFocus();
UtlSList codec2List;
supportedCodecs2.getCodecs(codec2List);
CPPUNIT_ASSERT_EQUAL(
mixedInterface->startRtpReceive(mixedConnection2Id,
codec2List),
OS_SUCCESS);
// Second flowgraph to be one of two sources
CpMediaInterface* source1Interface =
mpMediaFactory->createMediaInterface(NULL,
pSdpCodecList,
NULL, // public mapped RTP IP address
localRtpInterfaceAddress,
locale,
tosOptions,
stunServerAddress,
stunOptions,
stunKeepAlivePeriodSecs,
turnServerAddress,
turnPort,
turnUser,
turnPassword,
turnKeepAlivePeriodSecs,
enableIce);
// Create connection for source 1 flowgraph
int source1ConnectionId = -1;
CPPUNIT_ASSERT(source1Interface->createConnection(source1ConnectionId, NULL) == OS_SUCCESS);
CPPUNIT_ASSERT(source1ConnectionId > 0);
// Set the destination for sending RTP from source 1 to connection 1 on
// the mix flowgraph
printf("rtpHostAddresses1: \"%s\"\nrtpAudioPorts1: %d\nrtcpAudioPorts1: %d\nrtpVideoPorts1: %d\nrtcpVideoPorts1: %d\n",
rtpHostAddresses1->data(),
*rtpAudioPorts1,
*rtcpAudioPorts1,
*rtpVideoPorts1,
*rtcpVideoPorts1);
CPPUNIT_ASSERT_EQUAL(
source1Interface->setConnectionDestination(source1ConnectionId,
rtpHostAddresses1->data(),
*rtpAudioPorts1,
*rtcpAudioPorts1,
*rtpVideoPorts1,
*rtcpVideoPorts1),
OS_SUCCESS);
// Start sending RTP from source 1 to the mix flowgraph
CPPUNIT_ASSERT_EQUAL(
source1Interface->startRtpSend(source1ConnectionId,
codec1List),
OS_SUCCESS);
// Second flowgraph to be one of two sources
CpMediaInterface* source2Interface =
mpMediaFactory->createMediaInterface(NULL,
pSdpCodecList,
NULL, // public mapped RTP IP address
localRtpInterfaceAddress,
locale,
tosOptions,
stunServerAddress,
stunOptions,
stunKeepAlivePeriodSecs,
turnServerAddress,
turnPort,
turnUser,
turnPassword,
turnKeepAlivePeriodSecs,
enableIce);
// Create connection for source 2 flowgraph
int source2ConnectionId = -1;
CPPUNIT_ASSERT(source2Interface->createConnection(source2ConnectionId, NULL) == OS_SUCCESS);
CPPUNIT_ASSERT(source2ConnectionId > 0);
// Set the destination for sending RTP from source 2 to connection 2 on
// the mix flowgraph
CPPUNIT_ASSERT_EQUAL(
source2Interface->setConnectionDestination(source2ConnectionId,
*rtpHostAddresses2,
*rtpAudioPorts2,
*rtcpAudioPorts2,
*rtpVideoPorts2,
*rtcpVideoPorts2),
OS_SUCCESS);
RTL_EVENT("Tone count", 0);
// Record the entire "call" - all connections.
mixedInterface->recordAudio("testTwoTones_call_recording.wav");
// Start sending RTP from source 2 to the mix flowgraph
CPPUNIT_ASSERT_EQUAL(
source2Interface->startRtpSend(source2ConnectionId,
codec2List),
OS_SUCCESS);
RTL_EVENT("Tone count", 1);
printf("generate tones in source 1\n");
source1Interface->startTone(1, true, true);
OsTask::delay(1000);
RTL_EVENT("Tone count", 2);
printf("generate tones in source 2 as well\n");
source2Interface->startTone(2, true, true);
OsTask::delay(1000);
RTL_EVENT("Tone count", 1);
printf("stop tones in source 1\n");
OsTask::delay(1000);
RTL_EVENT("Tone count", 0);
OsTask::delay(1000);
printf("two tones done\n");
// Stop recording the "call" -- all connections.
mixedInterface->stopRecording();
// Delete connections
mixedInterface->deleteConnection(mixedConnection1Id);
mixedInterface->deleteConnection(mixedConnection2Id);
source1Interface->deleteConnection(source1ConnectionId);
source2Interface->deleteConnection(source2ConnectionId);
// delete interfaces
mixedInterface->release();
source1Interface->release();
source2Interface->release();
OsTask::delay(500) ;
RTL_WRITE("testTwoTones.rtl");
RTL_STOP;
delete pSdpCodecList ;
};
UtlBoolean MprFromMic::doProcessFrame(MpBufPtr inBufs[],
MpBufPtr outBufs[],
int inBufsSize,
int outBufsSize,
UtlBoolean isEnabled,
int samplesPerFrame,
int samplesPerSecond)
{
MpAudioBufPtr out;
MpBufferMsg* pMsg;
// We need one output buffer
if (outBufsSize != 1)
return FALSE;
// Don't waste the time if output is not connected
if (!isOutputConnected(0))
return TRUE;
// One more frame processed
mNumFrames++;
#ifdef RTL_ENABLED
RTL_EVENT("FromMic queue", mpMicQ->numMsgs());
#endif
if (isEnabled)
{
// If the microphone queue (holds unprocessed mic data) has more then
// the max_mic_buffers threshold, drain the queue until in range)
while (mpMicQ && mpMicQ->numMsgs() > MpMisc.max_mic_buffers)
{
if (mpMicQ->receive((OsMsg*&)pMsg, OsTime::NO_WAIT_TIME) == OS_SUCCESS)
{
pMsg->releaseMsg();
osPrintf( "mpMicQ drained. %d msgs in queue now\n"
, mpMicQ->numMsgs());
}
}
if (mpMicQ && mpMicQ->numMsgs() > 0)
{
if (mpMicQ->receive((OsMsg*&)pMsg, OsTime::NO_WAIT_TIME) == OS_SUCCESS)
{
// osPrintf( "mpMicQ->receive() succeed, %d msgs in queue\n"
// , mpMicQ->numMsgs());
out = pMsg->getBuffer();
pMsg->releaseMsg();
}
}
else
{
// osPrintf("MprFromMic: No data available (total frames=%d)\n",
// mNumFrames);
}
#ifdef INSERT_SAWTOOTH /* [ */
if (!out.isValid())
{
out = MpMisc.RawAudioPool->getBuffer();
if (!out.isValid())
return FALSE;
out->setSamplesNumber(MpMisc.frameSamples);
}
MpBuf_insertSawTooth(out);
out->setSpeechType(MP_SPEECH_ACTIVE);
#endif /* INSERT_SAWTOOTH ] */
if (s_fnMicDataHook)
{
//
// Allow an external identity to source microphone data. Ideally,
// this should probably become a different resource, but abstracting
// a new CallFlowGraph is a lot of work.
//
if (!out.isValid())
{
out = MpMisc.RawAudioPool->getBuffer();
if (!out.isValid())
return FALSE;
out->setSamplesNumber(MpMisc.frameSamples);
}
if (out.isValid())
{
int n = 0;
MpAudioSample* s = NULL;
s = out->getSamplesWritePtr();
n = out->getSamplesNumber();
s_fnMicDataHook(n, (short*)s) ;
out->setSpeechType(MP_SPEECH_UNKNOWN);
}
}
if (out.isValid())
{
switch(out->getSpeechType())
{
case MP_SPEECH_TONE:
break;
case MP_SPEECH_MUTED:
out->setSpeechType(MP_SPEECH_SILENT);
break;
default:
{
MpAudioSample* shpTmpFrame;
MpAudioBufPtr tpBuf;
MpAudioSample *shpSamples;
int n = out->getSamplesNumber();
shpSamples = out->getSamplesWritePtr();
tpBuf = MpMisc.RawAudioPool->getBuffer();
if (!out.isValid())
return FALSE;
tpBuf->setSamplesNumber(n);
assert(tpBuf.isValid());
shpTmpFrame = tpBuf->getSamplesWritePtr();
highpass_filter800(shpSamples, shpTmpFrame, n);
out->setSpeechType(speech_detected(shpTmpFrame,n));
}
break;
}
}
}
else
{
out = inBufs[0];
}
outBufs[0] = out;
return TRUE;
}
