int LoopBack(int on) {
MpBufferMsg* pMsg;
int save = MpMisc.doLoopBack;
MpMisc.doLoopBack = on;
while (0 < MpMisc.pLoopBackQ->numMsgs()) {
if (OS_SUCCESS == MpMisc.pLoopBackQ->receive((OsMsg*&) pMsg,
OsTime::NO_WAIT_TIME)) {
pMsg->releaseMsg();
}
}
return save;
}
void testEnabledWithData()
{
MprToSpkr* pToSpkr = NULL;
OsMsgQ* pSpkQ = NULL;
OsMsgQ* pEchoQ = NULL;
MpBufferMsg* pSpkMsg = NULL;
MpBufferMsg* pEchoMsg = NULL;
MpBufPtr pBuf;
OsStatus res;
// Create message queues to get data from MprToSpkr
pSpkQ = new OsMsgQ(MSG_Q_LEN);
CPPUNIT_ASSERT(pSpkQ != NULL);
pEchoQ = new OsMsgQ(MSG_Q_LEN);
CPPUNIT_ASSERT(pEchoQ != NULL);
pToSpkr = new MprToSpkr("MprToSpkr",
pSpkQ, pEchoQ);
CPPUNIT_ASSERT(pToSpkr != NULL);
setupFramework(pToSpkr);
// pToSpkr enabled, there are buffers on the input 0, message queue
// is not full.
CPPUNIT_ASSERT(mpSourceResource->enable());
CPPUNIT_ASSERT(pToSpkr->enable());
res = mpFlowGraph->processNextFrame();
CPPUNIT_ASSERT(res == OS_SUCCESS);
// Get messages from the queues (wait for 1 second)
res = pSpkQ->receive((OsMsg*&)pSpkMsg, OsTime(1000));
CPPUNIT_ASSERT(res == OS_SUCCESS);
res = pEchoQ->receive((OsMsg*&)pEchoMsg, OsTime(1000));
CPPUNIT_ASSERT(res == OS_SUCCESS);
// Store output buffer for convenience
pBuf = mpSourceResource->mLastDoProcessArgs.outBufs[0];
// Buffer is sent to queues and to output
CPPUNIT_ASSERT( (mpSinkResource->mLastDoProcessArgs.inBufs[0] == pBuf)
&& (pSpkMsg->getBuffer().isValid())
&& (pEchoMsg->getBuffer() == pBuf)
);
// Free received message and stored buffer
pSpkMsg->releaseMsg();
pEchoMsg->releaseMsg();
pBuf.release();
// Stop flowgraph
haltFramework();
// Free message queue
delete pSpkQ;
delete pEchoQ;
}
UtlBoolean MprFromMic::doProcessFrame(MpBufPtr inBufs[],
MpBufPtr outBufs[],
int inBufsSize,
int outBufsSize,
UtlBoolean isEnabled,
int samplesPerFrame,
int samplesPerSecond)
{
MpBufPtr out = NULL ;
MpBufferMsg* pMsg;
if (0 == outBufsSize)
{
return FALSE;
}
// Clear the the number of empty frames every 512 frames
mNumFrames++;
if (0 == (mNumFrames & 0x1ff))
{
mNumEmpties = 0;
}
if (isEnabled)
{
// If the microphone queue (holds unprocessed mic data) has more then
// the max_mic_buffers threshold, drain the queue until in range)
OsMsgQ* pMicOutQ;
pMicOutQ = MpMisc.pMicQ;
while (pMicOutQ && MpMisc.max_mic_buffers < pMicOutQ->numMsgs())
{
if (OS_SUCCESS == pMicOutQ->receive((OsMsg*&) pMsg,
OsTime::NO_WAIT))
{
MpBuf_delRef(pMsg->getTag());
MpBuf_delRef(pMsg->getTag(1));
pMsg->releaseMsg();
}
}
if (pMicOutQ && pMicOutQ->numMsgs() <= 0)
{
// osPrintf("MprFromMic: No data available (total frames=%d, starved frames=%d)\n",
// mNumFrames, mNumEmpties);
}
else
{
if (pMicOutQ && OS_SUCCESS == pMicOutQ->receive((OsMsg*&) pMsg,
OsTime::NO_WAIT))
{
out = pMsg->getTag();
pMsg->releaseMsg();
if (NULL != out)
{
#ifdef REAL_SILENCE_DETECTION /* [ */
Sample* shpTmpFrame;
MpBufPtr tpBuf;
int n;
#endif /* REAL_SILENCE_DETECTION ] */
switch(MpBuf_getSpeech(out))
{
case MP_SPEECH_TONE:
break;
case MP_SPEECH_MUTED:
MpBuf_setSpeech(out, MP_SPEECH_SILENT);
break;
default:
#ifdef REAL_SILENCE_DETECTION /* [ */
Sample *shpSamples;
n = MpBuf_getNumSamples(out);
shpSamples = MpBuf_getSamples(out);
tpBuf = MpBuf_getBuf(MpMisc.UcbPool, n, 0, MP_FMT_T12);
assert(NULL != tpBuf);
shpTmpFrame = MpBuf_getSamples(tpBuf);
highpass_filter800(shpSamples, shpTmpFrame, n);
if(0 == speech_detected(shpTmpFrame,n))
{
MpBuf_setSpeech(out, MP_SPEECH_SILENT);
}
else
{
MpBuf_setSpeech(out, MP_SPEECH_ACTIVE);
}
MpBuf_delRef(tpBuf);
#else /* REAL_SILENCE_DETECTION ] [ */
// 24 April 2001 (HZM) I am disabling this because it takes
// too long to recognize the beginning of a talk spurt, and
// causes the bridge mixer to drop the start of each word.
MpBuf_isActiveAudio(out);
#endif /* REAL_SILENCE_DETECTION ] */
break;
}
}
}
}
#ifdef INSERT_SAWTOOTH /* [ */
if (NULL == out)
{
out = MpBuf_getBuf(MpMisc.UcbPool, MpMisc.frameSamples, 0, MP_FMT_T12);
}
MpBuf_insertSawTooth(out);
MpBuf_setSpeech(out, 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 (NULL == out)
{
out = MpBuf_getBuf(MpMisc.UcbPool, MpMisc.frameSamples, 0, MP_FMT_T12);
}
if (NULL != out)
{
int n = 0;
Sample* s = NULL;
s = MpBuf_getSamples(out);
n = MpBuf_getNumSamples(out);
s_fnMicDataHook(n, s) ;
MpBuf_setSpeech(out, MP_SPEECH_UNKNOWN);
MpBuf_isActiveAudio(out);
}
}
if (NULL == out)
{
out = MpBuf_getFgSilence();
}
}
*outBufs = out;
return TRUE;
}
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;
}
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;
}
static WAVEHDR* outPrePrep(int n, DWORD bufLen)
{
WAVEHDR* pWH;
int doAlloc = (hOutHdr[n] == NULL);
MpBufferMsg* msg;
MpBufferMsg* pFlush;
MpBufPtr ob;
static int oPP = 0;
static MpBufPtr prev = NULL; // prev is for future concealment use
static int concealed = 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 && MprToSpkr::MAX_SPKR_BUFFERS < MpMisc.pSpkQ->numMsgs()) {
OsStatus res;
flushes++;
res = MpMisc.pSpkQ->receive((OsMsg*&) pFlush, OsTime::NO_WAIT);
if (OS_SUCCESS == res) {
MpBuf_delRef(pFlush->getTag());
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 && (skip == 0) && (MprToSpkr::MIN_SPKR_BUFFERS > MpMisc.pSpkQ->numMsgs())) {
skip = MprToSpkr::SKIP_SPKR_BUFFERS;
assert(MprToSpkr::MAX_SPKR_BUFFERS >= skip);
#ifdef DEBUG_WINDOZE /* [ */
osPrintf("Skip(%d,%d)\n", skip, oPP);
#endif /* DEBUG_WINDOZE ] */
}
ob = NULL;
if (0 == skip) {
if (MpMisc.pSpkQ && OS_SUCCESS == MpMisc.pSpkQ->receive((OsMsg*&)msg, OsTime::NO_WAIT)) {
ob = msg->getTag();
msg->releaseMsg();
}
} else {
if (MpMisc.pSpkQ && MpMisc.pSpkQ->numMsgs() >= skip) skip = 0;
}
if (NULL == ob) {
ob = conceal(prev, concealed);
concealed++;
} else {
concealed = 0;
}
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, MpBuf_getSamples(ob), bufLen);
MpBuf_delRef(prev);
prev = ob;
return pWH;
}