void MpBuf_close()
{
#ifdef BUFFER_INSTRUMENTATION /* [ */
delete spCounterMutex;
spCounterMutex = NULL;
#ifdef _VXWORKS /* [ */
StartLogging();
#endif /* _VXWORKS ] */
dumpBufs(1);
#ifdef _VXWORKS /* [ */
while (0<msgQNumMsgs(MpMisc.LogQ)) taskDelay(1);
taskDelay(12);
#endif /* _VXWORKS ] */
#endif /* BUFFER_INSTRUMENTATION ] */
MpBuf_delRef(MpMisc.XXXsilence);
MpMisc.XXXsilence = NULL;
MpBuf_delRef(MpMisc.XXXlongSilence);
MpMisc.XXXlongSilence = NULL;
MpBufPool_delete(MpMisc.UcbPool, TRUE);
MpMisc.UcbPool = NULL;
MpBufPool_delete(MpMisc.RtpPool, TRUE);
MpMisc.RtpPool = NULL;
MpBufPool_delete(MpMisc.RtcpPool, TRUE);
MpMisc.RtcpPool = NULL;
MpBufPool_delete(MpMisc.DMAPool, TRUE);
MpMisc.DMAPool = NULL;
}
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)) {
MpBuf_delRef(pMsg->getTag());
MpBuf_delRef(pMsg->getTag(1));
pMsg->releaseMsg();
}
}
return save;
}
//Add a buffer containing an incoming RTP packet to the dejitter pool
OsStatus MprDejitter::pushPacket(MpBufPtr pRtp)
{
int index;
MpBuf_touch(pRtp);
mRtpLock.acquire();
index = getSeqNum(pRtp) % MAX_RTP_PACKETS;
if (NULL != mpPackets[index]) {
mNumDiscarded++;
#ifdef MP_STREAM_DEBUG /* [ */
if (mNumDiscarded < 40) {
osPrintf("Dej: discard#%d Seq: %d -> %d at 0x%X\n",
mNumDiscarded,
getSeqNum(mpPackets[index]),
getSeqNum(pRtp), *pOsTC);
}
#endif /* MP_STREAM_DEBUG ] */
MpBuf_delRef(mpPackets[index]);
mpPackets[index] = NULL;
mNumPackets--;
}
mpPackets[index] = pRtp;
mNumPackets++;
mRtpLock.release();
return OS_SUCCESS;
}
MpBufPtr MpBuf_allowMods(MpBufPtr b)
{
MpBufPtr t;
if (NULL == b) {
return NULL;
}
if (MpBuf_invalid(b, FALSE, TRUE)) {
Zprintf("MpBuf_allowMod(0x%X): invalid!\n", (int) b, 0,0,0,0,0);
return NULL;
}
if (1 == b->refCnt) {
return b;
}
t = MpBuf_getBuf(b->pPool, MpBuf_getNumSamples(b),
MpBuf_getOffset(b), MpBuf_getFormat(b));
if (NULL == t) {
return NULL;
}
memcpy((void*) MpBuf_getSamples(t),
(void*) MpBuf_getSamples(b),
MpBuf_getByteLen(t));
MpBuf_setOsTC(t, MpBuf_getOsTC(b));
MpBuf_setContentLen(t, MpBuf_getContentLen(b));
MpBuf_delRef(b);
return t;
} /* MpBuf_allowMods */
// Destructor
MprDejitter::~MprDejitter()
{
int i;
mRtpLock.acquire();
for (i=0; i<MAX_RTP_PACKETS; i++) {
MpBuf_delRef(mpPackets[i]);
mpPackets[i] = NULL;
}
mRtpLock.release();
}
UtlBoolean MprToneGen::doProcessFrame(MpBufPtr inBufs[],
MpBufPtr outBufs[],
int inBufsSize,
int outBufsSize,
UtlBoolean isEnabled,
int samplesPerFrame,
int samplesPerSecond)
{
MpBufPtr out = NULL;
int16_t *outbuf;
int count;
OsStatus ret;
if (0 == outBufsSize) return FALSE;
*outBufs = NULL;
if (0 == samplesPerFrame) return FALSE;
if (isEnabled) {
out = MpBuf_getBuf(MpMisc.UcbPool, samplesPerFrame, 0, MP_FMT_T12);
assert(NULL != out);
count = min(samplesPerFrame, MpBuf_getNumSamples(out));
MpBuf_setNumSamples(out, count);
outbuf = (int16_t*)MpBuf_getSamples(out);
ret = MpToneGen_getNextBuff(mpToneGenState, outbuf, count);
switch (ret) {
case OS_WAIT_TIMEOUT: /* one-shot tone completed */
((MpCallFlowGraph*)getFlowGraph())->stopTone();
MpBuf_setSpeech(out, MP_SPEECH_TONE);
break;
case OS_NO_MORE_DATA: /* silent */
MpBuf_delRef(out);
out = NULL; // Will replace with silence before returning...
break;
case OS_SUCCESS:
default:
MpBuf_setSpeech(out, MP_SPEECH_TONE);
break;
}
} else {
if (0 < inBufsSize) out = *inBufs;
*inBufs = NULL;
}
if (NULL == out) {
out = MpBuf_getFgSilence();
}
*outBufs = out;
return (NULL != mpToneGenState);
}
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;
}
UtlBoolean MprRecorder::doProcessFrame(MpBufPtr inBufs[],
MpBufPtr outBufs[],
int inBufsSize,
int outBufsSize,
UtlBoolean isEnabled,
int samplesPerFrame,
int samplesPerSecond)
{
int numBytes = 0;
int numSamples = 0;
MpBufPtr in = NULL;
Sample* input;
// Lock so that mFileDescriptor and file contents cannot be changed out
// from under us while we are updating the file.
OsLock lock(mMutex);
//try to pass along first input
if (inBufsSize > 0)
{
in = *inBufs;
}
if (numOutputs() > 0)
{
if (inBufsSize > 0) *inBufs = NULL;
*outBufs = in;
}
if (!isEnabled) {
return TRUE;
}
if (mFileDescriptor < 0)
{
OsSysLog::add(FAC_MP, PRI_DEBUG, "MprRecorder::doProcessFrame to disable recording because mFileDescriptor=%d, mStatus=%d",
mFileDescriptor, mStatus);
disable(RECORD_STOPPED); // just in case...
}
if (inBufsSize == 0) {
// no input buffers, indicate config error
disable(INVALID_SETUP);
return TRUE;
}
// maximum record time reached or final silence timeout.
if ((0 >= mFramesToRecord--) || (mSilenceLength <= mConsecutiveInactive)) {
// Get previous MinVoiceEnergy for debug printouts, and reset it to MIN_SPEECH_ENERGY_THRESHOLD.
unsigned long prevValue = MpBuf_setMVE(MIN_SPEECH_ENERGY_THRESHOLD);
OsSysLog::add(FAC_MP, PRI_INFO,
"MprRecorder::doProcessFrame to disable recording because"
" mFramesToRecord=%d, mStatus=%d mSilenceLength=%d,"
" mConsecutiveInactive=%d, MinVoiceEnergy=%lu", mFramesToRecord,
mStatus, mSilenceLength, mConsecutiveInactive, prevValue);
disable(RECORD_FINISHED);
} else {
int bytesWritten = 0;
//now write the buffer out
if (NULL == in) {
in = MpBuf_getFgSilence();
} else {
MpBuf_addRef(in);
}
if (MpBuf_isActiveAudio(in)) {
mConsecutiveInactive = 0;
} else {
mConsecutiveInactive++;
}
input = MpBuf_getSamples(in);
numSamples = MpBuf_getNumSamples(in);
numBytes = numSamples * sizeof(Sample);
if (mFileDescriptor > -1)
{
#ifdef __BIG_ENDIAN__
//We are running on a big endian processor - 16-bit samples are in the big endian
//byte order - convert them to little endian before writing them to the file.
unsigned short *pData;
int index;
for ( index = 0, pData = (unsigned short *)input; index < numSamples; index++, pData++ )
*pData = htoles(*pData);
#endif
bytesWritten = write(mFileDescriptor, (char *)input, numBytes);
#ifdef __BIG_ENDIAN__
if (numOutputs() > 1)
{
//There is more than one output - convert the samples back to big endian
for ( index = 0, pData = (unsigned short *)input; index < numSamples; index++, pData++ )
*pData = letohs(*pData);
}
#endif
}
if (bytesWritten != numBytes) {
disable(WRITE_ERROR);
} else {
mTotalBytesWritten += numBytes;
mTotalSamplesWritten += samplesPerFrame;
}
MpBuf_delRef(in);
}
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;
}
UtlBoolean MprDecode::doProcessFrame(MpBufPtr inBufs[],
MpBufPtr outBufs[],
int inBufsSize,
int outBufsSize,
UtlBoolean isEnabled,
int samplesPerFrame,
int samplesPerSecond)
{
#ifdef DEBUG_DECODING /* [ */
static int numFramesForWarnings = 0;
static int numWarnings = 0;
#endif /* DEBUG_DECODING ] */
MpBufPtr rtp;
MpBufPtr out;
#ifdef DEBUG_DECODING /* [ */
numFramesForWarnings++;
#endif /* DEBUG_DECODING ] */
MpDecoderBase* pCurDec;
Sample* pSamples = NULL;
mFrameCounter++;
if (0 == outBufsSize) return FALSE;
if (!isEnabled) {
mPreloading = 1;
*outBufs = MpBuf_getFgSilence();
return TRUE;
}
{
MprDejitter* pDej = getMyDejitter();
int packetLen;
int pt;
while (NULL != (rtp = pDej->pullPacket())) {
pt = MprDejitter::getPayloadType(rtp);
pCurDec = mpConnection->mapPayloadType(pt);
if (NULL != pCurDec) {
unsigned char* pRtpH;
pRtpH = ((unsigned char*) MpBuf_getStorage(rtp)) + 1;
if (0x80 == (0x80 & *pRtpH)) {
if ((mFrameLastMarkerNotice + MARKER_WAIT_FRAMES) <
mFrameCounter) {
mNumMarkerNotices = 0;
}
if (mNumMarkerNotices++ < MAX_MARKER_NOTICES)
{
// osPrintf("MprDecode: RTP marker bit ON\n");
mFrameLastMarkerNotice = mFrameCounter;
}
}
packetLen = pCurDec->decodeIn(rtp);
if (packetLen > 0) {
pushIntoJitterBuffer(rtp, packetLen);
}
}
MpBuf_delRef(rtp);
}
}
out = MpBuf_getBuf(MpMisc.UcbPool, samplesPerFrame, 0, MP_FMT_T12);
if (out)
{
pSamples = MpBuf_getSamples(out);
memset(pSamples, 0, samplesPerFrame * sizeof(Sample));
MpBuf_setSpeech(out, MP_SPEECH_SILENT);
}
JB_inst* pJBState = mpConnection->getJBinst();
if (pJBState) {
// This should be a JB_something or other. However the only
// current choices is a short or long equivalant and this needs
// to be a plain old int:
int outLen;
int res;
res = JB_RecOut(pJBState, pSamples, &outLen);
MpBuf_setSpeech(out, MP_SPEECH_UNKNOWN);
}
*outBufs = out;
Nprintf("Decode_doPF: returning 0x%p\n", out, 0,0,0,0,0);
return TRUE;
}
