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);
}
OsStatus MpBuf_init(int samplesPerFrame, int numAudioBuffers)
{
LowBufTable = 0xffffffff;
HighBufTable = 0;
#ifdef BUFFER_INSTRUMENTATION /* [ */
spCounterMutex = new OsMutex(OsMutex::Q_PRIORITY);
#endif /* BUFFER_INSTRUMENTATION ] */
MpMisc.UcbPool = MpBufPool_MpBufPool(0,
samplesPerFrame*sizeof(Sample),
numAudioBuffers, 0);
Nprintf("MpBuf_init: MpMisc.UcbPool = 0x%X\n",
(int) MpMisc.UcbPool, 0,0,0,0,0);
if (NULL == MpMisc.UcbPool) {
return OS_NO_MEMORY;
}
MpMisc.DMAPool = MpBufPool_MpBufPool(0,
8*samplesPerFrame*sizeof(Sample),
64, 32);
Nprintf("MpBuf_init: MpMisc.DMAPool = 0x%X\n",
(int) MpMisc.DMAPool, 0,0,0,0,0);
if (NULL == MpMisc.DMAPool) {
return OS_NO_MEMORY;
}
/*************************************************************************/
/*
* Go get a buffer and fill with silence. We will use this for muting
* either or both of input and output, and whenever we are starved for
* audio data.
*/
#ifdef N_SPARE_BUFS /* [ */
/* For debugging... get a few buffers and set them aside... */
{
MpBufPtr sb;
int i, j, n;
Sample* dst;
for (i=0; i<N_SPARE_BUFS; i++) {
sb = MpBuf_getBuf(MpMisc.UcbPool, samplesPerFrame, 0, MP_FMT_T12);
if (NULL == sb) {
Zprintf("\n\nMpBuf_init: MpBuf_getBuf failed, quitting!\n\n\n",
0,0,0,0,0,0);
MpBufPool_delete(MpMisc.UcbPool, 1);
MpMisc.UcbPool = NULL;
return OS_LIMIT_REACHED;
}
dst = MpBuf_getSamples(sb);
n = MpBuf_getByteLen(sb) / sizeof(Sample);
MpBuf_setNumSamples(sb, n);
for (j=0; j<n; j++) {
*dst++ = (i<<8) + j;
}
MpBuf_setSpeech(sb, (enum MpBufSpeech) MP_SPEECH_SPARE);
spareBufs[i] = sb;
}
showSpareBufs(0, "MpBuf_Init: ");
}
#endif /* N_SPARE_BUFS ] */
{
MpBufPtr sb;
sb = MpBuf_getBuf(MpMisc.UcbPool, samplesPerFrame, 0, MP_FMT_T12);
if (NULL == sb) {
Zprintf("\n\nMpBuf_init: MpBuf_getBuf failed, quitting!\n\n\n",
0,0,0,0,0,0);
MpBufPool_delete(MpMisc.UcbPool, 1);
MpMisc.UcbPool = NULL;
return OS_LIMIT_REACHED;
}
memset(MpBuf_getSamples(sb), 0, MpBuf_getByteLen(sb));
MpBuf_setSpeech(sb, MP_SPEECH_SILENT);
MpMisc.XXXsilence = sb;
Zprintf("MpBuf_init: MpMisc.silence = 0x%X\n",
(int) MpMisc.XXXsilence, 0,0,0,0,0);
}
/*************************************************************************/
/*
* Go get a DMA buffer and fill with silence. We will use this for muting
* either or both of input and output, and whenever we are starved for
* audio data.
*/
{
MpBufPtr sb;
sb = MpBuf_getBuf(MpMisc.DMAPool, 8*samplesPerFrame, 0, MP_FMT_T12);
if (NULL == sb) {
Zprintf("\n\nMpBuf_init: MpBuf_getBuf failed (DMA), quitting!\n\n\n",
0,0,0,0,0,0);
MpBufPool_delete(MpMisc.DMAPool, 1);
MpMisc.DMAPool = NULL;
return OS_LIMIT_REACHED;
}
memset(MpBuf_getSamples(sb), 0, MpBuf_getByteLen(sb));
MpBuf_setSpeech(sb, MP_SPEECH_SILENT);
MpMisc.XXXlongSilence = sb;
Zprintf("MpBuf_init: MpMisc.longSilence = 0x%X\n",
(int) MpMisc.XXXlongSilence, 0,0,0,0,0);
}
/*************************************************************************/
/*
* generate a buffer called comfort noise buffer. Even though the zero
* initiation is not necessary, we do it as the silence buffer for safety.
*/
{
MpBufPtr cnb;
cnb = MpBuf_getBuf(MpMisc.UcbPool, samplesPerFrame, 0, MP_FMT_T12);
if (NULL == cnb) {
Zprintf("\n\nMpBuf_init: MpBuf_getBuf failed, quitting!\n\n\n",
0,0,0,0,0,0);
MpBufPool_delete(MpMisc.UcbPool, 1);
MpMisc.UcbPool = NULL;
return OS_LIMIT_REACHED;
}
memset(MpBuf_getSamples(cnb), 0, MpBuf_getByteLen(cnb));
MpBuf_setSpeech(cnb, MP_SPEECH_COMFORT_NOISE);
MpMisc.comfortNoise = cnb;
Zprintf("MpBuf_init: MpMisc.comfortNoise = 0x%X\n",
(int) MpMisc.comfortNoise, 0,0,0,0,0);
}
/*************************************************************************/
MpMisc.RtpPool = MpBufPool_MpBufPool(0, NETWORK_MTU, rtpNBufs, 0);
Nprintf("MpBuf_init: MpMisc.RtpPool = 0x%X\n",
(int) MpMisc.RtpPool, 0,0,0,0,0);
if (NULL == MpMisc.RtpPool) {
MpBufPool_delete(MpMisc.UcbPool, 1);
MpMisc.UcbPool = NULL;
return OS_NO_MEMORY;
}
MpMisc.RtcpPool = MpBufPool_MpBufPool(0,
MAX_RTCP_PACKET_LEN, rtcpNBufs, 0);
Nprintf("MpBuf_init: MpMisc.RtcpPool = 0x%X\n",
(int) MpMisc.RtcpPool, 0,0,0,0,0);
if (NULL == MpMisc.RtcpPool) {
MpBufPool_delete(MpMisc.UcbPool, 1);
MpMisc.UcbPool = NULL;
MpBufPool_delete(MpMisc.RtpPool, 1);
MpMisc.RtpPool = NULL;
return OS_NO_MEMORY;
}
return OS_SUCCESS;
}
/*************************************************************************/
MpMisc.RtpPool = MpBufPool_MpBufPool(0, NETWORK_MTU, rtpNBufs, 0);
Nprintf("MpBuf_init: MpMisc.RtpPool = 0x%X\n",
(int) MpMisc.RtpPool, 0,0,0,0,0);
if (NULL == MpMisc.RtpPool) {
MpBufPool_delete(MpMisc.UcbPool, 1);
MpMisc.UcbPool = NULL;
return OS_NO_MEMORY;
}
MpMisc.RtcpPool = MpBufPool_MpBufPool(0,
MAX_RTCP_PACKET_LEN, rtcpNBufs, 0);
Nprintf("MpBuf_init: MpMisc.RtcpPool = 0x%X\n",
(int) MpMisc.RtcpPool, 0,0,0,0,0);
if (NULL == MpMisc.RtcpPool) {
MpBufPool_delete(MpMisc.UcbPool, 1);
MpMisc.UcbPool = NULL;
MpBufPool_delete(MpMisc.RtpPool, 1);
MpMisc.RtpPool = NULL;
return OS_NO_MEMORY;
}
return OS_SUCCESS;
}
#ifdef BUFFER_INSTRUMENTATION /* [ */
volatile int bufHang, doHang = 1;
int we_are_logging = 0;
int bufUnHang(int x)
{
int was = bufHang;
bufHang = 0;
doHang = x;
return was;
}
int forceLogging(int on)
{
int was = we_are_logging;
we_are_logging = on;
return was;
}
int incr_time_stamp()
{
OsLock lock(*spCounterMutex);
return buffer_time_stamp++;
}
#endif /* BUFFER_INSTRUMENTATION ] */
void MpBuf_insertSawTooth(MpBufPtr b)
{
int i, n;
Sample *s;
if (NULL == b) return;
if (!MpBuf_invalid(b, TRUE, TRUE)) {
s = MpBuf_getSamples(b);
n = MpBuf_getNumSamples(b);
for (i=0; i<n; i++)
*s++ = ((0xf & i) << 12);
}
}
#ifdef BUFFER_INSTRUMENTATION /* [ */
MpBufPtr MpBuf_getBufX(MpBufPoolPtr Pool,
int initSamples, int initOffset, MpBufFormat initFormat, int line)
#else /* BUFFER_INSTRUMENTATION ] [ */
MpBufPtr MpBuf_getBufY(MpBufPoolPtr Pool,
int initSamples, int initOffset, MpBufFormat initFormat)
#endif /* BUFFER_INSTRUMENTATION ] */
{
int i;
int n;
MpBufPtr ret, t;
MpBufPoolPtr l = Pool;
OsLock lock(*(Pool->mpMutex));
#ifdef BUFFER_INSTRUMENTATION /* [ */
int this_time = incr_time_stamp();
#endif /* BUFFER_INSTRUMENTATION ] */
ret = NULL;
n = l->lastTaken;
t = &(l->table[n]);
for (i=0; ((NULL==ret) && (i<l->allocCnt)); i++) {
if (n >= l->allocCnt) {
n = 0;
t = l->table;
}
if (0 == t->status) {
n++;
if (n >= l->allocCnt) {
n = 0;
}
l->lastTaken = n;
ret = t;
ret->status = 1;
ret->speech = MP_SPEECH_UNKNOWN;
ret->refCnt = 1;
MpBuf_setFormat(ret, initFormat);
MpBuf_setOffset(ret, initOffset);
MpBuf_setNumSamples(ret, initSamples);
MpBuf_setOsTC(ret, 0);
#define CLEAR_BUFFER
#undef CLEAR_BUFFER
#ifdef CLEAR_BUFFER /* [ */
memset(MpBuf_getStorage(ret), 0, MpBuf_getByteLen(ret));
#endif /* CLEAR_BUFFER ] */
#define INSERT_SAWTOOTH
#undef INSERT_SAWTOOTH
#ifdef INSERT_SAWTOOTH /* [ */
MpBuf_insertSawTooth(ret);
#endif /* INSERT_SAWTOOTH ] */
#ifdef BUFFER_INSTRUMENTATION /* [ */
ret->line_taken = line;
ret->time_taken = this_time;
#endif /* BUFFER_INSTRUMENTATION ] */
}
t++;
n++;
}
#ifdef BUFFER_INSTRUMENTATION /* [ */
if (NULL != ret) l->nfree--;
if (l->nfree < l->minfree) {
l->minfree = l->nfree;
if (2 < (l->allocCnt)) {
showBufs(Pool, line);
}
if (15 < (l->allocCnt - l->nfree)) {
/* dumpBufs(0); */
}
}
#endif /* BUFFER_INSTRUMENTATION ] */
Nprintf(" +%02d(%d)\n", i-1, line, 0,0,0,0);
Nprintf("take: 0x%08X (%d), at %d\n",
(int) ret, i-1, line, 0,0,0);
/* printf("take: 0x%08X (%d)\n", (int) ret, i-1); */
return ret;
}
UtlBoolean MprFromStream::doProcessFrame(MpBufPtr inBufs[],
MpBufPtr outBufs[],
int inBufsSize,
int outBufsSize,
UtlBoolean isEnabled,
int samplesPerFrame,
int samplesPerSecond)
{
UtlBoolean bSentData = FALSE ;
MpBufPtr out = NULL;
Sample *outbuf;
int count;
// Check params for sanity
if (0 == outBufsSize) return FALSE;
*outBufs = NULL;
if (0 == samplesPerFrame) return FALSE;
if (isEnabled)
{
// Get ready to give data
out = MpBuf_getBuf(MpMisc.UcbPool, samplesPerFrame, 0, MP_FMT_T12);
assert(NULL != out);
count = MpBuf_getByteLen(out) / sizeof(Sample);
count = min(samplesPerFrame, count);
MpBuf_setNumSamples(out, count);
if (mpStreamRenderer)
{
mbStreamChange = FALSE ;
if (!mpStreamRenderer->isMarkedPaused())
{
MpBuf_setSpeech(out, MP_SPEECH_TONE);
outbuf = MpBuf_getSamples(out);
if (mpStreamRenderer->getFrame((uint16_t*)outbuf) == OS_SUCCESS)
{
bSentData = TRUE ;
if (mEventState != FeederStreamPlayingEvent)
{
#ifdef MP_STREAM_DEBUG /* [ */
osPrintf("MprFromStream: FeederEvent=FeederStreamPlayingEvent\n") ;
#endif /* MP_STREAM_DEBUG ] */
mEventState = FeederStreamPlayingEvent ;
mpStreamRenderer->fromStreamUpdate(FeederStreamPlayingEvent) ;
}
}
else
{
if ( (mEventState != FeederStreamStoppedEvent) &&
(mEventState != FeederStreamAbortedEvent))
{
#ifdef MP_STREAM_DEBUG /* [ */
osPrintf("MprFromStream: FeederEvent=FeederStreamStoppedEvent\n") ;
#endif /* MP_STREAM_DEBUG ] */
mEventState = FeederStreamStoppedEvent ;
mpStreamRenderer->fromStreamUpdate(FeederStreamStoppedEvent) ;
}
disable();
}
}
else
{
if (mEventState != FeederStreamPausedEvent)
{
#ifdef MP_STREAM_DEBUG /* [ */
osPrintf("MprFromStream: FeederEvent=FeederStreamPausedEvent\n") ;
#endif /* MP_STREAM_DEBUG ] */
mEventState = FeederStreamPausedEvent ;
mpStreamRenderer->fromStreamUpdate(FeederStreamPausedEvent) ;
}
}
}
if (!bSentData)
{
outbuf = MpBuf_getSamples(out);
memset(outbuf, 0, MpBuf_getByteLen(out));
MpBuf_setSpeech(out, MP_SPEECH_SILENT);
}
}
if (NULL == out)
{
out = *inBufs;
*inBufs = NULL;
}
*outBufs = out;
return (TRUE);
}
