OsStatus mpStartUp(int sampleRate, int samplesPerFrame,
int numAudioBuffers, OsConfigDb* pConfigDb,
const size_t numCodecPaths, const UtlString codecPaths[])
{
// TODO:
// This should be broken down into separate arguments for:
// Max number of flowgraphs
// Max number of calls
// Max calls/streams per flowgraph
// Buffers used/stream or used/flowgraph
// Approximate based upon current media interface initialization
int maxCalls = numAudioBuffers / 16;
#ifdef _VXWORKS
int defSilenceSuppressLevel = 10000;
#else
int defSilenceSuppressLevel = 0;
#endif
OsStatus resCode;
UtlBoolean silenceSuppressFlag;
UtlString silenceSuppressEnable;
int silenceSuppressLevel;
assert(samplesPerFrame >= 8);
showMpMisc(TRUE);
RTL_START(100000000);
setExternalRtlCollector(sRealtimeLogCollector);
// First initialize static codecs
mpStaticCodecInitializer();
MpCodecFactory* pcf = MpCodecFactory::getMpCodecFactory();
if(numCodecPaths != 0)
{
size_t i;
for(i = 0; i < numCodecPaths; i++)
{
pcf->loadAllDynCodecs(codecPaths[i].data(), CODEC_PLUGINS_FILTER);
}
}
else
{
pcf->loadAllDynCodecs(CODEC_PLUGIN_PATH, CODEC_PLUGINS_FILTER);
}
#ifdef _VXWORKS /* [ */
/* Rashly assumes page size is a power of two */
MpMisc.mem_page_size = goGetThePageSize();
MpMisc.mem_page_mask = MpMisc.mem_page_size - 1;
#endif /* _VXWORKS ] */
MpMisc.sampleBytes = sizeof(MpAudioSample);
MpMisc.frameSamples = samplesPerFrame;
MpMisc.frameBytes = MpMisc.sampleBytes * MpMisc.frameSamples;
MpMisc.rtpMaxBytes = /* sizeof(struct RtpHeader) */ 12 +
(((sampleRate + 24) / 25) * MpMisc.sampleBytes);
// Create buffer for audio data in mediagraph
MpMisc.RawAudioPool = new MpBufPool( samplesPerFrame*sizeof(MpAudioSample)
+ MpArrayBuf::getHeaderSize(),
numAudioBuffers,
"RawAudioPool");
Nprintf( "mpStartUp: MpMisc.RawAudioPool = 0x%X\n"
, (int) MpMisc.RawAudioPool, 0,0,0,0,0);
if (NULL == MpMisc.RawAudioPool) {
return OS_NO_MEMORY;
}
// Create buffer for audio headers
int audioBuffers = MpMisc.RawAudioPool->getNumBlocks();
MpMisc.AudioHeadersPool = new MpBufPool(sizeof(MpAudioBuf), audioBuffers, "AudioHeadersPool");
Nprintf( "mpStartUp: MpMisc.AudioHeadersPool = 0x%X\n"
, (int) MpMisc.AudioHeadersPool, 0,0,0,0,0);
if (NULL == MpMisc.AudioHeadersPool) {
// TODO:: Think about proper resource deallocation on fail in mpStartUp()
return OS_NO_MEMORY;
}
MpAudioBuf::smpDefaultPool = MpMisc.AudioHeadersPool;
/*
* 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.
*/
{
MpAudioBufPtr sb = MpMisc.RawAudioPool->getBuffer();
if (!sb.isValid()) {
Zprintf("\n\mpStartUp:"
" MpBufPool::getBuffer() failed, quitting!\n\n\n",
0,0,0,0,0,0);
delete MpMisc.RawAudioPool;
MpMisc.RawAudioPool = NULL;
return OS_LIMIT_REACHED;
}
sb->setSamplesNumber(samplesPerFrame);
memset(sb->getSamplesWritePtr(), 0, sb->getSamplesNumber()*sizeof(MpAudioSample));
sb->setSpeechType(MP_SPEECH_SILENT);
MpMisc.mpFgSilence = sb;
Zprintf("mpStartUp: MpMisc.silence = 0x%X\n",
(int) MpMisc.mpFgSilence, 0,0,0,0,0);
}
OsStatus mpStartUp(int sampleRate, int samplesPerFrame,
int numAudioBuffers, OsConfigDb* pConfigDb)
{
#ifdef _VXWORKS
int defSilenceSuppressLevel = 10000;
#else
int defSilenceSuppressLevel = 0;
#endif
OsStatus resCode;
UtlBoolean silenceSuppressFlag;
UtlString silenceSuppressEnable;
int silenceSuppressLevel;
if (samplesPerFrame < 8) samplesPerFrame = 80;
samplesPerFrame = min(samplesPerFrame, FRAME_SAMPS);
showMpMisc(TRUE);
MpMisc.micMuteStatus = MpMisc.spkrMuteStatus = 0;
#ifdef _VXWORKS /* [ */
/* Rashly assumes page size is a power of two */
MpMisc.mem_page_size = goGetThePageSize();
MpMisc.mem_page_mask = MpMisc.mem_page_size - 1;
#endif /* _VXWORKS ] */
MpMisc.sampleBytes = sizeof(short);
MpMisc.frameSamples = samplesPerFrame;
MpMisc.frameBytes = MpMisc.sampleBytes * MpMisc.frameSamples;
MpMisc.rtpMaxBytes = /* sizeof(struct rtpHeader) */ 12 +
(((sampleRate + 24) / 25) * MpMisc.sampleBytes);
MpMisc.audio_on = 0;
if (OS_SUCCESS != MpBuf_init(samplesPerFrame, numAudioBuffers)) {
return OS_UNSPECIFIED;
}
// Use the config database to determine the silence supression level
silenceSuppressFlag = FALSE;
silenceSuppressLevel = defSilenceSuppressLevel;
if (pConfigDb)
{
resCode = pConfigDb->get("PHONESET_SILENCE_SUPPRESSION",
silenceSuppressEnable);
if (resCode == OS_SUCCESS)
{
silenceSuppressFlag =
(silenceSuppressEnable.compareTo("enable",
UtlString::ignoreCase) == 0);
}
resCode = pConfigDb->get("PHONESET_SILENCE_SUPPRESSION_LEVEL",
silenceSuppressLevel);
if ((resCode != OS_SUCCESS) ||
(silenceSuppressLevel < 0) ||
(silenceSuppressLevel > 20000))
{
silenceSuppressLevel = defSilenceSuppressLevel;
}
}
if (silenceSuppressFlag)
MpBuf_setMVE(silenceSuppressLevel);
else
MpBuf_setMVE(0);
#ifdef WIN32 /* [ */
// Adjust initial audio latency if specified in config files:
if (pConfigDb)
{
UtlString latency;
static const int MS_PER_FRAME = 10;
int frames;
resCode = pConfigDb->get("PHONESET_INITIAL_OUTPUT_LATENCY_MS",
latency);
if (resCode == OS_SUCCESS)
{
frames = atoi(latency.data()) / MS_PER_FRAME;
DmaTask_setSpkrQPreload(frames);
}
resCode = pConfigDb->get("PHONESET_INITIAL_INPUT_LATENCY_MS",
latency);
if (resCode == OS_SUCCESS)
{
frames = atoi(latency.data()) / MS_PER_FRAME;
DmaTask_setMicQPreload(frames);
}
}
#endif /* WIN32 ] */
#ifdef _VXWORKS /* [ */
if (OS_SUCCESS != MpCodecOpen(sampleRate, START_GAIN, START_VOLUME)) {
return OS_UNSPECIFIED;
}
#endif /* _VXWORKS ] */
if (NULL != MpMisc.pMicQ) {
OsMsgQ* q = MpMisc.pMicQ;
MpMisc.pMicQ = NULL;
delete q;
}
if (NULL != MpMisc.pSpkQ) {
OsMsgQ* q = MpMisc.pSpkQ;
MpMisc.pSpkQ = NULL;
delete q;
}
if (NULL != MpMisc.pEchoQ) {
OsMsgQ* q = MpMisc.pEchoQ;
MpMisc.pEchoQ = NULL;
delete q;
}
#ifdef _VXWORKS /* [ */
if (NULL != MpMisc.pLoopBackQ) {
OsMsgQ* q = MpMisc.pLoopBackQ;
MpMisc.pLoopBackQ = NULL;
delete q;
}
#endif /* _VXWORKS ] */
assert(
(MIC_BUFFER_Q_LEN+SPK_BUFFER_Q_LEN+MIC_BUFFER_Q_LEN) <
(MpBufPool_getNumBufs(MpMisc.UcbPool)-3));
MpMisc.pMicQ = new OsMsgQ("mpStartUp::MpMisc.pMicQ", MIC_BUFFER_Q_LEN);
MpMisc.pSpkQ = new OsMsgQ("mpStartUp::MpMisc.pSpkQ", SPK_BUFFER_Q_LEN);
MpMisc.pEchoQ = new OsMsgQ("mpStartUp::MpMisc.pEchoQ", MIC_BUFFER_Q_LEN);
#ifdef _VXWORKS /* [ */
MpMisc.doLoopBack = 0;
MpMisc.pLoopBackQ = new OsMsgQ("mpStartUp::MpMisc.pLoopBackQ", MIC_BUFFER_Q_LEN);
#endif /* _VXWORKS ] */
assert(MprFromMic::MAX_MIC_BUFFERS > 0);
assert(MprToSpkr::MAX_SPKR_BUFFERS > 0);
assert(MprDecode::MIN_RTP_PACKETS > 0);
setMaxMic(MprFromMic::MAX_MIC_BUFFERS - 1);
setMaxSpkr(MprToSpkr::MAX_SPKR_BUFFERS);
setMinRtp(MprDecode::MIN_RTP_PACKETS);
mpStopSawTooth();
return OS_SUCCESS;
}
