double PyQcsObject::getSampleRate(int index)
{
double sr = -1.0;
CsoundEngine *e = m_qcs->getEngine(index);
if (e != NULL) {
CSOUND *cs = e->getCsound();
if (cs != NULL) {
sr = (double) csoundGetSr (cs);
}
}
return sr;
}
CsPerfThreadMsg_Record(CsoundPerformanceThread *pt,
std::string filename,
int samplebits = 16,
int numbufs = 4)
: CsoundPerformanceThreadMessage(pt)
{
this->filename = filename;
CsoundPerformanceThreadMessage::lockRecord();
recordData_t *recordData = CsoundPerformanceThreadMessage::getRecordData();
if (recordData->running) {
CsoundPerformanceThreadMessage::unlockRecord();
return;
}
CSOUND * csound = pt_->GetCsound();
if (!csound) {
return;
}
int bufsize = csoundGetOutputBufferSize(csound)
* csoundGetNchnls(csound) * numbufs;
recordData->cbuf = csoundCreateCircularBuffer(csound,
bufsize,
sizeof(MYFLT));
if (!recordData->cbuf) {
csoundMessage(csound, "Could create recording buffer.");
return;
}
SF_INFO sf_info;
sf_info.samplerate = csoundGetSr(csound);
sf_info.channels = csoundGetNchnls(csound);
switch (samplebits) {
case 32:
sf_info.format = SF_FORMAT_FLOAT;
break;
case 24:
sf_info.format = SF_FORMAT_PCM_24;
break;
case 16:
default:
sf_info.format = SF_FORMAT_PCM_16;
break;
}
sf_info.format |= SF_FORMAT_WAV;
recordData->sfile = (void *) sf_open(filename.c_str(),
SFM_WRITE,
&sf_info);
if (!recordData->sfile) {
csoundMessage(csound, "Could not open file for recording.");
csoundDestroyCircularBuffer(csound, recordData->cbuf);
return;
}
sf_command((SNDFILE *) recordData->sfile, SFC_SET_CLIPPING,
NULL, SF_TRUE);
recordData->running = true;
recordData->thread = csoundCreateThread(recordThread_, (void*) recordData);
CsoundPerformanceThreadMessage::unlockRecord();
}
