TamTamSound(log_t * ll, char * orc, int framerate )
: ThreadID(NULL), PERF_STATUS(STOP), csound(NULL),
music(),
ticks_per_period(0.0),
tick_adjustment(0.0),
tick_total(0.0),
csound_frame_rate(framerate), //must agree with the orchestra file
ll( ll )
{
csound = csoundCreate(NULL);
int argc=4;
const char **argv = (const char**)malloc(argc*sizeof(char*));
argv[0] = "csound";
argv[1] = "-m0";
argv[2] = "-+rtaudio=alsa";
argv[3] = orc;
ll->printf(1, "loading csound orchestra file %s\n", orc);
//csoundInitialize(&argc, &argv, 0);
csoundPreCompile(csound);
int result = csoundCompile(csound, argc, (char**)argv);
if (result)
{
csound = NULL;
ll->printf( "ERROR: csoundCompile of orchestra %s failed with code %i\n", orc, result);
}
free(argv);
csound_period_size = csoundGetOutputBufferSize(csound);
csound_period_size /= 2; /* channels */
setTickDuration(0.05);
}
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();
}
