Class CsPerfThreadMsg_Record

interfaces/csPerfThread.cpp:154–240

}

class CsPerfThreadMsg_Record: public CsoundPerformanceThreadMessage {
public:
    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);