examples/newsound5.c

/*
          __
         / /_______________  ____  ___
        / __/ ___/ ___/ __ \/ __ \/ _ \
       / /_(__  ) /__/ /_/ / /_/ /  __/
       \__/____/\___/\____/ .___/\___/
                         /_/

    newsound5.c
    record, play and save a wav file (non blocking API)
    unlimited length (dump recording to file)
    (no need to open a graphics window)
*/

#include <tscope.h>

int main()
{
    // make a sample pointer
    snd2_sample *samp;

    // allocate memory for a 15000 ms recording
    samp=snd2_makesample(15000);

    // make a stream pointer
    snd2_stream *stream;
        
    // start recording the sample
    stream = snd2_recordsample(samp);
    float onset_opname=snd2_getstreamtime(stream);

    // give the recorder some time to start 
    ts_wait(mtt(1000)); 
        
    float streammarkers[5];
    __int64 samplemarkers[5];
    
    int i;
    for (i=0; i<5; i++) {
        
        // onset of the 'trial'
        streammarkers[i]=snd2_getstreamtime(stream) - onset_opname; 
        samplemarkers[i]=snd2_getsampletime(samp); 
        
        // run a trial
        printf ("trial %d onset: %f %lld\n", i, streammarkers[i], samplemarkers[i]);
        ts_wait(mtt(1000));
        
        // after each trial dump the recording buffer to disk
        snd2_tobuffer(samp);
        
    }

    // at the end of the experiment stop recording 
    snd2_stopsample(stream);
    
    // and dump the final buffer to disk
    snd2_tobuffer(samp);

    // kill the sample
    snd2_killsample(samp);

    // read the buffer and write it to a wave file
    snd2_frombuffer(samp);
    snd2_writesample(samp, "sample.wav");
    snd2_playsample_blocking(samp); 
    remove("buff.raw");
    return 0;
}
END_OF_MAIN();
top