audio01.c

////////////////////////////////////////////////////////////////////////////////
//     
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//   / /_______________  ____  ___     / ____/
//  / __/ ___/ ___/ __ \/ __ \/ _ \   /___ )  
// / /_(__  ) /__/ /_/ / /_/ /  __/  ____/ /  
// \__/____/\___/\____/ .___/\___/  /_____/   
//                   /_/                      
//     
// audio01.c
// - Read and play a sample from a file.
// - Play with the audio settings.    
// - This example does not open a display.          
////////////////////////////////////////////////////////////////////////////////


#include <tscope5.h>
#include <stdio.h>

int main()
{
    // set audio parameters
    ts5_set_audio_frequency(TS5_44100);
    ts5_set_audio_channels(TS5_STEREO);
    ts5_set_audio_depth(TS5_FLOAT);

    // read a sample
    TS5_SAMPLE *test;
    test = ts5_read_sample("marginaal.flac");

    // get the sample length and frequency, compute time
    unsigned int l = ts5_get_sample_length(test);
    unsigned int f = ts5_get_sample_frequency(test);
    double t = (double) l / f;
    printf("sample length: %u\n", l);
    printf("sample frequence: %u\n", f);
    printf("sample time: %f\n", t);

    // play the sample, default settings
    ts5_play_sample(test);
    do {
    } while (ts5_get_sample_status(test));

    // play it at half speed
    ts5_set_sample_speed(test, 0.5);
    ts5_play_sample(test);
    do {
    } while (ts5_get_sample_status(test));
    ts5_set_sample_speed(test, 1.0);

    // play it at half the volume
    ts5_set_sample_gain(test, 0.5);
    ts5_play_sample(test);
    do {
    } while (ts5_get_sample_status(test));
    ts5_set_sample_gain(test, 1.0);

    // play on left channel
    ts5_set_sample_pan(test, -1.0);
    ts5_play_sample(test);
    do {
    } while (ts5_get_sample_status(test));
    ts5_set_sample_pan(test, 0.0);

    // play on right channel
    ts5_set_sample_pan(test, 1.0);
    ts5_play_sample(test);
    do {
    } while (ts5_get_sample_status(test));
    ts5_set_sample_pan(test, 0.0);

    // there is some delay, wait for the sample to really finish
    ts5_wait(0.5);

    // free the sample
    ts5_free_sample(test);

    return 0;
}