int main(int argc, char *argv[])
{
int buffer_size, fs, device = 0;
RtAudio *audio;
double *data;
char input;
// minimal command-line checking
if (argc != 3 && argc != 4 ) usage();
chans = (int) atoi(argv[1]);
fs = (int) atoi(argv[2]);
if ( argc == 4 )
device = (int) atoi(argv[3]);
// Open the realtime output device
buffer_size = 1024;
try {
audio = new RtAudio(device, chans, 0, 0,
FORMAT, fs, &buffer_size, 4);
}
catch (RtError &error) {
error.printMessage();
exit(EXIT_FAILURE);
}
data = (double *) calloc(chans, sizeof(double));
try {
audio->setStreamCallback(&saw, (void *)data);
audio->startStream();
}
catch (RtError &error) {
error.printMessage();
goto cleanup;
}
std::cout << "\nPlaying ... press <enter> to quit (buffer size = " << buffer_size << ").\n";
std::cin.get(input);
// Stop the stream.
try {
audio->stopStream();
}
catch (RtError &error) {
error.printMessage();
}
cleanup:
audio->closeStream();
delete audio;
if (data) free(data);
return 0;
}
int main(int argc, char *argv[])
{
int chans, fs, device = 0;
RtAudio *audio;
char input;
// minimal command-line checking
if (argc != 3 && argc != 4 ) usage();
chans = (int) atoi(argv[1]);
fs = (int) atoi(argv[2]);
if ( argc == 4 )
device = (int) atoi(argv[3]);
// Open the realtime output device
int buffer_size = 512;
try {
audio = new RtAudio(device, chans, device, chans,
FORMAT, fs, &buffer_size, 8);
}
catch (RtError &error) {
error.printMessage();
exit(EXIT_FAILURE);
}
try {
audio->setStreamCallback(&inout, NULL);
audio->startStream();
}
catch (RtError &error) {
error.printMessage();
goto cleanup;
}
std::cout << "\nRunning ... press <enter> to quit (buffer size = " << buffer_size << ").\n";
std::cin.get(input);
try {
audio->stopStream();
}
catch (RtError &error) {
error.printMessage();
}
cleanup:
audio->closeStream();
delete audio;
return 0;
}
// entry point
int main( int argc, char ** argv )
{
// initialize GLUT
glutInit( &argc, argv );
// double buffer, use rgb color, enable depth buffer
glutInitDisplayMode( GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH );
// initialize the window size
glutInitWindowSize( g_width, g_height );
// set the window postion
glutInitWindowPosition( 100, 100 );
// create the window
glutCreateWindow( "VisualSine" );
// set the idle function - called when idle
glutIdleFunc( idleFunc );
// set the display function - called when redrawing
glutDisplayFunc( displayFunc );
// set the reshape function - called when client area changes
glutReshapeFunc( reshapeFunc );
// set the keyboard function - called on keyboard events
glutKeyboardFunc( keyboardFunc );
// set the mouse function - called on mouse stuff
glutMouseFunc( mouseFunc );
// RtAudio pointer
RtAudio * audio = NULL;
// buffer size
int buffer_size = 512;
// create the RtAudio
try {
audio = new RtAudio(
0, // device number of output
1, // number of output channels
1, // device number for input
1, // number of input channels
RTAUDIO_FLOAT64, // format
MY_SRATE, // sample rate
&buffer_size, // buffer size
8 // number of buffers
);
} catch( RtError & err ) {
err.printMessage();
exit(1);
}
// allocate global buffer
g_buffer = new SAMPLE[buffer_size];
g_bufferSize = buffer_size;
// set the callback
try {
audio->setStreamCallback( &callme, NULL );
audio->startStream();
} catch( RtError & err ) {
// do stuff
err.printMessage();
goto cleanup;
}
// let GLUT handle the current thread from here
glutMainLoop();
// if we get here, then stop!
try {
audio->stopStream();
} catch( RtError & err ) {
// do stuff
err.printMessage();
}
cleanup:
audio->closeStream();
delete audio;
return 0;
}