int main(int argc, char **argv)
{
printf("Playing test.mp3\n\nPress q to end\n\n");
// create class instance using class factory.
ZPlay *player = CreateZPlay();
// open file
int result = player->OpenFile("test.mp3", sfAutodetect);
if(result == 0)
{
// display error message
printf("Error: %s\n", player->GetError());
player->Release();
return 0;
}
// get song length
TStreamInfo info;
player->GetStreamInfo(&info);
printf("Length: %02u:%02u:%02u:%03u\n\n", info.Length.hms.hour,
info.Length.hms.minute,
info.Length.hms.second,
info.Length.hms.millisecond);
// we will cut all from 5000 Hz to 10000 Hz,
// so we need to create custom equalizer bands because
// we need exact frequency bounds.
// band0: 0 - 5000 Hz
// band1: 5000 - 10000 Hz
// band2: 10000 - samplerate/2
// define 2 points to devide frequancy range into 3 bands
// band: 0 1 2
// range: 0 - 5000 - 10000 - samplerate/2
int nFreqPoint[2] = {5000, 10000};
player->SetEqualizerPoints(nFreqPoint, 2);
// now we need to lower gain of band1 for 100 decibels
// band gain is expressed in millidecibels, thousandth of decibel
player->SetEqualizerBandGain(1, -100000);
// enable equalizer
player->EnableEqualizer(1);
// set graph type to AREA, left channel on top
player->SetFFTGraphParam(gpGraphType, gtAreaLeftOnTop);
// set linear scale
player->SetFFTGraphParam(gpHorizontalScale, gsLinear);
// start playing
player->Play();
// display position and wait for song end
while(1)
{
// check key press
if(kbhit())
{
int a = getch();
if(a == 'q' || a == 'Q')
break; // end program if Q key is pressed
}
// get stream status to check if song is still playing
TStreamStatus status;
player->GetStatus(&status);
if(status.fPlay == 0)
break; // exit checking loop
// get current position
TStreamTime pos;
player->GetPosition(&pos);
// display position
printf("Pos: %02u:%02u:%02u:%03u\r", pos.hms.hour, pos.hms.minute, pos.hms.second, pos.hms.millisecond);
// draw FFT graph on desktop window
player->DrawFFTGraphOnHWND(0, 0, 0, 300, 200);
Sleep(50); // wait 300 ms
}
// destroy class instance
player->Release();
// we are drawing directly on desktop window, so we need
// to remove our graph by redrawind this area on screen
RECT rc;
rc.top = 0;
rc.left = 0;
rc.right = 300;
rc.bottom = 200;
InvalidateRect(0, &rc, TRUE);
return 0;
}
int main(int argc, char **argv)
{
printf("Playing test.mp3\n\nPress q to end\n\n");
// create class instance using class factory.
ZPlay *player = CreateZPlay();
// open file
int result = player->OpenFile("test.mp3", sfAutodetect);
if(result == 0)
{
// display error message
printf("Error: %s\n", player->GetError());
player->Release();
return 0;
}
// get song length
TStreamInfo info;
player->GetStreamInfo(&info);
printf("Length: %02u:%02u:%02u:%03u\n\n", info.Length.hms.hour,
info.Length.hms.minute,
info.Length.hms.second,
info.Length.hms.millisecond);
// set graph type to AREA, left channel on top
player->SetFFTGraphParam(gpGraphType, gtAreaLeftOnTop);
// set linear scale
player->SetFFTGraphParam(gpHorizontalScale, gsLinear);
// start playing
player->Play();
// display position and wait for song end
while(1)
{
// check key press
if(kbhit())
{
int a = getch();
if(a == 'q' || a == 'Q')
break; // end program if Q key is pressed
}
// get stream status to check if song is still playing
TStreamStatus status;
player->GetStatus(&status);
if(status.fPlay == 0)
break; // exit checking loop
// get current position
TStreamTime pos;
player->GetPosition(&pos);
// display position
printf("Pos: %02u:%02u:%02u:%03u\r", pos.hms.hour, pos.hms.minute, pos.hms.second, pos.hms.millisecond);
// draw FFT graph on desktop window
player->DrawFFTGraphOnHWND(0, 0, 0, 300, 200);
Sleep(50); // wait 300 ms
}
// destroy class instance
player->Release();
// we are drawing directly on desktop window, so we need
// to remove our graph by redrawind this area on screen
RECT rc;
rc.top = 0;
rc.left = 0;
rc.right = 300;
rc.bottom = 200;
InvalidateRect(0, &rc, TRUE);
return 0;
}
