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/*
An example of how to use FluidSynth.
To compile it on Linux:
$ gcc -o example example.c `pkg-config fluidsynth --libs`
To compile it on Windows:
...
Author: Peter Hanappe.
This code is in the public domain. Use it as you like.
*/
#include <fluidsynth.h>
#if defined(_WIN32)
#include <windows.h>
#define sleep(_t) Sleep(_t * 1000)
#include <process.h>
#define getpid _getpid
#else
#include <stdlib.h>
#include <unistd.h>
#endif
int main(int argc, char **argv)
{
fluid_settings_t *settings = NULL;
fluid_synth_t *synth = NULL;
fluid_audio_driver_t *adriver = NULL;
int sfont_id;
int i, key;
/* Create the settings. */
settings = new_fluid_settings();
if(settings == NULL)
{
puts("Failed to create the settings!");
goto err;
}
/* Change the settings if necessary*/
/* Create the synthesizer. */
synth = new_fluid_synth(settings);
if(synth == NULL)
{
puts("Failed to create the synth!");
goto err;
}
/* Load a SoundFont and reset presets (so that new instruments
* get used from the SoundFont)
* Depending on the size of the SoundFont, this will take some time to complete...
*/
sfont_id = fluid_synth_sfload(synth, "example.sf2", 1);
if(sfont_id == FLUID_FAILED)
{
puts("Loading the SoundFont failed!");
goto err;
}
/* Create the audio driver. The synthesizer starts playing as soon
as the driver is created. */
adriver = new_fluid_audio_driver(settings, synth);
if(adriver == NULL)
{
puts("Failed to create the audio driver!");
goto err;
}
/* Initialize the random number generator */
srand(getpid());
for(i = 0; i < 12; i++)
{
/* Generate a random key */
key = 60 + (int)(12.0f * rand() / (float) RAND_MAX);
/* Play a note */
fluid_synth_noteon(synth, 0, key, 80);
/* Sleep for 1 second */
sleep(1);
/* Stop the note */
fluid_synth_noteoff(synth, 0, key);
}
err:
/* Clean up */
delete_fluid_audio_driver(adriver);
delete_fluid_synth(synth);
delete_fluid_settings(settings);
return 0;
}
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