/usr/share/doc/libfluidsynth-dev/examples/example.c is in libfluidsynth-dev 1.1.6-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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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)
#else
#include <stdlib.h>
#endif
int main(int argc, char** argv)
{
fluid_settings_t* settings;
fluid_synth_t* synth;
fluid_audio_driver_t* adriver;
int sfont_id;
int i, key;
/* Create the settings. */
settings = new_fluid_settings();
/* Change the settings if necessary*/
/* Create the synthesizer. */
synth = new_fluid_synth(settings);
/* Create the audio driver. The synthesizer starts playing as soon
as the driver is created. */
adriver = new_fluid_audio_driver(settings, synth);
/* Load a SoundFont and reset presets (so that new instruments
* get used from the SoundFont) */
sfont_id = fluid_synth_sfload(synth, "example.sf2", 1);
/* 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);
}
/* Clean up */
delete_fluid_audio_driver(adriver);
delete_fluid_synth(synth);
delete_fluid_settings(settings);
return 0;
}
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