On Sunday 03 August 2014 18:26:25 Element Green wrote:
> some of the functions are in public headers, but not all of them. For
> example fluid_sfont_iteration_next() is defined in the private header at
> src/sfloader/fluid_sfont.h. Its a simple macro though, which could
> theoretically be done from ones own code, although this seems pretty
> hackish to me. But it would work. Not sure why these weren't put in
> public headers to begin with, since they seem downright useful.
Hi,
The public header is <fluidsynth/sfont.h>
Public API documentation is here:
http://fluidsynth.sourceforge.net/api/struct__fluid__sfont__t.html
http://fluidsynth.sourceforge.net/api/sfont_8h.html
A simple example in C is attached.
Regards,
Pedro
/* FluidSynth Instruments - An example of using fluidsynth
*
* This code is in the public domain.
*
* To compile:
* gcc -o fluidsynth_instr fluidsynth_instr.c -lfluidsynth
*
* To run
* fluidsynth_instr soundfont
*
* [Pedro López-Cabanillas]
*
*/
#include <stdio.h>
#include <fluidsynth.h>
int main(int argc, char** argv)
{
fluid_settings_t* settings = NULL;
fluid_synth_t* synth = NULL;
fluid_sfont_t* sfont = NULL;
int err = 0, sfid = -1;
if (argc != 2) {
fprintf(stderr, "Usage: fluidsynth_instr [soundfont]\n");
return 1;
}
/* Create the settings object. This example uses the default
* values for the settings. */
settings = new_fluid_settings();
if (settings == NULL) {
fprintf(stderr, "Failed to create the settings\n");
err = 2;
goto cleanup;
}
/* Create the synthesizer */
synth = new_fluid_synth(settings);
if (synth == NULL) {
fprintf(stderr, "Failed to create the synthesizer\n");
err = 3;
goto cleanup;
}
/* Load the soundfont */
sfid = fluid_synth_sfload(synth, argv[1], 1);
if (sfid == -1) {
fprintf(stderr, "Failed to load the SoundFont\n");
err = 4;
goto cleanup;
}
/* Iterate soundfont's presets */
sfont = fluid_synth_get_sfont_by_id(synth, sfid);
if (sfont) {
fluid_preset_t preset;
sfont->iteration_start(sfont);
while (sfont->iteration_next(sfont, &preset)) {
int bank = preset.get_banknum(&preset);
int prog = preset.get_num(&preset);
char* name = preset.get_name(&preset);
printf("bank: %d prog: %d name: %s\n", bank, prog, name);
}
}
printf("done\n");
cleanup:
if (synth) {
delete_fluid_synth(synth);
}
if (settings) {
delete_fluid_settings(settings);
}
return err;
}
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