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@pedrolcl
Last active Mar 5, 2021
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FluidSynth Soundfont Instruments enumeration - An example of using fluidsynth2 in C
cmake_minimum_required(VERSION 3.5)
project(instenum LANGUAGES C)
find_package ( PkgConfig REQUIRED )
pkg_check_modules ( FLUIDSYNTH REQUIRED IMPORTED_TARGET fluidsynth )
if (FLUIDSYNTH_FOUND)
add_executable(instenum fluidsynth_inst2.c)
target_link_libraries ( instenum PRIVATE PkgConfig::FLUIDSYNTH )
endif ()
/* FluidSynth Instruments - An example of using fluidsynth2
*
* This code is in the public domain.
*
* To compile:
* gcc -o fluidsynth_inst2 fluidsynth_inst2.c -lfluidsynth
*
* To run
* fluidsynth_inst2 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;
}
sfont = fluid_synth_get_sfont_by_id(synth, sfid);
if (sfont != NULL) {
fluid_preset_t *preset;
fluid_sfont_iteration_start(sfont);
while ((preset = fluid_sfont_iteration_next(sfont)) != NULL) {
int bank = fluid_preset_get_banknum(preset);
int prog = fluid_preset_get_num(preset);
const char* name = fluid_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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