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Change: Fluidsynth music driver plays through mixer instead of own audio driver

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This commit is contained in:
Niels Martin Hansen 2019-01-05 12:33:13 +01:00
parent d6c06de5ad
commit cb60a5e57f
1 changed files with 13 additions and 15 deletions
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28
src/music/fluidsynth.cpp
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@ -16,11 +16,11 @@
#include "fluidsynth.h"
#include "midifile.hpp"
#include <fluidsynth.h>
#include "../mixer.h"
static struct {
fluid_settings_t* settings; ///< FluidSynth settings handle
fluid_synth_t* synth; ///< FluidSynth synthesizer handle
fluid_audio_driver_t* adriver; ///< FluidSynth audio driver handle
fluid_player_t* player; ///< FluidSynth MIDI player handle
} _midi; ///< Metadata about the midi we're playing.
@ -42,33 +42,27 @@ static const char *default_sf[] = {
NULL
};
static void RenderMusicStream(int16 *buffer, size_t samples)
{
if (!_midi.synth || !_midi.player) return;
fluid_synth_write_s16(_midi.synth, samples, buffer, 0, 2, buffer, 1, 2);
}
const char *MusicDriver_FluidSynth::Start(const char * const *param)
{
const char *driver_name = GetDriverParam(param, "driver");
const char *sfont_name = GetDriverParam(param, "soundfont");
int sfont_id;
if (!driver_name) driver_name = "alsa";
DEBUG(driver, 1, "Fluidsynth: driver %s, sf %s", driver_name, sfont_name);
DEBUG(driver, 1, "Fluidsynth: sf %s", sfont_name);
/* Create the settings. */
_midi.settings = new_fluid_settings();
if (!_midi.settings) return "Could not create midi settings";
if (fluid_settings_setstr(_midi.settings, "audio.driver", driver_name) != 1) {
return "Could not set audio driver name";
}
/* Create the synthesizer. */
_midi.synth = new_fluid_synth(_midi.settings);
if (!_midi.synth) return "Could not open synth";
/* Create the audio driver. The synthesizer starts playing as soon
as the driver is created. */
_midi.adriver = new_fluid_audio_driver(_midi.settings, _midi.synth);
if (!_midi.adriver) return "Could not open audio driver";
/* Load a SoundFont and reset presets (so that new instruments
* get used from the SoundFont) */
if (!sfont_name) {
@ -87,13 +81,17 @@ const char *MusicDriver_FluidSynth::Start(const char * const *param)
_midi.player = NULL;
uint32 samplerate = MxSetMusicSource(RenderMusicStream);
fluid_synth_set_sample_rate(_midi.synth, samplerate);
DEBUG(driver, 1, "Fluidsynth: samplerate %.0f", (float)samplerate);
return NULL;
}
void MusicDriver_FluidSynth::Stop()
{
MxSetMusicSource(NULL);
this->StopSong();
delete_fluid_audio_driver(_midi.adriver);
delete_fluid_synth(_midi.synth);
delete_fluid_settings(_midi.settings);
}