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ACE fluidsynth: unload soundfonts after use, refill channels #9837

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This commit is contained in:
Robin Gareus 2024-11-03 19:03:19 +01:00
parent f0ec6b5bda
commit c9645723de
Signed by: rgareus
GPG Key ID: A090BCE02CF57F04
1 changed files with 25 additions and 7 deletions
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32
libs/plugins/a-fluidsynth.lv2/a-fluidsynth.cc
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@ -99,17 +99,20 @@ struct BankProgram {
: name (n)
, bank (b)
, program (p)
, user_set (false)
{}
BankProgram (const BankProgram& other)
: name (other.name)
, bank (other.bank)
, program (other.program)
, user_set (other.user_set)
{}
std::string name;
int bank;
int program;
bool user_set;
};
typedef std::vector<BankProgram> BPList;
@ -186,7 +189,11 @@ typedef struct {
static bool
load_sf2 (AFluidSynth* self, const char* fn)
{
const int synth_id = fluid_synth_sfload (self->synth, fn, 1);
while (fluid_synth_sfcount (self->synth) > 0) {
fluid_synth_remove_sfont (self->synth, fluid_synth_get_sfont (self->synth, 0));
}
const int synth_id = fluid_synth_sfload (self->synth, fn, 0);
#ifdef LV2_EXTENDED
pthread_mutex_lock (&self->bp_lock);
@ -224,13 +231,20 @@ load_sf2 (AFluidSynth* self, const char* fn)
fluid_preset_get_num (preset)));
#endif // LV2_EXTENDED
}
pthread_mutex_unlock (&self->bp_lock);
if (chn == 0) {
return false;
if (chn > 0 && chn < 16) {
/* fill remaining channels */
fluid_sfont_iteration_start (sfont);
fluid_preset_t* preset = fluid_sfont_iteration_next (sfont);
for (;chn < 16; ++chn) {
fluid_synth_program_select (self->synth, chn, synth_id,
fluid_preset_get_banknum (preset), fluid_preset_get_num (preset));
}
}
return true;
pthread_mutex_unlock (&self->bp_lock);
return chn > 0;
}
static const LV2_Atom*
@ -472,6 +486,7 @@ instantiate (const LV2_Descriptor* descriptor,
self->queue_retune = false;
for (int chn = 0; chn < 16; ++chn) {
self->program_state[chn].program = -1;
self->program_state[chn].user_set = false;
}
lv2_atom_forge_init (&self->forge, map);
@ -676,8 +691,9 @@ run (LV2_Handle instance, uint32_t n_samples)
int chn = fluid_midi_event_get_channel (self->fmidi_event);
assert (chn >= 0 && chn < 16);
self->program_state[chn].program = data[1];
self->program_state[chn].user_set = true;
#ifdef LV2_EXTENDED
if (self->bankpatch) {
if (self->bankpatch && self->initialized) {
self->bankpatch->notify (self->bankpatch->handle, chn,
self->program_state[chn].bank,
self->program_state[chn].program < 0 ? 255 : self->program_state[chn].program);
@ -798,7 +814,7 @@ work_response (LV2_Handle instance,
strcpy (self->current_sf2_file_path, self->queue_sf2_file_path);
for (int chn = 0; chn < 16; ++chn) {
if (self->program_state[chn].program < 0) {
if (self->program_state[chn].program < 0 || !self->program_state[chn].user_set) {
continue;
}
/* cannot direcly call fluid_channel_set_bank_msb/fluid_channel_set_bank_lsb, use CCs */
@ -823,6 +839,8 @@ work_response (LV2_Handle instance,
if (FLUID_OK == fluid_synth_get_program (self->synth, chn, &sfid, &bank, &program)) {
self->program_state[chn].bank = bank;
self->program_state[chn].program = program;
} else {
self->program_state[chn].program = -1;
}
}
if (self->queue_retune) {