a-fluidsynth: implement LV2_BANKPATCH__notify

[ardour.git] / libs / plugins / a-fluidsynth.lv2 / a-fluidsynth.cc

diff --git a/libs/plugins/a-fluidsynth.lv2/a-fluidsynth.cc b/libs/plugins/a-fluidsynth.lv2/a-fluidsynth.cc
index 0fdb01c86e29826bc0f91c549ad6de489f7e1cf5..e80875006d086a17244d96eb7845b30df9ef7204 100644 (file)
--- a/libs/plugins/a-fluidsynth.lv2/a-fluidsynth.cc
+++ b/libs/plugins/a-fluidsynth.lv2/a-fluidsynth.cc
@@ -136,6 +136,7 @@ typedef struct {
 
 #ifdef LV2_EXTENDED
        LV2_Midnam*          midnam;
+       LV2_BankPatch*       bankpatch;
        BPMap                presets;
 #endif
        pthread_mutex_t      bp_lock;
@@ -144,6 +145,7 @@ typedef struct {
        bool panic;
        bool initialized;
        bool inform_ui;
+       bool send_bankpgm;
 
        char current_sf2_file_path[1024];
        char queue_sf2_file_path[1024];
@@ -297,6 +299,8 @@ instantiate (const LV2_Descriptor*     descriptor,
 #ifdef LV2_EXTENDED
                } else if (!strcmp (features[i]->URI, LV2_MIDNAM__update)) {
                        self->midnam = (LV2_Midnam*)features[i]->data;
+               } else if (!strcmp (features[i]->URI, LV2_BANKPATCH__notify)) {
+                       self->bankpatch = (LV2_BankPatch*)features[i]->data;
 #endif
                }
        }
@@ -360,6 +364,7 @@ instantiate (const LV2_Descriptor*     descriptor,
 #endif
        self->panic = false;
        self->inform_ui = false;
+       self->send_bankpgm = true;
        self->initialized = false;
        self->reinit_in_progress = false;
        self->queue_reinit = false;
@@ -542,6 +547,13 @@ run (LV2_Handle instance, uint32_t n_samples)
                                assert (chn >= 0 && chn < 16);
                                self->program_state[chn].bank = (self->last_bank_msb << 7) | self->last_bank_lsb;
                                self->program_state[chn].program = data[1];
+#ifdef LV2_EXTENDED
+                               if (self->bankpatch) {
+                                       self->bankpatch->notify (self->bankpatch->handle, chn,
+                                                       self->program_state[chn].bank,
+                                                       self->program_state[chn].program < 0 ? 255 : self->program_state[chn].program);
+                               }
+#endif
                        }
 
                        fluid_synth_handle_midi_event (self->synth, self->fmidi_event);
@@ -559,10 +571,21 @@ run (LV2_Handle instance, uint32_t n_samples)
                self->inform_ui = false;
                inform_ui (self);
 #ifdef LV2_EXTENDED
-    self->midnam->update (self->midnam->handle);
+               self->midnam->update (self->midnam->handle);
 #endif
        }
 
+#ifdef LV2_EXTENDED
+       if (self->send_bankpgm && self->bankpatch) {
+               self->send_bankpgm = false;
+               for (uint8_t chn = 0; chn < 16; ++chn) {
+                       self->bankpatch->notify (self->bankpatch->handle, chn,
+                                       self->program_state[chn].bank,
+                                       self->program_state[chn].program < 0 ? 255 : self->program_state[chn].program);
+               }
+       }
+#endif
+
        if (n_samples > offset && self->initialized && !self->reinit_in_progress) {
                fluid_synth_write_float (
                                self->synth,
@@ -635,6 +658,7 @@ work_response (LV2_Handle  instance,
 
        self->reinit_in_progress = false;
        self->inform_ui = true;
+       self->send_bankpgm = true;
        self->queue_reinit = false;
        return LV2_WORKER_SUCCESS;
 }