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-rw-r--r--libs/fluidsynth/src/fluid_rvoice_event.c293
1 files changed, 293 insertions, 0 deletions
diff --git a/libs/fluidsynth/src/fluid_rvoice_event.c b/libs/fluidsynth/src/fluid_rvoice_event.c
new file mode 100644
index 0000000000..65edb9dacb
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+++ b/libs/fluidsynth/src/fluid_rvoice_event.c
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+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003 Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public License
+ * as published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#include "fluid_rvoice_event.h"
+#include "fluid_rvoice.h"
+#include "fluid_rvoice_mixer.h"
+#include "fluid_iir_filter.h"
+#include "fluid_lfo.h"
+#include "fluid_adsr_env.h"
+
+#define EVENTFUNC_0(proc, type) \
+ if (event->method == proc) { \
+ proc((type) event->object); \
+ return; }
+
+#define EVENTFUNC_R1(proc, type) \
+ if (event->method == proc) { \
+ if(event->intparam != 0) { FLUID_LOG(FLUID_DBG, "IR-mismatch"); } \
+ proc((type) event->object, event->realparams[0]); \
+ return; }
+
+#define EVENTFUNC_PTR(proc, type, type2) \
+ if (event->method == proc) { \
+ proc((type) event->object, (type2) event->ptr); \
+ return; }
+
+#define EVENTFUNC_I1(proc, type) \
+ if (event->method == proc) { \
+ if(event->realparams[0] != 0.0f) { FLUID_LOG(FLUID_DBG, "IR-mismatch"); } \
+ proc((type) event->object, event->intparam); \
+ return; }
+
+#define EVENTFUNC_IR(proc, type) \
+ if (event->method == proc) { \
+ proc((type) event->object, event->intparam, event->realparams[0]); \
+ return; }
+
+#define EVENTFUNC_ALL(proc, type) \
+ if (event->method == proc) { \
+ proc((type) event->object, event->intparam, event->realparams[0], \
+ event->realparams[1], event->realparams[2], event->realparams[3], \
+ event->realparams[4]); \
+ return; }
+
+#define EVENTFUNC_R4(proc, type) \
+ if (event->method == proc) { \
+ proc((type) event->object, event->intparam, event->realparams[0], \
+ event->realparams[1], event->realparams[2], event->realparams[3]); \
+ return; }
+
+void
+fluid_rvoice_event_dispatch(fluid_rvoice_event_t* event)
+{
+ EVENTFUNC_PTR(fluid_rvoice_mixer_add_voice, fluid_rvoice_mixer_t*, fluid_rvoice_t*);
+ EVENTFUNC_I1(fluid_rvoice_noteoff, fluid_rvoice_t*);
+ EVENTFUNC_0(fluid_rvoice_voiceoff, fluid_rvoice_t*);
+ EVENTFUNC_0(fluid_rvoice_reset, fluid_rvoice_t*);
+
+ EVENTFUNC_ALL(fluid_adsr_env_set_data, fluid_adsr_env_t*);
+
+ EVENTFUNC_I1(fluid_lfo_set_delay, fluid_lfo_t*);
+ EVENTFUNC_R1(fluid_lfo_set_incr, fluid_lfo_t*);
+
+ EVENTFUNC_R1(fluid_iir_filter_set_fres, fluid_iir_filter_t*);
+ EVENTFUNC_R1(fluid_iir_filter_set_q_dB, fluid_iir_filter_t*);
+
+ EVENTFUNC_IR(fluid_rvoice_buffers_set_mapping, fluid_rvoice_buffers_t*);
+ EVENTFUNC_IR(fluid_rvoice_buffers_set_amp, fluid_rvoice_buffers_t*);
+
+ EVENTFUNC_R1(fluid_rvoice_set_modenv_to_pitch, fluid_rvoice_t*);
+ EVENTFUNC_R1(fluid_rvoice_set_output_rate, fluid_rvoice_t*);
+ EVENTFUNC_R1(fluid_rvoice_set_root_pitch_hz, fluid_rvoice_t*);
+ EVENTFUNC_R1(fluid_rvoice_set_synth_gain, fluid_rvoice_t*);
+ EVENTFUNC_R1(fluid_rvoice_set_pitch, fluid_rvoice_t*);
+ EVENTFUNC_R1(fluid_rvoice_set_attenuation, fluid_rvoice_t*);
+ EVENTFUNC_R1(fluid_rvoice_set_min_attenuation_cB, fluid_rvoice_t*);
+ EVENTFUNC_R1(fluid_rvoice_set_viblfo_to_pitch, fluid_rvoice_t*);
+ EVENTFUNC_R1(fluid_rvoice_set_modlfo_to_pitch, fluid_rvoice_t*);
+ EVENTFUNC_R1(fluid_rvoice_set_modlfo_to_vol, fluid_rvoice_t*);
+ EVENTFUNC_R1(fluid_rvoice_set_modlfo_to_fc, fluid_rvoice_t*);
+ EVENTFUNC_R1(fluid_rvoice_set_modenv_to_fc, fluid_rvoice_t*);
+ EVENTFUNC_R1(fluid_rvoice_set_modenv_to_pitch, fluid_rvoice_t*);
+ EVENTFUNC_I1(fluid_rvoice_set_interp_method, fluid_rvoice_t*);
+ EVENTFUNC_I1(fluid_rvoice_set_start, fluid_rvoice_t*);
+ EVENTFUNC_I1(fluid_rvoice_set_end, fluid_rvoice_t*);
+ EVENTFUNC_I1(fluid_rvoice_set_loopstart, fluid_rvoice_t*);
+ EVENTFUNC_I1(fluid_rvoice_set_loopend, fluid_rvoice_t*);
+ EVENTFUNC_I1(fluid_rvoice_set_samplemode, fluid_rvoice_t*);
+ EVENTFUNC_PTR(fluid_rvoice_set_sample, fluid_rvoice_t*, fluid_sample_t*);
+
+ EVENTFUNC_R1(fluid_rvoice_mixer_set_samplerate, fluid_rvoice_mixer_t*);
+ EVENTFUNC_I1(fluid_rvoice_mixer_set_polyphony, fluid_rvoice_mixer_t*);
+ EVENTFUNC_I1(fluid_rvoice_mixer_set_reverb_enabled, fluid_rvoice_mixer_t*);
+ EVENTFUNC_I1(fluid_rvoice_mixer_set_chorus_enabled, fluid_rvoice_mixer_t*);
+ EVENTFUNC_I1(fluid_rvoice_mixer_set_mix_fx, fluid_rvoice_mixer_t*);
+ EVENTFUNC_0(fluid_rvoice_mixer_reset_fx, fluid_rvoice_mixer_t*);
+ EVENTFUNC_0(fluid_rvoice_mixer_reset_reverb, fluid_rvoice_mixer_t*);
+ EVENTFUNC_0(fluid_rvoice_mixer_reset_chorus, fluid_rvoice_mixer_t*);
+ EVENTFUNC_IR(fluid_rvoice_mixer_set_threads, fluid_rvoice_mixer_t*);
+
+ EVENTFUNC_ALL(fluid_rvoice_mixer_set_chorus_params, fluid_rvoice_mixer_t*);
+ EVENTFUNC_R4(fluid_rvoice_mixer_set_reverb_params, fluid_rvoice_mixer_t*);
+
+ FLUID_LOG(FLUID_ERR, "fluid_rvoice_event_dispatch: Unknown method %p to dispatch!", event->method);
+}
+
+
+/**
+ * In order to be able to push more than one event atomically,
+ * use push for all events, then use flush to commit them to the
+ * queue. If threadsafe is false, all events are processed immediately. */
+int
+fluid_rvoice_eventhandler_push(fluid_rvoice_eventhandler_t* handler,
+ void* method, void* object, int intparam,
+ fluid_real_t realparam)
+{
+ fluid_rvoice_event_t* event;
+ fluid_rvoice_event_t local_event;
+ event = handler->is_threadsafe ?
+ fluid_ringbuffer_get_inptr(handler->queue, handler->queue_stored) : &local_event;
+
+ if (event == NULL) {
+ FLUID_LOG(FLUID_WARN, "Ringbuffer full, try increasing polyphony!");
+ return FLUID_FAILED; // Buffer full...
+ }
+
+ event->method = method;
+ event->object = object;
+ event->intparam = intparam;
+ event->realparams[0] = realparam;
+ if (handler->is_threadsafe)
+ handler->queue_stored++;
+ else
+ fluid_rvoice_event_dispatch(event);
+ return FLUID_OK;
+}
+
+
+int
+fluid_rvoice_eventhandler_push_ptr(fluid_rvoice_eventhandler_t* handler,
+ void* method, void* object, void* ptr)
+{
+ fluid_rvoice_event_t* event;
+ fluid_rvoice_event_t local_event;
+ event = handler->is_threadsafe ?
+ fluid_ringbuffer_get_inptr(handler->queue, handler->queue_stored) : &local_event;
+
+ if (event == NULL) {
+ FLUID_LOG(FLUID_WARN, "Ringbuffer full, try increasing polyphony!");
+ return FLUID_FAILED; // Buffer full...
+ }
+
+ event->method = method;
+ event->object = object;
+ event->ptr = ptr;
+ if (handler->is_threadsafe)
+ handler->queue_stored++;
+ else
+ fluid_rvoice_event_dispatch(event);
+ return FLUID_OK;
+}
+
+
+int
+fluid_rvoice_eventhandler_push5(fluid_rvoice_eventhandler_t* handler,
+ void* method, void* object, int intparam,
+ fluid_real_t r1, fluid_real_t r2,
+ fluid_real_t r3, fluid_real_t r4, fluid_real_t r5)
+{
+ fluid_rvoice_event_t* event;
+ fluid_rvoice_event_t local_event;
+ event = handler->is_threadsafe ?
+ fluid_ringbuffer_get_inptr(handler->queue, handler->queue_stored) : &local_event;
+
+ if (event == NULL) {
+ FLUID_LOG(FLUID_WARN, "Ringbuffer full, try increasing polyphony!");
+ return FLUID_FAILED; // Buffer full...
+ }
+
+ event->method = method;
+ event->object = object;
+ event->intparam = intparam;
+ event->realparams[0] = r1;
+ event->realparams[1] = r2;
+ event->realparams[2] = r3;
+ event->realparams[3] = r4;
+ event->realparams[4] = r5;
+ if (handler->is_threadsafe)
+ handler->queue_stored++;
+ else
+ fluid_rvoice_event_dispatch(event);
+ return FLUID_OK;
+}
+
+
+static void
+finished_voice_callback(void* userdata, fluid_rvoice_t* rvoice)
+{
+ fluid_rvoice_eventhandler_t* eventhandler = userdata;
+ fluid_rvoice_t** vptr = fluid_ringbuffer_get_inptr(eventhandler->finished_voices, 0);
+ if (vptr == NULL)
+ return; // Buffer full
+ *vptr = rvoice;
+ fluid_ringbuffer_next_inptr(eventhandler->finished_voices, 1);
+}
+
+fluid_rvoice_eventhandler_t*
+new_fluid_rvoice_eventhandler(int is_threadsafe, int queuesize,
+ int finished_voices_size, int bufs, int fx_bufs, fluid_real_t sample_rate)
+{
+ fluid_rvoice_eventhandler_t* eventhandler = FLUID_NEW(fluid_rvoice_eventhandler_t);
+ if (eventhandler == NULL) {
+ FLUID_LOG(FLUID_ERR, "Out of memory");
+ return NULL;
+ }
+ eventhandler->mixer = NULL;
+ eventhandler->queue = NULL;
+ eventhandler->finished_voices = NULL;
+ eventhandler->is_threadsafe = is_threadsafe;
+ eventhandler->queue_stored = 0;
+
+ eventhandler->finished_voices = new_fluid_ringbuffer(finished_voices_size,
+ sizeof(fluid_rvoice_t*));
+ if (eventhandler->finished_voices == NULL)
+ goto error_recovery;
+
+ eventhandler->queue = new_fluid_ringbuffer(queuesize, sizeof(fluid_rvoice_event_t));
+ if (eventhandler->queue == NULL)
+ goto error_recovery;
+
+ eventhandler->mixer = new_fluid_rvoice_mixer(bufs, fx_bufs, sample_rate);
+ if (eventhandler->mixer == NULL)
+ goto error_recovery;
+ fluid_rvoice_mixer_set_finished_voices_callback(eventhandler->mixer,
+ finished_voice_callback, eventhandler);
+ return eventhandler;
+
+error_recovery:
+ delete_fluid_rvoice_eventhandler(eventhandler);
+ return NULL;
+}
+
+int
+fluid_rvoice_eventhandler_dispatch_count(fluid_rvoice_eventhandler_t* handler)
+{
+ return fluid_ringbuffer_get_count(handler->queue);
+}
+
+
+/**
+ * Call fluid_rvoice_event_dispatch for all events in queue
+ * @return number of events dispatched
+ */
+int
+fluid_rvoice_eventhandler_dispatch_all(fluid_rvoice_eventhandler_t* handler)
+{
+ fluid_rvoice_event_t* event;
+ int result = 0;
+ while (NULL != (event = fluid_ringbuffer_get_outptr(handler->queue))) {
+ fluid_rvoice_event_dispatch(event);
+ result++;
+ fluid_ringbuffer_next_outptr(handler->queue);
+ }
+ return result;
+}
+
+
+void
+delete_fluid_rvoice_eventhandler(fluid_rvoice_eventhandler_t* handler)
+{
+ if (handler == NULL) return;
+ delete_fluid_rvoice_mixer(handler->mixer);
+ delete_fluid_ringbuffer(handler->queue);
+ delete_fluid_ringbuffer(handler->finished_voices);
+ FLUID_FREE(handler);
+}
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