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-rw-r--r--attic/muse_qt4_evolution/synti/simpledrums/simpledrums.cpp1719
1 files changed, 1719 insertions, 0 deletions
diff --git a/attic/muse_qt4_evolution/synti/simpledrums/simpledrums.cpp b/attic/muse_qt4_evolution/synti/simpledrums/simpledrums.cpp
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+++ b/attic/muse_qt4_evolution/synti/simpledrums/simpledrums.cpp
@@ -0,0 +1,1719 @@
+//
+// C++ Implementation: simplesynth
+//
+// Description:
+//
+//
+// Author: Mathias Lundgren <lunar_shuttle@users.sf.net>, (C) 2004
+//
+// Copyright: See COPYING file that comes with this distribution
+//
+//
+
+#include "muse/midictrl.h"
+#include "muse/midi.h"
+#include "libsynti/midievent.h"
+#include "simpledrums.h"
+// #include <qstring.h>
+#include <samplerate.h>
+
+const char* SimpleSynth::synth_state_descr[] =
+ {
+ "SS_INITIALIZING",
+ "SS_LOADING_SAMPLE",
+ "SS_CLEARING_SAMPLE",
+ "SS_RUNNING"
+ };
+
+const char* SimpleSynth::channel_state_descr[] =
+ {
+ "SS_CHANNEL_INACTIVE",
+ "SS_SAMPLE_PLAYING"
+ };
+
+#define SWITCH_SYNTH_STATE(state)\
+synth_state = state; \
+if (SS_DEBUG_STATE) \
+ fprintf (stderr, "SS STATE: %s\n", SimpleSynth::synth_state_descr[state]);
+
+#define SWITCH_CHAN_STATE(ch, s)\
+channels[ch].state = s; \
+if (SS_DEBUG_STATE) \
+ fprintf (stderr, "SS CHAN %d STATE: %s\n", ch, SimpleSynth::channel_state_descr[s]);
+
+#define SS_CHANNEL_VOLUME_QUOT 100.0
+#define SS_MASTER_VOLUME_QUOT 100.0
+int SS_samplerate;
+
+#define SS_LOG_MAX 0
+#define SS_LOG_MIN -10
+#define SS_LOG_OFFSET SS_LOG_MIN
+
+
+//
+// Map plugin parameter on domain [SS_PLUGIN_PARAM_MIN, SS_PLUGIN_PARAM_MAX] to domain [SS_LOG_MIN, SS_LOG_MAX] (log domain)
+//
+float SS_map_pluginparam2logdomain(int pluginparam_val)
+ {
+ float scale = (float) (SS_LOG_MAX - SS_LOG_MIN)/ (float) SS_PLUGIN_PARAM_MAX;
+ float scaled = (float) pluginparam_val * scale;
+ float mapped = scaled + SS_LOG_OFFSET;
+ return mapped;
+ }
+//
+// Map plugin parameter on domain to domain [SS_LOG_MIN, SS_LOG_MAX] to [SS_PLUGIN_PARAM_MIN, SS_PLUGIN_PARAM_MAX] (from log-> [0,127])
+// (inverse func to the above)
+int SS_map_logdomain2pluginparam(float pluginparam_log)
+ {
+ float mapped = pluginparam_log - SS_LOG_OFFSET;
+ float scale = (float) SS_PLUGIN_PARAM_MAX / (float) (SS_LOG_MAX - SS_LOG_MIN);
+ int scaled = (int) round(mapped * scale);
+ return scaled;
+ }
+
+//---------------------------------------------------------
+// SimpleSynth
+//---------------------------------------------------------
+SimpleSynth::SimpleSynth(int sr)
+ : Mess(SS_AUDIO_CHANNELS)
+ {
+ SS_TRACE_IN
+ SS_samplerate = sr;
+ SS_initPlugins();
+
+ simplesynth_ptr = this;
+ master_vol = 100.0 / SS_MASTER_VOLUME_QUOT;
+ master_vol_ctrlval = 100;
+
+ //initialize
+ for (int i=0; i<SS_NR_OF_CHANNELS; i++) {
+ channels[i].sample = 0;
+ channels[i].playoffset = 0;
+ channels[i].noteoff_ignore = false;
+ channels[i].volume = (double) (100.0/SS_CHANNEL_VOLUME_QUOT );
+ channels[i].volume_ctrlval = 100;
+ channels[i].pan = 64;
+ channels[i].balanceFactorL = 1.0;
+ channels[i].balanceFactorR = 1.0;
+ SWITCH_CHAN_STATE(i, SS_CHANNEL_INACTIVE);
+ channels[i].channel_on = false;
+ for (int j=0; j<SS_NR_OF_SENDEFFECTS; j++) {
+ channels[i].sendfxlevel[j] = 0.0;
+ }
+ }
+
+ //Process buffer:
+ processBuffer[0] = new double[SS_PROCESS_BUFFER_SIZE]; //left
+ processBuffer[1] = new double[SS_PROCESS_BUFFER_SIZE]; //right
+
+ //Send effects
+ for (int i=0; i<SS_NR_OF_SENDEFFECTS; i++) {
+ sendFxLineOut[i][0] = new float[SS_SENDFX_BUFFER_SIZE]; //left out
+ sendFxLineOut[i][1] = new float[SS_SENDFX_BUFFER_SIZE]; //right out
+ sendFxReturn[i][0] = new float[SS_SENDFX_BUFFER_SIZE]; //left in
+ sendFxReturn[i][1] = new float[SS_SENDFX_BUFFER_SIZE]; //right in
+ }
+
+ for (int i=0; i<SS_NR_OF_SENDEFFECTS; i++) {
+ sendEffects[i].state = SS_SENDFX_OFF;
+ sendEffects[i].plugin = 0;
+ sendEffects[i].retgain = 1.0;
+ sendEffects[i].retgain_ctrlval = 100;
+ sendEffects[i].nrofparameters = 0;
+ }
+
+ //Build controller list:
+ controllers[0].name = "Master volume";
+ controllers[0].num = CTRL_NRPN14_OFFSET;
+ controllers[0].min = 0;
+ controllers[0].max = 127;
+
+ int i=1;
+ for (int ch=0; ch<SS_NR_OF_CHANNELS; ch++) {
+ QString c1 = "Channel " + QString::number(ch + 1) + " volume";
+ QString c2 = "Channel " + QString::number(ch + 1) + " pan";
+ QString c3 = "Channel " + QString::number(ch + 1) + " noteoff ignore";
+ QString c4 = "Channel " + QString::number(ch + 1) + " on/off";
+ QString c5 = "Channel " + QString::number(ch + 1) + " fx send 1";
+ QString c6 = "Channel " + QString::number(ch + 1) + " fx send 2";
+ QString c7 = "Channel " + QString::number(ch + 1) + " fx send 3";
+ QString c8 = "Channel " + QString::number(ch + 1) + " fx send 4";
+ controllers[i].name = c1.toLatin1().data();
+ controllers[i].num = CTRL_NRPN14_OFFSET+i;
+ controllers[i].min = 0;
+ controllers[i].max = 127;
+
+ controllers[i+1].name = c2.toLatin1().data();
+ controllers[i+1].num = CTRL_NRPN14_OFFSET+i+1;
+ controllers[i+1].min = 0;
+ controllers[i+1].max = 127;
+
+ controllers[i+2].name = c3.toLatin1().data();
+ controllers[i+2].num = CTRL_NRPN14_OFFSET+i+2;
+ controllers[i+2].min = 0;
+ controllers[i+2].max = 1;
+
+ controllers[i+3].name = c4.toLatin1().data();
+ controllers[i+3].num = CTRL_NRPN14_OFFSET+i+3;
+ controllers[i+3].min = 0;
+ controllers[i+3].max = 1;
+
+ controllers[i+4].name = c5.toLatin1().data();
+ controllers[i+4].num = CTRL_NRPN14_OFFSET+i+4;
+
+ controllers[i+5].name = c6.toLatin1().data();
+ controllers[i+5].num = CTRL_NRPN14_OFFSET+i+5;
+
+ controllers[i+6].name = c7.toLatin1().data();
+ controllers[i+6].num = CTRL_NRPN14_OFFSET+i+6;
+
+ controllers[i+7].name = c8.toLatin1().data();
+ controllers[i+7].num = CTRL_NRPN14_OFFSET+i+7;
+
+ controllers[i+4].min = controllers[i+5].min = controllers[i+6].min = controllers[i+7].min = 0;
+ controllers[i+4].max = controllers[i+5].max = controllers[i+6].max = controllers[i+7].max = 127;
+
+ i+=8;
+ }
+
+ for (int sfx=0; sfx<SS_NR_OF_SENDEFFECTS; sfx++) {
+ QString c1 = "Sendfx " + QString::number(sfx) + " ret gain";
+ QString c2 = "Sendfx " + QString::number(sfx) + " on/off";
+ controllers[i].name = c1.toLatin1().data();
+ controllers[i].num = CTRL_NRPN14_OFFSET+i;
+ controllers[i].min = 0;
+ controllers[i].max = 127;
+
+ controllers[i+1].name = c2.toLatin1().data();
+ controllers[i+1].num = CTRL_NRPN14_OFFSET+i+1;
+ controllers[i+1].min = 0;
+ controllers[i+1].max = 1;
+ i+=2;
+ }
+
+ pthread_mutex_init(&SS_LoaderMutex, NULL);
+ SS_TRACE_OUT
+ }
+
+//---------------------------------------------------------
+// ~SimpleSynth
+//---------------------------------------------------------
+SimpleSynth::~SimpleSynth()
+ {
+ SS_TRACE_IN
+
+ // Cleanup channels and samples:
+ SS_DBG("Cleaning up sample data");
+ for (int i=0; i<SS_NR_OF_CHANNELS; i++) {
+ if (channels[i].sample) {
+ delete[] channels[i].sample->data;
+ delete channels[i].sample;
+ }
+ }
+ simplesynth_ptr = NULL;
+
+ SS_DBG("Deleting pluginlist");
+ //Cleanup plugins:
+ for (iPlugin i = plugins.begin(); i != plugins.end(); ++i) {
+ delete (*i);
+ }
+ plugins.clear();
+
+ SS_DBG("Deleting sendfx buffers");
+ //Delete sendfx buffers:
+ for (int i=0; i<SS_NR_OF_SENDEFFECTS; i++) {
+ delete[] sendFxLineOut[i][0];
+ delete[] sendFxLineOut[i][1];
+ delete[] sendFxReturn[i][0];
+ delete[] sendFxReturn[i][1];
+ }
+
+ //processBuffer:
+ SS_DBG("Deleting process buffer");
+ delete[] processBuffer[0];
+ delete[] processBuffer[1];
+ SS_TRACE_OUT
+ }
+
+//---------------------------------------------------------
+// guiVisible
+/*!
+ \fn SimpleSynth::guiVisible
+ \brief Tells if the gui is hidden or shown
+ \return true/false if gui is shown/hidden
+ */
+//---------------------------------------------------------
+bool SimpleSynth::guiVisible() const
+ {
+ SS_TRACE_IN
+ bool v = gui->isVisible();
+ SS_TRACE_OUT
+ return v;
+ }
+
+//---------------------------------------------------------
+// hasGui
+/*!
+ \fn SimpleSynth::hasGui
+ \brief Tells if the synth has a gui or not
+ \return true if synth has gui, false it synth has no gui
+ */
+//---------------------------------------------------------
+bool SimpleSynth::hasGui() const
+ {
+ SS_TRACE_IN
+ SS_TRACE_OUT
+ return true;
+ }
+
+//---------------------------------------------------------
+// playNote
+/*!
+ \fn SimpleSynth::playNote
+ \brief Triggers a note on (noteoffs are noteons with velo=0)
+ \param channel midi channel
+ \param pitch note pitch
+ \param velo note velocity
+ \return false for ok, true for not ok (not sure these are handled differently, but...)
+ */
+//---------------------------------------------------------
+bool SimpleSynth::playNote(int /*channel*/, int pitch, int velo)
+ {
+ SS_TRACE_IN
+ //Don't bother about channel, we're processing every playnote!
+ if ((pitch >= SS_LOWEST_NOTE) && (pitch <= SS_HIGHEST_NOTE)) {
+ bool noteOff = (velo == 0 ? 1 : 0);
+ int ch = pitch - SS_LOWEST_NOTE;
+ if(!noteOff) {
+ if (channels[ch].sample) {
+ //Turn on the white stuff:
+ channels[ch].playoffset = 0;
+ SWITCH_CHAN_STATE(ch , SS_SAMPLE_PLAYING);
+ channels[ch].cur_velo = (double) velo / 127.0;
+ channels[ch].gain_factor = channels[ch].cur_velo * channels[ch].volume;
+ if (SS_DEBUG_MIDI) {
+ printf("Playing note %d on channel %d\n", pitch, ch);
+ }
+ }
+ }
+ else {
+ //Note off:
+ if (channels[ch].noteoff_ignore) {
+ if (SS_DEBUG_MIDI) {
+ printf("Note off on channel %d\n", ch);
+ }
+ SWITCH_CHAN_STATE(ch , SS_CHANNEL_INACTIVE);
+ channels[ch].playoffset = 0;
+ channels[ch].cur_velo = 0;
+ }
+ }
+ }
+ SS_TRACE_OUT
+ return false;
+ }
+
+//---------------------------------------------------------
+// processEvent
+/*!
+ \fn SimpleSynth::processEvent
+ \brief All events from sequencer first shows up here and are forwarded to their correct functions
+ \param event The event sent from sequencer
+ \return false for ok, true for not ok
+ */
+//---------------------------------------------------------
+bool SimpleSynth::processEvent(const MidiEvent& ev)
+ {
+ SS_TRACE_IN
+ switch(ev.type()) {
+ case ME_CONTROLLER:
+ if (SS_DEBUG_MIDI) {
+ printf("SimpleSynth::processEvent - Controller. Chan: %x dataA: %x dataB: %x\n", ev.channel(), ev.dataA(), ev.dataB());
+ for (int i=0; i< ev.len(); i++)
+ printf("%x ", ev.data()[i]);
+ }
+ setController(ev.channel(), ev.dataA(), ev.dataB(), false);
+ return true;
+ case ME_NOTEON:
+ return playNote(ev.channel(), ev.dataA(), ev.dataB());
+ case ME_NOTEOFF:
+ return playNote(ev.channel(), ev.dataA(), 0);
+ case ME_SYSEX:
+ //Debug print
+ if (SS_DEBUG_MIDI) {
+ printf("SimpleSynth::processEvent - Sysex received\n");
+ for (int i=0; i< ev.len(); i++)
+ printf("%x ", ev.data()[i]);
+ printf("\n");
+ }
+ return sysex(ev.len(), ev.data());
+ }
+ return false;
+ SS_TRACE_OUT
+ }
+
+//---------------------------------------------------------
+// setController
+/*!
+ \fn SimpleSynth::setController
+ \brief Called from sequencer indirectly via SimpleSynth::processEvent
+ \brief when the synth is supposed to set a controller value
+ \param channel channel nr
+ \param id controller id
+ \param val value of controller
+ \return false for ok, true for not ok
+ */
+//---------------------------------------------------------
+bool SimpleSynth::setController(int channel, int id, int val)
+ {
+ SS_TRACE_IN
+ if (SS_DEBUG_MIDI) {
+ printf("SimpleSynth::setController - received controller on channel %d, id %d value %d\n", channel, id, val);
+ }
+
+ // Channel controllers:
+ if (id >= SS_FIRST_CHANNEL_CONTROLLER && id <= SS_LAST_CHANNEL_CONTROLLER ) {
+ // Find out which channel we're dealing with:
+ id-= SS_FIRST_CHANNEL_CONTROLLER;
+ int ch = (id / SS_NR_OF_CHANNEL_CONTROLLERS);
+ id = (id % SS_NR_OF_CHANNEL_CONTROLLERS);
+
+ switch (id) {
+ case SS_CHANNEL_CTRL_VOLUME:
+ if (SS_DEBUG_MIDI)
+ printf("Received channel ctrl volume %d for channel %d\n", val, ch);
+ channels[ch].volume_ctrlval = val;
+ updateVolume(ch, val);
+ break;
+ case SS_CHANNEL_CTRL_NOFF:
+ if (SS_DEBUG_MIDI)
+ printf("Received ctrl noff %d for channel %d\n", val, ch);
+ channels[ch].noteoff_ignore = val;
+ break;
+ case SS_CHANNEL_CTRL_PAN:
+ {
+ if (SS_DEBUG_MIDI)
+ printf("Received ctrl pan %d for channel %d\n", val, ch);
+ channels[ch].pan = val;
+ updateBalance(ch, val);
+ break;
+ }
+ case SS_CHANNEL_CTRL_ONOFF:
+ {
+ if (SS_DEBUG_MIDI)
+ printf("Received ctrl onoff %d for channel %d\n", val, ch);
+
+ if (val == false && channels[ch].channel_on == true) {
+ SWITCH_CHAN_STATE(ch, SS_CHANNEL_INACTIVE);
+ channels[ch].channel_on = val;
+ }
+ else if (val == true && channels[ch].channel_on == false) { // if it actually _was_ off:
+ SWITCH_CHAN_STATE(ch, SS_CHANNEL_INACTIVE);
+ channels[ch].playoffset = 0;
+ channels[ch].channel_on = val;
+ }
+ break;
+ }
+ case SS_CHANNEL_SENDFX1:
+ case SS_CHANNEL_SENDFX2:
+ case SS_CHANNEL_SENDFX3:
+ case SS_CHANNEL_SENDFX4:
+ {
+ int fxid = id - SS_CHANNEL_SENDFX1;
+ channels[ch].sendfxlevel[fxid] = (double)val/127.0;
+ break;
+ }
+
+ default:
+ if (SS_DEBUG_MIDI)
+ printf("Unknown controller received for channel %d. id=%d\n", ch, id);
+ break;
+ }
+ }
+ // Master controllers:
+ else if (id >= SS_FIRST_MASTER_CONTROLLER && id <= SS_LAST_MASTER_CONTROLLER) {
+ if (SS_DEBUG_MIDI)
+ printf("Mastervol controller received: %d\n", id);
+ master_vol_ctrlval = val;
+ master_vol = (double) master_vol_ctrlval / SS_MASTER_VOLUME_QUOT;
+ }
+ // Emmm, this one should've been there in the beginning
+ else if (id == CTRL_VOLUME) {
+ if (SS_DEBUG_MIDI) {
+ printf("Ctrl volume received: vol: %d\n", val);
+ }
+ master_vol_ctrlval = val;
+ master_vol = (double) master_vol_ctrlval / SS_MASTER_VOLUME_QUOT;
+ //This one can't be from the gui, update gui:
+ guiUpdateMasterVol(val);
+ }
+ // Plugin controllers:
+ else if (id >= SS_FIRST_PLUGIN_CONTROLLER && id <= SS_LAST_PLUGIN_CONTROLLER) {
+
+ int fxid = (id - SS_FIRST_PLUGIN_CONTROLLER) / SS_NR_OF_PLUGIN_CONTROLLERS;
+ int cmd = (id - SS_FIRST_PLUGIN_CONTROLLER) % SS_NR_OF_PLUGIN_CONTROLLERS;
+
+ // Plugin return-gain:
+ if (cmd == SS_PLUGIN_RETURN) {
+ if (SS_DEBUG_MIDI)
+ printf("Ctrl fx retgain received: fxid: %d val: %d\n", fxid, val);
+ sendEffects[fxid].retgain_ctrlval = val;
+ sendEffects[fxid].retgain = (double) val / 75.0;
+ }
+ // Plugin on/off:
+ else if (cmd == SS_PLUGIN_ONOFF) {
+ if (SS_DEBUG_MIDI)
+ printf("Ctrl fx onoff received: fxid: %d val: %d\n", fxid, val);
+ sendEffects[fxid].state = (SS_SendFXState) val;
+ }
+ }
+ else {
+ if (SS_DEBUG_MIDI)
+ printf("Unknown controller received: %d\n", id);
+ }
+ SS_TRACE_OUT
+ return false;
+ }
+
+//---------------------------------------------------------
+/*!
+ \fn SimpleSynth::setController
+ */
+//---------------------------------------------------------
+bool SimpleSynth::setController(int channel, int id, int val, bool /*fromGui*/)
+ {
+ SS_TRACE_IN
+ bool ret = setController(channel, id, val); //Perhaps TODO... Separate events from the gui
+ SS_TRACE_OUT
+ return ret;
+ }
+//---------------------------------------------------------
+// sysex
+/*!
+ \fn SimpleSynth::sysex
+ \brief Called from sequencer indirectly via SimpleSynth::processEvent
+ \param len length of the sysex data
+ \param data the sysex data
+ \return false for ok, true for not ok
+*/
+//---------------------------------------------------------
+bool SimpleSynth::sysex(int /*len*/, const unsigned char* data)
+ {
+ SS_TRACE_IN
+ int cmd = data[0];
+ switch (cmd) {
+ case SS_SYSEX_LOAD_SAMPLE:
+ {
+ int channel = data[1];
+ //int l = data[2];
+ const char* filename = (const char*)(data+3);
+ if (SS_DEBUG_MIDI) {
+ printf("Sysex cmd: load sample, filename %s, on channel: %d\n", filename, channel);
+ }
+ loadSample(channel, filename);
+ break;
+ }
+ case SS_SYSEX_CLEAR_SAMPLE:
+ {
+ int ch = data[1];
+ clearSample(ch);
+ break;
+ }
+
+ case SS_SYSEX_INIT_DATA:
+ {
+ parseInitData(data);
+ break;
+ }
+
+ case SS_SYSEX_LOAD_SENDEFFECT:
+ {
+ int fxid = data[1];
+ QString lib = (const char*) (data + 2);
+ QString label = (const char*) (data + lib.length() + 3);
+ if (SS_DEBUG_MIDI) {
+ printf("Sysex cmd load effect: %d %s %s\n", fxid, lib.toLatin1().data(), label.toLatin1().data());
+ }
+ initSendEffect(fxid, lib, label);
+ break;
+ }
+
+ case SS_SYSEX_CLEAR_SENDEFFECT:
+ {
+ int fxid = data[1];
+ if (SS_DEBUG_MIDI) {
+ printf("Sysex cmd clear effect: %d\n", fxid);
+ }
+ sendEffects[fxid].state = SS_SENDFX_OFF;
+ cleanupPlugin(fxid);
+ sendEffects[fxid].plugin = 0;
+ break;
+ }
+
+ case SS_SYSEX_SET_PLUGIN_PARAMETER:
+ {
+ int fxid = data[1];
+ int parameter = data[2];
+ int val = data[3];
+ // Write it to the plugin:
+ float floatval = sendEffects[fxid].plugin->convertGuiControlValue(parameter, val);
+ setFxParameter(fxid, parameter, floatval);
+ break;
+ }
+
+ case SS_SYSEX_GET_INIT_DATA:
+ {
+ int initdata_len = 0;
+ const byte* tmp_initdata = NULL;
+ byte* event_data = NULL;
+
+ getInitData(&initdata_len, &tmp_initdata);
+ int totlen = initdata_len + 1;
+
+ event_data = new byte[initdata_len + 1];
+ event_data[0] = SS_SYSEX_SEND_INIT_DATA;
+ memcpy(event_data + 1, tmp_initdata, initdata_len);
+ delete[] tmp_initdata;
+ tmp_initdata = NULL;
+
+ MidiEvent ev(0, ME_SYSEX, event_data, totlen);
+ gui->writeEvent(ev);
+ delete[] event_data;
+
+ break;
+ }
+
+ default:
+ if (SS_DEBUG_MIDI)
+ printf("Unknown sysex cmd received: %d\n", cmd);
+ break;
+ }
+ SS_TRACE_OUT
+ return false;
+ }
+
+//---------------------------------------------------------
+// getPatchName
+/*!
+ \fn SimpleSynth::getPatchName
+ \brief Called from host to get names of patches
+ \param index - which patchnr we're about to deliver
+ \return const char* with patchname
+ */
+//---------------------------------------------------------
+const char* SimpleSynth::getPatchName(int /*index*/, int, int) const
+ {
+ SS_TRACE_IN
+ SS_TRACE_OUT
+ return 0;
+ }
+
+//---------------------------------------------------------
+// getPatchInfo
+/*!
+ \fn SimpleSynth::getPatchInfo
+ \brief Called from host to get info about patches
+ \param index - which patchnr we're about to deliver
+ \param patch - if this one is 0, this is the first call, otherwise keep deliver the host patches... or something
+ \return MidiPatch with patch info for host
+ */
+//---------------------------------------------------------
+const MidiPatch* SimpleSynth::getPatchInfo(int index, const MidiPatch* patch) const
+ {
+ SS_TRACE_IN
+ index = 0; patch = 0;
+ SS_TRACE_OUT
+ return 0;
+ }
+
+//---------------------------------------------------------
+// getControllerInfo
+/*!
+ \fn SimpleSynth::getControllerInfo
+ \brief Called from host to collect info about which controllers the synth supports
+ \param index current controller number
+ \param name pointer where name is stored
+ \param controller int pointer where muse controller number is stored
+ \param min int pointer where controller min value is stored
+ \param max int pointer where controller max value is stored
+ \return 0 when done, otherwise return next desired controller index
+ */
+//---------------------------------------------------------
+int SimpleSynth::getControllerInfo(int index, const char** name, int* controller, int* min, int* max)
+ {
+ SS_TRACE_IN
+ if (index >= SS_NR_OF_CONTROLLERS) {
+ SS_TRACE_OUT
+ return 0;
+ }
+
+ *name = controllers[index].name.c_str();
+ *controller = controllers[index].num;
+ *min = controllers[index].min;
+ *max = controllers[index].max;
+
+ if (SS_DEBUG_MIDI) {
+ printf("setting controller info: index %d name %s controller %d min %d max %d\n", index, *name, *controller, *min, *max);
+ }
+ SS_TRACE_OUT
+ return (index +1);
+ }
+
+//---------------------------------------------------------
+// process
+/*!
+ \fn SimpleSynth::process
+ \brief Realtime function where the processing actually occurs
+ \param channels - audio data
+ \param offset - sample offset
+ \param len - nr of samples to process
+ */
+//---------------------------------------------------------
+void SimpleSynth::process(float** out, int offset, int len)
+ {
+ //Process messages from the gui
+ while (gui->fifoSize()) {
+ MidiEvent ev = gui->readEvent();
+ if (ev.type() == ME_SYSEX) {
+ sysex(ev.len(), ev.data());
+ sendEvent(ev);
+ }
+ else if (ev.type() == ME_CONTROLLER) {
+ setController(ev.channel(), ev.dataA(), ev.dataB(), true);
+ sendEvent(ev);
+ }
+ else {
+ if (SS_DEBUG)
+ printf("SimpleSynth::process(): unknown event, type: %d\n", ev.type());
+ }
+ }
+
+ if (synth_state == SS_RUNNING) {
+
+ //Temporary mix-doubles
+ double out1, out2;
+ //double ltemp, rtemp;
+ float* data;
+ // Velocity factor:
+ double gain_factor;
+
+
+ // Clear send-channels. Skips if fx not turned on
+ for (int i=0; i<SS_NR_OF_SENDEFFECTS; i++) {
+ if (sendEffects[i].state == SS_SENDFX_ON) {
+ memset(sendFxLineOut[i][0], 0, SS_SENDFX_BUFFER_SIZE * sizeof(float));
+ memset(sendFxLineOut[i][1], 0, SS_SENDFX_BUFFER_SIZE * sizeof(float));
+ }
+ }
+
+
+ memset(out[0] + offset, 0, len * sizeof(float));
+ memset(out[1] + offset, 0, len * sizeof(float));
+
+ //Process 1 channel at a time
+ for (int ch=0; ch < SS_NR_OF_CHANNELS; ch++) {
+ // If channels is turned off, skip:
+ if (channels[ch].channel_on == false)
+ continue;
+
+ //If sample isn't playing, skip:
+ if (channels[ch].state == SS_SAMPLE_PLAYING) {
+ memset(processBuffer[0], 0, SS_PROCESS_BUFFER_SIZE * sizeof(double));
+ memset(processBuffer[1], 0, SS_PROCESS_BUFFER_SIZE * sizeof(double));
+
+ for (int i=0; i<len; i++) {
+ // Current channel sample data:
+ data = channels[ch].sample->data;
+ gain_factor = channels[ch].gain_factor;
+ // Current velocity factor:
+
+ if (channels[ch].sample->channels == 2) {
+ //
+ // Stereo sample:
+ //
+ // Add from sample:
+ out1 = (double) (data[channels[ch].playoffset] * gain_factor * channels[ch].balanceFactorL);
+ out2 = (double) (data[channels[ch].playoffset + 1] * gain_factor * channels[ch].balanceFactorR);
+ channels[ch].playoffset += 2;
+ }
+ else {
+ //
+ // Mono sample:
+ //
+ out1 = (double) (data[channels[ch].playoffset] * gain_factor * channels[ch].balanceFactorL);
+ out2 = (double) (data[channels[ch].playoffset] * gain_factor * channels[ch].balanceFactorR);
+ channels[ch].playoffset++;
+ }
+
+ processBuffer[0][i] = out1;
+ processBuffer[1][i] = out2;
+
+ // If send-effects tap is on, tap signal to respective lineout channel
+ for (int j=0; j<SS_NR_OF_SENDEFFECTS; j++) {
+ if (channels[ch].sendfxlevel[j] != 0.0) {
+ //If the effect has 2 inputs (stereo in):
+ if (sendEffects[j].inputs == 2) {
+ sendFxLineOut[j][0][i]+= (out1 * channels[ch].sendfxlevel[j]);
+ sendFxLineOut[j][1][i]+= (out2 * channels[ch].sendfxlevel[j]);
+ }
+ //If the effect is mono (1 input), only use first fxLineOut
+ else if (sendEffects[j].inputs == 1) {
+ sendFxLineOut[j][0][i]+= ((out1 + out2) * channels[ch].sendfxlevel[j] / 2.0);
+ }
+ //Effects with 0 or >2 inputs are ignored
+ }
+ }
+
+ //
+ // If we've reached the last sample, set state to inactive
+ //
+ if (channels[ch].playoffset >= channels[ch].sample->samples) {
+ SWITCH_CHAN_STATE(ch, SS_CHANNEL_INACTIVE);
+ channels[ch].playoffset = 0;
+ break;
+ }
+ }
+ // Add contribution for this channel, for this frame, to final result:
+ for (int i=0; i<len; i++) {
+ out[0][i+offset]+=processBuffer[0][i];
+ out[1][i+offset]+=processBuffer[1][i];
+ }
+ }
+ }
+ // Do something funny with the sendies:
+ for (int j=0; j<SS_NR_OF_SENDEFFECTS; j++) {
+ if (sendEffects[j].state == SS_SENDFX_ON) {
+ sendEffects[j].plugin->process(len);
+ for (int i=0; i<len; i++) {
+ //Effect has mono output:
+ if (sendEffects[j].outputs == 1) {
+ //Add the result to both channels:
+ out[0][i+offset]+=((sendEffects[j].retgain * sendFxReturn[j][0][i]) / 2.0);
+ out[1][i+offset]+=((sendEffects[j].retgain * sendFxReturn[j][0][i]) / 2.0);
+ }
+ else if (sendEffects[j].outputs == 2) {
+ // Effect has stereo output
+ out[0][i+offset]+=(sendEffects[j].retgain * sendFxReturn[j][0][i]);
+ out[1][i+offset]+=(sendEffects[j].retgain * sendFxReturn[j][1][i]);
+ }
+ }
+ }
+ }
+ // Finally master gain:
+ for (int i=0; i<len; i++) {
+ out[0][i+offset] = (out[0][i+offset] * master_vol);
+ out[1][i+offset] = (out[1][i+offset] * master_vol);
+ }
+ }
+ }
+
+//---------------------------------------------------------
+// showGui
+/*!
+ \fn SimpleSynth::showGui
+ \brief Displays or hides the gui window
+ \param val true or false = gui shown or hidden
+ */
+//---------------------------------------------------------
+void SimpleSynth::showGui(bool val)
+ {
+ SS_TRACE_IN
+ gui->setShown(val);
+ SS_TRACE_OUT
+ }
+
+//---------------------------------------------------------
+/*!
+ \fn SimpleSynth::init
+ \brief Initializes the SimpleSynth
+ \param name string set to caption in the gui dialog
+ \return true if successful, false if unsuccessful
+ */
+//---------------------------------------------------------
+bool SimpleSynth::init(const char* name)
+ {
+ SS_TRACE_IN
+ SWITCH_SYNTH_STATE(SS_INITIALIZING);
+ gui = new SimpleSynthGui();
+ gui->show();
+ gui->setWindowTitle(name);
+ SWITCH_SYNTH_STATE(SS_RUNNING);
+ SS_TRACE_OUT
+ return true;
+ }
+
+//---------------------------------------------------------
+/*!
+ \fn SimpleSynth::getInitData
+ \brief Data for reinitialization of SimpleSynth when loading project
+ \param n - number of chars used in the data
+ \param data - data that is sent as a sysex to the synth on reload of project
+ */
+//---------------------------------------------------------
+void SimpleSynth::getInitData(int* n, const unsigned char** data)
+ {
+ SS_TRACE_IN
+ // Calculate length of data
+ // For each channel, we need to store volume, pan, noff, onoff
+ int len = SS_NR_OF_CHANNEL_CONTROLLERS * SS_NR_OF_CHANNELS;
+ // Sampledata: filenames len
+ for (int i=0; i<SS_NR_OF_CHANNELS; i++) {
+ if (channels[i].sample) {
+ int filenamelen = strlen(channels[i].sample->filename.c_str()) + 2;
+ len+=filenamelen;
+ }
+ else
+ len++; //Add place for SS_NO_SAMPLE
+ }
+ len+=3; // 1 place for SS_SYSEX_INIT_DATA, 1 byte for master vol, 1 byte for version data
+
+ // Effect data length
+ len++; //Add place for SS_SYSEX_INIT_DATA_VERSION, as control
+
+ for (int i=0; i<SS_NR_OF_SENDEFFECTS; i++) {
+ Plugin* plugin = sendEffects[i].plugin;
+ if (plugin) {
+ int namelen = plugin->lib().size() + 2;
+ int labelnamelen = plugin->label().size() + 2;
+ len+=(namelen + labelnamelen);
+
+ len+=3; //1 byte for nr of parameters, 1 byte for return gain, 1 byte for effect on/off
+ len+=sendEffects[i].nrofparameters; // 1 byte for each parameter value
+ }
+ else {
+ len++; //place for SS_NO_PLUGIN
+ }
+ }
+
+ // First, SS_SYSEX_INIT_DATA
+ byte* buffer = new byte[len];
+ memset(buffer, 0, len);
+ buffer[0] = SS_SYSEX_INIT_DATA;
+ buffer[1] = SS_SYSEX_INIT_DATA_VERSION;
+ if (SS_DEBUG_INIT) {
+ printf("Length of init data: %d\n", len);
+ printf("buffer[0] - SS_SYSEX_INIT_DATA: %d\n", SS_SYSEX_INIT_DATA);
+ printf("buffer[1] - SS_SYSEX_INIT_DATA_VERSION: %d\n", SS_SYSEX_INIT_DATA_VERSION);
+ }
+ int i = 2;
+ // All channels:
+ // 0 - volume ctrlval (0-127)
+ // 1 - pan (0-127)
+ // 2 - noff ignore (0-1)
+ // 3 - channel on/off (0-1)
+ // 4 - 7 - sendfx 1-4 (0-127)
+ // 8 - len of filename, n
+ // 9 - 9+n - filename
+ for (int ch=0; ch<SS_NR_OF_CHANNELS; ch++) {
+ buffer[i] = (byte) channels[ch].volume_ctrlval;
+ buffer[i+1] = (byte) channels[ch].pan;
+ buffer[i+2] = (byte) channels[ch].noteoff_ignore;
+ buffer[i+3] = (byte) channels[ch].channel_on;
+ buffer[i+4] = (byte) round(channels[ch].sendfxlevel[0] * 127.0);
+ buffer[i+5] = (byte) round(channels[ch].sendfxlevel[1] * 127.0);
+ buffer[i+6] = (byte) round(channels[ch].sendfxlevel[2] * 127.0);
+ buffer[i+7] = (byte) round(channels[ch].sendfxlevel[3] * 127.0);
+
+ if (SS_DEBUG_INIT) {
+ printf("Channel %d:\n", ch);
+ printf("buffer[%d] - channels[ch].volume_ctrlval = \t%d\n", i, channels[ch].volume_ctrlval);
+ printf("buffer[%d] - channels[ch].pan = \t\t%d\n", i+1, channels[ch].pan);
+ printf("buffer[%d] - channels[ch].noteoff_ignore = \t%d\n", i+2, channels[ch].noteoff_ignore );
+ printf("buffer[%d] - channels[ch].channel_on = \t%d\n", i+3, channels[ch].channel_on);
+ for (int j= i+4; j < i+8; j++) {
+ printf("buffer[%d] - channels[ch].sendfxlevel[%d]= \t%d\n", j, j-i-4, (int)round(channels[ch].sendfxlevel[j-i-4] * 127.0));
+ }
+ }
+ if (channels[ch].sample) {
+ int filenamelen = strlen(channels[ch].sample->filename.c_str()) + 1;
+ buffer[i+8] = (byte) filenamelen;
+ memcpy((buffer+(i+9)), channels[ch].sample->filename.c_str(), filenamelen);
+ if (SS_DEBUG_INIT) {
+ printf("buffer[%d] - filenamelen: %d\n", i+8, filenamelen);
+ printf("buffer[%d] - buffer[%d] - filename: ", (i+9), (i+9) + filenamelen - 1);
+ for (int j = i+9; j< i+9+filenamelen; j++) {
+ printf("%c",buffer[j]);
+ }
+ printf("\n");
+ }
+ i+= (SS_NR_OF_CHANNEL_CONTROLLERS + 1 + filenamelen);
+ }
+ else {
+ buffer[i+8] = SS_NO_SAMPLE;
+ if (SS_DEBUG_INIT) {
+ printf("buffer[%d]: SS_NO_SAMPLE: - %d\n", i+8, SS_NO_SAMPLE);
+ }
+ i+= (SS_NR_OF_CHANNEL_CONTROLLERS + 1);
+ }
+ }
+ if (SS_DEBUG_INIT) {
+ printf("buffer[%d]: Master vol: - %d\n", i, master_vol_ctrlval);
+ }
+ buffer[i] = master_vol_ctrlval;
+ *(data) = buffer; *n = len;
+ i++;
+
+ //Send effects:
+ buffer[i] = SS_SYSEX_INIT_DATA_VERSION; //Just for check
+ if (SS_DEBUG_INIT) {
+ printf("buffer[%d]: Control value, SS_SYSEX_INIT_DATA_VERSION\n", i);
+ }
+
+ i++;
+ for (int j=0; j<SS_NR_OF_SENDEFFECTS; j++) {
+ if (sendEffects[j].plugin) {
+ int labelnamelen = sendEffects[j].plugin->label().size() + 1;
+ buffer[i] = labelnamelen;
+ memcpy((buffer+i+1), sendEffects[j].plugin->label().toLatin1().data(), labelnamelen);
+ if (SS_DEBUG_INIT) {
+ printf("buffer[%d] - labelnamelen: %d\n", i, labelnamelen);
+ printf("buffer[%d] - buffer[%d] - filename: ", (i+1), (i+1) + labelnamelen - 1);
+ for (int k = i+1; k < i+1+labelnamelen; k++) {
+ printf("%c",buffer[k]);
+ }
+ printf("\n");
+ }
+
+ i+=(labelnamelen + 1);
+
+ int namelen = sendEffects[j].plugin->lib().size() + 1;
+ buffer[i] = namelen;
+ memcpy((buffer+i+1), sendEffects[j].plugin->lib().toLatin1().data(), namelen);
+ if (SS_DEBUG_INIT) {
+ printf("buffer[%d] - libnamelen : %d\n", i, namelen);
+ printf("buffer[%d] - buffer[%d] - filename: ", (i+1), (i+1) + namelen - 1);
+ for (int k = i+1; k < i+1+namelen; k++) {
+ printf("%c",buffer[k]);
+ }
+ printf("\n");
+ }
+
+ i+=(namelen + 1);
+
+ buffer[i]=sendEffects[j].nrofparameters;
+ if (SS_DEBUG_INIT) {
+ printf("buffer[%d]: sendEffects[%d].nrofparameters=%d\n", i, j, buffer[i]);
+ }
+ i++;
+
+ buffer[i]=sendEffects[j].retgain_ctrlval;
+ if (SS_DEBUG_INIT) {
+ printf("buffer[%d]: sendEffects[%d].retgain_ctrlval=%d\n", i, j, buffer[i]);
+ }
+ i++;
+
+ for (int k=0; k<sendEffects[j].nrofparameters; k++) {
+ //TODO: Convert to 127-scale
+ buffer[i] = sendEffects[j].plugin->getGuiControlValue(k);
+ if (SS_DEBUG_INIT) {
+ printf("buffer[%d]: sendEffects[%d].parameterval[%d]=%d\n", i, j, k, buffer[i]);
+ }
+ i++;
+ }
+ }
+ // No plugin loaded:
+ else {
+ buffer[i] = SS_NO_PLUGIN;
+ if (SS_DEBUG_INIT) {
+ printf("buffer[%d]: SS_NO_PLUGIN\n", i);
+ }
+ i++;
+ }
+ }
+
+ SS_TRACE_OUT
+ }
+
+
+/*!
+ \fn SimpleSynth::parseInitData()
+ */
+void SimpleSynth::parseInitData(const unsigned char* data)
+ {
+ SS_TRACE_IN
+ //int len = strlen((const char*)data);
+ if (SS_DEBUG_INIT) {
+ printf("buffer[1], SS_SYSEX_INIT_DATA_VERSION=%d\n", *(data+1));
+ }
+ const byte* ptr = data+2;
+ for (int ch=0; ch<SS_NR_OF_CHANNELS; ch++) {
+ channels[ch].volume_ctrlval = (byte) *(ptr);
+
+ if (SS_DEBUG_INIT) {
+ printf("Channel %d:\n", ch);
+ printf("buffer[%ld] - channels[ch].volume_ctrlval = \t%d\n", ptr-data, *ptr);
+ printf("buffer[%ld] - channels[ch].pan = \t\t%d\n", ptr-data+1, *(ptr+1));
+ printf("buffer[%ld] - channels[ch].noteoff_ignore = \t%d\n", ptr-data+2, *(ptr+2));
+ printf("buffer[%ld] - channels[ch].channel_on = \t%d\n", ptr-data+3, *(ptr+3));
+ }
+ updateVolume(ch, *(ptr));
+ guiUpdateVolume(ch, *(ptr));
+
+ channels[ch].pan = *(ptr+1);
+ updateBalance(ch, *(ptr+1));
+ guiUpdateBalance(ch, *(ptr+1));
+
+ channels[ch].noteoff_ignore = *(ptr+2);
+ guiUpdateNoff(ch, *(ptr+2));
+
+ channels[ch].channel_on = *(ptr+3);
+ guiUpdateChoff(ch, *(ptr+3));
+
+ ptr+=4;
+
+ for (int i=0; i<4; i++) {
+ channels[ch].sendfxlevel[i] = (float) (*(ptr)/127.0);
+ guiUpdateSendFxLevel(ch, i, *(ptr));
+ ptr++;
+ }
+
+ bool hasSample = *(ptr);
+ ptr++;
+
+ channels[ch].sample = 0;
+ channels[ch].playoffset = 0;
+ SWITCH_CHAN_STATE(ch, SS_CHANNEL_INACTIVE);
+ if (SS_DEBUG_INIT) {
+ printf("parseInitData: channel %d, volume: %f pan: %d bfL %f bfR %f chON %d s1: %f s2: %f s3: %f s4: %f\n",
+ ch,
+ channels[ch].volume,
+ channels[ch].pan,
+ channels[ch].balanceFactorL,
+ channels[ch].balanceFactorR,
+ channels[ch].channel_on,
+ channels[ch].sendfxlevel[0],
+ channels[ch].sendfxlevel[1],
+ channels[ch].sendfxlevel[2],
+ channels[ch].sendfxlevel[3]
+ );
+ }
+ if (hasSample) {
+ std::string filenametmp = (const char*) ptr;
+ ptr+= strlen(filenametmp.c_str()) + 1;
+ //printf("We should load %s\n", filenametmp.c_str());
+ loadSample(ch, filenametmp.c_str());
+ }
+ else {
+ //Clear sample
+ clearSample(ch);
+ guiNotifySampleCleared(ch);
+ }
+ }
+ //Master vol:
+ master_vol_ctrlval = *(ptr);
+ master_vol = (double) master_vol_ctrlval / SS_MASTER_VOLUME_QUOT;
+ guiUpdateMasterVol(master_vol_ctrlval);
+ if (SS_DEBUG_INIT) {
+ printf("Master vol: %d\n", master_vol_ctrlval);
+ }
+ ptr++;
+
+ // Effects:
+ if (*(ptr) != SS_SYSEX_INIT_DATA_VERSION) {
+ fprintf(stderr, "Error loading init data - control byte not found. Skipping...\n");
+ SS_TRACE_OUT
+ return;
+ }
+ ptr++;
+
+ for (int i=0; i<SS_NR_OF_SENDEFFECTS; i++) {
+ if (SS_DEBUG_INIT)
+ printf("buffer[%ld] - sendeffect[%d], labelnamelen=%d\n", ptr-data, i, *ptr);
+ int labelnamelen = *(ptr);
+
+ if (labelnamelen != SS_NO_PLUGIN) {
+ ptr++;
+ std::string labelnametmp = (const char*) ptr;
+ ptr+= labelnamelen;
+
+ //int libnamelen = *(ptr);
+ ptr++;
+ std::string libnametmp = (const char*) ptr;
+ ptr+= strlen(libnametmp.c_str()) + 1;
+
+
+ initSendEffect(i, libnametmp.c_str(), labelnametmp.c_str());
+ //initSendEffect(0, "cmt", "freeverb3");
+
+ byte params = *(ptr);
+ byte retgain = *(ptr+1);
+ ptr+=2;
+
+ sendEffects[i].nrofparameters = params;
+
+ sendEffects[i].retgain_ctrlval = retgain;
+ sendEffects[i].retgain = retgain;
+ sendEffects[i].retgain = (double) retgain/ 75.0;
+ MidiEvent ev(0, 0, ME_CONTROLLER, SS_PLUGIN_RETURNLEVEL_CONTROLLER(i), retgain);
+ gui->writeEvent(ev);
+
+ for (int j=0; j<params; j++) {
+ if (SS_DEBUG_INIT)
+ printf("buffer[%ld] - sendeffect[%d], parameter[%d]=%d\n", ptr-data, i, j, *ptr);
+ setFxParameter(i, j, sendEffects[i].plugin->convertGuiControlValue(j, *(ptr)));
+ ptr++;
+ }
+ }
+ else {
+ if (sendEffects[i].plugin)
+ cleanupPlugin(i);
+ ptr++;
+ }
+ }
+
+ SS_TRACE_OUT
+ }
+
+/*!
+ \fn SimpleSynth::loadSample(int chno, const char* filename)
+ */
+bool SimpleSynth::loadSample(int chno, const char* filename)
+ {
+ SS_TRACE_IN
+ SS_Channel* ch = &channels[chno];
+
+ // Thread stuff:
+ SS_SampleLoader* loader = new SS_SampleLoader;
+ loader->channel = ch;
+ loader->filename = std::string(filename);
+ loader->ch_no = chno;
+ if (SS_DEBUG) {
+ printf("Loader filename is: %s\n", filename);
+ }
+ pthread_t sampleThread;
+ pthread_attr_t* attributes = (pthread_attr_t*) malloc(sizeof(pthread_attr_t));
+ pthread_attr_init(attributes);
+ pthread_attr_setdetachstate(attributes, PTHREAD_CREATE_DETACHED);
+ if (pthread_create(&sampleThread, attributes, ::loadSampleThread, (void*) loader)) {
+ perror("creating thread failed:");
+ pthread_attr_destroy(attributes);
+ delete loader;
+ return false;
+ }
+
+ pthread_attr_destroy(attributes);
+ SS_TRACE_OUT
+ return true;
+ }
+
+/*!
+ \fn loadSampleThread(void* p)
+ \brief Since process needs to respond withing a certain time, loading of samples need to be done in a separate thread
+ */
+static void* loadSampleThread(void* p)
+ {
+ SS_TRACE_IN
+ pthread_mutex_lock(&SS_LoaderMutex);
+
+ // Crit section:
+ SS_State prevState = synth_state;
+ SWITCH_SYNTH_STATE(SS_LOADING_SAMPLE);
+ SS_SampleLoader* loader = (SS_SampleLoader*) p;
+ SS_Channel* ch = loader->channel;
+ int ch_no = loader->ch_no;
+
+ if (ch->sample) {
+ delete[] ch->sample->data;
+ delete ch->sample;
+ }
+ ch->sample = new SS_Sample;
+ SS_Sample* smp = ch->sample;
+
+ SNDFILE* sf;
+ const char* filename = loader->filename.c_str();
+ SF_INFO sfi;
+
+ if (SS_DEBUG)
+ printf("loadSampleThread: filename = %s\n", filename);
+
+ sf = sf_open(filename, SFM_READ, &sfi);
+ if (sf == 0) {
+ fprintf(stderr,"Error opening file: %s\n", filename);
+ SWITCH_SYNTH_STATE(prevState);
+ simplesynth_ptr->guiSendSampleLoaded(false, loader->ch_no, filename);
+ delete ch->sample; ch->sample = 0;
+ delete loader;
+ pthread_mutex_unlock(&SS_LoaderMutex);
+ SS_TRACE_OUT
+ pthread_exit(0);
+ }
+
+ //Print some info:
+ if (SS_DEBUG) {
+ printf("Sample info:\n");
+ printf("Frames: \t%ld\n", (long) sfi.frames);
+ printf("Channels: \t%d\n", sfi.channels);
+ printf("Samplerate: \t%d\n", sfi.samplerate);
+ }
+
+ //
+ // Allocate and read the thingie
+ //
+
+ // If current samplerate is the same as MusE's:
+ if (SS_samplerate == sfi.samplerate) {
+ smp->data = new float[sfi.channels * sfi.frames];
+ sf_count_t n = sf_readf_float(sf, smp->data, sfi.frames);
+ smp->frames = sfi.frames;
+ smp->samples = (n * sfi.channels);
+ smp->channels = sfi.channels;
+ if (SS_DEBUG) {
+ printf("%ld frames read\n", (long) n);
+ }
+ }
+ else // otherwise, resample:
+ {
+ smp->channels = sfi.channels;
+ // Get new nr of frames:
+ double srcratio = (double) SS_samplerate/ (double) sfi.samplerate;
+ smp->frames = (long) floor(((double) sfi.frames * srcratio));
+ smp->frames = (sfi.channels == 1 ? smp->frames * 2 : smp->frames ); // Double nr of new frames if mono->stereo
+ smp->samples = smp->frames * smp->channels;
+
+ if (SS_DEBUG) {
+ printf("Resampling from %ld frames to %ld frames - srcration: %lf\n", sfi.frames, smp->frames, srcratio);
+ printf("Nr of new samples: %ld\n", smp->samples);
+ }
+
+ // Read to temporary:
+ float temp[sfi.frames * sfi.channels];
+ int frames_read = sf_readf_float(sf, temp, sfi.frames);
+ if (frames_read != sfi.frames) {
+ fprintf(stderr,"Error reading sample %s\n", filename);
+ simplesynth_ptr->guiSendSampleLoaded(false, loader->ch_no, filename);
+ sf_close(sf);
+ SWITCH_SYNTH_STATE(prevState);
+ delete ch->sample; ch->sample = 0;
+ delete loader;
+ pthread_mutex_unlock(&SS_LoaderMutex);
+ pthread_exit(0);
+ SS_TRACE_OUT
+ }
+
+ // Allocate mem for the new one
+ smp->data = new float[smp->frames * smp->channels];
+ memset(smp->data, 0, sizeof(float)* smp->frames * smp->channels);
+
+ // libsamplerate & co (secret rabbits in the code!)
+ SRC_DATA srcdata;
+ srcdata.data_in = temp;
+ srcdata.data_out = smp->data;
+ srcdata.input_frames = sfi.frames;
+ srcdata.output_frames = smp->frames;
+ srcdata.src_ratio = (double) SS_samplerate / (double) sfi.samplerate;
+
+ if (SS_DEBUG) {
+ printf("Converting sample....\n");
+ }
+
+ if (src_simple(&srcdata, SRC_SINC_BEST_QUALITY, sfi.channels)) {
+ SS_ERROR("Error when resampling, ignoring current sample");
+ //TODO: deallocate and stuff
+ }
+ else if (SS_DEBUG) {
+ printf("Sample converted. %ld input frames used, %ld output frames generated\n",
+ srcdata.input_frames_used,
+ srcdata.output_frames_gen);
+ }
+ }
+ //Just close the dam thing
+ sf_close(sf);
+ SWITCH_SYNTH_STATE(prevState);
+ ch->sample->filename = loader->filename;
+ simplesynth_ptr->guiSendSampleLoaded(true, ch_no, filename);
+ delete loader;
+ pthread_mutex_unlock(&SS_LoaderMutex);
+ SS_TRACE_OUT
+ pthread_exit(0);
+ }
+
+
+static Mess* instantiate(int sr, const char* name)
+ {
+ printf("SimpleSynth sampleRate %d\n", sr);
+ SimpleSynth* synth = new SimpleSynth(sr);
+ if (!synth->init(name)) {
+ delete synth;
+ synth = 0;
+ }
+ return synth;
+ }
+
+
+/*!
+ \fn SimpleSynth::updateBalance(int pan)
+ */
+void SimpleSynth::updateBalance(int ch, int val)
+ {
+ SS_TRACE_IN
+ channels[ch].pan = val;
+
+ // Balance:
+ channels[ch].balanceFactorL = 1.0;
+ channels[ch].balanceFactorR = 1.0;
+ double offset = 0;
+ int dev = val - 64;
+ offset = (double) dev / 64.0;
+ if (offset < 0) {
+ channels[ch].balanceFactorR = 1.0 + offset;
+ }
+ else {
+ channels[ch].balanceFactorL = 1.0 - offset;
+ }
+
+ if (SS_DEBUG_MIDI)
+ printf("balanceFactorL %f balanceFactorR %f\n", channels[ch].balanceFactorL, channels[ch].balanceFactorR);
+ SS_TRACE_OUT
+ }
+
+
+/*!
+ \fn SimpleSynth::updateVolume(int invol_ctrlval)
+ */
+void SimpleSynth::updateVolume(int ch, int invol_ctrlval)
+ {
+ SS_TRACE_IN
+ channels[ch].volume = (double)invol_ctrlval/ (double) SS_CHANNEL_VOLUME_QUOT;
+ channels[ch].volume_ctrlval = invol_ctrlval;
+ SS_TRACE_OUT
+ }
+
+
+/*!
+ \fn SimpleSynth::guiUpdateBalance(int ch, int bal)
+ */
+void SimpleSynth::guiUpdateBalance(int ch, int bal)
+ {
+ SS_TRACE_IN
+ MidiEvent ev(0, ch, ME_CONTROLLER, SS_CHANNEL_PAN_CONTROLLER(ch), bal);
+ gui->writeEvent(ev);
+ SS_TRACE_OUT
+ }
+
+
+/*!
+ \fn SimpleSynth::guiUpdateVolume(int ch, int val)
+ */
+void SimpleSynth::guiUpdateVolume(int ch, int val)
+ {
+ SS_TRACE_IN
+ MidiEvent ev(0, 0, ME_CONTROLLER, SS_CHANNEL_VOLUME_CONTROLLER(ch), val);
+ gui->writeEvent(ev);
+ SS_TRACE_OUT
+ }
+
+
+/*!
+ \fn SimpleSynth::guiUpdateNoff(bool b)
+ */
+void SimpleSynth::guiUpdateNoff(int ch, bool b)
+ {
+ SS_TRACE_IN
+ MidiEvent ev(0, 0, ME_CONTROLLER, SS_CHANNEL_NOFF_CONTROLLER(ch), b);
+ gui->writeEvent(ev);
+ SS_TRACE_OUT
+ }
+
+
+/*!
+ \fn SimpleSynth::guiUpdateChoff(int ch, bool b)
+ */
+void SimpleSynth::guiUpdateChoff(int ch, bool b)
+ {
+ SS_TRACE_IN
+ MidiEvent ev(0, 0, ME_CONTROLLER, SS_CHANNEL_ONOFF_CONTROLLER(ch), b);
+ gui->writeEvent(ev);
+ SS_TRACE_OUT
+ }
+
+
+/*!
+ \fn SimpleSynth::guiUpdateMasterVol(int val)
+ */
+void SimpleSynth::guiUpdateMasterVol(int val)
+ {
+ SS_TRACE_IN
+ MidiEvent ev(0, 0, ME_CONTROLLER, SS_MASTER_CTRL_VOLUME, val);
+ gui->writeEvent(ev);
+ SS_TRACE_OUT
+ }
+
+/*!
+ \fn SimpleSynth::guiUpdateSendFxLevel(int fxid, int level)
+ */
+void SimpleSynth::guiUpdateSendFxLevel(int channel, int fxid, int level)
+ {
+ SS_TRACE_IN
+ MidiEvent ev(0, 0, ME_CONTROLLER, SS_CHANNEL_SENDFX_CONTROLLER(channel, fxid), level);
+ gui->writeEvent(ev);
+ SS_TRACE_OUT
+ }
+
+
+/*!
+ \fn SimpleSynth::guiSendSampleLoaded(int ch, const char* filename)
+ */
+void SimpleSynth::guiSendSampleLoaded(bool success, int ch, const char* filename)
+ {
+ SS_TRACE_IN
+ int len = strlen(filename) + 3; //2 + filenamelen + 1;
+ byte out[len];
+
+ if (success) {
+ out[0] = SS_SYSEX_LOAD_SAMPLE_OK;
+ }
+ else {
+ out[0] = SS_SYSEX_LOAD_SAMPLE_ERROR;
+ }
+ out[1] = ch;
+ memcpy(out+2, filename, strlen(filename)+1);
+ MidiEvent ev(0, ME_SYSEX, out, len);
+ gui->writeEvent(ev);
+ SS_TRACE_OUT
+ }
+
+
+/*!
+ \fn SimpleSynth::guiSendError(const char* errorstring)
+ */
+void SimpleSynth::guiSendError(const char* errorstring)
+ {
+ SS_TRACE_IN
+ byte out[strlen(errorstring)+2];
+ out[0] = SS_SYSEX_ERRORMSG;
+ memcpy(out+1, errorstring, strlen(errorstring) +1);
+ SS_TRACE_OUT
+ }
+
+extern "C"
+ {
+ static MESS descriptor = {
+ "SimpleSynth",
+ "Mathias Lundgren (lunar_shuttle@users.sf.net)",
+ "0.1", //Version string
+ MESS_MAJOR_VERSION, MESS_MINOR_VERSION,
+ instantiate,
+ };
+ const MESS* mess_descriptor() { return &descriptor; }
+ }
+
+
+/*!
+ \fn SimpleSynth::initSendEffect(int sendeffectid, QString lib, QString name)
+ */
+bool SimpleSynth::initSendEffect(int id, QString lib, QString name)
+ {
+ SS_TRACE_IN
+ bool success = false;
+ if (sendEffects[id].plugin) {
+ //Cleanup if one was already there:
+ cleanupPlugin(id);
+ }
+ sendEffects[id].plugin = (LadspaPlugin*) plugins.find(lib, name);
+ LadspaPlugin* plugin = sendEffects[id].plugin;
+ if (plugin) { //We found one
+
+ sendEffects[id].inputs = plugin->inports();
+ sendEffects[id].outputs = plugin->outports();
+
+ if (plugin->instantiate()) {
+ SS_DBG2("Plugin instantiated", name.toLatin1().data());
+ SS_DBG_I("Parameters", plugin->parameter());
+ SS_DBG_I("No of inputs", plugin->inports());
+ SS_DBG_I("No of outputs",plugin->outports());
+ SS_DBG_I("Inplace-capable", plugin->inPlaceCapable());
+
+ // Connect inputs/outputs:
+ // If single output/input, only use first channel in sendFxLineOut/sendFxReturn
+ SS_DBG("Connecting ports...");
+ plugin->connectInport(0, sendFxLineOut[id][0]);
+ if (plugin->inports() == 2)
+ plugin->connectInport(1, sendFxLineOut[id][1]);
+ else if (plugin->inports() > 2) {
+ fprintf(stderr, "Plugin has more than 2 inputs, not supported\n");
+ }
+
+ plugin->connectOutport(0, sendFxReturn[id][0]);
+ if (plugin->outports() == 2)
+ plugin->connectOutport(1, sendFxReturn[id][1]);
+ else if (plugin->outports() > 2) {
+ fprintf(stderr, "Plugin has more than 2 outputs, not supported\n");
+ }
+ SS_DBG("Ports connected");
+ if (plugin->start()) {
+ sendEffects[id].state = SS_SENDFX_ON;
+ success = true;
+
+ int n = plugin->parameter();
+ sendEffects[id].nrofparameters = n;
+
+ // This is not nice, but freeverb doesn't want to play until some values are set:
+ if (name == "freeverb3") {
+ setFxParameter(id, 2, 0.5);
+ setFxParameter(id, 3, 0.5);
+ setFxParameter(id, 4, 0.5);
+ guiUpdateFxParameter(id, 2, 0.5);
+ guiUpdateFxParameter(id, 3, 0.5);
+ guiUpdateFxParameter(id, 4, 0.5);
+ }
+ }
+ //TODO: cleanup if failed
+ }
+ }
+ //Notify gui
+ int len = 3;
+ byte out[len];
+ out[0] = SS_SYSEX_LOAD_SENDEFFECT_OK;
+ out[1] = id;
+ int j=0;
+ for (iPlugin i = plugins.begin(); i!=plugins.end(); i++, j++) {
+ if ((*i)->lib() == plugin->lib() && (*i)->label() == plugin->label()) {
+ out[2] = j;
+ MidiEvent ev(0, ME_SYSEX, out, len);
+ gui->writeEvent(ev);
+ }
+ }
+
+ if (!success) {
+ QString errorString = "Error loading plugin \"" + plugin->label() + "\"";
+ guiSendError(errorString.toLatin1().data());
+ }
+ return success;
+ SS_TRACE_OUT
+ }
+
+
+/*!
+ \fn SimpleSynth::setSendFxLevel(int channel, int effectid, double val)
+ */
+void SimpleSynth::setSendFxLevel(int channel, int effectid, double val)
+ {
+ SS_TRACE_IN
+ channels[channel].sendfxlevel[effectid] = val;
+ SS_TRACE_OUT
+ }
+
+
+/*!
+ \fn SimpleSynth::cleanupPlugin(int id)
+ */
+void SimpleSynth::cleanupPlugin(int id)
+ {
+ SS_TRACE_IN
+ LadspaPlugin* plugin = sendEffects[id].plugin;
+ plugin->stop();
+ SS_DBG2("Stopped fx", plugin->label().toLatin1().data());
+ sendEffects[id].nrofparameters = 0;
+ sendEffects[id].state = SS_SENDFX_OFF;
+ sendEffects[id].plugin = 0;
+
+ byte d[2];
+ d[0] = SS_SYSEX_CLEAR_SENDEFFECT_OK;
+ d[1] = id;
+ MidiEvent ev(0, ME_SYSEX, d, 2);
+ gui->writeEvent(ev);
+ SS_TRACE_OUT
+ }
+
+
+/*!
+ \fn SimpleSynth::setFxParameter(int fxid, int param, float val)
+ \brief Set fx-parameter on plugin and notify gui
+ */
+void SimpleSynth::setFxParameter(int fxid, int param, float val)
+ {
+ SS_TRACE_IN
+ LadspaPlugin* plugin = sendEffects[fxid].plugin;
+ if (SS_DEBUG_LADSPA) {
+ printf("Setting fx parameter: %f\n", val);
+ }
+ plugin->setParam(param, val);
+ //sendEffects[fxid].parameter[param] = val;
+ //guiUpdateFxParameter(fxid, param, val);
+ SS_TRACE_OUT
+ }
+
+
+
+/*!
+ \fn SimpleSynth::guiUpdateFxParameter(int fxid, int param, float val)
+ \brief Notify gui of changed fx-parameter
+ */
+void SimpleSynth::guiUpdateFxParameter(int fxid, int param, float val)
+ {
+ SS_TRACE_IN
+ LadspaPlugin* plugin = sendEffects[fxid].plugin;
+ float min, max;
+ plugin->range(param, &min, &max);
+ //offset:
+ val-= min;
+
+ int intval = plugin->getGuiControlValue(param);
+ /*if (plugin->isLog(param)) {
+ intval = SS_map_logdomain2pluginparam(logf(val/(max - min) + min));
+ }
+ else if (plugin->isBool(param)) {
+ intval = (int) val;
+ }
+ else {
+ float scale = SS_PLUGIN_PARAM_MAX / (max - min);
+ intval = (int) ((val - min) * scale);
+ }*/
+ if (SS_DEBUG_MIDI) {
+ printf("Updating gui, fx parameter. fxid=%d, param=%d val=%d\n", fxid, param, intval);
+ }
+
+ byte d[4];
+ d[0] = SS_SYSEX_SET_PLUGIN_PARAMETER_OK;
+ d[1] = fxid;
+ d[2] = param;
+ d[3] = intval;
+ MidiEvent ev(0, ME_SYSEX, d, 4);
+ gui->writeEvent(ev);
+ SS_TRACE_OUT
+ }
+
+
+/*!
+ \fn SimpleSynth::clearSample(int ch)
+ \brief Clears a sample (actually clears a channel)
+ */
+void SimpleSynth::clearSample(int ch)
+ {
+ SS_TRACE_IN
+ if (channels[ch].sample) {
+ if (SS_DEBUG)
+ printf("Clearing sample on channel %d\n", ch);
+ SS_State prevstate = synth_state;
+ SWITCH_CHAN_STATE(ch, SS_CHANNEL_INACTIVE);
+ SWITCH_SYNTH_STATE(SS_CLEARING_SAMPLE);
+ if (channels[ch].sample->data) {
+ delete[] channels[ch].sample->data;
+ channels[ch].sample->data = 0;
+ }
+ if (channels[ch].sample) {
+ delete channels[ch].sample;
+ channels[ch].sample = 0;
+ }
+ SWITCH_SYNTH_STATE(prevstate);
+ guiNotifySampleCleared(ch);
+ if (SS_DEBUG) {
+ printf("Clear sample - sample cleared on channel %d\n", ch);
+ }
+ }
+ SS_TRACE_OUT
+ }
+
+
+/*!
+ \fn SimpleSynth::guiNotifySampleCleared(int ch)
+ */
+void SimpleSynth::guiNotifySampleCleared(int ch)
+ {
+ SS_TRACE_IN
+ byte d[2];
+ d[0] = SS_SYSEX_CLEAR_SAMPLE_OK;
+ d[1] = (byte) ch;
+ MidiEvent ev(0, ME_SYSEX, d, 2);
+ gui->writeEvent(ev);
+ SS_TRACE_OUT
+ }
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