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-rw-r--r--src/drumgizmo.cc1264
1 files changed, 588 insertions, 676 deletions
diff --git a/src/drumgizmo.cc b/src/drumgizmo.cc
index 3dc1306..26b8e65 100644
--- a/src/drumgizmo.cc
+++ b/src/drumgizmo.cc
@@ -46,346 +46,403 @@
#include "nolocale.h"
DrumGizmo::DrumGizmo(AudioOutputEngine *o, AudioInputEngine *i)
- : MessageReceiver(MSGRCV_ENGINE)
- , loader()
- , oe(o)
- , ie(i)
- , framesize(0)
- , freewheel(false)
+ : MessageReceiver(MSGRCV_ENGINE)
+ , loader()
+ , oe(o)
+ , ie(i)
+ , framesize(0)
+ , freewheel(false)
{
- is_stopping = false;
- audioCache.init(1000); // start thread
+ is_stopping = false;
+ audioCache.init(1000); // start thread
}
DrumGizmo::~DrumGizmo()
{
- audioCache.deinit(); // stop thread
+ audioCache.deinit(); // stop thread
}
bool DrumGizmo::loadkit(std::string file)
{
- if(file == "") return 1;
+ if(file == "")
+ {
+ return 1;
+ }
- DEBUG(drumgizmo, "loadkit(%s)\n", file.c_str());
+ DEBUG(drumgizmo, "loadkit(%s)\n", file.c_str());
- // Remove all queue AudioFiles from loader before we actually delete them.
- loader.skip();
+ // Remove all queue AudioFiles from loader before we actually delete them.
+ loader.skip();
- // Delete all Channels, Instruments, Samples and AudioFiles.
- kit.clear();
+ // Delete all Channels, Instruments, Samples and AudioFiles.
+ kit.clear();
- DrumKitParser parser(file, kit);
- if(parser.parse()) {
- ERR(drumgizmo, "Drumkit parser failed: %s\n", file.c_str());
- return false;
- }
+ DrumKitParser parser(file, kit);
+ if(parser.parse())
+ {
+ ERR(drumgizmo, "Drumkit parser failed: %s\n", file.c_str());
+ return false;
+ }
- loader.loadKit(&kit);
+ loader.loadKit(&kit);
#ifdef WITH_RESAMPLER
- for(int i = 0; i < MAX_NUM_CHANNELS; i++) {
- resampler[i].setup(kit.samplerate(), Conf::samplerate);
- }
+ for(int i = 0; i < MAX_NUM_CHANNELS; ++i)
+ {
+ resampler[i].setup(kit.samplerate(), Conf::samplerate);
+ }
#endif/*WITH_RESAMPLER*/
- DEBUG(loadkit, "loadkit: Success\n");
+ DEBUG(loadkit, "loadkit: Success\n");
- return true;
+ return true;
}
bool DrumGizmo::init()
{
- if(!ie->init(kit.instruments)) return false;
- if(!oe->init(kit.channels)) return false;
+ if(!ie->init(kit.instruments))
+ {
+ return false;
+ }
- return true;
+ if(!oe->init(kit.channels))
+ {
+ return false;
+ }
+
+ return true;
}
void DrumGizmo::handleMessage(Message *msg)
{
- DEBUG(msg, "got message.");
- switch(msg->type()) {
- case Message::LoadDrumKit:
- {
- DEBUG(msg, "got LoadDrumKitMessage message.");
- LoadDrumKitMessage *m = (LoadDrumKitMessage*)msg;
- loadkit(m->drumkitfile);
- //init(true);
- }
- break;
- case Message::LoadMidimap:
- DEBUG(msg, "got LoadMidimapMessage message.");
- if(!ie->isMidiEngine()) break;
- {
- AudioInputEngineMidi *aim = (AudioInputEngineMidi*)ie;
- LoadMidimapMessage *m = (LoadMidimapMessage*)msg;
- bool ret = aim->loadMidiMap(m->midimapfile, kit.instruments);
-
- LoadStatusMessageMidimap *ls = new LoadStatusMessageMidimap();
- ls->success = ret;
- msghandler.sendMessage(MSGRCV_UI, ls);
- }
- break;
- case Message::EngineSettingsMessage:
- {
- bool mmap_loaded = false;
- std::string mmapfile;
- if(ie->isMidiEngine()) {
- AudioInputEngineMidi *aim = (AudioInputEngineMidi*)ie;
- mmapfile = aim->midimapFile();
- mmap_loaded = aim->isValid();
- }
-
- EngineSettingsMessage *msg = new EngineSettingsMessage();
- msg->midimapfile = mmapfile;
- msg->midimap_loaded = mmap_loaded;
- msg->drumkitfile = kit.file();
- msg->drumkit_loaded = loader.isDone();
- msg->enable_velocity_modifier = Conf::enable_velocity_modifier;
- msg->velocity_modifier_falloff = Conf::velocity_modifier_falloff;
- msg->velocity_modifier_weight = Conf::velocity_modifier_weight;
- msg->enable_velocity_randomiser = Conf::enable_velocity_randomiser;
- msg->velocity_randomiser_weight = Conf::velocity_randomiser_weight;
- msghandler.sendMessage(MSGRCV_UI, msg);
- }
- break;
- case Message::ChangeSettingMessage:
- {
- ChangeSettingMessage *ch = (ChangeSettingMessage*)msg;
- switch(ch->name) {
- case ChangeSettingMessage::enable_velocity_modifier:
- Conf::enable_velocity_modifier = ch->value;
- break;
- case ChangeSettingMessage::velocity_modifier_weight:
- Conf::velocity_modifier_weight = ch->value;
- break;
- case ChangeSettingMessage::velocity_modifier_falloff:
- Conf::velocity_modifier_falloff = ch->value;
- break;
- }
- }
- break;
- default:
- break;
- }
+ DEBUG(msg, "got message.");
+ switch(msg->type()) {
+ case Message::LoadDrumKit:
+ {
+ DEBUG(msg, "got LoadDrumKitMessage message.");
+ LoadDrumKitMessage *m = (LoadDrumKitMessage*)msg;
+ loadkit(m->drumkitfile);
+ //init(true);
+ }
+ break;
+ case Message::LoadMidimap:
+ DEBUG(msg, "got LoadMidimapMessage message.");
+ if(!ie->isMidiEngine())
+ {
+ break;
+ }
+ {
+ AudioInputEngineMidi *aim = (AudioInputEngineMidi*)ie;
+ LoadMidimapMessage *m = (LoadMidimapMessage*)msg;
+ bool ret = aim->loadMidiMap(m->midimapfile, kit.instruments);
+
+ LoadStatusMessageMidimap *ls = new LoadStatusMessageMidimap();
+ ls->success = ret;
+ msghandler.sendMessage(MSGRCV_UI, ls);
+ }
+ break;
+ case Message::EngineSettingsMessage:
+ {
+ bool mmap_loaded = false;
+ std::string mmapfile;
+ if(ie->isMidiEngine())
+ {
+ AudioInputEngineMidi *aim = (AudioInputEngineMidi*)ie;
+ mmapfile = aim->midimapFile();
+ mmap_loaded = aim->isValid();
+ }
+
+ EngineSettingsMessage *msg = new EngineSettingsMessage();
+ msg->midimapfile = mmapfile;
+ msg->midimap_loaded = mmap_loaded;
+ msg->drumkitfile = kit.file();
+ msg->drumkit_loaded = loader.isDone();
+ msg->enable_velocity_modifier = Conf::enable_velocity_modifier;
+ msg->velocity_modifier_falloff = Conf::velocity_modifier_falloff;
+ msg->velocity_modifier_weight = Conf::velocity_modifier_weight;
+ msg->enable_velocity_randomiser = Conf::enable_velocity_randomiser;
+ msg->velocity_randomiser_weight = Conf::velocity_randomiser_weight;
+ msghandler.sendMessage(MSGRCV_UI, msg);
+ }
+ break;
+ case Message::ChangeSettingMessage:
+ {
+ ChangeSettingMessage *ch = (ChangeSettingMessage*)msg;
+ switch(ch->name) {
+ case ChangeSettingMessage::enable_velocity_modifier:
+ Conf::enable_velocity_modifier = ch->value;
+ break;
+ case ChangeSettingMessage::velocity_modifier_weight:
+ Conf::velocity_modifier_weight = ch->value;
+ break;
+ case ChangeSettingMessage::velocity_modifier_falloff:
+ Conf::velocity_modifier_falloff = ch->value;
+ break;
+ }
+ }
+ break;
+ default:
+ break;
+ }
}
void DrumGizmo::setFrameSize(size_t framesize)
{
- // If we are resampling override the frame size.
- if(resampler[0].ratio() != 1) {
- framesize = RESAMPLER_INPUT_BUFFER;
- }
-
- if(this->framesize != framesize) {
- DEBUG(drumgizmo, "New framesize: %d\n", (int)framesize);
-
- this->framesize = framesize;
-
- // Update framesize in drumkitloader and cachemanager:
- loader.setFrameSize(framesize);
- audioCache.setFrameSize(framesize);
- }
+ // If we are resampling override the frame size.
+ if(resampler[0].ratio() != 1)
+ {
+ framesize = RESAMPLER_INPUT_BUFFER;
+ }
+
+ if(this->framesize != framesize)
+ {
+ DEBUG(drumgizmo, "New framesize: %d\n", (int)framesize);
+
+ this->framesize = framesize;
+
+ // Update framesize in drumkitloader and cachemanager:
+ loader.setFrameSize(framesize);
+ audioCache.setFrameSize(framesize);
+ }
}
void DrumGizmo::setFreeWheel(bool freewheel)
{
- // Freewheel = true means that we are bouncing and therefore running faster
- // than realtime.
- if(freewheel != this->freewheel) {
- this->freewheel = freewheel;
- audioCache.setAsyncMode(!freewheel);
- }
+ // Freewheel = true means that we are bouncing and therefore running faster
+ // than realtime.
+ if(freewheel != this->freewheel)
+ {
+ this->freewheel = freewheel;
+ audioCache.setAsyncMode(!freewheel);
+ }
}
bool DrumGizmo::run(size_t pos, sample_t *samples, size_t nsamples)
{
- setFrameSize(nsamples);
-
- // Handle engine messages, at most one in each iteration:
- handleMessages(1);
-
- ie->pre();
- oe->pre(nsamples);
-
- //
- // Read new events
- //
-
- //DEBUG(engine, "Number of active events: %d\n", activeevents[0].size());
-
- size_t nev;
- event_t *evs = ie->run(pos, nsamples, &nev);
-
- for(size_t e = 0; e < nev; e++) {
- if(evs[e].type == TYPE_ONSET) {
- Instrument *i = NULL;
- int d = evs[e].instrument;
- /*
- Instruments::iterator it = kit.instruments.begin();
- while(d-- && it != kit.instruments.end()) {
- i = &(it->second);
- it++;
- }
- */
-
- if(!kit.isValid()) continue;
-
- if(d < (int)kit.instruments.size()) {
- i = kit.instruments[d];
- }
-
- if(i == NULL || !i->isValid()) {
- ERR(drumgizmo, "Missing Instrument %d.\n", evs[e].instrument);
- continue;
- }
-
- if(i->group() != "") {
- // Add event to ramp down all existing events with the same groupname.
- Channels::iterator j = kit.channels.begin();
- while(j != kit.channels.end()) {
- Channel &ch = *j;
- std::list< Event* >::iterator evs = activeevents[ch.num].begin();
- while(evs != activeevents[ch.num].end()) {
- Event *ev = *evs;
- if(ev->type() == Event::sample) {
- EventSample *sev = (EventSample*)ev;
- if(sev->group == i->group() && sev->instrument != i) {
- sev->rampdown = 3000; // Ramp down 3000 samples
- // TODO: This must be configurable at some point...
- // ... perhaps even by instrument (ie. in the xml file)
- sev->ramp_start = sev->rampdown;
- }
- }
- evs++;
- }
- j++;
- }
- }
-
- Sample *s = i->sample(evs[e].velocity, evs[e].offset + pos);
-
- if(s == NULL) {
- ERR(drumgizmo, "Missing Sample.\n");
- continue;
- }
-
- Channels::iterator j = kit.channels.begin();
- while(j != kit.channels.end()) {
- Channel &ch = *j;
- AudioFile *af = s->getAudioFile(&ch);
- if(af) {
- // LAZYLOAD:
- // DEBUG(drumgizmo,"Requesting preparing of audio file\n");
- // loader.prepare(af);
- }
- if(af == NULL || !af->isValid()) {
- //DEBUG(drumgizmo,"Missing AudioFile.\n");
- } else {
- //DEBUG(drumgizmo, "Adding event %d.\n", evs[e].offset);
- Event *evt = new EventSample(ch.num, 1.0, af, i->group(), i);
- evt->offset = (evs[e].offset + pos) * resampler[0].ratio();
- activeevents[ch.num].push_back(evt);
- }
- j++;
- }
- }
-
- if(evs[e].type == TYPE_STOP) {
- is_stopping = true;
- }
-
- if(is_stopping) {
- // Count the number of active events.
- int num_active_events = 0;
- Channels::iterator j = kit.channels.begin();
- while(j != kit.channels.end()) {
- Channel &ch = *j;
- num_active_events += activeevents[ch.num].size();
- j++;
- }
-
- if(num_active_events == 0) {
- // No more active events - now we can stop the engine.
- return false;
- }
- }
-
- }
-
- free(evs);
-
- //
- // Write audio
- //
+ setFrameSize(nsamples);
+
+ // Handle engine messages, at most one in each iteration:
+ handleMessages(1);
+
+ ie->pre();
+ oe->pre(nsamples);
+
+ //
+ // Read new events
+ //
+
+ //DEBUG(engine, "Number of active events: %d\n", activeevents[0].size());
+
+ size_t nev;
+ event_t *evs = ie->run(pos, nsamples, &nev);
+
+ for(size_t e = 0; e < nev; ++e)
+ {
+ if(evs[e].type == TYPE_ONSET)
+ {
+ Instrument *i = nullptr;
+ int d = evs[e].instrument;
+ /*
+ Instruments::iterator it = kit.instruments.begin();
+ while(d-- && it != kit.instruments.end())
+ {
+ i = &(it->second);
+ ++it;
+ }
+ */
+
+ if(!kit.isValid())
+ {
+ continue;
+ }
+
+ if(d < (int)kit.instruments.size())
+ {
+ i = kit.instruments[d];
+ }
+
+ if(i == nullptr || !i->isValid())
+ {
+ ERR(drumgizmo, "Missing Instrument %d.\n", evs[e].instrument);
+ continue;
+ }
+
+ if(i->group() != "")
+ {
+ // Add event to ramp down all existing events with the same groupname.
+ Channels::iterator j = kit.channels.begin();
+ while(j != kit.channels.end())
+ {
+ Channel &ch = *j;
+ std::list< Event* >::iterator evs = activeevents[ch.num].begin();
+ while(evs != activeevents[ch.num].end())
+ {
+ Event *ev = *evs;
+ if(ev->type() == Event::sample)
+ {
+ EventSample *sev = (EventSample*)ev;
+ if(sev->group == i->group() && sev->instrument != i)
+ {
+ sev->rampdown = 3000; // Ramp down 3000 samples
+ // TODO: This must be configurable at some point...
+ // ... perhaps even by instrument (ie. in the xml file)
+ sev->ramp_start = sev->rampdown;
+ }
+ }
+ ++evs;
+ }
+ ++j;
+ }
+ }
+
+ Sample *s = i->sample(evs[e].velocity, evs[e].offset + pos);
+
+ if(s == nullptr)
+ {
+ ERR(drumgizmo, "Missing Sample.\n");
+ continue;
+ }
+
+ Channels::iterator j = kit.channels.begin();
+ while(j != kit.channels.end())
+ {
+ Channel &ch = *j;
+ AudioFile *af = s->getAudioFile(&ch);
+ if(af)
+ {
+ // LAZYLOAD:
+ // DEBUG(drumgizmo,"Requesting preparing of audio file\n");
+ // loader.prepare(af);
+ }
+ if(af == nullptr || !af->isValid())
+ {
+ //DEBUG(drumgizmo,"Missing AudioFile.\n");
+ }
+ else
+ {
+ //DEBUG(drumgizmo, "Adding event %d.\n", evs[e].offset);
+ Event *evt = new EventSample(ch.num, 1.0, af, i->group(), i);
+ evt->offset = (evs[e].offset + pos) * resampler[0].ratio();
+ activeevents[ch.num].push_back(evt);
+ }
+ ++j;
+ }
+ }
+
+ if(evs[e].type == TYPE_STOP)
+ {
+ is_stopping = true;
+ }
+
+ if(is_stopping)
+ {
+ // Count the number of active events.
+ int num_active_events = 0;
+ Channels::iterator j = kit.channels.begin();
+ while(j != kit.channels.end())
+ {
+ Channel &ch = *j;
+ num_active_events += activeevents[ch.num].size();
+ ++j;
+ }
+
+ if(num_active_events == 0)
+ {
+ // No more active events - now we can stop the engine.
+ return false;
+ }
+ }
+
+ }
+
+ free(evs);
+
+ //
+ // Write audio
+ //
#ifdef WITH_RESAMPLER
- if(Conf::enable_resampling == false ||
- resampler[0].ratio() == 1.0) { // No resampling needed
+ if((Conf::enable_resampling == false) ||
+ (resampler[0].ratio() == 1.0)) // No resampling needed
+ {
#endif
- for(size_t c = 0; c < kit.channels.size(); c++) {
- sample_t *buf = samples;
- bool internal = false;
- if(oe->getBuffer(c)) {
- buf = oe->getBuffer(c);
- internal = true;
- }
- if(buf) {
- memset(buf, 0, nsamples * sizeof(sample_t));
-
- getSamples(c, pos, buf, nsamples);
-
- if(!internal) oe->run(c, samples, nsamples);
- }
- }
+ for(size_t c = 0; c < kit.channels.size(); ++c)
+ {
+ sample_t *buf = samples;
+ bool internal = false;
+ if(oe->getBuffer(c))
+ {
+ buf = oe->getBuffer(c);
+ internal = true;
+ }
+
+ if(buf)
+ {
+ memset(buf, 0, nsamples * sizeof(sample_t));
+
+ getSamples(c, pos, buf, nsamples);
+
+ if(!internal)
+ {
+ oe->run(c, samples, nsamples);
+ }
+ }
+ }
#ifdef WITH_RESAMPLER
- } else {
- // Resampling needed
-
- //
- // NOTE: Channels must be processed one buffer at a time on all channels in
- // parallel - NOT all buffers on one channel and then all buffer on the next
- // one since this would mess up the event queue (it would jump back and forth
- // in time)
- //
-
- // Prepare output buffer
- for(size_t c = 0; c < kit.channels.size(); c++) {
- resampler[c].setOutputSamples(resampler_output_buffer[c], nsamples);
- }
-
- // Process channel data
- size_t kitpos = pos * resampler[0].ratio();
- size_t insize = sizeof(resampler_input_buffer[0]) / sizeof(sample_t);
-
- while(resampler[0].getOutputSampleCount() > 0) {
- for(size_t c = 0; c < kit.channels.size(); c++) {
- if(resampler[c].getInputSampleCount() == 0) {
- sample_t *sin = resampler_input_buffer[c];
- memset(resampler_input_buffer[c], 0,
- sizeof(resampler_input_buffer[c]));
- getSamples(c, kitpos, sin, insize);
-
- resampler[c].setInputSamples(sin, insize);
- }
- resampler[c].process();
- }
- kitpos += insize;
- }
-
- // Write output data to output engine.
- for(size_t c = 0; c < kit.channels.size(); c++) {
- oe->run(c, resampler_output_buffer[c], nsamples);
- }
-
- }
+ }
+ else
+ {
+ // Resampling needed
+
+ //
+ // NOTE: Channels must be processed one buffer at a time on all channels in
+ // parallel - NOT all buffers on one channel and then all buffer on the next
+ // one since this would mess up the event queue (it would jump back and
+ // forth in time)
+ //
+
+ // Prepare output buffer
+ for(size_t c = 0; c < kit.channels.size(); ++c)
+ {
+ resampler[c].setOutputSamples(resampler_output_buffer[c], nsamples);
+ }
+
+ // Process channel data
+ size_t kitpos = pos * resampler[0].ratio();
+ size_t insize = sizeof(resampler_input_buffer[0]) / sizeof(sample_t);
+
+ while(resampler[0].getOutputSampleCount() > 0)
+ {
+ for(size_t c = 0; c < kit.channels.size(); ++c)
+ {
+ if(resampler[c].getInputSampleCount() == 0)
+ {
+ sample_t *sin = resampler_input_buffer[c];
+ memset(resampler_input_buffer[c], 0,
+ sizeof(resampler_input_buffer[c]));
+ getSamples(c, kitpos, sin, insize);
+
+ resampler[c].setInputSamples(sin, insize);
+ }
+ resampler[c].process();
+ }
+ kitpos += insize;
+ }
+
+ // Write output data to output engine.
+ for(size_t c = 0; c < kit.channels.size(); ++c)
+ {
+ oe->run(c, resampler_output_buffer[c], nsamples);
+ }
+
+ }
#endif/*WITH_RESAMPLER*/
-
- ie->post();
- oe->post(nsamples);
-
- pos += nsamples;
- return true;
+ ie->post();
+ oe->post(nsamples);
+
+ pos += nsamples;
+
+ return true;
}
#undef SSE // SSE broken for now ... so disable it.
@@ -396,423 +453,278 @@ typedef float vNsf __attribute__ ((vector_size(sizeof(sample_t)*N)));
void DrumGizmo::getSamples(int ch, int pos, sample_t *s, size_t sz)
{
- std::list< Event* >::iterator i = activeevents[ch].begin();
- for(; i != activeevents[ch].end(); ++i) {
- bool removeevent = false;
-
- Event *event = *i;
-
- Event::type_t type = event->type();
- switch(type) {
- case Event::sample:
- {
- EventSample *evt = (EventSample *)event;
- AudioFile *af = evt->file;
-
- if(!af->isLoaded() || !af->isValid() || s == NULL) {
- removeevent = true;
- break;
- }
-
- // Don't handle event now is is scheduled for a future iteration?
- if(evt->offset > (pos + sz)) {
- continue;
- }
-
- if(evt->cache_id == CACHE_NOID) {
- size_t initial_chunksize = (pos + sz) - evt->offset;
- evt->buffer = audioCache.open(af, initial_chunksize,
- af->filechannel, evt->cache_id);
- evt->buffer_size = initial_chunksize;
- }
-
- {
- MutexAutolock l(af->mutex);
-
- size_t n = 0; // default start point is 0.
-
- // If we are not at offset 0 in current buffer:
- if(evt->offset > (size_t)pos) {
- n = evt->offset - pos;
- }
-
- size_t end = sz; // default end point is the end of the buffer.
-
- // Find the end point intra-buffer
- if((evt->t + end - n) > af->size) {
- end = af->size - evt->t + n;
- }
-
- // This should not be necessary but make absolutely sure that we do
- // not write over the end of the buffer.
- if(end > sz) {
- end = sz;
- }
-
- size_t t = 0; // Internal buffer counter
- if(evt->rampdown == NO_RAMPDOWN) {
+ std::list< Event* >::iterator i = activeevents[ch].begin();
+ for(; i != activeevents[ch].end(); ++i)
+ {
+ bool removeevent = false;
+
+ Event *event = *i;
+
+ Event::type_t type = event->type();
+ switch(type) {
+ case Event::sample:
+ {
+ EventSample *evt = (EventSample *)event;
+ AudioFile *af = evt->file;
+
+ if(!af->isLoaded() || !af->isValid() || (s == nullptr))
+ {
+ removeevent = true;
+ break;
+ }
+
+ // Don't handle event now is is scheduled for a future iteration?
+ if(evt->offset > (pos + sz))
+ {
+ continue;
+ }
+
+ if(evt->cache_id == CACHE_NOID)
+ {
+ size_t initial_chunksize = (pos + sz) - evt->offset;
+ evt->buffer = audioCache.open(af, initial_chunksize,
+ af->filechannel, evt->cache_id);
+ evt->buffer_size = initial_chunksize;
+ }
+
+ {
+ MutexAutolock l(af->mutex);
+
+ size_t n = 0; // default start point is 0.
+
+ // If we are not at offset 0 in current buffer:
+ if(evt->offset > (size_t)pos)
+ {
+ n = evt->offset - pos;
+ }
+
+ size_t end = sz; // default end point is the end of the buffer.
+
+ // Find the end point intra-buffer
+ if((evt->t + end - n) > af->size)
+ {
+ end = af->size - evt->t + n;
+ }
+
+ // This should not be necessary but make absolutely sure that we do
+ // not write over the end of the buffer.
+ if(end > sz)
+ {
+ end = sz;
+ }
+
+ size_t t = 0; // Internal buffer counter
+ if(evt->rampdown == NO_RAMPDOWN)
+ {
#ifdef SSE
- size_t optend = ((end - n) / N) * N + n;
-
- // Force source addr to be 16 byte aligned... (might skip 1 or 2 samples)
- while((size_t)&evt->buffer[t] % 16) {
- ++t;
- }
-
- for(; (n < optend) && (t < evt->buffer_size); n += N) {
- *(vNsf*)&(s[n]) += *(vNsf*)&(evt->buffer[t]);
- t += N;
- }
+ size_t optend = ((end - n) / N) * N + n;
+
+ // Force source addr to be 16 byte aligned...
+ // (might skip 1 or 2 samples)
+ while((size_t)&evt->buffer[t] % 16)
+ {
+ ++t;
+ }
+
+ for(; (n < optend) && (t < evt->buffer_size); n += N)
+ {
+ *(vNsf*)&(s[n]) += *(vNsf*)&(evt->buffer[t]);
+ t += N;
+ }
#endif
- for(; (n < end) && (t < evt->buffer_size); n++) {
- s[n] += evt->buffer[t];
- t++;
- }
- } else { // Ramp down in progress.
- for(; (n < end) && (t < evt->buffer_size) && evt->rampdown; n++) {
- float scale = (float)evt->rampdown/(float)evt->ramp_start;
- s[n] += evt->buffer[t] * scale;
- t++;
- evt->rampdown--;
- }
- }
-
- evt->t += evt->buffer_size; // Add internal buffer counter to "global" event counter.
-
- if((evt->t < af->size) && (evt->rampdown != 0)) {
- evt->buffer = audioCache.next(evt->cache_id, evt->buffer_size);
- } else {
- removeevent = true;
- }
-
- if(removeevent) {
- audioCache.close(evt->cache_id);
- }
- }
- }
- break;
- }
-
- if(removeevent) {
- delete event;
- i = activeevents[ch].erase(i);
- continue;
- }
- }
+ for(; (n < end) && (t < evt->buffer_size); ++n)
+ {
+ s[n] += evt->buffer[t];
+ ++t;
+ }
+ }
+ else
+ { // Ramp down in progress.
+ for(; (n < end) && (t < evt->buffer_size) && evt->rampdown; ++n)
+ {
+ float scale = (float)evt->rampdown/(float)evt->ramp_start;
+ s[n] += evt->buffer[t] * scale;
+ ++t;
+ evt->rampdown--;
+ }
+ }
+
+ // Add internal buffer counter to "global" event counter.
+ evt->t += evt->buffer_size;
+
+ if((evt->t < af->size) && (evt->rampdown != 0))
+ {
+ evt->buffer = audioCache.next(evt->cache_id, evt->buffer_size);
+ }
+ else
+ {
+ removeevent = true;
+ }
+
+ if(removeevent)
+ {
+ audioCache.close(evt->cache_id);
+ }
+ }
+ }
+ break;
+ }
+
+ if(removeevent)
+ {
+ delete event;
+ i = activeevents[ch].erase(i);
+ continue;
+ }
+ }
}
void DrumGizmo::stop()
{
- // engine.stop();
+ // engine.stop();
}
int DrumGizmo::samplerate()
{
- return Conf::samplerate;
+ return Conf::samplerate;
}
void DrumGizmo::setSamplerate(int samplerate)
{
DEBUG(dgeditor, "%s samplerate: %d\n", __PRETTY_FUNCTION__, samplerate);
- Conf::samplerate = samplerate;
+ Conf::samplerate = samplerate;
#ifdef WITH_RESAMPLER
- for(int i = 0; i < MAX_NUM_CHANNELS; i++) {
- resampler[i].setup(kit.samplerate(), Conf::samplerate);
- }
- if(resampler[0].ratio() != 1) {
- setFrameSize(RESAMPLER_INPUT_BUFFER);
- }
+ for(int i = 0; i < MAX_NUM_CHANNELS; ++i)
+ {
+ resampler[i].setup(kit.samplerate(), Conf::samplerate);
+ }
+ if(resampler[0].ratio() != 1)
+ {
+ setFrameSize(RESAMPLER_INPUT_BUFFER);
+ }
#endif/*WITH_RESAMPLER*/
-
}
std::string float2str(float a)
{
- char buf[256];
- snprintf_nol(buf, sizeof(buf) - 1, "%f", a);
- return buf;
+ char buf[256];
+ snprintf_nol(buf, sizeof(buf) - 1, "%f", a);
+ return buf;
}
std::string bool2str(bool a)
{
- return a?"true":"false";
+ return a?"true":"false";
}
float str2float(std::string a)
{
- if(a == "") return 0.0;
- return atof_nol(a.c_str());
+ if(a == "")
+ {
+ return 0.0;
+ }
+
+ return atof_nol(a.c_str());
}
std::string DrumGizmo::configString()
{
- std::string mmapfile;
- if(ie->isMidiEngine()) {
- AudioInputEngineMidi *aim = (AudioInputEngineMidi*)ie;
- mmapfile = aim->midimapFile();
- }
-
- return
- "<config>\n"
- " <value name=\"drumkitfile\">" + kit.file() + "</value>\n"
- " <value name=\"midimapfile\">" + mmapfile + "</value>\n"
- " <value name=\"enable_velocity_modifier\">" +
- bool2str(Conf::enable_velocity_modifier) + "</value>\n"
- " <value name=\"velocity_modifier_falloff\">" +
- float2str(Conf::velocity_modifier_falloff) + "</value>\n"
- " <value name=\"velocity_modifier_weight\">" +
- float2str(Conf::velocity_modifier_weight) + "</value>\n"
- " <value name=\"enable_velocity_randomiser\">" +
- bool2str(Conf::enable_velocity_randomiser) + "</value>\n"
- " <value name=\"velocity_randomiser_weight\">" +
- float2str(Conf::velocity_randomiser_weight) + "</value>\n"
- "</config>";
+ std::string mmapfile;
+ if(ie->isMidiEngine())
+ {
+ AudioInputEngineMidi *aim = (AudioInputEngineMidi*)ie;
+ mmapfile = aim->midimapFile();
+ }
+
+ return
+ "<config>\n"
+ " <value name=\"drumkitfile\">" + kit.file() + "</value>\n"
+ " <value name=\"midimapfile\">" + mmapfile + "</value>\n"
+ " <value name=\"enable_velocity_modifier\">" +
+ bool2str(Conf::enable_velocity_modifier) + "</value>\n"
+ " <value name=\"velocity_modifier_falloff\">" +
+ float2str(Conf::velocity_modifier_falloff) + "</value>\n"
+ " <value name=\"velocity_modifier_weight\">" +
+ float2str(Conf::velocity_modifier_weight) + "</value>\n"
+ " <value name=\"enable_velocity_randomiser\">" +
+ bool2str(Conf::enable_velocity_randomiser) + "</value>\n"
+ " <value name=\"velocity_randomiser_weight\">" +
+ float2str(Conf::velocity_randomiser_weight) + "</value>\n"
+ "</config>";
}
-
bool DrumGizmo::setConfigString(std::string cfg)
{
- DEBUG(config, "Load config: %s\n", cfg.c_str());
-
- std::string dkf;
- ConfigParser p;
- if(p.parse(cfg)) {
- ERR(drumgizmo, "Config parse error.\n");
- return false;
- }
-
- if(p.value("enable_velocity_modifier") != "") {
- Conf::enable_velocity_modifier =
- p.value("enable_velocity_modifier") == "true";
- }
-
- if(p.value("velocity_modifier_falloff") != "") {
- Conf::velocity_modifier_falloff =
- str2float(p.value("velocity_modifier_falloff"));
- }
-
- if(p.value("velocity_modifier_weight") != "") {
- Conf::velocity_modifier_weight =
- str2float(p.value("velocity_modifier_weight"));
- }
-
- if(p.value("enable_velocity_randomiser") != "") {
- Conf::enable_velocity_randomiser =
- p.value("enable_velocity_randomiser") == "true";
- }
-
- if(p.value("velocity_randomiser_weight") != "") {
- Conf::velocity_randomiser_weight =
- str2float(p.value("velocity_randomiser_weight"));
- }
-
- if(p.value("enable_resampling") != "") {
- Conf::enable_resampling =
- p.value("enable_resampling") == "true";
- }
-
- std::string newkit = p.value("drumkitfile");
- if(newkit != "" && kit.file() != newkit) {
- /*
- if(!loadkit(p.values["drumkitfile"])) return false;
- init(true);
- */
- LoadDrumKitMessage *msg = new LoadDrumKitMessage();
- msg->drumkitfile = newkit;
- msghandler.sendMessage(MSGRCV_ENGINE, msg);
- }
-
- std::string newmidimap = p.value("midimapfile");
- if(newmidimap != "") {
- //midimapfile = newmidimap;
- LoadMidimapMessage *msg = new LoadMidimapMessage();
- msg->midimapfile = newmidimap;
- msghandler.sendMessage(MSGRCV_ENGINE, msg);
- }
-
- return true;
-}
-
-#ifdef TEST_DRUMGIZMO
-//deps: instrument.cc sample.cc channel.cc audiofile.cc drumkit.cc drumkitparser.cc configuration.cc saxparser.cc instrumentparser.cc path.cc
-//cflags: $(SNDFILE_CFLAGS) $(EXPAT_CFLAGS) -I../include -DSSE -msse -msse2 -msse3
-//libs: $(SNDFILE_LIBS) $(EXPAT_LIBS)
-#include "test.h"
-
-static float f(size_t x)
-{
- return x + 1.0;
+ DEBUG(config, "Load config: %s\n", cfg.c_str());
+
+ std::string dkf;
+ ConfigParser p;
+ if(p.parse(cfg))
+ {
+ ERR(drumgizmo, "Config parse error.\n");
+ return false;
+ }
+
+ if(p.value("enable_velocity_modifier") != "")
+ {
+ Conf::enable_velocity_modifier =
+ p.value("enable_velocity_modifier") == "true";
+ }
+
+ if(p.value("velocity_modifier_falloff") != "")
+ {
+ Conf::velocity_modifier_falloff =
+ str2float(p.value("velocity_modifier_falloff"));
+ }
+
+ if(p.value("velocity_modifier_weight") != "")
+ {
+ Conf::velocity_modifier_weight =
+ str2float(p.value("velocity_modifier_weight"));
+ }
+
+ if(p.value("enable_velocity_randomiser") != "")
+ {
+ Conf::enable_velocity_randomiser =
+ p.value("enable_velocity_randomiser") == "true";
+ }
+
+ if(p.value("velocity_randomiser_weight") != "")
+ {
+ Conf::velocity_randomiser_weight =
+ str2float(p.value("velocity_randomiser_weight"));
+ }
+
+ if(p.value("enable_resampling") != "")
+ {
+ Conf::enable_resampling =
+ p.value("enable_resampling") == "true";
+ }
+
+ std::string newkit = p.value("drumkitfile");
+ if(newkit != "" && kit.file() != newkit)
+ {
+ /*
+ if(!loadkit(p.values["drumkitfile"]))
+ {
+ return false;
+ }
+ init(true);
+ */
+ LoadDrumKitMessage *msg = new LoadDrumKitMessage();
+ msg->drumkitfile = newkit;
+ msghandler.sendMessage(MSGRCV_ENGINE, msg);
+ }
+
+ std::string newmidimap = p.value("midimapfile");
+ if(newmidimap != "")
+ {
+ //midimapfile = newmidimap;
+ LoadMidimapMessage *msg = new LoadMidimapMessage();
+ msg->midimapfile = newmidimap;
+ msghandler.sendMessage(MSGRCV_ENGINE, msg);
+ }
+
+ return true;
}
-
-class AITest : public AudioInputEngine {
-public:
- bool init(Instruments &instruments) { return true; }
- void setParm(std::string parm, std::string value) {}
- bool start() { return true; }
- void stop() {}
- void pre() {}
- event_t *run(size_t pos, size_t len, size_t *nevents)
- {
- event_t *e = NULL;
- *nevents = 0;
-
- if(pos <= offset && offset < pos + len) {
- e = new event_t;
-
- e->type = TYPE_ONSET;
- e->instrument = 0;
- e->velocity = 1.0;
- e->offset = offset - pos;
-
- *nevents = 1;
- }
- return e;
- }
- void post() {}
- size_t offset;
-};
-
-class AOTest : public AudioOutputEngine {
-public:
- bool init(Channels channels) { return true; }
- void setParm(std::string parm, std::string value) {}
- bool start() { return true; }
- void stop() {}
- void pre(size_t nsamples) {}
- void run(int ch, sample_t *samples, size_t nsamples)
- {
- }
- void post(size_t nsamples) {}
-};
-
-const char xml_kit[] =
- "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
- "<drumkit name=\"test\" description=\"\">\n"
- " <channels>\n"
- " <channel name=\"ch1\"/>\n"
- " </channels>\n"
- " <instruments>\n"
- " <instrument name=\"instr1\" file=\"instr1.xml\">\n"
- " <channelmap in=\"ch1\" out=\"ch1\"/>\n"
- " </instrument>\n"
- " </instruments>\n"
- "</drumkit>";
-
-const char xml_instr[] =
- "<?xml version='1.0' encoding='UTF-8'?>\n"
- "<instrument name=\"instr1\">\n"
- " <samples>\n"
- " <sample name=\"sample1\">\n"
- " <audiofile channel=\"ch1\" file=\"instr1.wav\"/>\n"
- " </sample>\n"
- " </samples>\n"
- " <velocities>\n"
- " <velocity lower=\"0\" upper=\"1.0\">\n"
- " <sampleref name=\"sample1\"/>\n"
- " </velocity>\n"
- " </velocities>\n"
- "</instrument>";
-
-#define PCM_SIZE 100
-
-void createTestKit()
-{
- FILE *fp;
- fp = fopen("/tmp/kit.xml", "w");
- fwrite(xml_kit, strlen(xml_kit), 1, fp);
- fclose(fp);
-
- fp = fopen("/tmp/instr1.xml", "w");
- fwrite(xml_instr, strlen(xml_instr), 1, fp);
- fclose(fp);
-
- SF_INFO sf_info;
- sf_info.format = SF_FORMAT_WAV | SF_FORMAT_FLOAT;
- sf_info.samplerate = 44100;
- sf_info.channels = 1;
-
- SNDFILE *fh = sf_open("/tmp/instr1.wav", SFM_WRITE, &sf_info);
- if(!fh) {
- printf("Error: %s\n", sf_strerror(fh));
- }
-
- size_t size = PCM_SIZE;
- sample_t samples[size];
-
- for(size_t i = 0; i < size; i++) {
- samples[i] = f(i);//(float)i / (float)size;
- }
-
- sf_write_float(fh, samples, size);
- sf_close(fh);
-}
-
-void deleteTestKit()
-{
- unlink("/tmp/kit.xml");
- unlink("/tmp/instr1.xml");
- unlink("/tmp/instr1.wav");
-}
-
-TEST_BEGIN;
-
-createTestKit();
-
-size_t size = PCM_SIZE;
-//for(size_t chunksz = 1; chunksz < size + 1; chunksz++) {
-size_t chunksz = 16; {
- sample_t samples[chunksz];
-
- for(size_t offset = 0; offset < chunksz + size + 1; offset++) {
- //size_t offset = 5; {
- for(size_t padding = 0; padding < chunksz + size + offset + 1; padding++) {
- //size_t padding = 2; {
- TEST_MSG("Values (offset %d, padding %d, chunksz %d)",
- offset, padding, chunksz);
-
- AOTest ao;
- AITest ai; ai.offset = offset;
- DrumGizmo dg(&ao, &ai);
- dg.loadkit("/tmp/kit.xml");
-
- size_t pos = 0;
- // sample_t samples[chunksz];
- while(pos < offset + size + padding) {
- dg.run(pos, samples, chunksz);
-
- float err = 0;
- size_t errcnt = 0;
- for(size_t i = 0; i < chunksz && pos < offset + size + padding; i++) {
- float val = 0.0;
- if(pos >= offset && pos < (offset + size)) val = f(pos - offset);
- float diff = samples[i] - val;
- /*
- if(diff != 0.0) {
- TEST_EQUAL_FLOAT(samples[i], val,
- "samples[%d] ?= val, pos %d", i, pos);
- }
- */
- if(diff != 0.0) errcnt++;
-
- err += fabs(diff);
- pos++;
- }
-
- TEST_EQUAL_FLOAT(err, 0.0,
- "Compare error (offset %d, padding %d, chunksz %d)",
- offset, padding, chunksz);
- TEST_EQUAL_INT(errcnt, 0,
- "Compare count (offset %d, padding %d, chunksz %d)",
- offset, padding, chunksz);
- }
-
- }
- }
-}
-
-deleteTestKit();
-
-TEST_END;
-
-#endif/*TEST_DRUMGIZMO*/