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-rw-r--r--src/drumgizmo.cc54
-rw-r--r--src/drumkitparser.cc5
-rw-r--r--src/drumkitparser.h1
-rw-r--r--src/events.h14
-rw-r--r--src/instrument.cc10
-rw-r--r--src/instrument.h4
-rw-r--r--src/instrumentparser.cc2
7 files changed, 74 insertions, 16 deletions
diff --git a/src/drumgizmo.cc b/src/drumgizmo.cc
index c30147f..77d9b89 100644
--- a/src/drumgizmo.cc
+++ b/src/drumgizmo.cc
@@ -268,6 +268,29 @@ bool DrumGizmo::run(size_t pos, sample_t *samples, size_t nsamples)
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) {
@@ -283,7 +306,7 @@ bool DrumGizmo::run(size_t pos, sample_t *samples, size_t nsamples)
//printf("Missing AudioFile.\n");
} else {
DEBUG(drumgizmo, "Adding event %d.\n", evs[e].offset);
- Event *evt = new EventSample(ch.num, 1.0, af);
+ Event *evt = new EventSample(ch.num, 1.0, af, i->group(), i);
evt->offset = evs[e].offset + pos;
activeevents[ch.num].push_back(evt);
}
@@ -361,7 +384,7 @@ void DrumGizmo::getSamples(int ch, int pos, sample_t *s, size_t sz)
{
EventSample *evt = (EventSample *)event;
AudioFile *af = evt->file;
- //af->load(); // Make sure it is loaded.
+
if(!af->isLoaded() || s == NULL) {
removeevent = true;
break;
@@ -372,17 +395,26 @@ void DrumGizmo::getSamples(int ch, int pos, sample_t *s, size_t sz)
size_t end = sz;
if(evt->t + end - n > af->size) end = af->size - evt->t + n;
+ if(evt->rampdown == NO_RAMPDOWN) {
#ifdef SSE
- size_t optend = ((end - n) / N) * N + n;
- for(; n < optend; n += N) {
- *(vNsf*)&(s[n]) += *(vNsf*)&(af->data[evt->t]);
- evt->t += N;
- }
+ size_t optend = ((end - n) / N) * N + n;
+ for(; n < optend; n += N) {
+ *(vNsf*)&(s[n]) += *(vNsf*)&(af->data[evt->t]);
+ evt->t += N;
+ }
#endif
- //printf("n: %d end: %d, diff: %d", n, end, end - n); fflush(stdout);
- for(; n < end; n++) {
- s[n] += af->data[evt->t];
- evt->t++;
+ for(; n < end; n++) {
+ s[n] += af->data[evt->t];
+ evt->t++;
+ }
+ } else { // Ramp down in progress.
+ for(; n < end && evt->rampdown; n++) {
+ float scale = (float)evt->rampdown/(float)evt->ramp_start;
+ s[n] += af->data[evt->t] * scale;
+ evt->t++;
+ evt->rampdown--;
+ }
+
}
if(evt->t > af->size) removeevent = true;
diff --git a/src/drumkitparser.cc b/src/drumkitparser.cc
index 5d7ae92..99dc06e 100644
--- a/src/drumkitparser.cc
+++ b/src/drumkitparser.cc
@@ -51,7 +51,7 @@ DrumKitParser::~DrumKitParser()
}
void DrumKitParser::startTag(std::string name,
- std::map< std::string, std::string> attr)
+ std::map<std::string, std::string> attr)
{
if(name == "drumkit") {
if(attr.find("name") != attr.end())
@@ -88,6 +88,8 @@ void DrumKitParser::startTag(std::string name,
instr_name = attr["name"];
instr_file = attr["file"];
+ if(attr.find("group") != attr.end()) instr_group = attr["group"];
+ else instr_group = "";
}
if(name == "channelmap") {
@@ -109,6 +111,7 @@ void DrumKitParser::endTag(std::string name)
{
if(name == "instrument") {
Instrument *i = new Instrument();
+ i->setGroup(instr_group);
// Instrument &i = kit.instruments[kit.instruments.size() - 1];
InstrumentParser parser(path + "/" + instr_file, *i);
parser.parse();
diff --git a/src/drumkitparser.h b/src/drumkitparser.h
index f02eece..907b09d 100644
--- a/src/drumkitparser.h
+++ b/src/drumkitparser.h
@@ -51,6 +51,7 @@ private:
std::map<std::string, std::string> channelmap;
std::string instr_file;
std::string instr_name;
+ std::string instr_group;
};
#endif/*__DRUMGIZMO_DRUMKITPARSER_H__*/
diff --git a/src/events.h b/src/events.h
index a4adcee..fa0147b 100644
--- a/src/events.h
+++ b/src/events.h
@@ -52,23 +52,31 @@ public:
timepos_t offset;
};
+#define NO_RAMPDOWN -1
class EventSample : public Event {
public:
- EventSample(channel_t c, float g, AudioFile *af)
+ EventSample(channel_t c, float g, AudioFile *af, std::string grp,
+ void *instr)
{
channel = c;
gain = g;
t = 0;
file = af;
+ group = grp;
+ instrument = instr;
+ rampdown = NO_RAMPDOWN;
+ ramp_start = 0;
}
Event::type_t type() { return Event::sample; }
float gain;
-
unsigned int t;
-
AudioFile *file;
+ std::string group;
+ void *instrument;
+ int rampdown;
+ int ramp_start;
};
class EventQueue {
diff --git a/src/instrument.cc b/src/instrument.cc
index 22b6a90..7232431 100644
--- a/src/instrument.cc
+++ b/src/instrument.cc
@@ -109,6 +109,16 @@ std::string Instrument::description()
return _description;
}
+std::string Instrument::group()
+{
+ return _group;
+}
+
+void Instrument::setGroup(std::string g)
+{
+ _group = g;
+}
+
#ifdef TEST_INSTRUMENT
//deps: channel.cc sample.cc audiofile.cc
//cflags: $(SNDFILE_CFLAGS)
diff --git a/src/instrument.h b/src/instrument.h
index b146cb2..a302412 100644
--- a/src/instrument.h
+++ b/src/instrument.h
@@ -45,6 +45,9 @@ public:
std::string name();
std::string description();
+ std::string group();
+
+ void setGroup(std::string group);
// std::map<std::string, std::string> channelmap;
@@ -55,6 +58,7 @@ public:
private:
void *magic;
+ std::string _group;
std::string _name;
std::string _description;
RangeMap<level_t, Sample*> samples;
diff --git a/src/instrumentparser.cc b/src/instrumentparser.cc
index fdeb934..1445cbe 100644
--- a/src/instrumentparser.cc
+++ b/src/instrumentparser.cc
@@ -47,7 +47,7 @@ InstrumentParser::~InstrumentParser()
}
void InstrumentParser::startTag(std::string name,
- std::map< std::string, std::string> attr)
+ std::map<std::string, std::string> attr)
{
if(name == "instrument") {
if(attr.find("name") != attr.end())
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 19:13:42 +0000