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-rw-r--r--drumgizmo/input/jackmidi.cc145
-rw-r--r--drumgizmo/input/jackmidi.h67
-rw-r--r--drumgizmo/input/midifile.cc4
-rw-r--r--drumgizmo/input/midifile.h6
4 files changed, 217 insertions, 5 deletions
diff --git a/drumgizmo/input/jackmidi.cc b/drumgizmo/input/jackmidi.cc
new file mode 100644
index 0000000..2d399c2
--- /dev/null
+++ b/drumgizmo/input/jackmidi.cc
@@ -0,0 +1,145 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ * jackmidi.cc
+ *
+ * Mo 25. Jan 11:26:06 CET 2016
+ * Copyright 2016 Christian Glöckner
+ * cgloeckner@freenet.de
+ ****************************************************************************/
+
+/*
+ * This file is part of DrumGizmo.
+ *
+ * DrumGizmo is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * DrumGizmo 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with DrumGizmo; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+#include <iostream>
+#include <cassert>
+
+#include "cpp11fix.h" // required for c++11
+#include "jackmidi.h"
+
+int const NOTE_ON = 0x90;
+
+JackMidiInputEngine::JackMidiInputEngine(JackClient& client)
+ : AudioInputEngine{}
+ , JackProcess{}
+ , client{client}
+ , port{nullptr}
+ , midimap{}
+ , midi_mapper{}
+ , list{nullptr}
+ , pos{0u} {
+ client.add(*this);
+}
+
+JackMidiInputEngine::~JackMidiInputEngine() {
+ client.remove(*this);
+}
+
+bool JackMidiInputEngine::isMidiEngine() {
+ return true;
+}
+
+bool JackMidiInputEngine::init(Instruments& instruments) {
+ if (midimap == "") {
+ std::cerr << "[JackMidiInputEngine] Missing midimap filename\n";
+ return false;
+ }
+ MidiMapParser p{midimap};
+ if (p.parse()) {
+ std::cerr << "[JackmidiInputEngine] Failed to parse midimap '"
+ << midimap << "'\n";
+ return false;
+ }
+ midi_mapper.midimap = p.midimap;
+ for (auto i = 0u; i < instruments.size(); ++i) {
+ auto name = instruments[i]->name();
+ midi_mapper.instrmap[name] = i;
+ }
+ port = std::make_unique<JackPort>(client, "drumgizmo_midiin",
+ JACK_DEFAULT_MIDI_TYPE, JackPortIsInput);
+ return true;
+}
+
+void JackMidiInputEngine::setParm(std::string parm, std::string value) {
+ if (parm == "midimap") {
+ // apply midimap filename
+ midimap = value;
+
+ } else {
+ std::cerr << "[JackMidiInputEngine] Unsupported parameter '"
+ << parm << "'\n";
+ }
+}
+
+bool JackMidiInputEngine::start() {
+ client.activate();
+ return true;
+}
+
+void JackMidiInputEngine::stop() {
+}
+
+void JackMidiInputEngine::pre() {
+}
+
+event_t* JackMidiInputEngine::run(size_t pos, size_t len, size_t* nevents) {
+ *nevents = listsize;
+ event_t* l = list;
+ printf("Owning raw pointer at drumgizmo/input/jackmidiinput.cc - GET RID OF THEM!\n");
+ list = (event_t *)malloc(sizeof(event_t) * 1000);
+ listsize = 0;
+ return l;
+}
+
+void JackMidiInputEngine::post() {
+}
+
+void JackMidiInputEngine::process(jack_nframes_t num_frames) {
+ assert(port != nullptr);
+ void* buffer = port->getBuffer(num_frames);
+ jack_nframes_t num_events = jack_midi_get_event_count(buffer);
+
+ for(jack_nframes_t i = 0; i < num_events; ++i) {
+ jack_midi_event_t event;
+ jack_midi_event_get(&event, buffer, i);
+ if(event.size != 3) {
+ continue;
+ }
+ if((event.buffer[0] & NOTE_ON) != NOTE_ON) {
+ continue;
+ }
+ int key = event.buffer[1];
+ int velocity = event.buffer[2];
+ printf("Event key:%d vel:%d\n", key, velocity);
+ int k = midi_mapper.lookup(key);
+ if(k != -1 && velocity) {
+ list[listsize].type = TYPE_ONSET;
+ list[listsize].instrument = k;
+ list[listsize].velocity = velocity / 127.0;
+ list[listsize].offset = event.time;
+ ++listsize;
+ }
+ }
+ jack_midi_clear_buffer(buffer);
+ pos += num_frames;
+}
+
+/*
+ DrumKit* kit;
+ size_t pos;
+ EventQueue *eventqueue;
+*/
+
diff --git a/drumgizmo/input/jackmidi.h b/drumgizmo/input/jackmidi.h
new file mode 100644
index 0000000..3c64f2d
--- /dev/null
+++ b/drumgizmo/input/jackmidi.h
@@ -0,0 +1,67 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ * jackmidi.h
+ *
+ * Mo 25. Jan 11:26:06 CET 2016
+ * Copyright 2016 Christian Glöckner
+ * cgloeckner@freenet.de
+ ****************************************************************************/
+
+/*
+ * This file is part of DrumGizmo.
+ *
+ * DrumGizmo is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * DrumGizmo 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with DrumGizmo; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+#pragma once
+#include <memory>
+#include <jack/jack.h>
+#include <jack/midiport.h>
+
+#include "audioinputengine.h"
+#include "midimapper.h"
+#include "midimapparser.h"
+#include "../jackclient.h"
+
+class JackMidiInputEngine
+ : public AudioInputEngine
+ , public JackProcess {
+ public:
+ JackMidiInputEngine(JackClient& client);
+ ~JackMidiInputEngine();
+
+ // based on AudioInputEngine
+ bool isMidiEngine() override;
+ bool init(Instruments& instruments) override;
+ void setParm(std::string parm, std::string value) override;
+ bool start() override;
+ void stop() override;
+ void pre() override;
+ event_t* run(size_t pos, size_t len, size_t* nevents) override;
+ void post() override;
+
+ // based on JackProcess
+ void process(jack_nframes_t num_frames) override;
+
+ private:
+ JackClient& client;
+ std::unique_ptr<JackPort> port;
+
+ std::string midimap;
+ MidiMapper midi_mapper;
+ std::size_t pos;
+
+ event_t* list;
+ size_t listsize;
+};
diff --git a/drumgizmo/input/midifile.cc b/drumgizmo/input/midifile.cc
index 323a198..c9aeaf8 100644
--- a/drumgizmo/input/midifile.cc
+++ b/drumgizmo/input/midifile.cc
@@ -137,7 +137,7 @@ event_t* MidifileInputEngine::run(size_t pos, size_t len, size_t *nevents) {
current_event->midi_buffer[2] > 0) {
if(evs == nullptr) {
- printf("Yet another raw owning pointer was generated by drumgizmo/input/midifile.cc - GET RID OF THEM!\n");
+ printf("Owning raw pointer at drumgizmo/input/midifile.cc - GET RID OF THEM!\n");
evs = (event_t *)malloc(sizeof(event_t) * 1000);
}
@@ -171,7 +171,7 @@ event_t* MidifileInputEngine::run(size_t pos, size_t len, size_t *nevents) {
offset += current_max_time;
} else {
if(evs == nullptr) {
- printf("Yet another raw owning pointer was generated by drumgizmo/input/midifile.cc - GET RID OF THEM!\n");
+ printf("Owning raw pointer at drumgizmo/input/midifile.cc - GET RID OF THEM!\n");
evs = (event_t *)malloc(sizeof(event_t) * 1000);
}
evs[num_events].type = TYPE_STOP;
diff --git a/drumgizmo/input/midifile.h b/drumgizmo/input/midifile.h
index 85abfc9..6749339 100644
--- a/drumgizmo/input/midifile.h
+++ b/drumgizmo/input/midifile.h
@@ -30,9 +30,9 @@
#include <event.h>
#include <smf.h>
-#include <audioinputengine.h>
-#include <midimapper.h>
-#include <midimapparser.h>
+#include "audioinputengine.h"
+#include "midimapper.h"
+#include "midimapparser.h"
class MidifileInputEngine
: public AudioInputEngine {
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 00:44:27 +0000