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-rw-r--r--lvz/audioeffectx.h104
-rw-r--r--lvz/lvzgui.h85
-rw-r--r--lvz/wrapper.cpp115
3 files changed, 304 insertions, 0 deletions
diff --git a/lvz/audioeffectx.h b/lvz/audioeffectx.h
new file mode 100644
index 0000000..f2f696b
--- /dev/null
+++ b/lvz/audioeffectx.h
@@ -0,0 +1,104 @@
+/* LVZ - A C++ interface for writing LV2 plugins.
+ * Copyright (C) 2008 Dave Robillard <http://drobilla.net>
+ *
+ * This library 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.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef __lvz_audioeffectx_h
+#define __lvz_audioeffectx_h
+
+#include <stdint.h>
+#include <string.h>
+
+typedef int16_t LvzInt16;
+typedef int32_t LvzInt32;
+typedef void* audioMasterCallback;
+
+class AEffGUIEditor;
+
+enum LvzPinFlags {
+ kLvzPinIsActive = 1<<0,
+ kLvzPinIsStereo = 1<<1
+};
+
+struct LvzPinProperties {
+ LvzPinProperties() : label(NULL), flags(0) {}
+ char* label;
+ int flags;
+
+};
+
+enum LvzEventTypes {
+ kLvzMidiType = 0
+};
+
+struct LvzEvent {
+ int type;
+};
+
+struct LvzMidiEvent : public LvzEvent {
+ char* midiData;
+ long deltaFrames;
+};
+
+struct LvzEvents {
+ long numEvents;
+ LvzEvent** events;
+};
+
+#define DECLARE_LVZ_DEPRECATED(x) x
+
+class AudioEffect {
+};
+
+class AudioEffectX : public AudioEffect {
+public:
+ AudioEffectX(audioMasterCallback audioMaster, int progs, int params)
+ : curProgram(0)
+ , numPrograms(progs)
+ , numInputs(0)
+ , numOutputs(0)
+ {
+ }
+
+ float getSampleRate() { return sampleRate; }
+ uint32_t getNumInputs() { return numInputs; }
+ uint32_t getNumOutputs() { return numOutputs; }
+ void setNumInputs(uint32_t num) { numInputs = num; }
+ void setNumOutputs(uint32_t num) { numOutputs = num;}
+ void setUniqueID(const char* id) {}
+ void setSampleRate(float rate) { sampleRate = rate; }
+ void canMono() {}
+ void wantEvents() {}
+ void canProcessReplacing() {}
+ void isSynth() {}
+ void suspend() {}
+ void setBlockSize(uint32_t blockSize) {}
+ void setParameter(uint32_t index, float value) {}
+
+ void process(float **inputs, float **outputs, uint32_t nframes) {}
+
+protected:
+ uint32_t curProgram;
+ uint32_t numPrograms;
+ uint32_t numInputs;
+ uint32_t numOutputs;
+ float sampleRate;
+
+ AEffGUIEditor* editor;
+};
+
+#endif // __lvz_audioeffectx_h
+
diff --git a/lvz/lvzgui.h b/lvz/lvzgui.h
new file mode 100644
index 0000000..c28c2a6
--- /dev/null
+++ b/lvz/lvzgui.h
@@ -0,0 +1,85 @@
+/* LVZ - A C++ interface for writing LV2 plugins.
+ * Copyright (C) 2008 Dave Robillard <http://drobilla.net>
+ *
+ * This library 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.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef __lvz_gui_h
+#define __lvz_gui_h
+
+#include "audioeffectx.h"
+
+static const uint32_t kBlackCColor = 0x00000000;
+
+
+class CRect {
+public:
+ CRect(long x=0, long y=0, long w=0, long h=0)
+ : left(x), top(y), right(x+w), bottom(y+h)
+ {}
+ void offset(long x, long y) {}
+ long left, top, right, bottom;
+};
+
+class CControl {
+public:
+ CControl(CRect& size) {}
+ void setDirty(bool dirty) {}
+ void setValue(float value) {}
+};
+
+class CPoint {
+public:
+ CPoint(long a_x, long a_y) : x(a_x), y(a_y) {}
+ long x, y;
+};
+
+class CFrame {
+public:
+ CFrame(CRect& size, void* ptr, void* editor) {}
+ void addView(CControl* control) {}
+};
+
+class CDrawContext {
+public:
+ void setFillColor(uint32_t color) {}
+ void fillRect(CRect& rect);
+};
+
+class CBitmap {
+public:
+ CBitmap(long something) {}
+
+ long getWidth() { return 0; }
+ long getHeight() { return 0; }
+
+ void draw(CDrawContext* context, CRect& rect) {}
+};
+
+class AEffGUIEditor {
+public:
+ AEffGUIEditor(AudioEffect* eff) : effect(eff), rect(0, 0, 0, 0) {}
+ void open(void* ptr) {}
+
+ void idle() {}
+
+protected:
+ AudioEffect* effect;
+ CRect rect;
+ CFrame* frame;
+};
+
+#endif // __lvz_gui_h
+
diff --git a/lvz/wrapper.cpp b/lvz/wrapper.cpp
new file mode 100644
index 0000000..5916b13
--- /dev/null
+++ b/lvz/wrapper.cpp
@@ -0,0 +1,115 @@
+/* LVZ - A C++ interface for writing LV2 plugins.
+ * Copyright (C) 2008 Dave Robillard <http://drobilla.net>
+ *
+ * This library 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.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef PLUGIN_URI
+#error "This file requires PLUGIN_URI to be defined"
+#endif
+
+#ifndef PLUGIN_CLASS
+#error "This file requires PLUGIN_CLASS to be defined"
+#endif
+
+#include <stdlib.h>
+#include "audioeffectx.h"
+#include "lv2.h"
+#include PLUGIN_HEADER
+
+extern "C" {
+
+/* Plugin */
+
+typedef struct {
+ PLUGIN_CLASS* effect;
+ float** inputs;
+ float** outputs;
+} MDAPlugin;
+
+
+static void mda_cleanup(LV2_Handle instance)
+{
+ free(instance);
+}
+
+
+static void mda_connect_port(LV2_Handle instance, uint32_t port, void* data)
+{
+ MDAPlugin* plugin = (MDAPlugin*)instance;
+ plugin->effect->setParameter(port, *(float*)data);
+}
+
+
+static LV2_Handle
+mda_instantiate(const LV2_Descriptor* descriptor,
+ double rate,
+ const char* bundle_path,
+ const LV2_Feature*const* features)
+{
+ PLUGIN_CLASS* effect = new PLUGIN_CLASS(NULL);
+ effect->setSampleRate(rate);
+
+ MDAPlugin* plugin = (MDAPlugin*)malloc(sizeof(MDAPlugin));
+ plugin->effect = effect;
+ plugin->inputs = (float**)malloc(sizeof(float*) * effect->getNumInputs());
+ plugin->outputs = (float**)malloc(sizeof(float*) * effect->getNumOutputs());
+
+ return (LV2_Handle)plugin;
+}
+
+
+static void
+mda_run(LV2_Handle instance, uint32_t sample_count)
+{
+ MDAPlugin* plugin = (MDAPlugin*)instance;
+ plugin->effect->process(plugin->inputs, plugin->outputs, sample_count);
+}
+
+/* Library */
+
+static LV2_Descriptor *mda_descriptor = NULL;
+
+static void
+init_descriptor()
+{
+ mda_descriptor = (LV2_Descriptor*)malloc(sizeof(LV2_Descriptor));
+
+ mda_descriptor->URI = PLUGIN_URI;
+ mda_descriptor->activate = NULL;
+ mda_descriptor->cleanup = mda_cleanup;
+ mda_descriptor->connect_port = mda_connect_port;
+ mda_descriptor->deactivate = NULL;
+ mda_descriptor->instantiate = mda_instantiate;
+ mda_descriptor->run = mda_run;
+}
+
+
+LV2_SYMBOL_EXPORT
+const LV2_Descriptor*
+lv2_descriptor(uint32_t index)
+{
+ if (!mda_descriptor)
+ init_descriptor();
+
+ switch (index) {
+ case 0:
+ return mda_descriptor;
+ default:
+ return NULL;
+ }
+}
+
+} // extern "C"
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