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-rw-r--r--lvz/audioeffectx.h48
-rw-r--r--lvz/gendata.cpp126
-rw-r--r--lvz/wrapper.cpp24
3 files changed, 174 insertions, 24 deletions
diff --git a/lvz/audioeffectx.h b/lvz/audioeffectx.h
index f2f696b..07a6302 100644
--- a/lvz/audioeffectx.h
+++ b/lvz/audioeffectx.h
@@ -66,38 +66,48 @@ class AudioEffect {
class AudioEffectX : public AudioEffect {
public:
AudioEffectX(audioMasterCallback audioMaster, int progs, int params)
- : curProgram(0)
+ : uniqueID("NIL")
+ , URI("NIL")
+ , curProgram(0)
, numPrograms(progs)
, numInputs(0)
, numOutputs(0)
+ , sampleRate(44100)
{
}
- 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; }
+ const char* getURI() { return URI; }
+ const char* getUniqueID() { return uniqueID; }
+ float getSampleRate() { return sampleRate; }
+ uint32_t getNumInputs() { return numInputs; }
+ uint32_t getNumOutputs() { return numOutputs; }
+
+ virtual bool getProductString(char* text) = 0;
+
void canMono() {}
- void wantEvents() {}
void canProcessReplacing() {}
void isSynth() {}
- void suspend() {}
+ void process(float **inputs, float **outputs, uint32_t nframes) {}
void setBlockSize(uint32_t blockSize) {}
+ void setNumInputs(uint32_t num) { numInputs = num; }
+ void setNumOutputs(uint32_t num) { numOutputs = num;}
void setParameter(uint32_t index, float value) {}
-
- void process(float **inputs, float **outputs, uint32_t nframes) {}
+ void setSampleRate(float rate) { sampleRate = rate; }
+ void setUniqueID(const char* id) { uniqueID = id; }
+ void setURI(const char* uri) { URI = uri; }
+ void suspend() {}
+ void wantEvents() {}
protected:
- uint32_t curProgram;
- uint32_t numPrograms;
- uint32_t numInputs;
- uint32_t numOutputs;
- float sampleRate;
-
- AEffGUIEditor* editor;
+ const char* uniqueID;
+ const char* URI;
+ uint32_t curProgram;
+ uint32_t numPrograms;
+ uint32_t numInputs;
+ uint32_t numOutputs;
+ float sampleRate;
+
+ AEffGUIEditor* editor;
};
#endif // __lvz_audioeffectx_h
diff --git a/lvz/gendata.cpp b/lvz/gendata.cpp
new file mode 100644
index 0000000..f1337a1
--- /dev/null
+++ b/lvz/gendata.cpp
@@ -0,0 +1,126 @@
+/* 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.
+ */
+
+#include <iostream>
+#include <fstream>
+#include <dlfcn.h>
+#include "audioeffectx.h"
+
+using namespace std;
+
+typedef AudioEffectX* (*new_effect_func)();
+typedef AudioEffectX* (*plugin_uri_func)();
+
+// VST is so incredibly awful. Just.. wow.
+#define MAX_NAME_LENGTH 1024
+char name[MAX_NAME_LENGTH];
+
+#define NS_LV2CORE "http://lv2plug.in/ns/lv2core#"
+
+void
+write_data(AudioEffectX* effect, const char* lib_file_name)
+{
+ string data_file_name = lib_file_name;
+ data_file_name = data_file_name.substr(0, data_file_name.find_last_of("."));
+ data_file_name += ".ttl";
+
+ //ostream& os = cout;
+ fstream os(data_file_name.c_str(), ios::out);
+ effect->getProductString(name);
+
+ os << "@prefix : <http://lv2plug.in/ns/lv2core#> ." << endl;
+ os << "@prefix doap: <http://usefulinc.com/ns/doap#> ." << endl << endl;
+ os << "<" << effect->getURI() << ">" << endl;
+ os << "\t:symbol \"" << effect->getUniqueID() << "\" ;" << endl;
+ os << "\tdoap:name \"" << name << "\"";
+
+ if (effect->getNumInputs() + effect->getNumOutputs() == 0)
+ os << " ." << endl;
+ else
+ os << " ;" << endl;
+
+ for (uint32_t i = 0; i < effect->getNumInputs(); ++i) {
+ if (i == 0)
+ os << "\t:port [" << endl;
+
+ os << "\t\ta :InputPort, :AudioPort ;" << endl;
+ os << "\t\t:index" << " " << i << " ;" << endl;
+
+ if (i == effect->getNumInputs() - 1) {
+ os << "\t] " << (effect->getNumOutputs() ? ";" : ".") << endl;
+ } else {
+ os << "\t] , [" << endl;
+ }
+ }
+
+ for (uint32_t i = 0; i < effect->getNumOutputs(); ++i) {
+ if (i == 0)
+ os << "\t:port [" << endl;
+
+ os << "\t\ta :OutputPort, :AudioPort ;" << endl;
+ os << "\t\t:index" << " " << effect->getNumInputs() + i << " ;" << endl;
+
+ if (i == effect->getNumInputs() - 1) {
+ os << "\t] ." << endl;
+ } else {
+ os << "\t] , [" << endl;
+ }
+ }
+
+ os.close();
+ cout << "Wrote " << data_file_name << endl;
+}
+
+
+int
+main(int argc, char** argv)
+{
+ if (argc == 0) {
+ cout << "Usage: gendata [PLUGINLIB1] [PLUGINLIB2]..." << endl;
+ cout << "Each argument is a path to a LVZ plugin library." << endl;
+ cout << "For each library an LV2 data file with the same name" << endl;
+ cout << "will be output containing the data for that plugin." << endl;
+ return 1;
+ }
+
+ new_effect_func constructor = NULL;
+ AudioEffectX* effect = NULL;
+
+ for (int i = 1; i < argc; ++i) {
+ void* handle = dlopen(argv[i], RTLD_NOW);
+ if (handle == NULL) {
+ cerr << "ERROR: " << argv[i] << " is not a shared library, ignoring" << endl;
+ continue;
+ }
+
+ constructor = (new_effect_func)dlsym(handle, "lvz_new_audioeffectx");
+ if (constructor == NULL) {
+ dlclose(handle);
+ cerr << "ERROR: " << argv[i] << " is not an LVZ plugin library, ignoring" << endl;
+ continue;
+ }
+
+ effect = constructor();
+ write_data(effect, argv[i]);
+
+ dlclose(handle);
+ }
+
+ return 0;
+}
+
diff --git a/lvz/wrapper.cpp b/lvz/wrapper.cpp
index 5916b13..14f73a9 100644
--- a/lvz/wrapper.cpp
+++ b/lvz/wrapper.cpp
@@ -16,13 +16,15 @@
* 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
+#ifndef PLUGIN_URI_PREFIX
+#error "This file requires PLUGIN_URI_PREFIX to be defined"
+#endif
+#ifndef PLUGIN_URI_SUFFIX
+#error "This file requires PLUGIN_URI_SUFFIX to be defined"
+#endif
#include <stdlib.h>
#include "audioeffectx.h"
@@ -60,6 +62,7 @@ mda_instantiate(const LV2_Descriptor* descriptor,
const LV2_Feature*const* features)
{
PLUGIN_CLASS* effect = new PLUGIN_CLASS(NULL);
+ effect->setURI(PLUGIN_URI_PREFIX PLUGIN_URI_SUFFIX);
effect->setSampleRate(rate);
MDAPlugin* plugin = (MDAPlugin*)malloc(sizeof(MDAPlugin));
@@ -87,7 +90,7 @@ init_descriptor()
{
mda_descriptor = (LV2_Descriptor*)malloc(sizeof(LV2_Descriptor));
- mda_descriptor->URI = PLUGIN_URI;
+ mda_descriptor->URI = PLUGIN_URI_PREFIX PLUGIN_URI_SUFFIX;
mda_descriptor->activate = NULL;
mda_descriptor->cleanup = mda_cleanup;
mda_descriptor->connect_port = mda_connect_port;
@@ -112,4 +115,15 @@ lv2_descriptor(uint32_t index)
}
}
+
+LV2_SYMBOL_EXPORT
+AudioEffectX*
+lvz_new_audioeffectx()
+{
+ PLUGIN_CLASS* effect = new PLUGIN_CLASS(NULL);
+ effect->setURI(PLUGIN_URI_PREFIX PLUGIN_URI_SUFFIX);
+ return effect;
+}
+
+
} // extern "C"
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-22 06:21:41 +0000