Chris@37: /*
Chris@37:     jVamp
Chris@37: 
Chris@37:     A Java host interface for Vamp audio analysis plugins
Chris@37: 
Chris@37:     Centre for Digital Music, Queen Mary, University of London.
Chris@37:     Copyright 2012 Chris Cannam and QMUL.
Chris@37:   
Chris@37:     Permission is hereby granted, free of charge, to any person
Chris@37:     obtaining a copy of this software and associated documentation
Chris@37:     files (the "Software"), to deal in the Software without
Chris@37:     restriction, including without limitation the rights to use, copy,
Chris@37:     modify, merge, publish, distribute, sublicense, and/or sell copies
Chris@37:     of the Software, and to permit persons to whom the Software is
Chris@37:     furnished to do so, subject to the following conditions:
Chris@37: 
Chris@37:     The above copyright notice and this permission notice shall be
Chris@37:     included in all copies or substantial portions of the Software.
Chris@37: 
Chris@37:     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
Chris@37:     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
Chris@37:     MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
Chris@37:     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
Chris@37:     ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
Chris@37:     CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
Chris@37:     WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Chris@37: 
Chris@37:     Except as contained in this notice, the names of the Centre for
Chris@37:     Digital Music; Queen Mary, University of London; and Chris Cannam
Chris@37:     shall not be used in advertising or otherwise to promote the sale,
Chris@37:     use or other dealings in this Software without prior written
Chris@37:     authorization.
Chris@37: */
Chris@37: 
Chris@0: #include "org_vamp_plugins_PluginLoader.h"
Chris@0: 
Chris@0: #include <vamp-hostsdk/PluginLoader.h>
Chris@45: #include <vamp-hostsdk/PluginHostAdapter.h>
Chris@0: 
Chris@0: #include "handle.h"
Chris@0: 
Chris@0: using Vamp::Plugin;
Chris@0: using Vamp::HostExt::PluginLoader;
Chris@0: 
Chris@30: JNIEXPORT void JNICALL
Chris@0: Java_org_vamp_1plugins_PluginLoader_initialise(JNIEnv *env, jobject obj)
Chris@0: {
Chris@0:     PluginLoader *inst = PluginLoader::getInstance();
Chris@0:     setHandle(env, obj, inst);
Chris@0: }
Chris@0: 
Chris@30: JNIEXPORT jobjectArray JNICALL
Chris@23: Java_org_vamp_1plugins_PluginLoader_listPlugins(JNIEnv *env, jobject obj)
Chris@23: {
Chris@23:     PluginLoader *inst = getHandle<PluginLoader>(env, obj);
Chris@23:     PluginLoader::PluginKeyList plugins = inst->listPlugins();
Chris@23:     jobjectArray result = env->NewObjectArray
Chris@23: 	(plugins.size(), env->FindClass("java/lang/String"), 0);
chris@46:     for (int i = 0; i < (int)plugins.size(); ++i) {
Chris@23: 	env->SetObjectArrayElement(result, i,
Chris@23: 				   env->NewStringUTF(plugins[i].c_str()));
Chris@23:     }
Chris@23:     return result;
Chris@23: }    
Chris@23: 
Chris@30: JNIEXPORT jlong JNICALL
Chris@0: Java_org_vamp_1plugins_PluginLoader_loadPluginNative(JNIEnv *env, jobject obj,
Chris@29: 						     jstring key, jfloat rate,
Chris@29: 						     jint flags)
Chris@0: {
Chris@0:     PluginLoader *inst = getHandle<PluginLoader>(env, obj);
Chris@0:     const char *kstr = env->GetStringUTFChars(key, 0);
Chris@29:     Plugin *p = inst->loadPlugin(kstr, rate, flags);
Chris@0:     env->ReleaseStringUTFChars(key, kstr);
Chris@0:     return (jlong)p;
Chris@0: }
Chris@0: 
Chris@30: JNIEXPORT jobjectArray JNICALL
Chris@24: Java_org_vamp_1plugins_PluginLoader_getPluginCategory(JNIEnv *env, jobject obj,
Chris@24: 						      jstring key)
Chris@24: {
Chris@24:     PluginLoader *inst = getHandle<PluginLoader>(env, obj);
Chris@24:     const char *kstr = env->GetStringUTFChars(key, 0);
Chris@24:     PluginLoader::PluginCategoryHierarchy cat = inst->getPluginCategory(kstr);
Chris@24:     jobjectArray result = env->NewObjectArray
Chris@24: 	(cat.size(), env->FindClass("java/lang/String"), 0);
chris@46:     for (int i = 0; i < (int)cat.size(); ++i) {
Chris@24: 	env->SetObjectArrayElement(result, i,
Chris@24: 				   env->NewStringUTF(cat[i].c_str()));
Chris@24:     }
Chris@24:     return result;
Chris@24: }    
Chris@0: 
Chris@45: JNIEXPORT jobjectArray JNICALL
Chris@45: Java_org_vamp_1plugins_PluginLoader_getPluginPath(JNIEnv *env, jobject obj)
Chris@45: {
Chris@45:     std::vector<std::string> path = Vamp::PluginHostAdapter::getPluginPath();
Chris@45:     jobjectArray result = env->NewObjectArray
Chris@45: 	(path.size(), env->FindClass("java/lang/String"), 0);
chris@46:     for (int i = 0; i < (int)path.size(); ++i) {
Chris@45: 	env->SetObjectArrayElement(result, i,
Chris@45: 				   env->NewStringUTF(path[i].c_str()));
Chris@45:     }
Chris@45:     return result;
Chris@45: }    
Chris@23: