00001 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ 00002 00003 /* 00004 Vamp 00005 00006 An API for audio analysis and feature extraction plugins. 00007 00008 Centre for Digital Music, Queen Mary, University of London. 00009 Copyright 2006 Chris Cannam. 00010 00011 Permission is hereby granted, free of charge, to any person 00012 obtaining a copy of this software and associated documentation 00013 files (the "Software"), to deal in the Software without 00014 restriction, including without limitation the rights to use, copy, 00015 modify, merge, publish, distribute, sublicense, and/or sell copies 00016 of the Software, and to permit persons to whom the Software is 00017 furnished to do so, subject to the following conditions: 00018 00019 The above copyright notice and this permission notice shall be 00020 included in all copies or substantial portions of the Software. 00021 00022 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 00023 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 00024 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 00025 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR 00026 ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF 00027 CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 00028 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 00029 00030 Except as contained in this notice, the names of the Centre for 00031 Digital Music; Queen Mary, University of London; and Chris Cannam 00032 shall not be used in advertising or otherwise to promote the sale, 00033 use or other dealings in this Software without prior written 00034 authorization. 00035 */ 00036 00037 #ifndef _VAMP_PLUGIN_ADAPTER_H_ 00038 #define _VAMP_PLUGIN_ADAPTER_H_ 00039 00040 #include <vamp/vamp.h> 00041 00042 #include "Plugin.h" 00043 00044 #include <map> 00045 00046 namespace Vamp { 00047 00063 class PluginAdapterBase 00064 { 00065 public: 00066 virtual ~PluginAdapterBase(); 00067 00072 const VampPluginDescriptor *getDescriptor(); 00073 00074 protected: 00075 PluginAdapterBase(); 00076 00077 virtual Plugin *createPlugin(float inputSampleRate) = 0; 00078 00079 class Impl; 00080 Impl *m_impl; 00081 }; 00082 00092 template <typename P> 00093 class PluginAdapter : public PluginAdapterBase 00094 { 00095 public: 00096 PluginAdapter() : PluginAdapterBase() { } 00097 virtual ~PluginAdapter() { } 00098 00099 protected: 00100 Plugin *createPlugin(float inputSampleRate) { 00101 P *p = new P(inputSampleRate); 00102 Plugin *plugin = dynamic_cast<Plugin *>(p); 00103 if (!plugin) { 00104 std::cerr << "ERROR: PluginAdapter::createPlugin: " 00105 << "Template type is not a plugin!" 00106 << std::endl; 00107 delete p; 00108 return 0; 00109 } 00110 return plugin; 00111 } 00112 }; 00113 00114 } 00115 00116 #endif 00117