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PluginAdapter.h
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cannam@50: Go to the documentation of this file.
00001 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
cannam@50: 00002 
cannam@50: 00003 /*
cannam@50: 00004     Vamp
cannam@50: 00005 
cannam@50: 00006     An API for audio analysis and feature extraction plugins.
cannam@50: 00007 
cannam@50: 00008     Centre for Digital Music, Queen Mary, University of London.
cannam@50: 00009     Copyright 2006 Chris Cannam.
cannam@50: 00010   
cannam@50: 00011     Permission is hereby granted, free of charge, to any person
cannam@50: 00012     obtaining a copy of this software and associated documentation
cannam@50: 00013     files (the "Software"), to deal in the Software without
cannam@50: 00014     restriction, including without limitation the rights to use, copy,
cannam@50: 00015     modify, merge, publish, distribute, sublicense, and/or sell copies
cannam@50: 00016     of the Software, and to permit persons to whom the Software is
cannam@50: 00017     furnished to do so, subject to the following conditions:
cannam@50: 00018 
cannam@50: 00019     The above copyright notice and this permission notice shall be
cannam@50: 00020     included in all copies or substantial portions of the Software.
cannam@50: 00021 
cannam@50: 00022     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
cannam@50: 00023     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
cannam@50: 00024     MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
cannam@50: 00025     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
cannam@50: 00026     ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
cannam@50: 00027     CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
cannam@50: 00028     WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
cannam@50: 00029 
cannam@50: 00030     Except as contained in this notice, the names of the Centre for
cannam@50: 00031     Digital Music; Queen Mary, University of London; and Chris Cannam
cannam@50: 00032     shall not be used in advertising or otherwise to promote the sale,
cannam@50: 00033     use or other dealings in this Software without prior written
cannam@50: 00034     authorization.
cannam@50: 00035 */
cannam@50: 00036 
cannam@50: 00037 #ifndef _VAMP_PLUGIN_ADAPTER_H_
cannam@50: 00038 #define _VAMP_PLUGIN_ADAPTER_H_
cannam@50: 00039 
cannam@50: 00040 #include <map>
cannam@50: 00041 #include <vamp/vamp.h>
cannam@50: 00042 
cannam@50: 00043 #include "Plugin.h"
cannam@50: 00044 
cannam@50: 00045 #include "plugguard.h"
cannam@50: 00046 _VAMP_SDK_PLUGSPACE_BEGIN(PluginAdapter.h)
cannam@50: 00047 
cannam@50: 00048 namespace Vamp {
cannam@50: 00049 
cannam@50: 00065 class PluginAdapterBase
cannam@50: 00066 {
cannam@50: 00067 public:
cannam@50: 00068     virtual ~PluginAdapterBase();
cannam@50: 00069 
cannam@50: 00074     const VampPluginDescriptor *getDescriptor();
cannam@50: 00075 
cannam@50: 00076 protected:
cannam@50: 00077     PluginAdapterBase();
cannam@50: 00078 
cannam@50: 00079     virtual Plugin *createPlugin(float inputSampleRate) = 0;
cannam@50: 00080 
cannam@50: 00081     class Impl;
cannam@50: 00082     Impl *m_impl;
cannam@50: 00083 };
cannam@50: 00084 
cannam@50: 00094 template <typename P>
cannam@50: 00095 class PluginAdapter : public PluginAdapterBase
cannam@50: 00096 {
cannam@50: 00097 public:
cannam@50: 00098     PluginAdapter() : PluginAdapterBase() { }
cannam@50: 00099     virtual ~PluginAdapter() { }
cannam@50: 00100 
cannam@50: 00101 protected:
cannam@50: 00102     Plugin *createPlugin(float inputSampleRate) {
cannam@50: 00103         P *p = new P(inputSampleRate);
cannam@50: 00104         Plugin *plugin = dynamic_cast<Plugin *>(p);
cannam@50: 00105         if (!plugin) {
cannam@50: 00106             std::cerr << "ERROR: PluginAdapter::createPlugin: "
cannam@50: 00107                       << "Template type is not a plugin!"
cannam@50: 00108                       << std::endl;
cannam@50: 00109             delete p;
cannam@50: 00110             return 0;
cannam@50: 00111         }
cannam@50: 00112         return plugin;
cannam@50: 00113     }
cannam@50: 00114 };
cannam@50: 00115     
cannam@50: 00116 }
cannam@50: 00117 
cannam@50: 00118 _VAMP_SDK_PLUGSPACE_END(PluginAdapter.h)
cannam@50: 00119 
cannam@50: 00120 #endif
cannam@50: 00121 
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