VampPluginSDK  2.1
PluginBufferingAdapter.h
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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 2006-2009 Chris Cannam and QMUL.
00010     This file by Mark Levy and Chris Cannam, Copyright 2007-2008 QMUL.
00011   
00012     Permission is hereby granted, free of charge, to any person
00013     obtaining a copy of this software and associated documentation
00014     files (the "Software"), to deal in the Software without
00015     restriction, including without limitation the rights to use, copy,
00016     modify, merge, publish, distribute, sublicense, and/or sell copies
00017     of the Software, and to permit persons to whom the Software is
00018     furnished to do so, subject to the following conditions:
00019 
00020     The above copyright notice and this permission notice shall be
00021     included in all copies or substantial portions of the Software.
00022 
00023     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00024     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00025     MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00026     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
00027     ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
00028     CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
00029     WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00030 
00031     Except as contained in this notice, the names of the Centre for
00032     Digital Music; Queen Mary, University of London; and Chris Cannam
00033     shall not be used in advertising or otherwise to promote the sale,
00034     use or other dealings in this Software without prior written
00035     authorization.
00036 */
00037 
00038 #ifndef _VAMP_PLUGIN_BUFFERING_ADAPTER_H_
00039 #define _VAMP_PLUGIN_BUFFERING_ADAPTER_H_
00040 
00041 #include "hostguard.h"
00042 #include "PluginWrapper.h"
00043 
00044 _VAMP_SDK_HOSTSPACE_BEGIN(PluginBufferingAdapter.h)
00045 
00046 namespace Vamp {
00047         
00048 namespace HostExt {
00049                 
00075 class PluginBufferingAdapter : public PluginWrapper
00076 {
00077 public:
00083     PluginBufferingAdapter(Plugin *plugin);
00084     virtual ~PluginBufferingAdapter();
00085 
00095     size_t getPreferredStepSize() const;
00096 
00107     size_t getPreferredBlockSize() const;
00108 
00118     bool initialise(size_t channels, size_t stepSize, size_t blockSize);
00119 
00131     size_t getPluginPreferredStepSize() const;
00132 
00139     size_t getPluginPreferredBlockSize() const;
00140 
00148     void setPluginStepSize(size_t stepSize);
00149 
00157     void setPluginBlockSize(size_t blockSize);
00158 
00170     void getActualStepAndBlockSizes(size_t &stepSize, size_t &blockSize);
00171 
00172     void setParameter(std::string, float);
00173     void selectProgram(std::string);
00174 
00175     OutputList getOutputDescriptors() const;
00176 
00177     void reset();
00178 
00179     FeatureSet process(const float *const *inputBuffers, RealTime timestamp);
00180     
00181     FeatureSet getRemainingFeatures();
00182     
00183 protected:
00184     class Impl;
00185     Impl *m_impl;
00186 };
00187     
00188 }
00189 
00190 }
00191 
00192 _VAMP_SDK_HOSTSPACE_END(PluginBufferingAdapter.h)
00193 
00194 #endif