cannam@3: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ cannam@3: cannam@3: /* cannam@3: Vamp cannam@3: cannam@3: An API for audio analysis and feature extraction plugins. cannam@3: cannam@3: Centre for Digital Music, Queen Mary, University of London. cannam@3: Copyright 2006 Chris Cannam. cannam@3: cannam@3: Permission is hereby granted, free of charge, to any person cannam@3: obtaining a copy of this software and associated documentation cannam@3: files (the "Software"), to deal in the Software without cannam@3: restriction, including without limitation the rights to use, copy, cannam@3: modify, merge, publish, distribute, sublicense, and/or sell copies cannam@3: of the Software, and to permit persons to whom the Software is cannam@3: furnished to do so, subject to the following conditions: cannam@3: cannam@3: The above copyright notice and this permission notice shall be cannam@3: included in all copies or substantial portions of the Software. cannam@3: cannam@3: THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, cannam@3: EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF cannam@3: MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND cannam@6: NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR cannam@3: ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF cannam@3: CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION cannam@3: WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. cannam@3: cannam@3: Except as contained in this notice, the names of the Centre for cannam@3: Digital Music; Queen Mary, University of London; and Chris Cannam cannam@3: shall not be used in advertising or otherwise to promote the sale, cannam@3: use or other dealings in this Software without prior written cannam@3: authorization. cannam@3: */ cannam@3: cannam@5: #ifndef _VAMP_PLUGIN_ADAPTER_H_ cannam@5: #define _VAMP_PLUGIN_ADAPTER_H_ cannam@3: cannam@10: #include cannam@10: cannam@3: #include "Plugin.h" cannam@3: cannam@3: #include cannam@3: cannam@3: namespace Vamp { cannam@3: cannam@3: class PluginAdapterBase cannam@3: { cannam@3: public: cannam@3: virtual ~PluginAdapterBase(); cannam@3: const VampPluginDescriptor *getDescriptor(); cannam@3: cannam@3: protected: cannam@3: PluginAdapterBase(); cannam@3: cannam@3: virtual Plugin *createPlugin(float inputSampleRate) = 0; cannam@3: cannam@3: static VampPluginHandle vampInstantiate(const VampPluginDescriptor *desc, cannam@3: float inputSampleRate); cannam@3: cannam@3: static void vampCleanup(VampPluginHandle handle); cannam@3: cannam@3: static int vampInitialise(VampPluginHandle handle, unsigned int channels, cannam@3: unsigned int stepSize, unsigned int blockSize); cannam@3: cannam@3: static void vampReset(VampPluginHandle handle); cannam@3: cannam@3: static float vampGetParameter(VampPluginHandle handle, int param); cannam@3: static void vampSetParameter(VampPluginHandle handle, int param, float value); cannam@3: cannam@3: static unsigned int vampGetCurrentProgram(VampPluginHandle handle); cannam@3: static void vampSelectProgram(VampPluginHandle handle, unsigned int program); cannam@3: cannam@3: static unsigned int vampGetPreferredStepSize(VampPluginHandle handle); cannam@3: static unsigned int vampGetPreferredBlockSize(VampPluginHandle handle); cannam@3: static unsigned int vampGetMinChannelCount(VampPluginHandle handle); cannam@3: static unsigned int vampGetMaxChannelCount(VampPluginHandle handle); cannam@3: cannam@3: static unsigned int vampGetOutputCount(VampPluginHandle handle); cannam@3: cannam@3: static VampOutputDescriptor *vampGetOutputDescriptor(VampPluginHandle handle, cannam@3: unsigned int i); cannam@3: cannam@3: static void vampReleaseOutputDescriptor(VampOutputDescriptor *desc); cannam@3: cannam@12: static VampFeatureList *vampProcess(VampPluginHandle handle, cannam@47: const float *const *inputBuffers, cannam@12: int sec, cannam@12: int nsec); cannam@3: cannam@12: static VampFeatureList *vampGetRemainingFeatures(VampPluginHandle handle); cannam@3: cannam@12: static void vampReleaseFeatureSet(VampFeatureList *fs); cannam@3: cannam@3: void cleanup(Plugin *plugin); cannam@3: void checkOutputMap(Plugin *plugin); cannam@3: unsigned int getOutputCount(Plugin *plugin); cannam@3: VampOutputDescriptor *getOutputDescriptor(Plugin *plugin, cannam@3: unsigned int i); cannam@12: VampFeatureList *process(Plugin *plugin, cannam@47: const float *const *inputBuffers, cannam@47: int sec, int nsec); cannam@12: VampFeatureList *getRemainingFeatures(Plugin *plugin); cannam@12: VampFeatureList *convertFeatures(Plugin *plugin, cannam@12: const Plugin::FeatureSet &features); cannam@3: cannam@13: // maps both plugins and descriptors to adapters cannam@3: typedef std::map AdapterMap; cannam@13: static AdapterMap *m_adapterMap; cannam@3: static PluginAdapterBase *lookupAdapter(VampPluginHandle); cannam@3: cannam@3: bool m_populated; cannam@3: VampPluginDescriptor m_descriptor; cannam@3: Plugin::ParameterList m_parameters; cannam@3: Plugin::ProgramList m_programs; cannam@3: cannam@3: typedef std::map OutputMap; cannam@3: OutputMap m_pluginOutputs; cannam@3: cannam@12: std::map m_fs; cannam@12: std::map > m_fsizes; cannam@12: std::map > > m_fvsizes; cannam@12: void resizeFS(Plugin *plugin, int n); cannam@12: void resizeFL(Plugin *plugin, int n, size_t sz); cannam@12: void resizeFV(Plugin *plugin, int n, int j, size_t sz); cannam@3: }; cannam@3: cannam@3: template cannam@3: class PluginAdapter : public PluginAdapterBase cannam@3: { cannam@3: public: cannam@3: PluginAdapter() : PluginAdapterBase() { } cannam@47: virtual ~PluginAdapter() { } cannam@3: cannam@3: protected: cannam@3: Plugin *createPlugin(float inputSampleRate) { cannam@3: P *p = new P(inputSampleRate); cannam@3: Plugin *plugin = dynamic_cast(p); cannam@3: if (!plugin) { cannam@3: std::cerr << "ERROR: PluginAdapter::createPlugin: " cannam@3: << "Template type is not a plugin!" cannam@3: << std::endl; cannam@3: delete p; cannam@3: return 0; cannam@3: } cannam@3: return plugin; cannam@3: } cannam@3: }; cannam@3: cannam@3: } cannam@3: cannam@3: #endif cannam@3: