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1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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2 /*
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3 Piper C++
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4
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5 An API for audio analysis and feature extraction plugins.
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6
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7 Centre for Digital Music, Queen Mary, University of London.
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8 Copyright 2006-2016 Chris Cannam and QMUL.
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9
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10 Permission is hereby granted, free of charge, to any person
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11 obtaining a copy of this software and associated documentation
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12 files (the "Software"), to deal in the Software without
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13 restriction, including without limitation the rights to use, copy,
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14 modify, merge, publish, distribute, sublicense, and/or sell copies
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15 of the Software, and to permit persons to whom the Software is
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16 furnished to do so, subject to the following conditions:
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17
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18 The above copyright notice and this permission notice shall be
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19 included in all copies or substantial portions of the Software.
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20
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21 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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22 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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23 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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24 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
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25 ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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26 CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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27 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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28
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29 Except as contained in this notice, the names of the Centre for
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30 Digital Music; Queen Mary, University of London; and Chris Cannam
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31 shall not be used in advertising or otherwise to promote the sale,
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32 use or other dealings in this Software without prior written
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33 authorization.
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34 */
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35
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36 #ifndef PIPER_PLUGIN_CLIENT_H
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37 #define PIPER_PLUGIN_CLIENT_H
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38
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39 #include "vamp-support/PluginConfiguration.h"
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40
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41 namespace piper_vamp {
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42 namespace client {
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43
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44 class PiperVampPlugin;
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45
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46 /**
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47 * Interface for a client that accepts Vamp-like structures (Plugin
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48 * and the classes in vamp-support) and communicates with a Piper
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49 * server, using some serialisation and transport defined by the
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50 * specific implementation.
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51 */
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52 class PluginClient
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53 {
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54 public:
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55 virtual ~PluginClient() { }
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56
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57 virtual
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58 ConfigurationResponse
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59 configure(PiperVampPlugin *plugin,
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60 PluginConfiguration config) = 0;
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61
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62 virtual
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63 Vamp::Plugin::FeatureSet
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64 process(PiperVampPlugin *plugin,
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65 std::vector<std::vector<float> > inputBuffers,
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66 Vamp::RealTime timestamp) = 0;
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67
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68 virtual
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69 Vamp::Plugin::FeatureSet
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70 finish(PiperVampPlugin *plugin) = 0;
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71
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72 virtual
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73 void
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74 reset(PiperVampPlugin *plugin,
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75 PluginConfiguration config) = 0;
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76 };
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77
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78 }
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79 }
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80
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81 #endif
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