mirror of
https://github.com/cookiengineer/audacity
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103 lines
3.7 KiB
C++
103 lines
3.7 KiB
C++
/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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/*
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Vamp
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An API for audio analysis and feature extraction plugins.
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Centre for Digital Music, Queen Mary, University of London.
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Copyright 2006 Chris Cannam.
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Permission is hereby granted, free of charge, to any person
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obtaining a copy of this software and associated documentation
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files (the "Software"), to deal in the Software without
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restriction, including without limitation the rights to use, copy,
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modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
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ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the names of the Centre for
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Digital Music; Queen Mary, University of London; and Chris Cannam
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shall not be used in advertising or otherwise to promote the sale,
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use or other dealings in this Software without prior written
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authorization.
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*/
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#ifndef _VAMP_SDK_PLUGGUARD_H_
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#define _VAMP_SDK_PLUGGUARD_H_
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/**
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* Normal usage should be:
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*
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* - Plugins include vamp-sdk/Plugin.h or vamp-sdk/PluginBase.h.
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* These files include this header, which specifies an appropriate
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* namespace for the plugin classes to avoid any risk of conflict
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* with non-plugin class implementations in the host on load.
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*
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* - Hosts include vamp-hostsdk/Plugin.h, vamp-hostsdk/PluginBase.h,
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* vamp-hostsdk/PluginHostAdapter, vamp-hostsdk/PluginLoader.h etc.
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* These files include vamp-hostsdk/hostguard.h, which makes a note
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* that we are in a host. A file such as vamp-hostsdk/Plugin.h
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* then simply includes vamp-sdk/Plugin.h, and this guard header
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* takes notice of the fact that it has been included from a host
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* and leaves the plugin namespace unset.
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*
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* Problems will occur when a host includes files directly from the
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* vamp-sdk directory. There are two reasons this might happen:
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* mistake, perhaps owing to ignorance of the fact that this isn't
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* allowed (particularly since it was the normal mechanism in v1 of
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* the SDK); and a wish to incorporate plugin code directly into the
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* host rather than having to load it.
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*
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* What if the host does include a vamp-sdk header by mistake? We can
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* catch it if it's included before something from vamp-hostsdk. If
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* it's included after something from vamp-hostsdk, it will work OK
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* anyway. The remaining problem case is where nothing from
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* vamp-hostsdk is included in the same file. We can't catch that.
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*/
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#ifndef _VAMP_IN_HOSTSDK
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#define _VAMP_IN_PLUGINSDK 1
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#define VAMP_SDK_VERSION "2.5"
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#define VAMP_SDK_MAJOR_VERSION 2
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#define VAMP_SDK_MINOR_VERSION 5
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#ifdef _VAMP_NO_PLUGIN_NAMESPACE
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#define _VAMP_SDK_PLUGSPACE_BEGIN(h)
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#define _VAMP_SDK_PLUGSPACE_END(h)
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#else
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#ifdef _VAMP_PLUGIN_IN_HOST_NAMESPACE
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#define _VAMP_SDK_PLUGSPACE_BEGIN(h) \
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namespace _VampHost {
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#define _VAMP_SDK_PLUGSPACE_END(h) \
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} \
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using namespace _VampHost;
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#else
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#define _VAMP_SDK_PLUGSPACE_BEGIN(h) \
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namespace _VampPlugin {
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#define _VAMP_SDK_PLUGSPACE_END(h) \
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} \
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using namespace _VampPlugin;
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#endif
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#endif
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#endif
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#endif
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