annotate vamp-support/CountingPluginHandleMapper.h @ 82:fa2c0358c2b6

Plan

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    Piper C++

    Centre for Digital Music, Queen Mary, University of London.
    Copyright 2006-2016 Chris Cannam and QMUL.
  
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*/

#ifndef PIPER_COUNTING_PLUGIN_HANDLE_MAPPER_H
#define PIPER_COUNTING_PLUGIN_HANDLE_MAPPER_H

#include "PluginHandleMapper.h"
#include "PluginOutputIdMapper.h"
#include "AssignedPluginHandleMapper.h"

#include <set>
#include <map>

namespace piper {

class CountingPluginHandleMapper : public PluginHandleMapper
{
public:
    CountingPluginHandleMapper() : m_nextHandle(1) { }

    void addPlugin(Vamp::Plugin *p) {
        Handle h = m_nextHandle++;
        m_sub.addPlugin(p, h);
    }

    void removePlugin(Handle h) {
        m_sub.removePlugin(h);
    }
    
    Handle pluginToHandle(Vamp::Plugin *p) const noexcept {
        return m_sub.pluginToHandle(p);
    }
    
    Vamp::Plugin *handleToPlugin(Handle h) const noexcept {
        return m_sub.handleToPlugin(h);
    }

    const std::shared_ptr<PluginOutputIdMapper> pluginToOutputIdMapper
    (Vamp::Plugin *p) const noexcept {
        return m_sub.pluginToOutputIdMapper(p);
    }

    const std::shared_ptr<PluginOutputIdMapper> handleToOutputIdMapper
    (Handle h) const noexcept {
        return m_sub.handleToOutputIdMapper(h);
    }

    bool isConfigured(Handle h) const noexcept {
        return m_sub.isConfigured(h);
    }

    void markConfigured(Handle h, int channelCount, int blockSize) {
        m_sub.markConfigured(h, channelCount, blockSize);
    }

    int getChannelCount(Handle h) const noexcept {
        return m_sub.getChannelCount(h);
    }

    int getBlockSize(Handle h) const noexcept {
        return m_sub.getBlockSize(h);
    }
    
private:
    Handle m_nextHandle; // NB plugin handle type must fit in JSON number
    AssignedPluginHandleMapper m_sub;
};

}

#endif