annotate examples/plugins.cpp @ 415:1522e2f6d700

Fix handling of output sample rate in buffering adapter in case where SampleType is Fixed but no sample rate provided (which is invalid behaviour from the plugin, but we might as well do the right thing with it)

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

/*
    Vamp

    An API for audio analysis and feature extraction plugins.

    Centre for Digital Music, Queen Mary, University of London.
    Copyright 2006 Chris Cannam.
  
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    Except as contained in this notice, the names of the Centre for
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*/

#include "vamp/vamp.h"
#include "vamp-sdk/PluginAdapter.h"

#include "ZeroCrossing.h"
#include "SpectralCentroid.h"
#include "PercussionOnsetDetector.h"
#include "FixedTempoEstimator.h"
#include "AmplitudeFollower.h"
#include "PowerSpectrum.h"

static Vamp::PluginAdapter<ZeroCrossing> zeroCrossingAdapter;
static Vamp::PluginAdapter<SpectralCentroid> spectralCentroidAdapter;
static Vamp::PluginAdapter<PercussionOnsetDetector> percussionOnsetAdapter;
static Vamp::PluginAdapter<FixedTempoEstimator> fixedTempoAdapter;
static Vamp::PluginAdapter<AmplitudeFollower> amplitudeAdapter;
static Vamp::PluginAdapter<PowerSpectrum> powerSpectrum;

const VampPluginDescriptor *vampGetPluginDescriptor(unsigned int version,
                                                    unsigned int index)
{
    if (version < 1) return 0;

    switch (index) {
    case  0: return zeroCrossingAdapter.getDescriptor();
    case  1: return spectralCentroidAdapter.getDescriptor();
    case  2: return percussionOnsetAdapter.getDescriptor();
    case  3: return amplitudeAdapter.getDescriptor();
    case  4: return fixedTempoAdapter.getDescriptor();
    case  5: return powerSpectrum.getDescriptor();
    default: return 0;
    }
}