diff native/PyPluginObject.cpp @ 52:b56513f872a5

Move files into subdirs

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/native/PyPluginObject.cpp	Wed Jan 14 08:30:47 2015 +0000
@@ -0,0 +1,725 @@
+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    VampyHost
+
+    Use Vamp audio analysis plugins in Python
+
+    Gyorgy Fazekas and Chris Cannam
+    Centre for Digital Music, Queen Mary, University of London
+    Copyright 2008-2014 Queen Mary, University of London
+  
+    Permission is hereby granted, free of charge, to any person
+    obtaining a copy of this software and associated documentation
+    files (the "Software"), to deal in the Software without
+    restriction, including without limitation the rights to use, copy,
+    modify, merge, publish, distribute, sublicense, and/or sell copies
+    of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be
+    included in all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+    NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
+    ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+    CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+    WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+    Except as contained in this notice, the names of the Centre for
+    Digital Music; Queen Mary, University of London; and the authors
+    shall not be used in advertising or otherwise to promote the sale,
+    use or other dealings in this Software without prior written
+    authorization.
+*/
+
+#include "PyPluginObject.h"
+
+// define a unique API pointer 
+#define PY_ARRAY_UNIQUE_SYMBOL VAMPYHOST_ARRAY_API
+#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION
+#define NO_IMPORT_ARRAY
+#include "numpy/arrayobject.h"
+
+#include "structmember.h"
+
+#include "FloatConversion.h"
+#include "VectorConversion.h"
+#include "PyRealTime.h"
+
+#include <string>
+#include <vector>
+#include <cstddef>
+#include <set>
+
+using namespace std;
+using namespace Vamp;
+
+static
+PyPluginObject *
+getPluginObject(PyObject *pyPluginHandle)
+{
+    PyPluginObject *pd = 0;
+    if (PyPlugin_Check(pyPluginHandle)) {
+        pd = (PyPluginObject *)pyPluginHandle;
+    }
+    if (!pd || !pd->plugin) {
+        PyErr_SetString(PyExc_AttributeError,
+                        "Invalid or already deleted plugin handle.");
+        return 0;
+    } else {
+        return pd;
+    }
+}
+
+static
+PyObject *
+pystr(const string &s)
+{
+    return PyString_FromString(s.c_str());
+}
+
+PyObject *
+PyPluginObject_From_Plugin(Plugin *plugin)
+{
+    PyPluginObject *pd = 
+        (PyPluginObject *)PyType_GenericAlloc(&Plugin_Type, 0);
+    pd->plugin = plugin;
+    pd->isInitialised = false;
+    pd->channels = 0;
+    pd->blockSize = 0;
+    pd->stepSize = 0;
+
+    PyObject *infodict = PyDict_New();
+    PyDict_SetItemString
+        (infodict, "apiVersion", PyInt_FromLong(plugin->getVampApiVersion()));
+    PyDict_SetItemString
+        (infodict, "pluginVersion", PyInt_FromLong(plugin->getPluginVersion()));
+    PyDict_SetItemString
+        (infodict, "identifier", pystr(plugin->getIdentifier()));
+    PyDict_SetItemString
+        (infodict, "name", pystr(plugin->getName()));
+    PyDict_SetItemString
+        (infodict, "description", pystr(plugin->getDescription()));
+    PyDict_SetItemString
+        (infodict, "maker", pystr(plugin->getMaker()));
+    PyDict_SetItemString
+        (infodict, "copyright", pystr(plugin->getCopyright()));
+    pd->info = infodict;
+
+    pd->inputDomain = plugin->getInputDomain();
+
+    VectorConversion conv;
+
+    Plugin::ParameterList pl = plugin->getParameterDescriptors();
+    PyObject *params = PyList_New(pl.size());
+    
+    for (int i = 0; i < (int)pl.size(); ++i) {
+        PyObject *paramdict = PyDict_New();
+        PyDict_SetItemString
+            (paramdict, "identifier", pystr(pl[i].identifier));
+        PyDict_SetItemString
+            (paramdict, "name", pystr(pl[i].name));
+        PyDict_SetItemString
+            (paramdict, "description", pystr(pl[i].description));
+        PyDict_SetItemString
+            (paramdict, "unit", pystr(pl[i].unit));
+        PyDict_SetItemString
+            (paramdict, "minValue", PyFloat_FromDouble(pl[i].minValue));
+        PyDict_SetItemString
+            (paramdict, "maxValue", PyFloat_FromDouble(pl[i].maxValue));
+        PyDict_SetItemString
+            (paramdict, "defaultValue", PyFloat_FromDouble(pl[i].defaultValue));
+        if (pl[i].isQuantized) {
+            PyDict_SetItemString
+                (paramdict, "isQuantized", Py_True);
+            PyDict_SetItemString
+                (paramdict, "quantizeStep", PyFloat_FromDouble(pl[i].quantizeStep));
+            if (!pl[i].valueNames.empty()) {
+                PyDict_SetItemString
+                    (paramdict, "valueNames", conv.PyValue_From_StringVector(pl[i].valueNames));
+            }
+        } else {
+            PyDict_SetItemString
+                (paramdict, "isQuantized", Py_False);
+        }
+        
+        PyList_SET_ITEM(params, i, paramdict);
+    }
+
+    pd->parameters = params;
+
+    Plugin::ProgramList prl = plugin->getPrograms();
+    PyObject *progs = PyList_New(prl.size());
+
+    for (int i = 0; i < (int)prl.size(); ++i) {
+        PyList_SET_ITEM(progs, i, pystr(prl[i]));
+    }
+
+    pd->programs = progs;
+    
+    return (PyObject *)pd;
+}
+
+static void
+PyPluginObject_dealloc(PyPluginObject *self)
+{
+    delete self->plugin;
+    PyObject_Del(self);
+}
+
+static PyObject *
+getOutputs(PyObject *self, PyObject *args)
+{ 
+    PyPluginObject *pd = getPluginObject(self);
+    if (!pd) return 0;
+
+    Plugin::OutputList ol = pd->plugin->getOutputDescriptors();
+    PyObject *outputs = PyList_New(ol.size());
+    
+    for (int i = 0; i < (int)ol.size(); ++i) {
+        PyObject *outdict = PyDict_New();
+        PyDict_SetItemString
+            (outdict, "identifier", pystr(ol[i].identifier));
+        PyDict_SetItemString
+            (outdict, "name", pystr(ol[i].name));
+        PyDict_SetItemString
+            (outdict, "description", pystr(ol[i].description));
+        PyDict_SetItemString
+            (outdict, "binCount", PyInt_FromLong(ol[i].binCount));
+        if (ol[i].binCount > 0) {
+            if (ol[i].hasKnownExtents) {
+                PyDict_SetItemString
+                    (outdict, "hasKnownExtents", Py_True);
+                PyDict_SetItemString
+                    (outdict, "minValue", PyFloat_FromDouble(ol[i].minValue));
+                PyDict_SetItemString
+                    (outdict, "maxValue", PyFloat_FromDouble(ol[i].maxValue));
+            } else {
+                PyDict_SetItemString
+                    (outdict, "hasKnownExtents", Py_False);
+            }
+            if (ol[i].isQuantized) {
+                PyDict_SetItemString
+                    (outdict, "isQuantized", Py_True);
+                PyDict_SetItemString
+                    (outdict, "quantizeStep", PyFloat_FromDouble(ol[i].quantizeStep));
+            } else {
+                PyDict_SetItemString
+                    (outdict, "isQuantized", Py_False);
+            }
+        }
+        PyDict_SetItemString
+            (outdict, "sampleType", PyInt_FromLong((int)ol[i].sampleType));
+        PyDict_SetItemString
+            (outdict, "sampleRate", PyFloat_FromDouble(ol[i].sampleRate));
+        PyDict_SetItemString
+            (outdict, "hasDuration", ol[i].hasDuration ? Py_True : Py_False);
+        
+        PyList_SET_ITEM(outputs, i, outdict);
+    }
+
+    return outputs;
+}
+
+static PyObject *
+initialise(PyObject *self, PyObject *args)
+{
+    size_t channels, blockSize, stepSize;
+
+    if (!PyArg_ParseTuple (args, "nnn",
+                           (size_t) &channels,
+                           (size_t) &stepSize,
+                           (size_t) &blockSize)) {
+        PyErr_SetString(PyExc_TypeError,
+                        "initialise() takes channel count, step size, and block size arguments");
+        return 0;
+    }
+
+    PyPluginObject *pd = getPluginObject(self);
+    if (!pd) return 0;
+
+    pd->channels = channels;
+    pd->stepSize = stepSize;
+    pd->blockSize = blockSize;
+
+    if (!pd->plugin->initialise(channels, stepSize, blockSize)) {
+        cerr << "Failed to initialise native plugin adapter with channels = " << channels << ", stepSize = " << stepSize << ", blockSize = " << blockSize << endl;
+        PyErr_SetString(PyExc_TypeError,
+                        "Plugin initialization failed");
+        return 0;
+    }
+
+    pd->isInitialised = true;
+
+    return Py_True;
+}
+
+static PyObject *
+reset(PyObject *self, PyObject *)
+{
+    PyPluginObject *pd = getPluginObject(self);
+    if (!pd) return 0;
+
+    if (!pd->isInitialised) {
+        PyErr_SetString(PyExc_StandardError,
+                        "Plugin has not been initialised");
+        return 0;
+    }
+        
+    pd->plugin->reset();
+    return Py_True;
+}
+
+static bool
+hasParameter(PyPluginObject *pd, string id)
+{
+    PluginBase::ParameterList pl = pd->plugin->getParameterDescriptors();
+    for (int i = 0; i < (int)pl.size(); ++i) {
+        if (pl[i].identifier == id) {
+            return true;
+        }
+    }
+    return false;
+}
+
+static PyObject *
+getParameterValue(PyObject *self, PyObject *args)
+{
+    PyObject *pyParam;
+
+    if (!PyArg_ParseTuple(args, "S", &pyParam)) {
+        PyErr_SetString(PyExc_TypeError,
+                        "getParameterValue() takes parameter id (string) argument");
+        return 0; }
+
+    PyPluginObject *pd = getPluginObject(self);
+    if (!pd) return 0;
+
+    string param = PyString_AS_STRING(pyParam);
+    
+    if (!hasParameter(pd, param)) {
+        PyErr_SetString(PyExc_StandardError,
+                        (string("Unknown parameter id \"") + param + "\"").c_str());
+        return 0;
+    }
+    
+    float value = pd->plugin->getParameter(param);
+    return PyFloat_FromDouble(double(value));
+}
+
+static PyObject *
+setParameterValue(PyObject *self, PyObject *args)
+{
+    PyObject *pyParam;
+    float value;
+
+    if (!PyArg_ParseTuple(args, "Sf", &pyParam, &value)) {
+        PyErr_SetString(PyExc_TypeError,
+                        "setParameterValue() takes parameter id (string), and value (float) arguments");
+        return 0; }
+
+    PyPluginObject *pd = getPluginObject(self);
+    if (!pd) return 0;
+
+    string param = PyString_AS_STRING(pyParam);
+    
+    if (!hasParameter(pd, param)) {
+        PyErr_SetString(PyExc_StandardError,
+                        (string("Unknown parameter id \"") + param + "\"").c_str());
+        return 0;
+    }
+
+    pd->plugin->setParameter(param, value);
+    return Py_True;
+}
+
+static PyObject *
+setParameterValues(PyObject *self, PyObject *args)
+{
+    PyObject *dict;
+
+    if (!PyArg_ParseTuple(args, "O", &dict)) {
+        PyErr_SetString(PyExc_TypeError,
+                        "setParameterValues() takes dict argument");
+        return 0; }
+
+    if (!PyDict_Check(dict)) {
+        PyErr_SetString(PyExc_TypeError,
+                        "setParameterValues() takes dict argument");
+        return 0; }
+    
+    PyPluginObject *pd = getPluginObject(self);
+    if (!pd) return 0;
+
+    PluginBase::ParameterList pl = pd->plugin->getParameterDescriptors();
+    set<string> paramIds;
+    for (int i = 0; i < (int)pl.size(); ++i) {
+        paramIds.insert(pl[i].identifier);
+    }
+
+    Py_ssize_t pos = 0;
+    PyObject *key, *value;
+    while (PyDict_Next(dict, &pos, &key, &value)) {
+        if (!key || !PyString_CheckExact(key)) {
+            PyErr_SetString(PyExc_TypeError,
+                            "Parameter dict keys must all have string type");
+            return 0;
+        }
+        if (!value || !FloatConversion::check(value)) {
+            PyErr_SetString(PyExc_TypeError,
+                            "Parameter dict values must be convertible to float");
+            return 0;
+        }
+        string param = PyString_AS_STRING(key);
+        if (paramIds.find(param) == paramIds.end()) {
+            PyErr_SetString(PyExc_StandardError,
+                            (string("Unknown parameter id \"") + param + "\"").c_str());
+            return 0;
+        }
+        pd->plugin->setParameter(param, FloatConversion::convert(value));
+    }
+    
+    return Py_True;
+}
+
+static PyObject *
+selectProgram(PyObject *self, PyObject *args)
+{
+    PyObject *pyParam;
+
+    if (!PyArg_ParseTuple(args, "S", &pyParam)) {
+        PyErr_SetString(PyExc_TypeError,
+                        "selectProgram() takes parameter id (string) argument");
+        return 0; }
+
+    PyPluginObject *pd = getPluginObject(self);
+    if (!pd) return 0;
+
+    pd->plugin->selectProgram(PyString_AS_STRING(pyParam));
+    return Py_True;
+}
+
+static
+PyObject *
+convertFeatureSet(const Plugin::FeatureSet &fs)
+{
+    VectorConversion conv;
+    
+    PyObject *pyFs = PyDict_New();
+
+    for (Plugin::FeatureSet::const_iterator fsi = fs.begin();
+         fsi != fs.end(); ++fsi) {
+
+        int fno = fsi->first;
+        const Plugin::FeatureList &fl = fsi->second;
+
+        if (!fl.empty()) {
+
+            PyObject *pyFl = PyList_New(fl.size());
+
+            for (int fli = 0; fli < (int)fl.size(); ++fli) {
+
+                const Plugin::Feature &f = fl[fli];
+                PyObject *pyF = PyDict_New();
+
+                if (f.hasTimestamp) {
+                    PyDict_SetItemString
+                        (pyF, "timestamp", PyRealTime_FromRealTime(f.timestamp));
+                }
+                if (f.hasDuration) {
+                    PyDict_SetItemString
+                        (pyF, "duration", PyRealTime_FromRealTime(f.duration));
+                }
+
+                PyDict_SetItemString
+                    (pyF, "label", pystr(f.label));
+
+                if (!f.values.empty()) {
+                    PyDict_SetItemString
+                        (pyF, "values", conv.PyArray_From_FloatVector(f.values));
+                }
+
+                PyList_SET_ITEM(pyFl, fli, pyF);
+            }
+
+            PyObject *pyN = PyInt_FromLong(fno);
+            PyDict_SetItem(pyFs, pyN, pyFl);
+        }
+    }
+    
+    return pyFs;
+}
+
+static vector<vector<float> >
+convertPluginInput(PyObject *pyBuffer, int channels, int blockSize)
+{
+    vector<vector<float> > data;
+
+    VectorConversion conv;
+
+    if (PyArray_CheckExact(pyBuffer)) {
+
+        data = conv.Py2DArray_To_FloatVector(pyBuffer);
+
+        if (conv.error) {
+            PyErr_SetString(PyExc_TypeError, conv.getError().str().c_str());
+            return data;
+        }
+
+        if ((int)data.size() != channels) {
+//            cerr << "Wrong number of channels: got " << data.size() << ", expected " << channels << endl;
+            PyErr_SetString(PyExc_TypeError, "Wrong number of channels");
+            return vector<vector<float> >();
+        }
+        
+    } else {
+        
+        if (!PyList_Check(pyBuffer)) {
+            PyErr_SetString(PyExc_TypeError, "List of NumPy arrays or lists of numbers required for process input");
+            return data;
+        }
+        
+        if (PyList_GET_SIZE(pyBuffer) != channels) {
+//            cerr << "Wrong number of channels: got " << PyList_GET_SIZE(pyBuffer) << ", expected " << channels << endl;
+            PyErr_SetString(PyExc_TypeError, "Wrong number of channels");
+            return data;
+        }
+
+        for (int c = 0; c < channels; ++c) {
+            PyObject *cbuf = PyList_GET_ITEM(pyBuffer, c);
+            data.push_back(conv.PyValue_To_FloatVector(cbuf));
+            if (conv.error) {
+                PyErr_SetString(PyExc_TypeError, conv.getError().str().c_str());
+                return vector<vector<float> >();
+            }
+        }
+    }
+    
+    for (int c = 0; c < channels; ++c) {
+        if ((int)data[c].size() != blockSize) {
+//            cerr << "Wrong number of samples on channel " << c << ": expected " << blockSize << " (plugin's block size), got " << data[c].size() << endl;
+            PyErr_SetString(PyExc_TypeError, "Wrong number of samples for process block");
+            return vector<vector<float> >();
+        }
+    }
+    
+    return data;
+}
+
+static PyObject *
+processBlock(PyObject *self, PyObject *args)
+{
+    PyObject *pyBuffer;
+    PyObject *pyRealTime;
+
+    if (!PyArg_ParseTuple(args, "OO",
+                          &pyBuffer,                    // Audio data
+                          &pyRealTime)) {               // TimeStamp
+        PyErr_SetString(PyExc_TypeError,
+                        "processBlock() takes buffer (2D array or list of arrays, one row per channel) and timestamp (RealTime) arguments");
+        return 0; }
+
+    if (!PyRealTime_Check(pyRealTime)) {
+        PyErr_SetString(PyExc_TypeError, "Valid timestamp required.");
+        return 0; }
+
+    PyPluginObject *pd = getPluginObject(self);
+    if (!pd) return 0;
+
+    if (!pd->isInitialised) {
+        PyErr_SetString(PyExc_StandardError,
+                        "Plugin has not been initialised.");
+        return 0;
+    }
+
+    int channels = pd->channels;
+    vector<vector<float> > data =
+        convertPluginInput(pyBuffer, channels, pd->blockSize);
+    if (data.empty()) return 0;
+
+    float **inbuf = new float *[channels];
+    for (int c = 0; c < channels; ++c) {
+        inbuf[c] = &data[c][0];
+    }
+    RealTime timeStamp = *PyRealTime_AsRealTime(pyRealTime);
+    Plugin::FeatureSet fs = pd->plugin->process(inbuf, timeStamp);
+    delete[] inbuf;
+
+    return convertFeatureSet(fs);
+}
+
+static PyObject *
+getRemainingFeatures(PyObject *self, PyObject *)
+{
+    PyPluginObject *pd = getPluginObject(self);
+    if (!pd) return 0;
+
+    if (!pd->isInitialised) {
+        PyErr_SetString(PyExc_StandardError,
+                        "Plugin has not been initialised.");
+        return 0;
+    }
+
+    Plugin::FeatureSet fs = pd->plugin->getRemainingFeatures();
+
+    return convertFeatureSet(fs);
+}
+
+static PyObject *
+getPreferredBlockSize(PyObject *self, PyObject *)
+{
+    PyPluginObject *pd = getPluginObject(self);
+    if (!pd) return 0;
+    return PyInt_FromLong(pd->plugin->getPreferredBlockSize());
+}
+
+static PyObject *
+getPreferredStepSize(PyObject *self, PyObject *)
+{
+    PyPluginObject *pd = getPluginObject(self);
+    if (!pd) return 0;
+    return PyInt_FromLong(pd->plugin->getPreferredStepSize());
+}
+
+static PyObject *
+getMinChannelCount(PyObject *self, PyObject *)
+{
+    PyPluginObject *pd = getPluginObject(self);
+    if (!pd) return 0;
+    return PyInt_FromLong(pd->plugin->getMinChannelCount());
+}
+
+static PyObject *
+getMaxChannelCount(PyObject *self, PyObject *)
+{
+    PyPluginObject *pd = getPluginObject(self);
+    if (!pd) return 0;
+    return PyInt_FromLong(pd->plugin->getMaxChannelCount());
+}
+    
+static PyObject *
+unload(PyObject *self, PyObject *)
+{
+    PyPluginObject *pd = getPluginObject(self);
+    if (!pd) return 0;
+
+    delete pd->plugin;
+    pd->plugin = 0; // This is checked by getPluginObject, so we avoid
+                    // blowing up if called repeatedly
+
+    return Py_True;
+}
+
+static PyMemberDef PyPluginObject_members[] =
+{
+    {(char *)"info", T_OBJECT, offsetof(PyPluginObject, info), READONLY,
+     (char *)"info -> A read-only dictionary of plugin metadata."},
+
+    {(char *)"inputDomain", T_INT, offsetof(PyPluginObject, inputDomain), READONLY,
+     (char *)"inputDomain -> The format of input audio required by the plugin, either vampyhost.TimeDomain or vampyhost.FrequencyDomain."},
+
+    {(char *)"parameters", T_OBJECT, offsetof(PyPluginObject, parameters), READONLY,
+     (char *)"parameters -> A list of metadata dictionaries describing the plugin's configurable parameters."},
+
+    {(char *)"programs", T_OBJECT, offsetof(PyPluginObject, programs), READONLY,
+     (char *)"programs -> A list of the programs available for this plugin, if any."},
+    
+    {0, 0}
+};
+
+static PyMethodDef PyPluginObject_methods[] =
+{
+    {"getOutputs", getOutputs, METH_NOARGS,
+     "getOutputs() -> Obtain the output descriptors for all of the plugin's outputs."},
+
+    {"getParameterValue", getParameterValue, METH_VARARGS,
+     "getParameterValue(identifier) -> Return the value of the parameter with the given identifier."},
+
+    {"setParameterValue", setParameterValue, METH_VARARGS,
+     "setParameterValue(identifier, value) -> Set the parameter with the given identifier to the given value."},
+
+    {"setParameterValues", setParameterValues, METH_VARARGS,
+     "setParameterValues(dict) -> Set multiple parameters to values corresponding to the key/value pairs in the dict. Any parameters not mentioned in the dict are unchanged."},
+
+    {"selectProgram", selectProgram, METH_VARARGS,
+     "selectProgram(name) -> Select the processing program with the given name."},
+    
+    {"getPreferredBlockSize", getPreferredBlockSize, METH_VARARGS,
+     "getPreferredBlockSize() -> Return the plugin's preferred processing block size, or 0 if the plugin accepts any block size."},
+
+    {"getPreferredStepSize", getPreferredStepSize, METH_VARARGS,
+     "getPreferredStepSize() -> Return the plugin's preferred processing step size, or 0 if the plugin allows the host to select. If this is 0, the host should normally choose the same step as block size for time-domain plugins, or half the block size for frequency-domain plugins."},
+
+    {"getMinChannelCount", getMinChannelCount, METH_VARARGS,
+     "getMinChannelCount() -> Return the minimum number of channels of audio data the plugin accepts as input."},
+
+    {"getMaxChannelCount", getMaxChannelCount, METH_VARARGS,
+     "getMaxChannelCount() -> Return the maximum number of channels of audio data the plugin accepts as input."},
+    
+    {"initialise", initialise, METH_VARARGS,
+     "initialise(channels, stepSize, blockSize) -> Initialise the plugin for the given number of channels and processing frame sizes. This must be called before processBlock() can be used."},
+
+    {"reset", reset, METH_NOARGS,
+     "reset() -> Reset the plugin after processing, to prepare for another processing run with the same parameters."},
+
+    {"processBlock", processBlock, METH_VARARGS,
+     "processBlock(block, timestamp) -> Provide one processing frame to the plugin, with its timestamp, and obtain any features that were extracted immediately from this frame."},
+
+    {"getRemainingFeatures", getRemainingFeatures, METH_NOARGS,
+     "getRemainingFeatures() -> Obtain any features extracted at the end of processing."},
+
+    {"unload", unload, METH_NOARGS,
+     "unload() -> Dispose of the plugin. You cannot use the plugin object again after calling this. Note that unloading also happens automatically when the plugin object's reference count reaches zero; this function is only necessary if you wish to ensure the native part of the plugin is disposed of before then."},
+    
+    {0, 0}
+};
+
+/* Doc:: 10.3 Type Objects */ /* static */ 
+PyTypeObject Plugin_Type = 
+{
+    PyObject_HEAD_INIT(NULL)
+    0,                                  /*ob_size*/
+    "vampyhost.Plugin",                 /*tp_name*/
+    sizeof(PyPluginObject),             /*tp_basicsize*/
+    0,                                  /*tp_itemsize*/
+    (destructor)PyPluginObject_dealloc, /*tp_dealloc*/
+    0,                                  /*tp_print*/
+    0,                                  /*tp_getattr*/
+    0,                                  /*tp_setattr*/
+    0,                                  /*tp_compare*/
+    0,                                  /*tp_repr*/
+    0,                                  /*tp_as_number*/
+    0,                                  /*tp_as_sequence*/
+    0,                                  /*tp_as_mapping*/
+    0,                                  /*tp_hash*/
+    0,                                  /*tp_call*/
+    0,                                  /*tp_str*/
+    PyObject_GenericGetAttr,            /*tp_getattro*/
+    PyObject_GenericSetAttr,            /*tp_setattro*/
+    0,                                  /*tp_as_buffer*/
+    Py_TPFLAGS_DEFAULT,                 /*tp_flags*/
+    "Plugin object, providing a low-level API for running a Vamp plugin.", /*tp_doc*/
+    0,                                  /*tp_traverse*/
+    0,                                  /*tp_clear*/
+    0,                                  /*tp_richcompare*/
+    0,                                  /*tp_weaklistoffset*/
+    0,                                  /*tp_iter*/
+    0,                                  /*tp_iternext*/
+    PyPluginObject_methods,             /*tp_methods*/ 
+    PyPluginObject_members,             /*tp_members*/
+    0,                                  /*tp_getset*/
+    0,                                  /*tp_base*/
+    0,                                  /*tp_dict*/
+    0,                                  /*tp_descr_get*/
+    0,                                  /*tp_descr_set*/
+    0,                                  /*tp_dictoffset*/
+    0,                                  /*tp_init*/
+    PyType_GenericAlloc,                /*tp_alloc*/
+    0,                                  /*tp_new*/
+    PyObject_Del,                       /*tp_free*/
+    0,                                  /*tp_is_gc*/
+};
+