diff runner/MIDIFeatureWriter.cpp @ 137:65a488d8c1bb midi

Might help to actually commit these files

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/runner/MIDIFeatureWriter.cpp	Mon Oct 13 11:28:24 2014 +0100
@@ -0,0 +1,93 @@
+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Sonic Annotator
+    A utility for batch feature extraction from audio files.
+    Mark Levy, Chris Sutton and Chris Cannam, Queen Mary, University of London.
+    Copyright 2007-2014 QMUL.
+
+    This program is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License as
+    published by the Free Software Foundation; either version 2 of the
+    License, or (at your option) any later version.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+#include "MIDIFeatureWriter.h"
+
+using namespace std;
+using Vamp::Plugin;
+using Vamp::PluginBase;
+
+#include "base/Exceptions.h"
+#include "data/fileio/MIDIFileWriter.h"
+
+MIDIFeatureWriter::MIDIFeatureWriter() :
+    FileFeatureWriter(SupportOneFilePerTrackTransform |
+                      SupportOneFilePerTrack |
+                      SupportOneFileTotal,
+                      "mid")
+{
+}
+
+MIDIFeatureWriter::~MIDIFeatureWriter()
+{
+}
+
+MIDIFeatureWriter::ParameterList
+MIDIFeatureWriter::getSupportedParameters() const
+{
+    ParameterList pl = FileFeatureWriter::getSupportedParameters();
+    return pl;
+}
+
+void
+MIDIFeatureWriter::setParameters(map<string, string> &params)
+{
+    FileFeatureWriter::setParameters(params);
+}
+
+void
+MIDIFeatureWriter::setTrackMetadata(QString, TrackMetadata)
+{
+    cerr << "MIDIFeatureWriter::setTrackMetadata: not supported (yet?)" << endl;
+}
+
+void
+MIDIFeatureWriter::write(QString trackId,
+			 const Transform &transform,
+			 const Plugin::OutputDescriptor& output,
+			 const Plugin::FeatureList& features,
+			 std::string summaryType)
+{
+    QString filename = getOutputFilename(trackId, transform.getIdentifier());
+    if (filename == "") {
+	throw FailedToOpenOutputStream(trackId, transform.getIdentifier());
+    }
+
+    //!!! implement!
+}
+
+void
+MIDIFeatureWriter::finish()
+{
+    for (NoteMap::const_iterator i = m_notes.begin(); i != m_notes.end(); ++i) {
+
+	QString filename = i->first;
+	NoteList notes = i->second;
+	float rate = m_rates[filename];
+
+	TrivialNoteExportable exportable(notes);
+
+	{
+	    MIDIFileWriter writer(filename, &exportable, rate);
+	    if (!writer.isOK()) {
+		cerr << "ERROR: Failed to create MIDI writer: " 
+		     << writer.getError() << endl;
+		throw FileOperationFailed(filename, "create MIDI writer");
+	    }
+	    writer.write();
+	}
+    }
+}
+