Mercurial > hg > svcore
view transform/FileFeatureWriter.h @ 1697:c077a97d055f single-point
Windows build fixes
author | Chris Cannam |
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date | Wed, 01 May 2019 21:39:37 +0100 |
parents | ad5f892c0c4d |
children |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Sonic Annotator A utility for batch feature extraction from audio files. Mark Levy, Chris Sutton and Chris Cannam, Queen Mary, University of London. Copyright 2007-2008 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. */ #ifndef SV_FILE_FEATURE_WRITER_H #define SV_FILE_FEATURE_WRITER_H #include <string> #include <map> #include <set> #include "FeatureWriter.h" using std::string; using std::map; using std::set; using std::pair; class QTextStream; class QTextCodec; class QFile; class FileFeatureWriter : public FeatureWriter { public: virtual ~FileFeatureWriter(); ParameterList getSupportedParameters() const override; void setParameters(map<string, string> ¶ms) override; void testOutputFile(QString trackId, TransformId transformId) override; void flush() override; void finish() override; protected: enum FileWriteSupport { SupportOneFilePerTrackTransform = 1, SupportOneFilePerTrack = 2, SupportOneFileTotal = 4, SupportStdOut = 8 }; FileFeatureWriter(int support, QString extension); QTextStream *getOutputStream(QString, TransformId, QTextCodec *); typedef pair<QString, TransformId> TrackTransformPair; typedef map<TrackTransformPair, QString> FileNameMap; typedef map<TrackTransformPair, QFile *> FileMap; typedef map<QFile *, QTextStream *> FileStreamMap; FileMap m_files; FileNameMap m_filenames; FileStreamMap m_streams; QTextStream *m_prevstream; TrackTransformPair getFilenameKey(QString, TransformId); // Come up with a suitable output filename for the given track ID - // transform ID combo. Fail if it already exists, etc. QString createOutputFilename(QString, TransformId); // Look up and return the output filename for the given track ID - // transform ID combo. QString getOutputFilename(QString, TransformId); // Look up and return the output file handle for the given track // ID - transform ID combo. Return 0 if it could not be opened. QFile *getOutputFile(QString, TransformId); // subclass can implement this to be called before file is opened for append virtual void reviewFileForAppending(QString) { } int m_support; QString m_extension; QString m_baseDir; bool m_manyFiles; QString m_singleFileName; bool m_stdout; bool m_append; bool m_force; }; #endif