Mercurial > hg > svcore
view data/fileio/WavFileReader.h @ 1114:e80abd659922 3.0-integration
Merge from default branch
author | Chris Cannam |
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date | Tue, 07 Jul 2015 17:39:06 +0100 |
parents | 4d9816ba0ebe |
children | 54af1e21705c |
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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. Centre for Digital Music, Queen Mary, University of London. This file copyright 2006 Chris Cannam. 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 _WAV_FILE_READER_H_ #define _WAV_FILE_READER_H_ #include "AudioFileReader.h" #include <sndfile.h> #include <QMutex> #include <set> /** * Reader for audio files using libsndfile. * * This is typically intended for seekable file types that can be read * directly (e.g. WAV, AIFF etc). * * Compressed files supported by libsndfile (e.g. Ogg, FLAC) should * normally be read using DecodingWavFileReader instead (which decodes * to an intermediate cached file). */ class WavFileReader : public AudioFileReader { public: WavFileReader(FileSource source, bool fileUpdating = false); virtual ~WavFileReader(); virtual QString getLocation() const { return m_source.getLocation(); } virtual QString getError() const { return m_error; } virtual QString getLocalFilename() const { return m_path; } virtual bool isQuicklySeekable() const { return m_seekable; } /** * Must be safe to call from multiple threads with different * arguments on the same object at the same time. */ virtual std::vector<float> getInterleavedFrames(sv_frame_t start, sv_frame_t count) const; static void getSupportedExtensions(std::set<QString> &extensions); static bool supportsExtension(QString ext); static bool supportsContentType(QString type); static bool supports(FileSource &source); virtual int getDecodeCompletion() const { return 100; } bool isUpdating() const { return m_updating; } void updateFrameCount(); void updateDone(); protected: SF_INFO m_fileInfo; SNDFILE *m_file; FileSource m_source; QString m_path; QString m_error; bool m_seekable; mutable QMutex m_mutex; mutable std::vector<float> m_buffer; mutable sv_frame_t m_lastStart; mutable sv_frame_t m_lastCount; bool m_updating; }; #endif