Mercurial > hg > svcore
view data/fileio/OggVorbisFileReader.h @ 749:0f8a6dda8ac1
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author | Chris Cannam |
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date | Mon, 03 Sep 2012 11:10:51 +0100 |
parents | 7feec7756b41 |
children | f3cda3280398 59e7fe1b1003 |
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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 _OGG_VORBIS_FILE_READER_H_ #define _OGG_VORBIS_FILE_READER_H_ #ifdef HAVE_OGGZ #ifdef HAVE_FISHSOUND #include "CodedAudioFileReader.h" #include "base/Thread.h" #include <oggz/oggz.h> #include <fishsound/fishsound.h> #include <set> class ProgressReporter; class OggVorbisFileReader : public CodedAudioFileReader { Q_OBJECT public: enum DecodeMode { DecodeAtOnce, // decode the file on construction, with progress DecodeThreaded // decode in a background thread after construction }; OggVorbisFileReader(FileSource source, DecodeMode decodeMode, CacheMode cacheMode, size_t targetRate = 0, ProgressReporter *reporter = 0); virtual ~OggVorbisFileReader(); virtual QString getError() const { return m_error; } virtual QString getLocation() const { return m_source.getLocation(); } virtual QString getTitle() const { return m_title; } virtual QString getMaker() const { return m_maker; } virtual TagMap getTags() const { return m_tags; } 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 m_completion; } virtual bool isUpdating() const { return m_decodeThread && m_decodeThread->isRunning(); } public slots: void cancelled(); protected: FileSource m_source; QString m_path; QString m_error; QString m_title; QString m_maker; TagMap m_tags; OGGZ *m_oggz; FishSound *m_fishSound; ProgressReporter *m_reporter; size_t m_fileSize; size_t m_bytesRead; bool m_commentsRead; bool m_cancelled; int m_completion; static int readPacket(OGGZ *, ogg_packet *, long, void *); static int acceptFrames(FishSound *, float **, long, void *); class DecodeThread : public Thread { public: DecodeThread(OggVorbisFileReader *reader) : m_reader(reader) { } virtual void run(); protected: OggVorbisFileReader *m_reader; }; DecodeThread *m_decodeThread; }; #endif #endif #endif