annotate data/fileio/OggVorbisFileReader.h @ 1332:b1a7f4554400 svg

Implement "Export SVG file..."
author Chris Cannam
date Mon, 19 Dec 2016 16:32:34 +0000 (2016-12-19)
parents abc309f507ae
children 1c9bbbb6116a
rev   line source
Chris@148 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@148 2
Chris@148 3 /*
Chris@148 4 Sonic Visualiser
Chris@148 5 An audio file viewer and annotation editor.
Chris@148 6 Centre for Digital Music, Queen Mary, University of London.
Chris@148 7 This file copyright 2006 Chris Cannam.
Chris@148 8
Chris@148 9 This program is free software; you can redistribute it and/or
Chris@148 10 modify it under the terms of the GNU General Public License as
Chris@148 11 published by the Free Software Foundation; either version 2 of the
Chris@148 12 License, or (at your option) any later version. See the file
Chris@148 13 COPYING included with this distribution for more information.
Chris@148 14 */
Chris@148 15
Chris@148 16 #ifndef _OGG_VORBIS_FILE_READER_H_
Chris@148 17 #define _OGG_VORBIS_FILE_READER_H_
Chris@148 18
Chris@148 19 #ifdef HAVE_OGGZ
Chris@148 20 #ifdef HAVE_FISHSOUND
Chris@148 21
Chris@148 22 #include "CodedAudioFileReader.h"
Chris@148 23
Chris@263 24 #include "base/Thread.h"
Chris@148 25 #include <oggz/oggz.h>
Chris@148 26 #include <fishsound/fishsound.h>
Chris@148 27
Chris@157 28 #include <set>
Chris@157 29
Chris@392 30 class ProgressReporter;
Chris@148 31
Chris@148 32 class OggVorbisFileReader : public CodedAudioFileReader
Chris@148 33 {
Chris@392 34 Q_OBJECT
Chris@392 35
Chris@148 36 public:
Chris@317 37 OggVorbisFileReader(FileSource source,
Chris@297 38 DecodeMode decodeMode,
Chris@297 39 CacheMode cacheMode,
Chris@1040 40 sv_samplerate_t targetRate = 0,
Chris@920 41 bool normalised = false,
Chris@1097 42 ProgressReporter *reporter = nullptr);
Chris@148 43 virtual ~OggVorbisFileReader();
Chris@148 44
Chris@290 45 virtual QString getError() const { return m_error; }
Chris@290 46
Chris@345 47 virtual QString getLocation() const { return m_source.getLocation(); }
Chris@290 48 virtual QString getTitle() const { return m_title; }
Chris@333 49 virtual QString getMaker() const { return m_maker; }
Chris@633 50 virtual TagMap getTags() const { return m_tags; }
Chris@271 51
Chris@290 52 static void getSupportedExtensions(std::set<QString> &extensions);
Chris@316 53 static bool supportsExtension(QString ext);
Chris@316 54 static bool supportsContentType(QString type);
Chris@317 55 static bool supports(FileSource &source);
Chris@157 56
Chris@265 57 virtual int getDecodeCompletion() const { return m_completion; }
Chris@265 58
Chris@263 59 virtual bool isUpdating() const {
Chris@263 60 return m_decodeThread && m_decodeThread->isRunning();
Chris@263 61 }
Chris@263 62
Chris@392 63 public slots:
Chris@392 64 void cancelled();
Chris@392 65
Chris@148 66 protected:
Chris@317 67 FileSource m_source;
Chris@290 68 QString m_path;
Chris@290 69 QString m_error;
Chris@290 70 QString m_title;
Chris@333 71 QString m_maker;
Chris@633 72 TagMap m_tags;
Chris@148 73
Chris@263 74 OGGZ *m_oggz;
Chris@148 75 FishSound *m_fishSound;
Chris@392 76 ProgressReporter *m_reporter;
Chris@1043 77 sv_frame_t m_fileSize;
Chris@1043 78 sv_frame_t m_bytesRead;
Chris@271 79 bool m_commentsRead;
Chris@148 80 bool m_cancelled;
Chris@265 81 int m_completion;
Chris@148 82
Chris@620 83 static int readPacket(OGGZ *, ogg_packet *, long, void *);
Chris@148 84 static int acceptFrames(FishSound *, float **, long, void *);
Chris@263 85
Chris@263 86 class DecodeThread : public Thread
Chris@263 87 {
Chris@263 88 public:
Chris@263 89 DecodeThread(OggVorbisFileReader *reader) : m_reader(reader) { }
Chris@263 90 virtual void run();
Chris@263 91
Chris@263 92 protected:
Chris@263 93 OggVorbisFileReader *m_reader;
Chris@263 94 };
Chris@263 95
Chris@263 96 DecodeThread *m_decodeThread;
Chris@148 97 };
Chris@148 98
Chris@148 99 #endif
Chris@148 100 #endif
Chris@148 101
Chris@148 102 #endif