annotate data/fileio/DecodingWavFileReader.h @ 1440:04caefd35391 streaming-csv-writer

Add failing test for non zero selection start
author Lucas Thompson <dev@lucas.im>
date Tue, 17 Apr 2018 10:03:50 +0100
parents 54af1e21705c
children c01cbe41aeb5 f8e3dcbafb4d
rev   line source
Chris@297 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@297 2
Chris@297 3 /*
Chris@297 4 Sonic Visualiser
Chris@297 5 An audio file viewer and annotation editor.
Chris@297 6 Centre for Digital Music, Queen Mary, University of London.
Chris@297 7 This file copyright 2007 QMUL.
Chris@297 8
Chris@297 9 This program is free software; you can redistribute it and/or
Chris@297 10 modify it under the terms of the GNU General Public License as
Chris@297 11 published by the Free Software Foundation; either version 2 of the
Chris@297 12 License, or (at your option) any later version. See the file
Chris@297 13 COPYING included with this distribution for more information.
Chris@297 14 */
Chris@297 15
Chris@823 16 #ifndef _DECODING_WAV_FILE_READER_H_
Chris@823 17 #define _DECODING_WAV_FILE_READER_H_
Chris@297 18
Chris@297 19 #include "CodedAudioFileReader.h"
Chris@297 20
Chris@297 21 #include "base/Thread.h"
Chris@297 22
Chris@297 23 #include <set>
Chris@297 24
Chris@297 25 class WavFileReader;
Chris@392 26 class ProgressReporter;
Chris@297 27
Chris@823 28 class DecodingWavFileReader : public CodedAudioFileReader
Chris@297 29 {
Chris@392 30 Q_OBJECT
Chris@297 31 public:
Chris@823 32 DecodingWavFileReader(FileSource source,
Chris@1097 33 DecodeMode decodeMode, // determines when to resample
Chris@920 34 CacheMode cacheMode,
Chris@1040 35 sv_samplerate_t targetRate = 0,
Chris@920 36 bool normalised = false,
Chris@920 37 ProgressReporter *reporter = 0);
Chris@823 38 virtual ~DecodingWavFileReader();
Chris@297 39
Chris@297 40 virtual QString getError() const { return m_error; }
Chris@345 41 virtual QString getLocation() const { return m_source.getLocation(); }
Chris@297 42 static void getSupportedExtensions(std::set<QString> &extensions);
Chris@316 43 static bool supportsExtension(QString ext);
Chris@316 44 static bool supportsContentType(QString type);
Chris@317 45 static bool supports(FileSource &source);
Chris@297 46
Chris@297 47 virtual int getDecodeCompletion() const { return m_completion; }
Chris@297 48
Chris@297 49 virtual bool isUpdating() const {
Chris@297 50 return m_decodeThread && m_decodeThread->isRunning();
Chris@297 51 }
Chris@297 52
Chris@392 53 public slots:
Chris@392 54 void cancelled();
Chris@392 55
Chris@297 56 protected:
Chris@317 57 FileSource m_source;
Chris@297 58 QString m_path;
Chris@297 59 QString m_error;
Chris@297 60 bool m_cancelled;
Chris@1038 61 sv_frame_t m_processed;
Chris@297 62 int m_completion;
Chris@297 63
Chris@297 64 WavFileReader *m_original;
Chris@392 65 ProgressReporter *m_reporter;
Chris@297 66
Chris@1326 67 void addBlock(const floatvec_t &frames);
Chris@297 68
Chris@297 69 class DecodeThread : public Thread
Chris@297 70 {
Chris@297 71 public:
Chris@823 72 DecodeThread(DecodingWavFileReader *reader) : m_reader(reader) { }
Chris@297 73 virtual void run();
Chris@297 74
Chris@297 75 protected:
Chris@823 76 DecodingWavFileReader *m_reader;
Chris@297 77 };
Chris@297 78
Chris@297 79 DecodeThread *m_decodeThread;
Chris@297 80 };
Chris@297 81
Chris@297 82 #endif
Chris@297 83