view data/fileio/DecodingWavFileReader.h @ 1310:aa1b1fc2d018 mp3-gapless

Stop reporting sync errors only when we really are at eof, i.e. after the input callback has been called again (previously we just tested whether we'd buffered up all the input, which of course we do in one go at the start)

/* -*- 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 2007 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 _DECODING_WAV_FILE_READER_H_
#define _DECODING_WAV_FILE_READER_H_

#include "CodedAudioFileReader.h"

#include "base/Thread.h"

#include <set>

class WavFileReader;
class ProgressReporter;

class DecodingWavFileReader : public CodedAudioFileReader
{
    Q_OBJECT
public:
    DecodingWavFileReader(FileSource source,
                          DecodeMode decodeMode, // determines when to resample
                          CacheMode cacheMode,
                          sv_samplerate_t targetRate = 0,
                          bool normalised = false,
                          ProgressReporter *reporter = 0);
    virtual ~DecodingWavFileReader();

    virtual QString getError() const { return m_error; }
    virtual QString getLocation() const { return m_source.getLocation(); }
    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;
    bool m_cancelled;
    sv_frame_t m_processed;
    int m_completion;

    WavFileReader *m_original;
    ProgressReporter *m_reporter;

    void addBlock(const std::vector<float> &frames);
    
    class DecodeThread : public Thread
    {
    public:
        DecodeThread(DecodingWavFileReader *reader) : m_reader(reader) { }
        virtual void run();

    protected:
        DecodingWavFileReader *m_reader;
    };

    DecodeThread *m_decodeThread;
};

#endif