Mercurial > hg > svcore
view data/model/WritableWaveFileModel.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 | efea94b04d5a |
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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 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 _WRITABLE_WAVE_FILE_MODEL_H_ #define _WRITABLE_WAVE_FILE_MODEL_H_ #include "WaveFileModel.h" class WavFileWriter; class WavFileReader; class WritableWaveFileModel : public RangeSummarisableTimeValueModel { Q_OBJECT public: WritableWaveFileModel(sv_samplerate_t sampleRate, int channels, QString path = ""); ~WritableWaveFileModel(); /** * Call addSamples to append a block of samples to the end of the * file. Caller should also call setCompletion to update the * progress of this file, if it has a known end point, and should * call setCompletion(100) when the file has been written. */ virtual bool addSamples(float **samples, sv_frame_t count); bool isOK() const; bool isReady(int *) const; virtual void setCompletion(int completion); // percentage virtual int getCompletion() const { return m_completion; } const ZoomConstraint *getZoomConstraint() const { static PowerOfSqrtTwoZoomConstraint zc; return &zc; } sv_frame_t getFrameCount() const; int getChannelCount() const { return m_channels; } sv_samplerate_t getSampleRate() const { return m_sampleRate; } float getValueMinimum() const { return -1.0f; } float getValueMaximum() const { return 1.0f; } virtual sv_frame_t getStartFrame() const { return m_startFrame; } virtual sv_frame_t getEndFrame() const { return m_startFrame + getFrameCount(); } void setStartFrame(sv_frame_t startFrame); virtual std::vector<float> getData(int channel, sv_frame_t start, sv_frame_t count) const; virtual std::vector<std::vector<float>> getMultiChannelData(int fromchannel, int tochannel, sv_frame_t start, sv_frame_t count) const; virtual int getSummaryBlockSize(int desired) const; virtual void getSummaries(int channel, sv_frame_t start, sv_frame_t count, RangeBlock &ranges, int &blockSize) const; virtual Range getSummary(int channel, sv_frame_t start, sv_frame_t count) const; QString getTypeName() const { return tr("Writable Wave File"); } virtual void toXml(QTextStream &out, QString indent = "", QString extraAttributes = "") const; protected: WaveFileModel *m_model; WavFileWriter *m_writer; WavFileReader *m_reader; sv_samplerate_t m_sampleRate; int m_channels; sv_frame_t m_frameCount; sv_frame_t m_startFrame; int m_completion; }; #endif