Mercurial > hg > svcore
view data/model/WritableWaveFileModel.h @ 239:71f869dac40b
* Further fixes for Vamp API change, and update to support API versioning
* Add plugin, output and parameter descriptions to GUI
* Avoid squished panner in heads-up-display on pane when time-value or note
layer is on top
author | Chris Cannam |
---|---|
date | Tue, 27 Feb 2007 12:51:38 +0000 |
parents | 185454896a76 |
children | 7b96b3bd4bae |
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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(size_t sampleRate, size_t 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, size_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; } size_t getFrameCount() const; size_t getChannelCount() const { return m_channels; } size_t getSampleRate() const { return m_sampleRate; } virtual Model *clone() const; float getValueMinimum() const { return -1.0f; } float getValueMaximum() const { return 1.0f; } virtual size_t getStartFrame() const { return 0; } virtual size_t getEndFrame() const { return getFrameCount(); } virtual size_t getValues(int channel, size_t start, size_t end, float *buffer) const; virtual size_t getValues(int channel, size_t start, size_t end, double *buffer) const; virtual void getRanges(size_t channel, size_t start, size_t end, RangeBlock &ranges, size_t &blockSize) const; virtual Range getRange(size_t channel, size_t start, size_t end) const; virtual void toXml(QTextStream &out, QString indent = "", QString extraAttributes = "") const; virtual QString toXmlString(QString indent = "", QString extraAttributes = "") const; protected: WaveFileModel *m_model; WavFileWriter *m_writer; WavFileReader *m_reader; size_t m_sampleRate; size_t m_channels; size_t m_frameCount; int m_completion; }; #endif