Mercurial > hg > svcore
view data/fileio/AudioFileReader.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 (2007-02-27) |
parents | 570794f6f6a7 |
children | e08f486e8d8c |
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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 Chris Cannam. 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 _AUDIO_FILE_READER_H_ #define _AUDIO_FILE_READER_H_ #include <QString> #include "model/Model.h" // for SampleBlock class AudioFileReader : public QObject { Q_OBJECT public: virtual ~AudioFileReader() { } bool isOK() const { return (m_channelCount > 0); } virtual QString getError() const { return ""; } size_t getFrameCount() const { return m_frameCount; } size_t getChannelCount() const { return m_channelCount; } size_t getSampleRate() const { return m_sampleRate; } /** * The subclass implementations of this function must be * thread-safe -- that is, safe to call from multiple threads with * different arguments on the same object at the same time. */ virtual void getInterleavedFrames(size_t start, size_t count, SampleBlock &frames) const = 0; virtual bool isUpdating() const { return false; } signals: void frameCountChanged(); protected: size_t m_frameCount; size_t m_channelCount; size_t m_sampleRate; }; #endif