1 /***************************************************************************
2 * Copyright (C) 2010 by Simon Andreas Eugster (simon.eu@gmail.com) *
3 * This file is part of kdenlive. See www.kdenlive.org. *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
9 ***************************************************************************/
11 #ifndef ABSTRACTAUDIOSCOPEWIDGET_H
12 #define ABSTRACTAUDIOSCOPEWIDGET_H
20 #include "abstractscopewidget.h"
27 class AbstractAudioScopeWidget : public AbstractScopeWidget
31 AbstractAudioScopeWidget(bool trackMouse = false, QWidget *parent = 0);
32 virtual ~AbstractAudioScopeWidget();
35 /** @brief This is just a wrapper function, subclasses can use renderAudioScope. */
36 virtual QImage renderScope(uint accelerationFactor);
38 ///// Unimplemented Methods /////
39 /** @brief Scope renderer. Must emit signalScopeRenderingFinished()
40 when calculation has finished, to allow multi-threading.
41 accelerationFactor hints how much faster than usual the calculation should be accomplished, if possible. */
42 virtual QImage renderAudioScope(uint accelerationFactor,
43 const QVector<int16_t> audioFrame, const int freq, const int num_channels, const int num_samples,
44 const int newData) = 0;
51 QVector<int16_t> m_audioFrame;
55 void slotReceiveAudio(const QVector<int16_t>& sampleData, int freq, int num_channels, int num_samples);
59 #endif // ABSTRACTAUDIOSCOPEWIDGET_H