78 lines
2.7 KiB
C++
78 lines
2.7 KiB
C++
/******************************************************************************
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QtAV: Multimedia framework based on Qt and FFmpeg
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Copyright (C) 2012-2016 Wang Bin <wbsecg1@gmail.com>
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* This file is part of QtAV
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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******************************************************************************/
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#ifndef QTAV_AUDIOFRAME_H
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#define QTAV_AUDIOFRAME_H
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#include "Frame.h"
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#include "AudioFormat.h"
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namespace FAV {
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class AudioResampler;
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class AudioFramePrivate;
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class Q_AV_EXPORT AudioFrame : public Frame
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{
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Q_DECLARE_PRIVATE(AudioFrame)
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public:
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//data must be complete
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/*!
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* \brief AudioFrame
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* construct an audio frame from a given buffer and format
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*/
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AudioFrame(const AudioFormat& format = AudioFormat(), const QByteArray& data = QByteArray());
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AudioFrame(const AudioFrame &other);
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virtual ~AudioFrame();
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AudioFrame &operator =(const AudioFrame &other);
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bool isValid() const;
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operator bool() const { return isValid();}
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/*!
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* \brief data
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* Audio data. clone is called if frame is not constructed with a QByteArray.
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* \return
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*/
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QByteArray data();
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virtual int channelCount() const;
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/*!
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* Deep copy. If you want to copy data from somewhere, knowing the format, width and height,
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* then you can use clone().
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*/
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AudioFrame clone() const;
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AudioFormat format() const;
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void setSamplesPerChannel(int samples);
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// may change after resampling
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int samplesPerChannel() const;
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AudioFrame to(const AudioFormat& fmt) const;
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//AudioResamplerId
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void setAudioResampler(AudioResampler *conv); //TODO: remove
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/*!
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Returns the number of microseconds represented by \a bytes in this format.
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Returns 0 if this format is not valid.
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Note that some rounding may occur if \a bytes is not an exact multiple
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of the number of bytes per frame.
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*/
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qint64 duration() const;
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};
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} //namespace FAV
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Q_DECLARE_METATYPE(FAV::AudioFrame)
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#endif // QTAV_AUDIOFRAME_H
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