Files
fmviewer3/project/fm_viewer/fav/Frame.h
2026-02-21 17:11:31 +09:00

112 lines
3.8 KiB
C++

/******************************************************************************
QtAV: Multimedia framework based on Qt and FFmpeg
Copyright (C) 2012-2016 Wang Bin <wbsecg1@gmail.com>
* This file is part of QtAV
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
******************************************************************************/
#ifndef QTAV_FRAME_H
#define QTAV_FRAME_H
#include "_fav_constants.h"
#include <QtCore/QVariant>
#include <QtCore/QSharedData>
// TODO: fromAVFrame() asAVFrame()?
namespace FAV {
class FramePrivate;
class Q_AV_EXPORT Frame
{
Q_DECLARE_PRIVATE(Frame)
public:
Frame(const Frame& other);
virtual ~Frame() = 0;
Frame& operator =(const Frame &other);
#if (PLAY_BREAK_EOF_FRAME)
bool _isEOF;
bool isEOF() const;
void setEOF(); // 최종 프레임으로 지정
#endif // PLAY_BREAK_EOF_FRAME
/*!
* \brief planeCount
* a decoded frame can be packed and planar. packed format has only 1 plane, while planar
* format has more than 1 plane. For audio, the number plane equals channel count. For
* video, rgb is 1 plane, yuv420p is 3 plane, p means planar
* \param plane default is the first plane
* \return
*/
int planeCount() const;
/*!
* \brief channelCount
* for audio, channel count equals plane count
* for video, channels >= planes
* \return
*/
virtual int channelCount() const;
/*!
* \brief bytesPerLine
* For video, it's size of each picture line. For audio, it's the whole size of plane
* \param plane
* \return line size of plane
*/
int bytesPerLine(int plane = 0) const;
// the whole frame data. may be empty unless clone() or allocate is called
QByteArray frameData() const;
// deep copy 1 plane data
QByteArray data(int plane = 0) const;
uchar* bits(int plane = 0);
const uchar *bits(int plane = 0) const { return constBits(plane);}
const uchar* constBits(int plane = 0) const;
/*!
* \brief setBits
* does nothing if plane is invalid. if given array size is greater than planeCount(), only planeCount() elements is used
* \param b slice
* \param plane color/audio channel
*/
// TODO: const?
void setBits(uchar *b, int plane = 0);
void setBits(const QVector<uchar*>& b);
void setBits(quint8 *slice[]);
/*!
* \brief setBytesPerLine
* does nothing if plane is invalid. if given array size is greater than planeCount(), only planeCount() elements is used
*/
void setBytesPerLine(int lineSize, int plane = 0);
void setBytesPerLine(const QVector<int>& lineSize);
void setBytesPerLine(int stride[]);
QVariantMap availableMetaData() const;
QVariant metaData(const QString& key) const;
void setMetaData(const QString &key, const QVariant &value);
void setPTS(qreal ts);
qreal pts() const;
void setDuration(qreal duration);
qreal duration() const;
inline void swap(Frame &other) { qSwap(d_ptr, other.d_ptr); }
protected:
Frame(FramePrivate *d);
QExplicitlySharedDataPointer<FramePrivate> d_ptr;
};
} //namespace FAV
#endif // QTAV_FRAME_H