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

76 lines
2.4 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 (from 2014)
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_VIDEODECODERFFMPEGBASE_H
#define QTAV_VIDEODECODERFFMPEGBASE_H
#include "VideoDecoder.h"
#include "AVDecoder_p.h"
#include "AVCompat.h"
namespace FAV {
class VideoDecoderFFmpegBasePrivate;
class VideoDecoderFFmpegBase : public VideoDecoder
{
Q_DISABLE_COPY(VideoDecoderFFmpegBase)
DPTR_DECLARE_PRIVATE(VideoDecoderFFmpegBase)
public:
#if (PLAY_SYNC_FIX2)
virtual bool send(const Packet* packet) Q_DECL_OVERRIDE;
virtual bool receive() Q_DECL_OVERRIDE;
#endif // PLAY_SYNC_FIX2
virtual bool decode(const Packet& packet) Q_DECL_OVERRIDE;
protected:
VideoDecoderFFmpegBase(VideoDecoderFFmpegBasePrivate &d);
private:
VideoDecoderFFmpegBase(); //it's a base class
};
class VideoDecoderFFmpegBasePrivate : public VideoDecoderPrivate
{
public:
VideoDecoderFFmpegBasePrivate()
: VideoDecoderPrivate()
, frame(0)
, width(0)
, height(0)
{
avcodec_register_all();
frame = av_frame_alloc();
}
virtual ~VideoDecoderFFmpegBasePrivate() {
if (frame) {
av_frame_free(&frame);
frame = 0;
}
}
void updateColorDetails(VideoFrame* f);
qreal getDAR(AVFrame *f);
AVFrame *frame; //set once and not change
int width, height; //The current decoded frame size
};
} //namespace FAV
#endif // QTAV_VIDEODECODERFFMPEGBASE_H