chiaki/gui/include/avopenglwidget.h
2019-08-20 18:36:58 +02:00

77 lines
1.7 KiB
C++

/*
* This file is part of Chiaki.
*
* Chiaki 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 3 of the License, or
* (at your option) any later version.
*
* Chiaki 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Chiaki. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef CHIAKI_AVOPENGLWIDGET_H
#define CHIAKI_AVOPENGLWIDGET_H
#include <chiaki/log.h>
#include <QOpenGLWidget>
#include <QMutex>
extern "C"
{
#include <libavcodec/avcodec.h>
}
class VideoDecoder;
class AVOpenGLFrameUploader;
struct AVOpenGLFrame
{
GLuint pbo[3];
GLuint tex[3];
unsigned int width;
unsigned int height;
bool Update(AVFrame *frame, ChiakiLog *log);
};
class AVOpenGLWidget: public QOpenGLWidget
{
Q_OBJECT
private:
VideoDecoder *decoder;
GLuint program;
GLuint vbo;
GLuint vao;
AVOpenGLFrame frames[2];
int frame_fg;
QMutex frames_mutex;
QOpenGLContext *frame_uploader_context;
AVOpenGLFrameUploader *frame_uploader;
QThread *frame_uploader_thread;
public:
static QSurfaceFormat CreateSurfaceFormat();
explicit AVOpenGLWidget(VideoDecoder *decoder, QWidget *parent = nullptr);
~AVOpenGLWidget() override;
void SwapFrames();
AVOpenGLFrame *GetBackgroundFrame() { return &frames[1 - frame_fg]; }
protected:
void initializeGL() override;
void paintGL() override;
};
#endif // CHIAKI_AVOPENGLWIDGET_H