1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
/********************************************************************
* libavio/include/GLWidget.h
*
* Copyright (c) 2022 Stephen Rhodes
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*********************************************************************/
#ifndef GLWIDGET_H
#define GLWIDGET_H
#include <QOpenGLWidget>
#include <QOpenGLFunctions>
#include <QOpenGLBuffer>
#include <QOpenGLShader>
#include <QTimer>
#include <iostream>
#include <functional>
#include "Queue.h"
#include "Frame.h"
#include "Reader.h"
QT_FORWARD_DECLARE_CLASS(QOpenGLShaderProgram)
QT_FORWARD_DECLARE_CLASS(QOpenGLTexture)
namespace avio
{
//QT_FORWARD_DECLARE_CLASS(Process)
class GLWidget : public QOpenGLWidget, protected QOpenGLFunctions
{
Q_OBJECT
public:
GLWidget();
~GLWidget();
void setZoomFactor(float);
void setPanX(float);
void setPanY(float);
void setFormat(QImage::Format);
void setVolume(int arg);
void setMute(bool arg);
bool isMute() { return mute; }
void togglePaused();
bool isPaused();
void updateAspectRatio();
void play(const QString& arg);
void stop();
float zoom_factor() { return factor; }
void showStreamParameters(avio::Reader* reader);
void toggle_pipe_out(const std::string& filename);
bool checkForStreamHeader(const char*);
static void start(void * parent);
QSize sizeHint() const override;
std::string vfq_in_name;
std::string vfq_out_name;
Queue<Frame>* vfq_in = nullptr;
Queue<Frame>* vfq_out = nullptr;
std::string video_in() const { return std::string(vfq_in_name); }
std::string video_out() const { return std::string(vfq_out_name); }
void set_video_in(const std::string& name) { vfq_in_name = std::string(name); }
void set_video_out(const std::string& name) { vfq_out_name = std::string(name); }
int poll_interval = 1;
int tex_width = 0;
int tex_height = 0;
bool maintain_aspect_ratio = true;
long media_duration = 0;
long media_start_time = 0;
bool running = false;
bool disable_audio = false;
int keyframe_cache_size = 1;
int vpq_size = 0;
int apq_size = 0;
std::string mediaShortName;
AVHWDeviceType hardwareDecoder = AV_HWDEVICE_TYPE_NONE;
void* process = nullptr;
Reader* get_reader();
bool python_enabled = false;
std::string python_dir;
std::string python_file;
std::string python_class;
std::string python_args;
std::function<int(const std::string&, const std::string&, const std::string&, const std::string&)> initPy = nullptr;
std::function<bool(avio::Frame&)> runPy = nullptr;
bool pyInitialized = false;
signals:
void timerStart();
void timerStop();
void cameraTimeout();
void connectFailed(const QString&);
void openWriterFailed(const std::string&);
void msg(const QString&);
void progress(float);
void mediaPlayingFinished();
void mediaPlayingStarted();
public slots:
void poll();
void seek(float);
protected:
void initializeGL() override;
void paintGL() override;
void resizeGL(int width, int height) override;
private:
QOpenGLTexture *texture = nullptr;
QOpenGLShaderProgram *program = nullptr;
QOpenGLBuffer vbo;
QOpenGLShader *vshader;
QOpenGLShader *fshader;
Frame f;
std::mutex mutex;
float zoom = 1.0f;
float factor = 1.0f;
float aspect = 1.0f;
float pan_x = 0.0f;
float pan_y = 0.0f;
int volume = 100;
bool mute = false;
QImage::Format fmt = QImage::Format_RGB888;
char uri[1024];
QTimer *timer;
};
}
#endif
|
