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
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/*
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "webrtc/engine_configurations.h"
#if defined(CARBON_RENDERING)
#ifndef WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_MAC_VIDEO_RENDER_AGL_H_
#define WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_MAC_VIDEO_RENDER_AGL_H_
#include "webrtc/base/platform_thread.h"
#include "webrtc/modules/video_render/video_render_defines.h"
#define NEW_HIVIEW_PARENT_EVENT_HANDLER 1
#define NEW_HIVIEW_EVENT_HANDLER 1
#define USE_STRUCT_RGN
#include <AGL/agl.h>
#include <Carbon/Carbon.h>
#include <OpenGL/OpenGL.h>
#include <OpenGL/glext.h>
#include <OpenGL/glu.h>
#include <list>
#include <map>
class VideoRenderAGL;
namespace webrtc {
class CriticalSectionWrapper;
class EventWrapper;
class VideoChannelAGL : public VideoRenderCallback {
public:
VideoChannelAGL(AGLContext& aglContext, int iId, VideoRenderAGL* owner);
virtual ~VideoChannelAGL();
virtual int FrameSizeChange(int width, int height, int numberOfStreams);
virtual int DeliverFrame(const VideoFrame& videoFrame);
virtual int UpdateSize(int width, int height);
int SetStreamSettings(int streamId, float startWidth, float startHeight,
float stopWidth, float stopHeight);
int SetStreamCropSettings(int streamId, float startWidth, float startHeight,
float stopWidth, float stopHeight);
int RenderOffScreenBuffer();
int IsUpdated(bool& isUpdated);
virtual int UpdateStretchSize(int stretchHeight, int stretchWidth);
virtual int32_t RenderFrame(const uint32_t streamId, VideoFrame& videoFrame);
private:
AGLContext _aglContext;
int _id;
VideoRenderAGL* _owner;
int _width;
int _height;
int _stretchedWidth;
int _stretchedHeight;
float _startHeight;
float _startWidth;
float _stopWidth;
float _stopHeight;
int _xOldWidth;
int _yOldHeight;
int _oldStretchedHeight;
int _oldStretchedWidth;
unsigned char* _buffer;
size_t _bufferSize;
size_t _incomingBufferSize;
bool _bufferIsUpdated;
bool _sizeInitialized;
int _numberOfStreams;
bool _bVideoSizeStartedChanging;
GLenum _pixelFormat;
GLenum _pixelDataType;
unsigned int _texture;
};
class VideoRenderAGL {
public:
VideoRenderAGL(WindowRef windowRef, bool fullscreen, int iId);
VideoRenderAGL(HIViewRef windowRef, bool fullscreen, int iId);
~VideoRenderAGL();
int Init();
VideoChannelAGL* CreateAGLChannel(int channel, int zOrder, float startWidth,
float startHeight, float stopWidth,
float stopHeight);
VideoChannelAGL* ConfigureAGLChannel(int channel, int zOrder,
float startWidth, float startHeight,
float stopWidth, float stopHeight);
int DeleteAGLChannel(int channel);
int DeleteAllAGLChannels();
int StopThread();
bool IsFullScreen();
bool HasChannels();
bool HasChannel(int channel);
int GetChannels(std::list<int>& channelList);
void LockAGLCntx();
void UnlockAGLCntx();
static int GetOpenGLVersion(int& aglMajor, int& aglMinor);
// ********** new module functions ************ //
int ChangeWindow(void* newWindowRef);
int32_t StartRender();
int32_t StopRender();
int32_t DeleteAGLChannel(const uint32_t streamID);
int32_t GetChannelProperties(const uint16_t streamId, uint32_t& zOrder,
float& left, float& top, float& right,
float& bottom);
protected:
static bool ScreenUpdateThreadProc(void* obj);
bool ScreenUpdateProcess();
int GetWindowRect(Rect& rect);
private:
int CreateMixingContext();
int RenderOffScreenBuffers();
int SwapAndDisplayBuffers();
int UpdateClipping();
int CalculateVisibleRegion(ControlRef control, RgnHandle& visibleRgn,
bool clipChildren);
bool CheckValidRegion(RgnHandle rHandle);
void ParentWindowResized(WindowRef window);
// Carbon GUI event handlers
static pascal OSStatus sHandleWindowResized(
EventHandlerCallRef nextHandler, EventRef theEvent, void* userData);
static pascal OSStatus sHandleHiViewResized(
EventHandlerCallRef nextHandler, EventRef theEvent, void* userData);
HIViewRef _hiviewRef;
WindowRef _windowRef;
bool _fullScreen;
int _id;
webrtc::CriticalSectionWrapper& _renderCritSec;
// TODO(pbos): Remove scoped_ptr and use PlatformThread directly.
rtc::scoped_ptr<rtc::PlatformThread> _screenUpdateThread;
webrtc::EventWrapper* _screenUpdateEvent;
bool _isHIViewRef;
AGLContext _aglContext;
int _windowWidth;
int _windowHeight;
int _lastWindowWidth;
int _lastWindowHeight;
int _lastHiViewWidth;
int _lastHiViewHeight;
int _currentParentWindowHeight;
int _currentParentWindowWidth;
Rect _currentParentWindowBounds;
bool _windowHasResized;
Rect _lastParentWindowBounds;
Rect _currentHIViewBounds;
Rect _lastHIViewBounds;
Rect _windowRect;
std::map<int, VideoChannelAGL*> _aglChannels;
std::multimap<int, int> _zOrderToChannel;
EventHandlerRef _hiviewEventHandlerRef;
EventHandlerRef _windowEventHandlerRef;
HIRect _currentViewBounds;
HIRect _lastViewBounds;
bool _renderingIsPaused;
};
} // namespace webrtc
#endif // WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_MAC_VIDEO_RENDER_AGL_H_
#endif // CARBON_RENDERING
|
