1 /* 2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #include "webrtc/engine_configurations.h" 12 13 #if defined(CARBON_RENDERING) 14 15 #ifndef WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_MAC_VIDEO_RENDER_AGL_H_ 16 #define WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_MAC_VIDEO_RENDER_AGL_H_ 17 18 #include "webrtc/modules/video_render/include/video_render_defines.h" 19 20 #define NEW_HIVIEW_PARENT_EVENT_HANDLER 1 21 #define NEW_HIVIEW_EVENT_HANDLER 1 22 #define USE_STRUCT_RGN 23 24 #include <AGL/agl.h> 25 #include <Carbon/Carbon.h> 26 #include <OpenGL/OpenGL.h> 27 #include <OpenGL/glext.h> 28 #include <OpenGL/glu.h> 29 #include <list> 30 #include <map> 31 32 class VideoRenderAGL; 33 34 namespace webrtc { 35 class CriticalSectionWrapper; 36 class EventWrapper; 37 class ThreadWrapper; 38 39 class VideoChannelAGL : public VideoRenderCallback { 40 public: 41 42 VideoChannelAGL(AGLContext& aglContext, int iId, VideoRenderAGL* owner); 43 virtual ~VideoChannelAGL(); 44 virtual int FrameSizeChange(int width, int height, int numberOfStreams); 45 virtual int DeliverFrame(const I420VideoFrame& videoFrame); 46 virtual int UpdateSize(int width, int height); 47 int SetStreamSettings(int streamId, float startWidth, float startHeight, 48 float stopWidth, float stopHeight); 49 int SetStreamCropSettings(int streamId, float startWidth, float startHeight, 50 float stopWidth, float stopHeight); 51 int RenderOffScreenBuffer(); 52 int IsUpdated(bool& isUpdated); 53 virtual int UpdateStretchSize(int stretchHeight, int stretchWidth); 54 virtual int32_t RenderFrame(const uint32_t streamId, 55 I420VideoFrame& videoFrame); 56 57 private: 58 59 AGLContext _aglContext; 60 int _id; 61 VideoRenderAGL* _owner; 62 int _width; 63 int _height; 64 int _stretchedWidth; 65 int _stretchedHeight; 66 float _startHeight; 67 float _startWidth; 68 float _stopWidth; 69 float _stopHeight; 70 int _xOldWidth; 71 int _yOldHeight; 72 int _oldStretchedHeight; 73 int _oldStretchedWidth; 74 unsigned char* _buffer; 75 int _bufferSize; 76 int _incommingBufferSize; 77 bool _bufferIsUpdated; 78 bool _sizeInitialized; 79 int _numberOfStreams; 80 bool _bVideoSizeStartedChanging; 81 GLenum _pixelFormat; 82 GLenum _pixelDataType; 83 unsigned int _texture; 84 }; 85 86 class VideoRenderAGL { 87 public: 88 VideoRenderAGL(WindowRef windowRef, bool fullscreen, int iId); 89 VideoRenderAGL(HIViewRef windowRef, bool fullscreen, int iId); 90 ~VideoRenderAGL(); 91 92 int Init(); 93 VideoChannelAGL* CreateAGLChannel(int channel, int zOrder, float startWidth, 94 float startHeight, float stopWidth, 95 float stopHeight); 96 VideoChannelAGL* ConfigureAGLChannel(int channel, int zOrder, 97 float startWidth, float startHeight, 98 float stopWidth, float stopHeight); 99 int DeleteAGLChannel(int channel); 100 int DeleteAllAGLChannels(); 101 int StopThread(); 102 bool IsFullScreen(); 103 bool HasChannels(); 104 bool HasChannel(int channel); 105 int GetChannels(std::list<int>& channelList); 106 void LockAGLCntx(); 107 void UnlockAGLCntx(); 108 109 static int GetOpenGLVersion(int& aglMajor, int& aglMinor); 110 111 // ********** new module functions ************ // 112 int ChangeWindow(void* newWindowRef); 113 int32_t ChangeUniqueID(int32_t id); 114 int32_t StartRender(); 115 int32_t StopRender(); 116 int32_t DeleteAGLChannel(const uint32_t streamID); 117 int32_t GetChannelProperties(const uint16_t streamId, uint32_t& zOrder, 118 float& left, float& top, float& right, 119 float& bottom); 120 121 protected: 122 static bool ScreenUpdateThreadProc(void* obj); 123 bool ScreenUpdateProcess(); 124 int GetWindowRect(Rect& rect); 125 126 private: 127 int CreateMixingContext(); 128 int RenderOffScreenBuffers(); 129 int SwapAndDisplayBuffers(); 130 int UpdateClipping(); 131 int CalculateVisibleRegion(ControlRef control, RgnHandle& visibleRgn, 132 bool clipChildren); 133 bool CheckValidRegion(RgnHandle rHandle); 134 void ParentWindowResized(WindowRef window); 135 136 // Carbon GUI event handlers 137 static pascal OSStatus sHandleWindowResized( 138 EventHandlerCallRef nextHandler, EventRef theEvent, void* userData); 139 static pascal OSStatus sHandleHiViewResized( 140 EventHandlerCallRef nextHandler, EventRef theEvent, void* userData); 141 142 HIViewRef _hiviewRef; 143 WindowRef _windowRef; 144 bool _fullScreen; 145 int _id; 146 webrtc::CriticalSectionWrapper& _renderCritSec; 147 webrtc::ThreadWrapper* _screenUpdateThread; 148 webrtc::EventWrapper* _screenUpdateEvent; 149 bool _isHIViewRef; 150 AGLContext _aglContext; 151 int _windowWidth; 152 int _windowHeight; 153 int _lastWindowWidth; 154 int _lastWindowHeight; 155 int _lastHiViewWidth; 156 int _lastHiViewHeight; 157 int _currentParentWindowHeight; 158 int _currentParentWindowWidth; 159 Rect _currentParentWindowBounds; 160 bool _windowHasResized; 161 Rect _lastParentWindowBounds; 162 Rect _currentHIViewBounds; 163 Rect _lastHIViewBounds; 164 Rect _windowRect; 165 std::map<int, VideoChannelAGL*> _aglChannels; 166 std::multimap<int, int> _zOrderToChannel; 167 EventHandlerRef _hiviewEventHandlerRef; 168 EventHandlerRef _windowEventHandlerRef; 169 HIRect _currentViewBounds; 170 HIRect _lastViewBounds; 171 bool _renderingIsPaused; 172 unsigned int _threadID; 173 174 }; 175 176 } // namespace webrtc 177 178 #endif // WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_MAC_VIDEO_RENDER_AGL_H_ 179 180 #endif // CARBON_RENDERING 181