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/base/platform_thread.h" 19 #include "webrtc/modules/video_render/video_render_defines.h" 20 21 #define NEW_HIVIEW_PARENT_EVENT_HANDLER 1 22 #define NEW_HIVIEW_EVENT_HANDLER 1 23 #define USE_STRUCT_RGN 24 25 #include <AGL/agl.h> 26 #include <Carbon/Carbon.h> 27 #include <OpenGL/OpenGL.h> 28 #include <OpenGL/glext.h> 29 #include <OpenGL/glu.h> 30 #include <list> 31 #include <map> 32 33 class VideoRenderAGL; 34 35 namespace webrtc { 36 class CriticalSectionWrapper; 37 class EventWrapper; 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 VideoFrame& 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, VideoFrame& videoFrame); 55 56 private: 57 58 AGLContext _aglContext; 59 int _id; 60 VideoRenderAGL* _owner; 61 int _width; 62 int _height; 63 int _stretchedWidth; 64 int _stretchedHeight; 65 float _startHeight; 66 float _startWidth; 67 float _stopWidth; 68 float _stopHeight; 69 int _xOldWidth; 70 int _yOldHeight; 71 int _oldStretchedHeight; 72 int _oldStretchedWidth; 73 unsigned char* _buffer; 74 size_t _bufferSize; 75 size_t _incomingBufferSize; 76 bool _bufferIsUpdated; 77 bool _sizeInitialized; 78 int _numberOfStreams; 79 bool _bVideoSizeStartedChanging; 80 GLenum _pixelFormat; 81 GLenum _pixelDataType; 82 unsigned int _texture; 83 }; 84 85 class VideoRenderAGL { 86 public: 87 VideoRenderAGL(WindowRef windowRef, bool fullscreen, int iId); 88 VideoRenderAGL(HIViewRef windowRef, bool fullscreen, int iId); 89 ~VideoRenderAGL(); 90 91 int Init(); 92 VideoChannelAGL* CreateAGLChannel(int channel, int zOrder, float startWidth, 93 float startHeight, float stopWidth, 94 float stopHeight); 95 VideoChannelAGL* ConfigureAGLChannel(int channel, int zOrder, 96 float startWidth, float startHeight, 97 float stopWidth, float stopHeight); 98 int DeleteAGLChannel(int channel); 99 int DeleteAllAGLChannels(); 100 int StopThread(); 101 bool IsFullScreen(); 102 bool HasChannels(); 103 bool HasChannel(int channel); 104 int GetChannels(std::list<int>& channelList); 105 void LockAGLCntx(); 106 void UnlockAGLCntx(); 107 108 static int GetOpenGLVersion(int& aglMajor, int& aglMinor); 109 110 // ********** new module functions ************ // 111 int ChangeWindow(void* newWindowRef); 112 int32_t StartRender(); 113 int32_t StopRender(); 114 int32_t DeleteAGLChannel(const uint32_t streamID); 115 int32_t GetChannelProperties(const uint16_t streamId, uint32_t& zOrder, 116 float& left, float& top, float& right, 117 float& bottom); 118 119 protected: 120 static bool ScreenUpdateThreadProc(void* obj); 121 bool ScreenUpdateProcess(); 122 int GetWindowRect(Rect& rect); 123 124 private: 125 int CreateMixingContext(); 126 int RenderOffScreenBuffers(); 127 int SwapAndDisplayBuffers(); 128 int UpdateClipping(); 129 int CalculateVisibleRegion(ControlRef control, RgnHandle& visibleRgn, 130 bool clipChildren); 131 bool CheckValidRegion(RgnHandle rHandle); 132 void ParentWindowResized(WindowRef window); 133 134 // Carbon GUI event handlers 135 static pascal OSStatus sHandleWindowResized( 136 EventHandlerCallRef nextHandler, EventRef theEvent, void* userData); 137 static pascal OSStatus sHandleHiViewResized( 138 EventHandlerCallRef nextHandler, EventRef theEvent, void* userData); 139 140 HIViewRef _hiviewRef; 141 WindowRef _windowRef; 142 bool _fullScreen; 143 int _id; 144 webrtc::CriticalSectionWrapper& _renderCritSec; 145 // TODO(pbos): Remove scoped_ptr and use PlatformThread directly. 146 rtc::scoped_ptr<rtc::PlatformThread> _screenUpdateThread; 147 webrtc::EventWrapper* _screenUpdateEvent; 148 bool _isHIViewRef; 149 AGLContext _aglContext; 150 int _windowWidth; 151 int _windowHeight; 152 int _lastWindowWidth; 153 int _lastWindowHeight; 154 int _lastHiViewWidth; 155 int _lastHiViewHeight; 156 int _currentParentWindowHeight; 157 int _currentParentWindowWidth; 158 Rect _currentParentWindowBounds; 159 bool _windowHasResized; 160 Rect _lastParentWindowBounds; 161 Rect _currentHIViewBounds; 162 Rect _lastHIViewBounds; 163 Rect _windowRect; 164 std::map<int, VideoChannelAGL*> _aglChannels; 165 std::multimap<int, int> _zOrderToChannel; 166 EventHandlerRef _hiviewEventHandlerRef; 167 EventHandlerRef _windowEventHandlerRef; 168 HIRect _currentViewBounds; 169 HIRect _lastViewBounds; 170 bool _renderingIsPaused; 171 }; 172 173 } // namespace webrtc 174 175 #endif // WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_MAC_VIDEO_RENDER_AGL_H_ 176 177 #endif // CARBON_RENDERING 178