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| 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 #include <memory> |
| 33 |
| 34 class VideoRenderAGL; |
| 35 |
| 36 namespace webrtc { |
| 37 class CriticalSectionWrapper; |
| 38 class EventWrapper; |
| 39 |
| 40 class VideoChannelAGL : public VideoRenderCallback { |
| 41 public: |
| 42 |
| 43 VideoChannelAGL(AGLContext& aglContext, int iId, VideoRenderAGL* owner); |
| 44 virtual ~VideoChannelAGL(); |
| 45 virtual int FrameSizeChange(int width, int height, int numberOfStreams); |
| 46 virtual int DeliverFrame(const VideoFrame& videoFrame); |
| 47 virtual int UpdateSize(int width, int height); |
| 48 int SetStreamSettings(int streamId, float startWidth, float startHeight, |
| 49 float stopWidth, float stopHeight); |
| 50 int SetStreamCropSettings(int streamId, float startWidth, float startHeight, |
| 51 float stopWidth, float stopHeight); |
| 52 int RenderOffScreenBuffer(); |
| 53 int IsUpdated(bool& isUpdated); |
| 54 virtual int UpdateStretchSize(int stretchHeight, int stretchWidth); |
| 55 virtual int32_t RenderFrame(const uint32_t streamId, VideoFrame& 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 size_t _bufferSize; |
| 76 size_t _incomingBufferSize; |
| 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 StartRender(); |
| 114 int32_t StopRender(); |
| 115 int32_t DeleteAGLChannel(const uint32_t streamID); |
| 116 int32_t GetChannelProperties(const uint16_t streamId, uint32_t& zOrder, |
| 117 float& left, float& top, float& right, |
| 118 float& bottom); |
| 119 |
| 120 protected: |
| 121 static bool ScreenUpdateThreadProc(void* obj); |
| 122 bool ScreenUpdateProcess(); |
| 123 int GetWindowRect(Rect& rect); |
| 124 |
| 125 private: |
| 126 int CreateMixingContext(); |
| 127 int RenderOffScreenBuffers(); |
| 128 int SwapAndDisplayBuffers(); |
| 129 int UpdateClipping(); |
| 130 int CalculateVisibleRegion(ControlRef control, RgnHandle& visibleRgn, |
| 131 bool clipChildren); |
| 132 bool CheckValidRegion(RgnHandle rHandle); |
| 133 void ParentWindowResized(WindowRef window); |
| 134 |
| 135 // Carbon GUI event handlers |
| 136 static pascal OSStatus sHandleWindowResized( |
| 137 EventHandlerCallRef nextHandler, EventRef theEvent, void* userData); |
| 138 static pascal OSStatus sHandleHiViewResized( |
| 139 EventHandlerCallRef nextHandler, EventRef theEvent, void* userData); |
| 140 |
| 141 HIViewRef _hiviewRef; |
| 142 WindowRef _windowRef; |
| 143 bool _fullScreen; |
| 144 int _id; |
| 145 webrtc::CriticalSectionWrapper& _renderCritSec; |
| 146 // TODO(pbos): Remove unique_ptr and use PlatformThread directly. |
| 147 std::unique_ptr<rtc::PlatformThread> _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 }; |
| 173 |
| 174 } // namespace webrtc |
| 175 |
| 176 #endif // WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_MAC_VIDEO_RENDER_AGL_H_ |
| 177 |
| 178 #endif // CARBON_RENDERING |
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