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 #ifndef WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_VIDEO_RENDER_IMPL_H_ 12 #define WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_VIDEO_RENDER_IMPL_H_ 13 14 #include <map> 15 16 #include "webrtc/engine_configurations.h" 17 #include "webrtc/modules/video_render/include/video_render.h" 18 19 namespace webrtc { 20 class CriticalSectionWrapper; 21 class IncomingVideoStream; 22 class IVideoRender; 23 24 // Class definitions 25 class ModuleVideoRenderImpl: public VideoRender 26 { 27 public: 28 /* 29 * VideoRenderer constructor/destructor 30 */ 31 ModuleVideoRenderImpl(const int32_t id, 32 const VideoRenderType videoRenderType, 33 void* window, const bool fullscreen); 34 35 virtual ~ModuleVideoRenderImpl(); 36 37 /* 38 * Change the unique identifier of this object 39 */ 40 virtual int32_t ChangeUniqueId(const int32_t id); 41 42 virtual int32_t TimeUntilNextProcess(); 43 virtual int32_t Process(); 44 45 /* 46 * Returns the render window 47 */ 48 virtual void* Window(); 49 50 /* 51 * Change render window 52 */ 53 virtual int32_t ChangeWindow(void* window); 54 55 /* 56 * Returns module id 57 */ 58 int32_t Id(); 59 60 /************************************************************************** 61 * 62 * Incoming Streams 63 * 64 ***************************************************************************/ 65 66 /* 67 * Add incoming render stream 68 */ 69 virtual VideoRenderCallback 70 * AddIncomingRenderStream(const uint32_t streamId, 71 const uint32_t zOrder, 72 const float left, const float top, 73 const float right, const float bottom); 74 /* 75 * Delete incoming render stream 76 */ 77 virtual int32_t 78 DeleteIncomingRenderStream(const uint32_t streamId); 79 80 /* 81 * Add incoming render callback, used for external rendering 82 */ 83 virtual int32_t 84 AddExternalRenderCallback(const uint32_t streamId, 85 VideoRenderCallback* renderObject); 86 87 /* 88 * Get the porperties for an incoming render stream 89 */ 90 virtual int32_t 91 GetIncomingRenderStreamProperties(const uint32_t streamId, 92 uint32_t& zOrder, 93 float& left, float& top, 94 float& right, float& bottom) const; 95 /* 96 * Incoming frame rate for the specified stream. 97 */ 98 virtual uint32_t GetIncomingFrameRate(const uint32_t streamId); 99 100 /* 101 * Returns the number of incoming streams added to this render module 102 */ 103 virtual uint32_t GetNumIncomingRenderStreams() const; 104 105 /* 106 * Returns true if this render module has the streamId added, false otherwise. 107 */ 108 virtual bool HasIncomingRenderStream(const uint32_t streamId) const; 109 110 /* 111 * 112 */ 113 virtual int32_t 114 RegisterRawFrameCallback(const uint32_t streamId, 115 VideoRenderCallback* callbackObj); 116 117 virtual int32_t GetLastRenderedFrame(const uint32_t streamId, 118 I420VideoFrame &frame) const; 119 120 virtual int32_t SetExpectedRenderDelay(uint32_t stream_id, 121 int32_t delay_ms); 122 123 /************************************************************************** 124 * 125 * Start/Stop 126 * 127 ***************************************************************************/ 128 129 /* 130 * Starts rendering the specified stream 131 */ 132 virtual int32_t StartRender(const uint32_t streamId); 133 134 /* 135 * Stops the renderer 136 */ 137 virtual int32_t StopRender(const uint32_t streamId); 138 139 /* 140 * Sets the renderer in start state, no streams removed. 141 */ 142 virtual int32_t ResetRender(); 143 144 /************************************************************************** 145 * 146 * Properties 147 * 148 ***************************************************************************/ 149 150 /* 151 * Returns the prefered render video type 152 */ 153 virtual RawVideoType PreferredVideoType() const; 154 155 /* 156 * Returns true if the renderer is in fullscreen mode, otherwise false. 157 */ 158 virtual bool IsFullScreen(); 159 160 /* 161 * Gets screen resolution in pixels 162 */ 163 virtual int32_t 164 GetScreenResolution(uint32_t& screenWidth, 165 uint32_t& screenHeight) const; 166 167 /* 168 * Get the actual render rate for this stream. I.e rendered frame rate, 169 * not frames delivered to the renderer. 170 */ 171 virtual uint32_t RenderFrameRate(const uint32_t streamId); 172 173 /* 174 * Set cropping of incoming stream 175 */ 176 virtual int32_t SetStreamCropping(const uint32_t streamId, 177 const float left, const float top, 178 const float right, const float bottom); 179 180 virtual int32_t ConfigureRenderer(const uint32_t streamId, 181 const unsigned int zOrder, 182 const float left, const float top, 183 const float right, const float bottom); 184 185 virtual int32_t SetTransparentBackground(const bool enable); 186 187 virtual int32_t FullScreenRender(void* window, const bool enable); 188 189 virtual int32_t SetBitmap(const void* bitMap, 190 const uint8_t pictureId, 191 const void* colorKey, 192 const float left, const float top, 193 const float right, const float bottom); 194 195 virtual int32_t SetText(const uint8_t textId, 196 const uint8_t* text, 197 const int32_t textLength, 198 const uint32_t textColorRef, 199 const uint32_t backgroundColorRef, 200 const float left, const float top, 201 const float right, const float bottom); 202 203 virtual int32_t SetStartImage(const uint32_t streamId, 204 const I420VideoFrame& videoFrame); 205 206 virtual int32_t SetTimeoutImage(const uint32_t streamId, 207 const I420VideoFrame& videoFrame, 208 const uint32_t timeout); 209 210 virtual int32_t MirrorRenderStream(const int renderId, 211 const bool enable, 212 const bool mirrorXAxis, 213 const bool mirrorYAxis); 214 215 private: 216 int32_t _id; 217 CriticalSectionWrapper& _moduleCrit; 218 void* _ptrWindow; 219 bool _fullScreen; 220 221 IVideoRender* _ptrRenderer; 222 typedef std::map<uint32_t, IncomingVideoStream*> IncomingVideoStreamMap; 223 IncomingVideoStreamMap _streamRenderMap; 224 }; 225 226 } // namespace webrtc 227 228 #endif // WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_VIDEO_RENDER_IMPL_H_ 229
