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/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 virtual int64_t TimeUntilNextProcess(); 38 virtual int32_t Process(); 39 40 /* 41 * Returns the render window 42 */ 43 virtual void* Window(); 44 45 /* 46 * Change render window 47 */ 48 virtual int32_t ChangeWindow(void* window); 49 50 /* 51 * Returns module id 52 */ 53 int32_t Id(); 54 55 /************************************************************************** 56 * 57 * Incoming Streams 58 * 59 ***************************************************************************/ 60 61 /* 62 * Add incoming render stream 63 */ 64 virtual VideoRenderCallback 65 * AddIncomingRenderStream(const uint32_t streamId, 66 const uint32_t zOrder, 67 const float left, const float top, 68 const float right, const float bottom); 69 /* 70 * Delete incoming render stream 71 */ 72 virtual int32_t 73 DeleteIncomingRenderStream(const uint32_t streamId); 74 75 /* 76 * Add incoming render callback, used for external rendering 77 */ 78 virtual int32_t 79 AddExternalRenderCallback(const uint32_t streamId, 80 VideoRenderCallback* renderObject); 81 82 /* 83 * Get the porperties for an incoming render stream 84 */ 85 virtual int32_t 86 GetIncomingRenderStreamProperties(const uint32_t streamId, 87 uint32_t& zOrder, 88 float& left, float& top, 89 float& right, float& bottom) const; 90 /* 91 * Incoming frame rate for the specified stream. 92 */ 93 virtual uint32_t GetIncomingFrameRate(const uint32_t streamId); 94 95 /* 96 * Returns the number of incoming streams added to this render module 97 */ 98 virtual uint32_t GetNumIncomingRenderStreams() const; 99 100 /* 101 * Returns true if this render module has the streamId added, false otherwise. 102 */ 103 virtual bool HasIncomingRenderStream(const uint32_t streamId) const; 104 105 /* 106 * 107 */ 108 virtual int32_t 109 RegisterRawFrameCallback(const uint32_t streamId, 110 VideoRenderCallback* callbackObj); 111 112 virtual int32_t SetExpectedRenderDelay(uint32_t stream_id, 113 int32_t delay_ms); 114 115 /************************************************************************** 116 * 117 * Start/Stop 118 * 119 ***************************************************************************/ 120 121 /* 122 * Starts rendering the specified stream 123 */ 124 virtual int32_t StartRender(const uint32_t streamId); 125 126 /* 127 * Stops the renderer 128 */ 129 virtual int32_t StopRender(const uint32_t streamId); 130 131 /* 132 * Sets the renderer in start state, no streams removed. 133 */ 134 virtual int32_t ResetRender(); 135 136 /************************************************************************** 137 * 138 * Properties 139 * 140 ***************************************************************************/ 141 142 /* 143 * Returns the prefered render video type 144 */ 145 virtual RawVideoType PreferredVideoType() const; 146 147 /* 148 * Returns true if the renderer is in fullscreen mode, otherwise false. 149 */ 150 virtual bool IsFullScreen(); 151 152 /* 153 * Gets screen resolution in pixels 154 */ 155 virtual int32_t 156 GetScreenResolution(uint32_t& screenWidth, 157 uint32_t& screenHeight) const; 158 159 /* 160 * Get the actual render rate for this stream. I.e rendered frame rate, 161 * not frames delivered to the renderer. 162 */ 163 virtual uint32_t RenderFrameRate(const uint32_t streamId); 164 165 /* 166 * Set cropping of incoming stream 167 */ 168 virtual int32_t SetStreamCropping(const uint32_t streamId, 169 const float left, const float top, 170 const float right, const float bottom); 171 172 virtual int32_t ConfigureRenderer(const uint32_t streamId, 173 const unsigned int zOrder, 174 const float left, const float top, 175 const float right, const float bottom); 176 177 virtual int32_t SetTransparentBackground(const bool enable); 178 179 virtual int32_t FullScreenRender(void* window, const bool enable); 180 181 virtual int32_t SetBitmap(const void* bitMap, 182 const uint8_t pictureId, 183 const void* colorKey, 184 const float left, const float top, 185 const float right, const float bottom); 186 187 virtual int32_t SetText(const uint8_t textId, 188 const uint8_t* text, 189 const int32_t textLength, 190 const uint32_t textColorRef, 191 const uint32_t backgroundColorRef, 192 const float left, const float top, 193 const float right, const float bottom); 194 195 virtual int32_t SetStartImage(const uint32_t streamId, 196 const VideoFrame& videoFrame); 197 198 virtual int32_t SetTimeoutImage(const uint32_t streamId, 199 const VideoFrame& videoFrame, 200 const uint32_t timeout); 201 202 private: 203 int32_t _id; 204 CriticalSectionWrapper& _moduleCrit; 205 void* _ptrWindow; 206 bool _fullScreen; 207 208 IVideoRender* _ptrRenderer; 209 typedef std::map<uint32_t, IncomingVideoStream*> IncomingVideoStreamMap; 210 IncomingVideoStreamMap _streamRenderMap; 211 }; 212 213 } // namespace webrtc 214 215 #endif // WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_VIDEO_RENDER_IMPL_H_ 216
