1 /* 2 * Copyright (c) 2012 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_VIDEO_ENGINE_VIE_RENDER_MANAGER_H_ 12 #define WEBRTC_VIDEO_ENGINE_VIE_RENDER_MANAGER_H_ 13 14 #include <list> 15 #include <map> 16 17 #include "webrtc/system_wrappers/interface/scoped_ptr.h" 18 #include "webrtc/typedefs.h" 19 #include "webrtc/video_engine/vie_manager_base.h" 20 21 namespace webrtc { 22 23 class CriticalSectionWrapper; 24 class RWLockWrapper; 25 class VideoRender; 26 class VideoRenderCallback; 27 class ViERenderer; 28 29 class ViERenderManager : private ViEManagerBase { 30 friend class ViERenderManagerScoped; 31 public: 32 explicit ViERenderManager(int32_t engine_id); 33 ~ViERenderManager(); 34 35 int32_t RegisterVideoRenderModule(VideoRender* render_module); 36 int32_t DeRegisterVideoRenderModule(VideoRender* render_module); 37 38 ViERenderer* AddRenderStream(const int32_t render_id, 39 void* window, 40 const uint32_t z_order, 41 const float left, 42 const float top, 43 const float right, 44 const float bottom); 45 46 int32_t RemoveRenderStream(int32_t render_id); 47 48 private: 49 typedef std::list<VideoRender*> RenderList; 50 // Returns a pointer to the render module if it exists in the render list. 51 // Assumed protected. 52 VideoRender* FindRenderModule(void* window); 53 54 // Methods used by ViERenderScoped. 55 ViERenderer* ViERenderPtr(int32_t render_id) const; 56 57 scoped_ptr<CriticalSectionWrapper> list_cs_; 58 int32_t engine_id_; 59 // Protected by ViEManagerBase. 60 typedef std::map<int32_t, ViERenderer*> RendererMap; 61 RendererMap stream_to_vie_renderer_; 62 RenderList render_list_; 63 bool use_external_render_module_; 64 }; 65 66 class ViERenderManagerScoped: private ViEManagerScopedBase { 67 public: 68 explicit ViERenderManagerScoped(const ViERenderManager& vie_render_manager); 69 70 // Returns a pointer to the ViERender object. 71 ViERenderer* Renderer(int32_t render_id) const; 72 }; 73 74 } // namespace webrtc 75 76 #endif // WEBRTC_VIDEO_ENGINE_VIE_RENDER_MANAGER_H_ 77