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/*
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef WEBRTC_VIDEO_ENGINE_VIE_RENDER_MANAGER_H_
#define WEBRTC_VIDEO_ENGINE_VIE_RENDER_MANAGER_H_
#include "system_wrappers/interface/list_wrapper.h"
#include "system_wrappers/interface/map_wrapper.h"
#include "system_wrappers/interface/scoped_ptr.h"
#include "typedefs.h"
#include "video_engine/vie_manager_base.h"
namespace webrtc {
class CriticalSectionWrapper;
class RWLockWrapper;
class VideoRender;
class VideoRenderCallback;
class ViERenderer;
class ViERenderManager : private ViEManagerBase {
friend class ViERenderManagerScoped;
public:
explicit ViERenderManager(WebRtc_Word32 engine_id);
~ViERenderManager();
WebRtc_Word32 RegisterVideoRenderModule(VideoRender& render_module);
WebRtc_Word32 DeRegisterVideoRenderModule(VideoRender& render_module);
ViERenderer* AddRenderStream(const WebRtc_Word32 render_id,
void* window,
const WebRtc_UWord32 z_order,
const float left,
const float top,
const float right,
const float bottom);
WebRtc_Word32 RemoveRenderStream(WebRtc_Word32 render_id);
private:
// Returns a pointer to the render module if it exists in the render list.
// Assumed protected.
VideoRender* FindRenderModule(void* window);
// Methods used by ViERenderScoped.
ViERenderer* ViERenderPtr(WebRtc_Word32 render_id) const;
scoped_ptr<CriticalSectionWrapper> list_cs_;
WebRtc_Word32 engine_id_;
MapWrapper stream_to_vie_renderer_; // Protected by ViEManagerBase.
ListWrapper render_list_;
bool use_external_render_module_;
};
class ViERenderManagerScoped: private ViEManagerScopedBase {
public:
explicit ViERenderManagerScoped(const ViERenderManager& vie_render_manager);
// Returns a pointer to the ViERender object.
ViERenderer* Renderer(WebRtc_Word32 render_id) const;
};
} // namespace webrtc
#endif // WEBRTC_VIDEO_ENGINE_VIE_RENDER_MANAGER_H_