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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef REMOTING_CLIENT_PLUGIN_PEPPER_VIDEO_RENDERER_H_
#define REMOTING_CLIENT_PLUGIN_PEPPER_VIDEO_RENDERER_H_
#include "remoting/client/video_renderer.h"
namespace webrtc {
class DesktopSize;
class DesktopVector;
class DesktopRegion;
} // namespace webrtc
namespace pp {
class Instance;
class View;
} // namespace pp
namespace remoting {
class ClientContext;
namespace protocol {
class PerformanceTracker;
} // namespace protocol
// Interface for video renderers that render video in pepper plugin.
class PepperVideoRenderer : public VideoRenderer {
public:
class EventHandler {
public:
EventHandler() {}
virtual ~EventHandler() {}
// Called if video decoding fails, for any reason.
virtual void OnVideoDecodeError() = 0;
// Called when the first frame is received.
virtual void OnVideoFirstFrameReceived() = 0;
// Called when stream size changes.
virtual void OnVideoSize(const webrtc::DesktopSize& size,
const webrtc::DesktopVector& dpi) = 0;
// Called when desktop shape changes. |shape| should be NULL if frames are
// un-shaped.
virtual void OnVideoShape(const webrtc::DesktopRegion* shape) = 0;
// Called with each frame's updated region, if EnableDebugDirtyRegion(true)
// was called.
virtual void OnVideoFrameDirtyRegion(
const webrtc::DesktopRegion& dirty_region) = 0;
};
// Initializes the renderer. |instance| and |event_handler| must outlive the
// renderer. Returns false if the renderer cannot be initialized.
virtual bool Initialize(pp::Instance* instance,
const ClientContext& context,
EventHandler* event_handler,
protocol::PerformanceTracker* perf_tracker) = 0;
// Must be called whenever the plugin view changes.
virtual void OnViewChanged(const pp::View& view) = 0;
// Enables or disables delivery of dirty region information to the
// EventHandler, for debugging purposes.
virtual void EnableDebugDirtyRegion(bool enable) = 0;
};
} // namespace remoting
#endif // REMOTING_CLIENT_PLUGIN_PEPPER_VIDEO_RENDERER_H_
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