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// Copyright (c) 2011 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.
// FrameConsumerProxy is used to allow a FrameConsumer on the UI thread to be
// invoked by a Decoder on the decoder thread. The Detach() method is used by
// the proxy's owner before tearing down the FrameConsumer, to prevent any
// further invokations reaching it.
#ifndef REMOTING_CLIENT_FRAME_CONSUMER_PROXY_H_
#define REMOTING_CLIENT_FRAME_CONSUMER_PROXY_H_
#include "base/memory/ref_counted.h"
#include "remoting/client/frame_consumer.h"
namespace base {
class MessageLoopProxy;
} // namespace base
namespace remoting {
class FrameConsumerProxy
: public base::RefCountedThreadSafe<FrameConsumerProxy>,
public FrameConsumer {
public:
// Constructs a proxy for |frame_consumer| which will trampoline invocations
// to |frame_consumer_message_loop|.
FrameConsumerProxy(FrameConsumer* frame_consumer,
base::MessageLoopProxy* frame_consumer_message_loop);
virtual ~FrameConsumerProxy();
// FrameConsumer implementation.
virtual void AllocateFrame(media::VideoFrame::Format format,
const SkISize& size,
scoped_refptr<media::VideoFrame>* frame_out,
const base::Closure& done) OVERRIDE;
virtual void ReleaseFrame(media::VideoFrame* frame) OVERRIDE;
virtual void OnPartialFrameOutput(media::VideoFrame* frame,
RectVector* rects,
const base::Closure& done) OVERRIDE;
// Detaches from |frame_consumer_|, ensuring no further calls reach it.
// This must only be called from |frame_consumer_message_loop_|.
void Detach();
private:
FrameConsumer* frame_consumer_;
scoped_refptr<base::MessageLoopProxy> frame_consumer_message_loop_;
DISALLOW_COPY_AND_ASSIGN(FrameConsumerProxy);
};
} // namespace remoting
#endif // REMOTING_CLIENT_FRAME_CONSUMER_PROXY_H_
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