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// Copyright (c) 2012 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_CODEC_VIDEO_ENCODER_H_
#define REMOTING_CODEC_VIDEO_ENCODER_H_
#include "base/basictypes.h"
#include "base/callback.h"
#include "media/base/data_buffer.h"
namespace media {
class ScreenCaptureData;
} // namespace media
namespace remoting {
class VideoPacket;
// A class to perform the task of encoding a continous stream of
// images.
// This class operates asynchronously to enable maximum throughput.
class VideoEncoder {
public:
// DataAvailableCallback is called one or more times, for each chunk the
// underlying video encoder generates.
typedef base::Callback<void(scoped_ptr<VideoPacket>)> DataAvailableCallback;
virtual ~VideoEncoder() {}
// Encode an image stored in |capture_data|.
//
// If |key_frame| is true, the encoder should not reference
// previous encode and encode the full frame.
//
// When encoded data is available, partial or full |data_available_callback|
// is called.
virtual void Encode(scoped_refptr<media::ScreenCaptureData> capture_data,
bool key_frame,
const DataAvailableCallback& data_available_callback) = 0;
};
} // namespace remoting
#endif // REMOTING_CODEC_VIDEO_ENCODER_H_
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