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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.
#ifndef REMOTING_CODEC_VIDEO_ENCODER_VERBATIM_H_
#define REMOTING_CODEC_VIDEO_ENCODER_VERBATIM_H_
#include "base/time.h"
#include "remoting/codec/video_encoder.h"
#include "remoting/proto/video.pb.h"
#include "third_party/skia/include/core/SkRect.h"
namespace remoting {
// VideoEncoderVerbatim implements a VideoEncoder that sends image data as a
// sequence of RGB values, without compression.
class VideoEncoderVerbatim : public VideoEncoder {
public:
VideoEncoderVerbatim();
virtual ~VideoEncoderVerbatim();
// Sets maximum size of data in video packets. Used by unittests.
void SetMaxPacketSize(int size);
// VideoEncoder interface.
virtual void Encode(
scoped_refptr<CaptureData> capture_data,
bool key_frame,
const DataAvailableCallback& data_available_callback) OVERRIDE;
private:
// Encode a single dirty |rect|.
void EncodeRect(const SkIRect& rect, bool last);
// Initializes first packet in a sequence of video packets to update screen
// rectangle |rect|.
void PrepareUpdateStart(const SkIRect& rect, VideoPacket* packet);
// Allocates a buffer of the specified |size| inside |packet| and returns the
// pointer to it.
uint8* GetOutputBuffer(VideoPacket* packet, size_t size);
// Submit |packet| to |callback_|.
void SubmitMessage(VideoPacket* packet, size_t rect_index);
scoped_refptr<CaptureData> capture_data_;
DataAvailableCallback callback_;
base::Time encode_start_time_;
// The most recent screen size.
SkISize screen_size_;
int max_packet_size_;
};
} // namespace remoting
#endif // REMOTING_CODEC_VIDEO_ENCODER_VERBATIM_H_
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