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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_VP8_H_
#define REMOTING_CODEC_VIDEO_ENCODER_VP8_H_
#include "base/gtest_prod_util.h"
#include "remoting/codec/video_encoder.h"
typedef struct vpx_codec_ctx vpx_codec_ctx_t;
typedef struct vpx_image vpx_image_t;
namespace webrtc {
class DesktopRegion;
class DesktopSize;
} // namespace webrtc
namespace remoting {
// A class that uses VP8 to perform encoding.
class VideoEncoderVp8 : public VideoEncoder {
public:
VideoEncoderVp8();
virtual ~VideoEncoderVp8();
// VideoEncoder interface.
virtual scoped_ptr<VideoPacket> Encode(
const webrtc::DesktopFrame& frame) OVERRIDE;
private:
FRIEND_TEST_ALL_PREFIXES(VideoEncoderVp8Test, AlignAndClipRect);
// Initialize the encoder. Returns true if successful.
bool Init(const webrtc::DesktopSize& size);
// Destroy the encoder.
void Destroy();
// Prepare |image_| for encoding. Write updated rectangles into
// |updated_region|.
//
// TODO(sergeyu): Update this code to use webrtc::DesktopRegion.
void PrepareImage(const webrtc::DesktopFrame& frame,
webrtc::DesktopRegion* updated_region);
// Update the active map according to |updated_region|. Active map is then
// given to the encoder to speed up encoding.
void PrepareActiveMap(const webrtc::DesktopRegion& updated_region);
// True if the encoder is initialized.
bool initialized_;
scoped_ptr<vpx_codec_ctx_t> codec_;
scoped_ptr<vpx_image_t> image_;
scoped_ptr<uint8[]> active_map_;
int active_map_width_;
int active_map_height_;
int last_timestamp_;
// Buffer for storing the yuv image.
scoped_ptr<uint8[]> yuv_image_;
DISALLOW_COPY_AND_ASSIGN(VideoEncoderVp8);
};
} // namespace remoting
#endif // REMOTING_CODEC_VIDEO_ENCODER_VP8_H_
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