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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_DECODER_VP8_H_
#define REMOTING_CODEC_VIDEO_DECODER_VP8_H_
#include "base/compiler_specific.h"
#include "remoting/codec/video_decoder.h"
typedef struct vpx_codec_ctx vpx_codec_ctx_t;
typedef struct vpx_image vpx_image_t;
namespace remoting {
class DecoderVp8 : public Decoder {
public:
DecoderVp8();
virtual ~DecoderVp8();
// Decoder implementations.
virtual void Initialize(const SkISize& screen_size) OVERRIDE;
virtual DecodeResult DecodePacket(const VideoPacket* packet) OVERRIDE;
virtual bool IsReadyForData() OVERRIDE;
virtual VideoPacketFormat::Encoding Encoding() OVERRIDE;
virtual void Invalidate(const SkISize& view_size,
const SkRegion& region) OVERRIDE;
virtual void RenderFrame(const SkISize& view_size,
const SkIRect& clip_area,
uint8* image_buffer,
int image_stride,
SkRegion* output_region) OVERRIDE;
private:
enum State {
kUninitialized,
kReady,
kError,
};
// The internal state of the decoder.
State state_;
vpx_codec_ctx_t* codec_;
// Pointer to the last decoded image.
vpx_image_t* last_image_;
// The region updated that hasn't been copied to the screen yet.
SkRegion updated_region_;
// Output dimensions.
SkISize screen_size_;
DISALLOW_COPY_AND_ASSIGN(DecoderVp8);
};
} // namespace remoting
#endif // REMOTING_CODEC_VIDEO_DECODER_VP8_H_
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