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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef REMOTING_CODEC_VIDEO_DECODER_ROW_BASED_H_ | 5 #ifndef REMOTING_CODEC_VIDEO_DECODER_ROW_BASED_H_ |
| 6 #define REMOTING_CODEC_VIDEO_DECODER_ROW_BASED_H_ | 6 #define REMOTING_CODEC_VIDEO_DECODER_ROW_BASED_H_ |
| 7 | 7 |
| 8 #include "base/compiler_specific.h" | 8 #include "base/compiler_specific.h" |
| 9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
| 10 #include "remoting/codec/video_decoder.h" | 10 #include "remoting/codec/video_decoder.h" |
| 11 | 11 |
| 12 namespace remoting { | 12 namespace remoting { |
| 13 | 13 |
| 14 class Decompressor; | 14 class Decompressor; |
| 15 | 15 |
| 16 class DecoderRowBased : public Decoder { | 16 class VideoDecoderRowBased : public VideoDecoder { |
| 17 public: | 17 public: |
| 18 virtual ~DecoderRowBased(); | 18 virtual ~VideoDecoderRowBased(); |
| 19 | 19 |
| 20 static DecoderRowBased* CreateZlibDecoder(); | 20 static VideoDecoderRowBased* CreateZlibDecoder(); |
| 21 static DecoderRowBased* CreateVerbatimDecoder(); | 21 static VideoDecoderRowBased* CreateVerbatimDecoder(); |
| 22 | 22 |
| 23 // Decoder implementation. | 23 // VideoDecoder implementation. |
| 24 virtual bool IsReadyForData() OVERRIDE; | 24 virtual bool IsReadyForData() OVERRIDE; |
| 25 virtual void Initialize(const SkISize& screen_size) OVERRIDE; | 25 virtual void Initialize(const SkISize& screen_size) OVERRIDE; |
| 26 virtual DecodeResult DecodePacket(const VideoPacket* packet) OVERRIDE; | 26 virtual DecodeResult DecodePacket(const VideoPacket* packet) OVERRIDE; |
| 27 virtual VideoPacketFormat::Encoding Encoding() OVERRIDE; | 27 virtual VideoPacketFormat::Encoding Encoding() OVERRIDE; |
| 28 virtual void Invalidate(const SkISize& view_size, | 28 virtual void Invalidate(const SkISize& view_size, |
| 29 const SkRegion& region) OVERRIDE; | 29 const SkRegion& region) OVERRIDE; |
| 30 virtual void RenderFrame(const SkISize& view_size, | 30 virtual void RenderFrame(const SkISize& view_size, |
| 31 const SkIRect& clip_area, | 31 const SkIRect& clip_area, |
| 32 uint8* image_buffer, | 32 uint8* image_buffer, |
| 33 int image_stride, | 33 int image_stride, |
| 34 SkRegion* output_region) OVERRIDE; | 34 SkRegion* output_region) OVERRIDE; |
| 35 | 35 |
| 36 private: | 36 private: |
| 37 enum State { | 37 enum State { |
| 38 kUninitialized, | 38 kUninitialized, |
| 39 kReady, | 39 kReady, |
| 40 kProcessing, | 40 kProcessing, |
| 41 kPartitionDone, | 41 kPartitionDone, |
| 42 kDone, | 42 kDone, |
| 43 kError, | 43 kError, |
| 44 }; | 44 }; |
| 45 | 45 |
| 46 DecoderRowBased(Decompressor* decompressor, | 46 VideoDecoderRowBased(Decompressor* decompressor, |
| 47 VideoPacketFormat::Encoding encoding); | 47 VideoPacketFormat::Encoding encoding); |
| 48 | 48 |
| 49 // Helper method. Called from DecodePacket to updated state of the decoder. | 49 // Helper method. Called from DecodePacket to updated state of the decoder. |
| 50 void UpdateStateForPacket(const VideoPacket* packet); | 50 void UpdateStateForPacket(const VideoPacket* packet); |
| 51 | 51 |
| 52 // The internal state of the decoder. | 52 // The internal state of the decoder. |
| 53 State state_; | 53 State state_; |
| 54 | 54 |
| 55 // Keeps track of the updating rect. | 55 // Keeps track of the updating rect. |
| 56 SkIRect clip_; | 56 SkIRect clip_; |
| 57 | 57 |
| (...skipping 11 matching lines...) Expand all Loading... |
| 69 | 69 |
| 70 // The region updated that hasn't been copied to the screen yet. | 70 // The region updated that hasn't been copied to the screen yet. |
| 71 SkRegion updated_region_; | 71 SkRegion updated_region_; |
| 72 | 72 |
| 73 // Size of the remote screen. | 73 // Size of the remote screen. |
| 74 SkISize screen_size_; | 74 SkISize screen_size_; |
| 75 | 75 |
| 76 // The bitmap holding the remote screen bits. | 76 // The bitmap holding the remote screen bits. |
| 77 scoped_array<uint8> screen_buffer_; | 77 scoped_array<uint8> screen_buffer_; |
| 78 | 78 |
| 79 DISALLOW_COPY_AND_ASSIGN(DecoderRowBased); | 79 DISALLOW_COPY_AND_ASSIGN(VideoDecoderRowBased); |
| 80 }; | 80 }; |
| 81 | 81 |
| 82 } // namespace remoting | 82 } // namespace remoting |
| 83 | 83 |
| 84 #endif // REMOTING_CODEC_VIDEO_DECODER_ROW_BASED_H_ | 84 #endif // REMOTING_CODEC_VIDEO_DECODER_ROW_BASED_H_ |
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