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Side by Side Diff: remoting/base/decoder_row_based.h

Issue 4255001: Revert 64672 - Cleanups in the video encoding decoding code. Reenable VP8.... (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 10 years, 1 month ago
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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2010 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_BASE_DECODER_ROW_BASED_H_ 5 #ifndef REMOTING_BASE_DECODER_ROW_BASED_H_
6 #define REMOTING_BASE_DECODER_ROW_BASED_H_ 6 #define REMOTING_BASE_DECODER_ROW_BASED_H_
7 7
8 #include "remoting/base/decoder.h" 8 #include "remoting/base/decoder.h"
9 9
10 namespace remoting { 10 namespace remoting {
11 11
12 class Decompressor; 12 class Decompressor;
13 13
14 class DecoderRowBased : public Decoder { 14 class DecoderRowBased : public Decoder {
15 public: 15 public:
16 virtual ~DecoderRowBased(); 16 virtual ~DecoderRowBased();
17 17
18 static DecoderRowBased* CreateZlibDecoder(); 18 static DecoderRowBased* CreateZlibDecoder();
19 static DecoderRowBased* CreateVerbatimDecoder(); 19 static DecoderRowBased* CreateVerbatimDecoder();
20 20
21 // Decoder implementation. 21 // Decoder implementation.
22 virtual void Reset(); 22 virtual void Reset();
23 virtual bool IsReadyForData(); 23 virtual bool IsReadyForData();
24 virtual void Initialize(scoped_refptr<media::VideoFrame> frame, 24 virtual void Initialize(scoped_refptr<media::VideoFrame> frame,
25 const gfx::Rect& clip, int bytes_per_src_pixel); 25 const gfx::Rect& clip, int bytes_per_src_pixel);
26 virtual void DecodeBytes(const std::string& encoded_bytes); 26 virtual void DecodeBytes(const std::string& encoded_bytes);
27 virtual VideoPacketFormat::Encoding Encoding() { return encoding_; } 27 virtual UpdateStreamEncoding Encoding() { return encoding_; }
28 28
29 // TODO(hclam): Should make this into the Decoder interface. 29 // TODO(hclam): Should make this into the Decoder interface.
30 // TODO(ajwong): Before putting into the interface, we should decide if the 30 // TODO(ajwong): Before putting into the interface, we should decide if the
31 // Host should normalize the coordinate system. 31 // Host should normalize the coordinate system.
32 void set_reverse_rows(bool reverse) { reverse_rows_ = reverse; } 32 void set_reverse_rows(bool reverse) { reverse_rows_ = reverse; }
33 33
34 private: 34 private:
35 DecoderRowBased(Decompressor* decompressor, 35 DecoderRowBased(Decompressor* decompressor, UpdateStreamEncoding encoding);
36 VideoPacketFormat::Encoding encoding);
37 36
38 enum State { 37 enum State {
39 kUninitialized, 38 kUninitialized,
40 kReady, 39 kReady,
41 kError, 40 kError,
42 }; 41 };
43 42
44 // The internal state of the decoder. 43 // The internal state of the decoder.
45 State state_; 44 State state_;
46 45
47 // Keeps track of the updating rect. 46 // Keeps track of the updating rect.
48 gfx::Rect clip_; 47 gfx::Rect clip_;
49 48
50 // The video frame to write to. 49 // The video frame to write to.
51 scoped_refptr<media::VideoFrame> frame_; 50 scoped_refptr<media::VideoFrame> frame_;
52 51
53 // The compression for the input byte stream. 52 // The compression for the input byte stream.
54 scoped_ptr<Decompressor> decompressor_; 53 scoped_ptr<Decompressor> decompressor_;
55 54
56 // The encoding of the incoming stream. 55 // The encoding of the incoming stream.
57 VideoPacketFormat::Encoding encoding_; 56 UpdateStreamEncoding encoding_;
58 57
59 // Number of bytes per pixel from source stream. 58 // Number of bytes per pixel from source stream.
60 int bytes_per_src_pixel_; 59 int bytes_per_src_pixel_;
61 60
62 // The position in the row that we are updating. 61 // The position in the row that we are updating.
63 int row_pos_; 62 int row_pos_;
64 63
65 // The current row in the rect that we are updaing. 64 // The current row in the rect that we are updaing.
66 int row_y_; 65 int row_y_;
67 66
68 // True if we should decode the image upside down. 67 // True if we should decode the image upside down.
69 bool reverse_rows_; 68 bool reverse_rows_;
70 69
71 DISALLOW_COPY_AND_ASSIGN(DecoderRowBased); 70 DISALLOW_COPY_AND_ASSIGN(DecoderRowBased);
72 }; 71 };
73 72
74 } // namespace remoting 73 } // namespace remoting
75 74
76 #endif // REMOTING_BASE_DECODER_ROW_BASED_H_ 75 #endif // REMOTING_BASE_DECODER_ROW_BASED_H_
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