blob: ee897ab66163ff2c15f725e33386f42cf41b8b4b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
// Copyright (c) 2010 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_BASE_DECODER_ZLIB_H_
#define REMOTING_BASE_DECODER_ZLIB_H_
#include "remoting/base/decoder.h"
namespace remoting {
class DecompressorZlib;
class DecoderZlib : public Decoder {
public:
DecoderZlib();
// Decoder implementations.
virtual bool BeginDecode(scoped_refptr<media::VideoFrame> frame,
UpdatedRects* update_rects,
Task* partial_decode_done,
Task* decode_done);
virtual bool PartialDecode(ChromotingHostMessage* message);
virtual void EndDecode();
// TODO(hclam): Should make this into the Decoder interface.
void set_reverse_rows(bool reverse) { reverse_rows_ = reverse; }
private:
bool HandleBeginRect(ChromotingHostMessage* message);
bool HandleRectData(ChromotingHostMessage* message);
bool HandleEndRect(ChromotingHostMessage* message);
// The internal state of the decoder.
State state_;
// Keeps track of the updating rect.
int rect_x_;
int rect_y_;
int rect_width_;
int rect_height_;
int bytes_per_pixel_;
// Tasks to call when decode is done.
scoped_ptr<Task> partial_decode_done_;
scoped_ptr<Task> decode_done_;
// The video frame to write to.
scoped_refptr<media::VideoFrame> frame_;
UpdatedRects* updated_rects_;
// A zlib decompressor used throughout one update sequence.
scoped_ptr<DecompressorZlib> decompressor_;
// The position in the row that we are updating.
int row_pos_;
// The row number in the rect that we are updaing.
int row_y_;
// True if we should decode the image upside down.
bool reverse_rows_;
DISALLOW_COPY_AND_ASSIGN(DecoderZlib);
};
} // namespace remoting
#endif // REMOTING_BASE_DECODER_ZLIB_H_
|
