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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 #include "remoting/base/decoder_zlib.h" | 5 #include "remoting/base/decoder_zlib.h" |
6 | 6 |
7 #include "remoting/base/decompressor_zlib.h" | 7 #include "remoting/base/decompressor_zlib.h" |
8 #include "remoting/base/protocol_util.h" | 8 #include "remoting/base/protocol_util.h" |
9 | 9 |
10 namespace remoting { | 10 namespace remoting { |
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42 partial_decode_done_.reset(partial_decode_done); | 42 partial_decode_done_.reset(partial_decode_done); |
43 decode_done_.reset(decode_done); | 43 decode_done_.reset(decode_done); |
44 updated_rects_ = updated_rects; | 44 updated_rects_ = updated_rects; |
45 frame_ = frame; | 45 frame_ = frame; |
46 | 46 |
47 // Create the decompressor. | 47 // Create the decompressor. |
48 decompressor_.reset(new DecompressorZlib()); | 48 decompressor_.reset(new DecompressorZlib()); |
49 return true; | 49 return true; |
50 } | 50 } |
51 | 51 |
52 bool DecoderZlib::PartialDecode(ChromotingHostMessage* message) { | 52 bool DecoderZlib::PartialDecode(HostMessage* message) { |
53 scoped_ptr<ChromotingHostMessage> msg_deleter(message); | 53 scoped_ptr<HostMessage> msg_deleter(message); |
54 DCHECK(message->has_update_stream_packet()); | 54 DCHECK(message->has_update_stream_packet()); |
55 | 55 |
56 bool ret = true; | 56 bool ret = true; |
57 if (message->update_stream_packet().has_begin_rect()) | 57 if (message->update_stream_packet().has_begin_rect()) |
58 ret = HandleBeginRect(message); | 58 ret = HandleBeginRect(message); |
59 if (ret && message->update_stream_packet().has_rect_data()) | 59 if (ret && message->update_stream_packet().has_rect_data()) |
60 ret = HandleRectData(message); | 60 ret = HandleRectData(message); |
61 if (ret && message->update_stream_packet().has_end_rect()) | 61 if (ret && message->update_stream_packet().has_end_rect()) |
62 ret = HandleEndRect(message); | 62 ret = HandleEndRect(message); |
63 return ret; | 63 return ret; |
64 } | 64 } |
65 | 65 |
66 void DecoderZlib::EndDecode() { | 66 void DecoderZlib::EndDecode() { |
67 DCHECK_EQ(kWaitingForBeginRect, state_); | 67 DCHECK_EQ(kWaitingForBeginRect, state_); |
68 decode_done_->Run(); | 68 decode_done_->Run(); |
69 | 69 |
70 partial_decode_done_.reset(); | 70 partial_decode_done_.reset(); |
71 decode_done_.reset(); | 71 decode_done_.reset(); |
72 updated_rects_ = NULL; | 72 updated_rects_ = NULL; |
73 frame_ = NULL; | 73 frame_ = NULL; |
74 decompressor_.reset(); | 74 decompressor_.reset(); |
75 } | 75 } |
76 | 76 |
77 bool DecoderZlib::HandleBeginRect(ChromotingHostMessage* message) { | 77 bool DecoderZlib::HandleBeginRect(HostMessage* message) { |
78 DCHECK_EQ(kWaitingForBeginRect, state_); | 78 DCHECK_EQ(kWaitingForBeginRect, state_); |
79 state_ = kWaitingForRectData; | 79 state_ = kWaitingForRectData; |
80 | 80 |
81 rect_width_ = message->update_stream_packet().begin_rect().width(); | 81 rect_width_ = message->update_stream_packet().begin_rect().width(); |
82 rect_height_ = message->update_stream_packet().begin_rect().height(); | 82 rect_height_ = message->update_stream_packet().begin_rect().height(); |
83 rect_x_ = message->update_stream_packet().begin_rect().x(); | 83 rect_x_ = message->update_stream_packet().begin_rect().x(); |
84 rect_y_ = message->update_stream_packet().begin_rect().y(); | 84 rect_y_ = message->update_stream_packet().begin_rect().y(); |
85 | 85 |
86 PixelFormat pixel_format = | 86 PixelFormat pixel_format = |
87 message->update_stream_packet().begin_rect().pixel_format(); | 87 message->update_stream_packet().begin_rect().pixel_format(); |
88 | 88 |
89 if (static_cast<PixelFormat>(frame_->format()) != pixel_format) { | 89 if (static_cast<PixelFormat>(frame_->format()) != pixel_format) { |
90 NOTREACHED() << "Pixel format of message doesn't match the video frame. " | 90 NOTREACHED() << "Pixel format of message doesn't match the video frame. " |
91 "Expected vs received = " | 91 "Expected vs received = " |
92 << frame_->format() << " vs " << pixel_format | 92 << frame_->format() << " vs " << pixel_format |
93 << " Color space conversion required."; | 93 << " Color space conversion required."; |
94 return false; | 94 return false; |
95 } | 95 } |
96 | 96 |
97 bytes_per_pixel_ = GetBytesPerPixel(pixel_format); | 97 bytes_per_pixel_ = GetBytesPerPixel(pixel_format); |
98 row_pos_ = 0; | 98 row_pos_ = 0; |
99 row_y_ = 0; | 99 row_y_ = 0; |
100 return true; | 100 return true; |
101 } | 101 } |
102 | 102 |
103 bool DecoderZlib::HandleRectData(ChromotingHostMessage* message) { | 103 bool DecoderZlib::HandleRectData(HostMessage* message) { |
104 DCHECK_EQ(kWaitingForRectData, state_); | 104 DCHECK_EQ(kWaitingForRectData, state_); |
105 DCHECK_EQ(0, | 105 DCHECK_EQ(0, |
106 message->update_stream_packet().rect_data().sequence_number()); | 106 message->update_stream_packet().rect_data().sequence_number()); |
107 | 107 |
108 const uint8* in = | 108 const uint8* in = |
109 (const uint8*)message->update_stream_packet().rect_data().data().data(); | 109 (const uint8*)message->update_stream_packet().rect_data().data().data(); |
110 const int in_size = | 110 const int in_size = |
111 message->update_stream_packet().rect_data().data().size(); | 111 message->update_stream_packet().rect_data().data().size(); |
112 const int row_size = rect_width_ * bytes_per_pixel_; | 112 const int row_size = rect_width_ * bytes_per_pixel_; |
113 int stride = frame_->stride(media::VideoFrame::kRGBPlane); | 113 int stride = frame_->stride(media::VideoFrame::kRGBPlane); |
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138 // If this row is completely filled then move onto the next row. | 138 // If this row is completely filled then move onto the next row. |
139 if (row_pos_ == row_size) { | 139 if (row_pos_ == row_size) { |
140 ++row_y_; | 140 ++row_y_; |
141 row_pos_ = 0; | 141 row_pos_ = 0; |
142 out += stride; | 142 out += stride; |
143 } | 143 } |
144 } | 144 } |
145 return true; | 145 return true; |
146 } | 146 } |
147 | 147 |
148 bool DecoderZlib::HandleEndRect(ChromotingHostMessage* message) { | 148 bool DecoderZlib::HandleEndRect(HostMessage* message) { |
149 DCHECK_EQ(kWaitingForRectData, state_); | 149 DCHECK_EQ(kWaitingForRectData, state_); |
150 state_ = kWaitingForBeginRect; | 150 state_ = kWaitingForBeginRect; |
151 | 151 |
152 updated_rects_->clear(); | 152 updated_rects_->clear(); |
153 updated_rects_->push_back(gfx::Rect(rect_x_, rect_y_, | 153 updated_rects_->push_back(gfx::Rect(rect_x_, rect_y_, |
154 rect_width_, rect_height_)); | 154 rect_width_, rect_height_)); |
155 partial_decode_done_->Run(); | 155 partial_decode_done_->Run(); |
156 return true; | 156 return true; |
157 } | 157 } |
158 | 158 |
159 } // namespace remoting | 159 } // namespace remoting |
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