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1 // Copyright (c) 2011 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/encoder_row_based.h" | 5 #include "remoting/base/encoder_row_based.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "remoting/base/capture_data.h" | 8 #include "remoting/base/capture_data.h" |
9 #include "remoting/base/compressor_verbatim.h" | 9 #include "remoting/base/compressor_verbatim.h" |
10 #include "remoting/base/compressor_zlib.h" | 10 #include "remoting/base/compressor_zlib.h" |
11 #include "remoting/base/util.h" | 11 #include "remoting/base/util.h" |
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59 | 59 |
60 void EncoderRowBased::Encode(scoped_refptr<CaptureData> capture_data, | 60 void EncoderRowBased::Encode(scoped_refptr<CaptureData> capture_data, |
61 bool key_frame, | 61 bool key_frame, |
62 DataAvailableCallback* data_available_callback) { | 62 DataAvailableCallback* data_available_callback) { |
63 CHECK(capture_data->pixel_format() == media::VideoFrame::RGB32) | 63 CHECK(capture_data->pixel_format() == media::VideoFrame::RGB32) |
64 << "RowBased Encoder only works with RGB32. Got " | 64 << "RowBased Encoder only works with RGB32. Got " |
65 << capture_data->pixel_format(); | 65 << capture_data->pixel_format(); |
66 capture_data_ = capture_data; | 66 capture_data_ = capture_data; |
67 callback_.reset(data_available_callback); | 67 callback_.reset(data_available_callback); |
68 | 68 |
69 const SkRegion& region = capture_data->dirty_region(); | 69 const InvalidRects& rects = capture_data->dirty_rects(); |
70 SkRegion::Iterator iter(region); | 70 for (InvalidRects::const_iterator r = rects.begin(); r != rects.end(); ++r) { |
71 while (!iter.done()) { | 71 EncodeRect(*r, r == --rects.end()); |
72 SkIRect rect = iter.rect(); | |
73 iter.next(); | |
74 EncodeRect(rect, iter.done()); | |
75 } | 72 } |
76 | 73 |
77 capture_data_ = NULL; | 74 capture_data_ = NULL; |
78 callback_.reset(); | 75 callback_.reset(); |
79 } | 76 } |
80 | 77 |
81 void EncoderRowBased::EncodeRect(const SkIRect& rect, bool last) { | 78 void EncoderRowBased::EncodeRect(const gfx::Rect& rect, bool last) { |
82 CHECK(capture_data_->data_planes().data[0]); | 79 CHECK(capture_data_->data_planes().data[0]); |
83 const int strides = capture_data_->data_planes().strides[0]; | 80 const int strides = capture_data_->data_planes().strides[0]; |
84 const int bytes_per_pixel = GetBytesPerPixel(capture_data_->pixel_format()); | 81 const int bytes_per_pixel = GetBytesPerPixel(capture_data_->pixel_format()); |
85 const int row_size = bytes_per_pixel * rect.width(); | 82 const int row_size = bytes_per_pixel * rect.width(); |
86 | 83 |
87 compressor_->Reset(); | 84 compressor_->Reset(); |
88 | 85 |
89 VideoPacket* packet = new VideoPacket(); | 86 VideoPacket* packet = new VideoPacket(); |
90 PrepareUpdateStart(rect, packet); | 87 PrepareUpdateStart(rect, packet); |
91 const uint8* in = capture_data_->data_planes().data[0] + | 88 const uint8* in = capture_data_->data_planes().data[0] + |
92 rect.fTop * strides + rect.fLeft * bytes_per_pixel; | 89 rect.y() * strides + rect.x() * bytes_per_pixel; |
93 // TODO(hclam): Fill in the sequence number. | 90 // TODO(hclam): Fill in the sequence number. |
94 uint8* out = GetOutputBuffer(packet, packet_size_); | 91 uint8* out = GetOutputBuffer(packet, packet_size_); |
95 int filled = 0; | 92 int filled = 0; |
96 int row_pos = 0; // Position in the current row in bytes. | 93 int row_pos = 0; // Position in the current row in bytes. |
97 int row_y = 0; // Current row. | 94 int row_y = 0; // Current row. |
98 bool compress_again = true; | 95 bool compress_again = true; |
99 while (compress_again) { | 96 while (compress_again) { |
100 // Prepare a message for sending out. | 97 // Prepare a message for sending out. |
101 if (!packet) { | 98 if (!packet) { |
102 packet = new VideoPacket(); | 99 packet = new VideoPacket(); |
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138 | 135 |
139 // Reached the end of input row and we're not at the last row. | 136 // Reached the end of input row and we're not at the last row. |
140 if (row_pos == row_size && row_y < rect.height() - 1) { | 137 if (row_pos == row_size && row_y < rect.height() - 1) { |
141 row_pos = 0; | 138 row_pos = 0; |
142 in += strides; | 139 in += strides; |
143 ++row_y; | 140 ++row_y; |
144 } | 141 } |
145 } | 142 } |
146 } | 143 } |
147 | 144 |
148 void EncoderRowBased::PrepareUpdateStart(const SkIRect& rect, | 145 void EncoderRowBased::PrepareUpdateStart(const gfx::Rect& rect, |
149 VideoPacket* packet) { | 146 VideoPacket* packet) { |
150 packet->set_flags(packet->flags() | VideoPacket::FIRST_PACKET); | 147 packet->set_flags(packet->flags() | VideoPacket::FIRST_PACKET); |
151 | 148 |
152 VideoPacketFormat* format = packet->mutable_format(); | 149 VideoPacketFormat* format = packet->mutable_format(); |
153 format->set_x(rect.fLeft); | 150 format->set_x(rect.x()); |
154 format->set_y(rect.fTop); | 151 format->set_y(rect.y()); |
155 format->set_width(rect.width()); | 152 format->set_width(rect.width()); |
156 format->set_height(rect.height()); | 153 format->set_height(rect.height()); |
157 format->set_encoding(encoding_); | 154 format->set_encoding(encoding_); |
158 if (capture_data_->size() != screen_size_) { | 155 if (capture_data_->size() != screen_size_) { |
159 screen_size_ = capture_data_->size(); | 156 screen_size_ = capture_data_->size(); |
160 format->set_screen_width(screen_size_.width()); | 157 format->set_screen_width(screen_size_.width()); |
161 format->set_screen_height(screen_size_.height()); | 158 format->set_screen_height(screen_size_.height()); |
162 } | 159 } |
163 } | 160 } |
164 | 161 |
165 uint8* EncoderRowBased::GetOutputBuffer(VideoPacket* packet, size_t size) { | 162 uint8* EncoderRowBased::GetOutputBuffer(VideoPacket* packet, size_t size) { |
166 packet->mutable_data()->resize(size); | 163 packet->mutable_data()->resize(size); |
167 // TODO(ajwong): Is there a better way to do this at all??? | 164 // TODO(ajwong): Is there a better way to do this at all??? |
168 return const_cast<uint8*>(reinterpret_cast<const uint8*>( | 165 return const_cast<uint8*>(reinterpret_cast<const uint8*>( |
169 packet->mutable_data()->data())); | 166 packet->mutable_data()->data())); |
170 } | 167 } |
171 | 168 |
172 | 169 |
173 } // namespace remoting | 170 } // namespace remoting |
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