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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_verbatim.h" | 5 #include "remoting/base/decoder_verbatim.h" |
| 6 | 6 |
| 7 #include "remoting/base/protocol_util.h" | 7 #include "remoting/base/protocol_util.h" |
| 8 | 8 |
| 9 namespace remoting { | 9 namespace remoting { |
| 10 | 10 |
| (...skipping 20 matching lines...) Expand all Loading... |
| 31 partial_decode_done_.reset(partial_decode_done); | 31 partial_decode_done_.reset(partial_decode_done); |
| 32 decode_done_.reset(decode_done); | 32 decode_done_.reset(decode_done); |
| 33 updated_rects_ = updated_rects; | 33 updated_rects_ = updated_rects; |
| 34 | 34 |
| 35 // TODO(hclam): Check if we can accept the color format of the video frame | 35 // TODO(hclam): Check if we can accept the color format of the video frame |
| 36 // and the codec. | 36 // and the codec. |
| 37 frame_ = frame; | 37 frame_ = frame; |
| 38 return true; | 38 return true; |
| 39 } | 39 } |
| 40 | 40 |
| 41 bool DecoderVerbatim::PartialDecode(ChromotingHostMessage* message) { | 41 bool DecoderVerbatim::PartialDecode(HostMessage* message) { |
| 42 scoped_ptr<ChromotingHostMessage> msg_deleter(message); | 42 scoped_ptr<HostMessage> msg_deleter(message); |
| 43 DCHECK(message->has_update_stream_packet()); | 43 DCHECK(message->has_update_stream_packet()); |
| 44 | 44 |
| 45 bool ret = true; | 45 bool ret = true; |
| 46 if (message->update_stream_packet().has_begin_rect()) | 46 if (message->update_stream_packet().has_begin_rect()) |
| 47 ret = HandleBeginRect(message); | 47 ret = HandleBeginRect(message); |
| 48 if (ret && message->update_stream_packet().has_rect_data()) | 48 if (ret && message->update_stream_packet().has_rect_data()) |
| 49 ret = HandleRectData(message); | 49 ret = HandleRectData(message); |
| 50 if (ret && message->update_stream_packet().has_end_rect()) | 50 if (ret && message->update_stream_packet().has_end_rect()) |
| 51 ret = HandleEndRect(message); | 51 ret = HandleEndRect(message); |
| 52 return ret; | 52 return ret; |
| 53 } | 53 } |
| 54 | 54 |
| 55 void DecoderVerbatim::EndDecode() { | 55 void DecoderVerbatim::EndDecode() { |
| 56 DCHECK_EQ(kWaitingForBeginRect, state_); | 56 DCHECK_EQ(kWaitingForBeginRect, state_); |
| 57 decode_done_->Run(); | 57 decode_done_->Run(); |
| 58 | 58 |
| 59 partial_decode_done_.reset(); | 59 partial_decode_done_.reset(); |
| 60 decode_done_.reset(); | 60 decode_done_.reset(); |
| 61 frame_ = NULL; | 61 frame_ = NULL; |
| 62 updated_rects_ = NULL; | 62 updated_rects_ = NULL; |
| 63 } | 63 } |
| 64 | 64 |
| 65 bool DecoderVerbatim::HandleBeginRect(ChromotingHostMessage* message) { | 65 bool DecoderVerbatim::HandleBeginRect(HostMessage* message) { |
| 66 DCHECK_EQ(kWaitingForBeginRect, state_); | 66 DCHECK_EQ(kWaitingForBeginRect, state_); |
| 67 state_ = kWaitingForRectData; | 67 state_ = kWaitingForRectData; |
| 68 | 68 |
| 69 rect_width_ = message->update_stream_packet().begin_rect().width(); | 69 rect_width_ = message->update_stream_packet().begin_rect().width(); |
| 70 rect_height_ = message->update_stream_packet().begin_rect().height(); | 70 rect_height_ = message->update_stream_packet().begin_rect().height(); |
| 71 rect_x_ = message->update_stream_packet().begin_rect().x(); | 71 rect_x_ = message->update_stream_packet().begin_rect().x(); |
| 72 rect_y_ = message->update_stream_packet().begin_rect().y(); | 72 rect_y_ = message->update_stream_packet().begin_rect().y(); |
| 73 | 73 |
| 74 PixelFormat pixel_format = | 74 PixelFormat pixel_format = |
| 75 message->update_stream_packet().begin_rect().pixel_format(); | 75 message->update_stream_packet().begin_rect().pixel_format(); |
| 76 | 76 |
| 77 if (static_cast<PixelFormat>(frame_->format()) != pixel_format) { | 77 if (static_cast<PixelFormat>(frame_->format()) != pixel_format) { |
| 78 NOTREACHED() << "Pixel format of message doesn't match the video frame. " | 78 NOTREACHED() << "Pixel format of message doesn't match the video frame. " |
| 79 "Expected vs received = " | 79 "Expected vs received = " |
| 80 << frame_->format() << " vs " << pixel_format | 80 << frame_->format() << " vs " << pixel_format |
| 81 << " Color space conversion required."; | 81 << " Color space conversion required."; |
| 82 return false; | 82 return false; |
| 83 } | 83 } |
| 84 | 84 |
| 85 bytes_per_pixel_ = GetBytesPerPixel(pixel_format); | 85 bytes_per_pixel_ = GetBytesPerPixel(pixel_format); |
| 86 return true; | 86 return true; |
| 87 } | 87 } |
| 88 | 88 |
| 89 bool DecoderVerbatim::HandleRectData(ChromotingHostMessage* message) { | 89 bool DecoderVerbatim::HandleRectData(HostMessage* message) { |
| 90 DCHECK_EQ(kWaitingForRectData, state_); | 90 DCHECK_EQ(kWaitingForRectData, state_); |
| 91 DCHECK_EQ(0, | 91 DCHECK_EQ(0, |
| 92 message->update_stream_packet().rect_data().sequence_number()); | 92 message->update_stream_packet().rect_data().sequence_number()); |
| 93 | 93 |
| 94 // Copy the data line by line. | 94 // Copy the data line by line. |
| 95 const int src_stride = bytes_per_pixel_ * rect_width_; | 95 const int src_stride = bytes_per_pixel_ * rect_width_; |
| 96 const char* src = | 96 const char* src = |
| 97 message->update_stream_packet().rect_data().data().c_str(); | 97 message->update_stream_packet().rect_data().data().c_str(); |
| 98 int src_stride_dir = src_stride; | 98 int src_stride_dir = src_stride; |
| 99 if (reverse_rows_) { | 99 if (reverse_rows_) { |
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| 111 src += src_stride_dir; | 111 src += src_stride_dir; |
| 112 } | 112 } |
| 113 | 113 |
| 114 updated_rects_->clear(); | 114 updated_rects_->clear(); |
| 115 updated_rects_->push_back(gfx::Rect(rect_x_, rect_y_, | 115 updated_rects_->push_back(gfx::Rect(rect_x_, rect_y_, |
| 116 rect_width_, rect_height_)); | 116 rect_width_, rect_height_)); |
| 117 partial_decode_done_->Run(); | 117 partial_decode_done_->Run(); |
| 118 return true; | 118 return true; |
| 119 } | 119 } |
| 120 | 120 |
| 121 bool DecoderVerbatim::HandleEndRect(ChromotingHostMessage* message) { | 121 bool DecoderVerbatim::HandleEndRect(HostMessage* message) { |
| 122 DCHECK_EQ(kWaitingForRectData, state_); | 122 DCHECK_EQ(kWaitingForRectData, state_); |
| 123 state_ = kWaitingForBeginRect; | 123 state_ = kWaitingForBeginRect; |
| 124 return true; | 124 return true; |
| 125 } | 125 } |
| 126 | 126 |
| 127 } // namespace remoting | 127 } // namespace remoting |
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