1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef REMOTING_CODEC_VIDEO_ENCODER_VERBATIM_H_ 6 #define REMOTING_CODEC_VIDEO_ENCODER_VERBATIM_H_ 7 8 #include "base/time/time.h" 9 #include "remoting/codec/video_encoder.h" 10 #include "remoting/proto/video.pb.h" 11 #include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h" 12 13 namespace remoting { 14 15 // VideoEncoderVerbatim implements a VideoEncoder that sends image data as a 16 // sequence of RGB values, without compression. 17 class VideoEncoderVerbatim : public VideoEncoder { 18 public: 19 VideoEncoderVerbatim(); 20 virtual ~VideoEncoderVerbatim(); 21 22 // Sets maximum size of data in video packets. Used by unittests. 23 void SetMaxPacketSize(int size); 24 25 // VideoEncoder interface. 26 virtual void Encode( 27 const webrtc::DesktopFrame* frame, 28 const DataAvailableCallback& data_available_callback) OVERRIDE; 29 30 private: 31 // Encode a single dirty |rect|. 32 void EncodeRect(const webrtc::DesktopFrame* frame, 33 const webrtc::DesktopRect& rect, 34 bool last); 35 36 // Initializes first packet in a sequence of video packets to update screen 37 // rectangle |rect|. 38 void PrepareUpdateStart(const webrtc::DesktopFrame* frame, 39 const webrtc::DesktopRect& rect, 40 VideoPacket* packet); 41 42 // Allocates a buffer of the specified |size| inside |packet| and returns the 43 // pointer to it. 44 uint8* GetOutputBuffer(VideoPacket* packet, size_t size); 45 46 // Submit |packet| to |callback_|. 47 void SubmitMessage(VideoPacket* packet, size_t rect_index); 48 49 DataAvailableCallback callback_; 50 base::Time encode_start_time_; 51 52 // The most recent screen size. 53 webrtc::DesktopSize screen_size_; 54 55 int max_packet_size_; 56 }; 57 58 } // namespace remoting 59 60 #endif // REMOTING_CODEC_VIDEO_ENCODER_VERBATIM_H_ 61
