1/* |
2 * Copyright (c) 2010, 2015, 2017 ARM Limited |
3 * All rights reserved 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software 9 * licensed hereunder. You may use the software subject to the license 10 * terms below provided that you ensure that this notice is replicated --- 32 unchanged lines hidden (view full) --- 43 */ 44 45#include "base/vnc/vncinput.hh" 46 47#include <sys/types.h> 48 49#include "base/misc.hh" 50#include "base/output.hh" |
51 |
52#include "base/trace.hh" 53#include "debug/VNC.hh" 54 55using namespace std; 56 57VncInput::VncInput(const Params *p) 58 : SimObject(p), keyboard(NULL), mouse(NULL), 59 fb(&FrameBuffer::dummy), 60 _videoWidth(fb->width()), _videoHeight(fb->height()), 61 captureEnabled(p->frame_capture), |
62 captureCurrentFrame(0), captureLastHash(0), 63 imgFormat(p->img_format) |
64{ 65 if (captureEnabled) { 66 // remove existing frame output directory if it exists, then create a 67 // clean empty directory 68 const string FRAME_OUTPUT_SUBDIR = "frames_" + name(); 69 simout.remove(FRAME_OUTPUT_SUBDIR, true); 70 captureOutputDirectory = simout.createSubdirectory( 71 FRAME_OUTPUT_SUBDIR); 72 } 73} 74 75void 76VncInput::setFrameBuffer(const FrameBuffer *rfb) 77{ 78 if (!rfb) 79 panic("Trying to VNC frame buffer to NULL!"); 80 81 fb = rfb; 82 |
83 // Create the Image Writer object in charge of dumping 84 // the frame buffer raw data into a file in a specific format. 85 if (captureEnabled) { 86 captureImage = createImgWriter(imgFormat, rfb); 87 } |
88 89 // Setting a new frame buffer means that we need to send an update 90 // to the client. Mark the internal buffers as dirty to do so. 91 setDirty(); 92} 93 94void 95VncInput::setDirty() --- 13 unchanged lines hidden (view full) --- 109 110 if (captureEnabled) 111 captureFrameBuffer(); 112} 113 114void 115VncInput::captureFrameBuffer() 116{ |
117 assert(captureImage); |
118 119 // skip identical frames 120 uint64_t new_hash = fb->getHash(); 121 if (captureLastHash == new_hash) 122 return; 123 captureLastHash = new_hash; 124 125 // get the filename for the current frame 126 char frameFilenameBuffer[64]; |
127 snprintf(frameFilenameBuffer, 64, "fb.%06d.%lld.%s.gz", 128 captureCurrentFrame, static_cast<long long int>(curTick()), 129 captureImage->getImgExtension()); |
130 const string frameFilename(frameFilenameBuffer); 131 132 // create the compressed framebuffer file 133 OutputStream *fb_out(captureOutputDirectory->create(frameFilename, true)); |
134 captureImage->write(*fb_out->stream()); |
135 captureOutputDirectory->close(fb_out); 136 137 ++captureCurrentFrame; 138} 139 140// create the VNC Replayer object 141VncInput * 142VncInputParams::create() 143{ 144 return new VncInput(this); 145} |