1/*
2 * Copyright (c) 2010 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

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48#include "base/output.hh" //simout
49#include "base/trace.hh"
50#include "debug/VNC.hh"
51
52using namespace std;
53
54VncInput::VncInput(const Params *p)
55 : SimObject(p), keyboard(NULL), mouse(NULL),
56 vc(NULL), fbPtr(NULL), videoMode(VideoConvert::UnknownMode),
57 _videoWidth(1), _videoHeight(1), captureEnabled(p->frame_capture),
58 captureCurrentFrame(0), captureLastHash(0), captureBitmap(0)
59{
60 if (captureEnabled) {
61 // remove existing frame output directory if it exists, then create a
62 // clean empty directory
63 const string FRAME_OUTPUT_SUBDIR = "frames_" + name();
64 simout.remove(FRAME_OUTPUT_SUBDIR, true);
65 captureOutputDirectory = simout.createSubdirectory(
66 FRAME_OUTPUT_SUBDIR);
67 }
68}
69
70void
71VncInput::setFrameBufferParams(VideoConvert::Mode mode, uint16_t width,
72 uint16_t height)
73{
74 DPRINTF(VNC, "Updating video params: mode: %d width: %d height: %d\n", mode,
75 width, height);
76
77 if (mode != videoMode || width != videoWidth() || height != videoHeight()) {
78 videoMode = mode;
79 _videoWidth = width;
80 _videoHeight = height;
81
82 if (vc)
83 delete vc;
84
85 vc = new VideoConvert(mode, VideoConvert::rgb8888, videoWidth(),
86 videoHeight());
87
88 if (captureEnabled) {
89 // create bitmap of the frame with new attributes
90 if (captureBitmap)
91 delete captureBitmap;
92
93 assert(fbPtr);
94 captureBitmap = new Bitmap(videoMode, width, height, fbPtr);
95 assert(captureBitmap);
96 }
97 }
98}
99
100void
101VncInput::captureFrameBuffer()
102{
103 assert(captureBitmap);
104
105 // skip identical frames
106 uint64_t new_hash = captureBitmap->getHash();
107 if (captureLastHash == new_hash)
108 return;
109 captureLastHash = new_hash;
110
111 // get the filename for the current frame
112 char frameFilenameBuffer[64];
113 snprintf(frameFilenameBuffer, 64, "fb.%06d.%lld.bmp.gz",
114 captureCurrentFrame, static_cast<long long int>(curTick()));
115 const string frameFilename(frameFilenameBuffer);
116
117 // create the compressed framebuffer file
118 ostream *fb_out = simout.create(captureOutputDirectory + frameFilename,
119 true);
120 captureBitmap->write(fb_out);
121 simout.close(fb_out);
122
123 ++captureCurrentFrame;
124}
125
126// create the VNC Replayer object
127VncInput *
128VncInputParams::create()
129{
130 return new VncInput(this);
131}