source: flair-src/trunk/lib/FlairSensorActuator/src/SimulatedCamera.cpp@ 330

Last change on this file since 330 was 330, checked in by Sanahuja Guillaume, 3 years ago

use less bandwidth in vprnlite

File size: 2.4 KB
Line 
1// %flair:license{
2// This file is part of the Flair framework distributed under the
3// CECILL-C License, Version 1.0.
4// %flair:license}
5// created: 2014/03/06
6// filename: SimulatedCamera.cpp
7//
8// author: Guillaume Sanahuja
9// Copyright Heudiasyc UMR UTC/CNRS 7253
10//
11// version: $Id: $
12//
13// purpose: Class for a simulation camera
14//
15//
16/*********************************************************************/
17#ifdef CORE2_64
18
19#include "SimulatedCamera.h"
20#include <FrameworkManager.h>
21#include <GroupBox.h>
22#include <SharedMem.h>
23#include <sstream>
24#include <string.h>
25
26using std::string;
27using std::ostringstream;
28using namespace flair::core;
29using namespace flair::gui;
30
31namespace flair {
32namespace sensor {
33
34SimulatedCamera::SimulatedCamera(string name,
35 uint16_t width, uint16_t height, uint8_t channels,
36 uint32_t modelId,uint32_t deviceId, uint8_t priority)
37 : Thread(getFrameworkManager(), name, priority),
38 Camera(name, width, height, cvimage::Type::Format::BGR) {
39
40 buf_size = width * height * channels+sizeof(Time);
41
42 shmemReadBuf=(char*)malloc(buf_size);
43 output->buffer = shmemReadBuf;
44
45 shmem = new SharedMem((Thread *)this,ShMemName(modelId, deviceId), buf_size, SharedMem::Type::producerConsumer);
46
47 SetIsReady(true);
48}
49
50
51SimulatedCamera::~SimulatedCamera() {
52 SafeStop();
53 Join();
54 if(shmemReadBuf!=NULL) delete shmemReadBuf;
55}
56
57string SimulatedCamera::ShMemName(uint32_t modelId,uint32_t deviceId) {
58 ostringstream dev_name;
59 dev_name << "simu" << modelId << "_cam_" << deviceId;
60 return dev_name.str().c_str();
61}
62
63void SimulatedCamera::Run(void) {
64 Time time;
65
66// SetPeriodUS((uint32_t)(1000000. / data_rate->Value()));
67 shmem->ReaderReady();
68
69 while (!ToBeStopped()) {
70// WaitPeriod();
71
72// if (data_rate->ValueChanged() == true) {
73// SetPeriodUS((uint32_t)(1000000. / data_rate->Value()));
74// }
75
76 output->GetMutex();
77 //blocking read
78 if (shmem->Read(shmemReadBuf, buf_size, 1000000000)) { // remplacer copie par
79 // échange de pointeur sur
80 // double buffering
81
82 output->ReleaseMutex();
83 memcpy(&time, shmemReadBuf + buf_size - sizeof(Time), sizeof(Time));
84 output->SetDataTime(time);
85
86 ProcessUpdate(output);
87 } else {
88 output->ReleaseMutex();
89 //Thread::Warn("Read Timeout\n");
90 }
91 }
92}
93
94} // end namespace sensor
95} // end namespace flair
96
97#endif
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