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comparison c/InputFrameListModule.cpp @ 401:b829ebdc18e6

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simplified input of directories of video frames (simply use the video filename parameter to point at the directory)
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Mon, 29 Jul 2013 18:58:05 -0400
parents 7ef1071e3cc3
children
comparison
equal deleted inserted replaced
400:7ef1071e3cc3 401:b829ebdc18e6
2 #include "utils.hpp" 2 #include "utils.hpp"
3 3
4 #include <fstream> 4 #include <fstream>
5 #include <ostream> 5 #include <ostream>
6 #include <iostream> 6 #include <iostream>
7 #include <algorithm>
8
9 //#include <boost/algorithm/string.hpp>
10 #include <boost/filesystem.hpp>
7 11
8 #include "opencv2/core/core.hpp" 12 #include "opencv2/core/core.hpp"
9 #include "opencv2/highgui/highgui.hpp" 13 #include "opencv2/highgui/highgui.hpp"
10 14
11 InputFrameListModule::InputFrameListModule(const std::string& basePath, const std::string& pictureList) 15 namespace fs = boost::filesystem;
12 : mCurrentIdx(0), mInit(false), mBasePath(basePath+"/") {
13 loadFileList(pictureList);
14 }
15 InputFrameListModule::~InputFrameListModule()
16 {
17 16
17 InputFrameListModule::InputFrameListModule(const std::string& _dirname)
18 : mCurrentIdx(0), mInit(false), dirname(_dirname){
19 loadImageList();
18 } 20 }
19 21
22 InputFrameListModule::~InputFrameListModule(void) { }
20 23
24
25 void InputFrameListModule::setFrameNumber(const unsigned int& frameNumber) {
26 if (frameNumber < filenames.size())
27 mCurrentIdx = frameNumber;
28 else
29 mCurrentIdx = filenames.size()-1;
30 }
21 31
22 bool InputFrameListModule::getNextFrame(cv::Mat& mat) 32 bool InputFrameListModule::getNextFrame(cv::Mat& mat)
23 { 33 {
24 bool success = false; 34 bool success = false;
25 if(mCurrentIdx < mFileList.size()) 35 if(mCurrentIdx < filenames.size()) {
26 { 36 mat = cv::imread(dirname+filenames[mCurrentIdx++]);
27 const std::string& fileName = mBasePath+mFileList[mCurrentIdx++];
28 mCurrentFrame = cv::imread(fileName);
29 37
30 if(!mCurrentFrame.empty()) 38 if(!mat.empty())
31 success = true; 39 success = true;
32 mat = mCurrentFrame;
33 } 40 }
34
35 41
36 return success; 42 return success;
37 } 43 }
38 44
39 unsigned int InputFrameListModule::getNbFrames() 45 unsigned int InputFrameListModule::getNbFrames(void) {
40 { 46 return filenames.size();
41 return mFileList.size();
42 } 47 }
43 48
44 void InputFrameListModule::loadFileList(const std::string& path) 49 void InputFrameListModule::loadImageList(void) {
45 { 50 for (fs::directory_iterator iter(dirname); iter!=fs::directory_iterator(); iter++)
46 std::ifstream inputFile((mBasePath+path).c_str()); 51 filenames.push_back(iter->path().filename().string());
47 ::openCheck(inputFile, mBasePath+path, "InputFrameListModule::loadFileList"); 52
48 std::string str; 53 sort(filenames.begin(), filenames.end());
49 while( !inputFile.eof() ) 54
50 { 55 if(!filenames.empty()) {
51 std::getline(inputFile, str); 56 std::cout << dirname+filenames[0] << std::endl;
52 if (str.empty()) 57 cv::Mat tmpImg = cv::imread(dirname+filenames[0]);
53 break; 58 mSize = cv::Size(tmpImg.cols, tmpImg.rows);
54 if (str.at(0) == '#' ) 59 mInit = true;
55 continue; /* comment */ 60 }
56 mFileList.push_back(str);
57 }
58
59 if(!mFileList.empty())
60 {
61 cv::Mat tmpImg = cv::imread(mBasePath+mFileList[0]);
62 mSize = cv::Size(tmpImg.cols, tmpImg.rows);
63 mInit = true;
64 }
65 } 61 }