Mercurial Hosting > traffic-intelligence

comparison scripts/polytracktopdtv.py @ 998:933670761a57

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
updated code to python 3 (tests pass and scripts run, but non-executed parts of code are probably still not correct)
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Sun, 27 May 2018 23:22:48 -0400
parents 3058e00887bc
children cc5cb04b04b0
comparison
equal deleted inserted replaced
997:4f3387a242a1 998:933670761a57
1 #! /usr/bin/env python 1 #! /usr/bin/env python3
2 2
3 from pdtv import TsaiCamera, ZipVideo, SyncedVideos, TrackSet, Track, State 3 from pdtv import TsaiCamera, ZipVideo, SyncedVideos, TrackSet, Track, State
4 import sys, os, datetime, argparse 4 import sys, os, datetime, argparse
5 import shutil 5 import shutil
6 import sqlite3 6 import sqlite3
66 66
67 currentIdx = firstFrameNum 67 currentIdx = firstFrameNum
68 frameList = cvutils.getImagesFromVideo(videoFile, firstFrameNum = currentIdx, nFrames = inc) 68 frameList = cvutils.getImagesFromVideo(videoFile, firstFrameNum = currentIdx, nFrames = inc)
69 69
70 while len(frameList) == inc and inc > 0: 70 while len(frameList) == inc and inc > 0:
71
72 for f in frameList: 71 for f in frameList:
73 cv2.imwrite(os.path.join(framePath,time.strftime("%Y%m%d-%H%M%S.%f")[:-3]+'.jpg'), f) 72 cv2.imwrite(os.path.join(framePath,time.strftime("%Y%m%d-%H%M%S.%f")[:-3]+'.jpg'), f)
74 time += datetime.timedelta(microseconds=deltaTimestamp*1000) 73 time += datetime.timedelta(microseconds=deltaTimestamp*1000)
75 currentIdx = currentIdx + inc 74 currentIdx = currentIdx + inc
76 75
78 delta = lastFrameNum-currentIdx 77 delta = lastFrameNum-currentIdx
79 if delta < inc: 78 if delta < inc:
80 inc = delta 79 inc = delta
81 if inc: 80 if inc:
82 frameList = cvutils.getImagesFromVideo(videoFile, firstFrameNum = currentIdx, nFrames = inc) 81 frameList = cvutils.getImagesFromVideo(videoFile, firstFrameNum = currentIdx, nFrames = inc)
83 print('Extracting frame ' + str(currentIdx)) 82 print('Extracting frame {}'.format(currentIdx))
84 return len(frameList) > 0 83 return len(frameList) > 0
85 84
86 85
87 86
88 def convertDatabase(workDirname, sectionName, sceneFilename = None, databaseFilename = None, videoFilename = None, videoFolderExist = False, firstFrameNum = 0, lastFrameNum = None, cameraCalibrationFilename = None, outputFileName = 'roaduser.json'): 87 def convertDatabase(workDirname, sectionName, sceneFilename = None, databaseFilename = None, videoFilename = None, videoFolderExist = False, firstFrameNum = 0, lastFrameNum = None, cameraCalibrationFilename = None, outputFileName = 'roaduser.json'):
113 videoFolderPath = os.path.join(workDirname, "videoframes/") 112 videoFolderPath = os.path.join(workDirname, "videoframes/")
114 fileName = sectionName 113 fileName = sectionName
115 114
116 if videoFile is not None: 115 if videoFile is not None:
117 fps = cvutils.getFPS(videoFile) 116 fps = cvutils.getFPS(videoFile)
118 print('Video should run at ' + str(fps) + ' fps') 117 print('Video should run at {} fps'.format(fps))
119 deltaTimestamp = 1000.0/float(fps); 118 deltaTimestamp = 1000.0/float(fps);
120 if videoFolderExist == False: 119 if videoFolderExist == False:
121 if os.path.exists(videoFolderPath): 120 if os.path.exists(videoFolderPath):
122 shutil.rmtree(videoFolderPath) 121 shutil.rmtree(videoFolderPath)
123 utils.mkdir(videoFolderPath) 122 utils.mkdir(videoFolderPath)