Mercurial Hosting > traffic-intelligence
changeset 970:bf401567a933
work on initializing videos for metadata
| author | Nicolas Saunier <nicolas.saunier@polymtl.ca> |
|---|---|
| date | Thu, 07 Dec 2017 23:31:54 -0500 |
| parents | 5d788d2e8ffc |
| children | 9897a13772fb |
| files | python/metadata.py |
| diffstat | 1 files changed, 11 insertions(+), 5 deletions(-) [+] |
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--- a/python/metadata.py Thu Dec 07 17:03:09 2017 -0500 +++ b/python/metadata.py Thu Dec 07 23:31:54 2017 -0500 @@ -9,7 +9,7 @@ from sqlalchemy.ext.declarative import declarative_base from utils import datetimeFormat, removeExtension, getExtension -from cvutils import computeUndistortMaps, videoFilenameExtensions +from cvutils import computeUndistortMaps, videoFilenameExtensions, infoVideo from moving import TimeInterval """ @@ -377,14 +377,20 @@ session.commit() # TODO crawler for video files? -def initializeVideos(session, site, cameraView, directoryName, startTime = None, datetimeFormat = None): +def initializeVideos(session, cameraView, directoryName, startTime = None, datetimeFormat = None): '''Initializes videos with time or tries to guess it from filename directoryName should contain the videos to find and be the relative path from the site location''' names = listdir(directoryName) videoSequences = [] for name in names: + prefix = removeExtension(name) extension = getExtension(name) - print(name, extension) if extension in videoFilenameExtensions: - videoSequences.append(VideoSequence(directoryName+sep+name, startTime, None, cameraView, directoryName+sep+'.sqlite')) - return videoSequences + vidinfo = infoVideo(directoryName+sep+name) + duration = vidinfo['number of frames']#timedelta(minutes = 27, seconds = 33) + fps = vidinfo['fps'] + duration = timedelta(seconds=duration/fps) + videoSequences.append(VideoSequence(directoryName+sep+name, startTime, duration, cameraView, directoryName+sep+prefix+'.sqlite')) + startTime += duration + session.add_all(videoSequences) + session.commit()