Video-Summary/Layer.py

51 lines
1.2 KiB
Python

import numpy as np
import cv2
import imutils
class Layer:
#data = [(contour, (x,y,w,h)),]
startFrame = None
lastFrame = None
length = None
def __init__(self, startFrame, data):
self.startFrame = startFrame
self.lastFrame = startFrame
self.data = []
self.bounds = []
self.bounds.append(data)
#print("Layer constructed")
def add(self, frameNumber, data):
if not (self.startFrame + len(self.bounds) - frameNumber < 0):
self.lastFrame = frameNumber
self.bounds.append(data)
def getLength(self):
self.length = len(self.data)
return self.length
def fill(self, inputPath):
'''reads in the contour data, needed for export'''
cap = cv2.VideoCapture(inputPath)
self.data = [None]*len(self.bounds)
i = 0
cap.set(1, self.startFrame)
while i < len(self.bounds):
ret, frame = cap.read()
if ret:
frame = imutils.resize(frame, width=512)
(x, y, w, h) = self.bounds[i]
self.data[i] = frame[y:y+h, x:x+w]
i+=1
cap.release()