Code: Alles auswählen
class BoardVideo(MediaFile):
"""
This class contains the board video and a method to analyse the video
"""
def __init__(self, file_path):
self.__file_path = str(file_path)
self.board_subvideos = list()
def get(self):
return self.__file_path
def check_board_area(self, progress):
"""
a method that analyse the video frame per frame and save the Clips (Board) in a list
"""
video = cv2.VideoCapture(self.__file_path)
maxframes = int(video.get(cv2.CAP_PROP_FRAME_COUNT))
try:
times = list()
for frame_number in count():
if frame_number % 30 == 0:
progress(frame_number/maxframes*100)
is_ok, frame = video.read()
if not is_ok:
if times:
self.board_subvideos.append((times[0], times[-1]))
break
frame = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
(thresh, frame) = cv2.threshold(frame, 60, 255, cv2.THRESH_BINARY)
average = cv2.mean(frame)
#summe = average[0] + average[1] + average[2]
#percentage_red = (100 * average[0]) / summe
#percentage_green = (100 * average[1]) / summe
#percentage_blue = (100 * average[2]) / summe
if average[0] > 250:
times.append(video.get(cv2.CAP_PROP_POS_MSEC) / 1000)
elif times:
self.board_subvideos.append((times[0], times[-1]))
times.clear()
finally:
video.release()Code: Alles auswählen
class SpeakerVideo(MediaFile):
"""
This class contains the video
"""
def __init__(self, file_path):
self.__file_path = str(file_path)
self.speaker_subvideos = list()
def get(self):
return self.__file_path
def check_speaker(self, progress):
"""
a method that analyse the video frame per frame and save the Clips (Speaker) in a list
"""
video = cv2.VideoCapture(self.__file_path)
maxframes = int(video.get(cv2.CAP_PROP_FRAME_COUNT))
try:
times = list()
for frame_number in count():
if frame_number % 30 == 0:
progress(frame_number/maxframes*100)
is_ok, frame = video.read()
if not is_ok:
if times:
self.speaker_subvideos.append((times[0], times[-1]))
break
frame = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
(thresh, frame) = cv2.threshold(frame, 60, 255, cv2.THRESH_BINARY)
average = cv2.mean(frame)
if average[0] < 250:
times.append(video.get(cv2.CAP_PROP_POS_MSEC) / 1000)
elif times:
self.speaker_subvideos.append((times[0], times[-1]))
times.clear()
finally:
video.release()