def warp_face_from_webcam(facial_mask_fn, video_out_fn):
"""
Function to read video frames from the web cam, replace first found face by the face from the still image
and show processed frames in a window. Also all processed frames will be save as a video.
:param facial_mask_fn: path to the still image with a face
:param video_out_fn: path to the video file which will have 'replaced' face
"""
facial_mask = cv2.cvtColor(cv2.imread(facial_mask_fn), cv2.COLOR_BGR2GRAY)
facial_mask_lm = faceWarp.find_landmarks(facial_mask, faceWarp.predictor)
cam = cv2.VideoCapture(0)
frame_size = (
420, 240
) # downsample size, without downsampling too many frames dropped
video_out = cv2.VideoWriter(
filename=video_out_fn,
fourcc=cv2.VideoWriter_fourcc(
'm', '2', 'v',
'1'), # works good on OSX, for other OS maybe try other codecs
frameSize=frame_size,
fps=25.0,
isColor=True)
while True:
ret, frame_in = cam.read()
# Downsample frame - otherwise processing is too slow
frame_in = cv2.resize(frame_in, dsize=frame_size)
frame_in = cv2.cvtColor(frame_in, cv2.COLOR_BGR2GRAY)
frame_out = faceWarp.face_warp(facial_mask, facial_mask_lm, frame_in)
frame_out = cv2.cvtColor(frame_out, cv2.COLOR_GRAY2BGR)
video_out.write(frame_out)
faceWarp.draw_str(frame_out, (20, 20),
'ESC: stop recording Space: stop & save video')
cv2.imshow('webcam', frame_out)
ch = 0xFF & cv2.waitKey(1)
if ch == 27:
break
if ch == ord(' '):
break
cam.release()
cv2.destroyAllWindows()
def warp_face_from_webcam(facial_mask_fn, video_out_fn):
"""
Function to read video frames from the web cam, replace first found face by the face from the still image
and show processed frames in a window. Also all processed frames will be save as a video.
:param facial_mask_fn: path to the still image with a face
:param video_out_fn: path to the video file which will have 'replaced' face
"""
facial_mask = cv2.cvtColor(cv2.imread(facial_mask_fn), cv2.COLOR_BGR2GRAY)
facial_mask_lm = faceWarp.find_landmarks(facial_mask, faceWarp.predictor)
cam = cv2.VideoCapture(0)
frame_size = (420, 240) # downsample size, without downsampling too many frames dropped
video_out = cv2.VideoWriter(
filename=video_out_fn,
fourcc=cv2.cv.CV_FOURCC('m', 'p', '4', 'v'), # works good on OSX, for other OS maybe try other codecs
frameSize=frame_size,
fps=25.0,
isColor=True)
while True:
ret, frame_in = cam.read()
# Downsample frame - otherwise processing is too slow
frame_in = cv2.resize(frame_in, dsize=frame_size)
frame_in = cv2.cvtColor(frame_in, cv2.COLOR_BGR2GRAY)
frame_out = faceWarp.face_warp(facial_mask, facial_mask_lm, frame_in)
frame_out = cv2.cvtColor(frame_out, cv2.COLOR_GRAY2BGR)
video_out.write(frame_out)
faceWarp.draw_str(frame_out, (20, 20), 'ESC: stop recording Space: stop & save video')
cv2.imshow('webcam', frame_out)
ch = 0xFF & cv2.waitKey(1)
if ch == 27:
break
if ch == ord(' '):
break
cam.release()
cv2.destroyAllWindows()