import os | |
import cv2 | |
import torch | |
from imageio_ffmpeg import get_ffmpeg_exe | |
def extract_kps_sequence_from_video( | |
face_analysis_app, | |
video_path, audio_save_path, | |
kps_sequence_save_path): | |
os.system(f'{get_ffmpeg_exe()} -i "{video_path}" -y -vn "{audio_save_path}"') | |
kps_sequence = [] | |
video_capture = cv2.VideoCapture(video_path) | |
frame_idx = 0 | |
while video_capture.isOpened(): | |
ret, frame = video_capture.read() | |
if not ret: | |
break | |
faces = face_analysis_app.get(frame) | |
assert len(faces) == 1, f'There are {len(faces)} faces in the {frame_idx}-th frame. Only one face is supported.' | |
kps = faces[0].kps[:3] | |
kps_sequence.append(kps) | |
frame_idx += 1 | |
torch.save(kps_sequence, kps_sequence_save_path) | |