Datasets:
Yasser Dahou commited on
Delete crop_videos.py
Browse files- crop_videos.py +0 -105
crop_videos.py
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import json
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import numpy as np
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import os
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from tqdm import tqdm
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import subprocess
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from glob import glob
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import argparse
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import time
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from utils import crop_video, crop_face, write_video, crop_and_save_audio
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from concurrent.futures import ProcessPoolExecutor, ThreadPoolExecutor, as_completed
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import sys
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'''
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Crop the untrimmed videos into multiple clips using corresponding start and end times, bounding boxes and face landmarks.
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Usage:
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python crop_videos.py --video_dir /path/to/25-fps-videos --save_path /path/to/save/the/clips --json /path/to/json/file
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To save videos using ffmpeg, add "--use_ffmpeg True". This takes additional time but saves disk space.
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To additionally save audio as separate wav files, add "--save_audio True"
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To merge audio with video and save as a single mp4, add "--merge_audio True"
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'''
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def write_clip(metadata, vid_p, args):
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'''
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param metadata: dict containing start, end, bounding boxes, landmarks
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param vid_p: path to original untrimmed video at 25fps
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param args: main args
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'''
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for k, clip in enumerate(metadata):
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# get the clip frames and corresponding landmarks
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video, landmarks = crop_video(vid_p, clip)
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# get the cropped sequence around the mouth using the landmarks
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crop_seq = crop_face(video, landmarks)
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save_video_path = os.path.join(args.save_path, 'videos', vid_p.split('/')[-1][:-4], f'{str(k).zfill(5)}.mp4')
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save_audio_path = save_video_path.replace('.mp4','.wav')
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# get the audio part of the clip
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if args.save_audio or args.merge_audio:
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crop_and_save_audio(vid_p, save_audio_path, clip['start'], clip['end'])
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# write clip to disk
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write_video(save_video_path, crop_seq, save_audio_path, merge_audio=args.merge_audio, use_ffmpeg=args.use_ffmpeg)
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return
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def main(args):
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savepath = args.save_path
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json_path = args.json
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vid_dir = args.video_dir
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video_list = glob(os.path.join(vid_dir, '25_fps_videos*', '*.mp4'))
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print(f'Loading json file {json_path}')
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data = json.load(open(json_path,'r'))
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print(f'Total number of videos {len(video_list)}. Json length {len(data)}')
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video_ids = list(data.keys())
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count_clips = 0
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futures = []
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writer_str = 'Ffmpeg' if args.use_ffmpeg else 'cv2.VideoWriter'
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print(f'Using {writer_str} to save the cropped clips.')
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with tqdm(total=len(video_ids), file=sys.stdout) as progress:
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with ProcessPoolExecutor() as executor:
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for z in video_ids:
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idx = [k for k, i in enumerate(video_list) if z in i]
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metadata = data[z]
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vid_p = video_list[idx[0]]
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os.makedirs(os.path.join(savepath, 'videos', vid_p.split('/')[-1][:-4]), exist_ok=True)
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future = executor.submit(write_clip, metadata, vid_p, args)
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futures.append(future)
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for _ in as_completed(futures):
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progress.update()
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print(f'Cropping videos completed.')
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print(f'Getting the labels.')
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labels = {}
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for z in tqdm(video_ids):
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metadata = data[z]
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for k, clip in enumerate(metadata):
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labk = clip['label']
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fi = os.path.join('videos', vid_p.split('/')[-1][:-4], f'{str(k).zfill(5)}.mp4')
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labels[fi] = labk
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label_file = f'{args.save_path}/labels.json'
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with open(label_file, 'w', encoding='utf-8') as f:
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json.dump(labels, f)
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(description='Vhisper crop videos')
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parser.add_argument('--save_path', type=str, default='', help='Path for saving.')
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parser.add_argument('--json', type=str, default='', help='Json path')
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parser.add_argument('--video_dir', type=str, default='', help='Path to directory where original videos are stored.')
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parser.add_argument('--save_audio', type=bool, default=False, help='Whether to save audio info.')
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parser.add_argument('--merge_audio', type=bool, default=False, help='Whether to merge audio with the video when saving.')
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parser.add_argument('--use_ffmpeg', type=bool, default=False, help='Whether to use ffmpeg instead of cv2 for saving the video.')
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args = parser.parse_args()
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tic = time.time()
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main(args)
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print(f'Elpased total time for processing: {time.time()-tic} seconds')
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