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youtube_samples/cut_clips/K87g4RvO-9k_254.0_259.0.mp4

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+size 250016

youtube_samples/cut_clips/ayNzH0uygFw_9.0_21.0.mp4

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+oid sha256:7fac12cbdb413e7402af7b809317b30cc0da71ce6e1495e308bef605c10777b7
+size 636872

youtube_samples/cut_clips/biDn0Gi6V8U_7.0_15.0.mp4

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+version https://git-lfs.github.com/spec/v1
+oid sha256:50b050a0f4f2322d2afc38d3ebb870956ce4c0fc9ef53866fb139caed27b3357
+size 431493

youtube_samples/cut_clips/goWgiQQMugA_2.5_9.0.mp4

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+version https://git-lfs.github.com/spec/v1
+oid sha256:82a9330eec584036a8bcda09510adb4276cec08716e5c5eff0bd76e0b383d4e6
+size 423949

youtube_samples/metadata/annotations-v1.csv

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+video_id,start_time,end_time
+K87g4RvO-9k,254.0,259.0
+ayNzH0uygFw,9.0,21.0
+biDn0Gi6V8U,7.0,15.0
+goWgiQQMugA,2.5,9.0

youtube_samples/scripts/cut_clips.py

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+"""Cut video clips from downloaded videos."""
+import os
+from os.path import join, exists
+from subprocess import call
+import time
+
+import numpy as np
+import pandas as pd
+from tqdm import tqdm
+
+# import shared.utils.io as io
+# import shared.utils.log as log
+
+
+def time_float_to_str(time_in_seconds):
+    import datetime
+
+    # Calculate hours, minutes, seconds, and milliseconds
+    hours, remainder = divmod(time_in_seconds, 3600)
+    minutes, seconds_with_ms = divmod(remainder, 60)
+    seconds, milliseconds = divmod(int(seconds_with_ms * 1000), 1000)
+
+    # Create a timedelta object
+    time_delta = datetime.timedelta(hours=hours, minutes=minutes, seconds=seconds, milliseconds=milliseconds)
+
+    # Format the time as HH:MM:SS.mmm
+    formatted_time = str(time_delta)
+    
+    return formatted_time
+
+
+if __name__ == "__main__":
+
+    import argparse
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        "--csv", type=str, required=True,
+        help="Path to CSV file containing video IDs and timestamps",
+    )
+    parser.add_argument(
+        "--video_id_key", type=str, default="video_id",
+    )
+    parser.add_argument(
+        "--start_time_key", type=str, default="start_time",
+    )
+    parser.add_argument(
+        "--end_time_key", type=str, default="end_time",
+    )
+    parser.add_argument(
+        "--video_dir", type=str, required=True,
+        help="Path to directory containing downloaded videos",
+    )
+    parser.add_argument(
+        "--cut_dir", type=str, required=True,
+        help="Path to directory where cut videos will be saved",
+    )
+    parser.add_argument(
+        "--overwrite", action="store_true",
+        help="Whether to overwrite existing cut videos",
+    )
+    parser.add_argument(
+        "--verbose", action="store_true",
+    )
+    parser.add_argument(
+        "--no_round_times", action="store_true",
+        help="Whether to round start and end times to nearest second in filenames",
+    )
+    args = parser.parse_args()
+    
+    # Make cut_dir
+    os.makedirs(args.cut_dir, exist_ok=True)
+    
+    # Load csv
+    assert os.path.exists(args.csv), f"CSV file {args.csv} does not exist."
+    df = pd.read_csv(args.csv)
+    print(">>> Loaded CSV file with shape", df.shape)
+    assert {args.video_id_key, args.start_time_key, args.end_time_key}.issubset(df.columns), \
+        f"CSV file must contain columns {args.video_id_key}, {args.start_time_key}, and {args.end_time_key}."
+    
+    # Filter out videos that don't exist
+    df["video_path"] = df[args.video_id_key].apply(
+        lambda video_id: join(args.video_dir, f"{video_id}.mp4"),
+    )
+    df["check_video"] = df["video_path"].apply(exists)
+    df = df[df["check_video"]]
+    del df["check_video"]
+    print(">>> Found videos for", df.shape[0], "rows.")
+
+
+    # Cut videos
+    ext = "mp4"
+    iterator = tqdm(range(len(df)), desc="Cutting clips")
+    for i in iterator:
+
+        row = df.iloc[i].to_dict()
+        f = row["video_path"]
+        v, s, e = row[args.video_id_key], row[args.start_time_key], row[args.end_time_key]
+        s = float(s)
+        e = float(e)
+
+        if args.no_round_times:
+            clip_filename = f"{v}_{s}_{e}.{ext}"
+        else:
+            clip_filename = f"{v}_{np.round(s, 1)}_{np.round(e, 1)}.{ext}"
+        clip_filepath = join(args.cut_dir, clip_filename)
+        os.makedirs(os.path.dirname(clip_filepath), exist_ok=True)
+
+        if os.path.exists(clip_filepath) and not args.overwrite:
+            continue
+        
+        # bring s in HH:MM:SS.mmm format with milliseconds
+        s = time_float_to_str(s)
+        e = time_float_to_str(e)
+        # # bring s in HH:MM:SS. format
+        # s = time.strftime("%H:%M:%S", time.gmtime(s))
+        # e = time.strftime("%H:%M:%S", time.gmtime(e))
+
+        # ffmpeg code
+        # use ffmpeg to cut the clip + change spatial resolution to have max height
+        command = f"ffmpeg -i {f} -ss {s} -to {e} -strict -2 -c:v libx264 "\
+            f"-pix_fmt yuv420p -c:a copy {clip_filepath} "\
+            f"-y -format {ext}"
+        if not args.verbose:
+            command += " -loglevel quiet"
+        else:
+            print(">>> Cutting clip", clip_filepath)
+        call(command, shell=True)
+    
+    print(">>> Number of cut files:", len(os.listdir(args.cut_dir)))

youtube_samples/scripts/download_sample.py

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+"""Downloads single YouTube video."""
+import pytube
+import os
+
+
+def download_video_ytdlp(video_id, save_dir, conf_file, log_dir):
+    video_url = f"https://www.youtube.com/watch?v={video_id}"
+    log_file = f"{log_dir}/{video_id}.log"
+
+    save_path = f"{save_dir}/{video_id}.mkv"
+    if os.path.exists(save_path):
+        return {"video_id": video_id, "status": "ALREADY_DOWNLOADED", "download_time": 0}
+
+    # Also check mp4
+    mp4_path = f"{save_dir}/{video_id}.mp4"
+    if os.path.exists(mp4_path):
+        return {"video_id": video_id, "status": "ALREADY_DOWNLOADED", "download_time": 0}
+
+    start = time.time()
+    try:
+        # command = f"youtube-dl -f bestvideo+bestaudio --merge-output-format mp4 -o {save_dir}/%(id)s.%(ext)s {video_url}"
+        command = f"yt-dlp --config-location {conf_file} -o {save_dir}/{video_id} {video_url} > {log_file} 2>&1"
+        # command = f"yt-dlp --config-location {conf_file} -o {save_dir}/{video_id} {video_url}"
+        call(command, shell=True)
+        status = "SUCCESS"
+    except:
+        status = "FAIL"
+        return {"video_id": video_id, "status": status, "download_time": 0}
+    end = time.time()
+    download_time = end - start
+
+    return {"video_id": video_id, "status": status, "download_time": download_time}
+
+
+if __name__ == "__main__":
+    import os
+    import time
+    conf_file = "./youtube-dlp.conf"
+    log_dir = "../download_metadata/"
+    os.makedirs(log_dir, exist_ok=True)
+    save_dir = "../videos/"
+    os.makedirs(save_dir, exist_ok=True)
+    video_id = "K87g4RvO-9k"
+    download_video_ytdlp(video_id, save_dir, conf_file, log_dir)

youtube_samples/scripts/youtube-dlp.conf

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+# RESOLUTION
+-f 'bestvideo[height<=360][ext=mp4]+bestaudio/best[height<=360][ext=m4a]/mp4'
+
+--flat-playlist
+
+# FORMAT
+--prefer-ffmpeg
+--merge-output-format mkv
+--video-multistreams
+--audio-multistreams
+
+# SUBTITLES
+# --write-auto-sub
+# --convert-subs srt
+
+# METADATA
+#--add-metadata
+#--write-description
+
+# COOKIES
+--cookies ./cookies/cookies-youtube-personal.txt
+--referer "URL"
+
+# Ignore missing videos
+--ignore-errors

youtube_samples/videos/K87g4RvO-9k.mp4

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youtube_samples/videos/ayNzH0uygFw.mp4

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+size 1807861

youtube_samples/videos/biDn0Gi6V8U.mp4

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+size 879547

youtube_samples/videos/goWgiQQMugA.mp4

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