80 lines
2.5 KiB
Python
80 lines
2.5 KiB
Python
#!/usr/bin/env python3
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"""
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Extracts the first 1.5 minutes of a video into:
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- a video-only file (no audio)
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- an audio-only file (no video)
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Output goes into an 'extracted' folder next to this script.
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Requires: ffmpeg installed and on PATH.
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"""
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import subprocess
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import os
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import sys
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import shutil
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# ─── Hardcoded input (relative to this script's directory) ───
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inputs = [
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"/path/to/movie_b.mp4",
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"/path/to/movie_a.mkv"
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]
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INPUT_FILES = []
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for input_file in inputs:
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INPUT_FILES.append(os.path.join(os.path.dirname(os.path.abspath(__file__)), input_file))
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DURATION = 90 # 1.5 minutes in seconds
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OUT_DIR = os.path.join(os.path.dirname(os.path.abspath(__file__)), "extracted")
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# ─── Check ffmpeg ───
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if shutil.which(f"ffmpeg") is None:
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sys.exit(f"ERROR: 'ffmpeg' not found on PATH. Install it and try again.")
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# ─── Prepare output folder ───
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os.makedirs(OUT_DIR, exist_ok=True)
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for INPUT_FILE in INPUT_FILES:
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# ─── Derive output filenames ───
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stem = os.path.splitext(os.path.basename(INPUT_FILE))[0]
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video_out = os.path.join(OUT_DIR, f"{stem}_video.mkv")
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audio_out = os.path.join(OUT_DIR, f"{stem}_audio.mp3")
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print(f"Input : {INPUT_FILE}")
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print(f"Video → {video_out}")
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print(f"Audio → {audio_out}")
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print(f"-" * 50)
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# ─── Extract video-only (first 90s, no audio) ───
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cmd_video = [
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"ffmpeg",
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"-y", # overwrite output
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"-i", INPUT_FILE,
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"-t", str(DURATION),
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"-an", # no audio
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"-c:v", "copy", # copy video stream (no re-encode = fast + lossless)
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video_out
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]
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print(f"[video: {stem}] running ffmpeg…")
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r = subprocess.run(cmd_video, capture_output=True, text=True)
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if r.returncode != 0:
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sys.exit(f"ffmpeg (video) failed:\n{r.stderr}")
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print(f"[video: {stem}] done ✔")
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# ─── Extract audio-only (first 90s, no video) ───
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cmd_audio = [
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"ffmpeg",
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"-y",
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"-i", INPUT_FILE,
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"-t", str(DURATION),
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"-vn", # no video
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"-c:a", "libmp3lame",
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"-b:a", "192k", # 192 kbps
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audio_out
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]
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print(f"[audio: {stem}] running ffmpeg…")
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r = subprocess.run(cmd_audio, capture_output=True, text=True)
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if r.returncode != 0:
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sys.exit(f"ffmpeg (audio) failed:\n{r.stderr}")
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print(f"[audio: {stem}] done ✔")
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print(f"-" * 50)
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print(f"All done. Files are in:", OUT_DIR)
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