Reworked some of the scripts

video-audio

@@ -0,0 +1,130 @@
+#!/usr/bin/env python3
+
+import json
+import subprocess
+import sys
+from pathlib import Path
+import shutil
+
+def run(cmd):
+    print(f"[*] Running: {' '.join(map(str, cmd))}")
+    subprocess.run(cmd, check=True)
+
+def get_tracks(video):
+    result = subprocess.run(
+        ["mkvmerge", "-J", str(video)],
+        capture_output=True,
+        text=True,
+        check=True,
+    )
+    data = json.loads(result.stdout)
+    return [t for t in data["tracks"] if t["type"] == "audio"]
+
+def codec_to_ext(codec):
+    codec = codec.lower()
+    if "aac" in codec: return "aac"
+    if "ac-3" in codec or "ac3" in codec: return "ac3"
+    if "dts" in codec: return "dts"
+    if "flac" in codec: return "flac"
+    if "opus" in codec: return "opus"
+    return "mka"
+
+def clean(text):
+    return "".join(c if c.isalnum() or c in "-_." else "_" for c in text)
+
+def extract(vdir, outdir):
+    outdir.mkdir(parents=True, exist_ok=True)
+
+    for video in vdir.iterdir():
+        if not video.is_file():
+            continue
+
+        name = video.stem
+        print(f"\n=== Scanning {video.name} ===")
+
+        for track in get_tracks(video):
+            tid = track["id"]
+            props = track.get("properties", {})
+            lang = props.get("language", "und")
+            tname = props.get("track_name", "")
+            codec = track.get("codec", "")
+
+            ext = codec_to_ext(codec)
+
+            suffix = lang
+            if tname:
+                suffix += "-" + clean(tname)
+
+            outfile = outdir / f"{name}-{suffix}.{ext}"
+
+            print(f"Extracting track {tid}: lang={lang}, name={tname}, codec={codec}")
+            run(["mkvextract", "tracks", str(video), f"{tid}:{outfile}"])
+
+def include(vdir, adir):
+    for video in vdir.iterdir():
+        if not video.is_file():
+            continue
+
+        name = video.stem
+        tmp = video.with_name(name + "-tmp.mkv")
+
+        print(f"\n=== Processing {video.name} ===")
+
+        audios = list(adir.glob(f"{name}-*"))
+        if not audios:
+            print("No matching audio found.")
+            continue
+
+        unknown = []
+        known = []
+
+        for a in audios:
+            meta = a.stem[len(name)+1:]  # remove "name-"
+            parts = meta.split("-", 1)
+            lang = parts[0]
+            tname = parts[1] if len(parts) > 1 else ""
+
+            entry = (a, lang, tname)
+            if lang in ("und", "unknown", ""):
+                unknown.append(entry)
+            else:
+                known.append(entry)
+
+        cmd = ["mkvmerge", "-o", str(tmp), str(video)]
+
+        for file, lang, tname in unknown + known:
+            print(f"Adding {file.name} lang={lang} name={tname}")
+            cmd += ["--language", f"0:{lang}"]
+            if tname:
+                cmd += ["--track-name", f"0:{tname}"]
+            cmd.append(str(file))
+
+        run(cmd)
+        shutil.move(tmp, video)
+        print(f"Finished {video.name}")
+
+def main():
+    if len(sys.argv) < 3:
+        print("Usage:")
+        print("  script extract <video_dir> [audio_out_dir]")
+        print("  script include <video_dir> [audio_dir]")
+        sys.exit(1)
+
+    action = sys.argv[1]
+    vdir = Path(sys.argv[2]).resolve()
+    adir = Path(sys.argv[3]).resolve() if len(sys.argv) > 3 else vdir
+
+    if not vdir.is_dir():
+        print("Video directory not found.")
+        sys.exit(1)
+
+    if action == "extract":
+        extract(vdir, adir)
+    elif action == "include":
+        include(vdir, adir)
+    else:
+        print("Unknown action.")
+        sys.exit(1)
+
+if __name__ == "__main__":
+    main()