Indeks: ffprobe-strømme og bitrate pr. video, ryd .playlists med tomme kanaler

Claude-Session: https://claude.ai/code/session_012LCTmU2ewo8tnM1dByYAoG

ytdl.py

@@ -16,6 +16,7 @@ import json
 import os
 import re
 import shutil
+import subprocess
 import time
 import uuid
 import xml.etree.ElementTree as ET
@@ -375,6 +376,8 @@ def _ryd_tomme_mapper(saeson_dir: str) -> None:
         for f in KANAL_FILER:
             if os.path.exists(os.path.join(kanal, f)):
                 os.remove(os.path.join(kanal, f))
+        # Playlisternes miniaturer (skrevet af opdater_playlister) hører også til kanalen.
+        shutil.rmtree(os.path.join(kanal, ".playlists"), ignore_errors=True)
         for d in os.listdir(kanal):
             dd = os.path.join(kanal, d)
             if d.startswith("Season ") and os.path.isdir(dd) and not os.listdir(dd):
@@ -440,6 +443,62 @@ def _varighed_mp4(sti: str, mtime: float):
         return None
 
 
+FFPROBE_PATH = config.DATA / "yt_ffprobe.json"
+_ffprobe = {"data": None, "aendret": False}
+
+
+def _brok(v):
+    try:
+        t, n = str(v).split("/")
+        return round(float(t) / float(n), 3) if float(n) else None
+    except (ValueError, ZeroDivisionError):
+        return None
+
+
+def _heltal(v):
+    try:
+        return int(v)
+    except (TypeError, ValueError):
+        return None
+
+
+def _stroemme(sti: str, st_) -> dict:
+    """Video-/lydspor (codec, opløsning, bitrate) via ffprobe, så Emby-plugin'et kan
+    sige til apps at filen kan afspilles direkte. Caches pr. sti+mtime+størrelse."""
+    if _ffprobe["data"] is None:
+        _ffprobe["data"] = _load(FFPROBE_PATH, {}) or {}
+    noegle = f"{sti}|{int(st_.st_mtime)}|{st_.st_size}"
+    if noegle in _ffprobe["data"]:
+        return _ffprobe["data"][noegle]
+    ud = {"bitrate": None, "streams": []}
+    try:
+        r = subprocess.run(
+            [shutil.which("ffprobe") or "ffprobe", "-v", "error", "-of", "json", "-show_entries",
+             "stream=codec_type,codec_name,profile,width,height,pix_fmt,avg_frame_rate,bit_rate,"
+             "channels,sample_rate:stream_disposition=attached_pic:stream_tags=language:format=bit_rate", sti],
+            capture_output=True, text=True, timeout=60)
+        d = json.loads(r.stdout or "{}")
+        ud["bitrate"] = _heltal((d.get("format") or {}).get("bit_rate"))
+        for s_ in d.get("streams", []):
+            if (s_.get("disposition") or {}).get("attached_pic"):
+                continue                      # det indlejrede coverbillede er ikke et videospor
+            if s_.get("codec_type") == "video":
+                ud["streams"].append({"type": "video", "codec": s_.get("codec_name"), "profile": s_.get("profile"),
+                                      "width": s_.get("width"), "height": s_.get("height"),
+                                      "fps": _brok(s_.get("avg_frame_rate")), "bitrate": _heltal(s_.get("bit_rate")),
+                                      "pix_fmt": s_.get("pix_fmt")})
+            elif s_.get("codec_type") == "audio":
+                ud["streams"].append({"type": "audio", "codec": s_.get("codec_name"), "profile": s_.get("profile"),
+                                      "channels": s_.get("channels"), "sample_rate": _heltal(s_.get("sample_rate")),
+                                      "bitrate": _heltal(s_.get("bit_rate")),
+                                      "language": (s_.get("tags") or {}).get("language")})
+    except Exception:                                             # noqa: BLE001
+        return ud                             # prøv igen næste gang
+    _ffprobe["data"][noegle] = ud
+    _ffprobe["aendret"] = True
+    return ud
+
+
 def _laes_playlister() -> dict:
     return _load(PLAYLISTER_PATH, {}) or {}
 
@@ -486,7 +545,7 @@ def skriv_indeks() -> dict:
                     "description": nfo.get("plot") or "",
                     "upload_date": nfo.get("aired") or nfo.get("premiered") or "",
                     "duration": _varighed_mp4(sti, st_.st_mtime), "added": int(st_.st_mtime),
-                    "subtitles": subs}
+                    "subtitles": subs, **_stroemme(sti, st_)}
                 mine.append(vid)
         if not mine:
             continue
@@ -517,6 +576,11 @@ def skriv_indeks() -> dict:
         json.dump(data, f, ensure_ascii=False, indent=1)
     os.chmod(tmp, 0o644)
     os.replace(tmp, sti)
+    if _ffprobe["aendret"] and _ffprobe["data"] is not None:
+        stier = {v["path"] for v in videoer.values()}
+        _ffprobe["data"] = {k: v for k, v in _ffprobe["data"].items() if k.split("|", 1)[0] in stier}
+        _save(FFPROBE_PATH, _ffprobe["data"])
+        _ffprobe["aendret"] = False
     return {"channels": len(kanaler), "videos": len(videoer),
             "playlists": sum(len(k["playlists"]) for k in kanaler)}
 
@@ -1092,8 +1156,9 @@ def _marked_played(ud: dict) -> bool:
 async def _kanal_brugerdata(c, users: list, merged: dict) -> None:
     """Læg set/favorit fra Emby-kanalen "YouTube" (kanal-plugin'et) oven i
     biblioteket for samme fil, så slettereglen og fredningen virker uanset hvor
-    videoen blev set. Kanalens elementer bærer video-id'et i ProviderIds["YouTube"];
-    stien findes via indekset. Mangler kanalen eller indekset, sker der intet."""
+    videoen blev set. Kanalens elementer bærer video-id'et i ProviderIds["youtube"];
+    stien findes via indekset. Mangler kanalen eller indekset, sker der intet.
+    (Plugin'et synkroniserer selv kanal og bibliotek; det her er et sikkerhedsnet.)"""
     try:
         with open(indeks_sti(), encoding="utf-8") as f:
             stier = {vid: os.path.realpath(v["path"]) for vid, v in json.load(f)["videos"].items()}