upgrade yt-dlp from 2026.3.13 to 2026.3.17

Allow users to prefer a specific video codec (H.264, H.265, AV1, VP9)
when adding downloads. The selector filters available formats via
yt-dlp format strings, falling back to best available if the preferred
codec is not found. The completed downloads table now shows Quality
and Codec columns.

.github/workflows/main.yml

@@ -6,38 +6,75 @@ on:
       - 'master'
 
 jobs:
+  quality-checks:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6
+      - name: Set up Node.js
+        uses: actions/setup-node@v6
+        with:
+          node-version: lts/*
+      - name: Enable pnpm
+        run: corepack enable
+      - name: Install frontend dependencies
+        working-directory: ui
+        run: pnpm install --frozen-lockfile
+      - name: Run frontend lint
+        working-directory: ui
+        run: pnpm run lint
+      - name: Build frontend
+        working-directory: ui
+        run: pnpm run build
+      - name: Set up Python
+        uses: actions/setup-python@v6
+        with:
+          python-version: '3.13'
+      - name: Run backend smoke checks
+        run: python -m compileall app
+      - name: Run backend tests
+        run: python -m unittest discover -s app/tests -p "test_*.py"
+      - name: Run Trivy filesystem scan
+        uses: aquasecurity/trivy-action@0.35.0
+        with:
+          scan-type: fs
+          scan-ref: .
+          format: table
+          severity: CRITICAL,HIGH
+
   dockerhub-build-push:
+    needs: quality-checks
     runs-on: ubuntu-latest
     steps:
       -
         name: Get current date
         id: date
-        run: echo "::set-output name=date::$(date +'%Y.%m.%d')"
+        run: echo "date=$(date +'%Y.%m.%d')" >> "$GITHUB_OUTPUT"
       -
         name: Checkout
         uses: actions/checkout@v6
       -
         name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
+        uses: docker/setup-qemu-action@v4
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v4
       -
         name: Login to DockerHub
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
       -
         name: Login to GitHub Container Registry
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
       -
         name: Build and push
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: .
           platforms: linux/amd64,linux/arm64

Dockerfile

@@ -34,7 +34,7 @@ RUN sed -i 's/\r$//g' docker-entrypoint.sh && \
     UV_PROJECT_ENVIRONMENT=/usr/local uv sync --frozen --no-dev --compile-bytecode && \
     uv cache clean && \
     rm -f /usr/local/bin/uv /usr/local/bin/uvx /usr/local/bin/uvw && \
-    curl -fsSL https://deno.land/install.sh | DENO_INSTALL=/usr/local sh -s -- -y v2.7.2 && \
+    curl -fsSL https://deno.land/install.sh | DENO_INSTALL=/usr/local sh -s -- -y && \
     apt-get purge -y --auto-remove build-essential && \
     rm -rf /var/lib/apt/lists/* && \
     mkdir /.cache && chmod 777 /.cache
@@ -63,11 +63,12 @@ ENV PUID=1000
 ENV PGID=1000
 ENV UMASK=022
 
-ENV DOWNLOAD_DIR /downloads
+ENV DOWNLOAD_DIR=/downloads
-ENV STATE_DIR /downloads/.metube
+ENV STATE_DIR=/downloads/.metube
-ENV TEMP_DIR /downloads
+ENV TEMP_DIR=/downloads
 VOLUME /downloads
 EXPOSE 8081
+HEALTHCHECK --interval=30s --timeout=5s --start-period=20s --retries=3 CMD curl -fsS "http://localhost:8081/" || exit 1
 
 # Add build-time argument for version
 ARG VERSION=dev

app/dl_formats.py

@@ -3,6 +3,13 @@ import copy
 AUDIO_FORMATS = ("m4a", "mp3", "opus", "wav", "flac")
 CAPTION_MODES = ("auto_only", "manual_only", "prefer_manual", "prefer_auto")
 
+CODEC_FILTER_MAP = {
+    'h264': "[vcodec~='^(h264|avc)']",
+    'h265': "[vcodec~='^(h265|hevc)']",
+    'av1':  "[vcodec~='^av0?1']",
+    'vp9':  "[vcodec~='^vp0?9']",
+}
+
 
 def _normalize_caption_mode(mode: str) -> str:
     mode = (mode or "").strip()
@@ -14,84 +21,88 @@ def _normalize_subtitle_language(language: str) -> str:
     return language or "en"
 
 
-def get_format(format: str, quality: str) -> str:
+def get_format(download_type: str, codec: str, format: str, quality: str) -> str:
     """
-    Returns format for download
+    Returns yt-dlp format selector.
 
     Args:
-      format (str): format selected
+      download_type (str): selected content type (video, audio, captions, thumbnail)
-      quality (str): quality selected
+      codec (str): selected video codec (auto, h264, h265, av1, vp9)
+      format (str): selected output format/profile for type
+      quality (str): selected quality
 
     Raises:
-      Exception: unknown quality, unknown format
+      Exception: unknown type/format
 
     Returns:
-      dl_format: Formatted download string
+      str: yt-dlp format selector
     """
-    format = format or "any"
+    download_type = (download_type or "video").strip().lower()
+    format = (format or "any").strip().lower()
+    codec = (codec or "auto").strip().lower()
+    quality = (quality or "best").strip().lower()
 
     if format.startswith("custom:"):
         return format[7:]
 
-    if format == "thumbnail":
+    if download_type == "thumbnail":
-        # Quality is irrelevant in this case since we skip the download
         return "bestaudio/best"
 
-    if format == "captions":
+    if download_type == "captions":
-        # Quality is irrelevant in this case since we skip the download
         return "bestaudio/best"
 
-    if format in AUDIO_FORMATS:
+    if download_type == "audio":
-        # Audio quality needs to be set post-download, set in opts
+        if format not in AUDIO_FORMATS:
+            raise ValueError(f"Unknown audio format {format}")
         return f"bestaudio[ext={format}]/bestaudio/best"
 
-    if format in ("mp4", "any"):
+    if download_type == "video":
-        if quality == "audio":
+        if format not in ("any", "mp4", "ios"):
-            return "bestaudio/best"
+            raise ValueError(f"Unknown video format {format}")
-        # video {res} {vfmt} + audio {afmt} {res} {vfmt}
+        vfmt, afmt = ("[ext=mp4]", "[ext=m4a]") if format in ("mp4", "ios") else ("", "")
-        vfmt, afmt = ("[ext=mp4]", "[ext=m4a]") if format == "mp4" else ("", "")
+        vres = f"[height<={quality}]" if quality not in ("best", "worst") else ""
-        vres = f"[height<={quality}]" if quality not in ("best", "best_ios", "worst") else ""
         vcombo = vres + vfmt
+        codec_filter = CODEC_FILTER_MAP.get(codec, "")
 
-        if quality == "best_ios":
+        if format == "ios":
-            # iOS has strict requirements for video files, requiring h264 or h265
-            # video codec and aac audio codec in MP4 container. This format string
-            # attempts to get the fully compatible formats first, then the h264/h265
-            # video codec with any M4A audio codec (because audio is faster to
-            # convert if needed), and falls back to getting the best available MP4
-            # file.
             return f"bestvideo[vcodec~='^((he|a)vc|h26[45])']{vres}+bestaudio[acodec=aac]/bestvideo[vcodec~='^((he|a)vc|h26[45])']{vres}+bestaudio{afmt}/bestvideo{vcombo}+bestaudio{afmt}/best{vcombo}"
+
+        if codec_filter:
+            return f"bestvideo{codec_filter}{vcombo}+bestaudio{afmt}/bestvideo{vcombo}+bestaudio{afmt}/best{vcombo}"
         return f"bestvideo{vcombo}+bestaudio{afmt}/best{vcombo}"
 
-    raise Exception(f"Unkown format {format}")
+    raise ValueError(f"Unknown download_type {download_type}")
 
 
 def get_opts(
+    download_type: str,
+    _codec: str,
     format: str,
     quality: str,
     ytdl_opts: dict,
-    subtitle_format: str = "srt",
     subtitle_language: str = "en",
     subtitle_mode: str = "prefer_manual",
 ) -> dict:
     """
-    Returns extra download options
+    Returns extra yt-dlp options/postprocessors.
-    Mostly postprocessing options
 
     Args:
-      format (str): format selected
+      download_type (str): selected content type
-      quality (str): quality of format selected (needed for some formats)
+      codec (str): selected codec (unused currently, kept for API consistency)
+      format (str): selected format/profile
+      quality (str): selected quality
       ytdl_opts (dict): current options selected
 
     Returns:
-      ytdl_opts: Extra options
+      dict: extended options
     """
-
+    download_type = (download_type or "video").strip().lower()
+    format = (format or "any").strip().lower()
     opts = copy.deepcopy(ytdl_opts)
 
     postprocessors = []
 
-    if format in AUDIO_FORMATS:
+    if download_type == "audio":
         postprocessors.append(
             {
                 "key": "FFmpegExtractAudio",
@@ -100,8 +111,7 @@ def get_opts(
             }
         )
 
-        # Audio formats without thumbnail
+        if format != "wav" and "writethumbnail" not in opts:
-        if format not in ("wav") and "writethumbnail" not in opts:
             opts["writethumbnail"] = True
             postprocessors.append(
                 {
@@ -113,19 +123,18 @@ def get_opts(
             postprocessors.append({"key": "FFmpegMetadata"})
             postprocessors.append({"key": "EmbedThumbnail"})
 
-    if format == "thumbnail":
+    if download_type == "thumbnail":
         opts["skip_download"] = True
         opts["writethumbnail"] = True
         postprocessors.append(
             {"key": "FFmpegThumbnailsConvertor", "format": "jpg", "when": "before_dl"}
         )
 
-    if format == "captions":
+    if download_type == "captions":
         mode = _normalize_caption_mode(subtitle_mode)
         language = _normalize_subtitle_language(subtitle_language)
         opts["skip_download"] = True
-        requested_subtitle_format = (subtitle_format or "srt").lower()
+        requested_subtitle_format = (format or "srt").lower()
-        # txt is a derived, non-timed format produced from SRT after download.
         if requested_subtitle_format == "txt":
             requested_subtitle_format = "srt"
         opts["subtitlesformat"] = requested_subtitle_format

app/main.py

@@ -16,25 +16,15 @@ import pathlib
 import re
 from watchfiles import DefaultFilter, Change, awatch
 
-from ytdl import DownloadQueueNotifier, DownloadQueue
+from ytdl import DownloadQueueNotifier, DownloadQueue, Download
 from yt_dlp.version import __version__ as yt_dlp_version
 
 log = logging.getLogger('main')
 
 def parseLogLevel(logLevel):
-    match logLevel:
+    if not isinstance(logLevel, str):
-        case 'DEBUG':
+        return None
-            return logging.DEBUG
+    return getattr(logging, logLevel.upper(), None)
-        case 'INFO':
-            return logging.INFO
-        case 'WARNING':
-            return logging.WARNING
-        case 'ERROR':
-            return logging.ERROR
-        case 'CRITICAL':
-            return logging.CRITICAL
-        case _:
-            return None
 
 # Configure logging before Config() uses it so early messages are not dropped.
 # Only configure if no handlers are set (avoid clobbering hosting app settings).
@@ -71,7 +61,7 @@ class Config:
         'KEYFILE': '',
         'BASE_DIR': '',
         'DEFAULT_THEME': 'auto',
-        'MAX_CONCURRENT_DOWNLOADS': 3,
+        'MAX_CONCURRENT_DOWNLOADS': '3',
         'LOGLEVEL': 'INFO',
         'ENABLE_ACCESSLOG': 'false',
     }
@@ -181,7 +171,7 @@ class ObjectSerializer(json.JSONEncoder):
         elif hasattr(obj, '__iter__') and not isinstance(obj, (str, bytes)):
             try:
                 return list(obj)
-            except:
+            except Exception:
                 pass
         # Fall back to default behavior
         return json.JSONEncoder.default(self, obj)
@@ -194,6 +184,68 @@ routes = web.RouteTableDef()
 VALID_SUBTITLE_FORMATS = {'srt', 'txt', 'vtt', 'ttml', 'sbv', 'scc', 'dfxp'}
 VALID_SUBTITLE_MODES = {'auto_only', 'manual_only', 'prefer_manual', 'prefer_auto'}
 SUBTITLE_LANGUAGE_RE = re.compile(r'^[A-Za-z0-9][A-Za-z0-9-]{0,34}$')
+VALID_DOWNLOAD_TYPES = {'video', 'audio', 'captions', 'thumbnail'}
+VALID_VIDEO_CODECS = {'auto', 'h264', 'h265', 'av1', 'vp9'}
+VALID_VIDEO_FORMATS = {'any', 'mp4', 'ios'}
+VALID_AUDIO_FORMATS = {'m4a', 'mp3', 'opus', 'wav', 'flac'}
+VALID_THUMBNAIL_FORMATS = {'jpg'}
+
+
+def _migrate_legacy_request(post: dict) -> dict:
+    """
+    BACKWARD COMPATIBILITY: Translate old API request schema into the new one.
+
+    Old API:
+      format (any/mp4/m4a/mp3/opus/wav/flac/thumbnail/captions)
+      quality
+      video_codec
+      subtitle_format (only when format=captions)
+
+    New API:
+      download_type (video/audio/captions/thumbnail)
+      codec
+      format
+      quality
+    """
+    if "download_type" in post:
+        return post
+
+    old_format = str(post.get("format") or "any").strip().lower()
+    old_quality = str(post.get("quality") or "best").strip().lower()
+    old_video_codec = str(post.get("video_codec") or "auto").strip().lower()
+
+    if old_format in VALID_AUDIO_FORMATS:
+        post["download_type"] = "audio"
+        post["codec"] = "auto"
+        post["format"] = old_format
+    elif old_format == "thumbnail":
+        post["download_type"] = "thumbnail"
+        post["codec"] = "auto"
+        post["format"] = "jpg"
+        post["quality"] = "best"
+    elif old_format == "captions":
+        post["download_type"] = "captions"
+        post["codec"] = "auto"
+        post["format"] = str(post.get("subtitle_format") or "srt").strip().lower()
+        post["quality"] = "best"
+    else:
+        # old_format is usually any/mp4 (legacy video path)
+        post["download_type"] = "video"
+        post["codec"] = old_video_codec
+        if old_quality == "best_ios":
+            post["format"] = "ios"
+            post["quality"] = "best"
+        elif old_quality == "audio":
+            # Legacy "audio only" under video format maps to m4a audio.
+            post["download_type"] = "audio"
+            post["codec"] = "auto"
+            post["format"] = "m4a"
+            post["quality"] = "best"
+        else:
+            post["format"] = old_format
+            post["quality"] = old_quality
+
+    return post
 
 class Notifier(DownloadQueueNotifier):
     async def added(self, dl):
@@ -218,6 +270,7 @@ class Notifier(DownloadQueueNotifier):
 
 dqueue = DownloadQueue(config, Notifier())
 app.on_startup.append(lambda app: dqueue.initialize())
+app.on_cleanup.append(lambda app: Download.shutdown_manager())
 
 class FileOpsFilter(DefaultFilter):
     def __call__(self, change_type: int, path: str) -> bool:
@@ -268,24 +321,44 @@ async def watch_files():
 if config.YTDL_OPTIONS_FILE:
     app.on_startup.append(lambda app: watch_files())
 
+
+async def _read_json_request(request: web.Request) -> dict:
+    try:
+        post = await request.json()
+    except json.JSONDecodeError as exc:
+        raise web.HTTPBadRequest(reason='Invalid JSON request body') from exc
+    if not isinstance(post, dict):
+        raise web.HTTPBadRequest(reason='JSON request body must be an object')
+    return post
+
+
 @routes.post(config.URL_PREFIX + 'add')
 async def add(request):
     log.info("Received request to add download")
-    post = await request.json()
+    post = await _read_json_request(request)
-    log.info(f"Request data: {post}")
+    post = _migrate_legacy_request(post)
+    log.info(
+        "Add download request: type=%s quality=%s format=%s has_folder=%s auto_start=%s",
+        post.get('download_type'),
+        post.get('quality'),
+        post.get('format'),
+        bool(post.get('folder')),
+        post.get('auto_start'),
+    )
     url = post.get('url')
-    quality = post.get('quality')
+    download_type = post.get('download_type')
-    if not url or not quality:
+    codec = post.get('codec')
-        log.error("Bad request: missing 'url' or 'quality'")
-        raise web.HTTPBadRequest()
     format = post.get('format')
+    quality = post.get('quality')
+    if not url or not quality or not download_type:
+        log.error("Bad request: missing 'url', 'download_type', or 'quality'")
+        raise web.HTTPBadRequest()
     folder = post.get('folder')
     custom_name_prefix = post.get('custom_name_prefix')
     playlist_item_limit = post.get('playlist_item_limit')
     auto_start = post.get('auto_start')
     split_by_chapters = post.get('split_by_chapters')
     chapter_template = post.get('chapter_template')
-    subtitle_format = post.get('subtitle_format')
     subtitle_language = post.get('subtitle_language')
     subtitle_mode = post.get('subtitle_mode')
 
@@ -301,37 +374,73 @@ async def add(request):
         split_by_chapters = False
     if chapter_template is None:
         chapter_template = config.OUTPUT_TEMPLATE_CHAPTER
-    if subtitle_format is None:
-        subtitle_format = 'srt'
     if subtitle_language is None:
         subtitle_language = 'en'
     if subtitle_mode is None:
         subtitle_mode = 'prefer_manual'
-    subtitle_format = str(subtitle_format).strip().lower()
+    download_type = str(download_type).strip().lower()
+    codec = str(codec or 'auto').strip().lower()
+    format = str(format or '').strip().lower()
+    quality = str(quality).strip().lower()
     subtitle_language = str(subtitle_language).strip()
     subtitle_mode = str(subtitle_mode).strip()
+
     if chapter_template and ('..' in chapter_template or chapter_template.startswith('/') or chapter_template.startswith('\\')):
         raise web.HTTPBadRequest(reason='chapter_template must not contain ".." or start with a path separator')
-    if subtitle_format not in VALID_SUBTITLE_FORMATS:
-        raise web.HTTPBadRequest(reason=f'subtitle_format must be one of {sorted(VALID_SUBTITLE_FORMATS)}')
     if not SUBTITLE_LANGUAGE_RE.fullmatch(subtitle_language):
         raise web.HTTPBadRequest(reason='subtitle_language must match pattern [A-Za-z0-9-] and be at most 35 characters')
     if subtitle_mode not in VALID_SUBTITLE_MODES:
         raise web.HTTPBadRequest(reason=f'subtitle_mode must be one of {sorted(VALID_SUBTITLE_MODES)}')
 
-    playlist_item_limit = int(playlist_item_limit)
+    if download_type not in VALID_DOWNLOAD_TYPES:
+        raise web.HTTPBadRequest(reason=f'download_type must be one of {sorted(VALID_DOWNLOAD_TYPES)}')
+    if codec not in VALID_VIDEO_CODECS:
+        raise web.HTTPBadRequest(reason=f'codec must be one of {sorted(VALID_VIDEO_CODECS)}')
+
+    if download_type == 'video':
+        if format not in VALID_VIDEO_FORMATS:
+            raise web.HTTPBadRequest(reason=f'format must be one of {sorted(VALID_VIDEO_FORMATS)} for video')
+        if quality not in {'best', 'worst', '2160', '1440', '1080', '720', '480', '360', '240'}:
+            raise web.HTTPBadRequest(reason="quality must be one of ['best', '2160', '1440', '1080', '720', '480', '360', '240', 'worst'] for video")
+    elif download_type == 'audio':
+        if format not in VALID_AUDIO_FORMATS:
+            raise web.HTTPBadRequest(reason=f'format must be one of {sorted(VALID_AUDIO_FORMATS)} for audio')
+        allowed_audio_qualities = {'best'}
+        if format == 'mp3':
+            allowed_audio_qualities |= {'320', '192', '128'}
+        elif format == 'm4a':
+            allowed_audio_qualities |= {'192', '128'}
+        if quality not in allowed_audio_qualities:
+            raise web.HTTPBadRequest(reason=f'quality must be one of {sorted(allowed_audio_qualities)} for format {format}')
+        codec = 'auto'
+    elif download_type == 'captions':
+        if format not in VALID_SUBTITLE_FORMATS:
+            raise web.HTTPBadRequest(reason=f'format must be one of {sorted(VALID_SUBTITLE_FORMATS)} for captions')
+        quality = 'best'
+        codec = 'auto'
+    elif download_type == 'thumbnail':
+        if format not in VALID_THUMBNAIL_FORMATS:
+            raise web.HTTPBadRequest(reason=f'format must be one of {sorted(VALID_THUMBNAIL_FORMATS)} for thumbnail')
+        quality = 'best'
+        codec = 'auto'
+
+    try:
+        playlist_item_limit = int(playlist_item_limit)
+    except (TypeError, ValueError) as exc:
+        raise web.HTTPBadRequest(reason='playlist_item_limit must be an integer') from exc
 
     status = await dqueue.add(
         url,
-        quality,
+        download_type,
+        codec,
         format,
+        quality,
         folder,
         custom_name_prefix,
         playlist_item_limit,
         auto_start,
         split_by_chapters,
         chapter_template,
-        subtitle_format,
         subtitle_language,
         subtitle_mode,
     )
@@ -344,7 +453,7 @@ async def cancel_add(request):
 
 @routes.post(config.URL_PREFIX + 'delete')
 async def delete(request):
-    post = await request.json()
+    post = await _read_json_request(request)
     ids = post.get('ids')
     where = post.get('where')
     if not ids or where not in ['queue', 'done']:
@@ -356,7 +465,7 @@ async def delete(request):
 
 @routes.post(config.URL_PREFIX + 'start')
 async def start(request):
-    post = await request.json()
+    post = await _read_json_request(request)
     ids = post.get('ids')
     log.info(f"Received request to start pending downloads for ids: {ids}")
     status = await dqueue.start_pending(ids)
@@ -371,17 +480,23 @@ async def upload_cookies(request):
     field = await reader.next()
     if field is None or field.name != 'cookies':
         return web.Response(status=400, text=serializer.encode({'status': 'error', 'msg': 'No cookies file provided'}))
+
+    max_size = 1_000_000  # 1MB limit
     size = 0
-    with open(COOKIES_PATH, 'wb') as f:
+    content = bytearray()
-        while True:
+    while True:
-            chunk = await field.read_chunk()
+        chunk = await field.read_chunk()
-            if not chunk:
+        if not chunk:
-                break
+            break
-            size += len(chunk)
+        size += len(chunk)
-            if size > 1_000_000:  # 1MB limit
+        if size > max_size:
-                os.remove(COOKIES_PATH)
+            return web.Response(status=400, text=serializer.encode({'status': 'error', 'msg': 'Cookie file too large (max 1MB)'}))
-                return web.Response(status=400, text=serializer.encode({'status': 'error', 'msg': 'Cookie file too large (max 1MB)'}))
+        content.extend(chunk)
-            f.write(chunk)
+
+    tmp_cookie_path = f"{COOKIES_PATH}.tmp"
+    with open(tmp_cookie_path, 'wb') as f:
+        f.write(content)
+    os.replace(tmp_cookie_path, COOKIES_PATH)
     config.set_runtime_override('cookiefile', COOKIES_PATH)
     log.info(f'Cookies file uploaded ({size} bytes)')
     return web.Response(text=serializer.encode({'status': 'ok', 'msg': f'Cookies uploaded ({size} bytes)'}))
@@ -446,6 +561,22 @@ async def connect(sid, environ):
         await sio.emit('ytdl_options_changed', serializer.encode(get_options_update_time()), to=sid)
 
 def get_custom_dirs():
+    cache_ttl_seconds = 5
+    now = asyncio.get_running_loop().time()
+    cache_key = (
+        config.DOWNLOAD_DIR,
+        config.AUDIO_DOWNLOAD_DIR,
+        config.CUSTOM_DIRS_EXCLUDE_REGEX,
+    )
+    if (
+        hasattr(get_custom_dirs, "_cache_key")
+        and hasattr(get_custom_dirs, "_cache_value")
+        and hasattr(get_custom_dirs, "_cache_time")
+        and get_custom_dirs._cache_key == cache_key
+        and (now - get_custom_dirs._cache_time) < cache_ttl_seconds
+    ):
+        return get_custom_dirs._cache_value
+
     def recursive_dirs(base):
         path = pathlib.Path(base)
 
@@ -482,10 +613,14 @@ def get_custom_dirs():
     if config.DOWNLOAD_DIR != config.AUDIO_DOWNLOAD_DIR:
         audio_download_dir = recursive_dirs(config.AUDIO_DOWNLOAD_DIR)
 
-    return {
+    result = {
         "download_dir": download_dir,
         "audio_download_dir": audio_download_dir
     }
+    get_custom_dirs._cache_key = cache_key
+    get_custom_dirs._cache_time = now
+    get_custom_dirs._cache_value = result
+    return result
 
 @routes.get(config.URL_PREFIX)
 def index(request):

app/tests/test_dl_formats.py

@@ -0,0 +1,21 @@
+import unittest
+
+from app.dl_formats import get_format, get_opts
+
+
+class DlFormatsTests(unittest.TestCase):
+    def test_audio_unknown_format_raises_value_error(self):
+        with self.assertRaises(ValueError):
+            get_format("audio", "auto", "invalid", "best")
+
+    def test_wav_does_not_enable_thumbnail_postprocessing(self):
+        opts = get_opts("audio", "auto", "wav", "best", {})
+        self.assertNotIn("writethumbnail", opts)
+
+    def test_mp3_enables_thumbnail_postprocessing(self):
+        opts = get_opts("audio", "auto", "mp3", "best", {})
+        self.assertTrue(opts.get("writethumbnail"))
+
+
+if __name__ == "__main__":
+    unittest.main()

app/ytdl.py

@@ -151,6 +151,8 @@ class DownloadInfo:
         title,
         url,
         quality,
+        download_type,
+        codec,
         format,
         folder,
         custom_name_prefix,
@@ -159,7 +161,6 @@ class DownloadInfo:
         playlist_item_limit,
         split_by_chapters,
         chapter_template,
-        subtitle_format="srt",
         subtitle_language="en",
         subtitle_mode="prefer_manual",
     ):
@@ -167,6 +168,8 @@ class DownloadInfo:
         self.title = title if len(custom_name_prefix) == 0 else f'{custom_name_prefix}.{title}'
         self.url = url
         self.quality = quality
+        self.download_type = download_type
+        self.codec = codec
         self.format = format
         self.folder = folder
         self.custom_name_prefix = custom_name_prefix
@@ -180,26 +183,76 @@ class DownloadInfo:
         self.playlist_item_limit = playlist_item_limit
         self.split_by_chapters = split_by_chapters
         self.chapter_template = chapter_template
-        self.subtitle_format = subtitle_format
         self.subtitle_language = subtitle_language
         self.subtitle_mode = subtitle_mode
         self.subtitle_files = []
 
+    def __setstate__(self, state):
+        """BACKWARD COMPATIBILITY: migrate old DownloadInfo from persistent queue files."""
+        self.__dict__.update(state)
+        if 'download_type' not in state:
+            old_format = state.get('format', 'any')
+            old_video_codec = state.get('video_codec', 'auto')
+            old_quality = state.get('quality', 'best')
+            old_subtitle_format = state.get('subtitle_format', 'srt')
+
+            if old_format in AUDIO_FORMATS:
+                self.download_type = 'audio'
+                self.codec = 'auto'
+            elif old_format == 'thumbnail':
+                self.download_type = 'thumbnail'
+                self.codec = 'auto'
+                self.format = 'jpg'
+            elif old_format == 'captions':
+                self.download_type = 'captions'
+                self.codec = 'auto'
+                self.format = old_subtitle_format
+            else:
+                self.download_type = 'video'
+                self.codec = old_video_codec
+                if old_quality == 'best_ios':
+                    self.format = 'ios'
+                    self.quality = 'best'
+                elif old_quality == 'audio':
+                    self.download_type = 'audio'
+                    self.codec = 'auto'
+                    self.format = 'm4a'
+                    self.quality = 'best'
+            self.__dict__.pop('video_codec', None)
+            self.__dict__.pop('subtitle_format', None)
+
+        if not getattr(self, "codec", None):
+            self.codec = "auto"
+        if not hasattr(self, "subtitle_files"):
+            self.subtitle_files = []
+
 class Download:
     manager = None
 
+    @classmethod
+    def shutdown_manager(cls):
+        if cls.manager is not None:
+            cls.manager.shutdown()
+            cls.manager = None
+
     def __init__(self, download_dir, temp_dir, output_template, output_template_chapter, quality, format, ytdl_opts, info):
         self.download_dir = download_dir
         self.temp_dir = temp_dir
         self.output_template = output_template
         self.output_template_chapter = output_template_chapter
         self.info = info
-        self.format = get_format(format, quality)
+        self.format = get_format(
+            getattr(info, 'download_type', 'video'),
+            getattr(info, 'codec', 'auto'),
+            format,
+            quality,
+        )
         self.ytdl_opts = get_opts(
+            getattr(info, 'download_type', 'video'),
+            getattr(info, 'codec', 'auto'),
             format,
             quality,
             ytdl_opts,
-            subtitle_format=getattr(info, 'subtitle_format', 'srt'),
             subtitle_language=getattr(info, 'subtitle_language', 'en'),
             subtitle_mode=getattr(info, 'subtitle_mode', 'prefer_manual'),
         )
@@ -241,7 +294,7 @@ class Download:
                     # For captions-only downloads, yt-dlp may still report a media-like
                     # filepath in MoveFiles. Capture subtitle outputs explicitly so the
                     # UI can link to real caption files.
-                    if self.info.format == 'captions':
+                    if getattr(self.info, 'download_type', '') == 'captions':
                         requested_subtitles = d.get('info_dict', {}).get('requested_subtitles', {}) or {}
                         for subtitle in requested_subtitles.values():
                             if isinstance(subtitle, dict) and subtitle.get('filepath'):
@@ -349,14 +402,14 @@ class Download:
                 rel_name = os.path.relpath(fileName, self.download_dir)
                 # For captions mode, ignore media-like placeholders and let subtitle_file
                 # statuses define the final file shown in the UI.
-                if self.info.format == 'captions':
+                if getattr(self.info, 'download_type', '') == 'captions':
-                    requested_subtitle_format = str(getattr(self.info, 'subtitle_format', '')).lower()
+                    requested_subtitle_format = str(getattr(self.info, 'format', '')).lower()
                     allowed_caption_exts = ('.txt',) if requested_subtitle_format == 'txt' else ('.vtt', '.srt', '.sbv', '.scc', '.ttml', '.dfxp')
                     if not rel_name.lower().endswith(allowed_caption_exts):
                         continue
                 self.info.filename = rel_name
                 self.info.size = os.path.getsize(fileName) if os.path.exists(fileName) else None
-                if self.info.format == 'thumbnail':
+                if getattr(self.info, 'download_type', '') == 'thumbnail':
                     self.info.filename = re.sub(r'\.webm$', '.jpg', self.info.filename)
 
             # Handle chapter files
@@ -381,7 +434,7 @@ class Download:
                 subtitle_output_file = subtitle_file
 
                 # txt mode is derived from SRT by stripping cue metadata.
-                if self.info.format == 'captions' and str(getattr(self.info, 'subtitle_format', '')).lower() == 'txt':
+                if getattr(self.info, 'download_type', '') == 'captions' and str(getattr(self.info, 'format', '')).lower() == 'txt':
                     converted_txt = _convert_srt_to_txt_file(subtitle_file)
                     if converted_txt:
                         subtitle_output_file = converted_txt
@@ -397,9 +450,9 @@ class Download:
                 if not existing:
                     self.info.subtitle_files.append({'filename': rel_path, 'size': file_size})
                 # Prefer first subtitle file as the primary result link in captions mode.
-                if self.info.format == 'captions' and (
+                if getattr(self.info, 'download_type', '') == 'captions' and (
                     not getattr(self.info, 'filename', None) or
-                    str(getattr(self.info, 'subtitle_format', '')).lower() == 'txt'
+                    str(getattr(self.info, 'format', '')).lower() == 'txt'
                 ):
                     self.info.filename = rel_path
                     self.info.size = file_size
@@ -431,7 +484,7 @@ class PersistentQueue:
 
     def load(self):
         for k, v in self.saved_items():
-            self.dict[k] = Download(None, None, None, None, None, None, {}, v)
+            self.dict[k] = Download(None, None, None, None, getattr(v, 'quality', 'best'), getattr(v, 'format', 'any'), {}, v)
 
     def exists(self, key):
         return key in self.dict
@@ -521,20 +574,33 @@ class PersistentQueue:
             log_prefix = f"PersistentQueue:{self.identifier} repair (sqlite3/file)"
             log.debug(f"{log_prefix} started")
             try:
-                result = subprocess.run(
+                recover_proc = subprocess.Popen(
-                    f"sqlite3 {self.path} '.recover' | sqlite3 {self.path}.tmp",
+                    ["sqlite3", self.path, ".recover"],
+                    stdout=subprocess.PIPE,
+                    stderr=subprocess.PIPE,
+                    text=True,
+                )
+                run_result = subprocess.run(
+                    ["sqlite3", f"{self.path}.tmp"],
+                    stdin=recover_proc.stdout,
                     capture_output=True,
                     text=True,
-                    shell=True,
+                    timeout=60,
-                    timeout=60
                 )
-                if result.stderr:
+                if recover_proc.stdout is not None:
-                    log.debug(f"{log_prefix} failed: {result.stderr}")
+                    recover_proc.stdout.close()
+                recover_stderr = recover_proc.stderr.read() if recover_proc.stderr is not None else ""
+                recover_proc.wait(timeout=60)
+                if run_result.stderr or recover_stderr:
+                    error_text = " ".join(part for part in [recover_stderr.strip(), run_result.stderr.strip()] if part)
+                    log.debug(f"{log_prefix} failed: {error_text}")
                 else:
                     shutil.move(f"{self.path}.tmp", self.path)
-                    log.debug(f"{log_prefix}{result.stdout or " was successful, no output"}")
+                    log.debug(f"{log_prefix}{run_result.stdout or ' was successful, no output'}")
             except FileNotFoundError:
                 log.debug(f"{log_prefix} failed: 'sqlite3' was not found")
+            except subprocess.TimeoutExpired:
+                log.debug(f"{log_prefix} failed: sqlite recovery timed out")
 
 class DownloadQueue:
     def __init__(self, config, notifier):
@@ -582,7 +648,7 @@ class DownloadQueue:
             if download.tmpfilename and os.path.isfile(download.tmpfilename):
                 try:
                     os.remove(download.tmpfilename)
-                except:
+                except OSError:
                     pass
             download.info.status = 'error'
         download.close()
@@ -622,8 +688,8 @@ class DownloadQueue:
             **({'impersonate': yt_dlp.networking.impersonate.ImpersonateTarget.from_str(self.config.YTDL_OPTIONS['impersonate'])} if 'impersonate' in self.config.YTDL_OPTIONS else {}),
         }).extract_info(url, download=False)
 
-    def __calc_download_path(self, quality, format, folder):
+    def __calc_download_path(self, download_type, folder):
-        base_directory = self.config.DOWNLOAD_DIR if (quality != 'audio' and format not in AUDIO_FORMATS) else self.config.AUDIO_DOWNLOAD_DIR
+        base_directory = self.config.AUDIO_DOWNLOAD_DIR if download_type == 'audio' else self.config.DOWNLOAD_DIR
         if folder:
             if not self.config.CUSTOM_DIRS:
                 return None, {'status': 'error', 'msg': 'A folder for the download was specified but CUSTOM_DIRS is not true in the configuration.'}
@@ -640,7 +706,7 @@ class DownloadQueue:
         return dldirectory, None
 
     async def __add_download(self, dl, auto_start):
-        dldirectory, error_message = self.__calc_download_path(dl.quality, dl.format, dl.folder)
+        dldirectory, error_message = self.__calc_download_path(dl.download_type, dl.folder)
         if error_message is not None:
             return error_message
         output = self.config.OUTPUT_TEMPLATE if len(dl.custom_name_prefix) == 0 else f'{dl.custom_name_prefix}.{self.config.OUTPUT_TEMPLATE}'
@@ -674,15 +740,16 @@ class DownloadQueue:
     async def __add_entry(
         self,
         entry,
-        quality,
+        download_type,
+        codec,
         format,
+        quality,
         folder,
         custom_name_prefix,
         playlist_item_limit,
         auto_start,
         split_by_chapters,
         chapter_template,
-        subtitle_format,
         subtitle_language,
         subtitle_mode,
         already,
@@ -705,15 +772,16 @@ class DownloadQueue:
             log.debug('Processing as a url')
             return await self.add(
                 entry['url'],
-                quality,
+                download_type,
+                codec,
                 format,
+                quality,
                 folder,
                 custom_name_prefix,
                 playlist_item_limit,
                 auto_start,
                 split_by_chapters,
                 chapter_template,
-                subtitle_format,
                 subtitle_language,
                 subtitle_mode,
                 already,
@@ -744,15 +812,16 @@ class DownloadQueue:
                 results.append(
                     await self.__add_entry(
                         etr,
-                        quality,
+                        download_type,
+                        codec,
                         format,
+                        quality,
                         folder,
                         custom_name_prefix,
                         playlist_item_limit,
                         auto_start,
                         split_by_chapters,
                         chapter_template,
-                        subtitle_format,
                         subtitle_language,
                         subtitle_mode,
                         already,
@@ -770,21 +839,22 @@ class DownloadQueue:
                 return {'status': 'ok'}
             if not self.queue.exists(key):
                 dl = DownloadInfo(
-                    entry['id'],
+                    id=entry['id'],
-                    entry.get('title') or entry['id'],
+                    title=entry.get('title') or entry['id'],
-                    key,
+                    url=key,
-                    quality,
+                    quality=quality,
-                    format,
+                    download_type=download_type,
-                    folder,
+                    codec=codec,
-                    custom_name_prefix,
+                    format=format,
-                    error,
+                    folder=folder,
-                    entry,
+                    custom_name_prefix=custom_name_prefix,
-                    playlist_item_limit,
+                    error=error,
-                    split_by_chapters,
+                    entry=entry,
-                    chapter_template,
+                    playlist_item_limit=playlist_item_limit,
-                    subtitle_format,
+                    split_by_chapters=split_by_chapters,
-                    subtitle_language,
+                    chapter_template=chapter_template,
-                    subtitle_mode,
+                    subtitle_language=subtitle_language,
+                    subtitle_mode=subtitle_mode,
                 )
                 await self.__add_download(dl, auto_start)
             return {'status': 'ok'}
@@ -793,24 +863,25 @@ class DownloadQueue:
     async def add(
         self,
         url,
-        quality,
+        download_type,
+        codec,
         format,
+        quality,
         folder,
         custom_name_prefix,
         playlist_item_limit,
         auto_start=True,
         split_by_chapters=False,
         chapter_template=None,
-        subtitle_format="srt",
         subtitle_language="en",
         subtitle_mode="prefer_manual",
         already=None,
         _add_gen=None,
     ):
         log.info(
-            f'adding {url}: {quality=} {format=} {already=} {folder=} {custom_name_prefix=} '
+            f'adding {url}: {download_type=} {codec=} {format=} {quality=} {already=} {folder=} {custom_name_prefix=} '
             f'{playlist_item_limit=} {auto_start=} {split_by_chapters=} {chapter_template=} '
-            f'{subtitle_format=} {subtitle_language=} {subtitle_mode=}'
+            f'{subtitle_language=} {subtitle_mode=}'
         )
         if already is None:
             _add_gen = self._add_generation
@@ -827,15 +898,16 @@ class DownloadQueue:
             return {'status': 'error', 'msg': str(exc)}
         return await self.__add_entry(
             entry,
-            quality,
+            download_type,
+            codec,
             format,
+            quality,
             folder,
             custom_name_prefix,
             playlist_item_limit,
             auto_start,
             split_by_chapters,
             chapter_template,
-            subtitle_format,
             subtitle_language,
             subtitle_mode,
             already,
@@ -845,7 +917,7 @@ class DownloadQueue:
     async def start_pending(self, ids):
         for id in ids:
             if not self.pending.exists(id):
-                log.warn(f'requested start for non-existent download {id}')
+                log.warning(f'requested start for non-existent download {id}')
                 continue
             dl = self.pending.get(id)
             self.queue.put(dl)
@@ -862,7 +934,7 @@ class DownloadQueue:
                 await self.notifier.canceled(id)
                 continue
             if not self.queue.exists(id):
-                log.warn(f'requested cancel for non-existent download {id}')
+                log.warning(f'requested cancel for non-existent download {id}')
                 continue
             if self.queue.get(id).started():
                 self.queue.get(id).cancel()
@@ -874,15 +946,15 @@ class DownloadQueue:
     async def clear(self, ids):
         for id in ids:
             if not self.done.exists(id):
-                log.warn(f'requested delete for non-existent download {id}')
+                log.warning(f'requested delete for non-existent download {id}')
                 continue
             if self.config.DELETE_FILE_ON_TRASHCAN:
                 dl = self.done.get(id)
                 try:
-                    dldirectory, _ = self.__calc_download_path(dl.info.quality, dl.info.format, dl.info.folder)
+                    dldirectory, _ = self.__calc_download_path(dl.info.download_type, dl.info.folder)
                     os.remove(os.path.join(dldirectory, dl.info.filename))
                 except Exception as e:
-                    log.warn(f'deleting file for download {id} failed with error message {e!r}')
+                    log.warning(f'deleting file for download {id} failed with error message {e!r}')
             self.done.delete(id)
             await self.notifier.cleared(id)
         return {'status': 'ok'}

ui/angular.json

@@ -33,9 +33,7 @@
               "node_modules/@ng-select/ng-select/themes/default.theme.css",
               "src/styles.sass"
             ],
-            "scripts": [
+            "scripts": [],
-              "node_modules/bootstrap/dist/js/bootstrap.bundle.min.js"
-            ],
             "serviceWorker": "ngsw-config.json",
             "browser": "src/main.ts",
             "polyfills": [
@@ -77,7 +75,8 @@
               "buildTarget": "metube:build:production"
             },
              "development": {
-              "buildTarget": "metube:build:development"
+              "buildTarget": "metube:build:development",
+              "proxyConfig": "proxy.conf.json"
             }
           },
            "defaultConfiguration": "development"

ui/package.json

@@ -23,14 +23,14 @@
   },
   "private": true,
   "dependencies": {
-    "@angular/animations": "^21.2.1",
+    "@angular/animations": "^21.2.4",
-    "@angular/common": "^21.2.1",
+    "@angular/common": "^21.2.4",
-    "@angular/compiler": "^21.2.1",
+    "@angular/compiler": "^21.2.4",
-    "@angular/core": "^21.2.1",
+    "@angular/core": "^21.2.4",
-    "@angular/forms": "^21.2.1",
+    "@angular/forms": "^21.2.4",
-    "@angular/platform-browser": "^21.2.1",
+    "@angular/platform-browser": "^21.2.4",
-    "@angular/platform-browser-dynamic": "^21.2.1",
+    "@angular/platform-browser-dynamic": "^21.2.4",
-    "@angular/service-worker": "^21.2.1",
+    "@angular/service-worker": "^21.2.4",
     "@fortawesome/angular-fontawesome": "~4.0.0",
     "@fortawesome/fontawesome-svg-core": "^7.2.0",
     "@fortawesome/free-brands-svg-icons": "^7.2.0",
@@ -40,7 +40,7 @@
     "@ng-select/ng-select": "^21.5.2",
     "@popperjs/core": "^2.11.8",
     "bootstrap": "^5.3.8",
-    "ngx-cookie-service": "^21.1.0",
+    "ngx-cookie-service": "^21.3.1",
     "ngx-socket-io": "~4.10.0",
     "rxjs": "~7.8.2",
     "tslib": "^2.8.1",
@@ -48,16 +48,16 @@
   },
   "devDependencies": {
     "@angular-eslint/builder": "21.1.0",
-    "@angular/build": "^21.2.1",
+    "@angular/build": "^21.2.2",
-    "@angular/cli": "^21.2.1",
+    "@angular/cli": "^21.2.2",
-    "@angular/compiler-cli": "^21.2.1",
+    "@angular/compiler-cli": "^21.2.4",
-    "@angular/localize": "^21.2.1",
+    "@angular/localize": "^21.2.4",
-    "@eslint/js": "^9.39.3",
+    "@eslint/js": "^9.39.4",
     "angular-eslint": "21.1.0",
-    "eslint": "^9.39.3",
+    "eslint": "^9.39.4",
     "jsdom": "^27.4.0",
     "typescript": "~5.9.3",
     "typescript-eslint": "8.47.0",
-    "vitest": "^4.0.18"
+    "vitest": "^4.1.0"
   }
 }

ui/src/app/app.config.ts

@@ -1,4 +1,4 @@
-import { ApplicationConfig, provideBrowserGlobalErrorListeners, isDevMode, provideZonelessChangeDetection, provideZoneChangeDetection } from '@angular/core';
+import { ApplicationConfig, provideBrowserGlobalErrorListeners, isDevMode, provideZoneChangeDetection } from '@angular/core';
 import { provideServiceWorker } from '@angular/service-worker';
 import { provideHttpClient, withInterceptorsFromDi } from '@angular/common/http';
 

ui/src/app/app.html

@@ -49,22 +49,22 @@
     </div>
     -->
     <div class="navbar-nav ms-auto">
-      <div class="nav-item dropdown">
+      <div class="nav-item dropdown" ngbDropdown placement="bottom-end">
         <button class="btn btn-link nav-link py-2 px-0 px-sm-2 dropdown-toggle d-flex align-items-center"
           id="theme-select"
           type="button"
           aria-expanded="false"
-          data-bs-toggle="dropdown"
+          ngbDropdownToggle>
-          data-bs-display="static">
           @if(activeTheme){
           <fa-icon [icon]="activeTheme.icon" />
           }
         </button>
-        <ul class="dropdown-menu dropdown-menu-end position-absolute" aria-labelledby="theme-select">
+        <ul class="dropdown-menu dropdown-menu-end position-absolute" aria-labelledby="theme-select" ngbDropdownMenu>
           @for (theme of themes; track theme) {
             <li>
               <button type="button" class="dropdown-item d-flex align-items-center"
               [class.active]="activeTheme === theme"
+              ngbDropdownItem
               (click)="themeChanged(theme)">
                 <span class="me-2 opacity-50">
                   <fa-icon [icon]="theme.icon" />
@@ -104,7 +104,15 @@
                 Canceling...
               </button>
             } @else if (addInProgress) {
-              <button class="btn btn-danger btn-lg px-3" type="button" (click)="cancelAdding()">
+              <button class="btn btn-secondary btn-lg px-3 add-progress-btn" type="button" disabled>
+                <span class="spinner-border spinner-border-sm me-2" role="status"></span>
+                Adding...
+              </button>
+              <button class="btn btn-outline-danger btn-lg px-3 add-cancel-btn"
+                type="button"
+                (click)="cancelAdding()"
+                aria-label="Cancel adding URL"
+                title="Cancel adding URL">
                 <fa-icon [icon]="faTimesCircle" class="me-1" /> Cancel
               </button>
             } @else {
@@ -120,39 +128,205 @@
 
       <!-- Options Row -->
       <div class="row mb-3 g-3">
-        <div class="col-md-4">
+        @if (downloadType === 'video') {
-          <div class="input-group">
+          <div class="col-md-3">
-            <span class="input-group-text">Quality</span>
+            <div class="input-group">
-            <select class="form-select"
+              <span class="input-group-text">Type</span>
-              name="quality"
+              <select class="form-select"
-              [(ngModel)]="quality"
+                name="downloadType"
-              (change)="qualityChanged()"
+                [(ngModel)]="downloadType"
-              [disabled]="addInProgress || downloads.loading">
+                (change)="downloadTypeChanged()"
-              @for (q of qualities; track q) {
+                [disabled]="addInProgress || downloads.loading">
-                <option [ngValue]="q.id">{{ q.text }}</option>
+                @for (type of downloadTypes; track type.id) {
-              }
+                  <option [ngValue]="type.id">{{ type.text }}</option>
-            </select>
+                }
+              </select>
+            </div>
           </div>
-        </div>
+          <div class="col-md-3">
-        <div class="col-md-4">
+            <div class="input-group">
-          <div class="input-group">
+              <span class="input-group-text">Codec</span>
-            <span class="input-group-text">Format</span>
+              <select class="form-select"
-            <select class="form-select"
+                name="codec"
-              name="format"
+                [(ngModel)]="codec"
-              [(ngModel)]="format"
+                (change)="codecChanged()"
-              (change)="formatChanged()"
+                [disabled]="addInProgress || downloads.loading">
-              [disabled]="addInProgress || downloads.loading">
+                @for (vc of videoCodecs; track vc.id) {
-              @for (f of formats; track f) {
+                  <option [ngValue]="vc.id">{{ vc.text }}</option>
-                <option [ngValue]="f.id">{{ f.text }}</option>
+                }
-              }
+              </select>
-            </select>
+            </div>
           </div>
-        </div>
+          <div class="col-md-3">
-        <div class="col-md-4">
+            <div class="input-group">
+              <span class="input-group-text">Format</span>
+              <select class="form-select"
+                name="format"
+                [(ngModel)]="format"
+                (change)="formatChanged()"
+                [disabled]="addInProgress || downloads.loading">
+                @for (f of formatOptions; track f.id) {
+                  <option [ngValue]="f.id">{{ f.text }}</option>
+                }
+              </select>
+            </div>
+          </div>
+          <div class="col-md-3">
+            <div class="input-group">
+              <span class="input-group-text">Quality</span>
+              <select class="form-select"
+                name="quality"
+                [(ngModel)]="quality"
+                (change)="qualityChanged()"
+                [disabled]="addInProgress || downloads.loading || !showQualitySelector()">
+                @for (q of qualities; track q.id) {
+                  <option [ngValue]="q.id">{{ q.text }}</option>
+                }
+              </select>
+            </div>
+          </div>
+        } @else if (downloadType === 'audio') {
+          <div class="col-md-4">
+            <div class="input-group">
+              <span class="input-group-text">Type</span>
+              <select class="form-select"
+                name="downloadType"
+                [(ngModel)]="downloadType"
+                (change)="downloadTypeChanged()"
+                [disabled]="addInProgress || downloads.loading">
+                @for (type of downloadTypes; track type.id) {
+                  <option [ngValue]="type.id">{{ type.text }}</option>
+                }
+              </select>
+            </div>
+          </div>
+          <div class="col-md-4">
+            <div class="input-group">
+              <span class="input-group-text">Format</span>
+              <select class="form-select"
+                name="format"
+                [(ngModel)]="format"
+                (change)="formatChanged()"
+                [disabled]="addInProgress || downloads.loading">
+                @for (f of formatOptions; track f.id) {
+                  <option [ngValue]="f.id">{{ f.text }}</option>
+                }
+              </select>
+            </div>
+          </div>
+          <div class="col-md-4">
+            <div class="input-group">
+              <span class="input-group-text">Quality</span>
+              <select class="form-select"
+                name="quality"
+                [(ngModel)]="quality"
+                (change)="qualityChanged()"
+                [disabled]="addInProgress || downloads.loading">
+                @for (q of qualities; track q.id) {
+                  <option [ngValue]="q.id">{{ q.text }}</option>
+                }
+              </select>
+            </div>
+          </div>
+        } @else if (downloadType === 'captions') {
+          <div class="col-md-3">
+            <div class="input-group">
+              <span class="input-group-text">Type</span>
+              <select class="form-select"
+                name="downloadType"
+                [(ngModel)]="downloadType"
+                (change)="downloadTypeChanged()"
+                [disabled]="addInProgress || downloads.loading">
+                @for (type of downloadTypes; track type.id) {
+                  <option [ngValue]="type.id">{{ type.text }}</option>
+                }
+              </select>
+            </div>
+          </div>
+          <div class="col-md-3">
+            <div class="input-group">
+              <span class="input-group-text">Format</span>
+              <select class="form-select"
+                name="format"
+                [(ngModel)]="format"
+                (change)="formatChanged()"
+                [disabled]="addInProgress || downloads.loading"
+                ngbTooltip="Subtitle output format for captions mode">
+                @for (f of formatOptions; track f.id) {
+                  <option [ngValue]="f.id">{{ f.text }}</option>
+                }
+              </select>
+            </div>
+          </div>
+          <div class="col-md-3">
+            <div class="input-group">
+              <span class="input-group-text">Language</span>
+              <input class="form-control"
+                type="text"
+                list="subtitleLanguageOptions"
+                name="subtitleLanguage"
+                [(ngModel)]="subtitleLanguage"
+                (change)="subtitleLanguageChanged()"
+                [disabled]="addInProgress || downloads.loading"
+                placeholder="e.g. en, es, zh-Hans"
+                ngbTooltip="Subtitle language (you can type any language code)">
+              <datalist id="subtitleLanguageOptions">
+                @for (lang of subtitleLanguages; track lang.id) {
+                  <option [value]="lang.id">{{ lang.text }}</option>
+                }
+              </datalist>
+            </div>
+          </div>
+          <div class="col-md-3">
+            <div class="input-group">
+              <span class="input-group-text">Subtitle Source</span>
+              <select class="form-select"
+                name="subtitleMode"
+                [(ngModel)]="subtitleMode"
+                (change)="subtitleModeChanged()"
+                [disabled]="addInProgress || downloads.loading"
+                ngbTooltip="Choose manual, auto, or fallback preference for captions mode">
+                @for (mode of subtitleModes; track mode.id) {
+                  <option [ngValue]="mode.id">{{ mode.text }}</option>
+                }
+              </select>
+            </div>
+          </div>
+        } @else {
+          <div class="col-md-6">
+            <div class="input-group">
+              <span class="input-group-text">Type</span>
+              <select class="form-select"
+                name="downloadType"
+                [(ngModel)]="downloadType"
+                (change)="downloadTypeChanged()"
+                [disabled]="addInProgress || downloads.loading">
+                @for (type of downloadTypes; track type.id) {
+                  <option [ngValue]="type.id">{{ type.text }}</option>
+                }
+              </select>
+            </div>
+          </div>
+          <div class="col-md-6">
+            <div class="input-group">
+              <span class="input-group-text">Format</span>
+              <input class="form-control" value="JPG" disabled>
+            </div>
+          </div>
+        }
+      </div>
+
+      <div class="row mb-3 g-3">
+        <div class="col-12 text-start">
           <button type="button"
-            class="btn btn-outline-secondary w-100 h-100"
+            class="btn btn-link p-0 text-decoration-none"
-            (click)="toggleAdvanced()">
+            (click)="toggleAdvanced()"
+            [attr.aria-expanded]="isAdvancedOpen"
+            aria-controls="advancedOptions">
             Advanced Options
+            <fa-icon
+              [icon]="isAdvancedOpen ? faChevronDown : faChevronRight"
+              class="ms-1" />
           </button>
         </div>
       </div>
@@ -161,7 +335,7 @@
       <div class="row">
         <div class="col-12">
           <div class="collapse show" id="advancedOptions" [ngbCollapse]="!isAdvancedOpen">
-            <div class="card card-body">
+            <div class="py-2">
               <!-- Advanced Settings -->
               <div class="row g-3 mb-2">
                 <div class="col-md-6">
@@ -225,60 +399,6 @@
                       ngbTooltip="Maximum number of items to download from a playlist or channel (0 = no limit)">
                   </div>
                 </div>
-                @if (format === 'captions') {
-                  <div class="col-md-4">
-                    <div class="input-group">
-                      <span class="input-group-text">Subtitles</span>
-                      <select class="form-select"
-                        name="subtitleFormat"
-                        [(ngModel)]="subtitleFormat"
-                        (change)="subtitleFormatChanged()"
-                        [disabled]="addInProgress || downloads.loading"
-                        ngbTooltip="Subtitle output format for captions mode">
-                        @for (fmt of subtitleFormats; track fmt.id) {
-                          <option [ngValue]="fmt.id">{{ fmt.text }}</option>
-                        }
-                      </select>
-                    </div>
-                    @if (subtitleFormat === 'txt') {
-                      <div class="form-text">TXT is generated from SRT by stripping timestamps and cue numbers.</div>
-                    }
-                  </div>
-                  <div class="col-md-4">
-                    <div class="input-group">
-                      <span class="input-group-text">Language</span>
-                      <input class="form-control"
-                        type="text"
-                        list="subtitleLanguageOptions"
-                        name="subtitleLanguage"
-                        [(ngModel)]="subtitleLanguage"
-                        (change)="subtitleLanguageChanged()"
-                        [disabled]="addInProgress || downloads.loading"
-                        placeholder="e.g. en, es, zh-Hans"
-                        ngbTooltip="Subtitle language (you can type any language code)">
-                      <datalist id="subtitleLanguageOptions">
-                        @for (lang of subtitleLanguages; track lang.id) {
-                          <option [value]="lang.id">{{ lang.text }}</option>
-                        }
-                      </datalist>
-                    </div>
-                  </div>
-                  <div class="col-md-4">
-                    <div class="input-group">
-                      <span class="input-group-text">Subtitle Source</span>
-                      <select class="form-select"
-                        name="subtitleMode"
-                        [(ngModel)]="subtitleMode"
-                        (change)="subtitleModeChanged()"
-                        [disabled]="addInProgress || downloads.loading"
-                        ngbTooltip="Choose manual, auto, or fallback preference for captions mode">
-                        @for (mode of subtitleModes; track mode.id) {
-                          <option [ngValue]="mode.id">{{ mode.text }}</option>
-                        }
-                      </select>
-                    </div>
-                  </div>
-                }
                 <div class="col-12">
                   <div class="row g-2 align-items-center">
                     <div class="col-auto">
@@ -386,16 +506,18 @@
 
   <!-- Batch Import Modal -->
   <div class="modal fade" tabindex="-1" role="dialog"
+  aria-modal="true"
+  aria-labelledby="batch-import-modal-title"
   [class.show]="batchImportModalOpen"
   [style.display]="batchImportModalOpen ? 'block' : 'none'">
     <div class="modal-dialog" role="document">
       <div class="modal-content">
         <div class="modal-header">
-          <h5 class="modal-title">Batch Import URLs</h5>
+          <h5 id="batch-import-modal-title" class="modal-title">Batch Import URLs</h5>
           <button type="button" class="btn-close" aria-label="Close" (click)="closeBatchImportModal()"></button>
         </div>
         <div class="modal-body">
-          <textarea [(ngModel)]="batchImportText" class="form-control" rows="6"
+          <textarea id="batch-import-textarea" [(ngModel)]="batchImportText" class="form-control" rows="6"
           placeholder="Paste one video URL per line"></textarea>
           <div class="mt-2">
             @if (batchImportStatus) {
@@ -434,7 +556,7 @@
       <thead>
         <tr>
           <th scope="col" style="width: 1rem;">
-            <app-master-checkbox #queueMasterCheckboxRef [id]="'queue'" [list]="downloads.queue" (changed)="queueSelectionChanged($event)" />
+            <app-select-all-checkbox #queueMasterCheckboxRef [id]="'queue'" [list]="downloads.queue" (changed)="queueSelectionChanged($event)" />
           </th>
           <th scope="col">Video</th>
           <th scope="col" style="width: 8rem;">Speed</th>
@@ -446,7 +568,7 @@
         @for (download of downloads.queue | keyvalue: asIsOrder; track download.value.id) {
           <tr [class.disabled]='download.value.deleting'>
             <td>
-              <app-slave-checkbox [id]="download.key" [master]="queueMasterCheckboxRef" [checkable]="download.value" />
+              <app-item-checkbox [id]="download.key" [master]="queueMasterCheckboxRef" [checkable]="download.value" />
             </td>
             <td title="{{ download.value.filename }}">
               <div class="d-flex flex-column flex-sm-row align-items-center row-gap-2 column-gap-3">
@@ -460,10 +582,10 @@
             <td>
               <div class="d-flex">
                 @if (download.value.status === 'pending') {
-                  <button type="button" class="btn btn-link" (click)="downloadItemByKey(download.key)"><fa-icon [icon]="faDownload" /></button>
+                  <button type="button" class="btn btn-link" [attr.aria-label]="'Start download for ' + download.value.title" (click)="downloadItemByKey(download.key)"><fa-icon [icon]="faDownload" /></button>
                 }
-                <button type="button" class="btn btn-link" (click)="delDownload('queue', download.key)"><fa-icon [icon]="faTrashAlt" /></button>
+                <button type="button" class="btn btn-link" [attr.aria-label]="'Remove ' + download.value.title + ' from queue'" (click)="delDownload('queue', download.key)"><fa-icon [icon]="faTrashAlt" /></button>
-                <a href="{{download.value.url}}" target="_blank" class="btn btn-link"><fa-icon [icon]="faExternalLinkAlt" /></a>
+                <a href="{{download.value.url}}" target="_blank" class="btn btn-link" [attr.aria-label]="'Open source URL for ' + download.value.title"><fa-icon [icon]="faExternalLinkAlt" /></a>
               </div>
             </td>
           </tr>
@@ -476,9 +598,9 @@
   <div class="px-2 py-3 border-bottom">
     <button type="button" class="btn btn-link text-decoration-none px-0 me-4" (click)="toggleSortOrder()" ngbTooltip="{{ sortAscending ? 'Oldest first' : 'Newest first' }}"><fa-icon [icon]="sortAscending ? faSortAmountUp : faSortAmountDown" />&nbsp; {{ sortAscending ? 'Oldest first' : 'Newest first' }}</button>
     <button type="button" class="btn btn-link text-decoration-none px-0 me-4" disabled #doneDelSelected (click)="delSelectedDownloads('done')"><fa-icon [icon]="faTrashAlt" />&nbsp; Clear selected</button>
-    <button type="button" class="btn btn-link text-decoration-none px-0 me-4" disabled #doneClearCompleted (click)="clearCompletedDownloads()"><fa-icon [icon]="faCheckCircle" />&nbsp; Clear completed</button>
+    <button type="button" class="btn btn-link text-decoration-none px-0 me-4" [disabled]="!hasCompletedDone" (click)="clearCompletedDownloads()"><fa-icon [icon]="faCheckCircle" />&nbsp; Clear completed</button>
-    <button type="button" class="btn btn-link text-decoration-none px-0 me-4" disabled #doneClearFailed (click)="clearFailedDownloads()"><fa-icon [icon]="faTimesCircle" />&nbsp; Clear failed</button>
+    <button type="button" class="btn btn-link text-decoration-none px-0 me-4" [disabled]="!hasFailedDone" (click)="clearFailedDownloads()"><fa-icon [icon]="faTimesCircle" />&nbsp; Clear failed</button>
-    <button type="button" class="btn btn-link text-decoration-none px-0 me-4" disabled #doneRetryFailed (click)="retryFailedDownloads()"><fa-icon [icon]="faRedoAlt" />&nbsp; Retry failed</button>
+    <button type="button" class="btn btn-link text-decoration-none px-0 me-4" [disabled]="!hasFailedDone" (click)="retryFailedDownloads()"><fa-icon [icon]="faRedoAlt" />&nbsp; Retry failed</button>
     <button type="button" class="btn btn-link text-decoration-none px-0 me-4" disabled #doneDownloadSelected (click)="downloadSelectedFiles()"><fa-icon [icon]="faDownload" />&nbsp; Download Selected</button>
   </div>
   <div class="overflow-auto">
@@ -486,10 +608,14 @@
       <thead>
         <tr>
           <th scope="col" style="width: 1rem;">
-            <app-master-checkbox #doneMasterCheckboxRef [id]="'done'" [list]="downloads.done" (changed)="doneSelectionChanged($event)" />
+            <app-select-all-checkbox #doneMasterCheckboxRef [id]="'done'" [list]="downloads.done" (changed)="doneSelectionChanged($event)" />
           </th>
           <th scope="col">Video</th>
+          <th scope="col">Type</th>
+          <th scope="col">Quality</th>
+          <th scope="col">Codec / Format</th>
           <th scope="col">File Size</th>
+          <th scope="col">Downloaded</th>
           <th scope="col" style="width: 8rem;"></th>
         </tr>
       </thead>
@@ -497,7 +623,7 @@
         @for (entry of cachedSortedDone; track entry[1].id) {
           <tr [class.disabled]='entry[1].deleting'>
             <td>
-              <app-slave-checkbox [id]="entry[0]" [master]="doneMasterCheckboxRef" [checkable]="entry[1]" />
+              <app-item-checkbox [id]="entry[0]" [master]="doneMasterCheckboxRef" [checkable]="entry[1]" />
             </td>
             <td>
               <div style="display: inline-block; width: 1.5rem;">
@@ -516,15 +642,18 @@
               <span ngbTooltip="{{buildResultItemTooltip(entry[1])}}">@if (!!entry[1].filename) {
                 <a href="{{buildDownloadLink(entry[1])}}" target="_blank">{{ entry[1].title }}</a>
               } @else {
-                <span [style.cursor]="entry[1].status === 'error' ? 'pointer' : 'default'"
+                @if (entry[1].status === 'error') {
-                  (click)="entry[1].status === 'error' ? toggleErrorDetail(entry[0]) : null">
+                  <button type="button" class="btn btn-link p-0 text-start align-baseline" (click)="toggleErrorDetail(entry[0])">
-                  {{entry[1].title}}
+                    {{entry[1].title}}
-                  @if (entry[1].status === 'error' && !isErrorExpanded(entry[0])) {
+                    @if (!isErrorExpanded(entry[0])) {
-                    <small class="text-danger ms-2">
+                      <small class="text-danger ms-2">
-                      <fa-icon [icon]="faChevronRight" size="xs" class="me-1" />Click for details
+                        <fa-icon [icon]="faChevronRight" size="xs" class="me-1" />Click for details
-                    </small>
+                      </small>
-                  }
+                    }
-                </span>
+                  </button>
+                } @else {
+                  <span>{{entry[1].title}}</span>
+                }
               }</span>
               @if (entry[1].status === 'error' && isErrorExpanded(entry[0])) {
                 <div class="alert alert-danger py-2 px-3 mt-2 mb-0 small" style="border-left: 4px solid var(--bs-danger);">
@@ -551,21 +680,35 @@
                 </div>
               }
             </td>
+            <td class="text-nowrap">
+              {{ downloadTypeLabel(entry[1]) }}
+            </td>
+            <td class="text-nowrap">
+              {{ formatQualityLabel(entry[1]) }}
+            </td>
+            <td class="text-nowrap">
+              {{ formatCodecLabel(entry[1]) }}
+            </td>
             <td>
               @if (entry[1].size) {
                 <span>{{ entry[1].size | fileSize }}</span>
               }
             </td>
+            <td class="text-nowrap">
+              @if (entry[1].timestamp) {
+                <span>{{ entry[1].timestamp / 1000000 | date:'yyyy-MM-dd HH:mm' }}</span>
+              }
+            </td>
             <td>
               <div class="d-flex">
                 @if (entry[1].status === 'error') {
-                  <button type="button" class="btn btn-link" (click)="retryDownload(entry[0], entry[1])"><fa-icon [icon]="faRedoAlt" /></button>
+                  <button type="button" class="btn btn-link" [attr.aria-label]="'Retry download for ' + entry[1].title" (click)="retryDownload(entry[0], entry[1])"><fa-icon [icon]="faRedoAlt" /></button>
                 }
                 @if (entry[1].filename) {
-                  <a href="{{buildDownloadLink(entry[1])}}" download class="btn btn-link"><fa-icon [icon]="faDownload" /></a>
+                  <a href="{{buildDownloadLink(entry[1])}}" download class="btn btn-link" [attr.aria-label]="'Download result file for ' + entry[1].title"><fa-icon [icon]="faDownload" /></a>
                 }
-                <a href="{{entry[1].url}}" target="_blank" class="btn btn-link"><fa-icon [icon]="faExternalLinkAlt" /></a>
+                <a href="{{entry[1].url}}" target="_blank" class="btn btn-link" [attr.aria-label]="'Open source URL for ' + entry[1].title"><fa-icon [icon]="faExternalLinkAlt" /></a>
-                <button type="button" class="btn btn-link" (click)="delDownload('done', entry[0])"><fa-icon [icon]="faTrashAlt" /></button>
+                <button type="button" class="btn btn-link" [attr.aria-label]="'Delete completed item ' + entry[1].title" (click)="delDownload('done', entry[0])"><fa-icon [icon]="faTrashAlt" /></button>
               </div>
             </td>
           </tr>
@@ -576,18 +719,22 @@
               <td>
                 <div style="padding-left: 2rem;">
               <fa-icon [icon]="faCheckCircle" class="text-success me-2" />
-              <a href="{{buildChapterDownloadLink(entry[1], chapterFile.filename)}}" target="_blank">{{
+              <a href="{{buildChapterDownloadLink(entry[1], chapterFile.filename)}}" target="_blank" [attr.aria-label]="'Open chapter file ' + getChapterFileName(chapterFile.filename)">{{
                 getChapterFileName(chapterFile.filename) }}</a>
             </div>
           </td>
+          <td></td>
+          <td></td>
+          <td></td>
           <td>
             @if (chapterFile.size) {
             <span>{{ chapterFile.size | fileSize }}</span>
             }
           </td>
+          <td></td>
           <td>
             <div class="d-flex">
-              <a href="{{buildChapterDownloadLink(entry[1], chapterFile.filename)}}" download
+              <a href="{{buildChapterDownloadLink(entry[1], chapterFile.filename)}}" download [attr.aria-label]="'Download chapter file ' + getChapterFileName(chapterFile.filename)"
                 class="btn btn-link"><fa-icon [icon]="faDownload" /></a>
             </div>
           </td>

ui/src/app/app.sass

@@ -1,29 +1,7 @@
-.button-toggle-theme:focus, .button-toggle-theme:active
-    box-shadow: none
-    outline: 0px
-
 .add-url-box
     max-width: 960px
     margin: 4rem auto
 
-.add-url-component
-    margin: 0.5rem auto
-
-.add-url-group
-    width: 100%
-
-button.add-url
-    width: 100%
-
-.folder-dropdown-menu
-    width: 500px
-    max-width: calc(100vw - 3rem)
-
-.folder-dropdown-menu .input-group
-    display: flex
-    padding-left: 5px
-    padding-right: 5px
-
 .metube-section-header
     font-size: 1.8rem
     font-weight: 300
@@ -66,39 +44,11 @@ td
     width: 12rem
     margin-left: auto
 
-.batch-panel
-  margin-top: 15px
-  border: 1px solid #ccc
-  border-radius: 8px
-  padding: 15px
-  background-color: #fff
-  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1)
-
-.batch-panel-header
-  border-bottom: 1px solid #eee
-  padding-bottom: 8px
-  margin-bottom: 15px
-  h4
-    font-size: 1.5rem
-    margin: 0
-
-.batch-panel-body
-  textarea.form-control
-    resize: vertical
-
-.batch-status
-  font-size: 0.9rem
-  color: #555
-
-.d-flex.my-3
-  margin-top: 1rem
-  margin-bottom: 1rem
-
 .modal.fade.show
   background-color: rgba(0, 0, 0, 0.5)
 
 .modal-header
-  border-bottom: 1px solid #eee
+  border-bottom: 1px solid var(--bs-border-color)
 
 .modal-body
   textarea.form-control
@@ -112,20 +62,12 @@ td
   .spinner-border
     margin-right: 0.5rem
 
-::ng-deep .ng-select
+.add-progress-btn
-    flex: 1
+  min-width: 9.5rem
-    .ng-select-container
+  cursor: default
-        min-height: 38px
+
-    .ng-value
+.add-cancel-btn
-        white-space: nowrap
+  min-width: 3.25rem
-        overflow: visible
-    .ng-dropdown-panel
-        .ng-dropdown-panel-items
-            max-height: 300px
-            .ng-option
-                white-space: nowrap
-                overflow: visible
-                text-overflow: ellipsis
 
 :host
   display: flex

ui/src/app/app.ts

@@ -1,46 +1,74 @@
-import { AsyncPipe, KeyValuePipe } from '@angular/common';
+import { AsyncPipe, DatePipe, KeyValuePipe } from '@angular/common';
 import { HttpClient } from '@angular/common/http';
-import { AfterViewInit, Component, ElementRef, viewChild, inject, OnInit } from '@angular/core';
+import { AfterViewInit, ChangeDetectionStrategy, ChangeDetectorRef, Component, DestroyRef, ElementRef, viewChild, inject, OnDestroy, OnInit } from '@angular/core';
 import { Observable, map, distinctUntilChanged } from 'rxjs';
 import { FormsModule } from '@angular/forms';
+import { takeUntilDestroyed } from '@angular/core/rxjs-interop';
 import { FontAwesomeModule } from '@fortawesome/angular-fontawesome';
 import { NgbModule } from '@ng-bootstrap/ng-bootstrap';
 import { NgSelectModule } from '@ng-select/ng-select';  
-import { faTrashAlt, faCheckCircle, faTimesCircle, faRedoAlt, faSun, faMoon, faCheck, faCircleHalfStroke, faDownload, faExternalLinkAlt, faFileImport, faFileExport, faCopy, faClock, faTachometerAlt, faSortAmountDown, faSortAmountUp, faChevronRight, faUpload } from '@fortawesome/free-solid-svg-icons';
+import { faTrashAlt, faCheckCircle, faTimesCircle, faRedoAlt, faSun, faMoon, faCheck, faCircleHalfStroke, faDownload, faExternalLinkAlt, faFileImport, faFileExport, faCopy, faClock, faTachometerAlt, faSortAmountDown, faSortAmountUp, faChevronRight, faChevronDown, faUpload } from '@fortawesome/free-solid-svg-icons';
 import { faGithub } from '@fortawesome/free-brands-svg-icons';
 import { CookieService } from 'ngx-cookie-service';
-import { DownloadsService } from './services/downloads.service';
+import { AddDownloadPayload, DownloadsService } from './services/downloads.service';
 import { Themes } from './theme';
-import { Download, Status, Theme , Quality, Format, Formats, State } from './interfaces';
+import {
+  Download,
+  Status,
+  Theme,
+  Quality,
+  Option,
+  AudioFormatOption,
+  DOWNLOAD_TYPES,
+  VIDEO_CODECS,
+  VIDEO_FORMATS,
+  VIDEO_QUALITIES,
+  AUDIO_FORMATS,
+  CAPTION_FORMATS,
+  THUMBNAIL_FORMATS,
+  State,
+} from './interfaces';
 import { EtaPipe, SpeedPipe, FileSizePipe } from './pipes';
-import { MasterCheckboxComponent , SlaveCheckboxComponent} from './components/';
+import { SelectAllCheckboxComponent, ItemCheckboxComponent } from './components/';
 
 @Component({
   selector: 'app-root',
+  changeDetection: ChangeDetectionStrategy.OnPush,
   imports: [
         FormsModule,
         KeyValuePipe,
         AsyncPipe,
+        DatePipe,
         FontAwesomeModule,
         NgbModule,
         NgSelectModule,
         EtaPipe,
         SpeedPipe,
         FileSizePipe,
-        MasterCheckboxComponent,
+        SelectAllCheckboxComponent,
-        SlaveCheckboxComponent,
+        ItemCheckboxComponent,
   ],
   templateUrl: './app.html',
   styleUrl: './app.sass',
 })
-export class App implements AfterViewInit, OnInit {
+export class App implements AfterViewInit, OnInit, OnDestroy {
   downloads = inject(DownloadsService);
   private cookieService = inject(CookieService);
   private http = inject(HttpClient);
+  private cdr = inject(ChangeDetectorRef);
+  private destroyRef = inject(DestroyRef);
 
   addUrl!: string;
-  formats: Format[] = Formats;
+  downloadTypes: Option[] = DOWNLOAD_TYPES;
+  videoCodecs: Option[] = VIDEO_CODECS;
+  videoFormats: Option[] = VIDEO_FORMATS;
+  audioFormats: AudioFormatOption[] = AUDIO_FORMATS;
+  captionFormats: Option[] = CAPTION_FORMATS;
+  thumbnailFormats: Option[] = THUMBNAIL_FORMATS;
+  formatOptions: Option[] = [];
   qualities!: Quality[];
+  downloadType: string;
+  codec: string;
   quality: string;
   format: string;
   folder!: string;
@@ -49,7 +77,6 @@ export class App implements AfterViewInit, OnInit {
   playlistItemLimit!: number;
   splitByChapters: boolean;
   chapterTemplate: string;
-  subtitleFormat: string;
   subtitleLanguage: string;
   subtitleMode: string;
   addInProgress = false;
@@ -70,9 +97,26 @@ export class App implements AfterViewInit, OnInit {
   metubeVersion: string | null = null;
   isAdvancedOpen = false;
   sortAscending = false;
-  expandedErrors: Set<string> = new Set();
+  expandedErrors: Set<string> = new Set<string>();
   cachedSortedDone: [string, Download][] = [];
   lastCopiedErrorId: string | null = null;
+  private previousDownloadType = 'video';
+  private selectionsByType: Record<string, {
+    codec: string;
+    format: string;
+    quality: string;
+    subtitleLanguage: string;
+    subtitleMode: string;
+  }> = {};
+  private readonly selectionCookiePrefix = 'metube_selection_';
+  private readonly settingsCookieExpiryDays = 3650;
+  private lastFocusedElement: HTMLElement | null = null;
+  private colorSchemeMediaQuery = window.matchMedia('(prefers-color-scheme: dark)');
+  private onColorSchemeChanged = () => {
+    if (this.activeTheme && this.activeTheme.id === 'auto') {
+      this.setTheme(this.activeTheme);
+    }
+  };
 
   // Download metrics
   activeDownloads = 0;
@@ -80,15 +124,14 @@ export class App implements AfterViewInit, OnInit {
   completedDownloads = 0;
   failedDownloads = 0;
   totalSpeed = 0;
+  hasCompletedDone = false;
+  hasFailedDone = false;
 
-  readonly queueMasterCheckbox = viewChild<MasterCheckboxComponent>('queueMasterCheckboxRef');
+  readonly queueMasterCheckbox = viewChild<SelectAllCheckboxComponent>('queueMasterCheckboxRef');
   readonly queueDelSelected = viewChild.required<ElementRef>('queueDelSelected');
   readonly queueDownloadSelected = viewChild.required<ElementRef>('queueDownloadSelected');
-  readonly doneMasterCheckbox = viewChild<MasterCheckboxComponent>('doneMasterCheckboxRef');
+  readonly doneMasterCheckbox = viewChild<SelectAllCheckboxComponent>('doneMasterCheckboxRef');
   readonly doneDelSelected = viewChild.required<ElementRef>('doneDelSelected');
-  readonly doneClearCompleted = viewChild.required<ElementRef>('doneClearCompleted');
-  readonly doneClearFailed = viewChild.required<ElementRef>('doneClearFailed');
-  readonly doneRetryFailed = viewChild.required<ElementRef>('doneRetryFailed');
   readonly doneDownloadSelected = viewChild.required<ElementRef>('doneDownloadSelected');
 
   faTrashAlt = faTrashAlt;
@@ -110,13 +153,8 @@ export class App implements AfterViewInit, OnInit {
   faSortAmountDown = faSortAmountDown;
   faSortAmountUp = faSortAmountUp;
   faChevronRight = faChevronRight;
+  faChevronDown = faChevronDown;
   faUpload = faUpload;
-  subtitleFormats = [
-    { id: 'srt', text: 'SRT' },
-    { id: 'txt', text: 'TXT (Text only)' },
-    { id: 'vtt', text: 'VTT' },
-    { id: 'ttml', text: 'TTML' }
-  ];
   subtitleLanguages = [
     { id: 'en', text: 'English' },
     { id: 'ar', text: 'Arabic' },
@@ -168,81 +206,89 @@ export class App implements AfterViewInit, OnInit {
     { id: 'manual_only', text: 'Manual Only' },
     { id: 'auto_only', text: 'Auto Only' },
   ];
-
   constructor() {
+    this.downloadType = this.cookieService.get('metube_download_type') || 'video';
+    this.codec = this.cookieService.get('metube_codec') || 'auto';
     this.format = this.cookieService.get('metube_format') || 'any';
-    // Needs to be set or qualities won't automatically be set
-    this.setQualities()
     this.quality = this.cookieService.get('metube_quality') || 'best';
     this.autoStart = this.cookieService.get('metube_auto_start') !== 'false';
     this.splitByChapters = this.cookieService.get('metube_split_chapters') === 'true';
     // Will be set from backend configuration, use empty string as placeholder
     this.chapterTemplate = this.cookieService.get('metube_chapter_template') || '';
-    this.subtitleFormat = this.cookieService.get('metube_subtitle_format') || 'srt';
     this.subtitleLanguage = this.cookieService.get('metube_subtitle_language') || 'en';
     this.subtitleMode = this.cookieService.get('metube_subtitle_mode') || 'prefer_manual';
-    const allowedSubtitleFormats = new Set(this.subtitleFormats.map(fmt => fmt.id));
+    const allowedDownloadTypes = new Set(this.downloadTypes.map(t => t.id));
-    const allowedSubtitleModes = new Set(this.subtitleModes.map(mode => mode.id));
+    const allowedVideoCodecs = new Set(this.videoCodecs.map(c => c.id));
-    if (!allowedSubtitleFormats.has(this.subtitleFormat)) {
+    if (!allowedDownloadTypes.has(this.downloadType)) {
-      this.subtitleFormat = 'srt';
+      this.downloadType = 'video';
     }
+    if (!allowedVideoCodecs.has(this.codec)) {
+      this.codec = 'auto';
+    }
+    const allowedSubtitleModes = new Set(this.subtitleModes.map(mode => mode.id));
     if (!allowedSubtitleModes.has(this.subtitleMode)) {
       this.subtitleMode = 'prefer_manual';
     }
+    this.loadSavedSelections();
+    this.restoreSelection(this.downloadType);
+    this.normalizeSelectionsForType();
+    this.setQualities();
+    this.refreshFormatOptions();
+    this.previousDownloadType = this.downloadType;
+    this.saveSelection(this.downloadType);
     this.sortAscending = this.cookieService.get('metube_sort_ascending') === 'true';
 
     this.activeTheme = this.getPreferredTheme(this.cookieService);
 
     // Subscribe to download updates
-    this.downloads.queueChanged.subscribe(() => {
+    this.downloads.queueChanged.pipe(takeUntilDestroyed(this.destroyRef)).subscribe(() => {
       this.updateMetrics();
+      this.cdr.markForCheck();
     });
-    this.downloads.doneChanged.subscribe(() => {
+    this.downloads.doneChanged.pipe(takeUntilDestroyed(this.destroyRef)).subscribe(() => {
       this.updateMetrics();
       this.rebuildSortedDone();
+      this.cdr.markForCheck();
     });
     // Subscribe to real-time updates
-    this.downloads.updated.subscribe(() => {
+    this.downloads.updated.pipe(takeUntilDestroyed(this.destroyRef)).subscribe(() => {
       this.updateMetrics();
+      this.cdr.markForCheck();
     });
   }
 
   ngOnInit() {
-    this.downloads.getCookieStatus().subscribe(data => {
+    this.downloads.getCookieStatus().pipe(takeUntilDestroyed(this.destroyRef)).subscribe(data => {
-      this.hasCookies = data?.has_cookies || false;
+      this.hasCookies = !!(data && typeof data === 'object' && 'has_cookies' in data && data.has_cookies);
+      this.cdr.markForCheck();
     });
     this.getConfiguration();
     this.getYtdlOptionsUpdateTime();
     this.customDirs$ = this.getMatchingCustomDir();
     this.setTheme(this.activeTheme!);
 
-    window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', () => {
+    this.colorSchemeMediaQuery.addEventListener('change', this.onColorSchemeChanged);
-      if (this.activeTheme && this.activeTheme.id === 'auto') {
-         this.setTheme(this.activeTheme);
-      }
-    });
   }
 
   ngAfterViewInit() {
-    this.downloads.queueChanged.subscribe(() => {
+    this.downloads.queueChanged.pipe(takeUntilDestroyed(this.destroyRef)).subscribe(() => {
       this.queueMasterCheckbox()?.selectionChanged();
+      this.cdr.markForCheck();
     });
-    this.downloads.doneChanged.subscribe(() => {
+    this.downloads.doneChanged.pipe(takeUntilDestroyed(this.destroyRef)).subscribe(() => {
       this.doneMasterCheckbox()?.selectionChanged();
-      let completed = 0, failed = 0;
+      this.updateDoneActionButtons();
-      this.downloads.done.forEach(dl => {
+      this.cdr.markForCheck();
-        if (dl.status === 'finished')
-          completed++;
-        else if (dl.status === 'error')
-          failed++;
-      });
-      this.doneClearCompleted().nativeElement.disabled = completed === 0;
-      this.doneClearFailed().nativeElement.disabled = failed === 0;
-      this.doneRetryFailed().nativeElement.disabled = failed === 0;
     });
+    // Initialize action button states for already-loaded entries.
+    this.updateDoneActionButtons();
     this.fetchVersionInfo();
   }
 
+  ngOnDestroy() {
+    this.colorSchemeMediaQuery.removeEventListener('change', this.onColorSchemeChanged);
+  }
+
   // workaround to allow fetching of Map values in the order they were inserted
   //  https://github.com/angular/angular/issues/31420
     
@@ -253,11 +299,29 @@ export class App implements AfterViewInit, OnInit {
   }
 
   qualityChanged() {
-    this.cookieService.set('metube_quality', this.quality, { expires: 3650 });
+    this.cookieService.set('metube_quality', this.quality, { expires: this.settingsCookieExpiryDays });
+    this.saveSelection(this.downloadType);
     // Re-trigger custom directory change
     this.downloads.customDirsChanged.next(this.downloads.customDirs);
   }
 
+  downloadTypeChanged() {
+    this.saveSelection(this.previousDownloadType);
+    this.restoreSelection(this.downloadType);
+    this.cookieService.set('metube_download_type', this.downloadType, { expires: this.settingsCookieExpiryDays });
+    this.normalizeSelectionsForType(false);
+    this.setQualities();
+    this.refreshFormatOptions();
+    this.saveSelection(this.downloadType);
+    this.previousDownloadType = this.downloadType;
+    this.downloads.customDirsChanged.next(this.downloads.customDirs);
+  }
+
+  codecChanged() {
+    this.cookieService.set('metube_codec', this.codec, { expires: this.settingsCookieExpiryDays });
+    this.saveSelection(this.downloadType);
+  }
+
   showAdvanced() {
     return this.downloads.configuration['CUSTOM_DIRS'];
   }
@@ -270,7 +334,7 @@ export class App implements AfterViewInit, OnInit {
   }
 
   isAudioType() {
-    return this.quality == 'audio' || this.format == 'mp3'  || this.format == 'm4a' || this.format == 'opus' || this.format == 'wav' || this.format == 'flac';
+    return this.downloadType === 'audio';
   }
 
   getMatchingCustomDir() : Observable<string[]> {
@@ -291,7 +355,7 @@ export class App implements AfterViewInit, OnInit {
   }
 
   getYtdlOptionsUpdateTime() {
-    this.downloads.ytdlOptionsChanged.subscribe({
+    this.downloads.ytdlOptionsChanged.pipe(takeUntilDestroyed(this.destroyRef)).subscribe({
        // eslint-disable-next-line @typescript-eslint/no-explicit-any
       next: (data:any) => {
         if (data['success']){
@@ -300,11 +364,12 @@ export class App implements AfterViewInit, OnInit {
         }else{
           alert("Error reload yt-dlp options: "+data['msg']);
         }
+        this.cdr.markForCheck();
       }
     });
   }
   getConfiguration() {
-    this.downloads.configurationChanged.subscribe({
+    this.downloads.configurationChanged.pipe(takeUntilDestroyed(this.destroyRef)).subscribe({
        // eslint-disable-next-line @typescript-eslint/no-explicit-any
       next: (config: any) => {
         const playlistItemLimit = config['DEFAULT_OPTION_PLAYLIST_ITEM_LIMIT'];
@@ -315,6 +380,7 @@ export class App implements AfterViewInit, OnInit {
         if (!this.chapterTemplate) {
           this.chapterTemplate = config['OUTPUT_TEMPLATE_CHAPTER'];
         }
+        this.cdr.markForCheck();
       }
     });
   }
@@ -329,7 +395,7 @@ export class App implements AfterViewInit, OnInit {
   }
 
   themeChanged(theme: Theme) {
-    this.cookieService.set('metube_theme', theme.id, { expires: 3650 });
+    this.cookieService.set('metube_theme', theme.id, { expires: this.settingsCookieExpiryDays });
     this.setTheme(theme);
   }
 
@@ -343,39 +409,68 @@ export class App implements AfterViewInit, OnInit {
   }
 
   formatChanged() {
-    this.cookieService.set('metube_format', this.format, { expires: 3650 });
+    this.cookieService.set('metube_format', this.format, { expires: this.settingsCookieExpiryDays });
-    // Updates to use qualities available
+    this.setQualities();
-    this.setQualities()
+    this.saveSelection(this.downloadType);
     // Re-trigger custom directory change
     this.downloads.customDirsChanged.next(this.downloads.customDirs);
   }
 
   autoStartChanged() {
-    this.cookieService.set('metube_auto_start', this.autoStart ? 'true' : 'false', { expires: 3650 });
+    this.cookieService.set('metube_auto_start', this.autoStart ? 'true' : 'false', { expires: this.settingsCookieExpiryDays });
   }
 
   splitByChaptersChanged() {
-    this.cookieService.set('metube_split_chapters', this.splitByChapters ? 'true' : 'false', { expires: 3650 });
+    this.cookieService.set('metube_split_chapters', this.splitByChapters ? 'true' : 'false', { expires: this.settingsCookieExpiryDays });
   }
 
   chapterTemplateChanged() {
     // Restore default if template is cleared - get from configuration
     if (!this.chapterTemplate || this.chapterTemplate.trim() === '') {
-      this.chapterTemplate = this.downloads.configuration['OUTPUT_TEMPLATE_CHAPTER'];
+      const configuredTemplate = this.downloads.configuration['OUTPUT_TEMPLATE_CHAPTER'];
+      this.chapterTemplate = typeof configuredTemplate === 'string' ? configuredTemplate : '';
     }
-    this.cookieService.set('metube_chapter_template', this.chapterTemplate, { expires: 3650 });
+    this.cookieService.set('metube_chapter_template', this.chapterTemplate, { expires: this.settingsCookieExpiryDays });
-  }
-
-  subtitleFormatChanged() {
-    this.cookieService.set('metube_subtitle_format', this.subtitleFormat, { expires: 3650 });
   }
 
   subtitleLanguageChanged() {
-    this.cookieService.set('metube_subtitle_language', this.subtitleLanguage, { expires: 3650 });
+    this.cookieService.set('metube_subtitle_language', this.subtitleLanguage, { expires: this.settingsCookieExpiryDays });
+    this.saveSelection(this.downloadType);
   }
 
   subtitleModeChanged() {
-    this.cookieService.set('metube_subtitle_mode', this.subtitleMode, { expires: 3650 });
+    this.cookieService.set('metube_subtitle_mode', this.subtitleMode, { expires: this.settingsCookieExpiryDays });
+    this.saveSelection(this.downloadType);
+  }
+
+  isVideoType() {
+    return this.downloadType === 'video';
+  }
+
+  formatQualityLabel(download: Download): string {
+    if (download.download_type === 'captions' || download.download_type === 'thumbnail') {
+      return '-';
+    }
+    const q = download.quality;
+    if (!q) return '';
+    if (/^\d+$/.test(q) && download.download_type === 'audio') return `${q} kbps`;
+    if (/^\d+$/.test(q)) return `${q}p`;
+    return q.charAt(0).toUpperCase() + q.slice(1);
+  }
+
+  downloadTypeLabel(download: Download): string {
+    const type = download.download_type || 'video';
+    return type.charAt(0).toUpperCase() + type.slice(1);
+  }
+
+  formatCodecLabel(download: Download): string {
+    if (download.download_type !== 'video') {
+      const format = (download.format || '').toUpperCase();
+      return format || '-';
+    }
+    const codec = download.codec;
+    if (!codec || codec === 'auto') return 'Auto';
+    return this.videoCodecs.find(c => c.id === codec)?.text ?? codec;
   }
 
   queueSelectionChanged(checked: number) {
@@ -388,53 +483,181 @@ export class App implements AfterViewInit, OnInit {
     this.doneDownloadSelected().nativeElement.disabled = checked == 0;
   }
 
-  setQualities() {
+  private updateDoneActionButtons() {
-    // qualities for specific format
+    let completed = 0;
-    const format = this.formats.find(el => el.id == this.format)
+    let failed = 0;
-    if (format) {
+    this.downloads.done.forEach((download) => {
-      this.qualities = format.qualities
+      const isFailed = download.status === 'error';
-      const exists = this.qualities.find(el => el.id === this.quality)
+      const isCompleted = !isFailed && (
-      this.quality = exists ? this.quality : 'best'
+        download.status === 'finished' ||
+        download.status === 'completed' ||
+        Boolean(download.filename)
+      );
+      if (isCompleted) {
+        completed++;
+      } else if (isFailed) {
+        failed++;
+      }
+    });
+    this.hasCompletedDone = completed > 0;
+    this.hasFailedDone = failed > 0;
   }
-}
 
-  addDownload(
+  setQualities() {
-    url?: string,
+    if (this.downloadType === 'video') {
-    quality?: string,
+      this.qualities = this.format === 'ios'
-    format?: string,
+        ? [{ id: 'best', text: 'Best' }]
-    folder?: string,
+        : VIDEO_QUALITIES;
-    customNamePrefix?: string,
+    } else if (this.downloadType === 'audio') {
-    playlistItemLimit?: number,
+      const selectedFormat = this.audioFormats.find(el => el.id === this.format);
-    autoStart?: boolean,
+      this.qualities = selectedFormat ? selectedFormat.qualities : [{ id: 'best', text: 'Best' }];
-    splitByChapters?: boolean,
+    } else {
-    chapterTemplate?: string,
+      this.qualities = [{ id: 'best', text: 'Best' }];
-    subtitleFormat?: string,
+    }
-    subtitleLanguage?: string,
+    const exists = this.qualities.find(el => el.id === this.quality);
-    subtitleMode?: string,
+    this.quality = exists ? this.quality : 'best';
-  ) {
+  }
-    url = url ?? this.addUrl
+
-    quality = quality ?? this.quality
+  refreshFormatOptions() {
-    format = format ?? this.format
+    if (this.downloadType === 'video') {
-    folder = folder ?? this.folder
+      this.formatOptions = this.videoFormats;
-    customNamePrefix = customNamePrefix ?? this.customNamePrefix
+      return;
-    playlistItemLimit = playlistItemLimit ?? this.playlistItemLimit
+    }
-    autoStart = autoStart ?? this.autoStart
+    if (this.downloadType === 'audio') {
-    splitByChapters = splitByChapters ?? this.splitByChapters
+      this.formatOptions = this.audioFormats;
-    chapterTemplate = chapterTemplate ?? this.chapterTemplate
+      return;
-    subtitleFormat = subtitleFormat ?? this.subtitleFormat
+    }
-    subtitleLanguage = subtitleLanguage ?? this.subtitleLanguage
+    if (this.downloadType === 'captions') {
-    subtitleMode = subtitleMode ?? this.subtitleMode
+      this.formatOptions = this.captionFormats;
+      return;
+    }
+    this.formatOptions = this.thumbnailFormats;
+  }
+
+  showCodecSelector() {
+    return this.downloadType === 'video';
+  }
+
+  showFormatSelector() {
+    return this.downloadType !== 'thumbnail';
+  }
+
+  showQualitySelector() {
+    if (this.downloadType === 'video') {
+      return this.format !== 'ios';
+    }
+    return this.downloadType === 'audio';
+  }
+
+  private normalizeSelectionsForType(resetForTypeChange = false) {
+    if (this.downloadType === 'video') {
+      const allowedFormats = new Set(this.videoFormats.map(f => f.id));
+      if (resetForTypeChange || !allowedFormats.has(this.format)) {
+        this.format = 'any';
+      }
+      const allowedCodecs = new Set(this.videoCodecs.map(c => c.id));
+      if (resetForTypeChange || !allowedCodecs.has(this.codec)) {
+        this.codec = 'auto';
+      }
+    } else if (this.downloadType === 'audio') {
+      const allowedFormats = new Set(this.audioFormats.map(f => f.id));
+      if (resetForTypeChange || !allowedFormats.has(this.format)) {
+        this.format = this.audioFormats[0].id;
+      }
+    } else if (this.downloadType === 'captions') {
+      const allowedFormats = new Set(this.captionFormats.map(f => f.id));
+      if (resetForTypeChange || !allowedFormats.has(this.format)) {
+        this.format = 'srt';
+      }
+      this.quality = 'best';
+    } else {
+      this.format = 'jpg';
+      this.quality = 'best';
+    }
+    this.cookieService.set('metube_format', this.format, { expires: this.settingsCookieExpiryDays });
+    this.cookieService.set('metube_codec', this.codec, { expires: this.settingsCookieExpiryDays });
+  }
+
+  private saveSelection(type: string) {
+    if (!type) return;
+    const selection = {
+      codec: this.codec,
+      format: this.format,
+      quality: this.quality,
+      subtitleLanguage: this.subtitleLanguage,
+      subtitleMode: this.subtitleMode,
+    };
+    this.selectionsByType[type] = selection;
+    this.cookieService.set(
+      this.selectionCookiePrefix + type,
+      JSON.stringify(selection),
+      { expires: this.settingsCookieExpiryDays }
+    );
+  }
+
+  private restoreSelection(type: string) {
+    const saved = this.selectionsByType[type];
+    if (!saved) return;
+    this.codec = saved.codec;
+    this.format = saved.format;
+    this.quality = saved.quality;
+    this.subtitleLanguage = saved.subtitleLanguage;
+    this.subtitleMode = saved.subtitleMode;
+  }
+
+  private loadSavedSelections() {
+    for (const type of this.downloadTypes.map(t => t.id)) {
+      const key = this.selectionCookiePrefix + type;
+      if (!this.cookieService.check(key)) continue;
+      try {
+        const raw = this.cookieService.get(key);
+        const parsed = JSON.parse(raw);
+        if (parsed && typeof parsed === 'object') {
+          this.selectionsByType[type] = {
+            codec: String(parsed.codec ?? 'auto'),
+            format: String(parsed.format ?? ''),
+            quality: String(parsed.quality ?? 'best'),
+            subtitleLanguage: String(parsed.subtitleLanguage ?? 'en'),
+            subtitleMode: String(parsed.subtitleMode ?? 'prefer_manual'),
+          };
+        }
+      } catch {
+        // Ignore malformed cookie values.
+      }
+    }
+  }
+
+  private buildAddPayload(overrides: Partial<AddDownloadPayload> = {}): AddDownloadPayload {
+    return {
+      url: overrides.url ?? this.addUrl,
+      downloadType: overrides.downloadType ?? this.downloadType,
+      codec: overrides.codec ?? this.codec,
+      quality: overrides.quality ?? this.quality,
+      format: overrides.format ?? this.format,
+      folder: overrides.folder ?? this.folder,
+      customNamePrefix: overrides.customNamePrefix ?? this.customNamePrefix,
+      playlistItemLimit: overrides.playlistItemLimit ?? this.playlistItemLimit,
+      autoStart: overrides.autoStart ?? this.autoStart,
+      splitByChapters: overrides.splitByChapters ?? this.splitByChapters,
+      chapterTemplate: overrides.chapterTemplate ?? this.chapterTemplate,
+      subtitleLanguage: overrides.subtitleLanguage ?? this.subtitleLanguage,
+      subtitleMode: overrides.subtitleMode ?? this.subtitleMode,
+    };
+  }
+
+  addDownload(overrides: Partial<AddDownloadPayload> = {}) {
+    const payload = this.buildAddPayload(overrides);
 
     // Validate chapter template if chapter splitting is enabled
-    if (splitByChapters && !chapterTemplate.includes('%(section_number)')) {
+    if (payload.splitByChapters && !payload.chapterTemplate.includes('%(section_number)')) {
       alert('Chapter template must include %(section_number)');
       return;
     }
 
-    console.debug('Downloading: url=' + url + ' quality=' + quality + ' format=' + format + ' folder=' + folder + ' customNamePrefix=' + customNamePrefix + ' playlistItemLimit=' + playlistItemLimit + ' autoStart=' + autoStart + ' splitByChapters=' + splitByChapters + ' chapterTemplate=' + chapterTemplate + ' subtitleFormat=' + subtitleFormat + ' subtitleLanguage=' + subtitleLanguage + ' subtitleMode=' + subtitleMode);
+    console.debug('Downloading:', payload);
     this.addInProgress = true;
     this.cancelRequested = false;
-    this.downloads.add(url, quality, format, folder, customNamePrefix, playlistItemLimit, autoStart, splitByChapters, chapterTemplate, subtitleFormat, subtitleLanguage, subtitleMode).subscribe((status: Status) => {
+    this.downloads.add(payload).subscribe((status: Status) => {
       if (status.status === 'error' && !this.cancelRequested) {
         alert(`Error adding URL: ${status.msg}`);
       } else if (status.status !== 'error') {
@@ -459,20 +682,21 @@ export class App implements AfterViewInit, OnInit {
   }
 
   retryDownload(key: string, download: Download) {
-    this.addDownload(
+    this.addDownload({
-      download.url,
+      url: download.url,
-      download.quality,
+      downloadType: download.download_type,
-      download.format,
+      codec: download.codec,
-      download.folder,
+      quality: download.quality,
-      download.custom_name_prefix,
+      format: download.format,
-      download.playlist_item_limit,
+      folder: download.folder,
-      true,
+      customNamePrefix: download.custom_name_prefix,
-      download.split_by_chapters,
+      playlistItemLimit: download.playlist_item_limit,
-      download.chapter_template,
+      autoStart: true,
-      download.subtitle_format,
+      splitByChapters: download.split_by_chapters,
-      download.subtitle_language,
+      chapterTemplate: download.chapter_template,
-      download.subtitle_mode,
+      subtitleLanguage: download.subtitle_language,
-    );
+      subtitleMode: download.subtitle_mode,
+    });
     this.downloads.delById('done', [key]).subscribe();
   }
 
@@ -521,12 +745,12 @@ export class App implements AfterViewInit, OnInit {
 
   buildDownloadLink(download: Download) {
     let baseDir = this.downloads.configuration["PUBLIC_HOST_URL"];
-    if (download.quality == 'audio' || download.filename.endsWith('.mp3')) {
+    if (download.download_type === 'audio' || download.filename.endsWith('.mp3')) {
       baseDir = this.downloads.configuration["PUBLIC_HOST_AUDIO_URL"];
     }
 
     if (download.folder) {
-      baseDir += download.folder + '/';
+      baseDir += this.encodeFolderPath(download.folder);
     }
 
     return baseDir + encodeURIComponent(download.filename);
@@ -545,17 +769,25 @@ export class App implements AfterViewInit, OnInit {
 
   buildChapterDownloadLink(download: Download, chapterFilename: string) {
     let baseDir = this.downloads.configuration["PUBLIC_HOST_URL"];
-    if (download.quality == 'audio' || chapterFilename.endsWith('.mp3')) {
+    if (download.download_type === 'audio' || chapterFilename.endsWith('.mp3')) {
       baseDir = this.downloads.configuration["PUBLIC_HOST_AUDIO_URL"];
     }
 
     if (download.folder) {
-      baseDir += download.folder + '/';
+      baseDir += this.encodeFolderPath(download.folder);
     }
 
     return baseDir + encodeURIComponent(chapterFilename);
   }
 
+  private encodeFolderPath(folder: string): string {
+    return folder
+      .split('/')
+      .filter(segment => segment.length > 0)
+      .map(segment => encodeURIComponent(segment))
+      .join('/') + '/';
+  }
+
   getChapterFileName(filepath: string) {
     // Extract just the filename from the path
     const parts = filepath.split('/');
@@ -563,8 +795,12 @@ export class App implements AfterViewInit, OnInit {
   }
 
   isNumber(event: KeyboardEvent) {
-    const charCode = +event.code || event.keyCode;
+    const allowedControlKeys = ['Backspace', 'Delete', 'ArrowLeft', 'ArrowRight', 'Tab', 'Home', 'End'];
-    if (charCode > 31 && (charCode  < 48 || charCode > 57)) {
+    if (allowedControlKeys.includes(event.key)) {
+      return;
+    }
+
+    if (!/^[0-9]$/.test(event.key)) {
       event.preventDefault();
     }
   }
@@ -576,16 +812,24 @@ export class App implements AfterViewInit, OnInit {
 
   // Open the Batch Import modal
   openBatchImportModal(): void {
+    this.lastFocusedElement = document.activeElement instanceof HTMLElement ? document.activeElement : null;
     this.batchImportModalOpen = true;
     this.batchImportText = '';
     this.batchImportStatus = '';
     this.importInProgress = false;
     this.cancelImportFlag = false;
+    setTimeout(() => {
+      const textarea = document.getElementById('batch-import-textarea');
+      if (textarea instanceof HTMLTextAreaElement) {
+        textarea.focus();
+      }
+    }, 0);
   }
 
   // Close the Batch Import modal
   closeBatchImportModal(): void {
     this.batchImportModalOpen = false;
+    this.lastFocusedElement?.focus();
   }
 
   // Start importing URLs from the batch modal textarea
@@ -616,10 +860,8 @@ export class App implements AfterViewInit, OnInit {
       }
       const url = urls[index];
       this.batchImportStatus = `Importing URL ${index + 1} of ${urls.length}: ${url}`;
-      // Now pass the selected quality, format, folder, etc. to the add() method
+      // Pass current selection options to backend
-      this.downloads.add(url, this.quality, this.format, this.folder, this.customNamePrefix,
+      this.downloads.add(this.buildAddPayload({ url }))
-        this.playlistItemLimit, this.autoStart, this.splitByChapters, this.chapterTemplate,
-        this.subtitleFormat, this.subtitleLanguage, this.subtitleMode)
         .subscribe({
           next: (status: Status) => {
             if (status.status === 'error') {
@@ -728,7 +970,7 @@ export class App implements AfterViewInit, OnInit {
 
   toggleSortOrder() {
     this.sortAscending = !this.sortAscending;
-    this.cookieService.set('metube_sort_ascending', this.sortAscending ? 'true' : 'false', { expires: 3650 });
+    this.cookieService.set('metube_sort_ascending', this.sortAscending ? 'true' : 'false', { expires: this.settingsCookieExpiryDays });
     this.rebuildSortedDone();
   }
 
@@ -852,20 +1094,40 @@ export class App implements AfterViewInit, OnInit {
 
   private refreshCookieStatus() {
     this.downloads.getCookieStatus().subscribe(data => {
-      this.hasCookies = data?.has_cookies || false;
+      this.hasCookies = !!(data && typeof data === 'object' && 'has_cookies' in data && data.has_cookies);
     });
   }
 
   private updateMetrics() {
-    this.activeDownloads = Array.from(this.downloads.queue.values()).filter(d => d.status === 'downloading' || d.status === 'preparing').length;
+    let active = 0;
-    this.queuedDownloads = Array.from(this.downloads.queue.values()).filter(d => d.status === 'pending').length;
+    let queued = 0;
-    this.completedDownloads = Array.from(this.downloads.done.values()).filter(d => d.status === 'finished').length;
+    let completed = 0;
-    this.failedDownloads = Array.from(this.downloads.done.values()).filter(d => d.status === 'error').length;
+    let failed = 0;
-    
+    let speed = 0;
-    // Calculate total speed from downloading items
+
-    const downloadingItems = Array.from(this.downloads.queue.values())
+    this.downloads.queue.forEach((download) => {
-      .filter(d => d.status === 'downloading');
+      if (download.status === 'downloading') {
-    
+        active++;
-    this.totalSpeed = downloadingItems.reduce((total, item) => total + (item.speed || 0), 0);
+        speed += download.speed || 0;
+      } else if (download.status === 'preparing') {
+        active++;
+      } else if (download.status === 'pending') {
+        queued++;
+      }
+    });
+
+    this.downloads.done.forEach((download) => {
+      if (download.status === 'finished') {
+        completed++;
+      } else if (download.status === 'error') {
+        failed++;
+      }
+    });
+
+    this.activeDownloads = active;
+    this.queuedDownloads = queued;
+    this.completedDownloads = completed;
+    this.failedDownloads = failed;
+    this.totalSpeed = speed;
   }
 }

ui/src/app/components/index.ts

@@ -1,2 +1,2 @@
-export { MasterCheckboxComponent } from './master-checkbox.component';
+export { SelectAllCheckboxComponent } from './master-checkbox.component';
-export { SlaveCheckboxComponent } from './slave-checkbox.component';
+export { ItemCheckboxComponent } from './slave-checkbox.component';

ui/src/app/components/master-checkbox.component.ts

@@ -3,18 +3,18 @@ import { Checkable } from "../interfaces";
 import { FormsModule } from "@angular/forms";
 
 @Component({
-    selector: 'app-master-checkbox',
+    selector: 'app-select-all-checkbox',
     template: `
   <div class="form-check">
-    <input type="checkbox" class="form-check-input" id="{{id()}}-select-all" #masterCheckbox [(ngModel)]="selected" (change)="clicked()">
+    <input type="checkbox" class="form-check-input" id="{{id()}}-select-all" #masterCheckbox [(ngModel)]="selected" (change)="clicked()" [attr.aria-label]="'Select all ' + id() + ' items'">
-    <label class="form-check-label" for="{{id()}}-select-all"></label>
+    <label class="form-check-label visually-hidden" for="{{id()}}-select-all">Select all</label>
   </div>
 `,
 imports: [
   FormsModule
 ]
 })
-export class MasterCheckboxComponent {
+export class SelectAllCheckboxComponent {
   readonly id = input.required<string>();
   readonly list = input.required<Map<string, Checkable>>();
   readonly changed = output<number>();

ui/src/app/components/slave-checkbox.component.ts

@@ -1,22 +1,22 @@
 import { Component, input } from '@angular/core';
-import { MasterCheckboxComponent } from './master-checkbox.component';
+import { SelectAllCheckboxComponent } from './master-checkbox.component';
 import { Checkable } from '../interfaces';
 import { FormsModule } from '@angular/forms';
 
 @Component({
-    selector: 'app-slave-checkbox',
+    selector: 'app-item-checkbox',
     template: `
   <div class="form-check">
-    <input type="checkbox" class="form-check-input" id="{{master().id()}}-{{id()}}-select" [(ngModel)]="checkable().checked" (change)="master().selectionChanged()">
+    <input type="checkbox" class="form-check-input" id="{{master().id()}}-{{id()}}-select" [(ngModel)]="checkable().checked" (change)="master().selectionChanged()" [attr.aria-label]="'Select item ' + id()">
-    <label class="form-check-label" for="{{master().id()}}-{{id()}}-select"></label>
+    <label class="form-check-label visually-hidden" for="{{master().id()}}-{{id()}}-select">Select item</label>
   </div>
 `,
 imports: [  
   FormsModule
 ]
 })
-export class SlaveCheckboxComponent {
+export class ItemCheckboxComponent {
   readonly id = input.required<string>();
-  readonly master = input.required<MasterCheckboxComponent>();
+  readonly master = input.required<SelectAllCheckboxComponent>();
   readonly checkable = input.required<Checkable>();
 }

ui/src/app/interfaces/download.ts

@@ -3,6 +3,8 @@ export interface Download {
   id: string;
   title: string;
   url: string;
+  download_type: string;
+  codec?: string;
   quality: string;
   format: string;
   folder: string;
@@ -10,7 +12,6 @@ export interface Download {
   playlist_item_limit: number;
   split_by_chapters?: boolean;
   chapter_template?: string;
-  subtitle_format?: string;
   subtitle_language?: string;
   subtitle_mode?: string;
   status: string;
@@ -20,8 +21,9 @@ export interface Download {
   eta: number;
   filename: string;
   checked: boolean;
+  timestamp?: number;
   size?: number;
   error?: string;
   deleting?: boolean;
-  chapter_files?: Array<{ filename: string, size: number }>;
+  chapter_files?: { filename: string, size: number }[];
 }

ui/src/app/interfaces/formats.ts

@@ -1,81 +1,77 @@
-import { Format } from "./format";
+import { Quality } from "./quality";
 
+export interface Option {
+  id: string;
+  text: string;
+}
 
-export const Formats: Format[] = [
+export interface AudioFormatOption extends Option {
-  {
+  qualities: Quality[];
-    id: 'any',
+}
-    text: 'Any',
+
-    qualities: [
+export const DOWNLOAD_TYPES: Option[] = [
-      { id: 'best', text: 'Best' },
+  { id: "video", text: "Video" },
-      { id: '2160', text: '2160p' },
+  { id: "audio", text: "Audio" },
-      { id: '1440', text: '1440p' },
+  { id: "captions", text: "Captions" },
-      { id: '1080', text: '1080p' },
+  { id: "thumbnail", text: "Thumbnail" },
-      { id: '720', text: '720p' },
-      { id: '480', text: '480p' },
-      { id: '360', text: '360p' },
-      { id: '240', text: '240p' },
-      { id: 'worst', text: 'Worst' },
-      { id: 'audio', text: 'Audio Only' },
-    ],
-  },
-  {
-    id: 'mp4',
-    text: 'MP4',
-    qualities: [
-      { id: 'best', text: 'Best' },
-      { id: 'best_ios', text: 'Best (iOS)' },
-      { id: '2160', text: '2160p' },
-      { id: '1440', text: '1440p' },
-      { id: '1080', text: '1080p' },
-      { id: '720', text: '720p' },
-      { id: '480', text: '480p' },
-      { id: '360', text: '360p' },
-      { id: '240', text: '240p' },
-      { id: 'worst', text: 'Worst' },
-    ],
-  },
-  {
-    id: 'm4a',
-    text: 'M4A',
-    qualities: [
-      { id: 'best', text: 'Best' },
-      { id: '192', text: '192 kbps' },
-      { id: '128', text: '128 kbps' },
-    ],
-  },
-  {
-    id: 'mp3',
-    text: 'MP3',
-    qualities: [
-      { id: 'best', text: 'Best' },
-      { id: '320', text: '320 kbps' },
-      { id: '192', text: '192 kbps' },
-      { id: '128', text: '128 kbps' },
-    ],
-  },
-  {
-    id: 'opus',
-    text: 'OPUS',
-    qualities: [{ id: 'best', text: 'Best' }],
-  },
-  {
-    id: 'wav',
-    text: 'WAV',
-    qualities: [{ id: 'best', text: 'Best' }],
-  },
-  {
-    id: 'flac',
-    text: 'FLAC',
-    qualities: [{ id: 'best', text: 'Best' }],
-  },
-  {
-    id: 'thumbnail',
-    text: 'Thumbnail',
-    qualities: [{ id: 'best', text: 'Best' }],
-  },
-  {
-    id: 'captions',
-    text: 'Captions',
-    qualities: [{ id: 'best', text: 'Best' }],
-  },
 ];
+
+export const VIDEO_CODECS: Option[] = [
+  { id: "auto", text: "Auto" },
+  { id: "h264", text: "H.264" },
+  { id: "h265", text: "H.265 (HEVC)" },
+  { id: "av1", text: "AV1" },
+  { id: "vp9", text: "VP9" },
+];
+
+export const VIDEO_FORMATS: Option[] = [
+  { id: "any", text: "Auto" },
+  { id: "mp4", text: "MP4" },
+  { id: "ios", text: "iOS Compatible" },
+];
+
+export const VIDEO_QUALITIES: Quality[] = [
+  { id: "best", text: "Best" },
+  { id: "2160", text: "2160p" },
+  { id: "1440", text: "1440p" },
+  { id: "1080", text: "1080p" },
+  { id: "720", text: "720p" },
+  { id: "480", text: "480p" },
+  { id: "360", text: "360p" },
+  { id: "240", text: "240p" },
+  { id: "worst", text: "Worst" },
+];
+
+export const AUDIO_FORMATS: AudioFormatOption[] = [
+  {
+    id: "m4a",
+    text: "M4A",
+    qualities: [
+      { id: "best", text: "Best" },
+      { id: "192", text: "192 kbps" },
+      { id: "128", text: "128 kbps" },
+    ],
+  },
+  {
+    id: "mp3",
+    text: "MP3",
+    qualities: [
+      { id: "best", text: "Best" },
+      { id: "320", text: "320 kbps" },
+      { id: "192", text: "192 kbps" },
+      { id: "128", text: "128 kbps" },
+    ],
+  },
+  { id: "opus", text: "OPUS", qualities: [{ id: "best", text: "Best" }] },
+  { id: "wav", text: "WAV", qualities: [{ id: "best", text: "Best" }] },
+  { id: "flac", text: "FLAC", qualities: [{ id: "best", text: "Best" }] },
+];
+
+export const CAPTION_FORMATS: Option[] = [
+  { id: "srt", text: "SRT" },
+  { id: "txt", text: "TXT (Text only)" },
+  { id: "vtt", text: "VTT" },
+  { id: "ttml", text: "TTML" },
+];
+
+export const THUMBNAIL_FORMATS: Option[] = [{ id: "jpg", text: "JPG" }];

ui/src/app/pipes/speed.pipe.spec.ts

@@ -0,0 +1,15 @@
+import { SpeedPipe } from './speed.pipe';
+
+describe('SpeedPipe', () => {
+  it('returns empty string for non-positive speed values', () => {
+    const pipe = new SpeedPipe();
+    expect(pipe.transform(0)).toBe('');
+    expect(pipe.transform(-1)).toBe('');
+  });
+
+  it('formats bytes per second values', () => {
+    const pipe = new SpeedPipe();
+    expect(pipe.transform(1024)).toBe('1 KB/s');
+    expect(pipe.transform(1536)).toBe('1.5 KB/s');
+  });
+});

ui/src/app/pipes/speed.pipe.ts

@@ -1,43 +1,19 @@
 import { Pipe, PipeTransform } from "@angular/core";
-import { BehaviorSubject, throttleTime } from "rxjs";
 
 @Pipe({
     name: 'speed',
-    pure: false // Make the pipe impure so it can handle async updates
+    pure: true
 })
 export class SpeedPipe implements PipeTransform {
-  private speedSubject = new BehaviorSubject<number>(0);
-  private formattedSpeed = '';
-
-  constructor() {
-    // Throttle updates to once per second
-    this.speedSubject.pipe(
-      throttleTime(1000)
-    ).subscribe(speed => {
-      // If speed is invalid or 0, return empty string
-      if (speed === null || speed === undefined || isNaN(speed) || speed <= 0) {
-        this.formattedSpeed = '';
-        return;
-      }
-      
-      const k = 1024;
-      const dm = 2;
-      const sizes = ['B/s', 'KB/s', 'MB/s', 'GB/s', 'TB/s', 'PB/s', 'EB/s', 'ZB/s', 'YB/s'];
-      const i = Math.floor(Math.log(speed) / Math.log(k));
-      this.formattedSpeed = parseFloat((speed / Math.pow(k, i)).toFixed(dm)) + ' ' + sizes[i];
-    });
-  }
-
   transform(value: number): string {
-    // If speed is invalid or 0, return empty string
     if (value === null || value === undefined || isNaN(value) || value <= 0) {
       return '';
     }
-    
+
-    // Update the speed subject
+    const k = 1024;
-    this.speedSubject.next(value);
+    const decimals = 2;
-    
+    const sizes = ['B/s', 'KB/s', 'MB/s', 'GB/s', 'TB/s', 'PB/s', 'EB/s', 'ZB/s', 'YB/s'];
-    // Return the last formatted speed
+    const i = Math.floor(Math.log(value) / Math.log(k));
-    return this.formattedSpeed;
+    return `${parseFloat((value / Math.pow(k, i)).toFixed(decimals))} ${sizes[i]}`;
   }
 }

ui/src/app/services/downloads.service.ts

@@ -5,6 +5,22 @@ import { catchError } from 'rxjs/operators';
 import { MeTubeSocket } from './metube-socket.service';
 import { Download, Status, State } from '../interfaces';
 import { takeUntilDestroyed } from '@angular/core/rxjs-interop';
+
+export interface AddDownloadPayload {
+  url: string;
+  downloadType: string;
+  codec: string;
+  quality: string;
+  format: string;
+  folder: string;
+  customNamePrefix: string;
+  playlistItemLimit: number;
+  autoStart: boolean;
+  splitByChapters: boolean;
+  chapterTemplate: string;
+  subtitleLanguage: string;
+  subtitleMode: string;
+}
 @Injectable({
   providedIn: 'root'
 })
@@ -14,16 +30,15 @@ export class DownloadsService {
   loading = true;
   queue = new Map<string, Download>();
   done = new Map<string, Download>();
-  queueChanged = new Subject();
+  queueChanged = new Subject<void>();
-  doneChanged = new Subject();
+  doneChanged = new Subject<void>();
-  customDirsChanged = new Subject();
+  customDirsChanged = new Subject<Record<string, string[]>>();
-  ytdlOptionsChanged = new Subject();
+  ytdlOptionsChanged = new Subject<Record<string, unknown>>();
-  configurationChanged = new Subject();
+  configurationChanged = new Subject<Record<string, unknown>>();
-  updated = new Subject();
+  updated = new Subject<void>();
 
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  configuration: Record<string, unknown> = {};
-  configuration: any = {};
+  customDirs: Record<string, string[]> = {};
-  customDirs = {};
 
   constructor() {
     this.socket.fromEvent('all')
@@ -35,15 +50,15 @@ export class DownloadsService {
       data[0].forEach(entry => this.queue.set(...entry));
       this.done.clear();
       data[1].forEach(entry => this.done.set(...entry));
-      this.queueChanged.next(null);
+      this.queueChanged.next();
-      this.doneChanged.next(null);
+      this.doneChanged.next();
     });
     this.socket.fromEvent('added')
     .pipe(takeUntilDestroyed())
     .subscribe((strdata: string) => {
       const data: Download = JSON.parse(strdata);
       this.queue.set(data.url, data);
-      this.queueChanged.next(null);
+      this.queueChanged.next();
     });
     this.socket.fromEvent('updated')
     .pipe(takeUntilDestroyed())
@@ -53,7 +68,7 @@ export class DownloadsService {
       data.checked = !!dl?.checked;
       data.deleting = !!dl?.deleting;
       this.queue.set(data.url, data);
-      this.updated.next(null);
+      this.updated.next();
     });
     this.socket.fromEvent('completed')
     .pipe(takeUntilDestroyed())
@@ -61,22 +76,22 @@ export class DownloadsService {
       const data: Download = JSON.parse(strdata);
       this.queue.delete(data.url);
       this.done.set(data.url, data);
-      this.queueChanged.next(null);
+      this.queueChanged.next();
-      this.doneChanged.next(null);
+      this.doneChanged.next();
     });
     this.socket.fromEvent('canceled')
     .pipe(takeUntilDestroyed())
     .subscribe((strdata: string) => {
       const data: string = JSON.parse(strdata);
       this.queue.delete(data);
-      this.queueChanged.next(null);
+      this.queueChanged.next();
     });
     this.socket.fromEvent('cleared')
     .pipe(takeUntilDestroyed())
     .subscribe((strdata: string) => {
       const data: string = JSON.parse(strdata);
       this.done.delete(data);
-      this.doneChanged.next(null);
+      this.doneChanged.next();
     });
     this.socket.fromEvent('configuration')
     .pipe(takeUntilDestroyed())
@@ -103,37 +118,29 @@ export class DownloadsService {
   }
 
   handleHTTPError(error: HttpErrorResponse) {
-    const msg = error.error instanceof ErrorEvent ? error.error.message : error.error;
+    const msg = error.error instanceof ErrorEvent
-    return of({status: 'error', msg: msg})
+      ? error.error.message
+      : (typeof error.error === 'string'
+          ? error.error
+          : (error.error?.msg || error.message || 'Request failed'));
+    return of({ status: 'error', msg });
   }
 
-  public add(
+  public add(payload: AddDownloadPayload) {
-    url: string,
-    quality: string,
-    format: string,
-    folder: string,
-    customNamePrefix: string,
-    playlistItemLimit: number,
-    autoStart: boolean,
-    splitByChapters: boolean,
-    chapterTemplate: string,
-    subtitleFormat: string,
-    subtitleLanguage: string,
-    subtitleMode: string,
-  ) {
     return this.http.post<Status>('add', {
-      url: url,
+      url: payload.url,
-      quality: quality,
+      download_type: payload.downloadType,
-      format: format,
+      codec: payload.codec,
-      folder: folder,
+      quality: payload.quality,
-      custom_name_prefix: customNamePrefix,
+      format: payload.format,
-      playlist_item_limit: playlistItemLimit,
+      folder: payload.folder,
-      auto_start: autoStart,
+      custom_name_prefix: payload.customNamePrefix,
-      split_by_chapters: splitByChapters,
+      playlist_item_limit: payload.playlistItemLimit,
-      chapter_template: chapterTemplate,
+      auto_start: payload.autoStart,
-      subtitle_format: subtitleFormat,
+      split_by_chapters: payload.splitByChapters,
-      subtitle_language: subtitleLanguage,
+      chapter_template: payload.chapterTemplate,
-      subtitle_mode: subtitleMode
+      subtitle_language: payload.subtitleLanguage,
+      subtitle_mode: payload.subtitleMode,
     }).pipe(
       catchError(this.handleHTTPError)
     );
@@ -167,47 +174,6 @@ export class DownloadsService {
     this[where].forEach((dl: Download) => { if (filter(dl)) ids.push(dl.url) });
     return this.delById(where, ids);
   }
-  public addDownloadByUrl(url: string): Promise<{
-    response: Status} | {
-    status: string;
-    msg?: string;
-  }> {
-    const defaultQuality = 'best';
-    const defaultFormat = 'mp4';
-    const defaultFolder = ''; 
-    const defaultCustomNamePrefix = '';
-    const defaultPlaylistItemLimit = 0;
-    const defaultAutoStart = true;
-    const defaultSplitByChapters = false;
-    const defaultChapterTemplate = this.configuration['OUTPUT_TEMPLATE_CHAPTER'];
-    const defaultSubtitleFormat = 'srt';
-    const defaultSubtitleLanguage = 'en';
-    const defaultSubtitleMode = 'prefer_manual';
-
-    return new Promise((resolve, reject) => {
-      this.add(
-        url,
-        defaultQuality,
-        defaultFormat,
-        defaultFolder,
-        defaultCustomNamePrefix,
-        defaultPlaylistItemLimit,
-        defaultAutoStart,
-        defaultSplitByChapters,
-        defaultChapterTemplate,
-        defaultSubtitleFormat,
-        defaultSubtitleLanguage,
-        defaultSubtitleMode,
-      )
-        .subscribe({
-          next: (response) => resolve(response),
-          error: (error) => reject(error)
-        });
-    });
-  }
-  public exportQueueUrls(): string[] {
-    return Array.from(this.queue.values()).map(download => download.url);
-  }
   public cancelAdd() {
     return this.http.post<Status>('cancel-add', {}).pipe(
       catchError(this.handleHTTPError)
@@ -217,19 +183,19 @@ export class DownloadsService {
   uploadCookies(file: File) {
     const formData = new FormData();
     formData.append('cookies', file);
-    return this.http.post<any>('upload-cookies', formData).pipe(
+    return this.http.post<{ status: string; msg?: string }>('upload-cookies', formData).pipe(
       catchError(this.handleHTTPError)
     );
   }
 
   deleteCookies() {
-    return this.http.post<any>('delete-cookies', {}).pipe(
+    return this.http.post<{ status: string; msg?: string }>('delete-cookies', {}).pipe(
       catchError(this.handleHTTPError)
     );
   }
 
   getCookieStatus() {
-    return this.http.get<any>('cookie-status').pipe(
+    return this.http.get<{ status: string; has_cookies: boolean }>('cookie-status').pipe(
       catchError(this.handleHTTPError)
     );
   }

ui/src/app/services/index.ts

@@ -1,3 +1,2 @@
 export { DownloadsService } from './downloads.service';
-export { SpeedService } from './speed.service';
 export { MeTubeSocket } from './metube-socket.service';

ui/src/app/services/speed.service.ts

@@ -1,39 +0,0 @@
-import { Injectable } from '@angular/core';
-import { BehaviorSubject, Observable, interval } from 'rxjs';
-import { map } from 'rxjs/operators';
-
-@Injectable({
-  providedIn: 'root'
-})
-export class SpeedService {
-  private speedBuffer = new BehaviorSubject<number[]>([]);
-  private readonly BUFFER_SIZE = 10; // Keep last 10 measurements (1 second at 100ms intervals)
-
-  // Observable that emits the mean speed every second
-  public meanSpeed$: Observable<number>;
-
-  constructor() {
-    // Calculate mean speed every second
-    this.meanSpeed$ = interval(1000).pipe(
-      map(() => {
-        const speeds = this.speedBuffer.value;
-        if (speeds.length === 0) return 0;
-        return speeds.reduce((sum, speed) => sum + speed, 0) / speeds.length;
-      })
-    );
-  }
-
-  // Add a new speed measurement
-  public addSpeedMeasurement(speed: number) {
-    const currentBuffer = this.speedBuffer.value;
-    const newBuffer = [...currentBuffer, speed].slice(-this.BUFFER_SIZE);
-    this.speedBuffer.next(newBuffer);
-  }
-
-  // Get the current mean speed
-  public getCurrentMeanSpeed(): number {
-    const speeds = this.speedBuffer.value;
-    if (speeds.length === 0) return 0;
-    return speeds.reduce((sum, speed) => sum + speed, 0) / speeds.length;
-  }
-} 

ui/src/styles.sass

@@ -5,3 +5,22 @@
 
     [data-bs-theme="dark"] &
         background-color: var(--bs-dark-bg-subtle) !important
+
+.ng-select
+    flex: 1
+
+    .ng-select-container
+        min-height: 38px
+
+    .ng-value
+        white-space: nowrap
+        overflow: visible
+
+    .ng-dropdown-panel
+        .ng-dropdown-panel-items
+            max-height: 300px
+
+            .ng-option
+                white-space: nowrap
+                overflow: visible
+                text-overflow: ellipsis

uv.lock

@@ -160,18 +160,23 @@ wheels = [
 
 [[package]]
 name = "brotlicffi"
-version = "1.2.0.0"
+version = "1.2.0.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "cffi" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/84/85/57c314a6b35336efbbdc13e5fc9ae13f6b60a0647cfa7c1221178ac6d8ae/brotlicffi-1.2.0.0.tar.gz", hash = "sha256:34345d8d1f9d534fcac2249e57a4c3c8801a33c9942ff9f8574f67a175e17adb", size = 476682, upload-time = "2025-11-21T18:17:57.334Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/8a/b6/017dc5f852ed9b8735af77774509271acbf1de02d238377667145fcee01d/brotlicffi-1.2.0.1.tar.gz", hash = "sha256:c20d5c596278307ad06414a6d95a892377ea274a5c6b790c2548c009385d621c", size = 478156, upload-time = "2026-03-05T19:54:11.547Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/e4/df/a72b284d8c7bef0ed5756b41c2eb7d0219a1dd6ac6762f1c7bdbc31ef3af/brotlicffi-1.2.0.0-cp38-abi3-macosx_11_0_arm64.whl", hash = "sha256:9458d08a7ccde8e3c0afedbf2c70a8263227a68dea5ab13590593f4c0a4fd5f4", size = 432340, upload-time = "2025-11-21T18:17:42.277Z" },
+    { url = "https://files.pythonhosted.org/packages/ef/f9/dfa56316837fa798eac19358351e974de8e1e2ca9475af4cb90293cd6576/brotlicffi-1.2.0.1-cp314-cp314t-macosx_11_0_arm64.whl", hash = "sha256:2c85e65913cf2b79c57a3fdd05b98d9731d9255dc0cb696b09376cc091b9cddd", size = 433046, upload-time = "2026-03-05T19:53:46.209Z" },
-    { url = "https://files.pythonhosted.org/packages/74/2b/cc55a2d1d6fb4f5d458fba44a3d3f91fb4320aa14145799fd3a996af0686/brotlicffi-1.2.0.0-cp38-abi3-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:84e3d0020cf1bd8b8131f4a07819edee9f283721566fe044a20ec792ca8fd8b7", size = 1534002, upload-time = "2025-11-21T18:17:43.746Z" },
+    { url = "https://files.pythonhosted.org/packages/4a/f5/f8f492158c76b0d940388801f04f747028971ad5774287bded5f1e53f08d/brotlicffi-1.2.0.1-cp314-cp314t-manylinux2014_aarch64.manylinux_2_17_aarch64.manylinux_2_28_aarch64.whl", hash = "sha256:535f2d05d0273408abc13fc0eebb467afac17b0ad85090c8913690d40207dac5", size = 1541126, upload-time = "2026-03-05T19:53:48.248Z" },
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+    { url = "https://files.pythonhosted.org/packages/3b/e1/ff87af10ac419600c63e9287a0649c673673ae6b4f2bcf48e96cb2f89f60/brotlicffi-1.2.0.1-cp314-cp314t-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:ce17eb798ca59ecec67a9bb3fd7a4304e120d1cd02953ce522d959b9a84d58ac", size = 1541983, upload-time = "2026-03-05T19:53:50.317Z" },
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+    { url = "https://files.pythonhosted.org/packages/47/c0/80ecd9bd45776109fab14040e478bf63e456967c9ddee2353d8330ed8de1/brotlicffi-1.2.0.1-cp314-cp314t-win32.whl", hash = "sha256:3c9544f83cb715d95d7eab3af4adbbef8b2093ad6382288a83b3a25feb1a57ec", size = 349047, upload-time = "2026-03-05T19:53:52.215Z" },
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+    { url = "https://files.pythonhosted.org/packages/ab/98/13e5b250236a281b6cd9e92a01ee1ae231029fa78faee932ef3766e1cb24/brotlicffi-1.2.0.1-cp314-cp314t-win_amd64.whl", hash = "sha256:625f8115d32ae9c0740d01ea51518437c3fbaa3e78d41cb18459f6f7ac326000", size = 385652, upload-time = "2026-03-05T19:53:53.892Z" },
+    { url = "https://files.pythonhosted.org/packages/9a/9f/b98dcd4af47994cee97aebac866996a006a2e5fc1fd1e2b82a8ad95cf09c/brotlicffi-1.2.0.1-cp38-abi3-macosx_11_0_arm64.whl", hash = "sha256:91ba5f0ccc040f6ff8f7efaf839f797723d03ed46acb8ae9408f99ffd2572cf4", size = 432608, upload-time = "2026-03-05T19:53:56.736Z" },
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+    { url = "https://files.pythonhosted.org/packages/99/39/e7410db7f6f56de57744ea52a115084ceb2735f4d44973f349bb92136586/brotlicffi-1.2.0.1-cp38-abi3-manylinux2014_x86_64.manylinux_2_17_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:6f3314a3476f59e5443f9f72a6dff16edc0c3463c9b318feaef04ae3e4683f5a", size = 1536838, upload-time = "2026-03-05T19:54:00.705Z" },
+    { url = "https://files.pythonhosted.org/packages/a6/75/6e7977d1935fc3fbb201cbd619be8f2c7aea25d40a096967132854b34708/brotlicffi-1.2.0.1-cp38-abi3-win32.whl", hash = "sha256:82ea52e2b5d3145b6c406ebd3efb0d55db718b7ad996bd70c62cec0439de1187", size = 343337, upload-time = "2026-03-05T19:54:02.446Z" },
+    { url = "https://files.pythonhosted.org/packages/d8/ef/e7e485ce5e4ba3843a0a92feb767c7b6098fd6e65ce752918074d175ae71/brotlicffi-1.2.0.1-cp38-abi3-win_amd64.whl", hash = "sha256:da2e82a08e7778b8bc539d27ca03cdd684113e81394bfaaad8d0dfc6a17ddede", size = 379026, upload-time = "2026-03-05T19:54:04.322Z" },
 ]
 
 [[package]]
@@ -230,43 +235,59 @@ wheels = [
 
 [[package]]
 name = "charset-normalizer"
-version = "3.4.4"
+version = "3.4.6"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/13/69/33ddede1939fdd074bce5434295f38fae7136463422fe4fd3e0e89b98062/charset_normalizer-3.4.4.tar.gz", hash = "sha256:94537985111c35f28720e43603b8e7b43a6ecfb2ce1d3058bbe955b73404e21a", size = 129418, upload-time = "2025-10-14T04:42:32.879Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/7b/60/e3bec1881450851b087e301bedc3daa9377a4d45f1c26aa90b0b235e38aa/charset_normalizer-3.4.6.tar.gz", hash = "sha256:1ae6b62897110aa7c79ea2f5dd38d1abca6db663687c0b1ad9aed6f6bae3d9d6", size = 143363, upload-time = "2026-03-15T18:53:25.478Z" }
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