pause or resume the video */

Pick the largest thumbnail URL. Thumbs are ordered small→large already but we don't rely on that — explicit max-by-area.

Capture one /videoplayback POST on an already-open page. Used by both `_capture` (one-shot, fresh browser each call) and the daemon (one pers

Return (row, col, width, height) for the centred box.

Find the secondary-results continuation token if present. Handles both schema variants: WEB: continuationItemRenderer → continuationEndp

The {itag,lmt,audio_track} sub-message used in many places.

Brand-new session. CONSENT/SOCS hardcoded — they don't identify the visitor, just satisfy the EU consent gate.

Launch the browser engine and return (browser, browser_close_coro). `engine`: * "chromium" — Playwright's bundled Chromium (headless_shell)

Walk the InnerTube .next() response to find recommendation items. Schema differs slightly between WEB and TVHTML5; we cover both by searching

Rank duplicate search hits for the same videoId. Search often returns a video twice: once as a plain card with full metadata, once as YT's au

UMP uses a custom varint: leading 1-bits in the first byte indicate the total varint size (1–5 bytes), and the remaining bytes are stored litt

easeOutBack — overshoots ~10% then snaps back, gives a tactile * "pop-in" feel for the speed overlay. */

easeOutCubic — fast start, gentle settle. Used for the sidebar slide. */

Compute grid that fills the screen with tiles ~target_tile_w cells wide. Aspect 16:9 in pixels; tile_h derived from kitty's reported cell px size

return last shown position */

Return JPEG bytes for the thumbnail, using disk cache.

TVHTML5 home / 'What to Watch' surface.

Fetch home + /next-pivot for the first home video, merge & dedupe. Why combined: TVHTML5 home is just 4 shelves × 5 = 20 videos with no conti

Show the PIN code and block until user authorizes (or Ctrl-C).

Return slot indices whose tile rectangle intersects this box. We pad the tile rect by 1 cell on every side to also catch the focus bo

Block new extends and wait for any in-flight one to finish. Call this before launching mpv: PNG conversions in our worker thread stea

Read UMP varint. Returns (value, new_pos). UMP varints are LEB128-like, low-byte-first.

Redraw every visible slot for the current offset & focus.

Re-enter cbreak mode after a `suspend()`.

Return an offset (always row-aligned) that keeps `focus` visible.

Temporarily restore the terminal to its original mode. Use this around a subprocess (e.g. mpv) that needs to set up its own raw-mode

Auto-scroll list so the focused tile is fully visible. */

display the current picture, if any */

Extract YouTube video ID from any watch / short URL form.

If the response set new cookies (e.g. rotated SID), persist them to disk so the next run uses the fresh values.

Force-advance the sticky pointer to the next alive strategy. For callers whose failure pr_fetch can't see: bridge_player uses this when a str

Return `steps` intermediate PNG frames cross-fading from A to B. Alpha goes 1/(N+1) .. N/(N+1) — never 0 or 1, those are the surrounding "rea

top-level field 3 sub-message: format_id, start_ms, end_ms, ?, segment_idx.

Each spec = (suffix, impersonate, ua) or (suffix, impersonate, ua, transport, client). Layout: two passes through bases. Pass 1 stamps i-th b