3e333763fb
The broadcast subtitle rule treated any ko* track as Korean, so YouTube's auto-generated (자동 생성) Korean track would switch captions on. Match only human-authored tracks (kind !== 'asr', vss_id not 'a.*') and pass the full track object to setOption so YouTube selects the manual track rather than the same-languageCode ASR one. Captions stay off when only an auto track exists. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
80 lines
4.1 KiB
Markdown
80 lines
4.1 KiB
Markdown
# stream-test
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Operational scripts for manually verifying the selfbot Go-Live broadcast with a
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real browsing session captured from the X display.
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## Files
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- `stream-hold.ts` - joins the voice channel and keeps the Go-Live stream up
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until stopped. All params from `.env` (`DISCORD_SELFBOT_TOKEN`,
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`DISCORD_GUILD_ID`, `DISCORD_VOICE_CHANNEL_ID`, `VNC_RESOLUTION`,
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`VNC_FRAMERATE`, `VNC_BITRATE_KBPS`, `STREAM_HW`, `VNC_DISPLAY`).
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- `human.mjs` - human-like interaction helpers. Input is injected into the X
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server with `xdotool` (synthetic X input, not a physical HID device, but the
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browser and the captured screen see genuine pointer/keyboard events with a
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visibly moving cursor); Playwright only locates elements. Every action is such
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input: address-bar navigation (Ctrl+L + typing), search typing, clicking the
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video / settings menu / autoplay toggle / play button, fullscreen via the `f`
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key, and scrolling. Elements are brought into view with a real wheel scroll
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(no DOM scrollIntoView); if an element has no on-screen box the click fails
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rather than falling back to a synthetic click. The CDP/DOM API is used only to
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read state for verification, never to act.
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- `scenario.mjs` - the browse scenario (YouTube -> 1080p -> fullscreen -> Naver
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-> 나무위키), driven with the human helpers. Connects to a Chrome already
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running with `--remote-debugging-port` (`CDP_PORT`, default 9222) on the
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streamed display. Defaults to a fixed concert clip; set `MV_QUERY` to instead
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search and auto-pick the first result that really reports >=60fps. `WATCH_SECONDS`
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(default 20) sets the windowed/fullscreen watch durations.
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- `broadcast-helper.mjs` - persistent CDP helper that injects one watcher into
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every tab (current and future) and (1) auto-skips YouTube ads - clicks "Skip
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ad" instantly, closes overlay ads, fast-forwards unskippable ads (seek-to-end
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+ 16x + mute) and RESTORES the pre-ad muted/playbackRate when the ad ends; and
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(2) applies the subtitle rule per video: captions OFF by default, Korean ON
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only when the video offers a real (human-authored) Korean track; YouTube's
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auto-generated Korean track is ignored. Run it alongside the broadcast; it
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reconnects across Chrome restarts.
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## Run
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```
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# keep the broadcast up (separate process / service)
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bun bot/scripts/stream-test/stream-hold.ts
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# keep ads auto-skipped + subtitles correct for the whole broadcast:
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node bot/scripts/stream-test/broadcast-helper.mjs
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# Chrome on the streamed display with remote debugging, then run a browse pass:
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node bot/scripts/stream-test/scenario.mjs
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# ...or the 60fps MV variant:
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MV_QUERY="4K 60fps MV" WATCH_SECONDS=30 node bot/scripts/stream-test/scenario.mjs
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```
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Recommended Chrome flags on the streamed display (avoids the "restore pages?"
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bubble after an unclean exit and keeps a single clean window):
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```
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google-chrome --remote-debugging-port=9222 --start-maximized \
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--hide-crash-restore-bubble --disable-session-crashed-bubble \
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--autoplay-policy=no-user-gesture-required <url>
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```
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## Smooth capture (VNC keepalive)
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TigerVNC only refreshes its framebuffer while a VNC client is attached. The
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Discord broadcast reads the framebuffer with `x11grab` (not as a VNC client), so
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with no viewer attached the captured screen idles at ~1.5 fps and the stream
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looks badly choppy while the cursor still moves smoothly (x11grab overlays the
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live cursor each frame). `SelfbotStreamer` fixes this automatically: it keeps a
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tiny headless RFB client (`vnc-keepalive.ts`) connected for the life of the
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stream, requesting incremental updates at the stream framerate. Measured: 3/30
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distinct frames without it, ~57/60 with it. The keepalive authenticates with
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`VNC_PASSWORD` (or the `~/.config/tigervnc/passwd` file) and is fail-open.
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## A/B framerate/resolution
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Lower settings to compare what Discord actually delivers to viewers, e.g.:
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```
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VNC_RESOLUTION=1280x720 VNC_FRAMERATE=30 bun bot/scripts/stream-test/stream-hold.ts
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```
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## Notes
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- Selfbot streaming violates Discord ToS; use a burner account.
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- Requires `xdotool`, an X display, and a system `ffmpeg` with `x11grab`/nvenc.
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- Prereqs (`playwright`, system Chrome) are not bot dependencies; install
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separately where you run the scenario.
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