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streamer-widgets/CHAT_SETUP.md

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Live Chat Widget Setup Guide

This guide will help you set up the Live Chat widget to display Twitch and YouTube live chat in OBS.

Quick Start

  1. Start the server

    uv run streamer-widgets --tray

  2. Configure Chat

    • Open http://127.0.0.1:8765/config in your browser
    • Configure your Twitch channel and/or YouTube video ID
    • (Optional) Set up OAuth for authenticated connections

  3. Add to OBS

    • Create a new Browser Source
    • URL: http://127.0.0.1:8765/widgets/livechat/
    • Width: 400px (or your preference)
    • Height: 600px (or your preference)
    • Check "Shutdown source when not visible" for performance

Features

Supported Platforms

  • Twitch: IRC WebSocket connection (anonymous or authenticated)
  • YouTube: Live Chat API (requires OAuth)

Emote Support

  • Twitch native emotes
  • FrankerFaceZ (FFZ)
  • BetterTTV (BTTV)
  • 7TV
  • YouTube emoji (native)

Display Options

  • Unified View: Mix messages from both platforms chronologically
  • Separate Columns: (Coming soon) Side-by-side platform displays
  • Customizable message limit
  • Timestamps
  • User badges
  • Platform indicators

Authentication Setup

Configuration File

OAuth credentials are stored in a JSON configuration file. On first run, the application creates an example config at:

Windows: %LOCALAPPDATA%\StreamerWidgets\config.json

You can also find the exact path in the web UI at http://127.0.0.1:8765/config

Twitch OAuth (Optional)

For anonymous chat reading, you don't need OAuth. For authenticated connections:

  1. Create a Twitch Application

    • Go to https://dev.twitch.tv/console/apps
    • Click "Register Your Application"
    • Name: My Chat Widget (or any name)
    • OAuth Redirect URLs: http://localhost:8765/auth/twitch/callback
    • Category: Chat Bot
    • Client Type: Confidential
    • Click "Create"

  2. Configure Credentials

    • Open config.json in a text editor (see path above)
    • Under twitch_oauth, set:
      • client_id: Your Twitch Client ID
      • client_secret: Your Twitch Client Secret
      • redirect_uri: Keep as http://localhost:8765/auth/twitch/callback
    • Save the file
    • Restart the application

    Example:

    {
  "twitch_oauth": {
    "client_id": "abc123xyz456",
    "client_secret": "def789ghi012",
    "redirect_uri": "http://localhost:8765/auth/twitch/callback"
  }
}

  3. Authenticate

YouTube OAuth (Required for YouTube)

YouTube Live Chat requires OAuth authentication:

  1. Create a Google Cloud Project

  2. Create OAuth Credentials

    • Go to "Credentials" in your project
    • Click "Create Credentials" → "OAuth client ID"
    • Application type: Web application
    • Authorized redirect URIs: http://localhost:8765/auth/youtube/callback
    • Click "Create"

  3. Configure Credentials

    • Open config.json in a text editor
    • Under youtube_oauth, set:
      • client_id: Your YouTube Client ID (ends with .apps.googleusercontent.com)
      • client_secret: Your YouTube Client Secret
      • redirect_uri: Keep as http://localhost:8765/auth/youtube/callback
    • Save the file
    • Restart the application

    Example:

    {
  "youtube_oauth": {
    "client_id": "123456789-abc.apps.googleusercontent.com",
    "client_secret": "GOCSPX-xyz123abc456",
    "redirect_uri": "http://localhost:8765/auth/youtube/callback"
  }
}

  4. Authenticate

Configuration Options

Channel/Video Settings

  • Twitch Channel: The channel name to monitor (without #)
  • YouTube Video ID: The ID from the YouTube video/stream URL
    • Example: For https://youtube.com/watch?v=dQw4w9WgXcQ, use dQw4w9WgXcQ

Emote Providers

  • Enable/disable FFZ, BTTV, and 7TV emotes
  • Emotes are loaded when connecting to a channel

Display Settings

  • Max Messages: Number of messages to keep (10-200)
  • Show Timestamps: Display message times
  • Show Badges: Display user badges (mod, subscriber, etc.)
  • Unified View: Mix both platforms or show separately

Filtering (Advanced)

Not yet implemented in UI, but available via API:

  • Filter by user roles
  • Block messages with specific keywords
  • Set minimum message length

Customization

Widget Styling

Edit app/assets/web/widgets/livechat/style.css to customize:

  • Colors and themes
  • Font sizes
  • Message spacing
  • Platform indicators
  • Badge styles

Widget Size

Adjust in OBS Browser Source properties:

  • Vertical chat: 400x600px or 400x800px
  • Horizontal chat: 800x400px or 1000x400px

Troubleshooting

Twitch Chat Not Connecting

  • Check that the channel name is correct (lowercase, no #)
  • For authenticated connections, verify OAuth tokens are valid
  • Check console output for error messages

YouTube Chat Not Showing

  • Ensure the video/stream has live chat enabled
  • Verify OAuth authentication is complete
  • Check that the video ID is correct
  • YouTube requires authenticated access

Emotes Not Loading

  • Check internet connection
  • Third-party emote services may be rate-limited
  • Try disabling/re-enabling emote providers in config

Messages Not Appearing in OBS

  • Verify the widget URL is correct
  • Check that the browser source is visible
  • Refresh the browser source
  • Check browser console for WebSocket errors

API Endpoints

For advanced integration:

  • GET /api/chat/messages?limit=50 - Get recent messages
  • GET /api/chat/config - Get current configuration
  • POST /api/chat/config - Update configuration
  • GET /ws - WebSocket for real-time updates

Notes

  • Tokens are stored locally in %LOCALAPPDATA%/StreamerWidgets/tokens.json
  • Chat history is kept in memory (not persisted)
  • Anonymous Twitch connections have no rate limits for reading
  • YouTube API has daily quotas (should be sufficient for chat reading)

Future Enhancements

  • Chat commands/interactions
  • Message filtering UI
  • Custom badge images
  • Sound notifications
  • Chat replay/history
  • Multi-column layout
  • Custom CSS themes
  • Raid/host notifications
  • Viewer count display