1.6 KiB
1.6 KiB
Channel Control Commands
This document describes the command-line tools for controlling the video player service.
Quick Usage
Simple Channel Change
# Change to random channel
./channel
# Change to specific channel
./channel 5
Advanced Control
# Change to random channel
python3 change_channel.py
# Change to specific channel
python3 change_channel.py 5
# Show current channel
python3 change_channel.py --current
# List all available channels
python3 change_channel.py --list
# Stop video player service
python3 change_channel.py --stop
Features
- Random Channel Selection: If no channel is specified, automatically selects a random channel
- Service Communication: Communicates with the running video player service via Unix socket
- Real-time Control: Changes channels instantly without restarting the service
- Channel Information: Shows current channel and available channels
Requirements
- Video player service must be running
- Control socket must be available at
/tmp/video_player_control.sock - Python virtual environment activated (on server)
Examples
# On the server (tulivision@192.168.1.160)
cd rpi-tulivision
source venv/bin/activate
# Quick random channel change
./channel
# Change to channel 7
./channel 7
# Check what's currently playing
python3 change_channel.py --current
Technical Details
The channel control system uses:
- Unix domain sockets for inter-process communication
- JSON-based command protocol
- Thread-safe command processing
- Automatic error handling and timeouts