Timeline Viewer 🎬

A custom ComfyUI node that provides an interactive video player with timeline scrubbing, built as an alternative to the standard VHS VideoCombine preview.

Installation

1. Copy the Timeline_viewer_AV folder into your ComfyUI custom_nodes directory
2. Restart ComfyUI (via ComfyUI Manager → Restart, or manually)
3. The node will appear in the node menu under the Video category

File structure

custom_nodes/
  └── Timeline_viewer_AV/
        ├── __init__.py
        ├── nodes.py
        ├── README.md
        └── js/
              └── timeline_viewer.js

Inputs

Input	Type	Description
images	IMAGE	Input frame batch
audio	AUDIO (optional)	Audio track
frame_rate	FLOAT	Frames per second
loop	BOOLEAN	Loop playback
filename_prefix	STRING	Output filename prefix
save_output	BOOLEAN	Save to output or temp folder
frame_in	INT	First frame to include
frame_out	INT	Last frame to include (0 = all)
max_width	INT	Max preview resolution width

Features

• Interactive timeline with frame scrubbing
• Audio waveform display
• Frame counter with global frame offset
• Reactive loop toggle — no re-render needed
• Optimized for network drives — writes to local /tmp first

Notes

• To update the node Python code: restart ComfyUI
• To update the JS only: hard refresh the browser (Ctrl+Shift+R)