tongflow-modal-ffmpeg

Official TongFlow plugin. Media transcoding, muxing, and frame/track extraction with FFmpeg, running on Modal. No model weights — pure media processing.

Capabilities

• Concatenate clips (concat-videos) — join multiple videos end to end.
• Mux audio + video (merge-video-audio) — merge an audio track and a video into one file.
• Split video & audio (remove-video-audio) — demux a video into separate video and audio tracks.
• Extract audio track (extract-audio) — pull the audio out as its own asset.
• Extract first frame (get-first-frame) — grab the first frame as an image.
• Extract last frame (get-last-frame) — grab the last frame as an image.

Credentials

Add in TongFlow Settings (gear icon, top-right):

Key	Required	Notes
MODAL_TOKEN_ID	✅	Create at modal.com/settings/tokens.
MODAL_TOKEN_SECRET	✅	Paired with MODAL_TOKEN_ID.

On first use the plugin deploys to your Modal account automatically and caches the build. No Hugging Face token required.