probe

This block is part of the video group and was last modified in core v15.0.0.

probe condition v15.0.0

Reads width, height, duration, size and whether the file has audio : without transcoding. Runs inline (ffprobe is milliseconds), so branch on the result before deciding whether to compress.

In pins 1 + flow

flow
flow
file required
value
Video file. Accepts a file object (from another file block) or a relative path string.

Out pins 7 + flow

flow
flow
success
condition
False when the file is missing or is not a media file ffprobe understands.
width
number
height
number
duration ms
number
size bytes
number
has audio
condition
True when the file carries at least one audio stream.
error
value

video info

ffprobe

video duration

video dimensions

A typical wiring for probe: a function trigger starts the flow; value feeds the file pin; the flow out pin feeds debug.

Used in these guides

These documentation pages use or explain this block:

Assets

Version history

Introduced in v15.0.0.

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