Runtime detection and the permission guidance each runtime needs.
A Deno.errors.NotCapable or EACCES failure is opaque unless you know which
runtime raised it. The CLI previously swallowed the real error and printed
Error: could not run "ffmpeg", which gave a Deno user nothing to act on —
the actual fix is a flag they cannot see.
Runtime detection and the permission guidance each runtime needs.
A
Deno.errors.NotCapableorEACCESfailure is opaque unless you know which runtime raised it. The CLI previously swallowed the real error and printedError: could not run "ffmpeg", which gave a Deno user nothing to act on — the actual fix is a flag they cannot see.