Generate a thumbnail blob from a video URL — grabs a frame near the start. Exposed as a primitive so custom generators can delegate (e.g. clip-composition). Resolves undefined when the optional signal aborts before a frame is captured.
undefined
signal
Optional
Generate a thumbnail blob from a video URL — grabs a frame near the start. Exposed as a primitive so custom generators can delegate (e.g. clip-composition). Resolves
undefinedwhen the optionalsignalaborts before a frame is captured.