output
What this decoder's frames will be, or null when it cannot say before they exist. The engine checks it against the attached renderer, and a null skips the check: the renderer's refusal of the first frame is then the only answer, as before.
What this decoder's frames will be, or null when it cannot say before they exist. The engine checks it against the attached renderer, and a null skips the check: the renderer's refusal of the first frame is then the only answer, as before.