Keyframe
Land on a keyframe near the target without decoding forward to it: by default the last one at or before the target, and KeyframeChoice picks another. One decode, always fast, and up to a whole group of pictures away from where you asked.
Land on a keyframe near the target without decoding forward to it: by default the last one at or before the target, and KeyframeChoice picks another. One decode, always fast, and up to a whole group of pictures away from where you asked.