The extension is a video container format developed by Apple, nearly identical to .mp4 but with specific characteristics: What Are M4V Files? | M4V Format Explained - Adobe
: Analyzing temporal shifts, such as camera framing or object movement, often via temporal self-attention maps. 5_6136236148210534044.m4v
In technical contexts, "looking at a proper feature" in a video file refers to —the process of identifying and isolating specific characteristics within the video, such as: The extension is a video container format developed