I've purchased a car stereo that lists the following dimensions:
6.95 in diagonal (156.6 mm x 81.6 mm)
800x480, 16:9 aspect ratio
If the pixels were square, that would be 15:9 but the physical dimensions are definitely 16:9.
If I have a video encoded at 720p or 1080p and I want to convert it to use the entire 800x480 display and the non-square (?) pixels, how can I do this with FFmpeg? (or anything else)
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AR = 16:9 => 852x480 or 800x448
156.6 / 81.6 is 1.9191, so definitely not 16:9 (aka 1.78:1).
If you truly trust what it says, you should size as if it was 852x480, but then actually make it the target size.
Scott"When will the rhetorical questions end?!" - George Carlin
FFmpeg? (does the source resolution or aspect ratio matter?)