Jason Tackaberry wrote: > In our example, we have a 720x480 DVD frame, and -vf expand makes that > frame 720x641, which then gets hw-scaled to 854x641 which is our desired > 4:3 aspect ratio. The OSD canvas is 640x480 -- that's what we as the > canvas API user see -- which gets scaled by vf_overlay to 720x641, and > then the frame+overlay subsequently scaled by the video card to 854x641.
So what happens if you use the expand filter with 4/3 but you don't have square pixels? Example: we have freevo running fullscreen at 800x600, but the tv is 16:9. Everything needs to be scaled so that it looks ok on the tv again. What should we tell the expand filter? Should it expand to 4/3 or 16/9? If it is 16/9 we will never see our 800x600 pixel, so I guess it is 4/3. What happens for strange resolutions like 720x480? What aspect is this? And my tv is 1360x768. It is close to 16:9, but it isn't exactly. So back to our example with different values. I have a 720x480 screen that is connected to a 16:9 monitor. I have an 720x480 DVD frame. What happens now and what are the correct mplayer command line options? And what should be the aspect of the overlay? 720x480? Dischi -- A Life? Cool! Where can I download one of those from?
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