Highly technical question about ATV HD playback and output

background:

although might not first come idea, have not seen others yet. came idea of doing anamorphic 1080p -> 720p conversions similar dvds. time, instead of 16:9 4:3, 2.35:1 or 2.4:1 16:9.

example:

fellowship of rings bluray appears in 2.4:1 ratio resulting in 1920x800 resolution when black bars cropped. instead of doing straight scale-down 1280x528, decided utilise every pixel atv capable of pushing. used handbrake convert 1920x800 1280x720 anamorphic resulting in 1728x720 displayed pixels instead of 1280x528.

of understand anamorphic fine getting this. don't, movie encoded 1280x720 resolution, apple tv maximum. since it's in different aspect ratio original, picture squashed. so, widescreen dvds, play properly, system stretch image resulting in 1728x720 displayed resolution.

itunes, quicktime, ipad, iphone , apple tv understand anamorphic coding , stretch out , play properly. that's not problem @ all.

question:

question is: benefit out of on apple tv? sure, if watch on fullhd display on mac, pixels use. apple tv? don't have fullhd tv test out.

know apple tv limited playing 720p files. know atv can output 1080p. 1st gen one. so, how movie in example playback on apple tv hooked fullhd display output of 1080p?

it:

a) stretch , scale 1280x528 , send tv such?
b) send movie to tv , tv stretch maximum potential of file?

don't know how apple tv operates in 1080p mode. upscale 720p 1080p? if so, it:

c) stretch , scale 1280x528, upscale 1080p , send tv?
d) stretch 1728x720, upscale 1080p , send tv?

input.

 

many people have been doing since atv1 you're in company. short answer, yes there's real increase in vertical resolution if you're using atv1 since outputs 1080p you'd expect, no if you're using atv2 since outputs 720p no matter what, yes on atv3 , of course on computer outputting screen bigger 720p.

 

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