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MediaPortal 1
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Zoom : adding 'no aspect ratio change' in general settings
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<blockquote data-quote="knutinh" data-source="post: 69170" data-attributes="member: 14776"><p>I think this is a very good idea. Zoom is a seemingly "simple" functionality that never is done 100% right (probably because everyone has their own opinion, and it is used many times a day).</p><p></p><p>I Would like to add one parameter to your idea miljbee:</p><p>Original format detection threshold. Often, tv-channels will put a 16:9 signal inside a 4:3 envelope using black bars. The black bars may however contain a channel logo, text or noise that may or may not be wanted. By setting a threshold (% pixels that must be below rgb 5,5,5 for instance) and possibly a time-threshold (this condition must be true for 25 frames), one could allow MP to have a better idea of what is the "actual" image content. </p><p></p><p>Once it has a good, robust "mx" and "my", it can use user preferences to decide how to scale/stretch/crop those pictures inside the "sx", "sy" envelope.</p><p></p><p>For me, maximum upscaling without altering dimensions would probably be used the most, however the new 14:9 mode seems to be used a lot lately as well.</p><p></p><p>BTW, how do you think mixed content should be viewed? I see a lot of commercials and tv-shows use 16:9 letterbox as a creative tool, often only for a few seconds. Would you prefer a 16:9 display to catch this instantly, or do you prefer a 16:9 inside a 4:3 boundary inside a 16:9 display boundary?</p><p></p><p>regards</p><p>Knut</p><p></p><p>regards</p><p>Knut</p></blockquote><p></p>
[QUOTE="knutinh, post: 69170, member: 14776"] I think this is a very good idea. Zoom is a seemingly "simple" functionality that never is done 100% right (probably because everyone has their own opinion, and it is used many times a day). I Would like to add one parameter to your idea miljbee: Original format detection threshold. Often, tv-channels will put a 16:9 signal inside a 4:3 envelope using black bars. The black bars may however contain a channel logo, text or noise that may or may not be wanted. By setting a threshold (% pixels that must be below rgb 5,5,5 for instance) and possibly a time-threshold (this condition must be true for 25 frames), one could allow MP to have a better idea of what is the "actual" image content. Once it has a good, robust "mx" and "my", it can use user preferences to decide how to scale/stretch/crop those pictures inside the "sx", "sy" envelope. For me, maximum upscaling without altering dimensions would probably be used the most, however the new 14:9 mode seems to be used a lot lately as well. BTW, how do you think mixed content should be viewed? I see a lot of commercials and tv-shows use 16:9 letterbox as a creative tool, often only for a few seconds. Would you prefer a 16:9 display to catch this instantly, or do you prefer a 16:9 inside a 4:3 boundary inside a 16:9 display boundary? regards Knut regards Knut [/QUOTE]
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Zoom : adding 'no aspect ratio change' in general settings
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