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MediaPortal 1
Development
Improvement Suggestions
New zoom mode: 4/3 -> 16/9 non-linear distortion
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<blockquote data-quote="mystic2k" data-source="post: 142559" data-attributes="member: 49238"><p>Hi all,</p><p></p><p>I did some testing with MCE 2005 last night. I created an uncompressed AVI video containing a grid of 1024*768 pixels (each square 32*32 pixel) and played it in MCE using "intelligent zoom" on my 1360*768 LCD. Examining the resulting screenshot allowed me to determine the zoom/stretch values that are being used :</p><p></p><p>1) The image is zoomed by 9.1%, resulting in a slight cropping of the top and bottom portion of the picture.</p><p></p><p>2) The values used for the non-linear stretch can be found in the attached file (sorry for the poor quality... but it's readable !)</p><p></p><p>Looking at these results, I think that the reason the MCE implementation looks so smooth is because as you can see in the attachment, even the very center of the image is stretched by 8.9% (while in some implementation I think it remains totally untouched). This and the top/bottom cropping results in lower stretching values needed on the sides, therefore less noticeable distortion.</p><p></p><p>I don't know what I can do to help further and encourage one of the MP devs to implement this, but anything that can be done without programming knowledge should be ok ! Let me know ! <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> </p><p></p><p>Cheers,</p><p></p><p>Laurent</p></blockquote><p></p>
[QUOTE="mystic2k, post: 142559, member: 49238"] Hi all, I did some testing with MCE 2005 last night. I created an uncompressed AVI video containing a grid of 1024*768 pixels (each square 32*32 pixel) and played it in MCE using "intelligent zoom" on my 1360*768 LCD. Examining the resulting screenshot allowed me to determine the zoom/stretch values that are being used : 1) The image is zoomed by 9.1%, resulting in a slight cropping of the top and bottom portion of the picture. 2) The values used for the non-linear stretch can be found in the attached file (sorry for the poor quality... but it's readable !) Looking at these results, I think that the reason the MCE implementation looks so smooth is because as you can see in the attachment, even the very center of the image is stretched by 8.9% (while in some implementation I think it remains totally untouched). This and the top/bottom cropping results in lower stretching values needed on the sides, therefore less noticeable distortion. I don't know what I can do to help further and encourage one of the MP devs to implement this, but anything that can be done without programming knowledge should be ok ! Let me know ! :) Cheers, Laurent [/QUOTE]
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MediaPortal 1
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New zoom mode: 4/3 -> 16/9 non-linear distortion
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