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Today: 08.06.2025 - 04:06:28
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Crop your movie

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Hi all, why fullsize resolution? I encode all my movies with a script like this: LoadPlugin("MPEG2DEC.dll") mpeg2source("K:\memento\film.d2v") crop(8,74,704,428) .AddBorders(8,74,8,74) ResampleAudio(44100) You see the target resolution is 720x576 (PAL) But I crop 8 pixels each side and with the resize option in DVD2AVI I see the up and down crop area. The cropped pixels each side go down in the overlay of the TV screen and the number of pixels to encode are reduced with this method. I think this brings quality too. CCE needs memory! With my method I get speeds around 1.6 with an 1800XP and 256 MB DDR RAM But my system is not opimized, I will fellow the links above and see what it brings to me.

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mtnM3

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Registration: 09.17.2003
05.03.23 - 09:41:49
Message # 1
RE: Crop your movie

Ever heard that mpeg2 uses macroblocks (which is 16x16) ? They consist of four 8x8 blocks ? Your 'optimization' is pretty useless as like before _every_ macroblock has to be fully encoded. Also TV-overscan area is much larger than your 8 pixels border ... Think of it again :p

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MattE21

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Registration: 12.17.2002
05.03.23 - 09:49:51
Message # 2
RE: Crop your movie

Hi mb1 

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Smell that? ......German leather and palm sweat.

one

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Registration: 08.07.2003
05.03.23 - 09:56:27
Message # 3
RE: Crop your movie

Those horizontal 'coded film pixel' resolutions are taking care of the tv overscan area: - 688 for full D1 (720x576/480); macroblock optimized; but you can also go down to 672. - 672 for cropped D1 (704x576/480); macroblock optimized - 448 for 2/3 D1 (480x576/480); macroblock optimized - 336 for 1/2 D1 (352x576/480; 352x288/240); only block optimized ! It would be best to use FitCD and play around with the sliders and values. Also be sure to read the FitCD.txt completely ! Beamers do also have an overscan area but not as large as tv sets. For questions in your native language you can also find me at dvd-svcd-forum :)

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xnitromethx

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Messages: 436
Registration: 04.29.2003
05.03.23 - 09:59:48
Message # 4
RE: Crop your movie

THX for your reply! :) I first will learn more about MPEG encoding by my own! But my last results are all very good, I think. Hmm but eventually I can optimize it??? ;) JOJOLINO

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wolf2600

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Registration: 02.19.2002
05.03.23 - 10:06:28
Message # 5
RE: Crop your movie
Guordian Knot Guide Innacurracy drove me crazy : Previous topicNext topic: Syntax Problems
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