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6th January 2002, 15:44 | #1 | Link |
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Avisynth/mpeg2dec slows down Tmpgenc?
I read this article: http://www.doom9.org/mpg/d2a-mpeg2dec.htm and decided to do a little test using Tmpgenc. I tried 3 things:
1. I have an DVD2AVI project file (.d2v) and loaded this directly into Tmpgenc to encode a short clip with the VCD-template. 2. I used VFAPI to make a frameserving AVI-file from the d2v-file and loaded this into Tmpgenc to encode a short clip with the VCD-template. 3. I made a simple avs-file with the following lines: LoadPlugin("c:\temp\MPEG2DEC.DLL") mpeg2source("movie.d2v") and loaded this into Tmpgenc to encode a short clip with the VCD-template. The first 2 methods were about equally fast. They were both about twice as fast as the avs-method. My test results seem to disagree with the article above (which states that using Avisynth will increase speed because no YUV2 --> RGB conversion is necessary). Q1. Why is that? Q2. Does it make any sense to use an avs-file to encode with Tmpgenc (apart from using specific resize and other filters)? |
6th January 2002, 22:09 | #3 | Link | |
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Re:
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7th January 2002, 02:29 | #4 | Link |
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Join Date: Oct 2001
Posts: 80
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Try resizing it before you put it into TMPG..when I used to use TMPG, I noticed that if I let it resize using the avisyth plugin..it was slow, when I added the "BilinearResize(X,X)" into my avisynth file...it got significantly faster.
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