I've been using a Avermedia EzRecorder 130 capture device to capture footage from my PVR (and having to use a hdmi splitter to bypass the hdcp)
I hooked up my Blu-ray player, captured a DVD playing and compared it to a rip of the original DVD and notice a slight difference in the colour, which seems darker when capturing on the Avermedia device.
Original DVD
[Attachment 54376 - Click to enlarge]
AverMedia
[Attachment 54369 - Click to enlarge]
What would be the correct level/script to use to restore the original colour back in Avisynth?
I've also attached both files for reference.
AverMedia footage is a bit more stuttery as i forgot to set the Blu-ray player to interlaced mode when capturing.
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This is closer , but still slightly off
Code:LSmashVideoSource("AverMedia.mp4") ColorMatrix(mode="rec.709->rec.601", clamp=0) SmoothLevels(1,1.02,255,0,255, chroma=200) SmoothTweak(saturation=1.05, hue1=1)
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Thanks for that! It's virtually identical now.
[Attachment 54386 - Click to enlarge]
LSmash seems to be causing the render to freeze at a certain point without finishing. I usually just decompress mp4 files to avi just to get it to work in AvsPmod, and have had issues using other source filters. It would be good though to just load the mp4 directly into AvsP without issue.
[Attachment 54382 - Click to enlarge]
Also i've just discovered the EzRecorder can actually capture in 480/576i resolutions too. I thought it only did HD res due to the HDMI source. After capturing in native SD, the difference doesn't seem as drastic, so clearly a rec.601/709 issue. However there is still an ever so slight difference in colour, which is corrected by the SmoothLevels/Tweak parts of the script.Last edited by Master Tape; 5th Aug 2020 at 11:15.
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Was your source file the same, (or the same compression as the original recording from Avermedia ?)
Unlikely to be lsmash. This branch is stable
https://github.com/HolyWu/L-SMASH-Works/releases
Unless you repeated it with "AVI", and it worked ? Then that would suggest an issue with lsmash
What version of colormatrix? There is an old version known to be unstable especially with multithreading.
What version of avisynth ? There are also some older avisynth versions of 3.x that had known hanging/crashes -
Have you played with the "Color Range" setting (page 28 of the English version of the manual)? I think it is designed to do poison's TV to computer color matrix change during capture.
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I can't get LSmash to read the source file which is an mkv.
Code:LSMASHVideoSource [Fatal]: Failed to read an input file
I had AviSynth+ 3.4.0, upgraded to 3.5.0, still the same problem. It just keeps freezing at 1 minute 13 seconds of the render. -
LSMSASHVideoSoure() only works for mp4, m4v, and mov. You need to use LWlibavVideoSource() for MKV.
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