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Old 13th February 2018, 22:20   #1  |  Link
EHarlen
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Encoding AVS scripts

What editor/encoder and codec do you prefer for encoding AVS scripts as lossless?
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Old 13th February 2018, 22:32   #2  |  Link
FranceBB
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UtVideo is fast and has a good lossless compression. I mainly use UtVideo for lossless mezzanine files.
Alternatively, you can try ffv1 or HuffYUV.
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Old 13th February 2018, 22:44   #3  |  Link
poisondeathray
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It depends on how it's going to be used (e.g. max compression for storage, vs. maybe quick decoding for editing intermediate etc....), what criteria are important to your situation

Factors influencing what you might choose include :
compression ratio
encoding speed
decoding speed
compatibility with various host applications (not all "lossless" codecs are treated as lossless in some programs)
platform support mac/linux/win
open source vs. payware
pixel type , bit depth, colorspace support
md5 / error checking for archival
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Old 13th February 2018, 23:07   #4  |  Link
ChaosKing
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I use x264 for lossless encodes with mp4 as extension, because the mkv produced by x264 has no index -> slow seeking.
For lossy encodes also x264 and x265 + mkv. Script editor notepad++ and virtualdubmod.
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Old 13th February 2018, 23:31   #5  |  Link
`Orum
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Quote:
Originally Posted by ChaosKing View Post
...because the mkv produced by x264 has no index -> slow seeking.
While this is true, simply remuxing will fix the issue. However, I can understand if you don't want to do so for large lossless files.

Anyway, to respond to the OP, it entirely depends on your source material. Not all color spaces are supported by all codecs, so in some cases that alone can make the decision for you. Also, some codecs (e.g. lossless x264) actually do interframe compression, so noiseless sources can really shine on them, whereas others are pure intra encoders which can be as good as or better than x264 for noisier sources.
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Old 14th February 2018, 22:34   #6  |  Link
EHarlen
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Thank you for all your replies but how can I get smallest file size while still having the highest quality possible.
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Old 14th February 2018, 23:28   #7  |  Link
poisondeathray
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Quote:
Originally Posted by EHarlen View Post
Thank you for all your replies but how can I get smallest file size while still having the highest quality possible.


Technically, all "lossless" codecs will all have the same "quality"

But beware not all programs treat them as "lossless" . So the situation specifics and how it's going to be used are important considerations.

For example if you had a YUV source and used huffyuv, or ffv1, or lagarith, or ut video codec - they wouldn't be lossless in the majority of windows NLE's; most treat them as RGB. But open source programs like ffmpeg typically handle the correctly

A long GOP lossless codec , such as x264 in lossless mode or ffv1 in long gop mode will typically offer the highest compression ratio . But many programs like video editors will not be able to read either of them (lower compatibility)

Newer versions of Adobe PP , is the one NLE that treats lossless x264 in 8bit, 10bit, and 4:2:0, 4:2:2, 4:4:4 as true lossless for import and export. There is an open source plugin "voukoder" that can export directly using libx264 as well . It also has ffv1, libx265, but they aren't treated as lossless on import (export is ok)
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Old 15th February 2018, 04:25   #8  |  Link
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Try UTVideo with the Median option.
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