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Old 16th March 2023, 05:38   #19  |  Link
Join Date: Jan 2006
Location: Portland, OR
Posts: 4,578
Originally Posted by 102030 View Post
I still convert all movies with Xvid. I have the most experiences with this codec (13 years).
I really dislike h264 deblocking. The Xvid results are better for me than with x264.
You can always lower or turn off the in-loop deblocking filter in H.264; Gary Sullivan once told me that his biggest regret in H.264 was that the default loop filter strength was a little too high; -1,-1 is a better default. Even without it, High Profile will still outperform Xvid a lot due to better entropy coding, better adaptive quant signaling, multiple reference frames, hierarchical b-frames, and so on.

H.264 is definitely the first "after" codec in the before/after of codec evolution, with MPEG-4 pt 2 and VC-1 the last gasp of the classic 8x8 intra block IPB single forward reference no in-loop deblocking non-arithmetic entropy coding era. It was a huge break from from everything before, and HEVC and VVC are refinements and extensions of the H.264 model, based on fundamentally the same core.

Plus x264 is simply a much more psychovisually refined encoder than xvid, and it was more broadly used, both by hobbyists and for commercial use by companies who paid for improvements in it.
Ben Waggoner
Principal Video Specialist, Amazon Prime Video

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