View Single Post
Old 10th September 2019, 17:29   #149  |  Link
benwaggoner
Moderator
 
Join Date: Jan 2006
Location: Portland, OR
Posts: 4,750
Quote:
Originally Posted by Jamaika View Post
What surprises me when encoding VVC?
When I convert material already processed by HEVC, the VVC codec encodes much faster than source. However, do I see these differences in quality video for QP32? No
Do you mean you aren't seeing a subjective difference in quality at QP32 between HEVC and VVC?

Quote:
For me the big surprise is the AV1 MPEG-4.
What about it? There was a mapping for VP9 to MPEG-4 IIRC.

The MPEG-4 file format and systems layer are very mature with a huge ecosystem around it, and without codec-specific patent issues. The QuickTime file format that it was based on was extremely flexible. It's hard to imagine what value there would be in a whole new file format or systems layer that couldn't be better within or as extensions to MPEG-4.

For professional content, it's really all MPEG-4. MKV is the other format I see used some, but mainly for personal use, and I don't think there is anything MKV can do that MPEG-4 can't; it's more about the installed base of authoring tools and players for MKV. A generic MPEG-4 player wouldn't have the UI to use all the tracks and other info that could be in a MKV-parity MPEG-4 file, so having a different extension is helpful.
__________________
Ben Waggoner
Principal Video Specialist, Amazon Prime Video

My Compression Book
benwaggoner is offline   Reply With Quote