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Old 19th February 2024, 21:17   #61  |  Link
benwaggoner
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Quote:
Originally Posted by ksec View Post
VVC 1.0 was standardised in June 2020 at the time it was VTM 9. But in reality it was 2.0 in 2022 April with all compliance and standard test ready. Which at the time it was VTM 16.

I think FVC / ECM 11 right now is much closer to VTM 9 / VVC 1.0 stage. And in terms of Next Gen Codec, this is by far the earliest reach by historic standard. Part of me think that is due to COVID and researcher got insane productivity while being stuck at home.

I still remember I was impressed by VVC during VTM development, well turns out we squeeze another ~30% BD-Rate out of it within 2-3 years time.
Codec developers have been worried we're running out of ideas for decades. But it never quite seems to happen, thank goodness. And thank Moore's Law allowing us to keep on increasing decode compute requirements some and encode compute requirements a bunch.

Quote:
But on the other hand it will likely be the first codec that requires hardware decoder to work.
You think? Not having a software decoder for testing would add a lot of friction. Hopefully at least it could be done in a GPU accelerated implementation so we can get work done before HW decoders are available.
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Old 23rd February 2024, 18:55   #62  |  Link
Jamaika
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Join Date: Jul 2015
Posts: 688
Intra Block Copy VVC errors have been corrected. Videos can be played.
Converting VTM videos requires adding framerate (-r). Video still stutters bit.
https://github.com/ffvvc/FFmpeg/pull/198
Code:
In function 'prepare_intra_edge_params_8',
    inlined from 'intra_pred_8' at extra/vvc_intra_template.c:627:5:
extra/vvc_intra_template.c:535:21: warning: writing 16 bytes into a region of size 0 [-Wstringop-overflow=]
  535 |             left[i] = top[i] = left[0];
      |             ~~~~~~~~^~~~~~~~~~~~~~~~~~
extra/vvc_intra_template.c: In function 'intra_pred_8':
extra/vvc_intra_template.c:625:21: note: at offset -105 into destination object 'edge' of size 3136
  625 |     IntraEdgeParams edge;
      |                     ^~~~
https://www.sendspace.com/file/f2zj4b

Last edited by Jamaika; 23rd February 2024 at 18:58.
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