[FFmpeg-trac] #7600(avcodec:reopened): Add lossless option to libaom-av1

FFmpeg trac at avcodec.org
Sat Mar 20 20:46:43 EET 2021


#7600: Add lossless option to libaom-av1
-------------------------------------+------------------------------------
             Reporter:  Ewout        |                    Owner:
                 Type:  enhancement  |                   Status:  reopened
             Priority:  wish         |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  libaom       |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+------------------------------------

Comment (by Balling):

 Seriously?? So I was right!
 https://patchwork.ffmpeg.org/project/ffmpeg/patch/CAB0OVGrR6T77qr2T1yeqrKqk6DU4Tp9ndxxxTwyp2e2y8dQmbA@mail.gmail.com/

 Again, please apply normal patch, not these hacks "saw the earlier
 comments around using crf=0 as the trigger for this"! Internally, google
 API thinks there should be

 https://patchwork.ffmpeg.org/project/ffmpeg/patch/20200408001341.65204-2-ryo.hirafuji@gmail.com/#55201

 He says that it is not new that lossless is broken!

 https://ffmpeg.org/pipermail/ffmpeg-user/2020-June/048885.html

 That is indeed blocking, VERY blocking for AVIF!

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Ticket URL: <https://trac.ffmpeg.org/ticket/7600#comment:21>
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