From: "Tomas Härdin" <git@haerdin.se>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH 2/2] avcodec/jpeg2000dec: jpeg2000 has its own lowres option
Date: Sat, 24 Jun 2023 12:53:42 +0200
Message-ID: <fc5b67641b8fc62e8c6ed1d7f8c5ecdcb5efadfd.camel@haerdin.se> (raw)
In-Reply-To: <20230610183109.24802-2-michael@niedermayer.cc>
lör 2023-06-10 klockan 20:31 +0200 skrev Michael Niedermayer:
> jpeg2000 overrides the global lowres variable with a lowres field
> called reduction_factor
> ffmpeg -lowres X causes the reduction_factor to be set
> ffplay -lowres X causes both lowres and the reduction_factor to be
> set
> ossfuss sets only lowres
Why does jpeg2000dec have its own -lowres? Does lavc reset it somewhere
to where the decoder can't make use of the avctx-level setting?
/Tomas
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
next prev parent reply other threads:[~2023-06-24 10:53 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-10 18:31 [FFmpeg-devel] [PATCH 1/2] avcodec/jpeg2000dec: Check for reduction factor and image offset Michael Niedermayer
2023-06-10 18:31 ` [FFmpeg-devel] [PATCH 2/2] avcodec/jpeg2000dec: jpeg2000 has its own lowres option Michael Niedermayer
2023-06-24 10:53 ` Tomas Härdin [this message]
2023-06-24 17:54 ` Paul B Mahol
2023-06-24 20:46 ` Tomas Härdin
2023-06-24 20:56 ` James Almer
2023-09-04 19:00 ` Michael Niedermayer
2023-06-24 10:50 ` [FFmpeg-devel] [PATCH 1/2] avcodec/jpeg2000dec: Check for reduction factor and image offset Tomas Härdin
2023-06-24 19:51 ` Michael Niedermayer
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=fc5b67641b8fc62e8c6ed1d7f8c5ecdcb5efadfd.camel@haerdin.se \
--to=git@haerdin.se \
--cc=ffmpeg-devel@ffmpeg.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Git Inbox Mirror of the ffmpeg-devel mailing list - see https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
This inbox may be cloned and mirrored by anyone:
git clone --mirror https://master.gitmailbox.com/ffmpegdev/0 ffmpegdev/git/0.git
# If you have public-inbox 1.1+ installed, you may
# initialize and index your mirror using the following commands:
public-inbox-init -V2 ffmpegdev ffmpegdev/ https://master.gitmailbox.com/ffmpegdev \
ffmpegdev@gitmailbox.com
public-inbox-index ffmpegdev
Example config snippet for mirrors.
AGPL code for this site: git clone https://public-inbox.org/public-inbox.git