From: Leo Izen <leo.izen@gmail.com>
To: ffmpeg-devel@ffmpeg.org
Cc: Leo Izen <leo.izen@gmail.com>
Subject: [FFmpeg-devel] [PATCH v3 0/3] PNG color tagging improvements
Date: Thu, 2 Feb 2023 10:09:35 -0500
Message-ID: <20230202150938.22297-1-leo.izen@gmail.com> (raw)
The first patch fixes a FATE issue with cICP and iCCP.
The second patch was discussed on IRC. I got a LGTM from Kasper, but sending to ML here and applying in a few days if there's no objections.
A few things discussed:
1) There's no need to expose the gamma table as another function as it's only used here.
2) This patch includes the patch on the ML sent as "avcodec/pngdec: warn when reading tv-range cICP chunks" which got a LGTM from Lynne on IRC. If this is applied that one has no need to be applied.
Changes from v2:
- Split off the gAMA chunk handling into a second patch at Andreas' suggestion.
Changes from v1:
- The second patch broke FATE because I didn't change the fate ref to accommodate the new metadata. I've since updated the fate reference.
Leo Izen (3):
avcodec/pngenc: avoid writing cICP when inappropriate
avcodec/pngdec: read colorspace info when decoding with AVDISCARD_ALL
avcodec/pngdec: populate enum transfer values from gAMA chunk
libavcodec/pngdec.c | 128 +++++++++++++++++++++--------------
libavcodec/pngenc.c | 21 ++++--
tests/ref/fate/png-icc | 8 +--
tests/ref/fate/png-side-data | 2 +-
4 files changed, 96 insertions(+), 63 deletions(-)
--
2.39.1
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next reply other threads:[~2023-02-02 15:09 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-02 15:09 Leo Izen [this message]
2023-02-02 15:09 ` [FFmpeg-devel] [PATCH v3 1/3] avcodec/pngenc: avoid writing cICP when inappropriate Leo Izen
2023-02-07 19:17 ` Leo Izen
2023-02-08 13:55 ` Leo Izen
2023-02-02 15:09 ` [FFmpeg-devel] [PATCH v3 2/3] avcodec/pngdec: read colorspace info when decoding with AVDISCARD_ALL Leo Izen
2023-02-05 3:47 ` Andreas Rheinhardt
2023-02-05 4:57 ` Leo Izen
2023-02-02 15:09 ` [FFmpeg-devel] [PATCH v3 3/3] avcodec/pngdec: populate enum transfer values from gAMA chunk Leo Izen
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