From 1345977f997611799c121dda9dee3870a6751421 Mon Sep 17 00:00:00 2001 From: Leo Izen Date: Sat, 23 Apr 2022 14:24:09 -0400 Subject: video/image_writer: add Jpeg XL screenshots Add Jpeg XL as a possible output format for screenshots, which should make it possible to take fast screenshots with much better quality than JPEG, or take lossless high-bit-depth screenshots with lower file sizes than PNG. --- DOCS/man/options.rst | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'DOCS') diff --git a/DOCS/man/options.rst b/DOCS/man/options.rst index 5d3cdecd32..6d3329061f 100644 --- a/DOCS/man/options.rst +++ b/DOCS/man/options.rst @@ -4204,6 +4204,7 @@ Screenshot :jpg: JPEG (default) :jpeg: JPEG (alias for jpg) :webp: WebP + :jxl: Jpeg XL ``--screenshot-tag-colorspace=`` Tag screenshots with the appropriate colorspace. @@ -4349,6 +4350,16 @@ Screenshot more CPU time. Note that this also affects the screenshot quality when used with lossy WebP files. The default is 4. +``--screenshot-jxl-distance=<0-15>`` + Set the Jpeg XL Butteraugli distance. Lower means better quality. Lossless + is 0.0, and 1.0 is approximately equivalent to JPEG quality 90 for + photographic content. Use 0.1 for "visually lossless" screenshots. The + default is 1.0. + +``--screenshot-jxl-effort=<1-9>`` + Set the Jpeg XL compression effort. Higher effort (usually) means better + compression, but takes more CPU time. The default is 3. + ``--screenshot-sw=`` Whether to use software rendering for screenshots (default: no). -- cgit v1.2.3