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image_writer: default to lossless AVIF screenshots 

Also change the example to crf=23. crf=32 is pretty bad quality, don't
give users bad usage ideas.
This commit is contained in:
Kacper Michajłow 2023-12-03 18:51:36 +01:00 committed by sfan5
parent fca3e60827
commit 06e627048f
3 changed files with 5 additions and 5 deletions
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1
DOCS/interface-changes.rst
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@ -32,6 +32,7 @@ Interface changes
`--sub-delay` `--sub-delay`
- add the `--osd-bar-border-size` option - add the `--osd-bar-border-size` option
- `--screenshot-avif-pixfmt` no longer defaults to yuv420p - `--screenshot-avif-pixfmt` no longer defaults to yuv420p
- `--screenshot-avif-opts` defaults to lossless screenshot
--- mpv 0.37.0 --- --- mpv 0.37.0 ---
- `--save-position-on-quit` and its associated commands now store state files - `--save-position-on-quit` and its associated commands now store state files
in %LOCALAPPDATA% instead of %APPDATA% directory by default on Windows. in %LOCALAPPDATA% instead of %APPDATA% directory by default on Windows.

6
DOCS/man/options.rst
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@ -4566,7 +4566,7 @@ Screenshot
Specifies libavcodec options for selected encoder. For more information, Specifies libavcodec options for selected encoder. For more information,
consult the FFmpeg documentation. consult the FFmpeg documentation.
Default: ``usage=allintra,crf=32,cpu-used=8,tune=ssim`` Default: ``usage=allintra,crf=0,cpu-used=8``
Note: the default is only guaranteed to work with the libaom-av1 encoder. Note: the default is only guaranteed to work with the libaom-av1 encoder.
Above options may not be valid and or optimal for other encoders. Above options may not be valid and or optimal for other encoders.
@ -4575,8 +4575,8 @@ Screenshot
.. admonition:: Example .. admonition:: Example
"``--screenshot-avif-opts=crf=32,aq-mode=complexity``" "``--screenshot-avif-opts=crf=23,aq-mode=complexity``"
sets the crf to 32 and quantization (aq-mode) to complexity based. sets the crf to 23 and quantization (aq-mode) to complexity based.
``--screenshot-sw=<yes|no>`` ``--screenshot-sw=<yes|no>``
Whether to use software rendering for screenshots (default: no). Whether to use software rendering for screenshots (default: no).

3
video/image_writer.c
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@ -61,9 +61,8 @@ const struct image_writer_opts image_writer_opts_defaults = {
.avif_encoder = "libaom-av1", .avif_encoder = "libaom-av1",
.avif_opts = (char*[]){ .avif_opts = (char*[]){
"usage", "allintra", "usage", "allintra",
"crf", "32", "crf", "0",
"cpu-used", "8", "cpu-used", "8",
"tune", "ssim",
NULL NULL
}, },
.tag_csp = true, .tag_csp = true,