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vo_gpu: match libplacebo peak detection defaults
This probably makes `vo_gpu` tone mapping worse, or something, but who cares. The status quo for a while now has been to use `vo_gpu_next` if you care about HDR rendering at all. See-Also: haasn/libplacebo@ec60dd156b See-Also: haasn/libplacebo@0903cbd05d
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@ -69,6 +69,8 @@ Interface changes
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- change `--dither-depth` to `auto`
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- deprecate `--profile=gpu-hq`, add `--profile=<fast|high-quality>`
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- change `--dscale` default to `hermite`
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- update defaults to `--hdr-peak-decay-rate=20`, `--hdr-scene-threshold-low=1.0`,
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`--hdr-scene-threshold-high=3.0`
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--- mpv 0.36.0 ---
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- add `--target-contrast`
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- Target luminance value is now also applied when ICC profile is used.
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@ -6735,7 +6735,7 @@ them.
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come with a small performance penalty. (Only for ``--vo=gpu-next``)
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``--hdr-peak-decay-rate=<0.0..1000.0>``
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The decay rate used for the HDR peak detection algorithm (default: 100.0).
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The decay rate used for the HDR peak detection algorithm (default: 20.0).
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This is only relevant when ``--hdr-compute-peak`` is enabled. Higher values
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make the peak decay more slowly, leading to more stable values at the cost
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of more "eye adaptation"-like effects (although this is mitigated somewhat
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@ -6747,7 +6747,7 @@ them.
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``--hdr-scene-threshold-low=<0.0..100.0>``, ``--hdr-scene-threshold-high=<0.0..100.0>``
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The lower and upper thresholds (in dB) for a brightness difference
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to be considered a scene change (default: 5.5 low, 10.0 high). This is only
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to be considered a scene change (default: 1.0 low, 3.0 high). This is only
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relevant when ``--hdr-compute-peak`` is enabled. Normally, small
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fluctuations in the frame brightness are compensated for by the peak
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averaging mechanism, but for large jumps in the brightness this can result
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@ -323,9 +323,9 @@ static const struct gl_video_opts gl_video_opts_def = {
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.curve = TONE_MAPPING_AUTO,
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.curve_param = NAN,
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.max_boost = 1.0,
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.decay_rate = 100.0,
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.scene_threshold_low = 5.5,
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.scene_threshold_high = 10.0,
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.decay_rate = 20.0,
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.scene_threshold_low = 1.0,
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.scene_threshold_high = 3.0,
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.contrast_smoothness = 3.5,
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},
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.early_flush = -1,
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