PR #21712 opened by Kacper Michajłow (kasper93) URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21712 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21712.patch
Fixes peak detection for samples like in https://github.com/haasn/libplacebo/issues/358 This might introduce flickering on some other samples, but was agreed upstream that they are better overall. From c64ef613acbdc1ad6f325eec0024f0d57a1e0704 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Kacper=20Michaj=C5=82ow?= <[email protected]> Date: Tue, 10 Feb 2026 18:21:23 +0100 Subject: [PATCH] vf_libplacebo: sync peak detection parameters with upstream MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fixes peak detection for samples like in https://github.com/haasn/libplacebo/issues/358 This might introduce flickering on some other samples, but was agreed upstream that they are better overall. Signed-off-by: Kacper Michajłow <[email protected]> --- libavfilter/vf_libplacebo.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/libavfilter/vf_libplacebo.c b/libavfilter/vf_libplacebo.c index e355f658f7..0f0a9addfb 100644 --- a/libavfilter/vf_libplacebo.c +++ b/libavfilter/vf_libplacebo.c @@ -1755,9 +1755,9 @@ static const AVOption libplacebo_options[] = { { "temperature", "Color temperature adjustment (kelvin)", OFFSET(temperature), AV_OPT_TYPE_FLOAT, {.dbl = 6500.0}, 1667.0, 25000.0, DYNAMIC }, { "peak_detect", "Enable dynamic peak detection for HDR tone-mapping", OFFSET(peakdetect), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, DYNAMIC }, - { "smoothing_period", "Peak detection smoothing period", OFFSET(smoothing), AV_OPT_TYPE_FLOAT, {.dbl = 100.0}, 0.0, 1000.0, DYNAMIC }, - { "scene_threshold_low", "Scene change low threshold", OFFSET(scene_low), AV_OPT_TYPE_FLOAT, {.dbl = 5.5}, -1.0, 100.0, DYNAMIC }, - { "scene_threshold_high", "Scene change high threshold", OFFSET(scene_high), AV_OPT_TYPE_FLOAT, {.dbl = 10.0}, -1.0, 100.0, DYNAMIC }, + { "smoothing_period", "Peak detection smoothing period", OFFSET(smoothing), AV_OPT_TYPE_FLOAT, {.dbl = 20.0}, 0.0, 1000.0, DYNAMIC }, + { "scene_threshold_low", "Scene change low threshold", OFFSET(scene_low), AV_OPT_TYPE_FLOAT, {.dbl = 1.0}, -1.0, 100.0, DYNAMIC }, + { "scene_threshold_high", "Scene change high threshold", OFFSET(scene_high), AV_OPT_TYPE_FLOAT, {.dbl = 3.0}, -1.0, 100.0, DYNAMIC }, { "percentile", "Peak detection percentile", OFFSET(percentile), AV_OPT_TYPE_FLOAT, {.dbl = 99.995}, 0.0, 100.0, DYNAMIC }, { "gamut_mode", "Gamut-mapping mode", OFFSET(gamut_mode), AV_OPT_TYPE_INT, {.i64 = GAMUT_MAP_PERCEPTUAL}, 0, GAMUT_MAP_COUNT - 1, DYNAMIC, .unit = "gamut_mode" }, -- 2.52.0 _______________________________________________ ffmpeg-devel mailing list -- [email protected] To unsubscribe send an email to [email protected]
