From 78dff2f7ec405d423da4431fc873cd5182e594c8 Mon Sep 17 00:00:00 2001 From: Leigh Scott Date: Fri, 7 Jun 2019 22:24:42 +0100 Subject: Adapt patch from videolan mailing list https://mailman.videolan.org/pipermail/vlc-devel/2019-May/124293.html --- .../video_output/opengl/fragment_shaders.c | 6 +++++ modules/video_output/opengl/vout_helper.h | 27 +++++++++++++++++-- 2 files changed, 31 insertions(+), 2 deletions(-) diff --git a/modules/video_output/opengl/fragment_shaders.c b/modules/video_output/opengl/fragment_shaders.c index 8c1f67ee7a..f6fb2be6c5 100644 --- a/modules/video_output/opengl/fragment_shaders.c +++ b/modules/video_output/opengl/fragment_shaders.c @@ -616,7 +616,13 @@ opengl_fragment_shader_init_impl(opengl_tex_converter_t *tc, GLenum tex_target, color_params.intent = var_InheritInteger(tc->gl, "rendering-intent"); color_params.tone_mapping_algo = var_InheritInteger(tc->gl, "tone-mapping"); color_params.tone_mapping_param = var_InheritFloat(tc->gl, "tone-mapping-param"); +# if PL_API_VER >= 10 + color_params.desaturation_strength = var_InheritFloat(tc->gl, "desat-strength"); + color_params.desaturation_exponent = var_InheritFloat(tc->gl, "desat-exponent"); + color_params.desaturation_base = var_InheritFloat(tc->gl, "desat-base"); +# else color_params.tone_mapping_desaturate = var_InheritFloat(tc->gl, "tone-mapping-desat"); +# endif color_params.gamut_warning = var_InheritBool(tc->gl, "tone-mapping-warn"); struct pl_color_space dst_space = pl_color_space_unknown; diff --git a/modules/video_output/opengl/vout_helper.h b/modules/video_output/opengl/vout_helper.h index 978669f89c..cfc256530e 100644 --- a/modules/video_output/opengl/vout_helper.h +++ b/modules/video_output/opengl/vout_helper.h @@ -148,6 +148,15 @@ static const char * const tone_text[] = { #define TONEMAP_DESAT_TEXT "Tone-mapping desaturation coefficient" #define TONEMAP_DESAT_LONGTEXT "How strongly to desaturate overbright colors towards white. 0.0 disables this behavior." +#define DESAT_STRENGTH_TEXT "Desaturation strength" +#define DESAT_STRENGTH_LONGTEXT "How strongly to desaturate bright spectral colors towards white. 0.0 disables this behavior, 1.0 enables full desaturation (hollywood-style)" + +#define DESAT_EXPONENT_TEXT "Desaturation exponent" +#define DESAT_EXPONENT_LONGTEXT "Controls the steepness of the desaturation curve. If you set this to 0.0, the curve will be flat, i.e. desaturation always enabled (hollywood-style)." + +#define DESAT_BASE_TEXT "Desaturation base" +#define DESAT_BASE_LONGTEXT "Controls the starting offset of the desaturation curve. Brightness values below this base will always be colorimetrically tone mapped (never desaturated)." + #define TONEMAP_WARN_TEXT "Highlight clipped pixels" #define TONEMAP_WARN_LONGTEXT "Debugging tool to indicate which pixels were clipped as part of the tone mapping process." @@ -171,6 +180,21 @@ static const char * const dither_text[] = { #define DEPTH_TEXT "Dither depth override (0 = framebuffer depth)" #define DEPTH_LONGTEXT "Overrides the detected framebuffer depth. Useful to dither to lower bit depths than otherwise required." + +#if PL_API_VER >= 10 +#define add_desat_params() \ + add_float("desat-strength", pl_color_map_default_params.desaturation_strength, \ + DESAT_STRENGTH_TEXT, DESAT_STRENGTH_LONGTEXT, false) \ + add_float("desat-exponent", pl_color_map_default_params.desaturation_exponent, \ + DESAT_EXPONENT_TEXT, DESAT_EXPONENT_LONGTEXT, false) \ + add_float("desat-base", pl_color_map_default_params.desaturation_base, \ + DESAT_BASE_TEXT, DESAT_BASE_LONGTEXT, false) +#else +#define add_desat_params() \ + add_float("tone-mapping-desat", pl_color_map_default_params.tone_mapping_desaturate, \ + TONEMAP_DESAT_TEXT, TONEMAP_DESAT_LONGTEXT, false) +#endif + #define add_glopts_placebo() \ set_section("Colorspace conversion", NULL) \ add_integer("rendering-intent", pl_color_map_default_params.intent, \ @@ -184,10 +208,9 @@ static const char * const dither_text[] = { add_integer("tone-mapping", PL_TONE_MAPPING_HABLE, \ TONEMAPPING_TEXT, TONEMAPPING_LONGTEXT, false) \ change_integer_list(tone_values, tone_text) \ + add_desat_params() \ add_float("tone-mapping-param", pl_color_map_default_params.tone_mapping_param, \ TONEMAP_PARAM_TEXT, TONEMAP_PARAM_LONGTEXT, true) \ - add_float("tone-mapping-desat", pl_color_map_default_params.tone_mapping_desaturate, \ - TONEMAP_DESAT_TEXT, TONEMAP_DESAT_LONGTEXT, false) \ add_bool("tone-mapping-warn", false, TONEMAP_WARN_TEXT, TONEMAP_WARN_LONGTEXT, false) \ set_section("Dithering", NULL) \ add_integer("dither-algo", -1, DITHER_TEXT, DITHER_LONGTEXT, false) \ -- 2.21.0