From ed58db4237c86eff4da25f4fb19f0f0927ca1d57 Mon Sep 17 00:00:00 2001 From: Paul B Mahol Date: Wed, 7 Nov 2018 17:55:34 +0100 Subject: avfilter/avf_showspectrum: add viridis color map --- libavfilter/avf_showspectrum.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) (limited to 'libavfilter/avf_showspectrum.c') diff --git a/libavfilter/avf_showspectrum.c b/libavfilter/avf_showspectrum.c index 6bbacd0be1..242577a829 100644 --- a/libavfilter/avf_showspectrum.c +++ b/libavfilter/avf_showspectrum.c @@ -46,7 +46,7 @@ enum DisplayMode { COMBINED, SEPARATE, NB_MODES }; enum DataMode { D_MAGNITUDE, D_PHASE, NB_DMODES }; enum DisplayScale { LINEAR, SQRT, CBRT, LOG, FOURTHRT, FIFTHRT, NB_SCALES }; -enum ColorMode { CHANNEL, INTENSITY, RAINBOW, MORELAND, NEBULAE, FIRE, FIERY, FRUIT, COOL, MAGMA, GREEN, NB_CLMODES }; +enum ColorMode { CHANNEL, INTENSITY, RAINBOW, MORELAND, NEBULAE, FIRE, FIERY, FRUIT, COOL, MAGMA, GREEN, VIRIDIS, NB_CLMODES }; enum SlideMode { REPLACE, SCROLL, FULLFRAME, RSCROLL, NB_SLIDES }; enum Orientation { VERTICAL, HORIZONTAL, NB_ORIENTATIONS }; @@ -123,6 +123,7 @@ static const AVOption showspectrum_options[] = { { "cool", "cool based coloring", 0, AV_OPT_TYPE_CONST, {.i64=COOL}, 0, 0, FLAGS, "color" }, { "magma", "magma based coloring", 0, AV_OPT_TYPE_CONST, {.i64=MAGMA}, 0, 0, FLAGS, "color" }, { "green", "green based coloring", 0, AV_OPT_TYPE_CONST, {.i64=GREEN}, 0, 0, FLAGS, "color" }, + { "viridis", "viridis based coloring", 0, AV_OPT_TYPE_CONST, {.i64=VIRIDIS}, 0, 0, FLAGS, "color" }, { "scale", "set display scale", OFFSET(scale), AV_OPT_TYPE_INT, {.i64=SQRT}, LINEAR, NB_SCALES-1, FLAGS, "scale" }, { "lin", "linear", 0, AV_OPT_TYPE_CONST, {.i64=LINEAR}, 0, 0, FLAGS, "scale" }, { "sqrt", "square root", 0, AV_OPT_TYPE_CONST, {.i64=SQRT}, 0, 0, FLAGS, "scale" }, @@ -254,6 +255,15 @@ static const struct ColorTable { { 0, 0, 0, 0 }, { .75, .5, 0, -.5 }, { 1, 1, 0, 0 }}, + [VIRIDIS] = { + { 0, 0, 0, 0 }, + { 0.10, 0x39/255., (0x9D -128)/255., (0x8F -128)/255. }, + { 0.23, 0x5C/255., (0x9A -128)/255., (0x68 -128)/255. }, + { 0.35, 0x69/255., (0x93 -128)/255., (0x57 -128)/255. }, + { 0.48, 0x76/255., (0x88 -128)/255., (0x4B -128)/255. }, + { 0.64, 0x8A/255., (0x72 -128)/255., (0x4F -128)/255. }, + { 0.80, 0xA3/255., (0x50 -128)/255., (0x66 -128)/255. }, + { 1, 0xCC/255., (0x2F -128)/255., (0x87 -128)/255. }}, }; static av_cold void uninit(AVFilterContext *ctx) @@ -483,6 +493,7 @@ static void color_range(ShowSpectrumContext *s, int ch, case FRUIT: case COOL: case GREEN: + case VIRIDIS: case MAGMA: case INTENSITY: *uf = *yf; @@ -1397,6 +1408,7 @@ static const AVOption showspectrumpic_options[] = { { "cool", "cool based coloring", 0, AV_OPT_TYPE_CONST, {.i64=COOL}, 0, 0, FLAGS, "color" }, { "magma", "magma based coloring", 0, AV_OPT_TYPE_CONST, {.i64=MAGMA}, 0, 0, FLAGS, "color" }, { "green", "green based coloring", 0, AV_OPT_TYPE_CONST, {.i64=GREEN}, 0, 0, FLAGS, "color" }, + { "viridis", "viridis based coloring", 0, AV_OPT_TYPE_CONST, {.i64=VIRIDIS}, 0, 0, FLAGS, "color" }, { "scale", "set display scale", OFFSET(scale), AV_OPT_TYPE_INT, {.i64=LOG}, 0, NB_SCALES-1, FLAGS, "scale" }, { "lin", "linear", 0, AV_OPT_TYPE_CONST, {.i64=LINEAR}, 0, 0, FLAGS, "scale" }, { "sqrt", "square root", 0, AV_OPT_TYPE_CONST, {.i64=SQRT}, 0, 0, FLAGS, "scale" }, -- cgit v1.2.3