From 0f387f2b6265e963d9cfd71239da3d8afa854b86 Mon Sep 17 00:00:00 2001 From: Paul B Mahol Date: Wed, 30 Dec 2015 21:20:16 +0100 Subject: [PATCH] avfilter/avf_showspectrum: add nebulae color map Signed-off-by: Paul B Mahol --- doc/filters.texi | 2 ++ libavfilter/avf_showspectrum.c | 13 ++++++++++++- 2 files changed, 14 insertions(+), 1 deletion(-) diff --git a/doc/filters.texi b/doc/filters.texi index 9fca4a1211..2e52c44901 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -14619,6 +14619,8 @@ each channel is displayed using the same color scheme each channel is displayed using the rainbow color scheme @item moreland each channel is displayed using the moreland color scheme +@item nebulae +each channel is displayed using the nebulae color scheme @end table Default value is @samp{channel}. diff --git a/libavfilter/avf_showspectrum.c b/libavfilter/avf_showspectrum.c index fbb0f78dec..227aff8d32 100644 --- a/libavfilter/avf_showspectrum.c +++ b/libavfilter/avf_showspectrum.c @@ -37,7 +37,7 @@ enum DisplayMode { COMBINED, SEPARATE, NB_MODES }; enum DisplayScale { LINEAR, SQRT, CBRT, LOG, NB_SCALES }; -enum ColorMode { CHANNEL, INTENSITY, RAINBOW, MORELAND, NB_CLMODES }; +enum ColorMode { CHANNEL, INTENSITY, RAINBOW, MORELAND, NEBULAE, NB_CLMODES }; enum SlideMode { REPLACE, SCROLL, FULLFRAME, RSCROLL, NB_SLIDES }; enum Orientation { VERTICAL, HORIZONTAL, NB_ORIENTATIONS }; @@ -84,6 +84,7 @@ static const AVOption showspectrum_options[] = { { "intensity", "intensity based coloring", 0, AV_OPT_TYPE_CONST, {.i64=INTENSITY}, 0, 0, FLAGS, "color" }, { "rainbow", "rainbow based coloring", 0, AV_OPT_TYPE_CONST, {.i64=RAINBOW}, 0, 0, FLAGS, "color" }, { "moreland", "moreland based coloring", 0, AV_OPT_TYPE_CONST, {.i64=MORELAND}, 0, 0, FLAGS, "color" }, + { "nebulae", "nebulae based coloring", 0, AV_OPT_TYPE_CONST, {.i64=NEBULAE}, 0, 0, FLAGS, "color" }, { "scale", "set display scale", OFFSET(scale), AV_OPT_TYPE_INT, {.i64=SQRT}, LINEAR, NB_SCALES-1, FLAGS, "scale" }, { "sqrt", "square root", 0, AV_OPT_TYPE_CONST, {.i64=SQRT}, 0, 0, FLAGS, "scale" }, { "cbrt", "cubic root", 0, AV_OPT_TYPE_CONST, {.i64=CBRT}, 0, 0, FLAGS, "scale" }, @@ -144,6 +145,15 @@ static const struct ColorTable { { 0.73, 177/256., (103-128)/256., (165-128)/256. }, { 0.86, 136/256., (100-128)/256., (183-128)/256. }, { 1, 68/256., (117-128)/256., (203-128)/256. }}, + [NEBULAE] = { + { 0, 10/256., (134-128)/256., (132-128)/256. }, + { 0.23, 21/256., (137-128)/256., (130-128)/256. }, + { 0.45, 35/256., (134-128)/256., (134-128)/256. }, + { 0.57, 51/256., (130-128)/256., (139-128)/256. }, + { 0.67, 104/256., (116-128)/256., (162-128)/256. }, + { 0.77, 120/256., (105-128)/256., (188-128)/256. }, + { 0.87, 140/256., (105-128)/256., (188-128)/256. }, + { 1, 1, 0, 0 }}, }; static av_cold void uninit(AVFilterContext *ctx) @@ -392,6 +402,7 @@ static int plot_spectrum_column(AVFilterLink *inlink, AVFrame *insamples) switch (s->color_mode) { case RAINBOW: case MORELAND: + case NEBULAE: case INTENSITY: uf = yf; vf = yf;