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authorPaul B Mahol <onemda@gmail.com>2015-12-31 11:15:10 +0100
committerPaul B Mahol <onemda@gmail.com>2015-12-31 11:44:18 +0100
commitb98c58573b0ecdbfe72059debbf26c53a7cfcfe5 (patch)
tree14884d6db669e8556746966a7abb59836e89999c
parent416090089909d19f2f6b80a15d6588242b7b8aa4 (diff)
downloadffmpeg-b98c58573b0ecdbfe72059debbf26c53a7cfcfe5.tar.gz
avfilter/avf_showspectrum: add fire color map
Signed-off-by: Paul B Mahol <onemda@gmail.com>
-rw-r--r--doc/filters.texi2
-rw-r--r--libavfilter/avf_showspectrum.c13
2 files changed, 14 insertions, 1 deletions
diff --git a/doc/filters.texi b/doc/filters.texi
index 2e52c44901..92931aa0c6 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -14621,6 +14621,8 @@ each channel is displayed using the rainbow color scheme
each channel is displayed using the moreland color scheme
@item nebulae
each channel is displayed using the nebulae color scheme
+@item fire
+each channel is displayed using the fire color scheme
@end table
Default value is @samp{channel}.
diff --git a/libavfilter/avf_showspectrum.c b/libavfilter/avf_showspectrum.c
index 227aff8d32..d1ac560169 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, NEBULAE, NB_CLMODES };
+enum ColorMode { CHANNEL, INTENSITY, RAINBOW, MORELAND, NEBULAE, FIRE, NB_CLMODES };
enum SlideMode { REPLACE, SCROLL, FULLFRAME, RSCROLL, NB_SLIDES };
enum Orientation { VERTICAL, HORIZONTAL, NB_ORIENTATIONS };
@@ -85,6 +85,7 @@ static const AVOption showspectrum_options[] = {
{ "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" },
+ { "fire", "fire based coloring", 0, AV_OPT_TYPE_CONST, {.i64=FIRE}, 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" },
@@ -154,6 +155,15 @@ static const struct ColorTable {
{ 0.77, 120/256., (105-128)/256., (188-128)/256. },
{ 0.87, 140/256., (105-128)/256., (188-128)/256. },
{ 1, 1, 0, 0 }},
+ [FIRE] = {
+ { 0, 0, 0, 0 },
+ { 0.23, 44/256., (132-128)/256., (127-128)/256. },
+ { 0.45, 62/256., (116-128)/256., (140-128)/256. },
+ { 0.57, 75/256., (105-128)/256., (152-128)/256. },
+ { 0.67, 95/256., (91-128)/256., (166-128)/256. },
+ { 0.77, 126/256., (74-128)/256., (172-128)/256. },
+ { 0.87, 164/256., (73-128)/256., (162-128)/256. },
+ { 1, 1, 0, 0 }},
};
static av_cold void uninit(AVFilterContext *ctx)
@@ -403,6 +413,7 @@ static int plot_spectrum_column(AVFilterLink *inlink, AVFrame *insamples)
case RAINBOW:
case MORELAND:
case NEBULAE:
+ case FIRE:
case INTENSITY:
uf = yf;
vf = yf;