From 3883c9d1479d3e653bb66c9960fdd2ebd6ba9594 Mon Sep 17 00:00:00 2001
From: Paul B Mahol <onemda@gmail.com>
Date: Mon, 22 Jul 2019 21:19:34 +0200
Subject: [PATCH] avfilter/vf_ciescope: add DCI-P3

---
 doc/filters.texi          | 1 +
 libavfilter/vf_ciescope.c | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/doc/filters.texi b/doc/filters.texi
index 604e44d569..b48a0cda91 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -6685,6 +6685,7 @@ Set color system.
 @item cie1931
 @item rec709, hdtv
 @item uhdtv, rec2020
+@item dcip3
 @end table
 
 @item cie
diff --git a/libavfilter/vf_ciescope.c b/libavfilter/vf_ciescope.c
index 7c0cfed061..5a7c3d7b5d 100644
--- a/libavfilter/vf_ciescope.c
+++ b/libavfilter/vf_ciescope.c
@@ -46,6 +46,7 @@ enum ColorsSystems {
     CIE1931system,
     Rec709system,
     Rec2020system,
+    DCIP3,
     NB_CS
 };
 
@@ -87,6 +88,7 @@ static const AVOption ciescope_options[] = {
     {   "rec709",     "ITU.BT-709 Y'CbCr",      0, AV_OPT_TYPE_CONST, {.i64=Rec709system},   0, 0, FLAGS, "system" },
     {   "uhdtv",      "ITU-R.BT-2020",          0, AV_OPT_TYPE_CONST, {.i64=Rec2020system},  0, 0, FLAGS, "system" },
     {   "rec2020",    "ITU-R.BT-2020",          0, AV_OPT_TYPE_CONST, {.i64=Rec2020system},  0, 0, FLAGS, "system" },
+    {   "dcip3",      "DCI-P3",                 0, AV_OPT_TYPE_CONST, {.i64=DCIP3},          0, 0, FLAGS, "system" },
     { "cie",        "set cie system", OFFSET(cie), AV_OPT_TYPE_INT,   {.i64=XYY}, 0, NB_CIE-1, FLAGS, "cie" },
     {   "xyy",      "CIE 1931 xyY", 0, AV_OPT_TYPE_CONST, {.i64=XYY}, 0, 0, FLAGS, "cie" },
     {   "ucs",      "CIE 1960 UCS", 0, AV_OPT_TYPE_CONST, {.i64=UCS}, 0, 0, FLAGS, "cie" },
@@ -105,6 +107,7 @@ static const AVOption ciescope_options[] = {
     {   "rec709",   NULL, 0, AV_OPT_TYPE_CONST, {.i64=1<<Rec709system},    0, 0, FLAGS, "gamuts" },
     {   "uhdtv",    NULL, 0, AV_OPT_TYPE_CONST, {.i64=1<<Rec2020system},   0, 0, FLAGS, "gamuts" },
     {   "rec2020",  NULL, 0, AV_OPT_TYPE_CONST, {.i64=1<<Rec2020system},   0, 0, FLAGS, "gamuts" },
+    {   "dcip3",    NULL, 0, AV_OPT_TYPE_CONST, {.i64=1<<DCIP3},           0, 0, FLAGS, "gamuts" },
     { "size",       "set ciescope size", OFFSET(size), AV_OPT_TYPE_INT, {.i64=512}, 256, 8192, FLAGS },
     { "s",          "set ciescope size", OFFSET(size), AV_OPT_TYPE_INT, {.i64=512}, 256, 8192, FLAGS },
     { "intensity",  "set ciescope intensity", OFFSET(intensity), AV_OPT_TYPE_FLOAT, {.dbl=0.001}, 0, 1, FLAGS },
@@ -694,6 +697,10 @@ static const struct ColorSystem color_systems[] = {
         0.708,  0.292,  0.170,  0.797,  0.131,  0.046,
         D65, GAMMA_REC709
     },
+    [DCIP3] = {
+        0.680,  0.320,  0.265,  0.690,  0.150,  0.060,
+        0.314,  0.351, GAMMA_REC709
+    },
 };
 
 /*