---
I don't have a sample for this, but I used the values found in mpv
(and I find the source very reliable about this).
Vittorio
libavfilter/vf_colorspace.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libavfilter/vf_colorspace.c b/libavfilter/vf_colorspace.c
index 0b1bc81f99..91fa4461f5 100644
--- a/libavfilter/vf_colorspace.c
+++ b/libavfilter/vf_colorspace.c
@@ -57,6 +57,7 @@ enum Whitepoint {
WP_D65,
WP_C,
WP_DCI,
+ WP_E,
WP_NB,
};
@@ -281,6 +282,7 @@ static const struct WhitepointCoefficients
whitepoint_coefficients[WP_NB] = {
[WP_D65] = { 0.3127, 0.3290 },
[WP_C] = { 0.3100, 0.3160 },
[WP_DCI] = { 0.3140, 0.3510 },
+ [WP_E] = { 1/3.0f, 1/3.0f },
};
static const struct ColorPrimaries color_primaries[AVCOL_PRI_NB] = {
@@ -289,6 +291,7 @@ static const struct ColorPrimaries
color_primaries[AVCOL_PRI_NB] = {
[AVCOL_PRI_BT470BG] = { WP_D65, 0.640, 0.330, 0.290, 0.600, 0.150,
0.060,},
[AVCOL_PRI_SMPTE170M] = { WP_D65, 0.630, 0.340, 0.310, 0.595, 0.155, 0.070
},
[AVCOL_PRI_SMPTE240M] = { WP_D65, 0.630, 0.340, 0.310, 0.595, 0.155, 0.070
},
+ [AVCOL_PRI_SMPTE428] = { WP_E, 0.735, 0.265, 0.274, 0.718, 0.167, 0.009
},
[AVCOL_PRI_SMPTE431] = { WP_DCI, 0.680, 0.320, 0.265, 0.690, 0.150, 0.060
},
[AVCOL_PRI_SMPTE432] = { WP_D65, 0.680, 0.320, 0.265, 0.690, 0.150, 0.060
},
[AVCOL_PRI_FILM] = { WP_C, 0.681, 0.319, 0.243, 0.692, 0.145, 0.049
},
@@ -1104,6 +1107,7 @@ static const AVOption colorspace_options[] = {
ENUM("bt470bg", AVCOL_PRI_BT470BG, "prm"),
ENUM("smpte170m", AVCOL_PRI_SMPTE170M, "prm"),
ENUM("smpte240m", AVCOL_PRI_SMPTE240M, "prm"),
+ ENUM("smpte248", AVCOL_PRI_SMPTE428, "prm"),
ENUM("film", AVCOL_PRI_FILM, "prm"),
ENUM("smpte431", AVCOL_PRI_SMPTE431, "prm"),
ENUM("smpte432", AVCOL_PRI_SMPTE432, "prm"),
@@ -1119,6 +1123,7 @@ static const AVOption colorspace_options[] = {
ENUM("gamma28", AVCOL_TRC_GAMMA28, "trc"),
ENUM("smpte170m", AVCOL_TRC_SMPTE170M, "trc"),
ENUM("smpte240m", AVCOL_TRC_SMPTE240M, "trc"),
+ ENUM("smpte428", AVCOL_TRC_SMPTE428, "trc"),
ENUM("srgb", AVCOL_TRC_IEC61966_2_1, "trc"),
ENUM("iec61966-2-1", AVCOL_TRC_IEC61966_2_1, "trc"),
ENUM("xvycc", AVCOL_TRC_IEC61966_2_4, "trc"),
--
2.12.0
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