[FFmpeg-devel] [PATCH 3/3] vf_colorspace: Add support for smpte 431/432 (dci/display p3) primaries
Vittorio Giovara
vittorio.giovara at gmail.com
Sun Oct 30 09:07:46 EET 2016
Signed-off-by: Vittorio Giovara <vittorio.giovara at gmail.com>
---
I couldn't find any reference to the name of the whitepoint used for 431,
so I came up with DCI, since it looks like it is only used there.
Please CC.
Vittorio
libavfilter/vf_colorspace.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/libavfilter/vf_colorspace.c b/libavfilter/vf_colorspace.c
index 7e0bafa..4265aa1 100644
--- a/libavfilter/vf_colorspace.c
+++ b/libavfilter/vf_colorspace.c
@@ -56,6 +56,7 @@ enum Colorspace {
enum Whitepoint {
WP_D65,
WP_C,
+ WP_DCI,
WP_NB,
};
@@ -268,6 +269,7 @@ static const struct TransferCharacteristics *
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 },
};
static const struct ColorPrimaries color_primaries[AVCOL_PRI_NB] = {
@@ -276,6 +278,8 @@ 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_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_BT2020] = { WP_D65, 0.708, 0.292, 0.170, 0.797, 0.131, 0.046 },
};
@@ -1080,6 +1084,8 @@ static const AVOption colorspace_options[] = {
ENUM("bt470bg", AVCOL_PRI_BT470BG, "prm"),
ENUM("smpte170m", AVCOL_PRI_SMPTE170M, "prm"),
ENUM("smpte240m", AVCOL_PRI_SMPTE240M, "prm"),
+ ENUM("smpte431", AVCOL_PRI_SMPTE431, "prm"),
+ ENUM("smpte432", AVCOL_PRI_SMPTE432, "prm"),
ENUM("bt2020", AVCOL_PRI_BT2020, "prm"),
{ "trc", "Output transfer characteristics",
--
2.10.0
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