From e202e515b7278e4b418df3ceafae3fdd2bd31128 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Fri, 20 Mar 2015 13:23:06 -0300 Subject: [PATCH] [media] vivid-tpg.c: fix wrong Bt.2020 coefficients Mistyping 0.2627 as 0.2726 I can understand, but -0.4598 as -0.4629? No idea how I managed that. Anyway, these coefficients are now correct again. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/vivid/vivid-tpg.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/vivid/vivid-tpg.c b/drivers/media/platform/vivid/vivid-tpg.c index 9656e4dbd5e7..cb766eb154e7 100644 --- a/drivers/media/platform/vivid/vivid-tpg.c +++ b/drivers/media/platform/vivid/vivid-tpg.c @@ -480,9 +480,9 @@ static void color_to_ycbcr(struct tpg_data *tpg, int r, int g, int b, { COEFF(0.5, 224), COEFF(-0.445, 224), COEFF(-0.055, 224) }, }; static const int bt2020[3][3] = { - { COEFF(0.2726, 219), COEFF(0.6780, 219), COEFF(0.0593, 219) }, + { COEFF(0.2627, 219), COEFF(0.6780, 219), COEFF(0.0593, 219) }, { COEFF(-0.1396, 224), COEFF(-0.3604, 224), COEFF(0.5, 224) }, - { COEFF(0.5, 224), COEFF(-0.4629, 224), COEFF(-0.0405, 224) }, + { COEFF(0.5, 224), COEFF(-0.4598, 224), COEFF(-0.0402, 224) }, }; bool full = tpg->real_quantization == V4L2_QUANTIZATION_FULL_RANGE; unsigned y_offset = full ? 0 : 16; -- 2.39.5