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Update YUV444p12 to be Rec. 709, studio swing.

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Steven Robertson 2017-04-20 17:42:08 -07:00
parent f64cf79d8d
commit 96585e2ca5
1 changed files with 5 additions and 5 deletions
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10
cuburn/code/output.py
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@ -189,8 +189,8 @@ __global__ void f32_to_yuv420p10(
rctxs[rb_incr(rb->tail, tid)] = rctx; rctxs[rb_incr(rb->tail, tid)] = rctx;
} }
// Convert from rgb444 to planar YUV 10-bit, using JPEG full-range primaries. // Convert from rgb444 to planar YUV 12-bit studio swing,
// TODO(strobe): Share more code. // using the Rec. 709 matrix.
__global__ void f32_to_yuv444p12( __global__ void f32_to_yuv444p12(
uint16_t *dst, const float4 *src, uint16_t *dst, const float4 *src,
int gutter, int dstride, int sstride, int height, int gutter, int dstride, int sstride, int height,
@ -209,9 +209,9 @@ __global__ void f32_to_yuv444p12(
in.y = fminf(1.0f, fmaxf(0.0f, in.y)); in.y = fminf(1.0f, fmaxf(0.0f, in.y));
in.z = fminf(1.0f, fmaxf(0.0f, in.z)); in.z = fminf(1.0f, fmaxf(0.0f, in.z));
ushort3 out = make_ushort3( ushort3 out = make_ushort3(
dclampf(rctx, 4095.0f, 0.299f * in.x + 0.587f * in.y + 0.114f * in.z), dclampf(rctx, 3504.0f, 0.2126f * in.x + 0.7152f * in.y + 0.0722f * in.z) + 256.0f,
dclampf(rctx, 4095.0f, -0.168736f * in.x - 0.331264f * in.y + 0.5f * in.z + 0.5f), dclampf(rctx, 3584.0f, -0.11457f * in.x - 0.38543f * in.y + 0.5f * in.z + 0.5f) + 256.0f,
dclampf(rctx, 4095.0f, 0.5f * in.x - 0.418688f * in.y - 0.081312f * in.z + 0.5f) dclampf(rctx, 3584.0f, 0.5f * in.x - 0.45416f * in.y - 0.04585f * in.z + 0.5f) + 256.0f
); );
int idst = dstride * y + x; int idst = dstride * y + x;