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sharpyuv: cleanup/cosmetic changes

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Remove unused constants.
Use ALL_CAPS for defines and kCamelCase for static const values.
Change some defines into static constants if they are not used in array sizes.

Change-Id: I036b0f99215fd0414a33f099bd6b809ff8ee4541
This commit is contained in:
Maryla
2022-05-09 14:25:27 +02:00
parent dc3841e077
commit 0c8b0e67a4
3 changed files with 56 additions and 76 deletions
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36
sharpyuv/sharpyuv_csp.c
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@ -28,35 +28,35 @@ void SharpYuvComputeConversionMatrix(const SharpYuvColorSpace* yuv_color_space,
const int shift = yuv_color_space->bits - 8;
const float denom = (float)((1 << yuv_color_space->bits) - 1);
float scaleY = 1.0f;
float scale_y = 1.0f;
float addY = 0.0f;
float scaleU = cr;
float scaleV = cb;
float addUV = (float)(128 << shift);
float scale_u = cr;
float scale_v = cb;
float add_uv = (float)(128 << shift);
assert(yuv_color_space->bits >= 8);
if (yuv_color_space->range == kSharpYuvRangeLimited) {
scaleY *= (219 << shift) / denom;
scaleU *= (224 << shift) / denom;
scaleV *= (224 << shift) / denom;
scale_y *= (219 << shift) / denom;
scale_u *= (224 << shift) / denom;
scale_v *= (224 << shift) / denom;
addY = (float)(16 << shift);
}
matrix->rgb_to_y[0] = ToFixed16(kr * scaleY);
matrix->rgb_to_y[1] = ToFixed16(kg * scaleY);
matrix->rgb_to_y[2] = ToFixed16(kb * scaleY);
matrix->rgb_to_y[0] = ToFixed16(kr * scale_y);
matrix->rgb_to_y[1] = ToFixed16(kg * scale_y);
matrix->rgb_to_y[2] = ToFixed16(kb * scale_y);
matrix->rgb_to_y[3] = ToFixed16(addY);
matrix->rgb_to_u[0] = ToFixed16(-kr * scaleU);
matrix->rgb_to_u[1] = ToFixed16(-kg * scaleU);
matrix->rgb_to_u[2] = ToFixed16((1 - kb) * scaleU);
matrix->rgb_to_u[3] = ToFixed16(addUV);
matrix->rgb_to_u[0] = ToFixed16(-kr * scale_u);
matrix->rgb_to_u[1] = ToFixed16(-kg * scale_u);
matrix->rgb_to_u[2] = ToFixed16((1 - kb) * scale_u);
matrix->rgb_to_u[3] = ToFixed16(add_uv);
matrix->rgb_to_v[0] = ToFixed16((1 - kr) * scaleV);
matrix->rgb_to_v[1] = ToFixed16(-kg * scaleV);
matrix->rgb_to_v[2] = ToFixed16(-kb * scaleV);
matrix->rgb_to_v[3] = ToFixed16(addUV);
matrix->rgb_to_v[0] = ToFixed16((1 - kr) * scale_v);
matrix->rgb_to_v[1] = ToFixed16(-kg * scale_v);
matrix->rgb_to_v[2] = ToFixed16(-kb * scale_v);
matrix->rgb_to_v[3] = ToFixed16(add_uv);
}
// Matrices are in YUV_FIX fixed point precision.