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lavfi/colorspace: Add namespace prefix to global functions

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This commit is contained in:
Mark Thompson 2018-06-23 17:51:14 +01:00
parent 07987404a8
commit 46fb150a81
4 changed files with 28 additions and 25 deletions
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13
libavfilter/colorspace.c
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@ -20,7 +20,7 @@
#include "colorspace.h"
void invert_matrix3x3(const double in[3][3], double out[3][3])
void ff_matrix_invert_3x3(const double in[3][3], double out[3][3])
{
double m00 = in[0][0], m01 = in[0][1], m02 = in[0][2],
m10 = in[1][0], m11 = in[1][1], m12 = in[1][2],
@ -47,7 +47,8 @@ void invert_matrix3x3(const double in[3][3], double out[3][3])
}
}
void mul3x3(double dst[3][3], const double src1[3][3], const double src2[3][3])
void ff_matrix_mul_3x3(double dst[3][3],
const double src1[3][3], const double src2[3][3])
{
int m, n;
@ -60,9 +61,9 @@ void mul3x3(double dst[3][3], const double src1[3][3], const double src2[3][3])
/*
* see e.g. http://www.brucelindbloom.com/index.html?Eqn_RGB_XYZ_Matrix.html
*/
void fill_rgb2xyz_table(const struct PrimaryCoefficients *coeffs,
const struct WhitepointCoefficients *wp,
double rgb2xyz[3][3])
void ff_fill_rgb2xyz_table(const struct PrimaryCoefficients *coeffs,
const struct WhitepointCoefficients *wp,
double rgb2xyz[3][3])
{
double i[3][3], sr, sg, sb, zw;
@ -73,7 +74,7 @@ void fill_rgb2xyz_table(const struct PrimaryCoefficients *coeffs,
rgb2xyz[2][0] = (1.0 - coeffs->xr - coeffs->yr) / coeffs->yr;
rgb2xyz[2][1] = (1.0 - coeffs->xg - coeffs->yg) / coeffs->yg;
rgb2xyz[2][2] = (1.0 - coeffs->xb - coeffs->yb) / coeffs->yb;
invert_matrix3x3(rgb2xyz, i);
ff_matrix_invert_3x3(rgb2xyz, i);
zw = 1.0 - wp->xw - wp->yw;
sr = i[0][0] * wp->xw + i[0][1] * wp->yw + i[0][2] * zw;
sg = i[1][0] * wp->xw + i[1][1] * wp->yw + i[1][2] * zw;

10
libavfilter/colorspace.h
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@ -34,8 +34,10 @@ struct WhitepointCoefficients {
double xw, yw;
};
void invert_matrix3x3(const double in[3][3], double out[3][3]);
void mul3x3(double dst[3][3], const double src1[3][3], const double src2[3][3]);
void fill_rgb2xyz_table(const struct PrimaryCoefficients *coeffs,
const struct WhitepointCoefficients *wp, double rgb2xyz[3][3]);
void ff_matrix_invert_3x3(const double in[3][3], double out[3][3]);
void ff_matrix_mul_3x3(double dst[3][3],
const double src1[3][3], const double src2[3][3]);
void ff_fill_rgb2xyz_table(const struct PrimaryCoefficients *coeffs,
const struct WhitepointCoefficients *wp,
double rgb2xyz[3][3]);
#endif

22
libavfilter/vf_colorspace.c
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@ -371,7 +371,7 @@ static void fill_whitepoint_conv_table(double out[3][3], enum WhitepointAdaptati
double mai[3][3], fac[3][3], tmp[3][3];
double rs, gs, bs, rd, gd, bd;
invert_matrix3x3(ma, mai);
ff_matrix_invert_3x3(ma, mai);
rs = ma[0][0] * wp_src->xw + ma[0][1] * wp_src->yw + ma[0][2] * zw_src;
gs = ma[1][0] * wp_src->xw + ma[1][1] * wp_src->yw + ma[1][2] * zw_src;
bs = ma[2][0] * wp_src->xw + ma[2][1] * wp_src->yw + ma[2][2] * zw_src;
@ -382,8 +382,8 @@ static void fill_whitepoint_conv_table(double out[3][3], enum WhitepointAdaptati
fac[1][1] = gd / gs;
fac[2][2] = bd / bs;
fac[0][1] = fac[0][2] = fac[1][0] = fac[1][2] = fac[2][0] = fac[2][1] = 0.0;
mul3x3(tmp, ma, fac);
mul3x3(out, tmp, mai);
ff_matrix_mul_3x3(tmp, ma, fac);
ff_matrix_mul_3x3(out, tmp, mai);
}
static void apply_lut(int16_t *buf[3], ptrdiff_t stride,
@ -588,19 +588,19 @@ static int create_filtergraph(AVFilterContext *ctx,
wp_out = &whitepoint_coefficients[s->out_primaries->wp];
wp_in = &whitepoint_coefficients[s->in_primaries->wp];
fill_rgb2xyz_table(&s->out_primaries->coeff, wp_out, rgb2xyz);
invert_matrix3x3(rgb2xyz, xyz2rgb);
fill_rgb2xyz_table(&s->in_primaries->coeff, wp_in, rgb2xyz);
ff_fill_rgb2xyz_table(&s->out_primaries->coeff, wp_out, rgb2xyz);
ff_matrix_invert_3x3(rgb2xyz, xyz2rgb);
ff_fill_rgb2xyz_table(&s->in_primaries->coeff, wp_in, rgb2xyz);
if (s->out_primaries->wp != s->in_primaries->wp &&
s->wp_adapt != WP_ADAPT_IDENTITY) {
double wpconv[3][3], tmp[3][3];
fill_whitepoint_conv_table(wpconv, s->wp_adapt, s->in_primaries->wp,
s->out_primaries->wp);
mul3x3(tmp, rgb2xyz, wpconv);
mul3x3(rgb2rgb, tmp, xyz2rgb);
ff_matrix_mul_3x3(tmp, rgb2xyz, wpconv);
ff_matrix_mul_3x3(rgb2rgb, tmp, xyz2rgb);
} else {
mul3x3(rgb2rgb, rgb2xyz, xyz2rgb);
ff_matrix_mul_3x3(rgb2rgb, rgb2xyz, xyz2rgb);
}
for (m = 0; m < 3; m++)
for (n = 0; n < 3; n++) {
@ -725,7 +725,7 @@ static int create_filtergraph(AVFilterContext *ctx,
for (n = 0; n < 8; n++)
s->yuv_offset[0][n] = off;
fill_rgb2yuv_table(s->in_lumacoef, rgb2yuv);
invert_matrix3x3(rgb2yuv, yuv2rgb);
ff_matrix_invert_3x3(rgb2yuv, yuv2rgb);
bits = 1 << (in_desc->comp[0].depth - 1);
for (n = 0; n < 3; n++) {
for (in_rng = s->in_y_rng, m = 0; m < 3; m++, in_rng = s->in_uv_rng) {
@ -781,7 +781,7 @@ static int create_filtergraph(AVFilterContext *ctx,
double yuv2yuv[3][3];
int in_rng, out_rng;
mul3x3(yuv2yuv, yuv2rgb, rgb2yuv);
ff_matrix_mul_3x3(yuv2yuv, yuv2rgb, rgb2yuv);
for (out_rng = s->out_y_rng, m = 0; m < 3; m++, out_rng = s->out_uv_rng) {
for (in_rng = s->in_y_rng, n = 0; n < 3; n++, in_rng = s->in_uv_rng) {
s->yuv2yuv_coeffs[m][n][0] =

8
libavfilter/vf_tonemap_opencl.c
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@ -124,10 +124,10 @@ static void get_rgb2rgb_matrix(enum AVColorPrimaries in, enum AVColorPrimaries o
double rgb2rgb[3][3]) {
double rgb2xyz[3][3], xyz2rgb[3][3];
fill_rgb2xyz_table(&primaries_table[out], &whitepoint_table[out], rgb2xyz);
invert_matrix3x3(rgb2xyz, xyz2rgb);
fill_rgb2xyz_table(&primaries_table[in], &whitepoint_table[in], rgb2xyz);
mul3x3(rgb2rgb, rgb2xyz, xyz2rgb);
ff_fill_rgb2xyz_table(&primaries_table[out], &whitepoint_table[out], rgb2xyz);
ff_matrix_invert_3x3(rgb2xyz, xyz2rgb);
ff_fill_rgb2xyz_table(&primaries_table[in], &whitepoint_table[in], rgb2xyz);
ff_matrix_mul_3x3(rgb2rgb, rgb2xyz, xyz2rgb);
}
#define OPENCL_SOURCE_NB 3