mirror of https://github.com/FFmpeg/FFmpeg.git
Paul B Mahol
3 years ago
parent
dbfafe11ae
commit
8164fe1139
6 changed files with 540 additions and 1 deletions
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/*
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "libavutil/opt.h" |
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#include "libavutil/imgutils.h" |
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#include "avfilter.h" |
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#include "drawutils.h" |
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#include "formats.h" |
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#include "internal.h" |
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#include "video.h" |
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#define R 0 |
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#define G 1 |
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#define B 2 |
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#define REDS 0 |
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#define YELLOWS 1 |
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#define GREENS 2 |
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#define CYANS 3 |
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#define BLUES 4 |
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#define MAGENTAS 5 |
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#define RED (1 << REDS) |
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#define YELLOW (1 << YELLOWS) |
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#define GREEN (1 << GREENS) |
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#define CYAN (1 << CYANS) |
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#define BLUE (1 << BLUES) |
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#define MAGENTA (1 << MAGENTAS) |
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#define ALL 0x3F |
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typedef struct HueSaturationContext { |
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const AVClass *class; |
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float hue; |
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float saturation; |
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float intensity; |
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float strength; |
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float rlw, glw, blw; |
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int lightness; |
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int colors; |
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int depth; |
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int planewidth[4]; |
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int planeheight[4]; |
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float matrix[4][4]; |
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int64_t imatrix[4][4]; |
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int bpp; |
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int step; |
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uint8_t rgba_map[4]; |
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int (*do_slice[2])(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs); |
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} HueSaturationContext; |
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#define DENOM 0x10000 |
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static inline void get_triplet(int64_t m[4][4], int *r, int *g, int *b) |
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{ |
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const int ir = *r, ig = *g, ib = *b; |
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*r = (ir * m[0][0] + ig * m[1][0] + ib * m[2][0] /*+ m[3][0]*/) >> 16; |
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*g = (ir * m[0][1] + ig * m[1][1] + ib * m[2][1] /*+ m[3][1]*/) >> 16; |
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*b = (ir * m[0][2] + ig * m[1][2] + ib * m[2][2] /*+ m[3][2]*/) >> 16; |
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} |
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#define FAST_DIV255(x) ((((x) + 128) * 257) >> 16) |
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static inline int lerpi8(int v0, int v1, int f, int max) |
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{ |
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return v0 + FAST_DIV255((v1 - v0) * f); |
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} |
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static inline int lerpi16(int v0, int v1, int f, int max) |
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{ |
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return v0 + (v1 - v0) * (int64_t)f / max; |
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} |
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#define HUESATURATION(name, type, clip, xall) \ |
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static int do_slice_##name##_##xall(AVFilterContext *ctx, \
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void *arg, \
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int jobnr, int nb_jobs) \
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{ \
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HueSaturationContext *s = ctx->priv; \
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AVFrame *frame = arg; \
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const int imax = (1 << name) - 1; \
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const float strength = s->strength; \
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const int colors = s->colors; \
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const int step = s->step; \
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const int width = frame->width; \
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const int process_h = frame->height; \
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const int slice_start = (process_h * jobnr ) / nb_jobs; \
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const int slice_end = (process_h * (jobnr+1)) / nb_jobs; \
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const int linesize = frame->linesize[0] / sizeof(type); \
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type *row = (type *)frame->data[0] + linesize * slice_start; \
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const uint8_t offset_r = s->rgba_map[R]; \
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const uint8_t offset_g = s->rgba_map[G]; \
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const uint8_t offset_b = s->rgba_map[B]; \
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type *dst_r = row + offset_r; \
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type *dst_g = row + offset_g; \
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type *dst_b = row + offset_b; \
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\
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for (int y = slice_start; y < slice_end; y++) { \
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for (int x = 0; x < width * step; x += step) { \
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int ir, ig, ib, ro, go, bo; \
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\
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ir = ro = dst_r[x]; \
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ig = go = dst_g[x]; \
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ib = bo = dst_b[x]; \
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\
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if (xall) { \
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get_triplet(s->imatrix, &ir, &ig, &ib); \
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} else { \
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const int min = FFMIN3(ir, ig, ib); \
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const int max = FFMAX3(ir, ig, ib); \
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const int flags = (ir == max) << REDS \
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| (ir == min) << CYANS \
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| (ig == max) << GREENS \
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| (ig == min) << MAGENTAS \
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| (ib == max) << BLUES \
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| (ib == min) << YELLOWS; \
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if (colors & flags) { \
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int f = 0; \
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\
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if (colors & RED) \
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f = FFMAX(f, ir - FFMAX(ig, ib)); \
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if (colors & YELLOW) \
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f = FFMAX(f, FFMIN(ir, ig) - ib); \
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if (colors & GREEN) \
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f = FFMAX(f, ig - FFMAX(ir, ib)); \
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if (colors & CYAN) \
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f = FFMAX(f, FFMIN(ig, ib) - ir); \
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if (colors & BLUE) \
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f = FFMAX(f, ib - FFMAX(ir, ig)); \
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if (colors & MAGENTA) \
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f = FFMAX(f, FFMIN(ir, ib) - ig); \
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f = FFMIN(f * strength, imax); \
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get_triplet(s->imatrix, &ir, &ig, &ib); \
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ir = lerpi##name(ro, ir, f, imax); \
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ig = lerpi##name(go, ig, f, imax); \
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ib = lerpi##name(bo, ib, f, imax); \
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} \
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} \
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\
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dst_r[x] = clip(ir); \
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dst_g[x] = clip(ig); \
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dst_b[x] = clip(ib); \
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} \
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\
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dst_r += linesize; \
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dst_g += linesize; \
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dst_b += linesize; \
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} \
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\
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return 0; \
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} |
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HUESATURATION(8, uint8_t, av_clip_uint8, 0) |
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HUESATURATION(16, uint16_t, av_clip_uint16, 0) |
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HUESATURATION(8, uint8_t, av_clip_uint8, 1) |
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HUESATURATION(16, uint16_t, av_clip_uint16, 1) |
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static void identity_matrix(float matrix[4][4]) |
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{ |
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for (int y = 0; y < 4; y++) |
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for (int x = 0; x < 4; x++) |
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matrix[y][x] = y == x; |
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} |
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static void matrix_multiply(float a[4][4], float b[4][4], float c[4][4]) |
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{ |
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float temp[4][4]; |
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for (int y = 0; y < 4; y++) { |
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for (int x = 0; x < 4; x++) { |
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temp[y][x] = b[y][0] * a[0][x] |
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+ b[y][1] * a[1][x] |
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+ b[y][2] * a[2][x] |
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+ b[y][3] * a[3][x]; |
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} |
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} |
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for (int y = 0; y < 4; y++) { |
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for (int x = 0; x < 4; x++) |
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c[y][x] = temp[y][x]; |
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} |
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} |
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static void colorscale_matrix(float matrix[4][4], float r, float g, float b) |
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{ |
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float temp[4][4]; |
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temp[0][0] = r; temp[0][1] = 0.f; temp[0][2] = 0.f; temp[0][3] = 0.f; |
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temp[1][0] = 0.f; temp[1][1] = g; temp[1][2] = 0.f; temp[1][3] = 0.f; |
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temp[2][0] = 0.f; temp[2][1] = 0.f; temp[2][2] = b; temp[2][3] = 0.f; |
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temp[3][0] = 0.f; temp[3][1] = 0.f; temp[3][2] = 0.f; temp[3][3] = 1.f; |
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matrix_multiply(temp, matrix, matrix); |
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} |
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static void saturation_matrix(float matrix[4][4], float saturation, |
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float rlw, float glw, float blw) |
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{ |
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float s = 1.f - saturation; |
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float a = s * rlw + saturation; |
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float b = s * rlw; |
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float c = s * rlw; |
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float d = s * glw; |
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float e = s * glw + saturation; |
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float f = s * glw; |
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float g = s * blw; |
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float h = s * blw; |
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float i = s * blw + saturation; |
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float m[4][4]; |
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m[0][0] = a; m[0][1] = b; m[0][2] = c; m[0][3] = 0.f; |
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m[1][0] = d; m[1][1] = e; m[1][2] = f; m[1][3] = 0.f; |
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m[2][0] = g; m[2][1] = h; m[2][2] = i; m[2][3] = 0.f; |
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m[3][0] = 0.f; m[3][1] = 0.f; m[3][2] = 0.f; m[3][3] = 1.f; |
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matrix_multiply(m, matrix, matrix); |
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} |
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static void matrix2imatrix(float matrix[4][4], int64_t imatrix[4][4]) |
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{ |
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for (int y = 0; y < 4; y++) |
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for (int x = 0; x < 4; x++) |
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imatrix[y][x] = lrintf(matrix[y][x] * DENOM); |
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} |
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static void x_rotate_matrix(float matrix[4][4], float rs, float rc) |
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{ |
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float m[4][4]; |
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m[0][0] = 1.f; m[0][1] = 0.f; m[0][2] = 0.f; m[0][3] = 0.f; |
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m[1][0] = 0.f; m[1][1] = rc; m[1][2] = rs; m[1][3] = 0.f; |
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m[2][0] = 0.f; m[2][1] = -rs; m[2][2] = rc; m[2][3] = 0.f; |
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m[3][0] = 0.f; m[3][1] = 0.f; m[3][2] = 0.f; m[3][3] = 1.f; |
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matrix_multiply(m, matrix, matrix); |
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} |
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static void y_rotate_matrix(float matrix[4][4], float rs, float rc) |
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{ |
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float m[4][4]; |
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m[0][0] = rc; m[0][1] = 0.f; m[0][2] = -rs; m[0][3] = 0.f; |
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m[1][0] = 0.f; m[1][1] = 1.f; m[1][2] = 0.f; m[1][3] = 0.f; |
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m[2][0] = rs; m[2][1] = 0.f; m[2][2] = rc; m[2][3] = 0.f; |
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m[3][0] = 0.f; m[3][1] = 0.f; m[3][2] = 0.f; m[3][3] = 1.f; |
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matrix_multiply(m, matrix, matrix); |
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} |
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static void z_rotate_matrix(float matrix[4][4], float rs, float rc) |
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{ |
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float m[4][4]; |
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m[0][0] = rc; m[0][1] = rs; m[0][2] = 0.f; m[0][3] = 0.f; |
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m[1][0] = -rs; m[1][1] = rc; m[1][2] = 0.f; m[1][3] = 0.f; |
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m[2][0] = 0.f; m[2][1] = 0.f; m[2][2] = 1.f; m[2][3] = 0.f; |
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m[3][0] = 0.f; m[3][1] = 0.f; m[3][2] = 0.f; m[3][3] = 1.f; |
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matrix_multiply(m, matrix, matrix); |
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} |
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static void z_shear_matrix(float matrix[4][4], float dx, float dy) |
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{ |
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float m[4][4]; |
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m[0][0] = 1.f; m[0][1] = 0.f; m[0][2] = dx; m[0][3] = 0.f; |
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m[1][0] = 0.f; m[1][1] = 1.f; m[1][2] = dy; m[1][3] = 0.f; |
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m[2][0] = 0.f; m[2][1] = 0.f; m[2][2] = 1.f; m[2][3] = 0.f; |
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m[3][0] = 0.f; m[3][1] = 0.f; m[3][2] = 0.f; m[3][3] = 1.f; |
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matrix_multiply(m, matrix, matrix); |
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} |
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static void transform_point(float matrix[4][4], |
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float x, float y, float z, |
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float *tx, float *ty, float *tz) |
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{ |
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x = y; |
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*tx = x; |
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*tx = x * matrix[0][0] + y * matrix[1][0] + z * matrix[2][0] + matrix[3][0]; |
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*ty = x * matrix[0][1] + y * matrix[1][1] + z * matrix[2][1] + matrix[3][1]; |
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*tz = x * matrix[0][2] + y * matrix[1][2] + z * matrix[2][2] + matrix[3][2]; |
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} |
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static void hue_rotate_matrix(float matrix[4][4], float rotation, |
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float rlw, float glw, float blw) |
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{ |
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float mag, lx, ly, lz; |
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float xrs, xrc; |
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float yrs, yrc; |
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float zrs, zrc; |
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float zsx, zsy; |
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mag = M_SQRT2; |
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xrs = 1.f / mag; |
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xrc = 1.f / mag; |
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x_rotate_matrix(matrix, xrs, xrc); |
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mag = sqrtf(3.f); |
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yrs = -1.f / mag; |
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yrc = M_SQRT2 / mag; |
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y_rotate_matrix(matrix, yrs, yrc); |
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transform_point(matrix, rlw, glw, blw, &lx, &ly, &lz); |
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zsx = lx / lz; |
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zsy = ly / lz; |
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z_shear_matrix(matrix, zsx, zsy); |
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zrs = sinf(rotation * M_PI / 180.f); |
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zrc = cosf(rotation * M_PI / 180.f); |
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z_rotate_matrix(matrix, zrs, zrc); |
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z_shear_matrix(matrix, -zsx, -zsy); |
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y_rotate_matrix(matrix, -yrs, yrc); |
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x_rotate_matrix(matrix, -xrs, xrc); |
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} |
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static void shue_rotate_matrix(float m[4][4], float rotation) |
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{ |
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float xrs, xrc, yrs, yrc, zrs, zrc, mag; |
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mag = M_SQRT2; |
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xrs = 1.f / mag; |
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xrc = 1.f / mag; |
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x_rotate_matrix(m, xrs, xrc); |
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mag = sqrtf(3.f); |
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yrs = -1.f / mag; |
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yrc = M_SQRT2 / mag; |
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y_rotate_matrix(m, yrs, yrc); |
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zrs = sinf(rotation * M_PI / 180.f); |
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zrc = cosf(rotation * M_PI / 180.f); |
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z_rotate_matrix(m, zrs, zrc); |
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y_rotate_matrix(m, -yrs, yrc); |
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x_rotate_matrix(m, -xrs, xrc); |
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} |
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static void init_matrix(HueSaturationContext *s) |
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{ |
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float i = 1.f + s->intensity; |
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float saturation = 1.f + s->saturation; |
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float hue = s->hue; |
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identity_matrix(s->matrix); |
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colorscale_matrix(s->matrix, i, i, i); |
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saturation_matrix(s->matrix, saturation, |
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s->rlw, s->glw, s->blw); |
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if (s->lightness) |
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hue_rotate_matrix(s->matrix, hue, |
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s->rlw, s->glw, s->blw); |
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else |
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shue_rotate_matrix(s->matrix, hue); |
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matrix2imatrix(s->matrix, s->imatrix); |
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} |
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static int filter_frame(AVFilterLink *inlink, AVFrame *frame) |
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{ |
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AVFilterContext *ctx = inlink->dst; |
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HueSaturationContext *s = ctx->priv; |
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init_matrix(s); |
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ff_filter_execute(ctx, s->do_slice[(s->strength >= 99.f) && (s->colors == ALL)], frame, NULL, |
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FFMIN(s->planeheight[1], ff_filter_get_nb_threads(ctx))); |
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return ff_filter_frame(ctx->outputs[0], frame); |
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} |
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static const enum AVPixelFormat pixel_fmts[] = { |
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AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24, |
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AV_PIX_FMT_RGBA, AV_PIX_FMT_BGRA, |
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AV_PIX_FMT_ABGR, AV_PIX_FMT_ARGB, |
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AV_PIX_FMT_0BGR, AV_PIX_FMT_0RGB, |
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AV_PIX_FMT_RGB0, AV_PIX_FMT_BGR0, |
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AV_PIX_FMT_RGB48, AV_PIX_FMT_BGR48, |
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AV_PIX_FMT_RGBA64, AV_PIX_FMT_BGRA64, |
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AV_PIX_FMT_NONE |
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}; |
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static av_cold int config_input(AVFilterLink *inlink) |
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{ |
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AVFilterContext *ctx = inlink->dst; |
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HueSaturationContext *s = ctx->priv; |
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format); |
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s->depth = desc->comp[0].depth; |
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s->bpp = s->depth >> 3; |
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s->step = av_get_padded_bits_per_pixel(desc) >> (3 + (s->bpp == 2)); |
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ff_fill_rgba_map(s->rgba_map, inlink->format); |
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s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w); |
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s->planewidth[0] = s->planewidth[3] = inlink->w; |
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s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h); |
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s->planeheight[0] = s->planeheight[3] = inlink->h; |
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s->do_slice[0] = s->depth <= 8 ? do_slice_8_0 : do_slice_16_0; |
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s->do_slice[1] = s->depth <= 8 ? do_slice_8_1 : do_slice_16_1; |
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return 0; |
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} |
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static const AVFilterPad huesaturation_inputs[] = { |
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{ |
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.name = "default", |
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.type = AVMEDIA_TYPE_VIDEO, |
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.flags = AVFILTERPAD_FLAG_NEEDS_WRITABLE, |
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.filter_frame = filter_frame, |
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.config_props = config_input, |
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}, |
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}; |
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|
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static const AVFilterPad huesaturation_outputs[] = { |
||||
{ |
||||
.name = "default", |
||||
.type = AVMEDIA_TYPE_VIDEO, |
||||
}, |
||||
}; |
||||
|
||||
#define OFFSET(x) offsetof(HueSaturationContext, x) |
||||
#define VF AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM |
||||
|
||||
static const AVOption huesaturation_options[] = { |
||||
{ "hue", "set the hue shift", OFFSET(hue), AV_OPT_TYPE_FLOAT, {.dbl=0},-180, 180, VF }, |
||||
{ "saturation", "set the saturation shift", OFFSET(saturation), AV_OPT_TYPE_FLOAT, {.dbl=0}, -1, 1, VF }, |
||||
{ "intensity", "set the intensity shift", OFFSET(intensity), AV_OPT_TYPE_FLOAT, {.dbl=0}, -1, 1, VF }, |
||||
{ "colors", "set colors range", OFFSET(colors), AV_OPT_TYPE_FLAGS, {.i64=ALL}, 0,ALL,VF, "colors" }, |
||||
{ "r", "set reds", 0, AV_OPT_TYPE_CONST, {.i64=RED}, 0, 0, VF, "colors" }, |
||||
{ "y", "set yellows", 0, AV_OPT_TYPE_CONST, {.i64=YELLOW}, 0, 0, VF, "colors" }, |
||||
{ "g", "set greens", 0, AV_OPT_TYPE_CONST, {.i64=GREEN}, 0, 0, VF, "colors" }, |
||||
{ "c", "set cyans", 0, AV_OPT_TYPE_CONST, {.i64=CYAN}, 0, 0, VF, "colors" }, |
||||
{ "b", "set blues", 0, AV_OPT_TYPE_CONST, {.i64=BLUE}, 0, 0, VF, "colors" }, |
||||
{ "m", "set magentas", 0, AV_OPT_TYPE_CONST, {.i64=MAGENTA}, 0, 0, VF, "colors" }, |
||||
{ "a", "set all colors", 0, AV_OPT_TYPE_CONST, {.i64=ALL}, 0, 0, VF, "colors" }, |
||||
{ "strength", "set the filtering strength", OFFSET(strength), AV_OPT_TYPE_FLOAT, {.dbl=1}, 0,100,VF }, |
||||
{ "rw", "set the red weight", OFFSET(rlw), AV_OPT_TYPE_FLOAT, {.dbl=.333}, 0, 1, VF }, |
||||
{ "gw", "set the green weight", OFFSET(glw), AV_OPT_TYPE_FLOAT, {.dbl=.334}, 0, 1, VF }, |
||||
{ "bw", "set the blue weight", OFFSET(blw), AV_OPT_TYPE_FLOAT, {.dbl=.333}, 0, 1, VF }, |
||||
{ "lightness", "set the preserve lightness", OFFSET(lightness), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, VF }, |
||||
{ NULL } |
||||
}; |
||||
|
||||
AVFILTER_DEFINE_CLASS(huesaturation); |
||||
|
||||
const AVFilter ff_vf_huesaturation = { |
||||
.name = "huesaturation", |
||||
.description = NULL_IF_CONFIG_SMALL("Apply hue-saturation-intensity adjustments."), |
||||
.priv_size = sizeof(HueSaturationContext), |
||||
.priv_class = &huesaturation_class, |
||||
FILTER_INPUTS(huesaturation_inputs), |
||||
FILTER_OUTPUTS(huesaturation_outputs), |
||||
FILTER_PIXFMTS_ARRAY(pixel_fmts), |
||||
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS, |
||||
.process_command = ff_filter_process_command, |
||||
}; |
||||
Loading…
Reference in new issue