mirror of https://git.ffmpeg.org/ffmpeg.git
507 lines
18 KiB
C
507 lines
18 KiB
C
/*
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* Copyright (c) 2013 Paul B Mahol
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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 <float.h>
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#include "libavutil/opt.h"
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#include "libavutil/pixdesc.h"
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#include "avfilter.h"
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#include "drawutils.h"
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#include "internal.h"
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#include "video.h"
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#include "preserve_color.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 A 3
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typedef struct ThreadData {
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AVFrame *in, *out;
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} ThreadData;
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typedef struct ColorChannelMixerContext {
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const AVClass *class;
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double rr, rg, rb, ra;
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double gr, gg, gb, ga;
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double br, bg, bb, ba;
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double ar, ag, ab, aa;
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double preserve_amount;
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int preserve_color;
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int *lut[4][4];
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int *buffer;
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uint8_t rgba_map[4];
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int (*filter_slice[2])(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
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} ColorChannelMixerContext;
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static float lerpf(float v0, float v1, float f)
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{
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return v0 + (v1 - v0) * f;
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}
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static void preservel(float *r, float *g, float *b, float lin, float lout, float max)
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{
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if (lout <= 0.f)
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lout = 1.f / (max * 2.f);
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*r *= lin / lout;
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*g *= lin / lout;
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*b *= lin / lout;
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}
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#define DEPTH 8
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#include "colorchannelmixer_template.c"
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#undef DEPTH
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#define DEPTH 16
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#include "colorchannelmixer_template.c"
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#undef DEPTH
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#define DEPTH 32
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#include "colorchannelmixer_template.c"
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#define OFFSET(x) offsetof(ColorChannelMixerContext, x)
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#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
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static const AVOption colorchannelmixer_options[] = {
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{ "rr", "set the red gain for the red channel", OFFSET(rr), AV_OPT_TYPE_DOUBLE, {.dbl=1}, -2, 2, FLAGS },
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{ "rg", "set the green gain for the red channel", OFFSET(rg), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
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{ "rb", "set the blue gain for the red channel", OFFSET(rb), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
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{ "ra", "set the alpha gain for the red channel", OFFSET(ra), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
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{ "gr", "set the red gain for the green channel", OFFSET(gr), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
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{ "gg", "set the green gain for the green channel", OFFSET(gg), AV_OPT_TYPE_DOUBLE, {.dbl=1}, -2, 2, FLAGS },
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{ "gb", "set the blue gain for the green channel", OFFSET(gb), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
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{ "ga", "set the alpha gain for the green channel", OFFSET(ga), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
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{ "br", "set the red gain for the blue channel", OFFSET(br), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
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{ "bg", "set the green gain for the blue channel", OFFSET(bg), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
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{ "bb", "set the blue gain for the blue channel", OFFSET(bb), AV_OPT_TYPE_DOUBLE, {.dbl=1}, -2, 2, FLAGS },
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{ "ba", "set the alpha gain for the blue channel", OFFSET(ba), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
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{ "ar", "set the red gain for the alpha channel", OFFSET(ar), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
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{ "ag", "set the green gain for the alpha channel", OFFSET(ag), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
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{ "ab", "set the blue gain for the alpha channel", OFFSET(ab), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
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{ "aa", "set the alpha gain for the alpha channel", OFFSET(aa), AV_OPT_TYPE_DOUBLE, {.dbl=1}, -2, 2, FLAGS },
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{ "pc", "set the preserve color mode", OFFSET(preserve_color), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_PRESERVE-1, FLAGS, "preserve" },
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{ "none", "disabled", 0, AV_OPT_TYPE_CONST, {.i64=P_NONE}, 0, 0, FLAGS, "preserve" },
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{ "lum", "luminance", 0, AV_OPT_TYPE_CONST, {.i64=P_LUM}, 0, 0, FLAGS, "preserve" },
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{ "max", "max", 0, AV_OPT_TYPE_CONST, {.i64=P_MAX}, 0, 0, FLAGS, "preserve" },
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{ "avg", "average", 0, AV_OPT_TYPE_CONST, {.i64=P_AVG}, 0, 0, FLAGS, "preserve" },
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{ "sum", "sum", 0, AV_OPT_TYPE_CONST, {.i64=P_SUM}, 0, 0, FLAGS, "preserve" },
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{ "nrm", "norm", 0, AV_OPT_TYPE_CONST, {.i64=P_NRM}, 0, 0, FLAGS, "preserve" },
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{ "pwr", "power", 0, AV_OPT_TYPE_CONST, {.i64=P_PWR}, 0, 0, FLAGS, "preserve" },
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{ "pa", "set the preserve color amount", OFFSET(preserve_amount), AV_OPT_TYPE_DOUBLE, {.dbl=0}, 0, 1, FLAGS },
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{ NULL }
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};
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AVFILTER_DEFINE_CLASS(colorchannelmixer);
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static const enum AVPixelFormat pix_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_ARGB, AV_PIX_FMT_ABGR,
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AV_PIX_FMT_0RGB, AV_PIX_FMT_0BGR,
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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_GBRP, AV_PIX_FMT_GBRAP,
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AV_PIX_FMT_GBRP9,
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AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRAP10,
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AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRAP12,
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AV_PIX_FMT_GBRP14,
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AV_PIX_FMT_GBRP16, AV_PIX_FMT_GBRAP16,
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AV_PIX_FMT_GBRPF32, AV_PIX_FMT_GBRAPF32,
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AV_PIX_FMT_NONE
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};
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static int filter_slice_gbrp(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_planar_8(ctx, arg, jobnr, nb_jobs, 0, 8, 0);
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}
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static int filter_slice_gbrap(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_planar_8(ctx, arg, jobnr, nb_jobs, 1, 8, 0);
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}
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static int filter_slice_gbrp_pl(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_planar_8(ctx, arg, jobnr, nb_jobs, 0, 8, 1);
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}
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static int filter_slice_gbrap_pl(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_planar_8(ctx, arg, jobnr, nb_jobs, 1, 8, 1);
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}
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static int filter_slice_gbrp9(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_planar_16(ctx, arg, jobnr, nb_jobs, 0, 9, 0);
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}
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static int filter_slice_gbrp10(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_planar_16(ctx, arg, jobnr, nb_jobs, 0, 10, 0);
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}
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static int filter_slice_gbrap10(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_planar_16(ctx, arg, jobnr, nb_jobs, 1, 10, 0);
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}
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static int filter_slice_gbrp12(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_planar_16(ctx, arg, jobnr, nb_jobs, 0, 12, 0);
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}
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static int filter_slice_gbrap12(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_planar_16(ctx, arg, jobnr, nb_jobs, 1, 12, 0);
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}
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static int filter_slice_gbrp14(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_planar_16(ctx, arg, jobnr, nb_jobs, 0, 14, 0);
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}
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static int filter_slice_gbrp16(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_planar_16(ctx, arg, jobnr, nb_jobs, 0, 16, 0);
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}
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static int filter_slice_gbrap16(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_planar_16(ctx, arg, jobnr, nb_jobs, 1, 16, 0);
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}
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static int filter_slice_gbrp9_pl(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_planar_16(ctx, arg, jobnr, nb_jobs, 0, 9, 1);
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}
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static int filter_slice_gbrp10_pl(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_planar_16(ctx, arg, jobnr, nb_jobs, 0, 10, 1);
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}
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static int filter_slice_gbrap10_pl(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_planar_16(ctx, arg, jobnr, nb_jobs, 1, 10, 1);
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}
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static int filter_slice_gbrp12_pl(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_planar_16(ctx, arg, jobnr, nb_jobs, 0, 12, 1);
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}
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static int filter_slice_gbrap12_pl(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_planar_16(ctx, arg, jobnr, nb_jobs, 1, 12, 1);
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}
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static int filter_slice_gbrp14_pl(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_planar_16(ctx, arg, jobnr, nb_jobs, 0, 14, 1);
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}
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static int filter_slice_gbrp16_pl(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_planar_16(ctx, arg, jobnr, nb_jobs, 0, 16, 1);
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}
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static int filter_slice_gbrap16_pl(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_planar_16(ctx, arg, jobnr, nb_jobs, 1, 16, 1);
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}
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static int filter_slice_rgba64(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_packed_16(ctx, arg, jobnr, nb_jobs, 1, 4, 0, 16);
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}
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static int filter_slice_rgb48(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_packed_16(ctx, arg, jobnr, nb_jobs, 0, 3, 0, 16);
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}
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static int filter_slice_rgba64_pl(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_packed_16(ctx, arg, jobnr, nb_jobs, 1, 4, 1, 16);
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}
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static int filter_slice_rgb48_pl(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_packed_16(ctx, arg, jobnr, nb_jobs, 0, 3, 1, 16);
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}
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static int filter_slice_rgba(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_packed_8(ctx, arg, jobnr, nb_jobs, 1, 4, 0, 8);
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}
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static int filter_slice_rgb24(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_packed_8(ctx, arg, jobnr, nb_jobs, 0, 3, 0, 8);
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}
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static int filter_slice_rgb0(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_packed_8(ctx, arg, jobnr, nb_jobs, -1, 4, 0, 8);
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}
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static int filter_slice_rgba_pl(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_packed_8(ctx, arg, jobnr, nb_jobs, 1, 4, 1, 8);
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}
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static int filter_slice_rgb24_pl(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_packed_8(ctx, arg, jobnr, nb_jobs, 0, 3, 1, 8);
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}
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static int filter_slice_rgb0_pl(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_packed_8(ctx, arg, jobnr, nb_jobs, -1, 4, 1, 8);
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}
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static int filter_slice_gbrp32(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_planar_32(ctx, arg, jobnr, nb_jobs, 0, 1, 0);
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}
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static int filter_slice_gbrap32(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_planar_32(ctx, arg, jobnr, nb_jobs, 1, 1, 0);
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}
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static int filter_slice_gbrp32_pl(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_planar_32(ctx, arg, jobnr, nb_jobs, 0, 1, 1);
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}
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static int filter_slice_gbrap32_pl(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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return filter_slice_rgba_planar_32(ctx, arg, jobnr, nb_jobs, 1, 1, 1);
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}
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static int config_output(AVFilterLink *outlink)
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{
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AVFilterContext *ctx = outlink->src;
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ColorChannelMixerContext *s = ctx->priv;
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(outlink->format);
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const int depth = desc->comp[0].depth;
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int i, j, size, *buffer = s->buffer;
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ff_fill_rgba_map(s->rgba_map, outlink->format);
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size = 1 << depth;
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if (!s->buffer) {
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s->buffer = buffer = av_malloc(16 * size * sizeof(*s->buffer));
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if (!s->buffer)
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return AVERROR(ENOMEM);
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for (i = 0; i < 4; i++)
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for (j = 0; j < 4; j++, buffer += size)
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s->lut[i][j] = buffer;
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}
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for (i = 0; i < size; i++) {
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s->lut[R][R][i] = lrint(i * s->rr);
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s->lut[R][G][i] = lrint(i * s->rg);
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s->lut[R][B][i] = lrint(i * s->rb);
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s->lut[R][A][i] = lrint(i * s->ra);
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s->lut[G][R][i] = lrint(i * s->gr);
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s->lut[G][G][i] = lrint(i * s->gg);
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s->lut[G][B][i] = lrint(i * s->gb);
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s->lut[G][A][i] = lrint(i * s->ga);
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s->lut[B][R][i] = lrint(i * s->br);
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s->lut[B][G][i] = lrint(i * s->bg);
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s->lut[B][B][i] = lrint(i * s->bb);
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s->lut[B][A][i] = lrint(i * s->ba);
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s->lut[A][R][i] = lrint(i * s->ar);
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s->lut[A][G][i] = lrint(i * s->ag);
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s->lut[A][B][i] = lrint(i * s->ab);
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s->lut[A][A][i] = lrint(i * s->aa);
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}
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switch (outlink->format) {
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case AV_PIX_FMT_BGR24:
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case AV_PIX_FMT_RGB24:
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s->filter_slice[0] = filter_slice_rgb24;
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s->filter_slice[1] = filter_slice_rgb24_pl;
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break;
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case AV_PIX_FMT_0BGR:
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case AV_PIX_FMT_0RGB:
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case AV_PIX_FMT_BGR0:
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case AV_PIX_FMT_RGB0:
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s->filter_slice[0] = filter_slice_rgb0;
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s->filter_slice[1] = filter_slice_rgb0_pl;
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break;
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case AV_PIX_FMT_ABGR:
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case AV_PIX_FMT_ARGB:
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case AV_PIX_FMT_BGRA:
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case AV_PIX_FMT_RGBA:
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s->filter_slice[0] = filter_slice_rgba;
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s->filter_slice[1] = filter_slice_rgba_pl;
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break;
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case AV_PIX_FMT_BGR48:
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case AV_PIX_FMT_RGB48:
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s->filter_slice[0] = filter_slice_rgb48;
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s->filter_slice[1] = filter_slice_rgb48_pl;
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break;
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case AV_PIX_FMT_BGRA64:
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case AV_PIX_FMT_RGBA64:
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s->filter_slice[0] = filter_slice_rgba64;
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s->filter_slice[1] = filter_slice_rgba64_pl;
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break;
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case AV_PIX_FMT_GBRP:
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s->filter_slice[0] = filter_slice_gbrp;
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s->filter_slice[1] = filter_slice_gbrp_pl;
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break;
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case AV_PIX_FMT_GBRAP:
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s->filter_slice[0] = filter_slice_gbrap;
|
|
s->filter_slice[1] = filter_slice_gbrap_pl;
|
|
break;
|
|
case AV_PIX_FMT_GBRP9:
|
|
s->filter_slice[0] = filter_slice_gbrp9;
|
|
s->filter_slice[1] = filter_slice_gbrp9_pl;
|
|
break;
|
|
case AV_PIX_FMT_GBRP10:
|
|
s->filter_slice[0] = filter_slice_gbrp10;
|
|
s->filter_slice[1] = filter_slice_gbrp10_pl;
|
|
break;
|
|
case AV_PIX_FMT_GBRAP10:
|
|
s->filter_slice[0] = filter_slice_gbrap10;
|
|
s->filter_slice[1] = filter_slice_gbrap10_pl;
|
|
break;
|
|
case AV_PIX_FMT_GBRP12:
|
|
s->filter_slice[0] = filter_slice_gbrp12;
|
|
s->filter_slice[1] = filter_slice_gbrp12_pl;
|
|
break;
|
|
case AV_PIX_FMT_GBRAP12:
|
|
s->filter_slice[0] = filter_slice_gbrap12;
|
|
s->filter_slice[1] = filter_slice_gbrap12_pl;
|
|
break;
|
|
case AV_PIX_FMT_GBRP14:
|
|
s->filter_slice[0] = filter_slice_gbrp14;
|
|
s->filter_slice[1] = filter_slice_gbrp14_pl;
|
|
break;
|
|
case AV_PIX_FMT_GBRP16:
|
|
s->filter_slice[0] = filter_slice_gbrp16;
|
|
s->filter_slice[1] = filter_slice_gbrp16_pl;
|
|
break;
|
|
case AV_PIX_FMT_GBRAP16:
|
|
s->filter_slice[0] = filter_slice_gbrap16;
|
|
s->filter_slice[1] = filter_slice_gbrap16_pl;
|
|
break;
|
|
case AV_PIX_FMT_GBRPF32:
|
|
s->filter_slice[0] = filter_slice_gbrp32;
|
|
s->filter_slice[1] = filter_slice_gbrp32_pl;
|
|
break;
|
|
case AV_PIX_FMT_GBRAPF32:
|
|
s->filter_slice[0] = filter_slice_gbrap32;
|
|
s->filter_slice[1] = filter_slice_gbrap32_pl;
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
|
|
{
|
|
AVFilterContext *ctx = inlink->dst;
|
|
ColorChannelMixerContext *s = ctx->priv;
|
|
AVFilterLink *outlink = ctx->outputs[0];
|
|
const int pc = s->preserve_color > 0;
|
|
ThreadData td;
|
|
AVFrame *out;
|
|
|
|
if (av_frame_is_writable(in)) {
|
|
out = in;
|
|
} else {
|
|
out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
|
|
if (!out) {
|
|
av_frame_free(&in);
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
av_frame_copy_props(out, in);
|
|
}
|
|
|
|
td.in = in;
|
|
td.out = out;
|
|
ff_filter_execute(ctx, s->filter_slice[pc], &td, NULL,
|
|
FFMIN(outlink->h, ff_filter_get_nb_threads(ctx)));
|
|
|
|
if (in != out)
|
|
av_frame_free(&in);
|
|
return ff_filter_frame(outlink, out);
|
|
}
|
|
|
|
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
|
|
char *res, int res_len, int flags)
|
|
{
|
|
int ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
|
|
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return config_output(ctx->outputs[0]);
|
|
}
|
|
|
|
static av_cold void uninit(AVFilterContext *ctx)
|
|
{
|
|
ColorChannelMixerContext *s = ctx->priv;
|
|
|
|
av_freep(&s->buffer);
|
|
}
|
|
|
|
static const AVFilterPad colorchannelmixer_inputs[] = {
|
|
{
|
|
.name = "default",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.filter_frame = filter_frame,
|
|
},
|
|
};
|
|
|
|
static const AVFilterPad colorchannelmixer_outputs[] = {
|
|
{
|
|
.name = "default",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.config_props = config_output,
|
|
},
|
|
};
|
|
|
|
const AVFilter ff_vf_colorchannelmixer = {
|
|
.name = "colorchannelmixer",
|
|
.description = NULL_IF_CONFIG_SMALL("Adjust colors by mixing color channels."),
|
|
.priv_size = sizeof(ColorChannelMixerContext),
|
|
.priv_class = &colorchannelmixer_class,
|
|
.uninit = uninit,
|
|
FILTER_INPUTS(colorchannelmixer_inputs),
|
|
FILTER_OUTPUTS(colorchannelmixer_outputs),
|
|
FILTER_PIXFMTS_ARRAY(pix_fmts),
|
|
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
|
|
.process_command = process_command,
|
|
};
|