2022-03-02 14:35:14 +00:00
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/*
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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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#undef pixel
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2022-03-02 15:59:18 +00:00
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#undef cpixel
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#undef ROUND
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2022-03-02 14:35:14 +00:00
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#if DEPTH == 8
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#define pixel uint8_t
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#define cpixel int
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#define ROUND lrintf
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#elif DEPTH == 16
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#define pixel uint16_t
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#define cpixel int
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#define ROUND lrintf
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#else
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#define NOP(x) (x)
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#define pixel float
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#define cpixel float
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#define ROUND NOP
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#endif
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#undef fn
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#undef fn2
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#undef fn3
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#define fn3(a,b) a##_##b
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#define fn2(a,b) fn3(a,b)
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#define fn(a) fn2(a, DEPTH)
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static av_always_inline int fn(filter_slice_rgba_planar)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs,
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int have_alpha, int depth, int pc)
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{
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ColorChannelMixerContext *s = ctx->priv;
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ThreadData *td = arg;
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AVFrame *in = td->in;
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AVFrame *out = td->out;
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const float pa = s->preserve_amount;
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const float max = (1 << depth) - 1;
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const int slice_start = (out->height * jobnr) / nb_jobs;
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const int slice_end = (out->height * (jobnr+1)) / nb_jobs;
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const pixel *srcg = (const pixel *)(in->data[0] + slice_start * in->linesize[0]);
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const pixel *srcb = (const pixel *)(in->data[1] + slice_start * in->linesize[1]);
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const pixel *srcr = (const pixel *)(in->data[2] + slice_start * in->linesize[2]);
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const pixel *srca = (const pixel *)(in->data[3] + slice_start * in->linesize[3]);
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pixel *dstg = (pixel *)(out->data[0] + slice_start * out->linesize[0]);
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pixel *dstb = (pixel *)(out->data[1] + slice_start * out->linesize[1]);
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pixel *dstr = (pixel *)(out->data[2] + slice_start * out->linesize[2]);
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pixel *dsta = (pixel *)(out->data[3] + slice_start * out->linesize[3]);
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for (int i = slice_start; i < slice_end; i++) {
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for (int j = 0; j < out->width; j++) {
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const pixel rin = srcr[j];
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const pixel gin = srcg[j];
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const pixel bin = srcb[j];
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const pixel ain = have_alpha ? srca[j] : 0;
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cpixel rout, gout, bout;
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#if DEPTH == 32
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rout = s->rr * rin +
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s->rg * gin +
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s->rb * bin +
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(have_alpha == 1 ? s->ra * ain : 0);
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gout = s->gr * rin +
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s->gg * gin +
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s->gb * bin +
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(have_alpha == 1 ? s->ga * ain : 0);
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bout = s->br * rin +
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s->bg * gin +
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s->bb * bin +
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(have_alpha == 1 ? s->ba * ain : 0);
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#else
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rout = s->lut[R][R][rin] +
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s->lut[R][G][gin] +
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s->lut[R][B][bin] +
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(have_alpha == 1 ? s->lut[R][A][ain] : 0);
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gout = s->lut[G][R][rin] +
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s->lut[G][G][gin] +
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s->lut[G][B][bin] +
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(have_alpha == 1 ? s->lut[G][A][ain] : 0);
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bout = s->lut[B][R][rin] +
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s->lut[B][G][gin] +
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s->lut[B][B][bin] +
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(have_alpha == 1 ? s->lut[B][A][ain] : 0);
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#endif
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if (pc) {
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float frout, fgout, fbout, lin, lout;
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#if DEPTH < 32
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frout = av_clipf(rout, 0.f, max);
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fgout = av_clipf(gout, 0.f, max);
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fbout = av_clipf(bout, 0.f, max);
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#else
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frout = rout;
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fgout = gout;
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fbout = bout;
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#endif
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preserve_color(s->preserve_color, rin, gin, bin,
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rout, gout, bout, max, &lin, &lout);
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preservel(&frout, &fgout, &fbout, lin, lout, max);
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rout = ROUND(lerpf(rout, frout, pa));
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gout = ROUND(lerpf(gout, fgout, pa));
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bout = ROUND(lerpf(bout, fbout, pa));
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}
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#if DEPTH < 32
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dstr[j] = av_clip_uintp2(rout, depth);
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dstg[j] = av_clip_uintp2(gout, depth);
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dstb[j] = av_clip_uintp2(bout, depth);
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#else
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dstr[j] = rout;
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dstg[j] = gout;
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dstb[j] = bout;
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#endif
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if (have_alpha == 1) {
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#if DEPTH < 32
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dsta[j] = av_clip_uintp2(s->lut[A][R][rin] +
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s->lut[A][G][gin] +
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s->lut[A][B][bin] +
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s->lut[A][A][ain], depth);
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#else
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dsta[j] = s->ar * rin +
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s->ag * gin +
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s->ab * bin +
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s->aa * ain;
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#endif
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}
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}
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srcg += in->linesize[0] / sizeof(pixel);
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srcb += in->linesize[1] / sizeof(pixel);
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srcr += in->linesize[2] / sizeof(pixel);
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srca += in->linesize[3] / sizeof(pixel);
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dstg += out->linesize[0] / sizeof(pixel);
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dstb += out->linesize[1] / sizeof(pixel);
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dstr += out->linesize[2] / sizeof(pixel);
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dsta += out->linesize[3] / sizeof(pixel);
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}
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return 0;
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}
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2022-03-02 15:59:18 +00:00
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#if DEPTH < 32
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static av_always_inline int fn(filter_slice_rgba_packed)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs,
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int have_alpha, int step, int pc, int depth)
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{
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ColorChannelMixerContext *s = ctx->priv;
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ThreadData *td = arg;
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AVFrame *in = td->in;
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AVFrame *out = td->out;
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const float pa = s->preserve_amount;
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const float max = (1 << depth) - 1;
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const int slice_start = (out->height * jobnr) / nb_jobs;
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const int slice_end = (out->height * (jobnr+1)) / nb_jobs;
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const uint8_t roffset = s->rgba_map[R];
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const uint8_t goffset = s->rgba_map[G];
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const uint8_t boffset = s->rgba_map[B];
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const uint8_t aoffset = s->rgba_map[A];
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const uint8_t *srcrow = in->data[0] + slice_start * in->linesize[0];
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uint8_t *dstrow = out->data[0] + slice_start * out->linesize[0];
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int i, j;
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for (i = slice_start; i < slice_end; i++) {
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const pixel *src = (const pixel *)srcrow;
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pixel *dst = (pixel *)dstrow;
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for (j = 0; j < out->width * step; j += step) {
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const pixel rin = src[j + roffset];
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const pixel gin = src[j + goffset];
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const pixel bin = src[j + boffset];
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const pixel ain = src[j + aoffset];
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int rout, gout, bout;
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rout = s->lut[R][R][rin] +
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s->lut[R][G][gin] +
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s->lut[R][B][bin] +
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(have_alpha == 1 ? s->lut[R][A][ain] : 0);
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gout = s->lut[G][R][rin] +
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s->lut[G][G][gin] +
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s->lut[G][B][bin] +
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(have_alpha == 1 ? s->lut[G][A][ain] : 0);
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bout = s->lut[B][R][rin] +
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s->lut[B][G][gin] +
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s->lut[B][B][bin] +
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(have_alpha == 1 ? s->lut[B][A][ain] : 0);
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if (pc) {
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float frout = av_clipf(rout, 0.f, max);
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float fgout = av_clipf(gout, 0.f, max);
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float fbout = av_clipf(bout, 0.f, max);
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float lin, lout;
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preserve_color(s->preserve_color, rin, gin, bin,
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rout, gout, bout, max, &lin, &lout);
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preservel(&frout, &fgout, &fbout, lin, lout, max);
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rout = lrintf(lerpf(rout, frout, pa));
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gout = lrintf(lerpf(gout, fgout, pa));
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bout = lrintf(lerpf(bout, fbout, pa));
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}
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dst[j + roffset] = av_clip_uintp2(rout, depth);
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dst[j + goffset] = av_clip_uintp2(gout, depth);
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dst[j + boffset] = av_clip_uintp2(bout, depth);
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if (have_alpha == 1) {
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dst[j + aoffset] = av_clip_uintp2(s->lut[A][R][rin] +
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s->lut[A][G][gin] +
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s->lut[A][B][bin] +
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s->lut[A][A][ain], depth);
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}
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}
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srcrow += in->linesize[0];
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dstrow += out->linesize[0];
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}
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return 0;
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}
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2022-03-02 15:59:18 +00:00
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#endif
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