mirror of
https://git.videolan.org/git/ffmpeg.git
synced 2024-09-12 02:14:56 +02:00
570 lines
22 KiB
C
570 lines
22 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 "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 "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 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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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)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
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} ColorChannelMixerContext;
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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
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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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{ NULL }
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};
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AVFILTER_DEFINE_CLASS(colorchannelmixer);
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static int query_formats(AVFilterContext *ctx)
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{
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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_NONE
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};
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AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
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if (!fmts_list)
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return AVERROR(ENOMEM);
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return ff_set_common_formats(ctx, fmts_list);
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}
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static av_always_inline int filter_slice_rgba_planar(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs,
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int have_alpha)
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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 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 *srcg = in->data[0] + slice_start * in->linesize[0];
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const uint8_t *srcb = in->data[1] + slice_start * in->linesize[1];
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const uint8_t *srcr = in->data[2] + slice_start * in->linesize[2];
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const uint8_t *srca = in->data[3] + slice_start * in->linesize[3];
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uint8_t *dstg = out->data[0] + slice_start * out->linesize[0];
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uint8_t *dstb = out->data[1] + slice_start * out->linesize[1];
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uint8_t *dstr = out->data[2] + slice_start * out->linesize[2];
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uint8_t *dsta = out->data[3] + slice_start * out->linesize[3];
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int i, j;
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for (i = slice_start; i < slice_end; i++) {
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for (j = 0; j < out->width; j++) {
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const uint8_t rin = srcr[j];
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const uint8_t gin = srcg[j];
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const uint8_t bin = srcb[j];
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const uint8_t ain = srca[j];
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dstr[j] = av_clip_uint8(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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dstg[j] = av_clip_uint8(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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dstb[j] = av_clip_uint8(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 (have_alpha == 1) {
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dsta[j] = av_clip_uint8(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]);
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}
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}
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srcg += in->linesize[0];
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srcb += in->linesize[1];
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srcr += in->linesize[2];
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srca += in->linesize[3];
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dstg += out->linesize[0];
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dstb += out->linesize[1];
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dstr += out->linesize[2];
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dsta += out->linesize[3];
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}
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return 0;
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}
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static av_always_inline int filter_slice_rgba16_planar(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs,
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int have_alpha, 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 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 uint16_t *srcg = (const uint16_t *)(in->data[0] + slice_start * in->linesize[0]);
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const uint16_t *srcb = (const uint16_t *)(in->data[1] + slice_start * in->linesize[1]);
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const uint16_t *srcr = (const uint16_t *)(in->data[2] + slice_start * in->linesize[2]);
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const uint16_t *srca = (const uint16_t *)(in->data[3] + slice_start * in->linesize[3]);
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uint16_t *dstg = (uint16_t *)(out->data[0] + slice_start * out->linesize[0]);
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uint16_t *dstb = (uint16_t *)(out->data[1] + slice_start * out->linesize[1]);
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uint16_t *dstr = (uint16_t *)(out->data[2] + slice_start * out->linesize[2]);
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uint16_t *dsta = (uint16_t *)(out->data[3] + slice_start * out->linesize[3]);
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int i, j;
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for (i = slice_start; i < slice_end; i++) {
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for (j = 0; j < out->width; j++) {
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const uint16_t rin = srcr[j];
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const uint16_t gin = srcg[j];
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const uint16_t bin = srcb[j];
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const uint16_t ain = srca[j];
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dstr[j] = av_clip_uintp2(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), depth);
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dstg[j] = av_clip_uintp2(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), depth);
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dstb[j] = av_clip_uintp2(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), depth);
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if (have_alpha == 1) {
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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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}
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}
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srcg += in->linesize[0] / 2;
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srcb += in->linesize[1] / 2;
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srcr += in->linesize[2] / 2;
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srca += in->linesize[3] / 2;
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dstg += out->linesize[0] / 2;
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dstb += out->linesize[1] / 2;
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dstr += out->linesize[2] / 2;
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dsta += out->linesize[3] / 2;
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}
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return 0;
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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(ctx, arg, jobnr, nb_jobs, 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(ctx, arg, jobnr, nb_jobs, 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_rgba16_planar(ctx, arg, jobnr, nb_jobs, 0, 9);
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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_rgba16_planar(ctx, arg, jobnr, nb_jobs, 0, 10);
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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_rgba16_planar(ctx, arg, jobnr, nb_jobs, 1, 10);
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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_rgba16_planar(ctx, arg, jobnr, nb_jobs, 0, 12);
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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_rgba16_planar(ctx, arg, jobnr, nb_jobs, 1, 12);
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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_rgba16_planar(ctx, arg, jobnr, nb_jobs, 0, 14);
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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_rgba16_planar(ctx, arg, jobnr, nb_jobs, 0, 16);
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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_rgba16_planar(ctx, arg, jobnr, nb_jobs, 1, 16);
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}
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static av_always_inline int filter_slice_rgba_packed(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs,
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int have_alpha, int step)
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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 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 uint8_t *src = srcrow;
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uint8_t *dst = dstrow;
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for (j = 0; j < out->width * step; j += step) {
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const uint8_t rin = src[j + roffset];
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const uint8_t gin = src[j + goffset];
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const uint8_t bin = src[j + boffset];
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const uint8_t ain = src[j + aoffset];
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dst[j + roffset] = av_clip_uint8(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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dst[j + goffset] = av_clip_uint8(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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dst[j + boffset] = av_clip_uint8(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 (have_alpha == 1) {
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dst[j + aoffset] = av_clip_uint8(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]);
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} else if (have_alpha == -1 && in != out)
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dst[j + aoffset] = 0;
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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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static av_always_inline int filter_slice_rgba16_packed(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs,
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int have_alpha, int step)
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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 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 uint16_t *src = (const uint16_t *)srcrow;
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uint16_t *dst = (uint16_t *)dstrow;
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for (j = 0; j < out->width * step; j += step) {
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const uint16_t rin = src[j + roffset];
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const uint16_t gin = src[j + goffset];
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const uint16_t bin = src[j + boffset];
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const uint16_t ain = src[j + aoffset];
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dst[j + roffset] = av_clip_uint16(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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dst[j + goffset] = av_clip_uint16(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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dst[j + boffset] = av_clip_uint16(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 (have_alpha == 1) {
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dst[j + aoffset] = av_clip_uint16(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]);
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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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static int filter_slice_rgba64(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
|
|
return filter_slice_rgba16_packed(ctx, arg, jobnr, nb_jobs, 1, 4);
|
|
}
|
|
|
|
static int filter_slice_rgb48(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
|
|
{
|
|
return filter_slice_rgba16_packed(ctx, arg, jobnr, nb_jobs, 0, 3);
|
|
}
|
|
|
|
static int filter_slice_rgba(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
|
|
{
|
|
return filter_slice_rgba_packed(ctx, arg, jobnr, nb_jobs, 1, 4);
|
|
}
|
|
|
|
static int filter_slice_rgb24(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
|
|
{
|
|
return filter_slice_rgba_packed(ctx, arg, jobnr, nb_jobs, 0, 3);
|
|
}
|
|
|
|
static int filter_slice_rgb0(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
|
|
{
|
|
return filter_slice_rgba_packed(ctx, arg, jobnr, nb_jobs, -1, 4);
|
|
}
|
|
|
|
static int config_output(AVFilterLink *outlink)
|
|
{
|
|
AVFilterContext *ctx = outlink->src;
|
|
ColorChannelMixerContext *s = ctx->priv;
|
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(outlink->format);
|
|
const int depth = desc->comp[0].depth;
|
|
int i, j, size, *buffer;
|
|
|
|
ff_fill_rgba_map(s->rgba_map, outlink->format);
|
|
|
|
size = 1 << depth;
|
|
s->buffer = buffer = av_malloc(16 * size * sizeof(*s->buffer));
|
|
if (!s->buffer)
|
|
return AVERROR(ENOMEM);
|
|
|
|
for (i = 0; i < 4; i++)
|
|
for (j = 0; j < 4; j++, buffer += size)
|
|
s->lut[i][j] = buffer;
|
|
|
|
for (i = 0; i < size; i++) {
|
|
s->lut[R][R][i] = lrint(i * s->rr);
|
|
s->lut[R][G][i] = lrint(i * s->rg);
|
|
s->lut[R][B][i] = lrint(i * s->rb);
|
|
s->lut[R][A][i] = lrint(i * s->ra);
|
|
|
|
s->lut[G][R][i] = lrint(i * s->gr);
|
|
s->lut[G][G][i] = lrint(i * s->gg);
|
|
s->lut[G][B][i] = lrint(i * s->gb);
|
|
s->lut[G][A][i] = lrint(i * s->ga);
|
|
|
|
s->lut[B][R][i] = lrint(i * s->br);
|
|
s->lut[B][G][i] = lrint(i * s->bg);
|
|
s->lut[B][B][i] = lrint(i * s->bb);
|
|
s->lut[B][A][i] = lrint(i * s->ba);
|
|
|
|
s->lut[A][R][i] = lrint(i * s->ar);
|
|
s->lut[A][G][i] = lrint(i * s->ag);
|
|
s->lut[A][B][i] = lrint(i * s->ab);
|
|
s->lut[A][A][i] = lrint(i * s->aa);
|
|
}
|
|
|
|
switch (outlink->format) {
|
|
case AV_PIX_FMT_BGR24:
|
|
case AV_PIX_FMT_RGB24:
|
|
s->filter_slice = filter_slice_rgb24;
|
|
break;
|
|
case AV_PIX_FMT_0BGR:
|
|
case AV_PIX_FMT_0RGB:
|
|
case AV_PIX_FMT_BGR0:
|
|
case AV_PIX_FMT_RGB0:
|
|
s->filter_slice = filter_slice_rgb0;
|
|
break;
|
|
case AV_PIX_FMT_ABGR:
|
|
case AV_PIX_FMT_ARGB:
|
|
case AV_PIX_FMT_BGRA:
|
|
case AV_PIX_FMT_RGBA:
|
|
s->filter_slice = filter_slice_rgba;
|
|
break;
|
|
case AV_PIX_FMT_BGR48:
|
|
case AV_PIX_FMT_RGB48:
|
|
s->filter_slice = filter_slice_rgb48;
|
|
break;
|
|
case AV_PIX_FMT_BGRA64:
|
|
case AV_PIX_FMT_RGBA64:
|
|
s->filter_slice = filter_slice_rgba64;
|
|
break;
|
|
case AV_PIX_FMT_GBRP:
|
|
s->filter_slice = filter_slice_gbrp;
|
|
break;
|
|
case AV_PIX_FMT_GBRAP:
|
|
s->filter_slice = filter_slice_gbrap;
|
|
break;
|
|
case AV_PIX_FMT_GBRP9:
|
|
s->filter_slice = filter_slice_gbrp9;
|
|
break;
|
|
case AV_PIX_FMT_GBRP10:
|
|
s->filter_slice = filter_slice_gbrp10;
|
|
break;
|
|
case AV_PIX_FMT_GBRAP10:
|
|
s->filter_slice = filter_slice_gbrap10;
|
|
break;
|
|
case AV_PIX_FMT_GBRP12:
|
|
s->filter_slice = filter_slice_gbrp12;
|
|
break;
|
|
case AV_PIX_FMT_GBRAP12:
|
|
s->filter_slice = filter_slice_gbrap12;
|
|
break;
|
|
case AV_PIX_FMT_GBRP14:
|
|
s->filter_slice = filter_slice_gbrp14;
|
|
break;
|
|
case AV_PIX_FMT_GBRP16:
|
|
s->filter_slice = filter_slice_gbrp16;
|
|
break;
|
|
case AV_PIX_FMT_GBRAP16:
|
|
s->filter_slice = filter_slice_gbrap16;
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
|
|
{
|
|
AVFilterContext *ctx = inlink->dst;
|
|
ColorChannelMixerContext *s = ctx->priv;
|
|
AVFilterLink *outlink = ctx->outputs[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;
|
|
ctx->internal->execute(ctx, s->filter_slice, &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 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,
|
|
},
|
|
{ NULL }
|
|
};
|
|
|
|
static const AVFilterPad colorchannelmixer_outputs[] = {
|
|
{
|
|
.name = "default",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.config_props = config_output,
|
|
},
|
|
{ NULL }
|
|
};
|
|
|
|
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,
|
|
.query_formats = query_formats,
|
|
.inputs = colorchannelmixer_inputs,
|
|
.outputs = colorchannelmixer_outputs,
|
|
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
|
|
};
|