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/* |
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* Copyright (c) 2018 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/avstring.h" |
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#include "libavutil/eval.h" |
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#include "libavutil/imgutils.h" |
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#include "libavutil/intreadwrite.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 "formats.h" |
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#include "internal.h" |
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#include "video.h" |
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typedef struct ChromaShiftContext { |
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const AVClass *class; |
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int cbh, cbv; |
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int crh, crv; |
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int rh, rv; |
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int gh, gv; |
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int bh, bv; |
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int ah, av; |
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int edge; |
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int nb_planes; |
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int depth; |
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int height[4]; |
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int width[4]; |
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int linesize[4]; |
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AVFrame *in; |
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int is_rgbashift; |
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int (*filter_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs); |
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} ChromaShiftContext; |
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static int query_formats(AVFilterContext *ctx) |
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{ |
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static const enum AVPixelFormat yuv_pix_fmts[] = { |
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AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA420P, |
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AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ440P, AV_PIX_FMT_YUVJ422P,AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ411P, |
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AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P, |
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AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9, |
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AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV440P10, |
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AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10, |
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AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV440P12, |
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AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA444P12, |
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AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV420P14, |
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AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16, |
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AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16, |
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AV_PIX_FMT_NONE |
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}; |
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static const enum AVPixelFormat rgb_pix_fmts[] = { |
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AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRP9, |
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AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRP12, |
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AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16, |
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AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16, |
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AV_PIX_FMT_NONE |
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}; |
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const enum AVPixelFormat *pix_fmts; |
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AVFilterFormats *fmts_list; |
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if (!strcmp(ctx->filter->name, "rgbashift")) |
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pix_fmts = rgb_pix_fmts; |
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else |
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pix_fmts = yuv_pix_fmts; |
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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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#define DEFINE_SMEAR(depth, type, div) \ |
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static int smear_slice ## depth(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) \ |
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{ \ |
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ChromaShiftContext *s = ctx->priv; \ |
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AVFrame *in = s->in; \ |
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AVFrame *out = arg; \ |
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const int sulinesize = in->linesize[1] / div; \ |
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const int svlinesize = in->linesize[2] / div; \ |
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const int ulinesize = out->linesize[1] / div; \ |
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const int vlinesize = out->linesize[2] / div; \ |
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const int cbh = s->cbh; \ |
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const int cbv = s->cbv; \ |
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const int crh = s->crh; \ |
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const int crv = s->crv; \ |
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const int h = s->height[1]; \ |
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const int w = s->width[1]; \ |
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const int slice_start = (h * jobnr) / nb_jobs; \ |
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const int slice_end = (h * (jobnr+1)) / nb_jobs; \ |
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const type *su = (const type *)in->data[1]; \ |
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const type *sv = (const type *)in->data[2]; \ |
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type *du = (type *)out->data[1] + slice_start * ulinesize; \ |
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type *dv = (type *)out->data[2] + slice_start * vlinesize; \ |
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\ |
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for (int y = slice_start; y < slice_end; y++) { \ |
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const int duy = av_clip(y - cbv, 0, h-1) * sulinesize; \ |
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const int dvy = av_clip(y - crv, 0, h-1) * svlinesize; \ |
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\ |
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for (int x = 0; x < w; x++) { \ |
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du[x] = su[av_clip(x - cbh, 0, w - 1) + duy]; \ |
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dv[x] = sv[av_clip(x - crh, 0, w - 1) + dvy]; \ |
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} \ |
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\ |
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du += ulinesize; \ |
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dv += vlinesize; \ |
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} \ |
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\ |
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return 0; \ |
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} |
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DEFINE_SMEAR(8, uint8_t, 1) |
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DEFINE_SMEAR(16, uint16_t, 2) |
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#define DEFINE_WRAP(depth, type, div) \ |
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static int wrap_slice ## depth(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) \ |
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{ \ |
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ChromaShiftContext *s = ctx->priv; \ |
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AVFrame *in = s->in; \ |
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AVFrame *out = arg; \ |
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const int sulinesize = in->linesize[1] / div; \ |
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const int svlinesize = in->linesize[2] / div; \ |
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const int ulinesize = out->linesize[1] / div; \ |
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const int vlinesize = out->linesize[2] / div; \ |
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const int cbh = s->cbh; \ |
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const int cbv = s->cbv; \ |
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const int crh = s->crh; \ |
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const int crv = s->crv; \ |
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const int h = s->height[1]; \ |
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const int w = s->width[1]; \ |
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const int slice_start = (h * jobnr) / nb_jobs; \ |
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const int slice_end = (h * (jobnr+1)) / nb_jobs; \ |
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const type *su = (const type *)in->data[1]; \ |
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const type *sv = (const type *)in->data[2]; \ |
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type *du = (type *)out->data[1] + slice_start * ulinesize; \ |
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type *dv = (type *)out->data[2] + slice_start * vlinesize; \ |
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\ |
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for (int y = slice_start; y < slice_end; y++) { \ |
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int uy = (y - cbv) % h; \ |
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int vy = (y - crv) % h; \ |
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\ |
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if (uy < 0) \ |
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uy += h; \ |
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if (vy < 0) \ |
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vy += h; \ |
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\ |
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for (int x = 0; x < w; x++) { \ |
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int ux = (x - cbh) % w; \ |
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int vx = (x - crh) % w; \ |
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\ |
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if (ux < 0) \ |
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ux += w; \ |
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if (vx < 0) \ |
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vx += w; \ |
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\ |
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du[x] = su[ux + uy * sulinesize]; \ |
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dv[x] = sv[vx + vy * svlinesize]; \ |
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} \ |
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\ |
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du += ulinesize; \ |
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dv += vlinesize; \ |
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} \ |
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\ |
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return 0; \ |
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} |
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DEFINE_WRAP(8, uint8_t, 1) |
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DEFINE_WRAP(16, uint16_t, 2) |
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#define DEFINE_RGBASMEAR(depth, type, div) \ |
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static int rgbasmear_slice ## depth(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) \ |
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{ \ |
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ChromaShiftContext *s = ctx->priv; \ |
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AVFrame *in = s->in; \ |
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AVFrame *out = arg; \ |
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const int srlinesize = in->linesize[2] / div; \ |
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const int sglinesize = in->linesize[0] / div; \ |
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const int sblinesize = in->linesize[1] / div; \ |
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const int salinesize = in->linesize[3] / div; \ |
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const int rlinesize = out->linesize[2] / div; \ |
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const int glinesize = out->linesize[0] / div; \ |
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const int blinesize = out->linesize[1] / div; \ |
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const int alinesize = out->linesize[3] / div; \ |
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const int rh = s->rh; \ |
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const int rv = s->rv; \ |
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const int gh = s->gh; \ |
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const int gv = s->gv; \ |
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const int bh = s->bh; \ |
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const int bv = s->bv; \ |
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const int ah = s->ah; \ |
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const int av = s->av; \ |
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const int h = s->height[1]; \ |
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const int w = s->width[1]; \ |
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const int slice_start = (h * jobnr) / nb_jobs; \ |
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const int slice_end = (h * (jobnr+1)) / nb_jobs; \ |
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const type *sr = (const type *)in->data[2]; \ |
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const type *sg = (const type *)in->data[0]; \ |
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const type *sb = (const type *)in->data[1]; \ |
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const type *sa = (const type *)in->data[3]; \ |
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type *dr = (type *)out->data[2] + slice_start * rlinesize; \ |
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type *dg = (type *)out->data[0] + slice_start * glinesize; \ |
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type *db = (type *)out->data[1] + slice_start * blinesize; \ |
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type *da = (type *)out->data[3] + slice_start * alinesize; \ |
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\ |
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for (int y = slice_start; y < slice_end; y++) { \ |
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const int ry = av_clip(y - rv, 0, h-1) * srlinesize; \ |
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const int gy = av_clip(y - gv, 0, h-1) * sglinesize; \ |
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const int by = av_clip(y - bv, 0, h-1) * sblinesize; \ |
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int ay; \ |
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\ |
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for (int x = 0; x < w; x++) { \ |
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dr[x] = sr[av_clip(x - rh, 0, w - 1) + ry]; \ |
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dg[x] = sg[av_clip(x - gh, 0, w - 1) + gy]; \ |
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db[x] = sb[av_clip(x - bh, 0, w - 1) + by]; \ |
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} \ |
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\ |
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dr += rlinesize; \ |
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dg += glinesize; \ |
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db += blinesize; \ |
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\ |
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if (s->nb_planes < 4) \ |
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continue; \ |
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ay = av_clip(y - av, 0, h-1) * salinesize; \ |
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for (int x = 0; x < w; x++) { \ |
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da[x] = sa[av_clip(x - ah, 0, w - 1) + ay]; \ |
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} \ |
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\ |
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da += alinesize; \ |
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} \ |
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\ |
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return 0; \ |
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} |
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DEFINE_RGBASMEAR(8, uint8_t, 1) |
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DEFINE_RGBASMEAR(16, uint16_t, 2) |
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#define DEFINE_RGBAWRAP(depth, type, div) \ |
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static int rgbawrap_slice ## depth(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) \ |
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{ \ |
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ChromaShiftContext *s = ctx->priv; \ |
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AVFrame *in = s->in; \ |
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AVFrame *out = arg; \ |
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const int srlinesize = in->linesize[2] / div; \ |
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const int sglinesize = in->linesize[0] / div; \ |
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const int sblinesize = in->linesize[1] / div; \ |
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const int salinesize = in->linesize[3] / div; \ |
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const int rlinesize = out->linesize[2] / div; \ |
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const int glinesize = out->linesize[0] / div; \ |
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const int blinesize = out->linesize[1] / div; \ |
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const int alinesize = out->linesize[3] / div; \ |
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const int rh = s->rh; \ |
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const int rv = s->rv; \ |
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const int gh = s->gh; \ |
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const int gv = s->gv; \ |
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const int bh = s->bh; \ |
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const int bv = s->bv; \ |
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const int ah = s->ah; \ |
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const int av = s->av; \ |
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const int h = s->height[1]; \ |
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const int w = s->width[1]; \ |
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const int slice_start = (h * jobnr) / nb_jobs; \ |
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const int slice_end = (h * (jobnr+1)) / nb_jobs; \ |
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const type *sr = (const type *)in->data[2]; \ |
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const type *sg = (const type *)in->data[0]; \ |
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const type *sb = (const type *)in->data[1]; \ |
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const type *sa = (const type *)in->data[3]; \ |
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type *dr = (type *)out->data[2] + slice_start * rlinesize; \ |
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type *dg = (type *)out->data[0] + slice_start * glinesize; \ |
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type *db = (type *)out->data[1] + slice_start * blinesize; \ |
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type *da = (type *)out->data[3] + slice_start * alinesize; \ |
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\ |
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for (int y = slice_start; y < slice_end; y++) { \ |
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int ry = (y - rv) % h; \ |
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int gy = (y - gv) % h; \ |
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int by = (y - bv) % h; \ |
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\ |
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if (ry < 0) \ |
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ry += h; \ |
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if (gy < 0) \ |
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gy += h; \ |
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if (by < 0) \ |
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by += h; \ |
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\ |
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for (int x = 0; x < w; x++) { \ |
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int rx = (x - rh) % w; \ |
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int gx = (x - gh) % w; \ |
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int bx = (x - bh) % w; \ |
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\ |
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if (rx < 0) \ |
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rx += w; \ |
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if (gx < 0) \ |
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gx += w; \ |
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if (bx < 0) \ |
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bx += w; \ |
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dr[x] = sr[rx + ry * srlinesize]; \ |
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dg[x] = sg[gx + gy * sglinesize]; \ |
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db[x] = sb[bx + by * sblinesize]; \ |
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} \ |
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\ |
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dr += rlinesize; \ |
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dg += glinesize; \ |
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db += blinesize; \ |
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\ |
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if (s->nb_planes < 4) \ |
324 |
|
|
continue; \ |
325 |
|
|
for (int x = 0; x < w; x++) { \ |
326 |
|
|
int ax = (x - ah) % w; \ |
327 |
|
|
int ay = (x - av) % h; \ |
328 |
|
|
\ |
329 |
|
|
if (ax < 0) \ |
330 |
|
|
ax += w; \ |
331 |
|
|
if (ay < 0) \ |
332 |
|
|
ay += h; \ |
333 |
|
|
da[x] = sa[ax + ay * salinesize]; \ |
334 |
|
|
} \ |
335 |
|
|
\ |
336 |
|
|
da += alinesize; \ |
337 |
|
|
} \ |
338 |
|
|
\ |
339 |
|
|
return 0; \ |
340 |
|
|
} |
341 |
|
|
|
342 |
|
|
DEFINE_RGBAWRAP(8, uint8_t, 1) |
343 |
|
|
DEFINE_RGBAWRAP(16, uint16_t, 2) |
344 |
|
|
|
345 |
|
|
static int filter_frame(AVFilterLink *inlink, AVFrame *in) |
346 |
|
|
{ |
347 |
|
|
AVFilterContext *ctx = inlink->dst; |
348 |
|
|
AVFilterLink *outlink = ctx->outputs[0]; |
349 |
|
|
ChromaShiftContext *s = ctx->priv; |
350 |
|
|
AVFrame *out; |
351 |
|
|
|
352 |
|
|
out = ff_get_video_buffer(outlink, outlink->w, outlink->h); |
353 |
|
|
if (!out) { |
354 |
|
|
av_frame_free(&in); |
355 |
|
|
return AVERROR(ENOMEM); |
356 |
|
|
} |
357 |
|
|
av_frame_copy_props(out, in); |
358 |
|
|
|
359 |
|
|
s->in = in; |
360 |
|
|
if (!s->is_rgbashift) { |
361 |
|
|
av_image_copy_plane(out->data[0], |
362 |
|
|
out->linesize[0], |
363 |
|
|
in->data[0], in->linesize[0], |
364 |
|
|
s->linesize[0], s->height[0]); |
365 |
|
|
} |
366 |
|
|
ctx->internal->execute(ctx, s->filter_slice, out, NULL, |
367 |
|
|
FFMIN3(s->height[1], |
368 |
|
|
s->height[2], |
369 |
|
|
ff_filter_get_nb_threads(ctx))); |
370 |
|
|
s->in = NULL; |
371 |
|
|
av_frame_free(&in); |
372 |
|
|
return ff_filter_frame(outlink, out); |
373 |
|
|
} |
374 |
|
|
|
375 |
|
|
static int config_input(AVFilterLink *inlink) |
376 |
|
|
{ |
377 |
|
|
AVFilterContext *ctx = inlink->dst; |
378 |
|
|
ChromaShiftContext *s = ctx->priv; |
379 |
|
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format); |
380 |
|
|
|
381 |
|
|
s->is_rgbashift = !strcmp(ctx->filter->name, "rgbashift"); |
382 |
|
|
s->depth = desc->comp[0].depth; |
383 |
|
|
s->nb_planes = desc->nb_components; |
384 |
|
|
if (s->is_rgbashift) { |
385 |
|
|
if (s->edge) |
386 |
|
|
s->filter_slice = s->depth > 8 ? rgbawrap_slice16 : rgbawrap_slice8; |
387 |
|
|
else |
388 |
|
|
s->filter_slice = s->depth > 8 ? rgbasmear_slice16 : rgbasmear_slice8; |
389 |
|
|
} else { |
390 |
|
|
if (s->edge) |
391 |
|
|
s->filter_slice = s->depth > 8 ? wrap_slice16 : wrap_slice8; |
392 |
|
|
else |
393 |
|
|
s->filter_slice = s->depth > 8 ? smear_slice16 : smear_slice8; |
394 |
|
|
} |
395 |
|
|
s->height[1] = s->height[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h); |
396 |
|
|
s->height[0] = s->height[3] = inlink->h; |
397 |
|
|
s->width[1] = s->width[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w); |
398 |
|
|
s->width[0] = s->width[3] = inlink->w; |
399 |
|
|
|
400 |
|
|
return av_image_fill_linesizes(s->linesize, inlink->format, inlink->w); |
401 |
|
|
} |
402 |
|
|
|
403 |
|
|
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, |
404 |
|
|
char *res, int res_len, int flags) |
405 |
|
|
{ |
406 |
|
|
int ret; |
407 |
|
|
|
408 |
|
|
ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags); |
409 |
|
|
if (ret < 0) |
410 |
|
|
return ret; |
411 |
|
|
|
412 |
|
|
return config_input(ctx->inputs[0]); |
413 |
|
|
} |
414 |
|
|
|
415 |
|
|
#define OFFSET(x) offsetof(ChromaShiftContext, x) |
416 |
|
|
#define VFR AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_RUNTIME_PARAM |
417 |
|
|
|
418 |
|
|
static const AVOption chromashift_options[] = { |
419 |
|
|
{ "cbh", "shift chroma-blue horizontally", OFFSET(cbh), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR }, |
420 |
|
|
{ "cbv", "shift chroma-blue vertically", OFFSET(cbv), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR }, |
421 |
|
|
{ "crh", "shift chroma-red horizontally", OFFSET(crh), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR }, |
422 |
|
|
{ "crv", "shift chroma-red vertically", OFFSET(crv), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR }, |
423 |
|
|
{ "edge", "set edge operation", OFFSET(edge), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, .flags = VFR, "edge" }, |
424 |
|
|
{ "smear", 0, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, .flags = VFR, "edge" }, |
425 |
|
|
{ "wrap", 0, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, .flags = VFR, "edge" }, |
426 |
|
|
{ NULL }, |
427 |
|
|
}; |
428 |
|
|
|
429 |
|
|
static const AVFilterPad inputs[] = { |
430 |
|
|
{ |
431 |
|
|
.name = "default", |
432 |
|
|
.type = AVMEDIA_TYPE_VIDEO, |
433 |
|
|
.filter_frame = filter_frame, |
434 |
|
|
.config_props = config_input, |
435 |
|
|
}, |
436 |
|
|
{ NULL } |
437 |
|
|
}; |
438 |
|
|
|
439 |
|
|
static const AVFilterPad outputs[] = { |
440 |
|
|
{ |
441 |
|
|
.name = "default", |
442 |
|
|
.type = AVMEDIA_TYPE_VIDEO, |
443 |
|
|
}, |
444 |
|
|
{ NULL } |
445 |
|
|
}; |
446 |
|
|
|
447 |
|
|
AVFILTER_DEFINE_CLASS(chromashift); |
448 |
|
|
|
449 |
|
|
AVFilter ff_vf_chromashift = { |
450 |
|
|
.name = "chromashift", |
451 |
|
|
.description = NULL_IF_CONFIG_SMALL("Shift chroma."), |
452 |
|
|
.priv_size = sizeof(ChromaShiftContext), |
453 |
|
|
.priv_class = &chromashift_class, |
454 |
|
|
.query_formats = query_formats, |
455 |
|
|
.outputs = outputs, |
456 |
|
|
.inputs = inputs, |
457 |
|
|
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS, |
458 |
|
|
.process_command = process_command, |
459 |
|
|
}; |
460 |
|
|
|
461 |
|
|
static const AVOption rgbashift_options[] = { |
462 |
|
|
{ "rh", "shift red horizontally", OFFSET(rh), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR }, |
463 |
|
|
{ "rv", "shift red vertically", OFFSET(rv), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR }, |
464 |
|
|
{ "gh", "shift green horizontally", OFFSET(gh), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR }, |
465 |
|
|
{ "gv", "shift green vertically", OFFSET(gv), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR }, |
466 |
|
|
{ "bh", "shift blue horizontally", OFFSET(bh), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR }, |
467 |
|
|
{ "bv", "shift blue vertically", OFFSET(bv), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR }, |
468 |
|
|
{ "ah", "shift alpha horizontally", OFFSET(ah), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR }, |
469 |
|
|
{ "av", "shift alpha vertically", OFFSET(av), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR }, |
470 |
|
|
{ "edge", "set edge operation", OFFSET(edge), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, .flags = VFR, "edge" }, |
471 |
|
|
{ "smear", 0, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, .flags = VFR, "edge" }, |
472 |
|
|
{ "wrap", 0, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, .flags = VFR, "edge" }, |
473 |
|
|
{ NULL }, |
474 |
|
|
}; |
475 |
|
|
|
476 |
|
|
AVFILTER_DEFINE_CLASS(rgbashift); |
477 |
|
|
|
478 |
|
|
AVFilter ff_vf_rgbashift = { |
479 |
|
|
.name = "rgbashift", |
480 |
|
|
.description = NULL_IF_CONFIG_SMALL("Shift RGBA."), |
481 |
|
|
.priv_size = sizeof(ChromaShiftContext), |
482 |
|
|
.priv_class = &rgbashift_class, |
483 |
|
|
.query_formats = query_formats, |
484 |
|
|
.outputs = outputs, |
485 |
|
|
.inputs = inputs, |
486 |
|
|
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS, |
487 |
|
|
.process_command = process_command, |
488 |
|
|
}; |