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/* |
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* Copyright (c) 2019 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/imgutils.h" |
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#include "libavutil/pixdesc.h" |
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#include "libavutil/opt.h" |
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#include "avfilter.h" |
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#include "filters.h" |
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#include "video.h" |
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#include "framesync.h" |
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#define OFFSET(x) offsetof(MaskedMinMaxContext, 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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typedef struct ThreadData { |
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AVFrame *src, *f1, *f2, *dst; |
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} ThreadData; |
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typedef struct MaskedMinMaxContext { |
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const AVClass *class; |
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int planes; |
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int maskedmin; |
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int linesize[4]; |
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int planewidth[4], planeheight[4]; |
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int nb_planes; |
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int depth; |
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FFFrameSync fs; |
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void (*maskedminmax)(const uint8_t *src, uint8_t *dst, const uint8_t *f1, const uint8_t *f2, int w); |
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} MaskedMinMaxContext; |
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static const AVOption maskedminmax_options[] = { |
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{ "planes", "set planes", OFFSET(planes), AV_OPT_TYPE_INT, {.i64=0xF}, 0, 0xF, FLAGS }, |
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{ NULL } |
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}; |
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static av_cold int maskedmin_init(AVFilterContext *ctx) |
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{ |
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MaskedMinMaxContext *s = ctx->priv; |
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s->maskedmin = 1; |
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return 0; |
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} |
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static const enum AVPixelFormat pix_fmts[] = { |
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AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV440P, |
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AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ440P, |
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AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUV420P, |
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AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P, |
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AV_PIX_FMT_YUVJ411P, 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, |
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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_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14, |
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AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16, |
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AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9, |
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AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10, |
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AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA444P12, |
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AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16, |
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AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, |
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AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16, |
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AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16, |
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AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16, |
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AV_PIX_FMT_GRAYF32, AV_PIX_FMT_GBRPF32, AV_PIX_FMT_GBRAPF32, |
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AV_PIX_FMT_NONE |
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}; |
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#define MASKED(n, type, op) \ |
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static void masked##n(const uint8_t *ssrc, uint8_t *ddst, \ |
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const uint8_t *ff1, \ |
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const uint8_t *ff2, int w) \ |
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{ \ |
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const type *src = (const type *)ssrc; \ |
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const type *f1 = (const type *)ff1; \ |
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const type *f2 = (const type *)ff2; \ |
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type *dst = (type *)ddst; \ |
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\ |
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for (int x = 0; x < w; x++) \ |
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dst[x] = FFABS(src[x] - f2[x]) op FFABS(src[x] - f1[x]) ? f2[x] : f1[x]; \ |
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} |
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MASKED(min8, uint8_t, <) |
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MASKED(max8, uint8_t, >) |
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MASKED(min16, uint16_t, <) |
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MASKED(max16, uint16_t, >) |
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MASKED(min32, float, <) |
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MASKED(max32, float, >) |
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static int config_input(AVFilterLink *inlink) |
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{ |
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AVFilterContext *ctx = inlink->dst; |
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MaskedMinMaxContext *s = ctx->priv; |
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format); |
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int vsub, hsub, ret; |
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s->nb_planes = av_pix_fmt_count_planes(inlink->format); |
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if ((ret = av_image_fill_linesizes(s->linesize, inlink->format, inlink->w)) < 0) |
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return ret; |
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hsub = desc->log2_chroma_w; |
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vsub = desc->log2_chroma_h; |
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s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, vsub); |
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s->planeheight[0] = s->planeheight[3] = inlink->h; |
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s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, hsub); |
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s->planewidth[0] = s->planewidth[3] = inlink->w; |
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s->depth = desc->comp[0].depth; |
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if (desc->comp[0].depth == 8) |
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s->maskedminmax = s->maskedmin ? maskedmin8 : maskedmax8; |
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else if (desc->comp[0].depth <= 16) |
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s->maskedminmax = s->maskedmin ? maskedmin16 : maskedmax16; |
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else |
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s->maskedminmax = s->maskedmin ? maskedmin32 : maskedmax32; |
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return 0; |
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} |
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static int maskedminmax_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) |
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{ |
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MaskedMinMaxContext *s = ctx->priv; |
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ThreadData *td = arg; |
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for (int p = 0; p < s->nb_planes; p++) { |
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const ptrdiff_t src_linesize = td->src->linesize[p]; |
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const ptrdiff_t f1_linesize = td->f1->linesize[p]; |
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const ptrdiff_t f2_linesize = td->f2->linesize[p]; |
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const ptrdiff_t dst_linesize = td->dst->linesize[p]; |
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const int w = s->planewidth[p]; |
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const int h = s->planeheight[p]; |
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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 uint8_t *src = td->src->data[p] + slice_start * src_linesize; |
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const uint8_t *f1 = td->f1->data[p] + slice_start * f1_linesize; |
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const uint8_t *f2 = td->f2->data[p] + slice_start * f2_linesize; |
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uint8_t *dst = td->dst->data[p] + slice_start * dst_linesize; |
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if (!((1 << p) & s->planes)) { |
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av_image_copy_plane(dst, dst_linesize, src, src_linesize, |
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s->linesize[p], slice_end - slice_start); |
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continue; |
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} |
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for (int y = slice_start; y < slice_end; y++) { |
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s->maskedminmax(src, dst, f1, f2, w); |
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dst += dst_linesize; |
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src += src_linesize; |
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f1 += f1_linesize; |
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f2 += f2_linesize; |
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} |
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} |
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return 0; |
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} |
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static int process_frame(FFFrameSync *fs) |
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{ |
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AVFilterContext *ctx = fs->parent; |
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MaskedMinMaxContext *s = fs->opaque; |
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AVFilterLink *outlink = ctx->outputs[0]; |
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AVFrame *out, *src, *f1, *f2; |
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int ret; |
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if ((ret = ff_framesync_get_frame(&s->fs, 0, &src, 0)) < 0 || |
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(ret = ff_framesync_get_frame(&s->fs, 1, &f1, 0)) < 0 || |
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(ret = ff_framesync_get_frame(&s->fs, 2, &f2, 0)) < 0) |
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return ret; |
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if (ctx->is_disabled) { |
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out = av_frame_clone(src); |
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if (!out) |
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return AVERROR(ENOMEM); |
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} else { |
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ThreadData td; |
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out = ff_get_video_buffer(outlink, outlink->w, outlink->h); |
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if (!out) |
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return AVERROR(ENOMEM); |
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av_frame_copy_props(out, src); |
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td.src = src; |
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td.f1 = f1; |
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td.f2 = f2; |
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td.dst = out; |
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ff_filter_execute(ctx, maskedminmax_slice, &td, NULL, |
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FFMIN(s->planeheight[0], ff_filter_get_nb_threads(ctx))); |
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} |
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out->pts = av_rescale_q(s->fs.pts, s->fs.time_base, outlink->time_base); |
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return ff_filter_frame(outlink, out); |
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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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MaskedMinMaxContext *s = ctx->priv; |
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AVFilterLink *source = ctx->inputs[0]; |
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AVFilterLink *f1 = ctx->inputs[1]; |
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AVFilterLink *f2 = ctx->inputs[2]; |
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FilterLink *il = ff_filter_link(source); |
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FilterLink *ol = ff_filter_link(outlink); |
225 |
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FFFrameSyncIn *in; |
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int ret; |
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228 |
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if (source->w != f1->w || source->h != f1->h || |
229 |
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source->w != f2->w || source->h != f2->h) { |
230 |
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av_log(ctx, AV_LOG_ERROR, "First input link %s parameters " |
231 |
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"(size %dx%d) do not match the corresponding " |
232 |
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"second input link %s parameters (%dx%d) " |
233 |
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"and/or third input link %s parameters (size %dx%d)\n", |
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ctx->input_pads[0].name, source->w, source->h, |
235 |
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ctx->input_pads[1].name, f1->w, f1->h, |
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ctx->input_pads[2].name, f2->w, f2->h); |
237 |
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return AVERROR(EINVAL); |
238 |
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} |
239 |
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240 |
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outlink->w = source->w; |
241 |
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outlink->h = source->h; |
242 |
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outlink->sample_aspect_ratio = source->sample_aspect_ratio; |
243 |
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ol->frame_rate = il->frame_rate; |
244 |
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245 |
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if ((ret = ff_framesync_init(&s->fs, ctx, 3)) < 0) |
246 |
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return ret; |
247 |
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248 |
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✗ |
in = s->fs.in; |
249 |
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in[0].time_base = source->time_base; |
250 |
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in[1].time_base = f1->time_base; |
251 |
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in[2].time_base = f2->time_base; |
252 |
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✗ |
in[0].sync = 1; |
253 |
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in[0].before = EXT_STOP; |
254 |
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in[0].after = EXT_INFINITY; |
255 |
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in[1].sync = 1; |
256 |
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in[1].before = EXT_STOP; |
257 |
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in[1].after = EXT_INFINITY; |
258 |
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in[2].sync = 1; |
259 |
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in[2].before = EXT_STOP; |
260 |
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in[2].after = EXT_INFINITY; |
261 |
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s->fs.opaque = s; |
262 |
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s->fs.on_event = process_frame; |
263 |
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264 |
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ret = ff_framesync_configure(&s->fs); |
265 |
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outlink->time_base = s->fs.time_base; |
266 |
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267 |
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✗ |
return ret; |
268 |
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} |
269 |
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270 |
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✗ |
static int activate(AVFilterContext *ctx) |
271 |
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{ |
272 |
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✗ |
MaskedMinMaxContext *s = ctx->priv; |
273 |
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✗ |
return ff_framesync_activate(&s->fs); |
274 |
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} |
275 |
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276 |
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✗ |
static av_cold void uninit(AVFilterContext *ctx) |
277 |
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{ |
278 |
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✗ |
MaskedMinMaxContext *s = ctx->priv; |
279 |
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|
280 |
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✗ |
ff_framesync_uninit(&s->fs); |
281 |
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✗ |
} |
282 |
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283 |
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static const AVFilterPad maskedminmax_inputs[] = { |
284 |
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{ |
285 |
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.name = "source", |
286 |
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.type = AVMEDIA_TYPE_VIDEO, |
287 |
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.config_props = config_input, |
288 |
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}, |
289 |
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{ |
290 |
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.name = "filter1", |
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.type = AVMEDIA_TYPE_VIDEO, |
292 |
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}, |
293 |
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{ |
294 |
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.name = "filter2", |
295 |
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.type = AVMEDIA_TYPE_VIDEO, |
296 |
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}, |
297 |
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}; |
298 |
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299 |
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static const AVFilterPad maskedminmax_outputs[] = { |
300 |
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{ |
301 |
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.name = "default", |
302 |
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.type = AVMEDIA_TYPE_VIDEO, |
303 |
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.config_props = config_output, |
304 |
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}, |
305 |
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}; |
306 |
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307 |
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AVFILTER_DEFINE_CLASS_EXT(maskedminmax, "masked(min|max)", maskedminmax_options); |
308 |
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309 |
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const AVFilter ff_vf_maskedmin = { |
310 |
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.name = "maskedmin", |
311 |
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.description = NULL_IF_CONFIG_SMALL("Apply filtering with minimum difference of two streams."), |
312 |
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.priv_class = &maskedminmax_class, |
313 |
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.priv_size = sizeof(MaskedMinMaxContext), |
314 |
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.init = maskedmin_init, |
315 |
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.uninit = uninit, |
316 |
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.activate = activate, |
317 |
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FILTER_INPUTS(maskedminmax_inputs), |
318 |
|
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FILTER_OUTPUTS(maskedminmax_outputs), |
319 |
|
|
FILTER_PIXFMTS_ARRAY(pix_fmts), |
320 |
|
|
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS, |
321 |
|
|
.process_command = ff_filter_process_command, |
322 |
|
|
}; |
323 |
|
|
|
324 |
|
|
const AVFilter ff_vf_maskedmax = { |
325 |
|
|
.name = "maskedmax", |
326 |
|
|
.description = NULL_IF_CONFIG_SMALL("Apply filtering with maximum difference of two streams."), |
327 |
|
|
.priv_class = &maskedminmax_class, |
328 |
|
|
.priv_size = sizeof(MaskedMinMaxContext), |
329 |
|
|
.uninit = uninit, |
330 |
|
|
.activate = activate, |
331 |
|
|
FILTER_INPUTS(maskedminmax_inputs), |
332 |
|
|
FILTER_OUTPUTS(maskedminmax_outputs), |
333 |
|
|
FILTER_PIXFMTS_ARRAY(pix_fmts), |
334 |
|
|
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS, |
335 |
|
|
.process_command = ff_filter_process_command, |
336 |
|
|
}; |
337 |
|
|
|