mirror of
https://github.com/FFmpeg/FFmpeg.git
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a04ad248a0
This is possible now that the next-API is gone. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com> Signed-off-by: James Almer <jamrial@gmail.com>
592 lines
25 KiB
C
592 lines
25 KiB
C
/*
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* Copyright (c) 2021 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/common.h"
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#include "libavutil/imgutils.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 ESTDIFContext {
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const AVClass *class;
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int mode; ///< 0 is frame, 1 is field
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int parity; ///< frame field parity
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int deint; ///< which frames to deinterlace
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int rslope; ///< best edge slope search radius
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int redge; ///< best edge match search radius
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int interp; ///< type of interpolation
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int linesize[4]; ///< bytes of pixel data per line for each plane
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int planewidth[4]; ///< width of each plane
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int planeheight[4]; ///< height of each plane
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int field; ///< which field are we on, 0 or 1
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int eof;
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int depth;
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int half;
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int nb_planes;
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int nb_threads;
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int64_t pts;
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AVFrame *prev;
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void (*interpolate)(struct ESTDIFContext *s, uint8_t *dst,
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const uint8_t *prev_line, const uint8_t *next_line,
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const uint8_t *prev2_line, const uint8_t *next2_line,
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const uint8_t *prev3_line, const uint8_t *next3_line,
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int x, int width, int rslope, int redge, unsigned half,
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int depth, int *K);
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unsigned (*mid_8[3])(const uint8_t *const prev,
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const uint8_t *const next,
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const uint8_t *const prev2,
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const uint8_t *const next2,
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const uint8_t *const prev3,
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const uint8_t *const next3,
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int end, int x, int k, int depth);
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unsigned (*mid_16[3])(const uint16_t *const prev,
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const uint16_t *const next,
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const uint16_t *const prev2,
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const uint16_t *const next2,
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const uint16_t *const prev3,
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const uint16_t *const next3,
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int end, int x, int k, int depth);
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} ESTDIFContext;
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#define MAX_R 15
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#define S (MAX_R * 2 + 1)
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#define OFFSET(x) offsetof(ESTDIFContext, x)
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#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
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#define CONST(name, help, val, unit) { name, help, 0, AV_OPT_TYPE_CONST, {.i64=val}, 0, 0, FLAGS, unit }
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static const AVOption estdif_options[] = {
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{ "mode", "specify the mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=1}, 0, 1, FLAGS, "mode" },
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CONST("frame", "send one frame for each frame", 0, "mode"),
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CONST("field", "send one frame for each field", 1, "mode"),
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{ "parity", "specify the assumed picture field parity", OFFSET(parity), AV_OPT_TYPE_INT, {.i64=-1}, -1, 1, FLAGS, "parity" },
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CONST("tff", "assume top field first", 0, "parity"),
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CONST("bff", "assume bottom field first", 1, "parity"),
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CONST("auto", "auto detect parity", -1, "parity"),
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{ "deint", "specify which frames to deinterlace", OFFSET(deint), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS, "deint" },
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CONST("all", "deinterlace all frames", 0, "deint"),
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CONST("interlaced", "only deinterlace frames marked as interlaced", 1, "deint"),
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{ "rslope", "specify the search radius for edge slope tracing", OFFSET(rslope), AV_OPT_TYPE_INT, {.i64=1}, 1, MAX_R, FLAGS, },
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{ "redge", "specify the search radius for best edge matching", OFFSET(redge), AV_OPT_TYPE_INT, {.i64=2}, 0, MAX_R, FLAGS, },
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{ "interp", "specify the type of interpolation", OFFSET(interp), AV_OPT_TYPE_INT, {.i64=1}, 0, 2, FLAGS, "interp" },
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CONST("2p", "two-point interpolation", 0, "interp"),
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CONST("4p", "four-point interpolation", 1, "interp"),
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CONST("6p", "six-point interpolation", 2, "interp"),
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{ NULL }
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};
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AVFILTER_DEFINE_CLASS(estdif);
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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_YUV410P, AV_PIX_FMT_YUV411P,
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AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P,
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AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P,
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AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ440P,
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AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P,
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AV_PIX_FMT_YUVJ411P,
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AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P,
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AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP,
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AV_PIX_FMT_GRAY8,
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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_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_YUV440P10,
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AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12,
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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_GBRP9, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
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AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA444P12, AV_PIX_FMT_YUVA444P16,
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AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA422P16,
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AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA420P16,
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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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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 int config_output(AVFilterLink *outlink)
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{
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AVFilterContext *ctx = outlink->src;
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AVFilterLink *inlink = ctx->inputs[0];
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outlink->time_base.num = inlink->time_base.num;
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outlink->time_base.den = inlink->time_base.den * 2;
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outlink->frame_rate.num = inlink->frame_rate.num * 2;
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outlink->frame_rate.den = inlink->frame_rate.den;
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return 0;
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}
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typedef struct ThreadData {
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AVFrame *out, *in;
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} ThreadData;
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#define MIDL(type, ss) \
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static unsigned midl_##ss(const type *const prev, \
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const type *const next, \
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int end, int x, int k) \
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{ \
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return (prev[av_clip(x + k, 0, end)] + \
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next[av_clip(x - k, 0, end)] + 1) >> 1; \
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}
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MIDL(uint8_t, 8)
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MIDL(uint16_t, 16)
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#define MID2(type, ss) \
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static unsigned mid2_##ss(const type *const prev, \
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const type *const next, \
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const type *const prev2, \
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const type *const next2, \
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const type *const prev3, \
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const type *const next3, \
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int end, int x, int k, int depth) \
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{ \
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return (prev[av_clip(x + k, 0, end)] + \
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next[av_clip(x - k, 0, end)] + 1) >> 1; \
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}
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MID2(uint8_t, 8)
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MID2(uint16_t, 16)
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#define MID4(type, ss) \
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static unsigned mid4_##ss(const type *const prev, \
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const type *const next, \
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const type *const prev2, \
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const type *const next2, \
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const type *const prev3, \
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const type *const next3, \
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int end, int x, int k, int depth) \
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{ \
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return av_clip_uintp2_c(( \
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9 * (prev[av_clip(x + k, 0, end)] + \
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next[av_clip(x - k, 0, end)]) - \
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1 * (prev2[av_clip(x + k*3, 0, end)] + \
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next2[av_clip(x - k*3, 0, end)]) + 8) >> 4, \
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depth); \
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}
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MID4(uint8_t, 8)
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MID4(uint16_t, 16)
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#define MID6(type, ss) \
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static unsigned mid6_##ss(const type *const prev, \
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const type *const next, \
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const type *const prev2, \
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const type *const next2, \
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const type *const prev3, \
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const type *const next3, \
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int end, int x, int k, int depth) \
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{ \
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return av_clip_uintp2_c(( \
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20 * (prev[av_clip(x + k, 0, end)] + \
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next[av_clip(x - k, 0, end)]) - \
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5 * (prev2[av_clip(x + k*3, 0, end)] + \
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next2[av_clip(x - k*3, 0, end)]) + \
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1 * (prev3[av_clip(x + k*5, 0, end)] + \
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next3[av_clip(x - k*5, 0, end)]) + 16) >> 5, \
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depth); \
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}
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MID6(uint8_t, 8)
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MID6(uint16_t, 16)
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#define DIFF(type, ss) \
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static unsigned diff_##ss(const type *const prev, \
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const type *const next, \
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int end, int x, int k, int j) \
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{ \
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return FFABS(prev[av_clip(x + k + j, 0, end)] - \
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next[av_clip(x - k + j, 0, end)]); \
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}
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DIFF(uint8_t, 8)
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DIFF(uint16_t, 16)
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#define COST(type, ss) \
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static unsigned cost_##ss(const type *const prev, \
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const type *const next, \
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int end, int x, int k) \
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{ \
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const int m = midl_##ss(prev, next, end, x, k); \
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const int p = prev[x]; \
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const int n = next[x]; \
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\
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return FFABS(p - m) + FFABS(n - m); \
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}
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COST(uint8_t, 8)
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COST(uint16_t, 16)
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#define INTERPOLATE(type, atype, max, ss) \
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static void interpolate_##ss(ESTDIFContext *s, uint8_t *ddst, \
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const uint8_t *const pprev_line, \
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const uint8_t *const nnext_line, \
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const uint8_t *const pprev2_line, \
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const uint8_t *const nnext2_line, \
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const uint8_t *const pprev3_line, \
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const uint8_t *const nnext3_line, \
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int x, int width, int rslope, \
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int redge, unsigned h, int depth, \
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int *K) \
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{ \
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type *dst = (type *)ddst; \
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const type *const prev_line = (const type *const)pprev_line; \
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const type *const prev2_line = (const type *const)pprev2_line; \
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const type *const prev3_line = (const type *const)pprev3_line; \
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const type *const next_line = (const type *const)nnext_line; \
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const type *const next2_line = (const type *const)nnext2_line; \
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const type *const next3_line = (const type *const)nnext3_line; \
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const int interp = s->interp; \
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const int end = width - 1; \
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const atype f = redge + 2; \
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atype sd[S], sD[S], di = 0; \
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atype dmin = max; \
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int k = *K; \
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\
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for (int i = -rslope; i <= rslope && abs(k) > rslope; i++) { \
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atype sum = 0; \
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\
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for (int j = -redge; j <= redge; j++) { \
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sum += diff_##ss(prev_line, next_line, end, x, i, j); \
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sum += diff_##ss(prev2_line, prev_line, end, x, i, j); \
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sum += diff_##ss(next_line, next2_line, end, x, i, j); \
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} \
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\
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sD[i + rslope] = sum; \
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sD[i + rslope] += f * cost_##ss(prev_line, next_line, end, x, i); \
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sD[i + rslope] += h * abs(i); \
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\
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dmin = FFMIN(sD[i + rslope], dmin); \
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} \
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\
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for (int i = -rslope; i <= rslope; i++) { \
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atype sum = 0; \
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\
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for (int j = -redge; j <= redge; j++) { \
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sum += diff_##ss(prev_line, next_line, end, x, k + i, j); \
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sum += diff_##ss(prev2_line, prev_line, end, x, k + i, j); \
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sum += diff_##ss(next_line, next2_line, end, x, k + i, j); \
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} \
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\
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sd[i + rslope] = sum; \
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sd[i + rslope] += f * cost_##ss(prev_line, next_line, end, x, k + i); \
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sd[i + rslope] += h * abs(k + i); \
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\
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dmin = FFMIN(sd[i + rslope], dmin); \
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} \
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\
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for (int i = -rslope; i <= rslope && abs(k) > rslope; i++) { \
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if (dmin == sD[i + rslope]) { \
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di = 1; \
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k = i; \
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break; \
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} \
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} \
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\
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for (int i = -rslope; i <= rslope && !di; i++) { \
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if (dmin == sd[i + rslope]) { \
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k += i; \
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break; \
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} \
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} \
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\
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dst[x] = s->mid_##ss[interp](prev_line, next_line, \
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prev2_line, next2_line, \
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prev3_line, next3_line, \
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end, x, k, depth); \
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\
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*K = k; \
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}
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INTERPOLATE(uint8_t, unsigned, UINT_MAX, 8)
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INTERPOLATE(uint16_t, uint64_t, UINT64_MAX, 16)
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static int deinterlace_slice(AVFilterContext *ctx, void *arg,
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int jobnr, int nb_jobs)
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{
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ESTDIFContext *s = ctx->priv;
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ThreadData *td = arg;
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AVFrame *out = td->out;
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AVFrame *in = td->in;
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const int rslope = s->rslope;
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const int redge = s->redge;
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const int half = s->half;
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const int depth = s->depth;
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const int interlaced = in->interlaced_frame;
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const int tff = (s->field == (s->parity == -1 ? interlaced ? in->top_field_first : 1 :
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s->parity ^ 1));
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for (int plane = 0; plane < s->nb_planes; plane++) {
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const uint8_t *src_data = in->data[plane];
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uint8_t *dst_data = out->data[plane];
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const int linesize = s->linesize[plane];
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const int width = s->planewidth[plane];
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const int height = s->planeheight[plane];
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const int src_linesize = in->linesize[plane];
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const int dst_linesize = out->linesize[plane];
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const int start = (height * jobnr) / nb_jobs;
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const int end = (height * (jobnr+1)) / nb_jobs;
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const uint8_t *prev_line, *prev2_line, *next_line, *next2_line, *in_line;
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const uint8_t *prev3_line, *next3_line;
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uint8_t *out_line;
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int y_out;
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y_out = start + (tff ^ (start & 1));
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in_line = src_data + (y_out * src_linesize);
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out_line = dst_data + (y_out * dst_linesize);
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while (y_out < end) {
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memcpy(out_line, in_line, linesize);
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y_out += 2;
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in_line += src_linesize * 2;
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out_line += dst_linesize * 2;
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}
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y_out = start + ((!tff) ^ (start & 1));
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out_line = dst_data + (y_out * dst_linesize);
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for (int y = y_out; y < end; y += 2) {
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int y_prev3_in = y - 5;
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int y_next3_in = y + 5;
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int y_prev2_in = y - 3;
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int y_next2_in = y + 3;
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int y_prev_in = y - 1;
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int y_next_in = y + 1;
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int k;
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while (y_prev3_in < 0)
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y_prev3_in += 2;
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while (y_next3_in >= height)
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y_next3_in -= 2;
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while (y_prev2_in < 0)
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y_prev2_in += 2;
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while (y_next2_in >= height)
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y_next2_in -= 2;
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while (y_prev_in < 0)
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y_prev_in += 2;
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while (y_next_in >= height)
|
|
y_next_in -= 2;
|
|
|
|
prev3_line = src_data + (y_prev3_in * src_linesize);
|
|
next3_line = src_data + (y_next3_in * src_linesize);
|
|
|
|
prev2_line = src_data + (y_prev2_in * src_linesize);
|
|
next2_line = src_data + (y_next2_in * src_linesize);
|
|
|
|
prev_line = src_data + (y_prev_in * src_linesize);
|
|
next_line = src_data + (y_next_in * src_linesize);
|
|
|
|
k = 0;
|
|
|
|
for (int x = 0; x < width; x++) {
|
|
s->interpolate(s, out_line,
|
|
prev_line, next_line,
|
|
prev2_line, next2_line,
|
|
prev3_line, next3_line,
|
|
x, width, rslope, redge, half, depth, &k);
|
|
}
|
|
|
|
out_line += 2 * dst_linesize;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int filter(AVFilterContext *ctx, int is_second, AVFrame *in)
|
|
{
|
|
ESTDIFContext *s = ctx->priv;
|
|
AVFilterLink *outlink = ctx->outputs[0];
|
|
AVFrame *out;
|
|
ThreadData td;
|
|
|
|
out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
|
|
if (!out)
|
|
return AVERROR(ENOMEM);
|
|
av_frame_copy_props(out, in);
|
|
out->interlaced_frame = 0;
|
|
out->pts = s->pts;
|
|
|
|
td.out = out; td.in = in;
|
|
ctx->internal->execute(ctx, deinterlace_slice, &td, NULL,
|
|
FFMIN(s->planeheight[1] / 2, s->nb_threads));
|
|
|
|
if (s->mode)
|
|
s->field = !s->field;
|
|
|
|
return ff_filter_frame(outlink, out);
|
|
}
|
|
|
|
static int config_input(AVFilterLink *inlink)
|
|
{
|
|
AVFilterContext *ctx = inlink->dst;
|
|
ESTDIFContext *s = ctx->priv;
|
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
|
|
int ret;
|
|
|
|
if ((ret = av_image_fill_linesizes(s->linesize, inlink->format, inlink->w)) < 0)
|
|
return ret;
|
|
|
|
s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
|
|
s->planeheight[0] = s->planeheight[3] = inlink->h;
|
|
s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
|
|
s->planewidth[0] = s->planewidth[3] = inlink->w;
|
|
|
|
if (inlink->h < 3) {
|
|
av_log(ctx, AV_LOG_ERROR, "Video of less than 3 lines is not supported\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
s->nb_planes = av_pix_fmt_count_planes(inlink->format);
|
|
s->nb_threads = ff_filter_get_nb_threads(ctx);
|
|
s->depth = desc->comp[0].depth;
|
|
s->interpolate = s->depth <= 8 ? interpolate_8 : interpolate_16;
|
|
s->mid_8[0] = mid2_8;
|
|
s->mid_8[1] = mid4_8;
|
|
s->mid_8[2] = mid6_8;
|
|
s->mid_16[0] = mid2_16;
|
|
s->mid_16[1] = mid4_16;
|
|
s->mid_16[2] = mid6_16;
|
|
s->half = 1 << (s->depth - 1);
|
|
|
|
return 0;
|
|
}
|
|
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
|
|
{
|
|
AVFilterContext *ctx = inlink->dst;
|
|
ESTDIFContext *s = ctx->priv;
|
|
int ret;
|
|
|
|
if (!s->prev) {
|
|
s->prev = in;
|
|
return 0;
|
|
}
|
|
|
|
if ((s->deint && !in->interlaced_frame) || ctx->is_disabled) {
|
|
s->prev->pts *= 2;
|
|
ret = ff_filter_frame(ctx->outputs[0], s->prev);
|
|
s->prev = in;
|
|
return ret;
|
|
}
|
|
|
|
s->pts = s->prev->pts * 2;
|
|
ret = filter(ctx, 0, s->prev);
|
|
if (ret < 0 || s->mode == 0) {
|
|
av_frame_free(&s->prev);
|
|
s->prev = in;
|
|
return ret;
|
|
}
|
|
|
|
s->pts = s->prev->pts + in->pts;
|
|
ret = filter(ctx, 1, s->prev);
|
|
av_frame_free(&s->prev);
|
|
s->prev = in;
|
|
return ret;
|
|
}
|
|
|
|
static int request_frame(AVFilterLink *link)
|
|
{
|
|
AVFilterContext *ctx = link->src;
|
|
ESTDIFContext *s = ctx->priv;
|
|
int ret;
|
|
|
|
if (s->eof)
|
|
return AVERROR_EOF;
|
|
|
|
ret = ff_request_frame(ctx->inputs[0]);
|
|
|
|
if (ret == AVERROR_EOF && s->prev) {
|
|
AVFrame *next = av_frame_clone(s->prev);
|
|
|
|
if (!next)
|
|
return AVERROR(ENOMEM);
|
|
|
|
next->pts = s->prev->pts + av_rescale_q(1, av_inv_q(ctx->outputs[0]->frame_rate),
|
|
ctx->outputs[0]->time_base);
|
|
s->eof = 1;
|
|
ret = filter_frame(ctx->inputs[0], next);
|
|
} else if (ret < 0) {
|
|
return ret;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static av_cold void uninit(AVFilterContext *ctx)
|
|
{
|
|
ESTDIFContext *s = ctx->priv;
|
|
|
|
av_frame_free(&s->prev);
|
|
}
|
|
|
|
static const AVFilterPad estdif_inputs[] = {
|
|
{
|
|
.name = "default",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.filter_frame = filter_frame,
|
|
.config_props = config_input,
|
|
},
|
|
{ NULL }
|
|
};
|
|
|
|
static const AVFilterPad estdif_outputs[] = {
|
|
{
|
|
.name = "default",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.config_props = config_output,
|
|
.request_frame = request_frame,
|
|
},
|
|
{ NULL }
|
|
};
|
|
|
|
const AVFilter ff_vf_estdif = {
|
|
.name = "estdif",
|
|
.description = NULL_IF_CONFIG_SMALL("Apply Edge Slope Tracing deinterlace."),
|
|
.priv_size = sizeof(ESTDIFContext),
|
|
.priv_class = &estdif_class,
|
|
.uninit = uninit,
|
|
.query_formats = query_formats,
|
|
.inputs = estdif_inputs,
|
|
.outputs = estdif_outputs,
|
|
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS,
|
|
.process_command = ff_filter_process_command,
|
|
};
|