GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavfilter/vf_atadenoise.c Lines: 0 130 0.0 %
Date: 2020-09-25 14:59:26 Branches: 0 106 0.0 %

Line Branch Exec Source
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/*
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 * Copyright (c) 2015 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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/**
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 * @file
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 * Adaptive Temporal Averaging Denoiser,
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 * based on paper "Video Denoising Based on Adaptive Temporal Averaging" by
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 * David Bartovčak and Miroslav Vrankić
26
 */
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#include "libavutil/imgutils.h"
29
#include "libavutil/opt.h"
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#include "libavutil/pixdesc.h"
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#include "avfilter.h"
32
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#define FF_BUFQUEUE_SIZE 129
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#include "bufferqueue.h"
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#include "atadenoise.h"
37
#include "formats.h"
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#include "internal.h"
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#include "video.h"
40
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#define SIZE FF_BUFQUEUE_SIZE
42
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typedef struct ATADenoiseContext {
44
    const AVClass *class;
45
46
    float fthra[4], fthrb[4];
47
    int thra[4], thrb[4];
48
    int algorithm;
49
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    int planes;
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    int nb_planes;
52
    int planewidth[4];
53
    int planeheight[4];
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    struct FFBufQueue q;
56
    void *data[4][SIZE];
57
    int linesize[4][SIZE];
58
    int size, mid;
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    int available;
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    int (*filter_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
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    ATADenoiseDSPContext dsp;
64
} ATADenoiseContext;
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#define OFFSET(x) offsetof(ATADenoiseContext, 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 VF AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
69
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static const AVOption atadenoise_options[] = {
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    { "0a", "set threshold A for 1st plane", OFFSET(fthra[0]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0, 0.3, FLAGS },
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    { "0b", "set threshold B for 1st plane", OFFSET(fthrb[0]), AV_OPT_TYPE_FLOAT, {.dbl=0.04}, 0, 5.0, FLAGS },
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    { "1a", "set threshold A for 2nd plane", OFFSET(fthra[1]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0, 0.3, FLAGS },
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    { "1b", "set threshold B for 2nd plane", OFFSET(fthrb[1]), AV_OPT_TYPE_FLOAT, {.dbl=0.04}, 0, 5.0, FLAGS },
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    { "2a", "set threshold A for 3rd plane", OFFSET(fthra[2]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0, 0.3, FLAGS },
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    { "2b", "set threshold B for 3rd plane", OFFSET(fthrb[2]), AV_OPT_TYPE_FLOAT, {.dbl=0.04}, 0, 5.0, FLAGS },
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    { "s",  "set how many frames to use",    OFFSET(size),     AV_OPT_TYPE_INT,   {.i64=9},   5, SIZE, VF    },
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    { "p",  "set what planes to filter",     OFFSET(planes),   AV_OPT_TYPE_FLAGS, {.i64=7},    0, 15,  FLAGS },
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    { "a",  "set variant of algorithm",      OFFSET(algorithm),AV_OPT_TYPE_INT,   {.i64=PARALLEL},  0, NB_ATAA-1, FLAGS, "a" },
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    { "p",  "parallel",                      0,                AV_OPT_TYPE_CONST, {.i64=PARALLEL},  0, 0,         FLAGS, "a" },
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    { "s",  "serial",                        0,                AV_OPT_TYPE_CONST, {.i64=SERIAL},    0, 0,         FLAGS, "a" },
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    { NULL }
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};
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AVFILTER_DEFINE_CLASS(atadenoise);
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static int query_formats(AVFilterContext *ctx)
88
{
89
    static const enum AVPixelFormat pixel_fmts[] = {
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        AV_PIX_FMT_GRAY8,
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        AV_PIX_FMT_GRAY9,
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        AV_PIX_FMT_GRAY10,
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        AV_PIX_FMT_GRAY12,
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        AV_PIX_FMT_GRAY14,
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        AV_PIX_FMT_GRAY16,
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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_YUVJ420P, AV_PIX_FMT_YUVJ422P,
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        AV_PIX_FMT_YUVJ440P, AV_PIX_FMT_YUVJ444P,
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        AV_PIX_FMT_YUVJ411P,
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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_YUV444P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV420P12,
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        AV_PIX_FMT_YUV440P12,
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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_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_YUVA420P,  AV_PIX_FMT_YUVA422P,   AV_PIX_FMT_YUVA444P,
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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_GBRAP,     AV_PIX_FMT_GBRAP10,    AV_PIX_FMT_GBRAP12,    AV_PIX_FMT_GBRAP16,
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        AV_PIX_FMT_NONE
117
    };
118
    AVFilterFormats *formats = ff_make_format_list(pixel_fmts);
119
    if (!formats)
120
        return AVERROR(ENOMEM);
121
    return ff_set_common_formats(ctx, formats);
122
}
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static av_cold int init(AVFilterContext *ctx)
125
{
126
    ATADenoiseContext *s = ctx->priv;
127
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    if (!(s->size & 1)) {
129
        av_log(ctx, AV_LOG_WARNING, "size %d is invalid. Must be an odd value, setting it to %d.\n", s->size, s->size|1);
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        s->size |= 1;
131
    }
132
    s->mid = s->size / 2 + 1;
133
134
    return 0;
135
}
136
137
typedef struct ThreadData {
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    AVFrame *in, *out;
139
} ThreadData;
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#define FILTER_ROW(type, name)                                              \
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static void filter_row##name(const uint8_t *ssrc, uint8_t *ddst,            \
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                             const uint8_t *ssrcf[SIZE],                    \
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                             int w, int mid, int size,                      \
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                             int thra, int thrb)                            \
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{                                                                           \
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    const type *src = (const type *)ssrc;                                   \
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    const type **srcf = (const type **)ssrcf;                               \
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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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       const int srcx = src[x];                                             \
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       unsigned lsumdiff = 0, rsumdiff = 0;                                 \
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       unsigned ldiff, rdiff;                                               \
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       unsigned sum = srcx;                                                 \
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       int l = 0, r = 0;                                                    \
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       int srcjx, srcix;                                                    \
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                                                                            \
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       for (int j = mid - 1, i = mid + 1; j >= 0 && i < size; j--, i++) {   \
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           srcjx = srcf[j][x];                                              \
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                                                                            \
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           ldiff = FFABS(srcx - srcjx);                                     \
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           lsumdiff += ldiff;                                               \
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           if (ldiff > thra ||                                              \
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               lsumdiff > thrb)                                             \
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               break;                                                       \
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           l++;                                                             \
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           sum += srcjx;                                                    \
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                                                                            \
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           srcix = srcf[i][x];                                              \
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                                                                            \
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           rdiff = FFABS(srcx - srcix);                                     \
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           rsumdiff += rdiff;                                               \
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           if (rdiff > thra ||                                              \
175
               rsumdiff > thrb)                                             \
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               break;                                                       \
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           r++;                                                             \
178
           sum += srcix;                                                    \
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       }                                                                    \
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                                                                            \
181
       dst[x] = (sum + ((r + l + 1) >> 1)) / (r + l + 1);                   \
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   }                                                                        \
183
}
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FILTER_ROW(uint8_t, 8)
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FILTER_ROW(uint16_t, 16)
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#define FILTER_ROW_SERIAL(type, name)                                       \
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static void filter_row##name##_serial(const uint8_t *ssrc, uint8_t *ddst,   \
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                                      const uint8_t *ssrcf[SIZE],           \
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                                      int w, int mid, int size,             \
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                                      int thra, int thrb)                   \
193
{                                                                           \
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    const type *src = (const type *)ssrc;                                   \
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    const type **srcf = (const type **)ssrcf;                               \
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    type *dst = (type *)ddst;                                               \
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                                                                            \
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    for (int x = 0; x < w; x++) {                                           \
199
       const int srcx = src[x];                                             \
200
       unsigned lsumdiff = 0, rsumdiff = 0;                                 \
201
       unsigned ldiff, rdiff;                                               \
202
       unsigned sum = srcx;                                                 \
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       int l = 0, r = 0;                                                    \
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       int srcjx, srcix;                                                    \
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                                                                            \
206
       for (int j = mid - 1; j >= 0; j--) {                                 \
207
           srcjx = srcf[j][x];                                              \
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                                                                            \
209
           ldiff = FFABS(srcx - srcjx);                                     \
210
           lsumdiff += ldiff;                                               \
211
           if (ldiff > thra ||                                              \
212
               lsumdiff > thrb)                                             \
213
               break;                                                       \
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           l++;                                                             \
215
           sum += srcjx;                                                    \
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       }                                                                    \
217
                                                                            \
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       for (int i = mid + 1; i < size; i++) {                               \
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           srcix = srcf[i][x];                                              \
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                                                                            \
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           rdiff = FFABS(srcx - srcix);                                     \
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           rsumdiff += rdiff;                                               \
223
           if (rdiff > thra ||                                              \
224
               rsumdiff > thrb)                                             \
225
               break;                                                       \
226
           r++;                                                             \
227
           sum += srcix;                                                    \
228
       }                                                                    \
229
                                                                            \
230
       dst[x] = (sum + ((r + l + 1) >> 1)) / (r + l + 1);                   \
231
   }                                                                        \
232
}
233
234
FILTER_ROW_SERIAL(uint8_t, 8)
235
FILTER_ROW_SERIAL(uint16_t, 16)
236
237
static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
238
{
239
    ATADenoiseContext *s = ctx->priv;
240
    ThreadData *td = arg;
241
    AVFrame *in = td->in;
242
    AVFrame *out = td->out;
243
    const int size = s->size;
244
    const int mid = s->mid;
245
    int p, y, i;
246
247
    for (p = 0; p < s->nb_planes; p++) {
248
        const int h = s->planeheight[p];
249
        const int w = s->planewidth[p];
250
        const int slice_start = (h * jobnr) / nb_jobs;
251
        const int slice_end = (h * (jobnr+1)) / nb_jobs;
252
        const uint8_t *src = in->data[p] + slice_start * in->linesize[p];
253
        uint8_t *dst = out->data[p] + slice_start * out->linesize[p];
254
        const int thra = s->thra[p];
255
        const int thrb = s->thrb[p];
256
        const uint8_t **data = (const uint8_t **)s->data[p];
257
        const int *linesize = (const int *)s->linesize[p];
258
        const uint8_t *srcf[SIZE];
259
260
        if (!((1 << p) & s->planes)) {
261
            av_image_copy_plane(dst, out->linesize[p], src, in->linesize[p],
262
                                w, slice_end - slice_start);
263
            continue;
264
        }
265
266
        for (i = 0; i < size; i++)
267
            srcf[i] = data[i] + slice_start * linesize[i];
268
269
        for (y = slice_start; y < slice_end; y++) {
270
            s->dsp.filter_row(src, dst, srcf, w, mid, size, thra, thrb);
271
272
            dst += out->linesize[p];
273
            src += in->linesize[p];
274
275
            for (i = 0; i < size; i++)
276
                srcf[i] += linesize[i];
277
        }
278
    }
279
280
    return 0;
281
}
282
283
static int config_input(AVFilterLink *inlink)
284
{
285
    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
286
    AVFilterContext *ctx = inlink->dst;
287
    ATADenoiseContext *s = ctx->priv;
288
    int depth;
289
290
    s->nb_planes = desc->nb_components;
291
292
    s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
293
    s->planeheight[0] = s->planeheight[3] = inlink->h;
294
    s->planewidth[1]  = s->planewidth[2]  = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
295
    s->planewidth[0]  = s->planewidth[3]  = inlink->w;
296
297
    depth = desc->comp[0].depth;
298
    s->filter_slice = filter_slice;
299
    if (depth == 8)
300
        s->dsp.filter_row = s->algorithm == PARALLEL ? filter_row8 : filter_row8_serial;
301
    else
302
        s->dsp.filter_row = s->algorithm == PARALLEL ? filter_row16 : filter_row16_serial;
303
304
    s->thra[0] = s->fthra[0] * (1 << depth) - 1;
305
    s->thra[1] = s->fthra[1] * (1 << depth) - 1;
306
    s->thra[2] = s->fthra[2] * (1 << depth) - 1;
307
    s->thrb[0] = s->fthrb[0] * (1 << depth) - 1;
308
    s->thrb[1] = s->fthrb[1] * (1 << depth) - 1;
309
    s->thrb[2] = s->fthrb[2] * (1 << depth) - 1;
310
311
    if (ARCH_X86)
312
        ff_atadenoise_init_x86(&s->dsp, depth, s->algorithm);
313
314
    return 0;
315
}
316
317
static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
318
{
319
    AVFilterContext *ctx = inlink->dst;
320
    AVFilterLink *outlink = ctx->outputs[0];
321
    ATADenoiseContext *s = ctx->priv;
322
    AVFrame *out, *in;
323
    int i;
324
325
    if (s->q.available != s->size) {
326
        if (s->q.available < s->mid) {
327
            for (i = 0; i < s->mid; i++) {
328
                out = av_frame_clone(buf);
329
                if (!out) {
330
                    av_frame_free(&buf);
331
                    return AVERROR(ENOMEM);
332
                }
333
                ff_bufqueue_add(ctx, &s->q, out);
334
            }
335
        }
336
        if (s->q.available < s->size) {
337
            ff_bufqueue_add(ctx, &s->q, buf);
338
            s->available++;
339
        }
340
        return 0;
341
    }
342
343
    in = ff_bufqueue_peek(&s->q, s->mid);
344
345
    if (!ctx->is_disabled) {
346
        ThreadData td;
347
348
        out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
349
        if (!out) {
350
            av_frame_free(&buf);
351
            return AVERROR(ENOMEM);
352
        }
353
354
        for (i = 0; i < s->size; i++) {
355
            AVFrame *frame = ff_bufqueue_peek(&s->q, i);
356
357
            s->data[0][i] = frame->data[0];
358
            s->data[1][i] = frame->data[1];
359
            s->data[2][i] = frame->data[2];
360
            s->linesize[0][i] = frame->linesize[0];
361
            s->linesize[1][i] = frame->linesize[1];
362
            s->linesize[2][i] = frame->linesize[2];
363
        }
364
365
        td.in = in; td.out = out;
366
        ctx->internal->execute(ctx, s->filter_slice, &td, NULL,
367
                               FFMIN3(s->planeheight[1],
368
                                      s->planeheight[2],
369
                                      ff_filter_get_nb_threads(ctx)));
370
        av_frame_copy_props(out, in);
371
    } else {
372
        out = av_frame_clone(in);
373
        if (!out) {
374
            av_frame_free(&buf);
375
            return AVERROR(ENOMEM);
376
        }
377
    }
378
379
    in = ff_bufqueue_get(&s->q);
380
    av_frame_free(&in);
381
    ff_bufqueue_add(ctx, &s->q, buf);
382
383
    return ff_filter_frame(outlink, out);
384
}
385
386
static int request_frame(AVFilterLink *outlink)
387
{
388
    AVFilterContext *ctx = outlink->src;
389
    ATADenoiseContext *s = ctx->priv;
390
    int ret = 0;
391
392
    ret = ff_request_frame(ctx->inputs[0]);
393
394
    if (ret == AVERROR_EOF && !ctx->is_disabled && s->available) {
395
        AVFrame *buf = av_frame_clone(ff_bufqueue_peek(&s->q, s->available));
396
        if (!buf)
397
            return AVERROR(ENOMEM);
398
399
        ret = filter_frame(ctx->inputs[0], buf);
400
        s->available--;
401
    }
402
403
    return ret;
404
}
405
406
static av_cold void uninit(AVFilterContext *ctx)
407
{
408
    ATADenoiseContext *s = ctx->priv;
409
410
    ff_bufqueue_discard_all(&s->q);
411
}
412
413
static int process_command(AVFilterContext *ctx,
414
                           const char *cmd,
415
                           const char *arg,
416
                           char *res,
417
                           int res_len,
418
                           int flags)
419
{
420
    int ret = ff_filter_process_command(ctx, cmd, arg, res, res_len, flags);
421
422
    if (ret < 0)
423
        return ret;
424
425
    return config_input(ctx->inputs[0]);
426
}
427
428
static const AVFilterPad inputs[] = {
429
    {
430
        .name         = "default",
431
        .type         = AVMEDIA_TYPE_VIDEO,
432
        .filter_frame = filter_frame,
433
        .config_props = config_input,
434
    },
435
    { NULL }
436
};
437
438
static const AVFilterPad outputs[] = {
439
    {
440
        .name          = "default",
441
        .type          = AVMEDIA_TYPE_VIDEO,
442
        .request_frame = request_frame,
443
    },
444
    { NULL }
445
};
446
447
AVFilter ff_vf_atadenoise = {
448
    .name          = "atadenoise",
449
    .description   = NULL_IF_CONFIG_SMALL("Apply an Adaptive Temporal Averaging Denoiser."),
450
    .priv_size     = sizeof(ATADenoiseContext),
451
    .priv_class    = &atadenoise_class,
452
    .init          = init,
453
    .uninit        = uninit,
454
    .query_formats = query_formats,
455
    .inputs        = inputs,
456
    .outputs       = outputs,
457
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS,
458
    .process_command = process_command,
459
};