GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavfilter/vf_atadenoise.c Lines: 0 148 0.0 %
Date: 2021-04-14 23:45:22 Branches: 0 182 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"
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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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#define FF_BUFQUEUE_SIZE 129
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#include "bufferqueue.h"
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#include "atadenoise.h"
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#include "formats.h"
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#include "internal.h"
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#include "video.h"
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#define SIZE FF_BUFQUEUE_SIZE
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typedef struct ATADenoiseContext {
44
    const AVClass *class;
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    float fthra[4], fthrb[4];
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    float sigma[4];
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    int thra[4], thrb[4];
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    int algorithm;
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    int planes;
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    int nb_planes;
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    int planewidth[4];
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    int planeheight[4];
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    struct FFBufQueue q;
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    void *data[4][SIZE];
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    int linesize[4][SIZE];
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    float weights[4][SIZE];
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    int size, mid, radius;
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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;
66
} ATADenoiseContext;
67
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#define OFFSET(x) offsetof(ATADenoiseContext, x)
69
#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
71
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static const AVOption atadenoise_options[] = {
73
    { "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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    { "0s", "set sigma for 1st plane",       OFFSET(sigma[0]), AV_OPT_TYPE_FLOAT, {.dbl=INT16_MAX}, 0, INT16_MAX, FLAGS },
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    { "1s", "set sigma for 2nd plane",       OFFSET(sigma[1]), AV_OPT_TYPE_FLOAT, {.dbl=INT16_MAX}, 0, INT16_MAX, FLAGS },
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    { "2s", "set sigma for 3rd plane",       OFFSET(sigma[2]), AV_OPT_TYPE_FLOAT, {.dbl=INT16_MAX}, 0, INT16_MAX, FLAGS },
87
    { NULL }
88
};
89
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AVFILTER_DEFINE_CLASS(atadenoise);
91
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static int query_formats(AVFilterContext *ctx)
93
{
94
    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,
115
        AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
116
        AV_PIX_FMT_YUVA420P,  AV_PIX_FMT_YUVA422P,   AV_PIX_FMT_YUVA444P,
117
        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,
119
        AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA420P16,
120
        AV_PIX_FMT_GBRAP,     AV_PIX_FMT_GBRAP10,    AV_PIX_FMT_GBRAP12,    AV_PIX_FMT_GBRAP16,
121
        AV_PIX_FMT_NONE
122
    };
123
    AVFilterFormats *formats = ff_make_format_list(pixel_fmts);
124
    if (!formats)
125
        return AVERROR(ENOMEM);
126
    return ff_set_common_formats(ctx, formats);
127
}
128
129
static av_cold int init(AVFilterContext *ctx)
130
{
131
    ATADenoiseContext *s = ctx->priv;
132
133
    if (!(s->size & 1)) {
134
        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);
135
        s->size |= 1;
136
    }
137
    s->radius = s->size / 2;
138
    s->mid = s->radius;
139
140
    return 0;
141
}
142
143
typedef struct ThreadData {
144
    AVFrame *in, *out;
145
} ThreadData;
146
147
#define WFILTER_ROW(type, name)                                             \
148
static void fweight_row##name(const uint8_t *ssrc, uint8_t *ddst,           \
149
                              const uint8_t *ssrcf[SIZE],                   \
150
                              int w, int mid, int size,                     \
151
                              int thra, int thrb, const float *weights)     \
152
{                                                                           \
153
    const type *src = (const type *)ssrc;                                   \
154
    const type **srcf = (const type **)ssrcf;                               \
155
    type *dst = (type *)ddst;                                               \
156
                                                                            \
157
    for (int x = 0; x < w; x++) {                                           \
158
       const int srcx = src[x];                                             \
159
       unsigned lsumdiff = 0, rsumdiff = 0;                                 \
160
       unsigned ldiff, rdiff;                                               \
161
       float sum = srcx;                                                    \
162
       float wsum = 1.f;                                                    \
163
       int l = 0, r = 0;                                                    \
164
       int srcjx, srcix;                                                    \
165
                                                                            \
166
       for (int j = mid - 1, i = mid + 1; j >= 0 && i < size; j--, i++) {   \
167
           srcjx = srcf[j][x];                                              \
168
                                                                            \
169
           ldiff = FFABS(srcx - srcjx);                                     \
170
           lsumdiff += ldiff;                                               \
171
           if (ldiff > thra ||                                              \
172
               lsumdiff > thrb)                                             \
173
               break;                                                       \
174
           l++;                                                             \
175
           sum += srcjx * weights[j];                                       \
176
           wsum += weights[j];                                              \
177
                                                                            \
178
           srcix = srcf[i][x];                                              \
179
                                                                            \
180
           rdiff = FFABS(srcx - srcix);                                     \
181
           rsumdiff += rdiff;                                               \
182
           if (rdiff > thra ||                                              \
183
               rsumdiff > thrb)                                             \
184
               break;                                                       \
185
           r++;                                                             \
186
           sum += srcix * weights[i];                                       \
187
           wsum += weights[i];                                              \
188
       }                                                                    \
189
                                                                            \
190
       dst[x] = lrintf(sum / wsum);                                         \
191
   }                                                                        \
192
}
193
194
WFILTER_ROW(uint8_t, 8)
195
WFILTER_ROW(uint16_t, 16)
196
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#define WFILTER_ROW_SERIAL(type, name)                                      \
198
static void fweight_row##name##_serial(const uint8_t *ssrc, uint8_t *ddst,  \
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                                       const uint8_t *ssrcf[SIZE],          \
200
                                       int w, int mid, int size,            \
201
                                       int thra, int thrb,                  \
202
                                       const float *weights)                \
203
{                                                                           \
204
    const type *src = (const type *)ssrc;                                   \
205
    const type **srcf = (const type **)ssrcf;                               \
206
    type *dst = (type *)ddst;                                               \
207
                                                                            \
208
    for (int x = 0; x < w; x++) {                                           \
209
       const int srcx = src[x];                                             \
210
       unsigned lsumdiff = 0, rsumdiff = 0;                                 \
211
       unsigned ldiff, rdiff;                                               \
212
       float sum = srcx;                                                    \
213
       float wsum = 1.f;                                                    \
214
       int l = 0, r = 0;                                                    \
215
       int srcjx, srcix;                                                    \
216
                                                                            \
217
       for (int j = mid - 1; j >= 0; j--) {                                 \
218
           srcjx = srcf[j][x];                                              \
219
                                                                            \
220
           ldiff = FFABS(srcx - srcjx);                                     \
221
           lsumdiff += ldiff;                                               \
222
           if (ldiff > thra ||                                              \
223
               lsumdiff > thrb)                                             \
224
               break;                                                       \
225
           l++;                                                             \
226
           sum += srcjx * weights[j];                                       \
227
           wsum += weights[j];                                              \
228
       }                                                                    \
229
                                                                            \
230
       for (int i = mid + 1; i < size; i++) {                               \
231
           srcix = srcf[i][x];                                              \
232
                                                                            \
233
           rdiff = FFABS(srcx - srcix);                                     \
234
           rsumdiff += rdiff;                                               \
235
           if (rdiff > thra ||                                              \
236
               rsumdiff > thrb)                                             \
237
               break;                                                       \
238
           r++;                                                             \
239
           sum += srcix * weights[i];                                       \
240
           wsum += weights[i];                                              \
241
       }                                                                    \
242
                                                                            \
243
       dst[x] = lrintf(sum / wsum);                                         \
244
   }                                                                        \
245
}
246
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WFILTER_ROW_SERIAL(uint8_t, 8)
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WFILTER_ROW_SERIAL(uint16_t, 16)
249
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#define FILTER_ROW(type, name)                                              \
251
static void filter_row##name(const uint8_t *ssrc, uint8_t *ddst,            \
252
                             const uint8_t *ssrcf[SIZE],                    \
253
                             int w, int mid, int size,                      \
254
                             int thra, int thrb, const float *weights)      \
255
{                                                                           \
256
    const type *src = (const type *)ssrc;                                   \
257
    const type **srcf = (const type **)ssrcf;                               \
258
    type *dst = (type *)ddst;                                               \
259
                                                                            \
260
    for (int x = 0; x < w; x++) {                                           \
261
       const int srcx = src[x];                                             \
262
       unsigned lsumdiff = 0, rsumdiff = 0;                                 \
263
       unsigned ldiff, rdiff;                                               \
264
       unsigned sum = srcx;                                                 \
265
       int l = 0, r = 0;                                                    \
266
       int srcjx, srcix;                                                    \
267
                                                                            \
268
       for (int j = mid - 1, i = mid + 1; j >= 0 && i < size; j--, i++) {   \
269
           srcjx = srcf[j][x];                                              \
270
                                                                            \
271
           ldiff = FFABS(srcx - srcjx);                                     \
272
           lsumdiff += ldiff;                                               \
273
           if (ldiff > thra ||                                              \
274
               lsumdiff > thrb)                                             \
275
               break;                                                       \
276
           l++;                                                             \
277
           sum += srcjx;                                                    \
278
                                                                            \
279
           srcix = srcf[i][x];                                              \
280
                                                                            \
281
           rdiff = FFABS(srcx - srcix);                                     \
282
           rsumdiff += rdiff;                                               \
283
           if (rdiff > thra ||                                              \
284
               rsumdiff > thrb)                                             \
285
               break;                                                       \
286
           r++;                                                             \
287
           sum += srcix;                                                    \
288
       }                                                                    \
289
                                                                            \
290
       dst[x] = (sum + ((r + l + 1) >> 1)) / (r + l + 1);                   \
291
   }                                                                        \
292
}
293
294
FILTER_ROW(uint8_t, 8)
295
FILTER_ROW(uint16_t, 16)
296
297
#define FILTER_ROW_SERIAL(type, name)                                       \
298
static void filter_row##name##_serial(const uint8_t *ssrc, uint8_t *ddst,   \
299
                                      const uint8_t *ssrcf[SIZE],           \
300
                                      int w, int mid, int size,             \
301
                                      int thra, int thrb,                   \
302
                                      const float *weights)                 \
303
{                                                                           \
304
    const type *src = (const type *)ssrc;                                   \
305
    const type **srcf = (const type **)ssrcf;                               \
306
    type *dst = (type *)ddst;                                               \
307
                                                                            \
308
    for (int x = 0; x < w; x++) {                                           \
309
       const int srcx = src[x];                                             \
310
       unsigned lsumdiff = 0, rsumdiff = 0;                                 \
311
       unsigned ldiff, rdiff;                                               \
312
       unsigned sum = srcx;                                                 \
313
       int l = 0, r = 0;                                                    \
314
       int srcjx, srcix;                                                    \
315
                                                                            \
316
       for (int j = mid - 1; j >= 0; j--) {                                 \
317
           srcjx = srcf[j][x];                                              \
318
                                                                            \
319
           ldiff = FFABS(srcx - srcjx);                                     \
320
           lsumdiff += ldiff;                                               \
321
           if (ldiff > thra ||                                              \
322
               lsumdiff > thrb)                                             \
323
               break;                                                       \
324
           l++;                                                             \
325
           sum += srcjx;                                                    \
326
       }                                                                    \
327
                                                                            \
328
       for (int i = mid + 1; i < size; i++) {                               \
329
           srcix = srcf[i][x];                                              \
330
                                                                            \
331
           rdiff = FFABS(srcx - srcix);                                     \
332
           rsumdiff += rdiff;                                               \
333
           if (rdiff > thra ||                                              \
334
               rsumdiff > thrb)                                             \
335
               break;                                                       \
336
           r++;                                                             \
337
           sum += srcix;                                                    \
338
       }                                                                    \
339
                                                                            \
340
       dst[x] = (sum + ((r + l + 1) >> 1)) / (r + l + 1);                   \
341
   }                                                                        \
342
}
343
344
FILTER_ROW_SERIAL(uint8_t, 8)
345
FILTER_ROW_SERIAL(uint16_t, 16)
346
347
static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
348
{
349
    ATADenoiseContext *s = ctx->priv;
350
    ThreadData *td = arg;
351
    AVFrame *in = td->in;
352
    AVFrame *out = td->out;
353
    const int size = s->size;
354
    const int mid = s->mid;
355
    int p, y, i;
356
357
    for (p = 0; p < s->nb_planes; p++) {
358
        const float *weights = s->weights[p];
359
        const int h = s->planeheight[p];
360
        const int w = s->planewidth[p];
361
        const int slice_start = (h * jobnr) / nb_jobs;
362
        const int slice_end = (h * (jobnr+1)) / nb_jobs;
363
        const uint8_t *src = in->data[p] + slice_start * in->linesize[p];
364
        uint8_t *dst = out->data[p] + slice_start * out->linesize[p];
365
        const int thra = s->thra[p];
366
        const int thrb = s->thrb[p];
367
        const uint8_t **data = (const uint8_t **)s->data[p];
368
        const int *linesize = (const int *)s->linesize[p];
369
        const uint8_t *srcf[SIZE];
370
371
        if (!((1 << p) & s->planes)) {
372
            av_image_copy_plane(dst, out->linesize[p], src, in->linesize[p],
373
                                w, slice_end - slice_start);
374
            continue;
375
        }
376
377
        for (i = 0; i < size; i++)
378
            srcf[i] = data[i] + slice_start * linesize[i];
379
380
        for (y = slice_start; y < slice_end; y++) {
381
            s->dsp.filter_row[p](src, dst, srcf, w, mid, size, thra, thrb, weights);
382
383
            dst += out->linesize[p];
384
            src += in->linesize[p];
385
386
            for (i = 0; i < size; i++)
387
                srcf[i] += linesize[i];
388
        }
389
    }
390
391
    return 0;
392
}
393
394
static int config_input(AVFilterLink *inlink)
395
{
396
    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
397
    AVFilterContext *ctx = inlink->dst;
398
    ATADenoiseContext *s = ctx->priv;
399
    int depth;
400
401
    s->nb_planes = desc->nb_components;
402
403
    s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
404
    s->planeheight[0] = s->planeheight[3] = inlink->h;
405
    s->planewidth[1]  = s->planewidth[2]  = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
406
    s->planewidth[0]  = s->planewidth[3]  = inlink->w;
407
408
    depth = desc->comp[0].depth;
409
    s->filter_slice = filter_slice;
410
411
    for (int p = 0; p < s->nb_planes; p++) {
412
        if (depth == 8 && s->sigma[p] == INT16_MAX)
413
            s->dsp.filter_row[p] = s->algorithm == PARALLEL ? filter_row8 : filter_row8_serial;
414
        else if (s->sigma[p] == INT16_MAX)
415
            s->dsp.filter_row[p] = s->algorithm == PARALLEL ? filter_row16 : filter_row16_serial;
416
        else if (depth == 8 && s->sigma[p] < INT16_MAX)
417
            s->dsp.filter_row[p] = s->algorithm == PARALLEL ? fweight_row8 : fweight_row8_serial;
418
        else if (s->sigma[p] < INT16_MAX)
419
            s->dsp.filter_row[p] = s->algorithm == PARALLEL ? fweight_row16 : fweight_row16_serial;
420
    }
421
422
    s->thra[0] = s->fthra[0] * (1 << depth) - 1;
423
    s->thra[1] = s->fthra[1] * (1 << depth) - 1;
424
    s->thra[2] = s->fthra[2] * (1 << depth) - 1;
425
    s->thrb[0] = s->fthrb[0] * (1 << depth) - 1;
426
    s->thrb[1] = s->fthrb[1] * (1 << depth) - 1;
427
    s->thrb[2] = s->fthrb[2] * (1 << depth) - 1;
428
429
    for (int p = 0; p < s->nb_planes; p++) {
430
        float sigma = s->radius * s->sigma[p];
431
432
        s->weights[p][s->radius] = 1.f;
433
        for (int n = 1; n <= s->radius; n++) {
434
            s->weights[p][s->radius + n] =
435
            s->weights[p][s->radius - n] = expf(-0.5 * (n + 1) * (n + 1) / (sigma * sigma));
436
        }
437
    }
438
439
    if (ARCH_X86)
440
        ff_atadenoise_init_x86(&s->dsp, depth, s->algorithm, s->sigma);
441
442
    return 0;
443
}
444
445
static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
446
{
447
    AVFilterContext *ctx = inlink->dst;
448
    AVFilterLink *outlink = ctx->outputs[0];
449
    ATADenoiseContext *s = ctx->priv;
450
    AVFrame *out, *in;
451
    int i;
452
453
    if (s->q.available != s->size) {
454
        if (s->q.available < s->mid) {
455
            for (i = 0; i < s->mid; i++) {
456
                out = av_frame_clone(buf);
457
                if (!out) {
458
                    av_frame_free(&buf);
459
                    return AVERROR(ENOMEM);
460
                }
461
                ff_bufqueue_add(ctx, &s->q, out);
462
            }
463
        }
464
        if (s->q.available < s->size) {
465
            ff_bufqueue_add(ctx, &s->q, buf);
466
            s->available++;
467
        }
468
        return 0;
469
    }
470
471
    in = ff_bufqueue_peek(&s->q, s->mid);
472
473
    if (!ctx->is_disabled) {
474
        ThreadData td;
475
476
        out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
477
        if (!out) {
478
            av_frame_free(&buf);
479
            return AVERROR(ENOMEM);
480
        }
481
482
        for (i = 0; i < s->size; i++) {
483
            AVFrame *frame = ff_bufqueue_peek(&s->q, i);
484
485
            s->data[0][i] = frame->data[0];
486
            s->data[1][i] = frame->data[1];
487
            s->data[2][i] = frame->data[2];
488
            s->linesize[0][i] = frame->linesize[0];
489
            s->linesize[1][i] = frame->linesize[1];
490
            s->linesize[2][i] = frame->linesize[2];
491
        }
492
493
        td.in = in; td.out = out;
494
        ctx->internal->execute(ctx, s->filter_slice, &td, NULL,
495
                               FFMIN3(s->planeheight[1],
496
                                      s->planeheight[2],
497
                                      ff_filter_get_nb_threads(ctx)));
498
        av_frame_copy_props(out, in);
499
    } else {
500
        out = av_frame_clone(in);
501
        if (!out) {
502
            av_frame_free(&buf);
503
            return AVERROR(ENOMEM);
504
        }
505
    }
506
507
    in = ff_bufqueue_get(&s->q);
508
    av_frame_free(&in);
509
    ff_bufqueue_add(ctx, &s->q, buf);
510
511
    return ff_filter_frame(outlink, out);
512
}
513
514
static int request_frame(AVFilterLink *outlink)
515
{
516
    AVFilterContext *ctx = outlink->src;
517
    ATADenoiseContext *s = ctx->priv;
518
    int ret = 0;
519
520
    ret = ff_request_frame(ctx->inputs[0]);
521
522
    if (ret == AVERROR_EOF && !ctx->is_disabled && s->available) {
523
        AVFrame *buf = av_frame_clone(ff_bufqueue_peek(&s->q, s->available));
524
        if (!buf)
525
            return AVERROR(ENOMEM);
526
527
        ret = filter_frame(ctx->inputs[0], buf);
528
        s->available--;
529
    }
530
531
    return ret;
532
}
533
534
static av_cold void uninit(AVFilterContext *ctx)
535
{
536
    ATADenoiseContext *s = ctx->priv;
537
538
    ff_bufqueue_discard_all(&s->q);
539
}
540
541
static int process_command(AVFilterContext *ctx,
542
                           const char *cmd,
543
                           const char *arg,
544
                           char *res,
545
                           int res_len,
546
                           int flags)
547
{
548
    int ret = ff_filter_process_command(ctx, cmd, arg, res, res_len, flags);
549
550
    if (ret < 0)
551
        return ret;
552
553
    return config_input(ctx->inputs[0]);
554
}
555
556
static const AVFilterPad inputs[] = {
557
    {
558
        .name         = "default",
559
        .type         = AVMEDIA_TYPE_VIDEO,
560
        .filter_frame = filter_frame,
561
        .config_props = config_input,
562
    },
563
    { NULL }
564
};
565
566
static const AVFilterPad outputs[] = {
567
    {
568
        .name          = "default",
569
        .type          = AVMEDIA_TYPE_VIDEO,
570
        .request_frame = request_frame,
571
    },
572
    { NULL }
573
};
574
575
AVFilter ff_vf_atadenoise = {
576
    .name          = "atadenoise",
577
    .description   = NULL_IF_CONFIG_SMALL("Apply an Adaptive Temporal Averaging Denoiser."),
578
    .priv_size     = sizeof(ATADenoiseContext),
579
    .priv_class    = &atadenoise_class,
580
    .init          = init,
581
    .uninit        = uninit,
582
    .query_formats = query_formats,
583
    .inputs        = inputs,
584
    .outputs       = outputs,
585
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS,
586
    .process_command = process_command,
587
};