git.sesse.net Git - ffmpeg/blob - libavfilter/vf_atadenoise.c

   1 /*
   2  * Copyright (c) 2015 Paul B Mahol
   3  *
   4  * This file is part of FFmpeg.
   5  *
   6  * FFmpeg is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * FFmpeg is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with FFmpeg; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 /**
  22  * @file
  23  * Adaptive Temporal Averaging Denoiser,
  24  * based on paper "Video Denoising Based on Adaptive Temporal Averaging" by
  25  * David Bartovčak and Miroslav Vrankić
  26  */
  27
  28 #include "libavutil/imgutils.h"
  29 #include "libavutil/opt.h"
  30 #include "libavutil/pixdesc.h"
  31 #include "avfilter.h"
  32
  33 #define FF_BUFQUEUE_SIZE 129
  34 #include "bufferqueue.h"
  35
  36 #include "atadenoise.h"
  37 #include "formats.h"
  38 #include "internal.h"
  39 #include "video.h"
  40
  41 #define SIZE FF_BUFQUEUE_SIZE
  42
  43 typedef struct ATADenoiseContext {
  44     const AVClass *class;
  45
  46     float fthra[4], fthrb[4];
  47     int thra[4], thrb[4];
  48     int algorithm;
  49
  50     int planes;
  51     int nb_planes;
  52     int planewidth[4];
  53     int planeheight[4];
  54
  55     struct FFBufQueue q;
  56     void *data[4][SIZE];
  57     int linesize[4][SIZE];
  58     int size, mid;
  59     int available;
  60
  61     int (*filter_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
  62
  63     ATADenoiseDSPContext dsp;
  64 } ATADenoiseContext;
  65
  66 #define OFFSET(x) offsetof(ATADenoiseContext, x)
  67 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
  68 #define VF AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
  69
  70 static const AVOption atadenoise_options[] = {
  71     { "0a", "set threshold A for 1st plane", OFFSET(fthra[0]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0, 0.3, FLAGS },
  72     { "0b", "set threshold B for 1st plane", OFFSET(fthrb[0]), AV_OPT_TYPE_FLOAT, {.dbl=0.04}, 0, 5.0, FLAGS },
  73     { "1a", "set threshold A for 2nd plane", OFFSET(fthra[1]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0, 0.3, FLAGS },
  74     { "1b", "set threshold B for 2nd plane", OFFSET(fthrb[1]), AV_OPT_TYPE_FLOAT, {.dbl=0.04}, 0, 5.0, FLAGS },
  75     { "2a", "set threshold A for 3rd plane", OFFSET(fthra[2]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0, 0.3, FLAGS },
  76     { "2b", "set threshold B for 3rd plane", OFFSET(fthrb[2]), AV_OPT_TYPE_FLOAT, {.dbl=0.04}, 0, 5.0, FLAGS },
  77     { "s",  "set how many frames to use",    OFFSET(size),     AV_OPT_TYPE_INT,   {.i64=9},   5, SIZE, VF    },
  78     { "p",  "set what planes to filter",     OFFSET(planes),   AV_OPT_TYPE_FLAGS, {.i64=7},    0, 15,  FLAGS },
  79     { "a",  "set variant of algorithm",      OFFSET(algorithm),AV_OPT_TYPE_INT,   {.i64=PARALLEL},  0, NB_ATAA-1, FLAGS, "a" },
  80     { "p",  "parallel",                      0,                AV_OPT_TYPE_CONST, {.i64=PARALLEL},  0, 0,         FLAGS, "a" },
  81     { "s",  "serial",                        0,                AV_OPT_TYPE_CONST, {.i64=SERIAL},    0, 0,         FLAGS, "a" },
  82     { NULL }
  83 };
  84
  85 AVFILTER_DEFINE_CLASS(atadenoise);
  86
  87 static int query_formats(AVFilterContext *ctx)
  88 {
  89     static const enum AVPixelFormat pixel_fmts[] = {
  90         AV_PIX_FMT_GRAY8,
  91         AV_PIX_FMT_GRAY9,
  92         AV_PIX_FMT_GRAY10,
  93         AV_PIX_FMT_GRAY12,
  94         AV_PIX_FMT_GRAY14,
  95         AV_PIX_FMT_GRAY16,
  96         AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV411P,
  97         AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P,
  98         AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P,
  99         AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P,
 100         AV_PIX_FMT_YUVJ440P, AV_PIX_FMT_YUVJ444P,
 101         AV_PIX_FMT_YUVJ411P,
 102         AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9,
 103         AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
 104         AV_PIX_FMT_YUV440P10,
 105         AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV420P12,
 106         AV_PIX_FMT_YUV440P12,
 107         AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV420P14,
 108         AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,
 109         AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
 110         AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
 111         AV_PIX_FMT_NONE
 112     };
 113     AVFilterFormats *formats = ff_make_format_list(pixel_fmts);
 114     if (!formats)
 115         return AVERROR(ENOMEM);
 116     return ff_set_common_formats(ctx, formats);
 117 }
 118
 119 static av_cold int init(AVFilterContext *ctx)
 120 {
 121     ATADenoiseContext *s = ctx->priv;
 122
 123     if (!(s->size & 1)) {
 124         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);
 125         s->size |= 1;
 126     }
 127     s->mid = s->size / 2 + 1;
 128
 129     return 0;
 130 }
 131
 132 typedef struct ThreadData {
 133     AVFrame *in, *out;
 134 } ThreadData;
 135
 136 #define FILTER_ROW(type, name)                                              \
 137 static void filter_row##name(const uint8_t *ssrc, uint8_t *ddst,            \
 138                              const uint8_t *ssrcf[SIZE],                    \
 139                              int w, int mid, int size,                      \
 140                              int thra, int thrb)                            \
 141 {                                                                           \
 142     const type *src = (const type *)ssrc;                                   \
 143     const type **srcf = (const type **)ssrcf;                               \
 144     type *dst = (type *)ddst;                                               \
 145                                                                             \
 146     for (int x = 0; x < w; x++) {                                           \
 147        const int srcx = src[x];                                             \
 148        unsigned lsumdiff = 0, rsumdiff = 0;                                 \
 149        unsigned ldiff, rdiff;                                               \
 150        unsigned sum = srcx;                                                 \
 151        int l = 0, r = 0;                                                    \
 152        int srcjx, srcix;                                                    \
 153                                                                             \
 154        for (int j = mid - 1, i = mid + 1; j >= 0 && i < size; j--, i++) {   \
 155            srcjx = srcf[j][x];                                              \
 156                                                                             \
 157            ldiff = FFABS(srcx - srcjx);                                     \
 158            lsumdiff += ldiff;                                               \
 159            if (ldiff > thra ||                                              \
 160                lsumdiff > thrb)                                             \
 161                break;                                                       \
 162            l++;                                                             \
 163            sum += srcjx;                                                    \
 164                                                                             \
 165            srcix = srcf[i][x];                                              \
 166                                                                             \
 167            rdiff = FFABS(srcx - srcix);                                     \
 168            rsumdiff += rdiff;                                               \
 169            if (rdiff > thra ||                                              \
 170                rsumdiff > thrb)                                             \
 171                break;                                                       \
 172            r++;                                                             \
 173            sum += srcix;                                                    \
 174        }                                                                    \
 175                                                                             \
 176        dst[x] = (sum + ((r + l + 1) >> 1)) / (r + l + 1);                   \
 177    }                                                                        \
 178 }
 179
 180 FILTER_ROW(uint8_t, 8)
 181 FILTER_ROW(uint16_t, 16)
 182
 183 #define FILTER_ROW_SERIAL(type, name)                                       \
 184 static void filter_row##name##_serial(const uint8_t *ssrc, uint8_t *ddst,   \
 185                                       const uint8_t *ssrcf[SIZE],           \
 186                                       int w, int mid, int size,             \
 187                                       int thra, int thrb)                   \
 188 {                                                                           \
 189     const type *src = (const type *)ssrc;                                   \
 190     const type **srcf = (const type **)ssrcf;                               \
 191     type *dst = (type *)ddst;                                               \
 192                                                                             \
 193     for (int x = 0; x < w; x++) {                                           \
 194        const int srcx = src[x];                                             \
 195        unsigned lsumdiff = 0, rsumdiff = 0;                                 \
 196        unsigned ldiff, rdiff;                                               \
 197        unsigned sum = srcx;                                                 \
 198        int l = 0, r = 0;                                                    \
 199        int srcjx, srcix;                                                    \
 200                                                                             \
 201        for (int j = mid - 1; j >= 0; j--) {                                 \
 202            srcjx = srcf[j][x];                                              \
 203                                                                             \
 204            ldiff = FFABS(srcx - srcjx);                                     \
 205            lsumdiff += ldiff;                                               \
 206            if (ldiff > thra ||                                              \
 207                lsumdiff > thrb)                                             \
 208                break;                                                       \
 209            l++;                                                             \
 210            sum += srcjx;                                                    \
 211        }                                                                    \
 212                                                                             \
 213        for (int i = mid + 1; i < size; i++) {                               \
 214            srcix = srcf[i][x];                                              \
 215                                                                             \
 216            rdiff = FFABS(srcx - srcix);                                     \
 217            rsumdiff += rdiff;                                               \
 218            if (rdiff > thra ||                                              \
 219                rsumdiff > thrb)                                             \
 220                break;                                                       \
 221            r++;                                                             \
 222            sum += srcix;                                                    \
 223        }                                                                    \
 224                                                                             \
 225        dst[x] = (sum + ((r + l + 1) >> 1)) / (r + l + 1);                   \
 226    }                                                                        \
 227 }
 228
 229 FILTER_ROW_SERIAL(uint8_t, 8)
 230 FILTER_ROW_SERIAL(uint16_t, 16)
 231
 232 static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
 233 {
 234     ATADenoiseContext *s = ctx->priv;
 235     ThreadData *td = arg;
 236     AVFrame *in = td->in;
 237     AVFrame *out = td->out;
 238     const int size = s->size;
 239     const int mid = s->mid;
 240     int p, y, i;
 241
 242     for (p = 0; p < s->nb_planes; p++) {
 243         const int h = s->planeheight[p];
 244         const int w = s->planewidth[p];
 245         const int slice_start = (h * jobnr) / nb_jobs;
 246         const int slice_end = (h * (jobnr+1)) / nb_jobs;
 247         const uint8_t *src = in->data[p] + slice_start * in->linesize[p];
 248         uint8_t *dst = out->data[p] + slice_start * out->linesize[p];
 249         const int thra = s->thra[p];
 250         const int thrb = s->thrb[p];
 251         const uint8_t **data = (const uint8_t **)s->data[p];
 252         const int *linesize = (const int *)s->linesize[p];
 253         const uint8_t *srcf[SIZE];
 254
 255         if (!((1 << p) & s->planes)) {
 256             av_image_copy_plane(dst, out->linesize[p], src, in->linesize[p],
 257                                 w, slice_end - slice_start);
 258             continue;
 259         }
 260
 261         for (i = 0; i < size; i++)
 262             srcf[i] = data[i] + slice_start * linesize[i];
 263
 264         for (y = slice_start; y < slice_end; y++) {
 265             s->dsp.filter_row(src, dst, srcf, w, mid, size, thra, thrb);
 266
 267             dst += out->linesize[p];
 268             src += in->linesize[p];
 269
 270             for (i = 0; i < size; i++)
 271                 srcf[i] += linesize[i];
 272         }
 273     }
 274
 275     return 0;
 276 }
 277
 278 static int config_input(AVFilterLink *inlink)
 279 {
 280     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
 281     AVFilterContext *ctx = inlink->dst;
 282     ATADenoiseContext *s = ctx->priv;
 283     int depth;
 284
 285     s->nb_planes = desc->nb_components;
 286
 287     s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
 288     s->planeheight[0] = s->planeheight[3] = inlink->h;
 289     s->planewidth[1]  = s->planewidth[2]  = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
 290     s->planewidth[0]  = s->planewidth[3]  = inlink->w;
 291
 292     depth = desc->comp[0].depth;
 293     s->filter_slice = filter_slice;
 294     if (depth == 8)
 295         s->dsp.filter_row = s->algorithm == PARALLEL ? filter_row8 : filter_row8_serial;
 296     else
 297         s->dsp.filter_row = s->algorithm == PARALLEL ? filter_row16 : filter_row16_serial;
 298
 299     s->thra[0] = s->fthra[0] * (1 << depth) - 1;
 300     s->thra[1] = s->fthra[1] * (1 << depth) - 1;
 301     s->thra[2] = s->fthra[2] * (1 << depth) - 1;
 302     s->thrb[0] = s->fthrb[0] * (1 << depth) - 1;
 303     s->thrb[1] = s->fthrb[1] * (1 << depth) - 1;
 304     s->thrb[2] = s->fthrb[2] * (1 << depth) - 1;
 305
 306     if (ARCH_X86)
 307         ff_atadenoise_init_x86(&s->dsp, depth, s->algorithm);
 308
 309     return 0;
 310 }
 311
 312 static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
 313 {
 314     AVFilterContext *ctx = inlink->dst;
 315     AVFilterLink *outlink = ctx->outputs[0];
 316     ATADenoiseContext *s = ctx->priv;
 317     AVFrame *out, *in;
 318     int i;
 319
 320     if (s->q.available != s->size) {
 321         if (s->q.available < s->mid) {
 322             for (i = 0; i < s->mid; i++) {
 323                 out = av_frame_clone(buf);
 324                 if (!out) {
 325                     av_frame_free(&buf);
 326                     return AVERROR(ENOMEM);
 327                 }
 328                 ff_bufqueue_add(ctx, &s->q, out);
 329             }
 330         }
 331         if (s->q.available < s->size) {
 332             ff_bufqueue_add(ctx, &s->q, buf);
 333             s->available++;
 334         }
 335         return 0;
 336     }
 337
 338     in = ff_bufqueue_peek(&s->q, s->mid);
 339
 340     if (!ctx->is_disabled) {
 341         ThreadData td;
 342
 343         out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
 344         if (!out) {
 345             av_frame_free(&buf);
 346             return AVERROR(ENOMEM);
 347         }
 348
 349         for (i = 0; i < s->size; i++) {
 350             AVFrame *frame = ff_bufqueue_peek(&s->q, i);
 351
 352             s->data[0][i] = frame->data[0];
 353             s->data[1][i] = frame->data[1];
 354             s->data[2][i] = frame->data[2];
 355             s->linesize[0][i] = frame->linesize[0];
 356             s->linesize[1][i] = frame->linesize[1];
 357             s->linesize[2][i] = frame->linesize[2];
 358         }
 359
 360         td.in = in; td.out = out;
 361         ctx->internal->execute(ctx, s->filter_slice, &td, NULL,
 362                                FFMIN3(s->planeheight[1],
 363                                       s->planeheight[2],
 364                                       ff_filter_get_nb_threads(ctx)));
 365         av_frame_copy_props(out, in);
 366     } else {
 367         out = av_frame_clone(in);
 368         if (!out) {
 369             av_frame_free(&buf);
 370             return AVERROR(ENOMEM);
 371         }
 372     }
 373
 374     in = ff_bufqueue_get(&s->q);
 375     av_frame_free(&in);
 376     ff_bufqueue_add(ctx, &s->q, buf);
 377
 378     return ff_filter_frame(outlink, out);
 379 }
 380
 381 static int request_frame(AVFilterLink *outlink)
 382 {
 383     AVFilterContext *ctx = outlink->src;
 384     ATADenoiseContext *s = ctx->priv;
 385     int ret = 0;
 386
 387     ret = ff_request_frame(ctx->inputs[0]);
 388
 389     if (ret == AVERROR_EOF && !ctx->is_disabled && s->available) {
 390         AVFrame *buf = av_frame_clone(ff_bufqueue_peek(&s->q, s->available));
 391         if (!buf)
 392             return AVERROR(ENOMEM);
 393
 394         ret = filter_frame(ctx->inputs[0], buf);
 395         s->available--;
 396     }
 397
 398     return ret;
 399 }
 400
 401 static av_cold void uninit(AVFilterContext *ctx)
 402 {
 403     ATADenoiseContext *s = ctx->priv;
 404
 405     ff_bufqueue_discard_all(&s->q);
 406 }
 407
 408 static int process_command(AVFilterContext *ctx,
 409                            const char *cmd,
 410                            const char *arg,
 411                            char *res,
 412                            int res_len,
 413                            int flags)
 414 {
 415     int ret = ff_filter_process_command(ctx, cmd, arg, res, res_len, flags);
 416
 417     if (ret < 0)
 418         return ret;
 419
 420     return config_input(ctx->inputs[0]);
 421 }
 422
 423 static const AVFilterPad inputs[] = {
 424     {
 425         .name         = "default",
 426         .type         = AVMEDIA_TYPE_VIDEO,
 427         .filter_frame = filter_frame,
 428         .config_props = config_input,
 429     },
 430     { NULL }
 431 };
 432
 433 static const AVFilterPad outputs[] = {
 434     {
 435         .name          = "default",
 436         .type          = AVMEDIA_TYPE_VIDEO,
 437         .request_frame = request_frame,
 438     },
 439     { NULL }
 440 };
 441
 442 AVFilter ff_vf_atadenoise = {
 443     .name          = "atadenoise",
 444     .description   = NULL_IF_CONFIG_SMALL("Apply an Adaptive Temporal Averaging Denoiser."),
 445     .priv_size     = sizeof(ATADenoiseContext),
 446     .priv_class    = &atadenoise_class,
 447     .init          = init,
 448     .uninit        = uninit,
 449     .query_formats = query_formats,
 450     .inputs        = inputs,
 451     .outputs       = outputs,
 452     .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS,
 453     .process_command = process_command,
 454 };