LCOV - code coverage report
Current view: top level - libavfilter - vf_atadenoise.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 0 190 0.0 %
Date: 2017-12-10 21:22:29 Functions: 0 8 0.0 %

          Line data    Source code
       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 "formats.h"
      37             : #include "internal.h"
      38             : #include "video.h"
      39             : 
      40             : #define SIZE FF_BUFQUEUE_SIZE
      41             : 
      42             : typedef struct ATADenoiseContext {
      43             :     const AVClass *class;
      44             : 
      45             :     float fthra[4], fthrb[4];
      46             :     int thra[4], thrb[4];
      47             : 
      48             :     int planes;
      49             :     int nb_planes;
      50             :     int planewidth[4];
      51             :     int planeheight[4];
      52             : 
      53             :     struct FFBufQueue q;
      54             :     void *data[4][SIZE];
      55             :     int linesize[4][SIZE];
      56             :     int size, mid;
      57             :     int available;
      58             : 
      59             :     int (*filter_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
      60             : } ATADenoiseContext;
      61             : 
      62             : #define OFFSET(x) offsetof(ATADenoiseContext, x)
      63             : #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
      64             : 
      65             : static const AVOption atadenoise_options[] = {
      66             :     { "0a", "set threshold A for 1st plane", OFFSET(fthra[0]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0, 0.3, FLAGS },
      67             :     { "0b", "set threshold B for 1st plane", OFFSET(fthrb[0]), AV_OPT_TYPE_FLOAT, {.dbl=0.04}, 0, 5.0, FLAGS },
      68             :     { "1a", "set threshold A for 2nd plane", OFFSET(fthra[1]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0, 0.3, FLAGS },
      69             :     { "1b", "set threshold B for 2nd plane", OFFSET(fthrb[1]), AV_OPT_TYPE_FLOAT, {.dbl=0.04}, 0, 5.0, FLAGS },
      70             :     { "2a", "set threshold A for 3rd plane", OFFSET(fthra[2]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0, 0.3, FLAGS },
      71             :     { "2b", "set threshold B for 3rd plane", OFFSET(fthrb[2]), AV_OPT_TYPE_FLOAT, {.dbl=0.04}, 0, 5.0, FLAGS },
      72             :     { "s",  "set how many frames to use",    OFFSET(size),     AV_OPT_TYPE_INT,   {.i64=9},   5, SIZE, FLAGS },
      73             :     { "p",  "set what planes to filter",     OFFSET(planes),   AV_OPT_TYPE_FLAGS, {.i64=7},    0, 15,  FLAGS },
      74             :     { NULL }
      75             : };
      76             : 
      77             : AVFILTER_DEFINE_CLASS(atadenoise);
      78             : 
      79           0 : static int query_formats(AVFilterContext *ctx)
      80             : {
      81             :     static const enum AVPixelFormat pixel_fmts[] = {
      82             :         AV_PIX_FMT_GRAY8,
      83             :         AV_PIX_FMT_GRAY9,
      84             :         AV_PIX_FMT_GRAY10,
      85             :         AV_PIX_FMT_GRAY12,
      86             :         AV_PIX_FMT_GRAY16,
      87             :         AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV411P,
      88             :         AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P,
      89             :         AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P,
      90             :         AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P,
      91             :         AV_PIX_FMT_YUVJ440P, AV_PIX_FMT_YUVJ444P,
      92             :         AV_PIX_FMT_YUVJ411P,
      93             :         AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9,
      94             :         AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
      95             :         AV_PIX_FMT_YUV440P10,
      96             :         AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV420P12,
      97             :         AV_PIX_FMT_YUV440P12,
      98             :         AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV420P14,
      99             :         AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,
     100             :         AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
     101             :         AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
     102             :         AV_PIX_FMT_NONE
     103             :     };
     104           0 :     AVFilterFormats *formats = ff_make_format_list(pixel_fmts);
     105           0 :     if (!formats)
     106           0 :         return AVERROR(ENOMEM);
     107           0 :     return ff_set_common_formats(ctx, formats);
     108             : }
     109             : 
     110           0 : static av_cold int init(AVFilterContext *ctx)
     111             : {
     112           0 :     ATADenoiseContext *s = ctx->priv;
     113             : 
     114           0 :     if (!(s->size & 1)) {
     115           0 :         av_log(ctx, AV_LOG_ERROR, "size %d is invalid. Must be an odd value.\n", s->size);
     116           0 :         return AVERROR(EINVAL);
     117             :     }
     118           0 :     s->mid = s->size / 2 + 1;
     119             : 
     120           0 :     return 0;
     121             : }
     122             : 
     123             : typedef struct ThreadData {
     124             :     AVFrame *in, *out;
     125             : } ThreadData;
     126             : 
     127           0 : static int filter_slice8(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
     128             : {
     129           0 :     ATADenoiseContext *s = ctx->priv;
     130           0 :     ThreadData *td = arg;
     131           0 :     AVFrame *in = td->in;
     132           0 :     AVFrame *out = td->out;
     133           0 :     const int size = s->size;
     134           0 :     const int mid = s->mid;
     135             :     int p, x, y, i, j;
     136             : 
     137           0 :     for (p = 0; p < s->nb_planes; p++) {
     138           0 :         const int h = s->planeheight[p];
     139           0 :         const int w = s->planewidth[p];
     140           0 :         const int slice_start = (h * jobnr) / nb_jobs;
     141           0 :         const int slice_end = (h * (jobnr+1)) / nb_jobs;
     142           0 :         const uint8_t *src = in->data[p] + slice_start * in->linesize[p];
     143           0 :         uint8_t *dst = out->data[p] + slice_start * out->linesize[p];
     144           0 :         const int thra = s->thra[p];
     145           0 :         const int thrb = s->thrb[p];
     146           0 :         const uint8_t **data = (const uint8_t **)s->data[p];
     147           0 :         const int *linesize = (const int *)s->linesize[p];
     148             :         const uint8_t *srcf[SIZE];
     149             : 
     150           0 :         if (!((1 << p) & s->planes)) {
     151           0 :             av_image_copy_plane(dst, out->linesize[p], src, in->linesize[p],
     152             :                                 w, slice_end - slice_start);
     153           0 :             continue;
     154             :         }
     155             : 
     156           0 :         for (i = 0; i < size; i++)
     157           0 :             srcf[i] = data[i] + slice_start * linesize[i];
     158             : 
     159           0 :         for (y = slice_start; y < slice_end; y++) {
     160           0 :             for (x = 0; x < w; x++) {
     161           0 :                 const int srcx = src[x];
     162           0 :                 unsigned lsumdiff = 0, rsumdiff = 0;
     163             :                 unsigned ldiff, rdiff;
     164           0 :                 unsigned sum = srcx;
     165           0 :                 int l = 0, r = 0;
     166             :                 int srcjx, srcix;
     167             : 
     168           0 :                 for (j = mid - 1, i = mid + 1; j >= 0 && i < size; j--, i++) {
     169           0 :                     srcjx = srcf[j][x];
     170             : 
     171           0 :                     ldiff = FFABS(srcx - srcjx);
     172           0 :                     lsumdiff += ldiff;
     173           0 :                     if (ldiff > thra ||
     174           0 :                         lsumdiff > thrb)
     175             :                         break;
     176           0 :                     l++;
     177           0 :                     sum += srcjx;
     178             : 
     179           0 :                     srcix = srcf[i][x];
     180             : 
     181           0 :                     rdiff = FFABS(srcx - srcix);
     182           0 :                     rsumdiff += rdiff;
     183           0 :                     if (rdiff > thra ||
     184           0 :                         rsumdiff > thrb)
     185             :                         break;
     186           0 :                     r++;
     187           0 :                     sum += srcix;
     188             :                 }
     189             : 
     190           0 :                 dst[x] = sum / (r + l + 1);
     191             :             }
     192             : 
     193           0 :             dst += out->linesize[p];
     194           0 :             src += in->linesize[p];
     195             : 
     196           0 :             for (i = 0; i < size; i++)
     197           0 :                 srcf[i] += linesize[i];
     198             :         }
     199             :     }
     200             : 
     201           0 :     return 0;
     202             : }
     203             : 
     204           0 : static int filter_slice16(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
     205             : {
     206           0 :     ATADenoiseContext *s = ctx->priv;
     207           0 :     ThreadData *td = arg;
     208           0 :     AVFrame *in = td->in;
     209           0 :     AVFrame *out = td->out;
     210           0 :     const int size = s->size;
     211           0 :     const int mid = s->mid;
     212             :     int p, x, y, i, j;
     213             : 
     214           0 :     for (p = 0; p < s->nb_planes; p++) {
     215           0 :         const int h = s->planeheight[p];
     216           0 :         const int w = s->planewidth[p];
     217           0 :         const int slice_start = (h * jobnr) / nb_jobs;
     218           0 :         const int slice_end = (h * (jobnr+1)) / nb_jobs;
     219           0 :         const uint16_t *src = (uint16_t *)(in->data[p] + slice_start * in->linesize[p]);
     220           0 :         uint16_t *dst = (uint16_t *)(out->data[p] + slice_start * out->linesize[p]);
     221           0 :         const int thra = s->thra[p];
     222           0 :         const int thrb = s->thrb[p];
     223           0 :         const uint8_t **data = (const uint8_t **)s->data[p];
     224           0 :         const int *linesize = (const int *)s->linesize[p];
     225             :         const uint16_t *srcf[SIZE];
     226             : 
     227           0 :         if (!((1 << p) & s->planes)) {
     228           0 :             av_image_copy_plane((uint8_t *)dst, out->linesize[p], (uint8_t *)src, in->linesize[p],
     229             :                                 w * 2, slice_end - slice_start);
     230           0 :             continue;
     231             :         }
     232             : 
     233           0 :         for (i = 0; i < s->size; i++)
     234           0 :             srcf[i] = (const uint16_t *)(data[i] + slice_start * linesize[i]);
     235             : 
     236           0 :         for (y = slice_start; y < slice_end; y++) {
     237           0 :             for (x = 0; x < w; x++) {
     238           0 :                 const int srcx = src[x];
     239           0 :                 unsigned lsumdiff = 0, rsumdiff = 0;
     240             :                 unsigned ldiff, rdiff;
     241           0 :                 unsigned sum = srcx;
     242           0 :                 int l = 0, r = 0;
     243             :                 int srcjx, srcix;
     244             : 
     245           0 :                 for (j = mid - 1, i = mid + 1; j >= 0 && i < size; j--, i++) {
     246           0 :                     srcjx = srcf[j][x];
     247             : 
     248           0 :                     ldiff = FFABS(srcx - srcjx);
     249           0 :                     lsumdiff += ldiff;
     250           0 :                     if (ldiff > thra ||
     251           0 :                         lsumdiff > thrb)
     252             :                         break;
     253           0 :                     l++;
     254           0 :                     sum += srcjx;
     255             : 
     256           0 :                     srcix = srcf[i][x];
     257             : 
     258           0 :                     rdiff = FFABS(srcx - srcix);
     259           0 :                     rsumdiff += rdiff;
     260           0 :                     if (rdiff > thra ||
     261           0 :                         rsumdiff > thrb)
     262             :                         break;
     263           0 :                     r++;
     264           0 :                     sum += srcix;
     265             :                 }
     266             : 
     267           0 :                 dst[x] = sum / (r + l + 1);
     268             :             }
     269             : 
     270           0 :             dst += out->linesize[p] / 2;
     271           0 :             src += in->linesize[p] / 2;
     272             : 
     273           0 :             for (i = 0; i < size; i++)
     274           0 :                 srcf[i] += linesize[i] / 2;
     275             :         }
     276             :     }
     277             : 
     278           0 :     return 0;
     279             : }
     280             : 
     281           0 : static int config_input(AVFilterLink *inlink)
     282             : {
     283           0 :     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
     284           0 :     AVFilterContext *ctx = inlink->dst;
     285           0 :     ATADenoiseContext *s = ctx->priv;
     286             :     int depth;
     287             : 
     288           0 :     s->nb_planes = desc->nb_components;
     289             : 
     290           0 :     s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
     291           0 :     s->planeheight[0] = s->planeheight[3] = inlink->h;
     292           0 :     s->planewidth[1]  = s->planewidth[2]  = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
     293           0 :     s->planewidth[0]  = s->planewidth[3]  = inlink->w;
     294             : 
     295           0 :     depth = desc->comp[0].depth;
     296           0 :     if (depth == 8)
     297           0 :         s->filter_slice = filter_slice8;
     298             :     else
     299           0 :         s->filter_slice = filter_slice16;
     300             : 
     301           0 :     s->thra[0] = s->fthra[0] * (1 << depth) - 1;
     302           0 :     s->thra[1] = s->fthra[1] * (1 << depth) - 1;
     303           0 :     s->thra[2] = s->fthra[2] * (1 << depth) - 1;
     304           0 :     s->thrb[0] = s->fthrb[0] * (1 << depth) - 1;
     305           0 :     s->thrb[1] = s->fthrb[1] * (1 << depth) - 1;
     306           0 :     s->thrb[2] = s->fthrb[2] * (1 << depth) - 1;
     307             : 
     308           0 :     return 0;
     309             : }
     310             : 
     311           0 : static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
     312             : {
     313           0 :     AVFilterContext *ctx = inlink->dst;
     314           0 :     AVFilterLink *outlink = ctx->outputs[0];
     315           0 :     ATADenoiseContext *s = ctx->priv;
     316             :     AVFrame *out, *in;
     317             :     int i;
     318             : 
     319           0 :     if (s->q.available != s->size) {
     320           0 :         if (s->q.available < s->mid) {
     321           0 :             for (i = 0; i < s->mid; i++) {
     322           0 :                 out = av_frame_clone(buf);
     323           0 :                 if (!out) {
     324           0 :                     av_frame_free(&buf);
     325           0 :                     return AVERROR(ENOMEM);
     326             :                 }
     327           0 :                 ff_bufqueue_add(ctx, &s->q, out);
     328             :             }
     329             :         }
     330           0 :         if (s->q.available < s->size) {
     331           0 :             ff_bufqueue_add(ctx, &s->q, buf);
     332           0 :             s->available++;
     333             :         }
     334           0 :         return 0;
     335             :     }
     336             : 
     337           0 :     in = ff_bufqueue_peek(&s->q, s->mid);
     338             : 
     339           0 :     if (!ctx->is_disabled) {
     340             :         ThreadData td;
     341             : 
     342           0 :         out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
     343           0 :         if (!out) {
     344           0 :             av_frame_free(&buf);
     345           0 :             return AVERROR(ENOMEM);
     346             :         }
     347             : 
     348           0 :         for (i = 0; i < s->size; i++) {
     349           0 :             AVFrame *frame = ff_bufqueue_peek(&s->q, i);
     350             : 
     351           0 :             s->data[0][i] = frame->data[0];
     352           0 :             s->data[1][i] = frame->data[1];
     353           0 :             s->data[2][i] = frame->data[2];
     354           0 :             s->linesize[0][i] = frame->linesize[0];
     355           0 :             s->linesize[1][i] = frame->linesize[1];
     356           0 :             s->linesize[2][i] = frame->linesize[2];
     357             :         }
     358             : 
     359           0 :         td.in = in; td.out = out;
     360           0 :         ctx->internal->execute(ctx, s->filter_slice, &td, NULL,
     361           0 :                                FFMIN3(s->planeheight[1],
     362             :                                       s->planeheight[2],
     363             :                                       ff_filter_get_nb_threads(ctx)));
     364           0 :         av_frame_copy_props(out, in);
     365             :     } else {
     366           0 :         out = av_frame_clone(in);
     367           0 :         if (!out) {
     368           0 :             av_frame_free(&buf);
     369           0 :             return AVERROR(ENOMEM);
     370             :         }
     371             :     }
     372             : 
     373           0 :     in = ff_bufqueue_get(&s->q);
     374           0 :     av_frame_free(&in);
     375           0 :     ff_bufqueue_add(ctx, &s->q, buf);
     376             : 
     377           0 :     return ff_filter_frame(outlink, out);
     378             : }
     379             : 
     380           0 : static int request_frame(AVFilterLink *outlink)
     381             : {
     382           0 :     AVFilterContext *ctx = outlink->src;
     383           0 :     ATADenoiseContext *s = ctx->priv;
     384           0 :     int ret = 0;
     385             : 
     386           0 :     ret = ff_request_frame(ctx->inputs[0]);
     387             : 
     388           0 :     if (ret == AVERROR_EOF && !ctx->is_disabled && s->available) {
     389           0 :         AVFrame *buf = av_frame_clone(ff_bufqueue_peek(&s->q, s->available));
     390           0 :         if (!buf)
     391           0 :             return AVERROR(ENOMEM);
     392             : 
     393           0 :         ret = filter_frame(ctx->inputs[0], buf);
     394           0 :         s->available--;
     395             :     }
     396             : 
     397           0 :     return ret;
     398             : }
     399             : 
     400           0 : static av_cold void uninit(AVFilterContext *ctx)
     401             : {
     402           0 :     ATADenoiseContext *s = ctx->priv;
     403             : 
     404           0 :     ff_bufqueue_discard_all(&s->q);
     405           0 : }
     406             : 
     407             : static const AVFilterPad inputs[] = {
     408             :     {
     409             :         .name         = "default",
     410             :         .type         = AVMEDIA_TYPE_VIDEO,
     411             :         .filter_frame = filter_frame,
     412             :         .config_props = config_input,
     413             :     },
     414             :     { NULL }
     415             : };
     416             : 
     417             : static const AVFilterPad outputs[] = {
     418             :     {
     419             :         .name          = "default",
     420             :         .type          = AVMEDIA_TYPE_VIDEO,
     421             :         .request_frame = request_frame,
     422             :     },
     423             :     { NULL }
     424             : };
     425             : 
     426             : AVFilter ff_vf_atadenoise = {
     427             :     .name          = "atadenoise",
     428             :     .description   = NULL_IF_CONFIG_SMALL("Apply an Adaptive Temporal Averaging Denoiser."),
     429             :     .priv_size     = sizeof(ATADenoiseContext),
     430             :     .priv_class    = &atadenoise_class,
     431             :     .init          = init,
     432             :     .uninit        = uninit,
     433             :     .query_formats = query_formats,
     434             :     .inputs        = inputs,
     435             :     .outputs       = outputs,
     436             :     .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS,
     437             : };

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