/* * Copyright (c) 2015 Paul B Mahol * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file * Adaptive Temporal Averaging Denoiser, * based on paper "Video Denoising Based on Adaptive Temporal Averaging" by * David Bartovčak and Miroslav Vrankić */ #include "libavutil/imgutils.h" #include "libavutil/opt.h" #include "libavutil/pixdesc.h" #include "avfilter.h" #define FF_BUFQUEUE_SIZE 129 #include "bufferqueue.h" #include "atadenoise.h" #include "formats.h" #include "internal.h" #include "video.h" #define SIZE FF_BUFQUEUE_SIZE typedef struct ATADenoiseContext { const AVClass *class; float fthra[4], fthrb[4]; int thra[4], thrb[4]; int algorithm; int planes; int nb_planes; int planewidth[4]; int planeheight[4]; struct FFBufQueue q; void *data[4][SIZE]; int linesize[4][SIZE]; int size, mid; int available; int (*filter_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs); ATADenoiseDSPContext dsp; } ATADenoiseContext; #define OFFSET(x) offsetof(ATADenoiseContext, x) #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM #define VF AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM static const AVOption atadenoise_options[] = { { "0a", "set threshold A for 1st plane", OFFSET(fthra[0]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0, 0.3, FLAGS }, { "0b", "set threshold B for 1st plane", OFFSET(fthrb[0]), AV_OPT_TYPE_FLOAT, {.dbl=0.04}, 0, 5.0, FLAGS }, { "1a", "set threshold A for 2nd plane", OFFSET(fthra[1]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0, 0.3, FLAGS }, { "1b", "set threshold B for 2nd plane", OFFSET(fthrb[1]), AV_OPT_TYPE_FLOAT, {.dbl=0.04}, 0, 5.0, FLAGS }, { "2a", "set threshold A for 3rd plane", OFFSET(fthra[2]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0, 0.3, FLAGS }, { "2b", "set threshold B for 3rd plane", OFFSET(fthrb[2]), AV_OPT_TYPE_FLOAT, {.dbl=0.04}, 0, 5.0, FLAGS }, { "s", "set how many frames to use", OFFSET(size), AV_OPT_TYPE_INT, {.i64=9}, 5, SIZE, VF }, { "p", "set what planes to filter", OFFSET(planes), AV_OPT_TYPE_FLAGS, {.i64=7}, 0, 15, FLAGS }, { "a", "set variant of algorithm", OFFSET(algorithm),AV_OPT_TYPE_INT, {.i64=PARALLEL}, 0, NB_ATAA-1, FLAGS, "a" }, { "p", "parallel", 0, AV_OPT_TYPE_CONST, {.i64=PARALLEL}, 0, 0, FLAGS, "a" }, { "s", "serial", 0, AV_OPT_TYPE_CONST, {.i64=SERIAL}, 0, 0, FLAGS, "a" }, { NULL } }; AVFILTER_DEFINE_CLASS(atadenoise); static int query_formats(AVFilterContext *ctx) { static const enum AVPixelFormat pixel_fmts[] = { AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16, AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ440P, AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ411P, AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV440P10, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV440P12, AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16, AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16, AV_PIX_FMT_NONE }; AVFilterFormats *formats = ff_make_format_list(pixel_fmts); if (!formats) return AVERROR(ENOMEM); return ff_set_common_formats(ctx, formats); } static av_cold int init(AVFilterContext *ctx) { ATADenoiseContext *s = ctx->priv; if (!(s->size & 1)) { 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); s->size |= 1; } s->mid = s->size / 2 + 1; return 0; } typedef struct ThreadData { AVFrame *in, *out; } ThreadData; #define FILTER_ROW(type, name) \ static void filter_row##name(const uint8_t *ssrc, uint8_t *ddst, \ const uint8_t *ssrcf[SIZE], \ int w, int mid, int size, \ int thra, int thrb) \ { \ const type *src = (const type *)ssrc; \ const type **srcf = (const type **)ssrcf; \ type *dst = (type *)ddst; \ \ for (int x = 0; x < w; x++) { \ const int srcx = src[x]; \ unsigned lsumdiff = 0, rsumdiff = 0; \ unsigned ldiff, rdiff; \ unsigned sum = srcx; \ int l = 0, r = 0; \ int srcjx, srcix; \ \ for (int j = mid - 1, i = mid + 1; j >= 0 && i < size; j--, i++) { \ srcjx = srcf[j][x]; \ \ ldiff = FFABS(srcx - srcjx); \ lsumdiff += ldiff; \ if (ldiff > thra || \ lsumdiff > thrb) \ break; \ l++; \ sum += srcjx; \ \ srcix = srcf[i][x]; \ \ rdiff = FFABS(srcx - srcix); \ rsumdiff += rdiff; \ if (rdiff > thra || \ rsumdiff > thrb) \ break; \ r++; \ sum += srcix; \ } \ \ dst[x] = (sum + ((r + l + 1) >> 1)) / (r + l + 1); \ } \ } FILTER_ROW(uint8_t, 8) FILTER_ROW(uint16_t, 16) #define FILTER_ROW_SERIAL(type, name) \ static void filter_row##name##_serial(const uint8_t *ssrc, uint8_t *ddst, \ const uint8_t *ssrcf[SIZE], \ int w, int mid, int size, \ int thra, int thrb) \ { \ const type *src = (const type *)ssrc; \ const type **srcf = (const type **)ssrcf; \ type *dst = (type *)ddst; \ \ for (int x = 0; x < w; x++) { \ const int srcx = src[x]; \ unsigned lsumdiff = 0, rsumdiff = 0; \ unsigned ldiff, rdiff; \ unsigned sum = srcx; \ int l = 0, r = 0; \ int srcjx, srcix; \ \ for (int j = mid - 1; j >= 0; j--) { \ srcjx = srcf[j][x]; \ \ ldiff = FFABS(srcx - srcjx); \ lsumdiff += ldiff; \ if (ldiff > thra || \ lsumdiff > thrb) \ break; \ l++; \ sum += srcjx; \ } \ \ for (int i = mid + 1; i < size; i++) { \ srcix = srcf[i][x]; \ \ rdiff = FFABS(srcx - srcix); \ rsumdiff += rdiff; \ if (rdiff > thra || \ rsumdiff > thrb) \ break; \ r++; \ sum += srcix; \ } \ \ dst[x] = (sum + ((r + l + 1) >> 1)) / (r + l + 1); \ } \ } FILTER_ROW_SERIAL(uint8_t, 8) FILTER_ROW_SERIAL(uint16_t, 16) static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) { ATADenoiseContext *s = ctx->priv; ThreadData *td = arg; AVFrame *in = td->in; AVFrame *out = td->out; const int size = s->size; const int mid = s->mid; int p, y, i; for (p = 0; p < s->nb_planes; p++) { const int h = s->planeheight[p]; const int w = s->planewidth[p]; const int slice_start = (h * jobnr) / nb_jobs; const int slice_end = (h * (jobnr+1)) / nb_jobs; const uint8_t *src = in->data[p] + slice_start * in->linesize[p]; uint8_t *dst = out->data[p] + slice_start * out->linesize[p]; const int thra = s->thra[p]; const int thrb = s->thrb[p]; const uint8_t **data = (const uint8_t **)s->data[p]; const int *linesize = (const int *)s->linesize[p]; const uint8_t *srcf[SIZE]; if (!((1 << p) & s->planes)) { av_image_copy_plane(dst, out->linesize[p], src, in->linesize[p], w, slice_end - slice_start); continue; } for (i = 0; i < size; i++) srcf[i] = data[i] + slice_start * linesize[i]; for (y = slice_start; y < slice_end; y++) { s->dsp.filter_row(src, dst, srcf, w, mid, size, thra, thrb); dst += out->linesize[p]; src += in->linesize[p]; for (i = 0; i < size; i++) srcf[i] += linesize[i]; } } return 0; } static int config_input(AVFilterLink *inlink) { const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format); AVFilterContext *ctx = inlink->dst; ATADenoiseContext *s = ctx->priv; int depth; s->nb_planes = desc->nb_components; s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h); s->planeheight[0] = s->planeheight[3] = inlink->h; s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w); s->planewidth[0] = s->planewidth[3] = inlink->w; depth = desc->comp[0].depth; s->filter_slice = filter_slice; if (depth == 8) s->dsp.filter_row = s->algorithm == PARALLEL ? filter_row8 : filter_row8_serial; else s->dsp.filter_row = s->algorithm == PARALLEL ? filter_row16 : filter_row16_serial; s->thra[0] = s->fthra[0] * (1 << depth) - 1; s->thra[1] = s->fthra[1] * (1 << depth) - 1; s->thra[2] = s->fthra[2] * (1 << depth) - 1; s->thrb[0] = s->fthrb[0] * (1 << depth) - 1; s->thrb[1] = s->fthrb[1] * (1 << depth) - 1; s->thrb[2] = s->fthrb[2] * (1 << depth) - 1; if (ARCH_X86) ff_atadenoise_init_x86(&s->dsp, depth, s->algorithm); return 0; } static int filter_frame(AVFilterLink *inlink, AVFrame *buf) { AVFilterContext *ctx = inlink->dst; AVFilterLink *outlink = ctx->outputs[0]; ATADenoiseContext *s = ctx->priv; AVFrame *out, *in; int i; if (s->q.available != s->size) { if (s->q.available < s->mid) { for (i = 0; i < s->mid; i++) { out = av_frame_clone(buf); if (!out) { av_frame_free(&buf); return AVERROR(ENOMEM); } ff_bufqueue_add(ctx, &s->q, out); } } if (s->q.available < s->size) { ff_bufqueue_add(ctx, &s->q, buf); s->available++; } return 0; } in = ff_bufqueue_peek(&s->q, s->mid); if (!ctx->is_disabled) { ThreadData td; out = ff_get_video_buffer(outlink, outlink->w, outlink->h); if (!out) { av_frame_free(&buf); return AVERROR(ENOMEM); } for (i = 0; i < s->size; i++) { AVFrame *frame = ff_bufqueue_peek(&s->q, i); s->data[0][i] = frame->data[0]; s->data[1][i] = frame->data[1]; s->data[2][i] = frame->data[2]; s->linesize[0][i] = frame->linesize[0]; s->linesize[1][i] = frame->linesize[1]; s->linesize[2][i] = frame->linesize[2]; } td.in = in; td.out = out; ctx->internal->execute(ctx, s->filter_slice, &td, NULL, FFMIN3(s->planeheight[1], s->planeheight[2], ff_filter_get_nb_threads(ctx))); av_frame_copy_props(out, in); } else { out = av_frame_clone(in); if (!out) { av_frame_free(&buf); return AVERROR(ENOMEM); } } in = ff_bufqueue_get(&s->q); av_frame_free(&in); ff_bufqueue_add(ctx, &s->q, buf); return ff_filter_frame(outlink, out); } static int request_frame(AVFilterLink *outlink) { AVFilterContext *ctx = outlink->src; ATADenoiseContext *s = ctx->priv; int ret = 0; ret = ff_request_frame(ctx->inputs[0]); if (ret == AVERROR_EOF && !ctx->is_disabled && s->available) { AVFrame *buf = av_frame_clone(ff_bufqueue_peek(&s->q, s->available)); if (!buf) return AVERROR(ENOMEM); ret = filter_frame(ctx->inputs[0], buf); s->available--; } return ret; } static av_cold void uninit(AVFilterContext *ctx) { ATADenoiseContext *s = ctx->priv; ff_bufqueue_discard_all(&s->q); } static int process_command(AVFilterContext *ctx, const char *cmd, const char *arg, char *res, int res_len, int flags) { int ret = ff_filter_process_command(ctx, cmd, arg, res, res_len, flags); if (ret < 0) return ret; return config_input(ctx->inputs[0]); } static const AVFilterPad inputs[] = { { .name = "default", .type = AVMEDIA_TYPE_VIDEO, .filter_frame = filter_frame, .config_props = config_input, }, { NULL } }; static const AVFilterPad outputs[] = { { .name = "default", .type = AVMEDIA_TYPE_VIDEO, .request_frame = request_frame, }, { NULL } }; AVFilter ff_vf_atadenoise = { .name = "atadenoise", .description = NULL_IF_CONFIG_SMALL("Apply an Adaptive Temporal Averaging Denoiser."), .priv_size = sizeof(ATADenoiseContext), .priv_class = &atadenoise_class, .init = init, .uninit = uninit, .query_formats = query_formats, .inputs = inputs, .outputs = outputs, .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS, .process_command = process_command, };