| /* |
| * 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_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P, |
| AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA444P12, AV_PIX_FMT_YUVA444P16, |
| AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA422P16, |
| AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA420P16, |
| AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16, |
| 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, |
| }; |
