mirror of
https://github.com/nyanmisaka/ffmpeg-rockchip.git
synced 2025-10-28 19:22:02 +08:00
415 lines
13 KiB
C
415 lines
13 KiB
C
/*
|
|
* 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/opt.h"
|
|
#include "libavutil/pixdesc.h"
|
|
#include "avfilter.h"
|
|
|
|
#define FF_BUFQUEUE_SIZE 129
|
|
#include "bufferqueue.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 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);
|
|
} ATADenoiseContext;
|
|
|
|
#define OFFSET(x) offsetof(ATADenoiseContext, x)
|
|
#define FLAGS 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=33}, 5, SIZE, FLAGS },
|
|
{ NULL }
|
|
};
|
|
|
|
AVFILTER_DEFINE_CLASS(atadenoise);
|
|
|
|
static int query_formats(AVFilterContext *ctx)
|
|
{
|
|
static const enum AVPixelFormat pixel_fmts[] = {
|
|
AV_PIX_FMT_GRAY8,
|
|
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_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_ERROR, "size %d is invalid. Must be an odd value.\n", s->size);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
s->mid = s->size / 2 + 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
typedef struct ThreadData {
|
|
AVFrame *in, *out;
|
|
} ThreadData;
|
|
|
|
static int filter_slice8(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, x, y, i, j;
|
|
|
|
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];
|
|
|
|
for (i = 0; i < size; i++)
|
|
srcf[i] = data[i] + slice_start * linesize[i];
|
|
|
|
for (y = slice_start; y < slice_end; y++) {
|
|
for (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 (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);
|
|
}
|
|
|
|
dst += out->linesize[p];
|
|
src += in->linesize[p];
|
|
|
|
for (i = 0; i < size; i++)
|
|
srcf[i] += linesize[i];
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int filter_slice16(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, x, y, i, j;
|
|
|
|
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 uint16_t *src = (uint16_t *)(in->data[p] + slice_start * in->linesize[p]);
|
|
uint16_t *dst = (uint16_t *)(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 uint16_t *srcf[SIZE];
|
|
|
|
for (i = 0; i < s->size; i++)
|
|
srcf[i] = (const uint16_t *)(data[i] + slice_start * linesize[i]);
|
|
|
|
for (y = slice_start; y < slice_end; y++) {
|
|
for (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 (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);
|
|
}
|
|
|
|
dst += out->linesize[p] / 2;
|
|
src += in->linesize[p] / 2;
|
|
|
|
for (i = 0; i < size; i++)
|
|
srcf[i] += linesize[i] / 2;
|
|
}
|
|
}
|
|
|
|
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] = FF_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
|
|
s->planeheight[0] = s->planeheight[3] = inlink->h;
|
|
s->planewidth[1] = s->planewidth[2] = FF_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
|
|
s->planewidth[0] = s->planewidth[3] = inlink->w;
|
|
|
|
depth = desc->comp[0].depth;
|
|
if (depth == 8)
|
|
s->filter_slice = filter_slice8;
|
|
else
|
|
s->filter_slice = filter_slice16;
|
|
|
|
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;
|
|
|
|
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],
|
|
ctx->graph->nb_threads));
|
|
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 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,
|
|
};
|