mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-12 19:18:44 +02:00
303 lines
16 KiB
C
303 lines
16 KiB
C
/*
|
|
* Copyright (c) 2020 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
|
|
*/
|
|
|
|
#include "libavutil/imgutils.h"
|
|
#include "libavutil/opt.h"
|
|
#include "libavutil/pixdesc.h"
|
|
|
|
#include "avfilter.h"
|
|
#include "internal.h"
|
|
#include "video.h"
|
|
|
|
typedef struct ChromaNRContext {
|
|
const AVClass *class;
|
|
|
|
float threshold;
|
|
float threshold_y;
|
|
float threshold_u;
|
|
float threshold_v;
|
|
int distance;
|
|
int thres;
|
|
int thres_y;
|
|
int thres_u;
|
|
int thres_v;
|
|
int sizew;
|
|
int sizeh;
|
|
int stepw;
|
|
int steph;
|
|
int depth;
|
|
int chroma_w;
|
|
int chroma_h;
|
|
int nb_planes;
|
|
int linesize[4];
|
|
int planeheight[4];
|
|
int planewidth[4];
|
|
|
|
AVFrame *out;
|
|
int (*filter_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
|
|
} ChromaNRContext;
|
|
|
|
static const enum AVPixelFormat pix_fmts[] = {
|
|
AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV444P,
|
|
AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P,
|
|
AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ440P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P, 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_YUV440P10, AV_PIX_FMT_YUV444P10,
|
|
AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV440P12, AV_PIX_FMT_YUV420P12,
|
|
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_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9,
|
|
AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10,
|
|
AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA444P12,
|
|
AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16,
|
|
AV_PIX_FMT_NONE
|
|
};
|
|
|
|
#define MANHATTAN_DISTANCE(x, y, z) ((x) + (y) + (z))
|
|
#define EUCLIDEAN_DISTANCE(x, y, z) (sqrtf((x)*(x) + (y)*(y) + (z)*(z)))
|
|
|
|
#define FILTER_FUNC(distance, name, ctype, type, fun, extra) \
|
|
static int distance ## _slice##name(AVFilterContext *ctx, void *arg, \
|
|
int jobnr, int nb_jobs) \
|
|
{ \
|
|
ChromaNRContext *s = ctx->priv; \
|
|
AVFrame *in = arg; \
|
|
AVFrame *out = s->out; \
|
|
const int in_ylinesize = in->linesize[0]; \
|
|
const int in_ulinesize = in->linesize[1]; \
|
|
const int in_vlinesize = in->linesize[2]; \
|
|
const int out_ulinesize = out->linesize[1]; \
|
|
const int out_vlinesize = out->linesize[2]; \
|
|
const int chroma_w = s->chroma_w; \
|
|
const int chroma_h = s->chroma_h; \
|
|
const int stepw = s->stepw; \
|
|
const int steph = s->steph; \
|
|
const int sizew = s->sizew; \
|
|
const int sizeh = s->sizeh; \
|
|
const int thres = s->thres; \
|
|
const int thres_y = s->thres_y; \
|
|
const int thres_u = s->thres_u; \
|
|
const int thres_v = s->thres_v; \
|
|
const int h = s->planeheight[1]; \
|
|
const int w = s->planewidth[1]; \
|
|
const int slice_start = (h * jobnr) / nb_jobs; \
|
|
const int slice_end = (h * (jobnr+1)) / nb_jobs; \
|
|
type *out_uptr = (type *)(out->data[1] + slice_start * out_ulinesize); \
|
|
type *out_vptr = (type *)(out->data[2] + slice_start * out_vlinesize); \
|
|
\
|
|
{ \
|
|
const int h = s->planeheight[0]; \
|
|
const int slice_start = (h * jobnr) / nb_jobs; \
|
|
const int slice_end = (h * (jobnr+1)) / nb_jobs; \
|
|
\
|
|
av_image_copy_plane(out->data[0] + slice_start * out->linesize[0], \
|
|
out->linesize[0], \
|
|
in->data[0] + slice_start * in->linesize[0], \
|
|
in->linesize[0], \
|
|
s->linesize[0], slice_end - slice_start); \
|
|
\
|
|
if (s->nb_planes == 4) { \
|
|
av_image_copy_plane(out->data[3] + slice_start * out->linesize[3], \
|
|
out->linesize[3], \
|
|
in->data[3] + slice_start * in->linesize[3], \
|
|
in->linesize[3], \
|
|
s->linesize[3], slice_end - slice_start); \
|
|
} \
|
|
} \
|
|
\
|
|
for (int y = slice_start; y < slice_end; y++) { \
|
|
const type *in_yptr = (const type *)(in->data[0] + y * chroma_h * in_ylinesize); \
|
|
const type *in_uptr = (const type *)(in->data[1] + y * in_ulinesize); \
|
|
const type *in_vptr = (const type *)(in->data[2] + y * in_vlinesize); \
|
|
const int yystart = FFMAX(0, y - sizeh); \
|
|
const int yystop = FFMIN(h - 1, y + sizeh); \
|
|
\
|
|
for (int x = 0; x < w; x++) { \
|
|
const int xxstart = FFMAX(0, x - sizew); \
|
|
const int xxstop = FFMIN(w - 1, x + sizew); \
|
|
const int cy = in_yptr[x * chroma_w]; \
|
|
const int cu = in_uptr[x]; \
|
|
const int cv = in_vptr[x]; \
|
|
int su = cu; \
|
|
int sv = cv; \
|
|
int cn = 1; \
|
|
\
|
|
for (int yy = yystart; yy <= yystop; yy += steph) { \
|
|
const type *in_yptr = (const type *)(in->data[0] + yy * chroma_h * in_ylinesize); \
|
|
const type *in_uptr = (const type *)(in->data[1] + yy * in_ulinesize); \
|
|
const type *in_vptr = (const type *)(in->data[2] + yy * in_vlinesize); \
|
|
\
|
|
for (int xx = xxstart; xx <= xxstop; xx += stepw) { \
|
|
const ctype Y = in_yptr[xx * chroma_w]; \
|
|
const ctype U = in_uptr[xx]; \
|
|
const ctype V = in_vptr[xx]; \
|
|
const ctype cyY = FFABS(cy - Y); \
|
|
const ctype cuU = FFABS(cu - U); \
|
|
const ctype cvV = FFABS(cv - V); \
|
|
\
|
|
if (extra && fun(cyY, cuU, cvV) < thres && \
|
|
cuU < thres_u && cvV < thres_v && \
|
|
cyY < thres_y) { \
|
|
su += U; \
|
|
sv += V; \
|
|
cn++; \
|
|
} else if (!extra && fun(cyY, cuU, cvV) < thres) { \
|
|
su += U; \
|
|
sv += V; \
|
|
cn++; \
|
|
} \
|
|
} \
|
|
} \
|
|
\
|
|
out_uptr[x] = (su + (cn >> 1)) / cn; \
|
|
out_vptr[x] = (sv + (cn >> 1)) / cn; \
|
|
} \
|
|
\
|
|
out_uptr += out_ulinesize / sizeof(type); \
|
|
out_vptr += out_vlinesize / sizeof(type); \
|
|
} \
|
|
\
|
|
return 0; \
|
|
}
|
|
|
|
FILTER_FUNC(manhattan, 8, int, uint8_t, MANHATTAN_DISTANCE, 0)
|
|
FILTER_FUNC(manhattan, 16, int, uint16_t, MANHATTAN_DISTANCE, 0)
|
|
|
|
FILTER_FUNC(euclidean, 8, int, uint8_t, EUCLIDEAN_DISTANCE, 0)
|
|
FILTER_FUNC(euclidean, 16, int64_t, uint16_t, EUCLIDEAN_DISTANCE, 0)
|
|
|
|
FILTER_FUNC(manhattan_e, 8, int, uint8_t, MANHATTAN_DISTANCE, 1)
|
|
FILTER_FUNC(manhattan_e, 16, int, uint16_t, MANHATTAN_DISTANCE, 1)
|
|
|
|
FILTER_FUNC(euclidean_e, 8, int, uint8_t, EUCLIDEAN_DISTANCE, 1)
|
|
FILTER_FUNC(euclidean_e, 16, int64_t, uint16_t, EUCLIDEAN_DISTANCE, 1)
|
|
|
|
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
|
|
{
|
|
AVFilterContext *ctx = inlink->dst;
|
|
AVFilterLink *outlink = ctx->outputs[0];
|
|
ChromaNRContext *s = ctx->priv;
|
|
AVFrame *out;
|
|
|
|
switch (s->distance) {
|
|
case 0:
|
|
s->filter_slice = s->depth <= 8 ? manhattan_slice8 : manhattan_slice16;
|
|
break;
|
|
case 1:
|
|
s->filter_slice = s->depth <= 8 ? euclidean_slice8 : euclidean_slice16;
|
|
break;
|
|
}
|
|
|
|
s->thres = s->threshold * (1 << (s->depth - 8));
|
|
s->thres_y = s->threshold_y * (1 << (s->depth - 8));
|
|
s->thres_u = s->threshold_u * (1 << (s->depth - 8));
|
|
s->thres_v = s->threshold_v * (1 << (s->depth - 8));
|
|
|
|
if (s->threshold_y < 200.f || s->threshold_u < 200.f || s->threshold_v < 200.f) {
|
|
switch (s->distance) {
|
|
case 0:
|
|
s->filter_slice = s->depth <= 8 ? manhattan_e_slice8 : manhattan_e_slice16;
|
|
break;
|
|
case 1:
|
|
s->filter_slice = s->depth <= 8 ? euclidean_e_slice8 : euclidean_e_slice16;
|
|
break;
|
|
}
|
|
}
|
|
|
|
out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
|
|
if (!out) {
|
|
av_frame_free(&in);
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
|
|
av_frame_copy_props(out, in);
|
|
s->out = out;
|
|
ff_filter_execute(ctx, s->filter_slice, in, NULL,
|
|
FFMIN3(s->planeheight[1],
|
|
s->planeheight[2],
|
|
ff_filter_get_nb_threads(ctx)));
|
|
|
|
av_frame_free(&in);
|
|
return ff_filter_frame(outlink, out);
|
|
}
|
|
|
|
static int config_input(AVFilterLink *inlink)
|
|
{
|
|
AVFilterContext *ctx = inlink->dst;
|
|
ChromaNRContext *s = ctx->priv;
|
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
|
|
int ret;
|
|
|
|
s->nb_planes = desc->nb_components;
|
|
s->depth = desc->comp[0].depth;
|
|
s->chroma_w = 1 << desc->log2_chroma_w;
|
|
s->chroma_h = 1 << desc->log2_chroma_h;
|
|
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;
|
|
|
|
if ((ret = av_image_fill_linesizes(s->linesize, inlink->format, inlink->w)) < 0)
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define OFFSET(x) offsetof(ChromaNRContext, x)
|
|
#define VF AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_RUNTIME_PARAM
|
|
|
|
static const AVOption chromanr_options[] = {
|
|
{ "thres", "set y+u+v threshold", OFFSET(threshold), AV_OPT_TYPE_FLOAT, {.dbl=30}, 1, 200, VF },
|
|
{ "sizew", "set horizontal patch size", OFFSET(sizew), AV_OPT_TYPE_INT, {.i64=5}, 1, 100, VF },
|
|
{ "sizeh", "set vertical patch size", OFFSET(sizeh), AV_OPT_TYPE_INT, {.i64=5}, 1, 100, VF },
|
|
{ "stepw", "set horizontal step", OFFSET(stepw), AV_OPT_TYPE_INT, {.i64=1}, 1, 50, VF },
|
|
{ "steph", "set vertical step", OFFSET(steph), AV_OPT_TYPE_INT, {.i64=1}, 1, 50, VF },
|
|
{ "threy", "set y threshold", OFFSET(threshold_y), AV_OPT_TYPE_FLOAT, {.dbl=200},1, 200, VF },
|
|
{ "threu", "set u threshold", OFFSET(threshold_u), AV_OPT_TYPE_FLOAT, {.dbl=200},1, 200, VF },
|
|
{ "threv", "set v threshold", OFFSET(threshold_v), AV_OPT_TYPE_FLOAT, {.dbl=200},1, 200, VF },
|
|
{ "distance", "set distance type", OFFSET(distance), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, VF, "distance" },
|
|
{ "manhattan", "", 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, VF, "distance" },
|
|
{ "euclidean", "", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, VF, "distance" },
|
|
{ NULL }
|
|
};
|
|
|
|
static const AVFilterPad inputs[] = {
|
|
{
|
|
.name = "default",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.filter_frame = filter_frame,
|
|
.config_props = config_input,
|
|
},
|
|
};
|
|
|
|
AVFILTER_DEFINE_CLASS(chromanr);
|
|
|
|
const AVFilter ff_vf_chromanr = {
|
|
.name = "chromanr",
|
|
.description = NULL_IF_CONFIG_SMALL("Reduce chrominance noise."),
|
|
.priv_size = sizeof(ChromaNRContext),
|
|
.priv_class = &chromanr_class,
|
|
FILTER_OUTPUTS(ff_video_default_filterpad),
|
|
FILTER_INPUTS(inputs),
|
|
FILTER_PIXFMTS_ARRAY(pix_fmts),
|
|
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
|
|
.process_command = ff_filter_process_command,
|
|
};
|