2015-07-10 16:16:53 +00:00
|
|
|
/*
|
|
|
|
* Copyright (c) 2015 Niklas Haas
|
|
|
|
* Copyright (c) 2015 Paul B Mahol
|
|
|
|
*
|
|
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
|
|
* in the Software without restriction, including without limitation the rights
|
|
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
|
|
* furnished to do so, subject to the following conditions:
|
|
|
|
*
|
|
|
|
* The above copyright notice and this permission notice shall be included in
|
|
|
|
* all copies or substantial portions of the Software.
|
|
|
|
*
|
|
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
|
|
* SOFTWARE.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include "libavutil/opt.h"
|
|
|
|
#include "libavutil/pixdesc.h"
|
|
|
|
#include "avfilter.h"
|
|
|
|
#include "internal.h"
|
|
|
|
#include "video.h"
|
|
|
|
|
|
|
|
typedef struct DebandContext {
|
|
|
|
const AVClass *class;
|
|
|
|
|
2016-12-22 20:45:24 +00:00
|
|
|
int coupling;
|
2015-07-10 16:16:53 +00:00
|
|
|
float threshold[4];
|
|
|
|
int range;
|
|
|
|
int blur;
|
|
|
|
float direction;
|
|
|
|
|
|
|
|
int nb_components;
|
|
|
|
int planewidth[4];
|
|
|
|
int planeheight[4];
|
2016-12-22 20:45:24 +00:00
|
|
|
int shift[2];
|
2015-07-10 16:16:53 +00:00
|
|
|
int thr[4];
|
|
|
|
|
|
|
|
int *x_pos;
|
|
|
|
int *y_pos;
|
|
|
|
|
|
|
|
int (*deband)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
|
|
|
|
} DebandContext;
|
|
|
|
|
|
|
|
#define OFFSET(x) offsetof(DebandContext, x)
|
2021-02-08 15:08:25 +00:00
|
|
|
#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
|
2015-07-10 16:16:53 +00:00
|
|
|
|
|
|
|
static const AVOption deband_options[] = {
|
|
|
|
{ "1thr", "set 1st plane threshold", OFFSET(threshold[0]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0.00003, 0.5, FLAGS },
|
|
|
|
{ "2thr", "set 2nd plane threshold", OFFSET(threshold[1]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0.00003, 0.5, FLAGS },
|
|
|
|
{ "3thr", "set 3rd plane threshold", OFFSET(threshold[2]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0.00003, 0.5, FLAGS },
|
|
|
|
{ "4thr", "set 4th plane threshold", OFFSET(threshold[3]), AV_OPT_TYPE_FLOAT, {.dbl=0.02}, 0.00003, 0.5, FLAGS },
|
|
|
|
{ "range", "set range", OFFSET(range), AV_OPT_TYPE_INT, {.i64=16}, INT_MIN, INT_MAX, FLAGS },
|
|
|
|
{ "r", "set range", OFFSET(range), AV_OPT_TYPE_INT, {.i64=16}, INT_MIN, INT_MAX, FLAGS },
|
|
|
|
{ "direction", "set direction", OFFSET(direction), AV_OPT_TYPE_FLOAT, {.dbl=2*M_PI},-2*M_PI, 2*M_PI, FLAGS },
|
|
|
|
{ "d", "set direction", OFFSET(direction), AV_OPT_TYPE_FLOAT, {.dbl=2*M_PI},-2*M_PI, 2*M_PI, FLAGS },
|
2015-09-06 17:30:07 +00:00
|
|
|
{ "blur", "set blur", OFFSET(blur), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, FLAGS },
|
2016-12-22 20:45:24 +00:00
|
|
|
{ "b", "set blur", OFFSET(blur), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, FLAGS },
|
|
|
|
{ "coupling", "set plane coupling", OFFSET(coupling), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS },
|
|
|
|
{ "c", "set plane coupling", OFFSET(coupling), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS },
|
2015-07-10 16:16:53 +00:00
|
|
|
{ NULL }
|
|
|
|
};
|
|
|
|
|
|
|
|
AVFILTER_DEFINE_CLASS(deband);
|
|
|
|
|
|
|
|
static int query_formats(AVFilterContext *ctx)
|
|
|
|
{
|
2016-12-22 20:45:24 +00:00
|
|
|
DebandContext *s = ctx->priv;
|
|
|
|
|
2015-07-10 16:16:53 +00:00
|
|
|
static const enum AVPixelFormat pix_fmts[] = {
|
2019-10-23 07:53:23 +00:00
|
|
|
AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10,
|
|
|
|
AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16,
|
2015-07-10 16:16:53 +00:00
|
|
|
AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV420P,
|
|
|
|
AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV440P,
|
|
|
|
AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P,
|
|
|
|
AV_PIX_FMT_YUVJ411P, AV_PIX_FMT_YUVJ440P,
|
|
|
|
AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P,
|
|
|
|
AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9,
|
|
|
|
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_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12,
|
|
|
|
AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14,
|
|
|
|
AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP,
|
|
|
|
AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
|
|
|
|
AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14,
|
|
|
|
AV_PIX_FMT_GBRP16, AV_PIX_FMT_GBRAP16,
|
|
|
|
AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,
|
|
|
|
AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16,
|
|
|
|
AV_PIX_FMT_NONE
|
|
|
|
};
|
2016-12-22 20:45:24 +00:00
|
|
|
|
|
|
|
static const enum AVPixelFormat cpix_fmts[] = {
|
|
|
|
AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVJ444P,
|
|
|
|
AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV444P9,
|
|
|
|
AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10,
|
|
|
|
AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV444P14,
|
|
|
|
AV_PIX_FMT_YUV444P16, AV_PIX_FMT_YUVA444P16,
|
|
|
|
AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP,
|
|
|
|
AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
|
|
|
|
AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14,
|
|
|
|
AV_PIX_FMT_GBRP16, AV_PIX_FMT_GBRAP16,
|
|
|
|
AV_PIX_FMT_NONE
|
|
|
|
};
|
|
|
|
|
2021-08-09 23:25:31 +00:00
|
|
|
return ff_set_common_formats_from_list(ctx, s->coupling ? cpix_fmts : pix_fmts);
|
2015-07-10 16:16:53 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static float frand(int x, int y)
|
|
|
|
{
|
2021-02-08 14:58:42 +00:00
|
|
|
const float r = sinf(x * 12.9898f + y * 78.233f) * 43758.545f;
|
2015-07-10 16:16:53 +00:00
|
|
|
|
|
|
|
return r - floorf(r);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int inline get_avg(int ref0, int ref1, int ref2, int ref3)
|
|
|
|
{
|
|
|
|
return (ref0 + ref1 + ref2 + ref3) / 4;
|
|
|
|
}
|
|
|
|
|
|
|
|
typedef struct ThreadData {
|
|
|
|
AVFrame *in, *out;
|
|
|
|
} ThreadData;
|
|
|
|
|
|
|
|
static int deband_8_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
|
|
|
|
{
|
|
|
|
DebandContext *s = ctx->priv;
|
|
|
|
ThreadData *td = arg;
|
|
|
|
AVFrame *in = td->in;
|
|
|
|
AVFrame *out = td->out;
|
|
|
|
int x, y, p;
|
|
|
|
|
|
|
|
for (p = 0; p < s->nb_components; p++) {
|
|
|
|
const uint8_t *src_ptr = (const uint8_t *)in->data[p];
|
|
|
|
uint8_t *dst_ptr = (uint8_t *)out->data[p];
|
|
|
|
const int dst_linesize = out->linesize[p];
|
|
|
|
const int src_linesize = in->linesize[p];
|
|
|
|
const int thr = s->thr[p];
|
|
|
|
const int start = (s->planeheight[p] * jobnr ) / nb_jobs;
|
|
|
|
const int end = (s->planeheight[p] * (jobnr+1)) / nb_jobs;
|
|
|
|
const int w = s->planewidth[p] - 1;
|
|
|
|
const int h = s->planeheight[p] - 1;
|
|
|
|
|
|
|
|
for (y = start; y < end; y++) {
|
2016-12-08 20:21:15 +00:00
|
|
|
const int pos = y * s->planewidth[0];
|
2015-07-10 16:16:53 +00:00
|
|
|
|
|
|
|
for (x = 0; x < s->planewidth[p]; x++) {
|
|
|
|
const int x_pos = s->x_pos[pos + x];
|
|
|
|
const int y_pos = s->y_pos[pos + x];
|
|
|
|
const int ref0 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
|
|
|
|
const int ref1 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
|
|
|
|
const int ref2 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
|
|
|
|
const int ref3 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
|
|
|
|
const int src0 = src_ptr[y * src_linesize + x];
|
|
|
|
|
|
|
|
if (s->blur) {
|
|
|
|
const int avg = get_avg(ref0, ref1, ref2, ref3);
|
|
|
|
const int diff = FFABS(src0 - avg);
|
|
|
|
|
|
|
|
dst_ptr[y * dst_linesize + x] = diff < thr ? avg : src0;
|
|
|
|
} else {
|
|
|
|
dst_ptr[y * dst_linesize + x] = (FFABS(src0 - ref0) < thr) &&
|
|
|
|
(FFABS(src0 - ref1) < thr) &&
|
|
|
|
(FFABS(src0 - ref2) < thr) &&
|
|
|
|
(FFABS(src0 - ref3) < thr) ? get_avg(ref0, ref1, ref2, ref3) : src0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2016-12-22 20:45:24 +00:00
|
|
|
static int deband_8_coupling_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
|
|
|
|
{
|
|
|
|
DebandContext *s = ctx->priv;
|
|
|
|
ThreadData *td = arg;
|
|
|
|
AVFrame *in = td->in;
|
|
|
|
AVFrame *out = td->out;
|
|
|
|
const int start = (s->planeheight[0] * jobnr ) / nb_jobs;
|
|
|
|
const int end = (s->planeheight[0] * (jobnr+1)) / nb_jobs;
|
|
|
|
int x, y, p;
|
|
|
|
|
|
|
|
for (y = start; y < end; y++) {
|
|
|
|
const int pos = y * s->planewidth[0];
|
|
|
|
|
2016-12-23 17:53:20 +00:00
|
|
|
for (x = 0; x < s->planewidth[0]; x++) {
|
2016-12-22 20:45:24 +00:00
|
|
|
const int x_pos = s->x_pos[pos + x];
|
|
|
|
const int y_pos = s->y_pos[pos + x];
|
|
|
|
int avg[4], cmp[4] = { 0 }, src[4];
|
|
|
|
|
|
|
|
for (p = 0; p < s->nb_components; p++) {
|
|
|
|
const uint8_t *src_ptr = (const uint8_t *)in->data[p];
|
|
|
|
const int src_linesize = in->linesize[p];
|
|
|
|
const int thr = s->thr[p];
|
|
|
|
const int w = s->planewidth[p] - 1;
|
|
|
|
const int h = s->planeheight[p] - 1;
|
|
|
|
const int ref0 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
|
|
|
|
const int ref1 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
|
|
|
|
const int ref2 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
|
|
|
|
const int ref3 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
|
|
|
|
const int src0 = src_ptr[y * src_linesize + x];
|
|
|
|
|
|
|
|
src[p] = src0;
|
|
|
|
avg[p] = get_avg(ref0, ref1, ref2, ref3);
|
|
|
|
|
|
|
|
if (s->blur) {
|
|
|
|
cmp[p] = FFABS(src0 - avg[p]) < thr;
|
|
|
|
} else {
|
|
|
|
cmp[p] = (FFABS(src0 - ref0) < thr) &&
|
|
|
|
(FFABS(src0 - ref1) < thr) &&
|
|
|
|
(FFABS(src0 - ref2) < thr) &&
|
|
|
|
(FFABS(src0 - ref3) < thr);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
for (p = 0; p < s->nb_components; p++)
|
|
|
|
if (!cmp[p])
|
|
|
|
break;
|
|
|
|
if (p == s->nb_components) {
|
|
|
|
for (p = 0; p < s->nb_components; p++) {
|
|
|
|
const int dst_linesize = out->linesize[p];
|
|
|
|
|
|
|
|
out->data[p][y * dst_linesize + x] = avg[p];
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
for (p = 0; p < s->nb_components; p++) {
|
|
|
|
const int dst_linesize = out->linesize[p];
|
|
|
|
|
|
|
|
out->data[p][y * dst_linesize + x] = src[p];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int deband_16_coupling_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
|
|
|
|
{
|
|
|
|
DebandContext *s = ctx->priv;
|
|
|
|
ThreadData *td = arg;
|
|
|
|
AVFrame *in = td->in;
|
|
|
|
AVFrame *out = td->out;
|
|
|
|
const int start = (s->planeheight[0] * jobnr ) / nb_jobs;
|
|
|
|
const int end = (s->planeheight[0] * (jobnr+1)) / nb_jobs;
|
|
|
|
int x, y, p, z;
|
|
|
|
|
|
|
|
for (y = start; y < end; y++) {
|
|
|
|
const int pos = y * s->planewidth[0];
|
|
|
|
|
2016-12-23 17:53:20 +00:00
|
|
|
for (x = 0; x < s->planewidth[0]; x++) {
|
2016-12-22 20:45:24 +00:00
|
|
|
const int x_pos = s->x_pos[pos + x];
|
|
|
|
const int y_pos = s->y_pos[pos + x];
|
|
|
|
int avg[4], cmp[4] = { 0 }, src[4];
|
|
|
|
|
|
|
|
for (p = 0; p < s->nb_components; p++) {
|
|
|
|
const uint16_t *src_ptr = (const uint16_t *)in->data[p];
|
|
|
|
const int src_linesize = in->linesize[p] / 2;
|
|
|
|
const int thr = s->thr[p];
|
|
|
|
const int w = s->planewidth[p] - 1;
|
|
|
|
const int h = s->planeheight[p] - 1;
|
|
|
|
const int ref0 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
|
|
|
|
const int ref1 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
|
|
|
|
const int ref2 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
|
|
|
|
const int ref3 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
|
|
|
|
const int src0 = src_ptr[y * src_linesize + x];
|
|
|
|
|
|
|
|
src[p] = src0;
|
|
|
|
avg[p] = get_avg(ref0, ref1, ref2, ref3);
|
|
|
|
|
|
|
|
if (s->blur) {
|
|
|
|
cmp[p] = FFABS(src0 - avg[p]) < thr;
|
|
|
|
} else {
|
|
|
|
cmp[p] = (FFABS(src0 - ref0) < thr) &&
|
|
|
|
(FFABS(src0 - ref1) < thr) &&
|
|
|
|
(FFABS(src0 - ref2) < thr) &&
|
|
|
|
(FFABS(src0 - ref3) < thr);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
for (z = 0; z < s->nb_components; z++)
|
|
|
|
if (!cmp[z])
|
|
|
|
break;
|
|
|
|
if (z == s->nb_components) {
|
|
|
|
for (p = 0; p < s->nb_components; p++) {
|
|
|
|
const int dst_linesize = out->linesize[p] / 2;
|
|
|
|
uint16_t *dst = (uint16_t *)out->data[p] + y * dst_linesize + x;
|
|
|
|
|
|
|
|
dst[0] = avg[p];
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
for (p = 0; p < s->nb_components; p++) {
|
|
|
|
const int dst_linesize = out->linesize[p] / 2;
|
|
|
|
uint16_t *dst = (uint16_t *)out->data[p] + y * dst_linesize + x;
|
|
|
|
|
|
|
|
dst[0] = src[p];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2015-07-10 16:16:53 +00:00
|
|
|
static int deband_16_c(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
|
|
|
|
{
|
|
|
|
DebandContext *s = ctx->priv;
|
|
|
|
ThreadData *td = arg;
|
|
|
|
AVFrame *in = td->in;
|
|
|
|
AVFrame *out = td->out;
|
|
|
|
int x, y, p;
|
|
|
|
|
|
|
|
for (p = 0; p < s->nb_components; p++) {
|
|
|
|
const uint16_t *src_ptr = (const uint16_t *)in->data[p];
|
|
|
|
uint16_t *dst_ptr = (uint16_t *)out->data[p];
|
|
|
|
const int dst_linesize = out->linesize[p] / 2;
|
|
|
|
const int src_linesize = in->linesize[p] / 2;
|
|
|
|
const int thr = s->thr[p];
|
|
|
|
const int start = (s->planeheight[p] * jobnr ) / nb_jobs;
|
|
|
|
const int end = (s->planeheight[p] * (jobnr+1)) / nb_jobs;
|
|
|
|
const int w = s->planewidth[p] - 1;
|
|
|
|
const int h = s->planeheight[p] - 1;
|
|
|
|
|
|
|
|
for (y = start; y < end; y++) {
|
2016-12-08 20:21:15 +00:00
|
|
|
const int pos = y * s->planewidth[0];
|
2015-07-10 16:16:53 +00:00
|
|
|
|
|
|
|
for (x = 0; x < s->planewidth[p]; x++) {
|
|
|
|
const int x_pos = s->x_pos[pos + x];
|
|
|
|
const int y_pos = s->y_pos[pos + x];
|
|
|
|
const int ref0 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
|
|
|
|
const int ref1 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + x_pos, 0, w)];
|
|
|
|
const int ref2 = src_ptr[av_clip(y + -y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
|
|
|
|
const int ref3 = src_ptr[av_clip(y + y_pos, 0, h) * src_linesize + av_clip(x + -x_pos, 0, w)];
|
|
|
|
const int src0 = src_ptr[y * src_linesize + x];
|
|
|
|
|
|
|
|
if (s->blur) {
|
|
|
|
const int avg = get_avg(ref0, ref1, ref2, ref3);
|
|
|
|
const int diff = FFABS(src0 - avg);
|
|
|
|
|
|
|
|
dst_ptr[y * dst_linesize + x] = diff < thr ? avg : src0;
|
|
|
|
} else {
|
|
|
|
dst_ptr[y * dst_linesize + x] = (FFABS(src0 - ref0) < thr) &&
|
|
|
|
(FFABS(src0 - ref1) < thr) &&
|
|
|
|
(FFABS(src0 - ref2) < thr) &&
|
|
|
|
(FFABS(src0 - ref3) < thr) ? get_avg(ref0, ref1, ref2, ref3) : src0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int config_input(AVFilterLink *inlink)
|
|
|
|
{
|
|
|
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
|
|
|
|
AVFilterContext *ctx = inlink->dst;
|
|
|
|
DebandContext *s = ctx->priv;
|
|
|
|
const float direction = s->direction;
|
|
|
|
const int range = s->range;
|
|
|
|
int x, y;
|
|
|
|
|
|
|
|
s->nb_components = desc->nb_components;
|
|
|
|
|
2016-01-27 15:19:38 +00:00
|
|
|
s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
|
2015-07-10 16:16:53 +00:00
|
|
|
s->planeheight[0] = s->planeheight[3] = inlink->h;
|
2016-01-27 15:19:38 +00:00
|
|
|
s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
|
2015-07-10 16:16:53 +00:00
|
|
|
s->planewidth[0] = s->planewidth[3] = inlink->w;
|
2016-12-22 20:45:24 +00:00
|
|
|
s->shift[0] = desc->log2_chroma_w;
|
|
|
|
s->shift[1] = desc->log2_chroma_h;
|
2015-07-10 16:16:53 +00:00
|
|
|
|
2016-12-22 20:45:24 +00:00
|
|
|
if (s->coupling)
|
|
|
|
s->deband = desc->comp[0].depth > 8 ? deband_16_coupling_c : deband_8_coupling_c;
|
|
|
|
else
|
|
|
|
s->deband = desc->comp[0].depth > 8 ? deband_16_c : deband_8_c;
|
2015-07-10 16:16:53 +00:00
|
|
|
|
2015-09-08 15:10:48 +00:00
|
|
|
s->thr[0] = ((1 << desc->comp[0].depth) - 1) * s->threshold[0];
|
|
|
|
s->thr[1] = ((1 << desc->comp[1].depth) - 1) * s->threshold[1];
|
|
|
|
s->thr[2] = ((1 << desc->comp[2].depth) - 1) * s->threshold[2];
|
|
|
|
s->thr[3] = ((1 << desc->comp[3].depth) - 1) * s->threshold[3];
|
2015-07-10 16:16:53 +00:00
|
|
|
|
2021-02-08 15:08:25 +00:00
|
|
|
if (!s->x_pos)
|
|
|
|
s->x_pos = av_malloc(s->planewidth[0] * s->planeheight[0] * sizeof(*s->x_pos));
|
|
|
|
if (!s->y_pos)
|
|
|
|
s->y_pos = av_malloc(s->planewidth[0] * s->planeheight[0] * sizeof(*s->y_pos));
|
2015-07-10 16:16:53 +00:00
|
|
|
if (!s->x_pos || !s->y_pos)
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
|
|
|
|
for (y = 0; y < s->planeheight[0]; y++) {
|
|
|
|
for (x = 0; x < s->planewidth[0]; x++) {
|
|
|
|
const float r = frand(x, y);
|
|
|
|
const float dir = direction < 0 ? -direction : r * direction;
|
|
|
|
const int dist = range < 0 ? -range : r * range;
|
|
|
|
|
2016-12-08 20:21:15 +00:00
|
|
|
s->x_pos[y * s->planewidth[0] + x] = cosf(dir) * dist;
|
|
|
|
s->y_pos[y * s->planewidth[0] + x] = sinf(dir) * dist;
|
2015-07-10 16:16:53 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
|
|
|
|
{
|
|
|
|
AVFilterContext *ctx = inlink->dst;
|
|
|
|
AVFilterLink *outlink = ctx->outputs[0];
|
|
|
|
DebandContext *s = ctx->priv;
|
|
|
|
AVFrame *out;
|
|
|
|
ThreadData td;
|
|
|
|
|
|
|
|
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);
|
|
|
|
|
|
|
|
td.in = in; td.out = out;
|
2021-08-15 19:33:25 +00:00
|
|
|
ff_filter_execute(ctx, s->deband, &td, NULL,
|
|
|
|
FFMIN3(s->planeheight[1], s->planeheight[2],
|
|
|
|
ff_filter_get_nb_threads(ctx)));
|
2015-07-10 16:16:53 +00:00
|
|
|
|
|
|
|
av_frame_free(&in);
|
|
|
|
return ff_filter_frame(outlink, out);
|
|
|
|
}
|
|
|
|
|
2021-02-08 15:08:25 +00:00
|
|
|
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
|
|
|
|
char *res, int res_len, int flags)
|
|
|
|
{
|
|
|
|
int ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
|
|
|
|
|
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
return config_input(ctx->inputs[0]);
|
|
|
|
}
|
|
|
|
|
2015-07-10 16:16:53 +00:00
|
|
|
static av_cold void uninit(AVFilterContext *ctx)
|
|
|
|
{
|
|
|
|
DebandContext *s = ctx->priv;
|
|
|
|
|
|
|
|
av_freep(&s->x_pos);
|
|
|
|
av_freep(&s->y_pos);
|
|
|
|
}
|
|
|
|
|
|
|
|
static const AVFilterPad avfilter_vf_deband_inputs[] = {
|
|
|
|
{
|
|
|
|
.name = "default",
|
|
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
|
|
.config_props = config_input,
|
|
|
|
.filter_frame = filter_frame,
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
|
|
|
static const AVFilterPad avfilter_vf_deband_outputs[] = {
|
|
|
|
{
|
|
|
|
.name = "default",
|
|
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
2021-04-19 16:33:56 +00:00
|
|
|
const AVFilter ff_vf_deband = {
|
2015-07-10 16:16:53 +00:00
|
|
|
.name = "deband",
|
|
|
|
.description = NULL_IF_CONFIG_SMALL("Debands video."),
|
|
|
|
.priv_size = sizeof(DebandContext),
|
|
|
|
.priv_class = &deband_class,
|
|
|
|
.uninit = uninit,
|
|
|
|
.query_formats = query_formats,
|
2021-08-12 11:05:31 +00:00
|
|
|
FILTER_INPUTS(avfilter_vf_deband_inputs),
|
|
|
|
FILTER_OUTPUTS(avfilter_vf_deband_outputs),
|
2015-08-02 12:00:34 +00:00
|
|
|
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
|
2021-02-08 15:08:25 +00:00
|
|
|
.process_command = process_command,
|
2015-07-10 16:16:53 +00:00
|
|
|
};
|