mirror of
https://git.videolan.org/git/ffmpeg.git
synced 2024-08-25 19:01:51 +02:00
![Clément Bœsch](/assets/img/avatar_default.png)
* commit '41ed7ab45fc693f7d7fc35664c0233f4c32d69bb': cosmetics: Fix spelling mistakes Merged-by: Clément Bœsch <u@pkh.me>
375 lines
12 KiB
C
375 lines
12 KiB
C
/*
|
|
* Copyright (c) 2003 Daniel Moreno <comac AT comac DOT darktech DOT org>
|
|
* Copyright (c) 2010 Baptiste Coudurier
|
|
* Copyright (c) 2012 Loren Merritt
|
|
*
|
|
* This file is part of FFmpeg, ported from MPlayer.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU 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
|
|
* high quality 3d video denoiser, ported from MPlayer
|
|
* libmpcodecs/vf_hqdn3d.c.
|
|
*/
|
|
|
|
#include <float.h>
|
|
|
|
#include "config.h"
|
|
#include "libavutil/attributes.h"
|
|
#include "libavutil/common.h"
|
|
#include "libavutil/pixdesc.h"
|
|
#include "libavutil/intreadwrite.h"
|
|
#include "libavutil/opt.h"
|
|
|
|
#include "avfilter.h"
|
|
#include "formats.h"
|
|
#include "internal.h"
|
|
#include "video.h"
|
|
#include "vf_hqdn3d.h"
|
|
|
|
#define LUT_BITS (depth==16 ? 8 : 4)
|
|
#define LOAD(x) (((depth == 8 ? src[x] : AV_RN16A(src + (x) * 2)) << (16 - depth))\
|
|
+ (((1 << (16 - depth)) - 1) >> 1))
|
|
#define STORE(x,val) (depth == 8 ? dst[x] = (val) >> (16 - depth) : \
|
|
AV_WN16A(dst + (x) * 2, (val) >> (16 - depth)))
|
|
|
|
av_always_inline
|
|
static uint32_t lowpass(int prev, int cur, int16_t *coef, int depth)
|
|
{
|
|
int d = (prev - cur) >> (8 - LUT_BITS);
|
|
return cur + coef[d];
|
|
}
|
|
|
|
av_always_inline
|
|
static void denoise_temporal(uint8_t *src, uint8_t *dst,
|
|
uint16_t *frame_ant,
|
|
int w, int h, int sstride, int dstride,
|
|
int16_t *temporal, int depth)
|
|
{
|
|
long x, y;
|
|
uint32_t tmp;
|
|
|
|
temporal += 256 << LUT_BITS;
|
|
|
|
for (y = 0; y < h; y++) {
|
|
for (x = 0; x < w; x++) {
|
|
frame_ant[x] = tmp = lowpass(frame_ant[x], LOAD(x), temporal, depth);
|
|
STORE(x, tmp);
|
|
}
|
|
src += sstride;
|
|
dst += dstride;
|
|
frame_ant += w;
|
|
}
|
|
}
|
|
|
|
av_always_inline
|
|
static void denoise_spatial(HQDN3DContext *s,
|
|
uint8_t *src, uint8_t *dst,
|
|
uint16_t *line_ant, uint16_t *frame_ant,
|
|
int w, int h, int sstride, int dstride,
|
|
int16_t *spatial, int16_t *temporal, int depth)
|
|
{
|
|
long x, y;
|
|
uint32_t pixel_ant;
|
|
uint32_t tmp;
|
|
|
|
spatial += 256 << LUT_BITS;
|
|
temporal += 256 << LUT_BITS;
|
|
|
|
/* First line has no top neighbor. Only left one for each tmp and
|
|
* last frame */
|
|
pixel_ant = LOAD(0);
|
|
for (x = 0; x < w; x++) {
|
|
line_ant[x] = tmp = pixel_ant = lowpass(pixel_ant, LOAD(x), spatial, depth);
|
|
frame_ant[x] = tmp = lowpass(frame_ant[x], tmp, temporal, depth);
|
|
STORE(x, tmp);
|
|
}
|
|
|
|
for (y = 1; y < h; y++) {
|
|
src += sstride;
|
|
dst += dstride;
|
|
frame_ant += w;
|
|
if (s->denoise_row[depth]) {
|
|
s->denoise_row[depth](src, dst, line_ant, frame_ant, w, spatial, temporal);
|
|
continue;
|
|
}
|
|
pixel_ant = LOAD(0);
|
|
for (x = 0; x < w-1; x++) {
|
|
line_ant[x] = tmp = lowpass(line_ant[x], pixel_ant, spatial, depth);
|
|
pixel_ant = lowpass(pixel_ant, LOAD(x+1), spatial, depth);
|
|
frame_ant[x] = tmp = lowpass(frame_ant[x], tmp, temporal, depth);
|
|
STORE(x, tmp);
|
|
}
|
|
line_ant[x] = tmp = lowpass(line_ant[x], pixel_ant, spatial, depth);
|
|
frame_ant[x] = tmp = lowpass(frame_ant[x], tmp, temporal, depth);
|
|
STORE(x, tmp);
|
|
}
|
|
}
|
|
|
|
av_always_inline
|
|
static int denoise_depth(HQDN3DContext *s,
|
|
uint8_t *src, uint8_t *dst,
|
|
uint16_t *line_ant, uint16_t **frame_ant_ptr,
|
|
int w, int h, int sstride, int dstride,
|
|
int16_t *spatial, int16_t *temporal, int depth)
|
|
{
|
|
// FIXME: For 16-bit depth, frame_ant could be a pointer to the previous
|
|
// filtered frame rather than a separate buffer.
|
|
long x, y;
|
|
uint16_t *frame_ant = *frame_ant_ptr;
|
|
if (!frame_ant) {
|
|
uint8_t *frame_src = src;
|
|
*frame_ant_ptr = frame_ant = av_malloc_array(w, h*sizeof(uint16_t));
|
|
if (!frame_ant)
|
|
return AVERROR(ENOMEM);
|
|
for (y = 0; y < h; y++, src += sstride, frame_ant += w)
|
|
for (x = 0; x < w; x++)
|
|
frame_ant[x] = LOAD(x);
|
|
src = frame_src;
|
|
frame_ant = *frame_ant_ptr;
|
|
}
|
|
|
|
if (spatial[0])
|
|
denoise_spatial(s, src, dst, line_ant, frame_ant,
|
|
w, h, sstride, dstride, spatial, temporal, depth);
|
|
else
|
|
denoise_temporal(src, dst, frame_ant,
|
|
w, h, sstride, dstride, temporal, depth);
|
|
emms_c();
|
|
return 0;
|
|
}
|
|
|
|
#define denoise(...) \
|
|
do { \
|
|
int ret = AVERROR_BUG; \
|
|
switch (s->depth) { \
|
|
case 8: ret = denoise_depth(__VA_ARGS__, 8); break; \
|
|
case 9: ret = denoise_depth(__VA_ARGS__, 9); break; \
|
|
case 10: ret = denoise_depth(__VA_ARGS__, 10); break; \
|
|
case 16: ret = denoise_depth(__VA_ARGS__, 16); break; \
|
|
} \
|
|
if (ret < 0) { \
|
|
av_frame_free(&out); \
|
|
if (!direct) \
|
|
av_frame_free(&in); \
|
|
return ret; \
|
|
} \
|
|
} while (0)
|
|
|
|
static int16_t *precalc_coefs(double dist25, int depth)
|
|
{
|
|
int i;
|
|
double gamma, simil, C;
|
|
int16_t *ct = av_malloc((512<<LUT_BITS)*sizeof(int16_t));
|
|
if (!ct)
|
|
return NULL;
|
|
|
|
gamma = log(0.25) / log(1.0 - FFMIN(dist25,252.0)/255.0 - 0.00001);
|
|
|
|
for (i = -256<<LUT_BITS; i < 256<<LUT_BITS; i++) {
|
|
double f = ((i<<(9-LUT_BITS)) + (1<<(8-LUT_BITS)) - 1) / 512.0; // midpoint of the bin
|
|
simil = FFMAX(0, 1.0 - fabs(f) / 255.0);
|
|
C = pow(simil, gamma) * 256.0 * f;
|
|
ct[(256<<LUT_BITS)+i] = lrint(C);
|
|
}
|
|
|
|
ct[0] = !!dist25;
|
|
return ct;
|
|
}
|
|
|
|
#define PARAM1_DEFAULT 4.0
|
|
#define PARAM2_DEFAULT 3.0
|
|
#define PARAM3_DEFAULT 6.0
|
|
|
|
static av_cold int init(AVFilterContext *ctx)
|
|
{
|
|
HQDN3DContext *s = ctx->priv;
|
|
|
|
if (!s->strength[LUMA_SPATIAL])
|
|
s->strength[LUMA_SPATIAL] = PARAM1_DEFAULT;
|
|
if (!s->strength[CHROMA_SPATIAL])
|
|
s->strength[CHROMA_SPATIAL] = PARAM2_DEFAULT * s->strength[LUMA_SPATIAL] / PARAM1_DEFAULT;
|
|
if (!s->strength[LUMA_TMP])
|
|
s->strength[LUMA_TMP] = PARAM3_DEFAULT * s->strength[LUMA_SPATIAL] / PARAM1_DEFAULT;
|
|
if (!s->strength[CHROMA_TMP])
|
|
s->strength[CHROMA_TMP] = s->strength[LUMA_TMP] * s->strength[CHROMA_SPATIAL] / s->strength[LUMA_SPATIAL];
|
|
|
|
av_log(ctx, AV_LOG_VERBOSE, "ls:%f cs:%f lt:%f ct:%f\n",
|
|
s->strength[LUMA_SPATIAL], s->strength[CHROMA_SPATIAL],
|
|
s->strength[LUMA_TMP], s->strength[CHROMA_TMP]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static av_cold void uninit(AVFilterContext *ctx)
|
|
{
|
|
HQDN3DContext *s = ctx->priv;
|
|
|
|
av_freep(&s->coefs[0]);
|
|
av_freep(&s->coefs[1]);
|
|
av_freep(&s->coefs[2]);
|
|
av_freep(&s->coefs[3]);
|
|
av_freep(&s->line);
|
|
av_freep(&s->frame_prev[0]);
|
|
av_freep(&s->frame_prev[1]);
|
|
av_freep(&s->frame_prev[2]);
|
|
}
|
|
|
|
static int query_formats(AVFilterContext *ctx)
|
|
{
|
|
static const enum AVPixelFormat pix_fmts[] = {
|
|
AV_PIX_FMT_YUV420P,
|
|
AV_PIX_FMT_YUV422P,
|
|
AV_PIX_FMT_YUV444P,
|
|
AV_PIX_FMT_YUV410P,
|
|
AV_PIX_FMT_YUV411P,
|
|
AV_PIX_FMT_YUV440P,
|
|
AV_PIX_FMT_YUVJ420P,
|
|
AV_PIX_FMT_YUVJ422P,
|
|
AV_PIX_FMT_YUVJ444P,
|
|
AV_PIX_FMT_YUVJ440P,
|
|
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_NONE
|
|
};
|
|
AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
|
|
if (!fmts_list)
|
|
return AVERROR(ENOMEM);
|
|
return ff_set_common_formats(ctx, fmts_list);
|
|
}
|
|
|
|
static int config_input(AVFilterLink *inlink)
|
|
{
|
|
HQDN3DContext *s = inlink->dst->priv;
|
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
|
|
int i;
|
|
|
|
uninit(inlink->dst);
|
|
|
|
s->hsub = desc->log2_chroma_w;
|
|
s->vsub = desc->log2_chroma_h;
|
|
s->depth = desc->comp[0].depth;
|
|
|
|
s->line = av_malloc_array(inlink->w, sizeof(*s->line));
|
|
if (!s->line)
|
|
return AVERROR(ENOMEM);
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
s->coefs[i] = precalc_coefs(s->strength[i], s->depth);
|
|
if (!s->coefs[i])
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
|
|
if (ARCH_X86)
|
|
ff_hqdn3d_init_x86(s);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
|
|
{
|
|
AVFilterContext *ctx = inlink->dst;
|
|
HQDN3DContext *s = ctx->priv;
|
|
AVFilterLink *outlink = ctx->outputs[0];
|
|
|
|
AVFrame *out;
|
|
int c, direct = av_frame_is_writable(in) && !ctx->is_disabled;
|
|
|
|
if (direct) {
|
|
out = in;
|
|
} else {
|
|
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);
|
|
}
|
|
|
|
for (c = 0; c < 3; c++) {
|
|
denoise(s, in->data[c], out->data[c],
|
|
s->line, &s->frame_prev[c],
|
|
AV_CEIL_RSHIFT(in->width, (!!c * s->hsub)),
|
|
AV_CEIL_RSHIFT(in->height, (!!c * s->vsub)),
|
|
in->linesize[c], out->linesize[c],
|
|
s->coefs[c ? CHROMA_SPATIAL : LUMA_SPATIAL],
|
|
s->coefs[c ? CHROMA_TMP : LUMA_TMP]);
|
|
}
|
|
|
|
if (ctx->is_disabled) {
|
|
av_frame_free(&out);
|
|
return ff_filter_frame(outlink, in);
|
|
}
|
|
|
|
if (!direct)
|
|
av_frame_free(&in);
|
|
|
|
return ff_filter_frame(outlink, out);
|
|
}
|
|
|
|
#define OFFSET(x) offsetof(HQDN3DContext, x)
|
|
#define FLAGS AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM
|
|
static const AVOption hqdn3d_options[] = {
|
|
{ "luma_spatial", "spatial luma strength", OFFSET(strength[LUMA_SPATIAL]), AV_OPT_TYPE_DOUBLE, { .dbl = 0.0 }, 0, DBL_MAX, FLAGS },
|
|
{ "chroma_spatial", "spatial chroma strength", OFFSET(strength[CHROMA_SPATIAL]), AV_OPT_TYPE_DOUBLE, { .dbl = 0.0 }, 0, DBL_MAX, FLAGS },
|
|
{ "luma_tmp", "temporal luma strength", OFFSET(strength[LUMA_TMP]), AV_OPT_TYPE_DOUBLE, { .dbl = 0.0 }, 0, DBL_MAX, FLAGS },
|
|
{ "chroma_tmp", "temporal chroma strength", OFFSET(strength[CHROMA_TMP]), AV_OPT_TYPE_DOUBLE, { .dbl = 0.0 }, 0, DBL_MAX, FLAGS },
|
|
{ NULL }
|
|
};
|
|
|
|
AVFILTER_DEFINE_CLASS(hqdn3d);
|
|
|
|
static const AVFilterPad avfilter_vf_hqdn3d_inputs[] = {
|
|
{
|
|
.name = "default",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.config_props = config_input,
|
|
.filter_frame = filter_frame,
|
|
},
|
|
{ NULL }
|
|
};
|
|
|
|
|
|
static const AVFilterPad avfilter_vf_hqdn3d_outputs[] = {
|
|
{
|
|
.name = "default",
|
|
.type = AVMEDIA_TYPE_VIDEO
|
|
},
|
|
{ NULL }
|
|
};
|
|
|
|
AVFilter ff_vf_hqdn3d = {
|
|
.name = "hqdn3d",
|
|
.description = NULL_IF_CONFIG_SMALL("Apply a High Quality 3D Denoiser."),
|
|
.priv_size = sizeof(HQDN3DContext),
|
|
.priv_class = &hqdn3d_class,
|
|
.init = init,
|
|
.uninit = uninit,
|
|
.query_formats = query_formats,
|
|
.inputs = avfilter_vf_hqdn3d_inputs,
|
|
.outputs = avfilter_vf_hqdn3d_outputs,
|
|
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,
|
|
};
|