/*
* 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 Libav, ported from MPlayer.
+ * This file is part of FFmpeg, ported from MPlayer.
*
- * Libav is free software; you can redistribute it and/or modify
+ * 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.
*
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software Foundation, Inc.,
+ * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
*/
#include "libavutil/pixdesc.h"
+#include "libavutil/intreadwrite.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"
typedef struct {
- int coefs[4][512*16];
- uint32_t *line;
+ int16_t coefs[4][512*16];
+ uint16_t *line;
uint16_t *frame_prev[3];
int hsub, vsub;
+ int depth;
} HQDN3DContext;
-static inline uint32_t lowpass(unsigned int prev, unsigned int cur, int *coef)
+#define RIGHTSHIFT(a,b) (((a)+(((1<<(b))-1)>>1))>>(b))
+#define LOAD(x) ((depth==8 ? src[x] : AV_RN16A(src+(x)*2)) << (16-depth))
+#define STORE(x,val) (depth==8 ? dst[x] = RIGHTSHIFT(val, 16-depth)\
+ : AV_WN16A(dst+(x)*2, RIGHTSHIFT(val, 16-depth)))
+
+static inline uint32_t lowpass(int prev, int cur, int16_t *coef)
{
- int dmul = prev-cur;
- unsigned int d = (dmul+0x10007FF)>>12; // 0x1000 to convert to unsigned, 7FF for rounding
+ int d = (prev-cur)>>4;
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,
- int *temporal)
+ int16_t *temporal, int depth)
{
long x, y;
- uint32_t pixel;
+ uint32_t tmp;
+
+ temporal += 0x1000;
for (y = 0; y < h; y++) {
for (x = 0; x < w; x++) {
- pixel = lowpass(frame_ant[x]<<8, src[x]<<16, temporal);
- frame_ant[x] = ((pixel+0x1000007F)>>8);
- dst[x]= ((pixel+0x10007FFF)>>16);
+ frame_ant[x] = tmp = lowpass(frame_ant[x], LOAD(x), temporal);
+ STORE(x, tmp);
}
src += sstride;
dst += dstride;
}
}
+av_always_inline
static void denoise_spatial(uint8_t *src, uint8_t *dst,
- uint32_t *line_ant,
+ uint16_t *line_ant, uint16_t *frame_ant,
int w, int h, int sstride, int dstride,
- int *horizontal, int *vertical)
+ int16_t *spatial, int16_t *temporal, int depth)
{
long x, y;
- long sline_offs = 0, dline_offs = 0;
uint32_t pixel_ant;
- uint32_t pixel;
+ uint32_t tmp;
- /* First pixel has no left nor top neighbor. */
- pixel = line_ant[0] = pixel_ant = src[0]<<16;
- dst[0]= ((pixel+0x10007FFF)>>16);
+ spatial += 0x1000;
+ temporal += 0x1000;
- /* First line has no top neighbor, only left. */
- for (x = 1; x < w; x++) {
- pixel = line_ant[x] = lowpass(pixel_ant, src[x]<<16, horizontal);
- dst[x]= ((pixel+0x10007FFF)>>16);
+ /* 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);
+ frame_ant[x] = tmp = lowpass(frame_ant[x], tmp, temporal);
+ STORE(x, tmp);
}
for (y = 1; y < h; y++) {
- uint32_t pixel_ant;
- sline_offs += sstride, dline_offs += dstride;
- /* First pixel on each line doesn't have previous pixel */
- pixel_ant = src[sline_offs]<<16;
- pixel = line_ant[0] = lowpass(line_ant[0], pixel_ant, vertical);
- dst[dline_offs]= ((pixel+0x10007FFF)>>16);
-
- for (x = 1; x < w; x++) {
- uint32_t pixel;
- /* The rest are normal */
- pixel_ant = lowpass(pixel_ant, src[sline_offs+x]<<16, horizontal);
- pixel = line_ant[x] = lowpass(line_ant[x], pixel_ant, vertical);
- dst[dline_offs+x]= ((pixel+0x10007FFF)>>16);
+ src += sstride;
+ dst += dstride;
+ frame_ant += w;
+ pixel_ant = LOAD(0);
+ for (x = 0; x < w-1; x++) {
+ line_ant[x] = tmp = lowpass(line_ant[x], pixel_ant, spatial);
+ pixel_ant = lowpass(pixel_ant, LOAD(x+1), spatial);
+ frame_ant[x] = tmp = lowpass(frame_ant[x], tmp, temporal);
+ STORE(x, tmp);
}
+ line_ant[x] = tmp = lowpass(line_ant[x], pixel_ant, spatial);
+ frame_ant[x] = tmp = lowpass(frame_ant[x], tmp, temporal);
+ STORE(x, tmp);
}
}
-static void denoise(uint8_t *src, uint8_t *dst,
- uint32_t *line_ant, uint16_t **frame_ant_ptr,
- int w, int h, int sstride, int dstride,
- int *horizontal, int *vertical, int *temporal)
+av_always_inline
+static void denoise_depth(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)
{
long x, y;
- long sline_offs = 0, dline_offs = 0;
- uint32_t pixel_ant;
- uint32_t pixel;
uint16_t *frame_ant = *frame_ant_ptr;
-
if (!frame_ant) {
+ uint8_t *frame_src = src;
*frame_ant_ptr = frame_ant = av_malloc(w*h*sizeof(uint16_t));
- for (y = 0; y < h; y++) {
- uint16_t *frame_dst = frame_ant+y*w;
- uint8_t *frame_src = src+y*sstride;
+ for (y = 0; y < h; y++, src += sstride, frame_ant += w)
for (x = 0; x < w; x++)
- frame_dst[x] = frame_src[x]<<8;
- }
+ frame_ant[x] = LOAD(x);
+ src = frame_src;
+ frame_ant = *frame_ant_ptr;
}
- if (!horizontal[0] && !vertical[0]) {
+ if (spatial[0])
+ denoise_spatial(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);
- return;
- }
- if (!temporal[0]) {
- denoise_spatial(src, dst, line_ant,
- w, h, sstride, dstride, horizontal, vertical);
- return;
- }
-
- /* First pixel has no left nor top neighbor. Only previous frame */
- line_ant[0] = pixel_ant = src[0]<<16;
- pixel = lowpass(frame_ant[0]<<8, pixel_ant, temporal);
- frame_ant[0] = ((pixel+0x1000007F)>>8);
- dst[0]= ((pixel+0x10007FFF)>>16);
-
- /* First line has no top neighbor. Only left one for each pixel and
- * last frame */
- for (x = 1; x < w; x++) {
- line_ant[x] = pixel_ant = lowpass(pixel_ant, src[x]<<16, horizontal);
- pixel = lowpass(frame_ant[x]<<8, pixel_ant, temporal);
- frame_ant[x] = ((pixel+0x1000007F)>>8);
- dst[x]= ((pixel+0x10007FFF)>>16);
- }
+ w, h, sstride, dstride, temporal, depth);
+}
- for (y = 1; y < h; y++) {
- uint32_t pixel_ant;
- uint16_t *line_prev = frame_ant+y*w;
- sline_offs += sstride, dline_offs += dstride;
- /* First pixel on each line doesn't have previous pixel */
- pixel_ant = src[sline_offs]<<16;
- line_ant[0] = lowpass(line_ant[0], pixel_ant, vertical);
- pixel = lowpass(line_prev[0]<<8, line_ant[0], temporal);
- line_prev[0] = ((pixel+0x1000007F)>>8);
- dst[dline_offs]= ((pixel+0x10007FFF)>>16);
-
- for (x = 1; x < w; x++) {
- uint32_t pixel;
- /* The rest are normal */
- pixel_ant = lowpass(pixel_ant, src[sline_offs+x]<<16, horizontal);
- line_ant[x] = lowpass(line_ant[x], pixel_ant, vertical);
- pixel = lowpass(line_prev[x]<<8, line_ant[x], temporal);
- line_prev[x] = ((pixel+0x1000007F)>>8);
- dst[dline_offs+x]= ((pixel+0x10007FFF)>>16);
- }
+#define denoise(...) \
+ switch (hqdn3d->depth) {\
+ case 8: denoise_depth(__VA_ARGS__, 8); break;\
+ case 9: denoise_depth(__VA_ARGS__, 9); break;\
+ case 10: denoise_depth(__VA_ARGS__, 10); break;\
}
-}
-static void precalc_coefs(int *ct, double dist25)
+static void precalc_coefs(int16_t *ct, double dist25)
{
int i;
double gamma, simil, C;
- gamma = log(0.25) / log(1.0 - dist25/255.0 - 0.00001);
+ gamma = log(0.25) / log(1.0 - FFMIN(dist25,252.0)/255.0 - 0.00001);
for (i = -255*16; i <= 255*16; i++) {
- simil = 1.0 - FFABS(i) / (16*255.0);
- C = pow(simil, gamma) * 65536.0 * i / 16.0;
+ // lowpass() truncates (not rounds) the diff, so +15/32 for the midpoint of the bin.
+ double f = (i + 15.0/32.0) / 16.0;
+ simil = 1.0 - FFABS(f) / 255.0;
+ C = pow(simil, gamma) * 256.0 * f;
ct[16*256+i] = lrint(C);
}
static int query_formats(AVFilterContext *ctx)
{
static const enum PixelFormat pix_fmts[] = {
- PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV411P, PIX_FMT_NONE
+ PIX_FMT_YUV420P,
+ PIX_FMT_YUV422P,
+ PIX_FMT_YUV444P,
+ PIX_FMT_YUV410P,
+ PIX_FMT_YUV411P,
+ PIX_FMT_YUV440P,
+ PIX_FMT_YUVJ420P,
+ PIX_FMT_YUVJ422P,
+ PIX_FMT_YUVJ444P,
+ PIX_FMT_YUVJ440P,
+ AV_NE( PIX_FMT_YUV420P9BE, PIX_FMT_YUV420P9LE ),
+ AV_NE( PIX_FMT_YUV422P9BE, PIX_FMT_YUV422P9LE ),
+ AV_NE( PIX_FMT_YUV444P9BE, PIX_FMT_YUV444P9LE ),
+ AV_NE( PIX_FMT_YUV420P10BE, PIX_FMT_YUV420P10LE ),
+ AV_NE( PIX_FMT_YUV422P10BE, PIX_FMT_YUV422P10LE ),
+ AV_NE( PIX_FMT_YUV444P10BE, PIX_FMT_YUV444P10LE ),
+ PIX_FMT_NONE
};
ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
hqdn3d->hsub = av_pix_fmt_descriptors[inlink->format].log2_chroma_w;
hqdn3d->vsub = av_pix_fmt_descriptors[inlink->format].log2_chroma_h;
+ hqdn3d->depth = av_pix_fmt_descriptors[inlink->format].comp[0].depth_minus1+1;
hqdn3d->line = av_malloc(inlink->w * sizeof(*hqdn3d->line));
if (!hqdn3d->line)
AVFilterLink *outlink = inlink->dst->outputs[0];
AVFilterBufferRef *inpic = inlink ->cur_buf;
AVFilterBufferRef *outpic = outlink->out_buf;
- int cw = inpic->video->w >> hqdn3d->hsub;
- int ch = inpic->video->h >> hqdn3d->vsub;
- int ret;
-
- denoise(inpic->data[0], outpic->data[0],
- hqdn3d->line, &hqdn3d->frame_prev[0], inpic->video->w, inpic->video->h,
- inpic->linesize[0], outpic->linesize[0],
- hqdn3d->coefs[0],
- hqdn3d->coefs[0],
- hqdn3d->coefs[1]);
- denoise(inpic->data[1], outpic->data[1],
- hqdn3d->line, &hqdn3d->frame_prev[1], cw, ch,
- inpic->linesize[1], outpic->linesize[1],
- hqdn3d->coefs[2],
- hqdn3d->coefs[2],
- hqdn3d->coefs[3]);
- denoise(inpic->data[2], outpic->data[2],
- hqdn3d->line, &hqdn3d->frame_prev[2], cw, ch,
- inpic->linesize[2], outpic->linesize[2],
- hqdn3d->coefs[2],
- hqdn3d->coefs[2],
- hqdn3d->coefs[3]);
+ int ret, c;
+
+ for (c = 0; c < 3; c++) {
+ denoise(inpic->data[c], outpic->data[c],
+ hqdn3d->line, &hqdn3d->frame_prev[c],
+ inpic->video->w >> (!!c * hqdn3d->hsub),
+ inpic->video->h >> (!!c * hqdn3d->vsub),
+ inpic->linesize[c], outpic->linesize[c],
+ hqdn3d->coefs[c?2:0], hqdn3d->coefs[c?3:1]);
+ }
if ((ret = ff_draw_slice(outlink, 0, inpic->video->h, 1)) < 0 ||
(ret = ff_end_frame(outlink)) < 0)
.inputs = (const AVFilterPad[]) {{ .name = "default",
.type = AVMEDIA_TYPE_VIDEO,
+ .start_frame = ff_inplace_start_frame,
.draw_slice = null_draw_slice,
.config_props = config_input,
.end_frame = end_frame },
projects / ffmpeg / blobdiff