summaryrefslogtreecommitdiffstats
path: root/libmpcodecs/vf_hqdn3d.c
blob: 95cdba1ef5fe0aacc71f3b8cc2e5913b42958320 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
/*
 * Copyright (C) 2003 Daniel Moreno <comac@comac.darktech.org>
 *
 * This file is part of MPlayer.
 *
 * MPlayer 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.
 *
 * MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include <math.h>

#include "mp_msg.h"
#include "img_format.h"
#include "mp_image.h"
#include "vf.h"

#define PARAM1_DEFAULT 4.0
#define PARAM2_DEFAULT 3.0
#define PARAM3_DEFAULT 6.0

//===========================================================================//

struct vf_priv_s {
        int Coefs[4][512*16];
        unsigned int *Line;
	unsigned short *Frame[3];
};


/***************************************************************************/

static void uninit(struct vf_instance *vf)
{
	free(vf->priv->Line);
	free(vf->priv->Frame[0]);
	free(vf->priv->Frame[1]);
	free(vf->priv->Frame[2]);

	vf->priv->Line     = NULL;
	vf->priv->Frame[0] = NULL;
	vf->priv->Frame[1] = NULL;
	vf->priv->Frame[2] = NULL;
}

static int config(struct vf_instance *vf,
        int width, int height, int d_width, int d_height,
	unsigned int flags, unsigned int outfmt){

	uninit(vf);
        vf->priv->Line = malloc(width*sizeof(int));

	return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
}

static inline unsigned int LowPassMul(unsigned int PrevMul, unsigned int CurrMul, int* Coef){
//    int dMul= (PrevMul&0xFFFFFF)-(CurrMul&0xFFFFFF);
    int dMul= PrevMul-CurrMul;
    unsigned int d=((dMul+0x10007FF)>>12);
    return CurrMul + Coef[d];
}

static void deNoiseTemporal(
                    unsigned char *Frame,        // mpi->planes[x]
                    unsigned char *FrameDest,    // dmpi->planes[x]
                    unsigned short *FrameAnt,
                    int W, int H, int sStride, int dStride,
                    int *Temporal)
{
    long X, Y;
    unsigned int PixelDst;

    for (Y = 0; Y < H; Y++){
        for (X = 0; X < W; X++){
            PixelDst = LowPassMul(FrameAnt[X]<<8, Frame[X]<<16, Temporal);
            FrameAnt[X] = ((PixelDst+0x1000007F)>>8);
            FrameDest[X]= ((PixelDst+0x10007FFF)>>16);
        }
        Frame += sStride;
        FrameDest += dStride;
        FrameAnt += W;
    }
}

static void deNoiseSpacial(
                    unsigned char *Frame,        // mpi->planes[x]
                    unsigned char *FrameDest,    // dmpi->planes[x]
                    unsigned int *LineAnt,       // vf->priv->Line (width bytes)
                    int W, int H, int sStride, int dStride,
                    int *Horizontal, int *Vertical)
{
    long X, Y;
    long sLineOffs = 0, dLineOffs = 0;
    unsigned int PixelAnt;
    unsigned int PixelDst;

    /* First pixel has no left nor top neighbor. */
    PixelDst = LineAnt[0] = PixelAnt = Frame[0]<<16;
    FrameDest[0]= ((PixelDst+0x10007FFF)>>16);

    /* First line has no top neighbor, only left. */
    for (X = 1; X < W; X++){
        PixelDst = LineAnt[X] = LowPassMul(PixelAnt, Frame[X]<<16, Horizontal);
        FrameDest[X]= ((PixelDst+0x10007FFF)>>16);
    }

    for (Y = 1; Y < H; Y++){
	unsigned int PixelAnt;
	sLineOffs += sStride, dLineOffs += dStride;
        /* First pixel on each line doesn't have previous pixel */
        PixelAnt = Frame[sLineOffs]<<16;
        PixelDst = LineAnt[0] = LowPassMul(LineAnt[0], PixelAnt, Vertical);
        FrameDest[dLineOffs]= ((PixelDst+0x10007FFF)>>16);

        for (X = 1; X < W; X++){
            unsigned int PixelDst;
            /* The rest are normal */
            PixelAnt = LowPassMul(PixelAnt, Frame[sLineOffs+X]<<16, Horizontal);
            PixelDst = LineAnt[X] = LowPassMul(LineAnt[X], PixelAnt, Vertical);
            FrameDest[dLineOffs+X]= ((PixelDst+0x10007FFF)>>16);
        }
    }
}

static void deNoise(unsigned char *Frame,        // mpi->planes[x]
                    unsigned char *FrameDest,    // dmpi->planes[x]
                    unsigned int *LineAnt,      // vf->priv->Line (width bytes)
		    unsigned short **FrameAntPtr,
                    int W, int H, int sStride, int dStride,
                    int *Horizontal, int *Vertical, int *Temporal)
{
    long X, Y;
    long sLineOffs = 0, dLineOffs = 0;
    unsigned int PixelAnt;
    unsigned int PixelDst;
    unsigned short* FrameAnt=(*FrameAntPtr);

    if(!FrameAnt){
	(*FrameAntPtr)=FrameAnt=malloc(W*H*sizeof(unsigned short));
	for (Y = 0; Y < H; Y++){
	    unsigned short* dst=&FrameAnt[Y*W];
	    unsigned char* src=Frame+Y*sStride;
	    for (X = 0; X < W; X++) dst[X]=src[X]<<8;
	}
    }

    if(!Horizontal[0] && !Vertical[0]){
        deNoiseTemporal(Frame, FrameDest, FrameAnt,
                        W, H, sStride, dStride, Temporal);
        return;
    }
    if(!Temporal[0]){
        deNoiseSpacial(Frame, FrameDest, LineAnt,
                       W, H, sStride, dStride, Horizontal, Vertical);
        return;
    }

    /* First pixel has no left nor top neighbor. Only previous frame */
    LineAnt[0] = PixelAnt = Frame[0]<<16;
    PixelDst = LowPassMul(FrameAnt[0]<<8, PixelAnt, Temporal);
    FrameAnt[0] = ((PixelDst+0x1000007F)>>8);
    FrameDest[0]= ((PixelDst+0x10007FFF)>>16);

    /* First line has no top neighbor. Only left one for each pixel and
     * last frame */
    for (X = 1; X < W; X++){
        LineAnt[X] = PixelAnt = LowPassMul(PixelAnt, Frame[X]<<16, Horizontal);
        PixelDst = LowPassMul(FrameAnt[X]<<8, PixelAnt, Temporal);
        FrameAnt[X] = ((PixelDst+0x1000007F)>>8);
        FrameDest[X]= ((PixelDst+0x10007FFF)>>16);
    }

    for (Y = 1; Y < H; Y++){
	unsigned int PixelAnt;
	unsigned short* LinePrev=&FrameAnt[Y*W];
	sLineOffs += sStride, dLineOffs += dStride;
        /* First pixel on each line doesn't have previous pixel */
        PixelAnt = Frame[sLineOffs]<<16;
        LineAnt[0] = LowPassMul(LineAnt[0], PixelAnt, Vertical);
	PixelDst = LowPassMul(LinePrev[0]<<8, LineAnt[0], Temporal);
        LinePrev[0] = ((PixelDst+0x1000007F)>>8);
        FrameDest[dLineOffs]= ((PixelDst+0x10007FFF)>>16);

        for (X = 1; X < W; X++){
            unsigned int PixelDst;
            /* The rest are normal */
            PixelAnt = LowPassMul(PixelAnt, Frame[sLineOffs+X]<<16, Horizontal);
            LineAnt[X] = LowPassMul(LineAnt[X], PixelAnt, Vertical);
	    PixelDst = LowPassMul(LinePrev[X]<<8, LineAnt[X], Temporal);
            LinePrev[X] = ((PixelDst+0x1000007F)>>8);
            FrameDest[dLineOffs+X]= ((PixelDst+0x10007FFF)>>16);
        }
    }
}


static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){
	int cw= mpi->w >> mpi->chroma_x_shift;
	int ch= mpi->h >> mpi->chroma_y_shift;
        int W = mpi->w, H = mpi->h;

	mp_image_t *dmpi=vf_get_image(vf->next,mpi->imgfmt,
		MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
                mpi->w,mpi->h);

	if(!dmpi) return 0;

        deNoise(mpi->planes[0], dmpi->planes[0],
		vf->priv->Line, &vf->priv->Frame[0], W, H,
                mpi->stride[0], dmpi->stride[0],
                vf->priv->Coefs[0],
                vf->priv->Coefs[0],
                vf->priv->Coefs[1]);
        deNoise(mpi->planes[1], dmpi->planes[1],
		vf->priv->Line, &vf->priv->Frame[1], cw, ch,
                mpi->stride[1], dmpi->stride[1],
                vf->priv->Coefs[2],
                vf->priv->Coefs[2],
                vf->priv->Coefs[3]);
        deNoise(mpi->planes[2], dmpi->planes[2],
		vf->priv->Line, &vf->priv->Frame[2], cw, ch,
                mpi->stride[2], dmpi->stride[2],
                vf->priv->Coefs[2],
                vf->priv->Coefs[2],
                vf->priv->Coefs[3]);

	return vf_next_put_image(vf,dmpi, pts);
}

//===========================================================================//

static int query_format(struct vf_instance *vf, unsigned int fmt){
        switch(fmt)
	{
	case IMGFMT_YV12:
	case IMGFMT_I420:
	case IMGFMT_IYUV:
	case IMGFMT_YVU9:
	case IMGFMT_444P:
	case IMGFMT_422P:
	case IMGFMT_411P:
		return vf_next_query_format(vf, fmt);
	}
	return 0;
}


#define ABS(A) ( (A) > 0 ? (A) : -(A) )

static void PrecalcCoefs(int *Ct, double Dist25)
{
    int i;
    double Gamma, Simil, C;

    Gamma = log(0.25) / log(1.0 - Dist25/255.0 - 0.00001);

    for (i = -255*16; i <= 255*16; i++)
    {
        Simil = 1.0 - ABS(i) / (16*255.0);
        C = pow(Simil, Gamma) * 65536.0 * (double)i / 16.0;
        Ct[16*256+i] = (C<0) ? (C-0.5) : (C+0.5);
    }

    Ct[0] = (Dist25 != 0);
}


static int vf_open(vf_instance_t *vf, char *args){
        double LumSpac, LumTmp, ChromSpac, ChromTmp;
        double Param1, Param2, Param3, Param4;

	vf->config=config;
	vf->put_image=put_image;
        vf->query_format=query_format;
        vf->uninit=uninit;
	vf->priv=malloc(sizeof(struct vf_priv_s));
        memset(vf->priv, 0, sizeof(struct vf_priv_s));

        if (args)
        {
            switch(sscanf(args, "%lf:%lf:%lf:%lf",
                          &Param1, &Param2, &Param3, &Param4
                         ))
            {
            case 0:
                LumSpac = PARAM1_DEFAULT;
                LumTmp = PARAM3_DEFAULT;

                ChromSpac = PARAM2_DEFAULT;
                ChromTmp = LumTmp * ChromSpac / LumSpac;
                break;

            case 1:
                LumSpac = Param1;
                LumTmp = PARAM3_DEFAULT * Param1 / PARAM1_DEFAULT;

                ChromSpac = PARAM2_DEFAULT * Param1 / PARAM1_DEFAULT;
                ChromTmp = LumTmp * ChromSpac / LumSpac;
                break;

            case 2:
                LumSpac = Param1;
                LumTmp = PARAM3_DEFAULT * Param1 / PARAM1_DEFAULT;

                ChromSpac = Param2;
                ChromTmp = LumTmp * ChromSpac / LumSpac;
                break;

            case 3:
                LumSpac = Param1;
                LumTmp = Param3;

                ChromSpac = Param2;
                ChromTmp = LumTmp * ChromSpac / LumSpac;
                break;

            case 4:
                LumSpac = Param1;
                LumTmp = Param3;

                ChromSpac = Param2;
                ChromTmp = Param4;
                break;

            default:
                LumSpac = PARAM1_DEFAULT;
                LumTmp = PARAM3_DEFAULT;

                ChromSpac = PARAM2_DEFAULT;
                ChromTmp = LumTmp * ChromSpac / LumSpac;
            }
        }
        else
        {
            LumSpac = PARAM1_DEFAULT;
            LumTmp = PARAM3_DEFAULT;

            ChromSpac = PARAM2_DEFAULT;
            ChromTmp = LumTmp * ChromSpac / LumSpac;
        }

        PrecalcCoefs(vf->priv->Coefs[0], LumSpac);
        PrecalcCoefs(vf->priv->Coefs[1], LumTmp);
        PrecalcCoefs(vf->priv->Coefs[2], ChromSpac);
        PrecalcCoefs(vf->priv->Coefs[3], ChromTmp);

	return 1;
}

const vf_info_t vf_info_hqdn3d = {
    "High Quality 3D Denoiser",
    "hqdn3d",
    "Daniel Moreno & A'rpi",
    "",
    vf_open,
    NULL
};

//===========================================================================//