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-rw-r--r--video/filter/vf_hqdn3d.c373
1 files changed, 373 insertions, 0 deletions
diff --git a/video/filter/vf_hqdn3d.c b/video/filter/vf_hqdn3d.c
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+++ b/video/filter/vf_hqdn3d.c
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+/*
+ * 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
+};
+
+//===========================================================================//
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