timgfilterdenoise3d.cpp

从FFMPEG转换而来的H264解码程序,VC下编译..

/*
 * Copyright (c) 2003-2006 Milan Cutka
 * based on mplayer denoise3d and hqdn3d filters (C) 2003 Daniel Moreno <[e-mail]>
 * by hqdn3d deNoiseTemporal and deNoiseSpacial by Loren Merritt
 *
 * This program 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.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include "stdafx.h"
#include "TimgFilterDenoise3d.h"
#include "TblurSettings.h"
#include "Tconfig.h"
#include "simd.h"

//===================================== TimgFilterDenoise3d =====================================
TimgFilterDenoise3d::TimgFilterDenoise3d(IffdshowBase *Ideci,Tfilters *Iparent):TimgFilter(Ideci,Iparent)
{
 oldLuma=oldChroma=oldTime=-2;
}
void TimgFilterDenoise3d::onSizeChange(void)
{
 done();
}

bool TimgFilterDenoise3d::is(const TffPictBase &pict,const TfilterSettingsVideo *cfg0)
{
 const TblurSettings *cfg=(const TblurSettings*)cfg0;
 return super::is(pict,cfg) && cfg->isDenoise3d && (cfg->denoise3Dluma || cfg->denoise3Dchroma || cfg->denoise3Dtime);
}

HRESULT TimgFilterDenoise3d::process(TfilterQueue::iterator it,TffPict &pict,const TfilterSettingsVideo *cfg0)
{
 if (is(pict,cfg0))
  {
   const TblurSettings *cfg=(const TblurSettings*)cfg0;
   init(pict,cfg->full,cfg->half);

   if (oldLuma!=cfg->denoise3Dluma || oldChroma!=cfg->denoise3Dchroma || oldTime!=cfg->denoise3Dtime)
    {
     oldLuma=cfg->denoise3Dluma;oldChroma=cfg->denoise3Dchroma;oldTime=cfg->denoise3Dtime;
     double LumSpac=oldLuma/100.0;
     double LumTmp=oldTime/100.0;
     double ChromSpac=oldChroma/100.0;
     double ChromTmp=LumTmp*ChromSpac/LumSpac;
     precalcCoefs(0,LumSpac);
     precalcCoefs(1,LumTmp);
     precalcCoefs(2,ChromSpac);
     precalcCoefs(3,ChromTmp);
    }

   bool cspChanged=false;
   const unsigned char *src[4];
   cspChanged|=getCur(FF_CSPS_MASK_YUV_PLANAR,pict,cfg->full,src);
   unsigned char *dst[4];
   cspChanged|=getNext(csp1,pict,cfg->full,dst);
   if (cspChanged) done();

   deNoise(pict,dx1[0],dy1[0],src,stride1,dst,stride2);
  }
 return parent->deliverSample(++it,pict);
}

void TimgFilterDenoise3d::onSeek(void)
{
 done();
}

//================================== TimgFilterDenoise3dNormal =================================
TimgFilterDenoise3dNormal::TimgFilterDenoise3dNormal(IffdshowBase *Ideci,Tfilters *Iparent):TimgFilterDenoise3d(Ideci,Iparent)
{
 Line=NULL;
 Frame[0]=Frame[1]=Frame[2]=NULL;
}
void TimgFilterDenoise3dNormal::done(void)
{
 if (Line) aligned_free(Line);Line=NULL;
 if (Frame[0]) aligned_free(Frame[0]);Frame[0]=NULL;
 if (Frame[1]) aligned_free(Frame[1]);Frame[1]=NULL;
 if (Frame[2]) aligned_free(Frame[2]);Frame[2]=NULL;
}

void TimgFilterDenoise3dNormal::precalcCoefs(int nCt, double Dist25)
{
 int *Ct=Coefs[nCt];
 int i;
 double Gamma = log(0.25) / log(1.0 - Dist25/255.0);

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

void TimgFilterDenoise3dNormal::deNoise(const unsigned char *Frame,
                                        const unsigned char *FramePrev,
                                        unsigned char *FrameDest,
                                        unsigned char *LineAnt,
                                        int W, int H, stride_t sStride, stride_t pStride, stride_t dStride,
                                        int *Horizontal, int *Vertical, int *Temporal)
{
 stride_t sLineOffs = 0, pLineOffs = 0, dLineOffs = 0;
 unsigned char PixelAnt;

 /* First pixel has no left nor top neightbour. Only previous frame */
 LineAnt[0] = PixelAnt = Frame[0];
 FrameDest[0] = LowPass(FramePrev[0], LineAnt[0], Temporal);

 // Fist line has no top neightbour. Only left one for each pixel and last frame
 for (int X = 1; X < W; X++)
  {
   PixelAnt = LowPass(PixelAnt, Frame[X], Horizontal);
   LineAnt[X] = PixelAnt;
   FrameDest[X] = LowPass(FramePrev[X], LineAnt[X], Temporal);
  }

 for (int Y = 1; Y < H; Y++)
  {
   sLineOffs += sStride, pLineOffs += pStride, dLineOffs += dStride;
   // First pixel on each line doesn't have previous pixel
   PixelAnt = Frame[sLineOffs];
   LineAnt[0] = LowPass(LineAnt[0], PixelAnt, Vertical);
   FrameDest[dLineOffs] = LowPass(FramePrev[pLineOffs], LineAnt[0], Temporal);

   for (int X = 1; X < W; X++)
    {
     // The rest are normal
     PixelAnt = LowPass(PixelAnt, Frame[sLineOffs+X], Horizontal);
     LineAnt[X] = LowPass(LineAnt[X], PixelAnt, Vertical);
     FrameDest[dLineOffs+X] = LowPass(FramePrev[pLineOffs+X], LineAnt[X], Temporal);
    }
  }
}

void TimgFilterDenoise3dNormal::deNoise(TffPict &pict,unsigned int dx,unsigned int dy,const unsigned char *src[4],stride_t stride1[4],unsigned char *dst[4],stride_t stride2[4])
{
 if (!Line) Line=(unsigned char*)aligned_malloc(dx);
 if (!Frame[0])
  for (unsigned int i=0;i<3;i++)
   {
    FrameStride[i]=((dx>>pict.cspInfo.shiftX[i])/16+2)*16;
    Frame[i]=(unsigned char*)aligned_malloc(FrameStride[i]*(dy>>pict.cspInfo.shiftY[i]));
   }

 static const int coeffIdxs[3]={0,2,2};

 for (unsigned int i=0;i<3;i++)
  {
   deNoise(src[i],Frame[i],dst[i],
           Line,dx>>pict.cspInfo.shiftX[i],dy>>pict.cspInfo.shiftY[i],
           stride1[i],FrameStride[i],stride2[i],
           Coefs[coeffIdxs[i]  ] + 256,
           Coefs[coeffIdxs[i]  ] + 256,
           Coefs[coeffIdxs[i]+1] + 256);
   TffPict::copy(Frame[i],FrameStride[i],dst[i],stride2[i],pict.cspInfo.Bpp*dx>>pict.cspInfo.shiftX[i],dy>>pict.cspInfo.shiftY[i]);
  }
}

//================================== TimgFilterDenoise3dHQ ===================================
TimgFilterDenoise3dHQ::TimgFilterDenoise3dHQ(IffdshowBase *Ideci,Tfilters *Iparent):TimgFilterDenoise3d(Ideci,Iparent)
{
 Line=NULL;
 Frame[0]=Frame[1]=Frame[2]=NULL;
}
void TimgFilterDenoise3dHQ::done(void)
{
 if (Line) aligned_free(Line);Line=NULL;
 if (Frame[0]) aligned_free(Frame[0]);Frame[0]=NULL;
 if (Frame[1]) aligned_free(Frame[1]);Frame[1]=NULL;
 if (Frame[2]) aligned_free(Frame[2]);Frame[2]=NULL;
}

void TimgFilterDenoise3dHQ::precalcCoefs(int nCt, double Dist25)
{
 int *Ct=Coefs[nCt];
 int i;
 double Gamma = log(0.25) / log(1.0 - Dist25/255.0 - 0.00001);

 for (i = -255*16; i <= 255*16; i++)
  {
   double Simil = 1.0 - abs(i) / (16*255.0);
   double C = pow(Simil, Gamma) * 65536.0 * (double)i / 16.0;
   Ct[16*256+i] = int((C<0) ? (C-0.5) : (C+0.5));
  }
 Ct[0] = (Dist25 != 0);
}

void TimgFilterDenoise3dHQ::deNoiseTemporal(
                    const unsigned char *Frame,        // mpi->planes[x]
                    unsigned char *FrameDest,    // dmpi->planes[x]
                    unsigned short *FrameAnt,
                    int W, int H, stride_t sStride, stride_t dStride,
                    int *Temporal)
{
    int 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] = (unsigned short)((PixelDst+0x1000007F)>>8);
            FrameDest[X]= (unsigned char)((PixelDst+0x10007FFF)>>16);
        }
        Frame += sStride;
        FrameDest += dStride;
        FrameAnt += W;
    }
}

void TimgFilterDenoise3dHQ::deNoiseSpacial(
                    const unsigned char *Frame,        // mpi->planes[x]
                    unsigned char *FrameDest,    // dmpi->planes[x]
                    unsigned int *LineAnt,       // vf->priv->Line (width bytes)
                    int W, int H, stride_t sStride, stride_t dStride,
                    int *Horizontal, int *Vertical)
{
    int X, Y;
    stride_t sLineOffs = 0, dLineOffs = 0;
    unsigned int PixelAnt;
    unsigned int PixelDst;

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

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

        for (X = 1; X < W; X++){
           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]= (unsigned char)((PixelDst+0x10007FFF)>>16);
        }
    }
}

void TimgFilterDenoise3dHQ::deNoise(const unsigned char *Frame,  // mpi->planes[x]
                                    unsigned char *FrameDest,    // dmpi->planes[x]