diff options
Diffstat (limited to 'libmpcodecs/vf_sab.c')
| -rw-r--r-- | libmpcodecs/vf_sab.c | 292 |
1 files changed, 0 insertions, 292 deletions
diff --git a/libmpcodecs/vf_sab.c b/libmpcodecs/vf_sab.c deleted file mode 100644 index 649c3ccc43..0000000000 --- a/libmpcodecs/vf_sab.c +++ /dev/null @@ -1,292 +0,0 @@ -/* - * Copyright (C) 2002 Michael Niedermayer <michaelni@gmx.at> - * - * 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 <assert.h> - -#include <libavutil/mem.h> -#include <libavutil/common.h> -#include <libswscale/swscale.h> - -#include "config.h" -#include "mp_msg.h" - -#include "img_format.h" -#include "mp_image.h" -#include "vf.h" -#include "vf_scale.h" - - -//===========================================================================// - -typedef struct FilterParam{ - float radius; - float preFilterRadius; - float strength; - float quality; - struct SwsContext *preFilterContext; - uint8_t *preFilterBuf; - int preFilterStride; - int distWidth; - int distStride; - int *distCoeff; - int colorDiffCoeff[512]; -}FilterParam; - -struct vf_priv_s { - FilterParam luma; - FilterParam chroma; -}; - - -/***************************************************************************/ - -static int allocStuff(FilterParam *f, int width, int height){ - int stride= (width+7)&~7; - SwsVector *vec; - SwsFilter swsF; - int i,x,y; - f->preFilterBuf= av_malloc(stride*height); - f->preFilterStride= stride; - - vec = sws_getGaussianVec(f->preFilterRadius, f->quality); - swsF.lumH= swsF.lumV= vec; - swsF.chrH= swsF.chrV= NULL; - f->preFilterContext= sws_getContext( - width, height, PIX_FMT_GRAY8, width, height, PIX_FMT_GRAY8, SWS_POINT, &swsF, NULL, NULL); - - sws_freeVec(vec); - vec = sws_getGaussianVec(f->strength, 5.0); - for(i=0; i<512; i++){ - double d; - int index= i-256 + vec->length/2; - - if(index<0 || index>=vec->length) d= 0.0; - else d= vec->coeff[index]; - - f->colorDiffCoeff[i]= (int)(d/vec->coeff[vec->length/2]*(1<<12) + 0.5); - } - sws_freeVec(vec); - vec = sws_getGaussianVec(f->radius, f->quality); - f->distWidth= vec->length; - f->distStride= (vec->length+7)&~7; - f->distCoeff= av_malloc(f->distWidth*f->distStride*sizeof(int32_t)); - - for(y=0; y<vec->length; y++){ - for(x=0; x<vec->length; x++){ - double d= vec->coeff[x] * vec->coeff[y]; - - f->distCoeff[x + y*f->distStride]= (int)(d*(1<<10) + 0.5); -// if(y==vec->length/2) -// printf("%6d ", f->distCoeff[x + y*f->distStride]); - } - } - sws_freeVec(vec); - - return 0; -} - -static int config(struct vf_instance *vf, - int width, int height, int d_width, int d_height, - unsigned int flags, unsigned int outfmt){ - - int sw, sh; -//__asm__ volatile("emms\n\t"); - allocStuff(&vf->priv->luma, width, height); - - mp_get_chroma_shift(outfmt, &sw, &sh, NULL); - allocStuff(&vf->priv->chroma, width>>sw, height>>sh); - - return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt); -} - -static void freeBuffers(FilterParam *f){ - if(f->preFilterContext) sws_freeContext(f->preFilterContext); - f->preFilterContext=NULL; - - av_free(f->preFilterBuf); - f->preFilterBuf=NULL; - - av_free(f->distCoeff); - f->distCoeff=NULL; -} - -static void uninit(struct vf_instance *vf){ - if(!vf->priv) return; - - freeBuffers(&vf->priv->luma); - freeBuffers(&vf->priv->chroma); - - free(vf->priv); - vf->priv=NULL; -} - -static inline void blur(uint8_t *dst, uint8_t *src, int w, int h, int dstStride, int srcStride, FilterParam *fp){ - int x, y; - FilterParam f= *fp; - const int radius= f.distWidth/2; - const uint8_t* const srcArray[MP_MAX_PLANES] = {src}; - uint8_t *dstArray[MP_MAX_PLANES]= {f.preFilterBuf}; - int srcStrideArray[MP_MAX_PLANES]= {srcStride}; - int dstStrideArray[MP_MAX_PLANES]= {f.preFilterStride}; - -// f.preFilterContext->swScale(f.preFilterContext, srcArray, srcStrideArray, 0, h, dstArray, dstStrideArray); - sws_scale(f.preFilterContext, srcArray, srcStrideArray, 0, h, dstArray, dstStrideArray); - - for(y=0; y<h; y++){ - for(x=0; x<w; x++){ - int sum=0; - int div=0; - int dy; - const int preVal= f.preFilterBuf[x + y*f.preFilterStride]; -#if 0 - const int srcVal= src[x + y*srcStride]; -if((x/32)&1){ - dst[x + y*dstStride]= srcVal; - if(y%32==0) dst[x + y*dstStride]= 0; - continue; -} -#endif - if(x >= radius && x < w - radius){ - for(dy=0; dy<radius*2+1; dy++){ - int dx; - int iy= y+dy - radius; - if (iy<0) iy= -iy; - else if(iy>=h) iy= h+h-iy-1; - - for(dx=0; dx<radius*2+1; dx++){ - const int ix= x+dx - radius; - int factor; - - factor= f.colorDiffCoeff[256+preVal - f.preFilterBuf[ix + iy*f.preFilterStride] ] - *f.distCoeff[dx + dy*f.distStride]; - sum+= src[ix + iy*srcStride] *factor; - div+= factor; - } - } - }else{ - for(dy=0; dy<radius*2+1; dy++){ - int dx; - int iy= y+dy - radius; - if (iy<0) iy= -iy; - else if(iy>=h) iy= h+h-iy-1; - - for(dx=0; dx<radius*2+1; dx++){ - int ix= x+dx - radius; - int factor; - if (ix<0) ix= -ix; - else if(ix>=w) ix= w+w-ix-1; - - factor= f.colorDiffCoeff[256+preVal - f.preFilterBuf[ix + iy*f.preFilterStride] ] - *f.distCoeff[dx + dy*f.distStride]; - sum+= src[ix + iy*srcStride] *factor; - div+= factor; - } - } - } - dst[x + y*dstStride]= (sum + div/2)/div; - } - } -} - -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; - - mp_image_t *dmpi=vf_get_image(vf->next,mpi->imgfmt, - MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE, - mpi->w,mpi->h); - - assert(mpi->flags&MP_IMGFLAG_PLANAR); - - blur(dmpi->planes[0], mpi->planes[0], mpi->w,mpi->h, dmpi->stride[0], mpi->stride[0], &vf->priv->luma); - blur(dmpi->planes[1], mpi->planes[1], cw , ch , dmpi->stride[1], mpi->stride[1], &vf->priv->chroma); - blur(dmpi->planes[2], mpi->planes[2], cw , ch , dmpi->stride[2], mpi->stride[2], &vf->priv->chroma); - - 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; -} - -static int vf_open(vf_instance_t *vf, char *args){ - int e; - - vf->config=config; - vf->put_image=put_image; -// vf->get_image=get_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==NULL) return 0; - - e=sscanf(args, "%f:%f:%f:%f:%f:%f", - &vf->priv->luma.radius, - &vf->priv->luma.preFilterRadius, - &vf->priv->luma.strength, - &vf->priv->chroma.radius, - &vf->priv->chroma.preFilterRadius, - &vf->priv->chroma.strength - ); - - vf->priv->luma.quality = vf->priv->chroma.quality= 3.0; - - if(e==3){ - vf->priv->chroma.radius= vf->priv->luma.radius; - vf->priv->chroma.preFilterRadius = vf->priv->luma.preFilterRadius; - vf->priv->chroma.strength= vf->priv->luma.strength; - }else if(e!=6) - return 0; - -// if(vf->priv->luma.radius < 0) return 0; -// if(vf->priv->chroma.radius < 0) return 0; - - return 1; -} - -const vf_info_t vf_info_sab = { - "shape adaptive blur", - "sab", - "Michael Niedermayer", - "", - vf_open, - NULL -}; - -//===========================================================================// |