diff options
Diffstat (limited to 'libmpcodecs/vf_smartblur.c')
-rw-r--r-- | libmpcodecs/vf_smartblur.c | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/libmpcodecs/vf_smartblur.c b/libmpcodecs/vf_smartblur.c deleted file mode 100644 index da6f3547bf..0000000000 --- a/libmpcodecs/vf_smartblur.c +++ /dev/null @@ -1,236 +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 <stdbool.h> - -#include "mp_msg.h" -#include "libavutil/avutil.h" -#include "img_format.h" -#include "mp_image.h" -#include "vf.h" -#include "libswscale/swscale.h" -#include "vf_scale.h" - -//===========================================================================// - -typedef struct FilterParam{ - float radius; - float strength; - int threshold; - float quality; - struct SwsContext *filterContext; -}FilterParam; - -struct vf_priv_s { - FilterParam luma; - FilterParam chroma; -}; - - -/***************************************************************************/ - -static int allocStuff(FilterParam *f, int width, int height){ - SwsVector *vec; - SwsFilter swsF; - - vec = sws_getGaussianVec(f->radius, f->quality); - sws_scaleVec(vec, f->strength); - vec->coeff[vec->length/2]+= 1.0 - f->strength; - swsF.lumH= swsF.lumV= vec; - swsF.chrH= swsF.chrV= NULL; - f->filterContext= sws_getContext( - width, height, PIX_FMT_GRAY8, width, height, PIX_FMT_GRAY8, SWS_BICUBIC, &swsF, NULL, NULL); - - 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; - - 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->filterContext) sws_freeContext(f->filterContext); - f->filterContext=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 uint8_t* const srcArray[MP_MAX_PLANES] = {src}; - uint8_t *dstArray[MP_MAX_PLANES]= {dst}; - int srcStrideArray[MP_MAX_PLANES]= {srcStride}; - int dstStrideArray[MP_MAX_PLANES]= {dstStride}; - - sws_scale(f.filterContext, srcArray, srcStrideArray, 0, h, dstArray, dstStrideArray); - - if(f.threshold > 0){ - for(y=0; y<h; y++){ - for(x=0; x<w; x++){ - const int orig= src[x + y*srcStride]; - const int filtered= dst[x + y*dstStride]; - const int diff= orig - filtered; - - if(diff > 0){ - if(diff > 2*f.threshold){ - dst[x + y*dstStride]= orig; - }else if(diff > f.threshold){ - dst[x + y*dstStride]= filtered + diff - f.threshold; - } - }else{ - if(-diff > 2*f.threshold){ - dst[x + y*dstStride]= orig; - }else if(-diff > f.threshold){ - dst[x + y*dstStride]= filtered + diff + f.threshold; - } - } - } - } - }else if(f.threshold < 0){ - for(y=0; y<h; y++){ - for(x=0; x<w; x++){ - const int orig= src[x + y*srcStride]; - const int filtered= dst[x + y*dstStride]; - const int diff= orig - filtered; - - if(diff > 0){ - if(diff > -2*f.threshold){ - }else if(diff > -f.threshold){ - dst[x + y*dstStride]= orig - diff - f.threshold; - }else - dst[x + y*dstStride]= orig; - }else{ - if(diff < 2*f.threshold){ - }else if(diff < f.threshold){ - dst[x + y*dstStride]= orig - diff + f.threshold; - }else - dst[x + y*dstStride]= orig; - } - } - } - } -} - -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; - bool threshold = vf->priv->luma.threshold || vf->priv->chroma.threshold; - - mp_image_t *dmpi=vf_get_image(vf->next,mpi->imgfmt, - MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE| - (threshold ? MP_IMGFLAG_READABLE : 0), - 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:%d:%f:%f:%d", - &vf->priv->luma.radius, - &vf->priv->luma.strength, - &vf->priv->luma.threshold, - &vf->priv->chroma.radius, - &vf->priv->chroma.strength, - &vf->priv->chroma.threshold - ); - - vf->priv->luma.quality = vf->priv->chroma.quality= 3.0; - - if(e==3){ - vf->priv->chroma.radius= vf->priv->luma.radius; - vf->priv->chroma.strength= vf->priv->luma.strength; - vf->priv->chroma.threshold = vf->priv->luma.threshold; - }else if(e!=6) - return 0; - - return 1; -} - -const vf_info_t vf_info_smartblur = { - "smart blur", - "smartblur", - "Michael Niedermayer", - "", - vf_open, - NULL -}; - -//===========================================================================// |