summaryrefslogtreecommitdiffstats
path: root/libmpcodecs/vf_smartblur.c
diff options
context:
space:
mode:
Diffstat (limited to 'libmpcodecs/vf_smartblur.c')
-rw-r--r--libmpcodecs/vf_smartblur.c236
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
-};
-
-//===========================================================================//