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-rw-r--r--libmpcodecs/vf_boxblur.c214
1 files changed, 0 insertions, 214 deletions
diff --git a/libmpcodecs/vf_boxblur.c b/libmpcodecs/vf_boxblur.c
deleted file mode 100644
index cc15efccf4..0000000000
--- a/libmpcodecs/vf_boxblur.c
+++ /dev/null
@@ -1,214 +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 "mp_msg.h"
-#include "img_format.h"
-#include "mp_image.h"
-#include "vf.h"
-
-
-//===========================================================================//
-
-typedef struct FilterParam{
- int radius;
- int power;
-}FilterParam;
-
-struct vf_priv_s {
- FilterParam lumaParam;
- FilterParam chromaParam;
-};
-
-
-/***************************************************************************/
-
-
-static int config(struct vf_instance *vf,
- int width, int height, int d_width, int d_height,
- unsigned int flags, unsigned int outfmt){
-
- return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
-}
-
-static inline void blur(uint8_t *dst, uint8_t *src, int w, int radius, int dstStep, int srcStep){
- int x;
- const int length= radius*2 + 1;
- const int inv= ((1<<16) + length/2)/length;
-
- int sum= 0;
-
- for(x=0; x<radius; x++){
- sum+= src[x*srcStep]<<1;
- }
- sum+= src[radius*srcStep];
-
- for(x=0; x<=radius; x++){
- sum+= src[(radius+x)*srcStep] - src[(radius-x)*srcStep];
- dst[x*dstStep]= (sum*inv + (1<<15))>>16;
- }
-
- for(; x<w-radius; x++){
- sum+= src[(radius+x)*srcStep] - src[(x-radius-1)*srcStep];
- dst[x*dstStep]= (sum*inv + (1<<15))>>16;
- }
-
- for(; x<w; x++){
- sum+= src[(2*w-radius-x-1)*srcStep] - src[(x-radius-1)*srcStep];
- dst[x*dstStep]= (sum*inv + (1<<15))>>16;
- }
-}
-
-static inline void blur2(uint8_t *dst, uint8_t *src, int w, int radius, int power, int dstStep, int srcStep){
- uint8_t temp[2][4096];
- uint8_t *a= temp[0], *b=temp[1];
-
- if(radius){
- blur(a, src, w, radius, 1, srcStep);
- for(; power>2; power--){
- uint8_t *c;
- blur(b, a, w, radius, 1, 1);
- c=a; a=b; b=c;
- }
- if(power>1)
- blur(dst, a, w, radius, dstStep, 1);
- else{
- int i;
- for(i=0; i<w; i++)
- dst[i*dstStep]= a[i];
- }
- }else{
- int i;
- for(i=0; i<w; i++)
- dst[i*dstStep]= src[i*srcStep];
- }
-}
-
-static void hBlur(uint8_t *dst, uint8_t *src, int w, int h, int dstStride, int srcStride, int radius, int power){
- int y;
-
- if(radius==0 && dst==src) return;
-
- for(y=0; y<h; y++){
- blur2(dst + y*dstStride, src + y*srcStride, w, radius, power, 1, 1);
- }
-}
-
-//FIXME optimize (x before y !!!)
-static void vBlur(uint8_t *dst, uint8_t *src, int w, int h, int dstStride, int srcStride, int radius, int power){
- int x;
-
- if(radius==0 && dst==src) return;
-
- for(x=0; x<w; x++){
- blur2(dst + x, src + x, h, radius, power, dstStride, srcStride);
- }
-}
-
-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 | MP_IMGFLAG_READABLE,
- mpi->w,mpi->h);
-
- assert(mpi->flags&MP_IMGFLAG_PLANAR);
-
- hBlur(dmpi->planes[0], mpi->planes[0], mpi->w,mpi->h,
- dmpi->stride[0], mpi->stride[0], vf->priv->lumaParam.radius, vf->priv->lumaParam.power);
- hBlur(dmpi->planes[1], mpi->planes[1], cw,ch,
- dmpi->stride[1], mpi->stride[1], vf->priv->chromaParam.radius, vf->priv->chromaParam.power);
- hBlur(dmpi->planes[2], mpi->planes[2], cw,ch,
- dmpi->stride[2], mpi->stride[2], vf->priv->chromaParam.radius, vf->priv->chromaParam.power);
-
- vBlur(dmpi->planes[0], dmpi->planes[0], mpi->w,mpi->h,
- dmpi->stride[0], dmpi->stride[0], vf->priv->lumaParam.radius, vf->priv->lumaParam.power);
- vBlur(dmpi->planes[1], dmpi->planes[1], cw,ch,
- dmpi->stride[1], dmpi->stride[1], vf->priv->chromaParam.radius, vf->priv->chromaParam.power);
- vBlur(dmpi->planes[2], dmpi->planes[2], cw,ch,
- dmpi->stride[2], dmpi->stride[2], vf->priv->chromaParam.radius, vf->priv->chromaParam.power);
-
- 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->priv=malloc(sizeof(struct vf_priv_s));
- memset(vf->priv, 0, sizeof(struct vf_priv_s));
-
- if(args==NULL) return 0;
-
- e=sscanf(args, "%d:%d:%d:%d",
- &vf->priv->lumaParam.radius,
- &vf->priv->lumaParam.power,
- &vf->priv->chromaParam.radius,
- &vf->priv->chromaParam.power
- );
-
- if(e==2){
- vf->priv->chromaParam.radius= vf->priv->lumaParam.radius;
- vf->priv->chromaParam.power = vf->priv->lumaParam.power;
- }else if(e!=4)
- return 0;
-
- if(vf->priv->lumaParam.radius < 0) return 0;
- if(vf->priv->chromaParam.radius < 0) return 0;
-
- return 1;
-}
-
-const vf_info_t vf_info_boxblur = {
- "box blur",
- "boxblur",
- "Michael Niedermayer",
- "",
- vf_open,
- NULL
-};
-
-//===========================================================================//
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-24 18:44:37 +0000