diff options
author | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2011-07-09 20:23:02 +0400 |
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committer | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2011-07-15 03:06:00 +0400 |
commit | 4bd28579e51a358fc6d26040c4ccd6aefb5a90ef (patch) | |
tree | 0684e0127aae6f4c7656487fd16b8db8594ad2a8 /libavfilter/libmpcodecs | |
parent | 8bc3a4807e2da36f458e7784c3d390dbd19899a5 (diff) |
vf_mp: remove boxblur wrapper
It is natively included in libavfilter.
Diffstat (limited to 'libavfilter/libmpcodecs')
-rw-r--r-- | libavfilter/libmpcodecs/vf_boxblur.c | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/libavfilter/libmpcodecs/vf_boxblur.c b/libavfilter/libmpcodecs/vf_boxblur.c deleted file mode 100644 index bc1ec80284..0000000000 --- a/libavfilter/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 -}; - -//===========================================================================// |