virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

lavfi/mp: remove mp=sab

Browse Source 
The filter was ported to a native libavfilter filter.
This commit is contained in:
Stefano Sabatini 2013-06-05 00:06:23 +02:00
parent 841df7bf86
commit 449558d34a
5 changed files with 1 additions and 329 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
doc/filters.texi
View File

@ -4931,7 +4931,6 @@ The list of the currently supported filters follows:
@item pp7
@item pullup
@item qp
@item sab
@item softpulldown
@item spp
@item uspp

1
libavfilter/Makefile
View File

@ -227,7 +227,6 @@ OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_phase.o
OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_pp7.o
OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_pullup.o
OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_qp.o
OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_sab.o
OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_softpulldown.o
OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_spp.o
OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_uspp.o

324
libavfilter/libmpcodecs/vf_sab.c
View File

@ -1,324 +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 "config.h"
#include "mp_msg.h"
#if HAVE_MALLOC_H
#include <malloc.h>
#endif
#include "libavutil/avutil.h"
#include "libavutil/mem.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 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;
};
/***************************************************************************/
//FIXME stupid code duplication
static void getSubSampleFactors(int *h, int *v, int format){
switch(format){
default:
assert(0);
case IMGFMT_YV12:
case IMGFMT_I420:
*h=1;
*v=1;
break;
case IMGFMT_YVU9:
*h=2;
*v=2;
break;
case IMGFMT_444P:
*h=0;
*v=0;
break;
case IMGFMT_422P:
*h=1;
*v=0;
break;
case IMGFMT_411P:
*h=2;
*v=0;
break;
}
}
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, AV_PIX_FMT_GRAY8, width, height, AV_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);
getSubSampleFactors(&sw, &sh, outfmt);
allocStuff(&vf->priv->chroma, width>>sw, height>>sh);
return ff_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=ff_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 ff_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 ff_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 ff_vf_info_sab = {
"shape adaptive blur",
"sab",
"Michael Niedermayer",
"",
vf_open,
NULL
};
//===========================================================================//

2
libavfilter/version.h
View File

@ -31,7 +31,7 @@
#define LIBAVFILTER_VERSION_MAJOR 3
#define LIBAVFILTER_VERSION_MINOR 75
#define LIBAVFILTER_VERSION_MICRO 100
#define LIBAVFILTER_VERSION_MICRO 101
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
LIBAVFILTER_VERSION_MINOR, \

2
libavfilter/vf_mp.c
View File

@ -134,7 +134,6 @@ extern const vf_info_t ff_vf_info_phase;
extern const vf_info_t ff_vf_info_pp7;
extern const vf_info_t ff_vf_info_pullup;
extern const vf_info_t ff_vf_info_qp;
extern const vf_info_t ff_vf_info_sab;
extern const vf_info_t ff_vf_info_softpulldown;
extern const vf_info_t ff_vf_info_spp;
extern const vf_info_t ff_vf_info_uspp;
@ -152,7 +151,6 @@ static const vf_info_t* const filters[]={
&ff_vf_info_pp7,
&ff_vf_info_pullup,
&ff_vf_info_qp,
&ff_vf_info_sab,
&ff_vf_info_softpulldown,
&ff_vf_info_spp,
&ff_vf_info_uspp,