mpv/libmpcodecs/vf_pp.c

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../config.h"
#include "../mp_msg.h"
#include "img_format.h"
#include "mp_image.h"
#include "vf.h"
#include "../postproc/postprocess.h"
struct vf_priv_s {
unsigned int pp;
mp_image_t *dmpi;
unsigned int outfmt;
};
//===========================================================================//
static int config(struct vf_instance_s* vf,
int width, int height, int d_width, int d_height,
unsigned int voflags, unsigned int outfmt){
return vf_next_config(vf,width,height,d_width,d_height,voflags,vf->priv->outfmt);
}
static int query_format(struct vf_instance_s* vf, unsigned int fmt){
switch(fmt){
case IMGFMT_YV12:
case IMGFMT_I420:
case IMGFMT_IYUV:
return vf_next_query_format(vf,vf->priv->outfmt);
}
return 0;
}
static int control(struct vf_instance_s* vf, int request, void* data){
switch(request){
case VFCTRL_QUERY_MAX_PP_LEVEL:
return GET_PP_QUALITY_MAX;
case VFCTRL_SET_PP_LEVEL:
vf->priv->pp=getPpModeForQuality(*((unsigned int*)data));
return CONTROL_TRUE;
}
return vf_next_control(vf,request,data);
}
static void get_image(struct vf_instance_s* vf, mp_image_t *mpi){
if(vf->priv->pp&0xFFFF) return; // non-local filters enabled
if((mpi->type==MP_IMGTYPE_IPB || vf->priv->pp) &&
mpi->flags&MP_IMGFLAG_PRESERVE) return; // don't change
if(!(mpi->flags&MP_IMGFLAG_ACCEPT_STRIDE) && mpi->imgfmt!=vf->priv->outfmt)
return; // colorspace differ
// ok, we can do pp in-place (or pp disabled):
vf->priv->dmpi=vf_get_image(vf->next,mpi->imgfmt,
mpi->type, mpi->flags, mpi->w, mpi->h);
mpi->planes[0]=vf->priv->dmpi->planes[0];
mpi->stride[0]=vf->priv->dmpi->stride[0];
mpi->width=vf->priv->dmpi->width;
if(mpi->flags&MP_IMGFLAG_PLANAR){
mpi->planes[1]=vf->priv->dmpi->planes[1];
mpi->planes[2]=vf->priv->dmpi->planes[2];
mpi->stride[1]=vf->priv->dmpi->stride[1];
mpi->stride[2]=vf->priv->dmpi->stride[2];
}
mpi->flags|=MP_IMGFLAG_DIRECT;
}
static void put_image(struct vf_instance_s* vf, mp_image_t *mpi){
if(!(mpi->flags&MP_IMGFLAG_DIRECT)){
// no DR, so get a new image! hope we'll get DR buffer:
vf->priv->dmpi=vf_get_image(vf->next,vf->priv->outfmt,
MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE|MP_IMGFLAG_PREFER_ALIGNED_STRIDE,
// MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
// mpi->w,mpi->h);
(mpi->w+7)&(~7),(mpi->h+7)&(~7));
vf->priv->dmpi->w=mpi->w; vf->priv->dmpi->h=mpi->h; // display w;h
}
if(vf->priv->pp || !(mpi->flags&MP_IMGFLAG_DIRECT)){
// do the postprocessing! (or copy if no DR)
postprocess(mpi->planes,mpi->stride[0],
vf->priv->dmpi->planes,vf->priv->dmpi->stride[0],
(mpi->w+7)&(~7),mpi->h,
mpi->qscale, mpi->qstride,
vf->priv->pp);
}
vf_next_put_image(vf,vf->priv->dmpi);
}
//===========================================================================//
extern int divx_quality;
static unsigned int fmt_list[]={
IMGFMT_YV12,
IMGFMT_I420,
IMGFMT_IYUV,
0
};
static int open(vf_instance_t *vf, char* args){
char *endptr;
vf->query_format=query_format;
vf->control=control;
vf->config=config;
vf->get_image=get_image;
vf->put_image=put_image;
vf->default_caps=VFCAP_ACCEPT_STRIDE|VFCAP_POSTPROC;
vf->priv=malloc(sizeof(struct vf_priv_s));
// check csp:
vf->priv->outfmt=vf_match_csp(&vf->next,fmt_list,IMGFMT_YV12);
if(!vf->priv->outfmt) return 0; // no csp match :(
if(args){
vf->priv->pp=strtol(args, &endptr, 0);
if(!(*endptr)) return 1;
}
vf->priv->pp=divx_quality;
return 1;
}
vf_info_t vf_info_pp = {
"postprocessing",
"pp",
"A'rpi",
"",
open
};
//===========================================================================//