mirror of
https://github.com/mpv-player/mpv
synced 2024-12-09 16:36:15 +00:00
086c324692
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@6189 b3059339-0415-0410-9bf9-f77b7e298cf2
202 lines
5.5 KiB
C
202 lines
5.5 KiB
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <inttypes.h>
|
|
|
|
#include "../config.h"
|
|
#include "../mp_msg.h"
|
|
|
|
#include "img_format.h"
|
|
#include "mp_image.h"
|
|
#include "vf.h"
|
|
|
|
#include "../libvo/fastmemcpy.h"
|
|
#include "../postproc/swscale.h"
|
|
|
|
struct vf_priv_s {
|
|
int w,h;
|
|
unsigned int fmt;
|
|
SwsContext *ctx;
|
|
};
|
|
|
|
extern int opt_screen_size_x;
|
|
extern int opt_screen_size_y;
|
|
|
|
//===========================================================================//
|
|
|
|
static unsigned int outfmt_list[]={
|
|
IMGFMT_BGR32,
|
|
IMGFMT_BGR24,
|
|
IMGFMT_BGR16,
|
|
IMGFMT_BGR15,
|
|
IMGFMT_YV12,
|
|
IMGFMT_I420,
|
|
IMGFMT_IYUV,
|
|
0
|
|
};
|
|
|
|
static unsigned int find_best_out(vf_instance_t *vf){
|
|
unsigned int best=0;
|
|
unsigned int* p=outfmt_list;
|
|
// find the best outfmt:
|
|
while(*p){
|
|
int ret=vf_next_query_format(vf,*p);
|
|
mp_msg(MSGT_VFILTER,MSGL_V,"scale: query(%s) -> %d\n",vo_format_name(*p),ret&3);
|
|
if(ret&2){ best=*p; break;} // no conversion -> bingo!
|
|
if(ret&1 && !best) best=*p; // best with conversion
|
|
++p;
|
|
}
|
|
return best;
|
|
}
|
|
|
|
static int config(struct vf_instance_s* vf,
|
|
int width, int height, int d_width, int d_height,
|
|
unsigned int flags, unsigned int outfmt){
|
|
unsigned int best=find_best_out(vf);
|
|
int vo_flags;
|
|
|
|
if(!best){
|
|
mp_msg(MSGT_VFILTER,MSGL_WARN,"SwScale: no supported outfmt found :(\n");
|
|
return 0;
|
|
}
|
|
|
|
vo_flags=vf->next->query_format(vf->next,best);
|
|
|
|
// scaling to dwidth*d_height, if all these TRUE:
|
|
// - option -zoom
|
|
// - no other sw/hw up/down scaling avail.
|
|
// - we're after postproc
|
|
// - user didn't set w:h
|
|
if(!(vo_flags&VFCAP_POSTPROC) && (flags&4) &&
|
|
vf->priv->w<0 && vf->priv->h<0){ // -zoom
|
|
int x=(vo_flags&VFCAP_SWSCALE) ? 0 : 1;
|
|
if(d_width<width || d_height<height){
|
|
// downscale!
|
|
if(vo_flags&VFCAP_HWSCALE_DOWN) x=0;
|
|
} else {
|
|
// upscale:
|
|
if(vo_flags&VFCAP_HWSCALE_UP) x=0;
|
|
}
|
|
if(x){
|
|
// user wants sw scaling! (-zoom)
|
|
vf->priv->w=d_width;
|
|
vf->priv->h=d_height;
|
|
}
|
|
}
|
|
|
|
// calculate the missing parameters:
|
|
if(vf->priv->w==-3) vf->priv->w=vf->priv->h*width/height; else
|
|
if(vf->priv->w==-2) vf->priv->w=vf->priv->h*d_width/d_height;
|
|
if(vf->priv->w<0) vf->priv->w=width; else
|
|
if(vf->priv->w==0) vf->priv->w=d_width;
|
|
|
|
if(vf->priv->h==-3) vf->priv->h=vf->priv->w*height/width; else
|
|
if(vf->priv->h==-2) vf->priv->h=vf->priv->w*d_height/d_width;
|
|
if(vf->priv->h<0) vf->priv->h=height; else
|
|
if(vf->priv->h==0) vf->priv->h=d_height;
|
|
|
|
mp_msg(MSGT_VFILTER,MSGL_DBG2,"SwScale: scaling %dx%d %s to %dx%d %s \n",
|
|
width,height,vo_format_name(outfmt),
|
|
vf->priv->w,vf->priv->h,vo_format_name(best));
|
|
|
|
// free old ctx:
|
|
if(vf->priv->ctx) freeSwsContext(vf->priv->ctx);
|
|
|
|
// new swscaler:
|
|
vf->priv->ctx=getSwsContextFromCmdLine(width,height,
|
|
(outfmt==IMGFMT_I420 || outfmt==IMGFMT_IYUV)?IMGFMT_YV12:outfmt,
|
|
vf->priv->w,vf->priv->h,
|
|
(best==IMGFMT_I420 || best==IMGFMT_IYUV)?IMGFMT_YV12:best);
|
|
if(!vf->priv->ctx){
|
|
// error...
|
|
mp_msg(MSGT_VFILTER,MSGL_WARN,"Couldn't init SwScaler for this setup\n");
|
|
return 0;
|
|
}
|
|
vf->priv->fmt=best;
|
|
|
|
if(!opt_screen_size_x && !opt_screen_size_y){
|
|
d_width=d_width*vf->priv->w/width;
|
|
d_height=d_height*vf->priv->h/height;
|
|
}
|
|
return vf_next_config(vf,vf->priv->w,vf->priv->h,d_width,d_height,flags,best);
|
|
}
|
|
|
|
static void put_image(struct vf_instance_s* vf, mp_image_t *mpi){
|
|
mp_image_t *dmpi;
|
|
|
|
// hope we'll get DR buffer:
|
|
dmpi=vf_get_image(vf->next,vf->priv->fmt,
|
|
MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
|
|
vf->priv->w, vf->priv->h);
|
|
|
|
vf->priv->ctx->swScale(vf->priv->ctx,mpi->planes,mpi->stride,0,mpi->h,dmpi->planes,dmpi->stride);
|
|
|
|
if(vf->priv->w==mpi->w && vf->priv->h==mpi->h){
|
|
// just conversion, no scaling -> keep postprocessing data
|
|
// this way we can apply pp filter to non-yv12 source using scaler
|
|
dmpi->qscale=mpi->qscale;
|
|
dmpi->qstride=mpi->qstride;
|
|
}
|
|
|
|
vf_next_put_image(vf,dmpi);
|
|
}
|
|
|
|
//===========================================================================//
|
|
|
|
// supported Input formats: YV12, I420, IYUV, YUY2, BGR32, BGR24, BGR16, BGR15, RGB32, RGB24, Y8, Y800
|
|
|
|
static int query_format(struct vf_instance_s* vf, unsigned int fmt){
|
|
switch(fmt){
|
|
case IMGFMT_YV12:
|
|
case IMGFMT_I420:
|
|
case IMGFMT_IYUV:
|
|
case IMGFMT_YUY2:
|
|
case IMGFMT_BGR32:
|
|
case IMGFMT_BGR24:
|
|
case IMGFMT_BGR16:
|
|
case IMGFMT_BGR15:
|
|
case IMGFMT_RGB32:
|
|
case IMGFMT_RGB24:
|
|
case IMGFMT_Y800: {
|
|
unsigned int best=find_best_out(vf);
|
|
int flags;
|
|
if(!best) return 0; // no matching out-fmt
|
|
flags=vf_next_query_format(vf,best);
|
|
if(!(flags&3)) return 0; // huh?
|
|
if(fmt!=best) flags&=~VFCAP_CSP_SUPPORTED_BY_HW;
|
|
// do not allow scaling, if we are before the PP fliter!
|
|
if(!(flags&VFCAP_POSTPROC)) flags|=VFCAP_SWSCALE;
|
|
return flags;
|
|
}
|
|
}
|
|
return 0; // nomatching in-fmt
|
|
}
|
|
|
|
static int open(vf_instance_t *vf, char* args){
|
|
vf->config=config;
|
|
vf->put_image=put_image;
|
|
vf->query_format=query_format;
|
|
vf->priv=malloc(sizeof(struct vf_priv_s));
|
|
// TODO: parse args ->
|
|
vf->priv->ctx=NULL;
|
|
vf->priv->w=
|
|
vf->priv->h=-1;
|
|
if(args) sscanf(args, "%d:%d",
|
|
&vf->priv->w,
|
|
&vf->priv->h);
|
|
mp_msg(MSGT_VFILTER,MSGL_V,"SwScale params: %d x %d (-1=no scaling)\n",
|
|
vf->priv->w,
|
|
vf->priv->h);
|
|
return 1;
|
|
}
|
|
|
|
vf_info_t vf_info_scale = {
|
|
"software scaling",
|
|
"scale",
|
|
"A'rpi",
|
|
"",
|
|
open
|
|
};
|
|
|
|
//===========================================================================//
|