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mpv/libmpcodecs/vd.c
arpi bb83ea6793 This patch allows you to use fractional values for specifying a zoom. 
(based on) patch by Panagiotis Issaris <takis@lumumba.luc.ac.be>


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@7453 b3059339-0415-0410-9bf9-f77b7e298cf2
2002-09-20 18:57:14 +00:00

288 lines
8.3 KiB
C
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "config.h"
#include "mp_msg.h"
#include "help_mp.h"
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif
#include "codec-cfg.h"
//#include "mp_image.h"
#include "img_format.h"
#include "stream.h"
#include "demuxer.h"
#include "stheader.h"
#include "dec_video.h"
#include "vd.h"
#include "vf.h"
//#include "vd_internal.h"
extern vd_functions_t mpcodecs_vd_null;
extern vd_functions_t mpcodecs_vd_cinepak;
extern vd_functions_t mpcodecs_vd_qtrpza;
extern vd_functions_t mpcodecs_vd_ffmpeg;
extern vd_functions_t mpcodecs_vd_dshow;
extern vd_functions_t mpcodecs_vd_vfw;
extern vd_functions_t mpcodecs_vd_vfwex;
extern vd_functions_t mpcodecs_vd_odivx;
extern vd_functions_t mpcodecs_vd_divx4;
extern vd_functions_t mpcodecs_vd_raw;
extern vd_functions_t mpcodecs_vd_xanim;
extern vd_functions_t mpcodecs_vd_msrle;
extern vd_functions_t mpcodecs_vd_msvidc;
extern vd_functions_t mpcodecs_vd_fli;
extern vd_functions_t mpcodecs_vd_qtrle;
extern vd_functions_t mpcodecs_vd_qtsmc;
extern vd_functions_t mpcodecs_vd_roqvideo;
extern vd_functions_t mpcodecs_vd_cyuv;
extern vd_functions_t mpcodecs_vd_nuv;
extern vd_functions_t mpcodecs_vd_mpng;
extern vd_functions_t mpcodecs_vd_ijpg;
extern vd_functions_t mpcodecs_vd_mtga;
extern vd_functions_t mpcodecs_vd_libmpeg2;
extern vd_functions_t mpcodecs_vd_huffyuv;
extern vd_functions_t mpcodecs_vd_mpegpes;
extern vd_functions_t mpcodecs_vd_realvid;
extern vd_functions_t mpcodecs_vd_svq1;
extern vd_functions_t mpcodecs_vd_xvid;
extern vd_functions_t mpcodecs_vd_libdv;
extern vd_functions_t mpcodecs_vd_lcl;
vd_functions_t* mpcodecs_vd_drivers[] = {
&mpcodecs_vd_null,
&mpcodecs_vd_cinepak,
&mpcodecs_vd_qtrpza,
#ifdef USE_LIBAVCODEC
&mpcodecs_vd_ffmpeg,
#endif
#ifdef USE_WIN32DLL
#ifdef USE_DIRECTSHOW
&mpcodecs_vd_dshow,
#endif
&mpcodecs_vd_vfw,
&mpcodecs_vd_vfwex,
#endif
#ifdef USE_DIVX
&mpcodecs_vd_odivx,
#ifdef NEW_DECORE
&mpcodecs_vd_divx4,
#endif
#endif
&mpcodecs_vd_raw,
&mpcodecs_vd_msrle,
&mpcodecs_vd_msvidc,
&mpcodecs_vd_fli,
&mpcodecs_vd_qtrle,
&mpcodecs_vd_qtsmc,
&mpcodecs_vd_roqvideo,
&mpcodecs_vd_cyuv,
&mpcodecs_vd_nuv,
#ifdef USE_XANIM
&mpcodecs_vd_xanim,
#endif
#ifdef HAVE_PNG
&mpcodecs_vd_mpng,
#endif
#ifdef HAVE_JPEG
&mpcodecs_vd_ijpg,
#endif
&mpcodecs_vd_mtga,
&mpcodecs_vd_libmpeg2,
&mpcodecs_vd_huffyuv,
&mpcodecs_vd_mpegpes,
#ifdef USE_REALCODECS
&mpcodecs_vd_realvid,
#endif
&mpcodecs_vd_svq1,
#ifdef HAVE_XVID
&mpcodecs_vd_xvid,
#endif
#ifdef HAVE_LIBDV095
&mpcodecs_vd_libdv,
#endif
&mpcodecs_vd_lcl,
NULL
};
#include "libvo/video_out.h"
// libvo opts:
int fullscreen=0;
int vidmode=0;
int softzoom=0;
int flip=-1;
int opt_screen_size_x=0;
int opt_screen_size_y=0;
float screen_size_xy=0;
float movie_aspect=-1.0;
int vo_flags=0;
int vd_use_slices=1;
extern vd_functions_t* mpvdec; // FIXME!
extern int divx_quality;
int mpcodecs_config_vo(sh_video_t *sh, int w, int h, unsigned int preferred_outfmt){
int i,j;
unsigned int out_fmt=0;
int screen_size_x=0;//SCREEN_SIZE_X;
int screen_size_y=0;//SCREEN_SIZE_Y;
// vo_functions_t* video_out=sh->video_out;
vf_instance_t* vf=sh->vfilter;
#if 1
if(!(sh->disp_w && sh->disp_h))
mp_msg(MSGT_DECVIDEO,MSGL_WARN, MSGTR_CodecDidNotSet);
/* XXX: HACK, if sh->disp_* aren't set,
* but we have w and h, set them :: atmos */
if(!sh->disp_w && w)
sh->disp_w=w;
if(!sh->disp_h && h)
sh->disp_h=h;
#endif
mp_msg(MSGT_DECVIDEO,MSGL_INFO,MSGTR_VoConfigRequest,w,h,vo_format_name(preferred_outfmt));
// if(!vf) return 1; // temp hack
if(get_video_quality_max(sh)<=0 && divx_quality){
// user wants postprocess but no pp filter yet:
sh->vfilter=vf=vf_open_filter(vf,"pp",NULL);
}
// check if libvo and codec has common outfmt (no conversion):
csp_again:
j=-1;
for(i=0;i<CODECS_MAX_OUTFMT;i++){
int flags;
out_fmt=sh->codec->outfmt[i];
if(out_fmt==(signed int)0xFFFFFFFF) continue;
flags=vf->query_format(vf,out_fmt);
mp_msg(MSGT_CPLAYER,MSGL_DBG2,"vo_debug: query(%s) returned 0x%X (i=%d) \n",vo_format_name(out_fmt),flags,i);
if((flags&2) || (flags && j<0)){
// check (query) if codec really support this outfmt...
sh->outfmtidx=j; // pass index to the control() function this way
if(mpvdec->control(sh,VDCTRL_QUERY_FORMAT,&out_fmt)==CONTROL_FALSE)
continue;
j=i; vo_flags=flags; if(flags&2) break;
}
}
if(j<0){
// TODO: no match - we should use conversion...
if(strcmp(vf->info->name,"scale")){
mp_msg(MSGT_DECVIDEO,MSGL_INFO,MSGTR_CouldNotFindColorspace);
vf=vf_open_filter(vf,"scale",NULL);
goto csp_again;
}
mp_msg(MSGT_CPLAYER,MSGL_WARN,MSGTR_VOincompCodec);
sh->vf_inited=-1;
return 0; // failed
}
out_fmt=sh->codec->outfmt[j];
mp_msg(MSGT_CPLAYER,MSGL_INFO,"VDec: using %s as output csp (no %d)\n",vo_format_name(out_fmt),j);
sh->outfmtidx=j;
sh->vfilter=vf;
// autodetect flipping
if(flip==-1){
flip=0;
if(sh->codec->outflags[j]&CODECS_FLAG_FLIP)
if(!(sh->codec->outflags[j]&CODECS_FLAG_NOFLIP))
flip=1;
}
if(vo_flags&VFCAP_FLIPPED) flip^=1;
if(flip && !(vo_flags&VFCAP_FLIP)){
// we need to flip, but no flipping filter avail.
sh->vfilter=vf=vf_open_filter(vf,"flip",NULL);
}
// time to do aspect ratio corrections...
if(movie_aspect>-1.0) sh->aspect = movie_aspect; // cmdline overrides autodetect
// if(!sh->aspect) sh->aspect=1.0;
if(opt_screen_size_x||opt_screen_size_y){
screen_size_x = opt_screen_size_x;
screen_size_y = opt_screen_size_y;
if(!vidmode){
if(!screen_size_x) screen_size_x=SCREEN_SIZE_X;
if(!screen_size_y) screen_size_y=SCREEN_SIZE_Y;
if(screen_size_x<=8) screen_size_x*=sh->disp_w;
if(screen_size_y<=8) screen_size_y*=sh->disp_h;
}
} else {
// check source format aspect, calculate prescale ::atmos
screen_size_x=sh->disp_w;
screen_size_y=sh->disp_h;
if(screen_size_xy>0){
if(screen_size_xy<=8){
// -xy means x+y scale
screen_size_x*=screen_size_xy;
screen_size_y*=screen_size_xy;
} else {
// -xy means forced width while keeping correct aspect
screen_size_x=screen_size_xy;
screen_size_y=screen_size_xy*sh->disp_h/sh->disp_w;
}
}
if(sh->aspect>0.01){
int w;
mp_msg(MSGT_CPLAYER,MSGL_INFO,MSGTR_MovieAspectIsSet,sh->aspect);
w=(int)((float)screen_size_y*sh->aspect); w+=w%2; // round
// we don't like horizontal downscale || user forced width:
if(w<screen_size_x || screen_size_xy>8){
screen_size_y=(int)((float)screen_size_x*(1.0/sh->aspect));
screen_size_y+=screen_size_y%2; // round
} else screen_size_x=w; // keep new width
} else {
mp_msg(MSGT_CPLAYER,MSGL_INFO,MSGTR_MovieAspectUndefined);
}
}
// Time to config libvo!
mp_msg(MSGT_CPLAYER,MSGL_V,"VO Config (%dx%d->%dx%d,flags=%d,'%s',0x%X)\n",
sh->disp_w,sh->disp_h,
screen_size_x,screen_size_y,
fullscreen|(vidmode<<1)|(softzoom<<2)|(flip<<3),
"MPlayer",out_fmt);
if(vf->config(vf,sh->disp_w,sh->disp_h,
screen_size_x,screen_size_y,
fullscreen|(vidmode<<1)|(softzoom<<2)|(flip<<3),
out_fmt)==0){
// "MPlayer",out_fmt)){
mp_msg(MSGT_CPLAYER,MSGL_WARN,MSGTR_CannotInitVO);
sh->vf_inited=-1;
return 0;
}
sh->vf_inited=1;
return 1;
}
// mp_imgtype: buffering type, see mp_image.h
// mp_imgflag: buffer requirements (read/write, preserve, stride limits), see mp_image.h
// returns NULL or allocated mp_image_t*
// Note: buffer allocation may be moved to mpcodecs_config_vo() later...
mp_image_t* mpcodecs_get_image(sh_video_t *sh, int mp_imgtype, int mp_imgflag, int w, int h){
mp_image_t* mpi=vf_get_image(sh->vfilter,sh->codec->outfmt[sh->outfmtidx],mp_imgtype,mp_imgflag,w,h);
mpi->x=mpi->y=0;
mpi->w=sh->disp_w;
mpi->h=sh->disp_h;
return mpi;
}
void mpcodecs_draw_slice(sh_video_t *sh, unsigned char** src, int* stride, int w,int h, int x, int y) {
struct vf_instance_s* vf = sh->vfilter;
if(vf->draw_slice)
vf->draw_slice(vf,src,stride,w,h,x,y);
}
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