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Monitor aspect stuff.

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@2054 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
atmos4 2001-10-03 14:41:53 +00:00
parent d276fe5634
commit abb7153e94
3 changed files with 51 additions and 0 deletions
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4
cfg-mplayer.h
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@ -64,6 +64,9 @@ extern int dvd_angle;
extern char * skinName;
#endif
/* from libvo/aspect.c */
extern float monitor_aspect;
/*
* CONF_TYPE_FUNC_FULL :
* allows own implemtations for passing the params
@ -212,6 +215,7 @@ struct config conf[]={
{"xy", &screen_size_xy, CONF_TYPE_INT, CONF_RANGE, 0, 4096},
{"aspect", &movie_aspect, CONF_TYPE_FLOAT, CONF_RANGE, 0.2, 3.0},
{"noaspect", &movie_aspect, CONF_TYPE_FLAG, 0, 0, 0},
{"monitoraspect", &monitor_aspect, CONF_TYPE_FLOAT, CONF_RANGE, 0.2, 3.0},
{"vm", &vidmode, CONF_TYPE_FLAG, 0, 0, 1},
{"novm", &vidmode, CONF_TYPE_FLAG, 0, 1, 0},
{"fs", &fullscreen, CONF_TYPE_FLAG, 0, 0, 1},

32
libvo/aspect.c Normal file
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@ -0,0 +1,32 @@
/* Stuff for correct aspect scaling. */
#include "aspect.h"
float monitor_aspect=4.0/3.0;
/* aspect is called with the source resolution and the
* resolution, that the scaled image should fit into
*/
rect_t aspect(int srcw, int srch, int fitinw, int fitinh){
rect_t r,z;
r.w=fitinw;
r.x=0;
r.h=(int)(((float)fitinw / (float)srcw * (float)srch)
* ((float)fitinh/((float)fitinw/monitor_aspect)));
r.h+=r.h%2; // round
r.y=(fitinh-r.h)/2;
z=r;
//printf("aspect rez x: %d y: %d wh: %dx%d\n",r.x,r.y,r.w,r.h);
if(r.h>fitinh || r.h<srch){
r.h=fitinh;
r.y=0;
r.w=(int)(((float)fitinh / (float)srch * (float)srcw)
* ((float)fitinw/((float)fitinh/(1/monitor_aspect))));
r.w+=r.w%2; // round
r.x=(fitinw-r.w)/2;
}
if(r.w>fitinw) r=z;
//printf("aspect ret x: %d y: %d wh: %dx%d\n",r.x,r.y,r.w,r.h);
return r;
}

15
libvo/aspect.h Normal file
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@ -0,0 +1,15 @@
#ifndef __ASPECT_H
#define __ASPECT_H
/* Stuff for correct aspect scaling. */
typedef struct {
int x; /* x,y starting coordinate */
int y; /* of upper left corner */
int w; /* width */
int h; /* height */
} rect_t;
rect_t aspect(int srcw, int srch, int fitinw, int fitinh);
#endif