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https://github.com/mpv-player/mpv
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e3b183dc3f
- fix bad sscanf usage in geometry.c git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@15059 b3059339-0415-0410-9bf9-f77b7e298cf2
97 lines
3.0 KiB
C
97 lines
3.0 KiB
C
/* This file (C) Mark Zealey <mark@zealos.org> 2002, released under GPL */
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#include <stdio.h>
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#include <string.h>
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#include "geometry.h"
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#include "mp_msg.h"
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/* A string of the form [WxH][+X+Y] or xpos[%]:ypos[%] */
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char *vo_geometry = NULL;
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// set when either width or height is changed
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int geometry_wh_changed = 0;
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int geometry_xy_changed = 0;
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#define RESET_GEOMETRY width = height = xoff = yoff = xper = yper = -1;
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// xpos,ypos: position of the left upper corner
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// widw,widh: width and height of the window
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// scrw,scrh: width and height of the current screen
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int geometry(int *xpos, int *ypos, int *widw, int *widh, int scrw, int scrh)
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{
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int width, height, xoff, yoff, xper, yper;
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width = height = xoff = yoff = xper = yper = -1;
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if(vo_geometry != NULL) {
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if(sscanf(vo_geometry, "%ix%i+%i+%i", &width, &height, &xoff, &yoff) != 4 )
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{
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RESET_GEOMETRY
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if(sscanf(vo_geometry, "%ix%i", &width, &height) != 2)
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{
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RESET_GEOMETRY
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if(sscanf(vo_geometry, "+%i+%i", &xoff, &yoff) != 2)
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{
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char percent[2];
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RESET_GEOMETRY
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if(sscanf(vo_geometry, "%i%%:%i%1[%]", &xper, &yper, percent) != 3)
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{
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RESET_GEOMETRY
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if(sscanf(vo_geometry, "%i:%i%1[%]", &xoff, &yper, percent) != 3)
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{
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RESET_GEOMETRY
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if(sscanf(vo_geometry, "%i%%:%i", &xper, &yoff) != 2)
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{
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RESET_GEOMETRY
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if(sscanf(vo_geometry, "%i:%i", &xoff, &yoff) != 2)
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{
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RESET_GEOMETRY
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if(sscanf(vo_geometry, "%i%1[%]", &xper, percent) != 2)
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{
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mp_msg(MSGT_VO, MSGL_ERR,
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"-geometry must be in [WxH][+X+Y] | [X[%%]:[Y[%%]]] format, incorrect (%s)\n", vo_geometry);
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return 0;
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}
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}
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}
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}
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}
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}
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}
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}
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mp_msg(MSGT_VO, MSGL_V,"geometry set to width: %i,"
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"height: %i, xoff: %i, yoff: %i, xper: %i, yper: %i\n",
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width, height, xoff, yoff, xper, yper);
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if(xper >= 0 && xper <= 100) xoff = (scrw - *widw) * ((float)xper / 100.0);
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if(yper >= 0 && yper <= 100) yoff = (scrh - *widh) * ((float)yper / 100.0);
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mp_msg(MSGT_VO, MSGL_V,"geometry set to width: %i,"
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"height: %i, xoff: %i, yoff: %i, xper: %i, yper: %i\n",
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width, height, xoff, yoff, xper, yper);
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mp_msg(MSGT_VO, MSGL_V,"geometry window parameter: widw: %i,"
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" widh: %i, scrw: %i, scrh: %i\n",*widw, *widh, scrw, scrh);
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/* FIXME: better checking of bounds... */
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if( width != -1 && (width < 0 || width > scrw))
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width = (scrw < *widw) ? scrw : *widw;
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if( height != -1 && (height < 0 || height > scrh))
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height = (scrh < *widh) ? scrh : *widh;
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if(xoff != -1 && (xoff < 0 || xoff + width > scrw)) xoff = 0;
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if(yoff != -1 && (yoff < 0 || yoff + height > scrh)) yoff = 0;
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if(xoff != -1 && xpos) *xpos = xoff;
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if(yoff != -1 && ypos) *ypos = yoff;
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if(width != -1 && widw) *widw = width;
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if(height != -1 && widh) *widh = height;
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if( width != -1 || height != -1)
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geometry_wh_changed = 1;
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if( xoff != -1 || yoff != -1)
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geometry_xy_changed = 1;
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}
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return 1;
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}
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#undef RESET_GEOMETRY
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