Added the -geometry option (supports fbdev and tdfxfb drivers)

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@7867 b3059339-0415-0410-9bf9-f77b7e298cf2

DOCS/mplayer.1

@@ -1048,6 +1048,27 @@ See also \-zoom.
 .B \-fsmode-dontuse <0-31> (OBSOLETE) (use \-fs option)
 Try this option if you still experience fullscreen problems.
 .TP
+.B \-geometry x[%][:y[%]]
+Adjust where the output is on the screen initially. The x and y specifications
+are in pixels measured from the top-right of the screen to the top-right of the
+image being displayed, however if a percentage sign is given after the argument
+it turns the value into a percentage of the screen size in that direction. The
+values given must be integers. Examples:
+
+.PD 0
+.RSs
+.IPs 50:40
+Places the window at x=50, y=40
+.IPs 50%:50%
+Places the window in the middle of the screen
+.IPs 100%
+Places the window at the top left corner of the screen
+.IPs 100%:100%
+Places the window at the bottom left corner of the screen
+.RE
+.PD 1
+.
+.TP
 .B \-hue <\-100\ \-\ 100>
 Adjust hue of video signal (default: 0).
 You can get colored negative of image with this option.

cfg-mplayer.h

@@ -58,6 +58,7 @@ extern int vo_gamma_brightness;
 extern int vo_gamma_saturation;
 extern int vo_gamma_contrast;
 extern int vo_gamma_hue;
+extern char *vo_geometry;
 
 extern int opt_screen_size_x;
 extern int opt_screen_size_y;
@@ -239,6 +240,8 @@ static config_t mplayer_opts[]={
 	// set screen dimensions (when not detectable or virtual!=visible)
 	{"screenw", &vo_screenwidth, CONF_TYPE_INT, CONF_RANGE, 0, 4096, NULL},
 	{"screenh", &vo_screenheight, CONF_TYPE_INT, CONF_RANGE, 0, 4096, NULL},
+	// Geometry string
+	{"geometry", &vo_geometry, CONF_TYPE_STRING, 0, 0, 0, NULL},
 	// set aspect ratio of monitor - usefull for 16:9 TVout
 	{"monitoraspect", &monitor_aspect, CONF_TYPE_FLOAT, CONF_RANGE, 0.2, 3.0, NULL},
 	// video mode switching: (x11,xv,dga)

libvo/Makefile

@@ -3,7 +3,7 @@ include config.mak
 
 LIBNAME = libvo.a
 
-SRCS=aspect.c aclib.c osd.c font_load.c gtf.c spuenc.c video_out.c vo_null.c vo_pgm.c vo_md5.c vo_mpegpes.c vo_yuv4mpeg.c $(OPTIONAL_SRCS) sub.c font_load_ft.c
+SRCS=geometry.c aspect.c aclib.c osd.c font_load.c gtf.c spuenc.c video_out.c vo_null.c vo_pgm.c vo_md5.c vo_mpegpes.c vo_yuv4mpeg.c $(OPTIONAL_SRCS) sub.c font_load_ft.c
 OBJS=$(SRCS:.c=.o)
 
 ifeq ($(VIDIX),yes)

libvo/geometry.c

@@ -0,0 +1,80 @@
+/* This file (C) Mark Zealey <mark@zealos.org> 2002, released under GPL */
+
+#include "geometry.h"
+#include "../mp_msg.h"
+#include <string.h>
+
+/* A string of the form xpos[%]:ypos[%] */
+char *vo_geometry = NULL;
+
+int geometry_error()
+{
+	mp_msg(MSGT_VO, MSGL_ERR, "-geometry option format incorrect (%s)\n", vo_geometry);
+	exit_player(NULL);		/* ????? what else could we do ? */
+	return 0;
+}
+
+int get_num(char *s, int *num, char *end)
+{
+	char *e;
+	long int t;
+
+	t = strtol(s, &e, 10);
+
+	if(e != end)
+		return 0;
+
+	*num = t;
+	return 1;
+}
+
+int geometry(int *xpos, int *ypos, int scrw, int scrh, int vidw, int vidh, int fs)
+{
+	int xper = 0, yper = 0;
+	int glen;
+	char *colpos;
+
+	*xpos = 0; *ypos = 0;
+
+	if(vo_geometry == NULL)
+		return 1;
+
+	glen = strlen(vo_geometry);
+	colpos = strchr(vo_geometry, ':');
+	if(colpos == NULL)
+		colpos = (char *)(vo_geometry + glen);
+
+	/* Parse the x bit */
+	if(colpos[-1] == '%') {
+		if(!get_num(vo_geometry, &xper, colpos - 1))
+			return geometry_error();
+	} else {
+		if(!get_num(vo_geometry, xpos, colpos))
+			return geometry_error();
+	}
+
+	if(*colpos != '\0')
+		if(vo_geometry[glen - 1] == '%') {
+			if(!get_num(colpos + 1, &yper, vo_geometry + glen - 1))
+				return geometry_error();
+		} else {
+			if(!get_num(colpos + 1, ypos, vo_geometry + glen))
+				return geometry_error();
+		}
+
+	if(xper)
+		*xpos = (scrw - vidw) * ((float)xper / 100.0);
+	if(yper)
+		*ypos = (scrh - vidh) * ((float)yper / 100.0);
+
+	if(*xpos + vidw > scrw) {
+		mp_msg(MSGT_VO, MSGL_ERR, "X position is too large\n");
+		return geometry_error();
+	}
+	if(*ypos + vidh > scrh) {
+		mp_msg(MSGT_VO, MSGL_ERR, "Y position is too large\n");
+		return geometry_error();
+	}
+
+	return 1;
+}

libvo/geometry.h

@@ -0,0 +1,10 @@
+/* This file (C) Mark Zealey <mark@zealos.org 2002, released under GPL */
+#ifndef __GEOMETRY_H
+#define __GEOMETRY_H
+
+#include "aspect.h"
+
+extern char *vo_geometry;
+int geometry(int *xpos, int *ypos, int scrw, int scrh, int vidw, int vidh, int fs);
+
+#endif /* !__GEOMETRY_H */

libvo/vo_fbdev.c

@@ -1037,12 +1037,8 @@ static uint32_t config(uint32_t width, uint32_t height, uint32_t d_width,
 		image_width=width;
 		image_height=height;
 	    }
-		if(fb_xres > image_width)
-		    x_offset = (fb_xres - image_width) / 2;
-		else x_offset = 0;
-		if(fb_yres > image_height)
-		    y_offset = (fb_yres - image_height) / 2;
-		else y_offset = 0;
+		geometry(&x_offset,&y_offset,fb_xres,fb_yres,image_width,image_height);
+
 		if(vidix_init(width,height,x_offset,y_offset,image_width,
 			    image_height,format,fb_bpp,
 			    fb_xres,fb_yres) != 0)
@@ -1058,13 +1054,18 @@ static uint32_t config(uint32_t width, uint32_t height, uint32_t d_width,
 	else
 #endif
 	{
+	    int x_offset,y_offset;
 	    if ((frame_buffer = (uint8_t *) mmap(0, fb_size, PROT_READ | PROT_WRITE,
 				    MAP_SHARED, fb_dev_fd, 0)) == (uint8_t *) -1) {
 		printf(FBDEV "Can't mmap %s: %s\n", fb_dev_name, strerror(errno));
 		return 1;
 	    }
+
+	    geometry(&x_offset,&y_offset,fb_xres,fb_yres,out_width,out_height);
+
 	    L123123875 = frame_buffer + (out_width - in_width) * fb_pixel_size /
-		    2 + ( (out_height - in_height) / 2 ) * fb_line_len;
+		    2 + ( (out_height - in_height) / 2 ) * fb_line_len +
+		    x_offset * fb_pixel_size + y_offset * fb_line_len;
 
 	    if (verbose > 0) {
 		if (verbose > 1) {

libvo/vo_tdfxfb.c

@@ -15,6 +15,7 @@
  * 13/04/02: Fix rough OSD stuff by rendering it straight onto the output
  * buffer. Added double-buffering. Supports hardware zoom/reduce zoom modes.
  * 13/04/02: Misc cleanups of the code.
+ * 22/10/02: Added geometry support to it
  *
  * Hints and tricks:
  * - Use -dr to get direct rendering
@@ -22,7 +23,8 @@
  * - To get a black background and nice smooth OSD, use -double
  * - To get the console as a background, but with scaled OSD, use -nodouble
  * - The driver supports both scaling and shrinking the image using the -x and
- *   -y options on the mplayer commandline.
+ *   -y options on the mplayer commandline. Also repositioning via the -geometry
+ *   option.
  */
 
 #include <stdio.h>
@@ -200,15 +202,9 @@ static void clear_screen()
 /* Setup output screen dimensions etc */
 static void setup_screen(uint32_t full)
 {
+	aspect(&vidwidth, &vidheight, full ? A_ZOOM : A_NOZOOM);
+	geometry(&vidx, &vidy, screenwidth, screenheight, vidwidth, vidheight, full);
 	vo_fs = full;
-
-	aspect(&vidwidth,&vidheight, vo_fs ? A_ZOOM : A_NOZOOM);
-	if(vo_fs) {
-	  vidx = (screenwidth - vidwidth) / 2;
-	  vidy = (screenheight - vidheight) / 2;
-	} else
-	  vidx = vidy = 0;
-
 	clear_screen();
 }