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/*
* output through mga_vid kernel driver
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "config.h"
#include "video_out.h"
#include "video_out_internal.h"
#include <sys/ioctl.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <linux/fb.h>
#include "drivers/mga_vid.h"
#include "sub.h"
#include "aspect.h"
static vo_info_t info =
{
"Matrox G200/G4x0/G550 overlay (/dev/mga_vid)",
"mga",
"A'rpi",
"Based on some code by Aaron Holtzman <aholtzma@ess.engr.uvic.ca>"
};
LIBVO_EXTERN(mga)
#include "mga_common.c"
#define FBDEV "/dev/fb0"
static uint32_t config(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint32_t fullscreen, char *title, uint32_t format)
{
// if (f >= 0) mga_uninit();
if(!vo_screenwidth || !vo_screenheight) {
int fd;
struct fb_var_screeninfo fbinfo;
if(-1 != (fd = open(FBDEV, O_RDONLY))) {
if(0 == ioctl(fd, FBIOGET_VSCREENINFO, &fbinfo)) {
if(!vo_screenwidth) vo_screenwidth = fbinfo.xres;
if(!vo_screenheight) vo_screenheight = fbinfo.yres;
} else {
perror("FBIOGET_VSCREENINFO");
}
close(fd);
} else {
perror(FBDEV);
}
}
if(vo_screenwidth && vo_screenheight){
aspect_save_orig(width,height);
aspect_save_prescale(d_width,d_height);
aspect_save_screenres(vo_screenwidth,vo_screenheight);
if(fullscreen&0x01) { /* -fs */
aspect(&d_width,&d_height,A_ZOOM);
vo_fs = VO_TRUE;
} else {
aspect(&d_width,&d_height,A_NOZOOM);
vo_fs = VO_FALSE;
}
printf("vo_mga aspect(): resized to %dx%d\n",d_width,d_height);
}
vo_dwidth=d_width; vo_dheight=d_height;
mga_vid_config.dest_width = d_width;
mga_vid_config.dest_height= d_height;
mga_vid_config.x_org= 0; // (720-mga_vid_config.dest_width)/2;
mga_vid_config.y_org= 0; // (576-mga_vid_config.dest_height)/2;
if(vo_screenwidth && vo_screenheight){
mga_vid_config.x_org=(vo_screenwidth-d_width)/2;
mga_vid_config.y_org=(vo_screenheight-d_height)/2;
}
return mga_init(width,height,format);
}
static void uninit(void)
{
printf("vo: uninit!\n");
mga_uninit();
}
static void flip_page(void)
{
vo_mga_flip_page();
}
static void check_events(void)
{
}
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