mpv/libvo/vo_pgm.c

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2.1 KiB
C
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#define DISP
/*
* video_out_pgm.c, pgm interface
*
*
* Copyright (C) 1996, MPEG Software Simulation Group. All Rights Reserved.
*
* Hacked into mpeg2dec by
*
* Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
*
* 15 & 16 bpp support added by Franck Sicard <Franck.Sicard@solsoft.fr>
*
* Xv image suuport by Gerd Knorr <kraxel@goldbach.in-berlin.de>
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "config.h"
#include "video_out.h"
#include "video_out_internal.h"
LIBVO_EXTERN (pgm)
static vo_info_t vo_info =
{
"PGM file",
"pgm",
"walken",
""
};
static int image_width;
static int image_height;
static char header[1024];
static int framenum = -2;
static uint32_t
init(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint32_t fullscreen, char *title, uint32_t format)
{
image_height = height;
image_width = width;
sprintf (header, "P5\n\n%d %d\n255\n", width, height*3/2);
return 0;
}
static const vo_info_t*
get_info(void)
{
return &vo_info;
}
static void flip_page (void)
{
}
static uint32_t draw_slice(uint8_t *image[], int stride[], int w,int h,int x,int y)
//static uint32_t draw_slice(uint8_t * src[], uint32_t slice_num)
{
return 0;
}
uint32_t output_pgm_frame (char * fname, uint8_t * src[])
{
FILE * f;
int i;
f = fopen (fname, "wb");
if (f == NULL) return 1;
fwrite (header, strlen (header), 1, f);
fwrite (src[0], image_width, image_height, f);
for (i = 0; i < image_height/2; i++) {
fwrite (src[1]+i*image_width/2, image_width/2, 1, f);
fwrite (src[2]+i*image_width/2, image_width/2, 1, f);
}
fclose (f);
return 0;
}
static uint32_t draw_frame(uint8_t * src[])
{
char buf[100];
if (++framenum < 0)
return 0;
sprintf (buf, "%d.pgm", framenum);
return output_pgm_frame (buf, src);
}
static uint32_t
query_format(uint32_t format)
{
// switch(format){
// case IMGFMT_YV12:
// case IMGFMT_RGB|24:
// case IMGFMT_BGR|24:
// return 1;
// }
return 0;
}
static void
uninit(void)
{
}
static void check_events(void)
{
}