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authorMark Purcell <msp@debian.org>2012-01-05 18:02:19 +1100
committeretobi <git@e-tobi.net>2013-09-03 09:48:50 +0200
commit1b69be1bfeb8a135b83d1b4950bc72cc2f866339 (patch)
tree0208563f86c100717fa8e9111bc32dea3be3439d /test/video.c
parentcad92a119d718c8bcd70e85865e08e66010f9347 (diff)
parent76c08672bc6c2984ebd7045a71862099890c9118 (diff)
downloadlinux-dvb-apps-1b69be1bfeb8a135b83d1b4950bc72cc2f866339.tar.gz
Imported Debian patch 1.1.1+rev1457-1debian/1.1.1+rev1457-1
Diffstat (limited to 'test/video.c')
-rw-r--r--test/video.c182
1 files changed, 0 insertions, 182 deletions
diff --git a/test/video.c b/test/video.c
deleted file mode 100644
index fae421e..0000000
--- a/test/video.c
+++ /dev/null
@@ -1,182 +0,0 @@
-#define USAGE \
-"\n" \
-"\n A tiny video watching application, just starts capturing /dev/video" \
-"\n into /dev/fb0." \
-"\n Be shure to have >8Bit/pixel color resolution and r/w access for " \
-"\n /dev/video0, /dev/fb0 and /dev/tty0 to let this work..." \
-"\n" \
-"\n compile with" \
-"\n" \
-"\n $ gcc -g -Wall -O2 -o video video.c -I../../ost/include" \
-"\n"
-
-#include <sys/mman.h>
-#include <sys/ioctl.h>
-#include <sys/types.h>
-#include <sys/time.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <linux/fb.h>
-#include <linux/videodev.h>
-
-#define VIDEO_DEV "/dev/video0"
-#define FB_DEV "/dev/fb0"
-#define VT_DEV "/dev/tty0"
-
-static char *video_devname = VIDEO_DEV;
-
-#define min(a,b) (a) < (b) ? (a) : (b)
-
-static int zero = 0;
-static int one = 1;
-
-static struct fb_var_screeninfo fb_var;
-static struct fb_fix_screeninfo fb_fix;
-
-
-int init_fb (void)
-{
- const char blankoff_str[] = "\033[9;0]";
- int fd, vt_fd;
-
- fd = open (FB_DEV, O_RDWR);
- if (fd < 0) {
- perror("Could not open " FB_DEV ", please check permissions\n");
- return 1;
- }
-
- if ((vt_fd = open( VT_DEV, O_RDWR )) < 0) {
- perror("Could not open " VT_DEV ", please check permissions\n");
- return 1;
- }
-
- write( vt_fd, blankoff_str, strlen(blankoff_str) );
-
- if (ioctl (fd, FBIOGET_VSCREENINFO, &fb_var) < 0) {
- perror("Could not get variable screen information (fb_var)\n");
- return 1;
- }
-
- if (ioctl (fd, FBIOGET_FSCREENINFO, &fb_fix) < 0) {
- perror("Could not get fixed screen information (fb_fix)\n");
- return 1;
- }
-
- close (fd);
- return 0;
-}
-
-
-int init_video (int stop)
-{
- int fd;
- struct video_capability vcap;
-
- if ((fd = open (video_devname, O_RDWR)) < 0) {
- fprintf (stderr,
- "%s: Could not open %s, please check permissions\n",
- __FUNCTION__, video_devname);
- return -1;
- }
-
- ioctl(fd, VIDIOCGCAP, &vcap);
-
- if (ioctl(fd, VIDIOCCAPTURE, &zero) < 0) {
- perror("Could not stop capturing (VIDIOCCAPTURE failed)\n");
- return -2;
- }
-
- if (stop)
- return 0;
-
- {
- struct video_buffer b;
- b.base = (void*) fb_fix.smem_start;
- b.width = fb_var.xres;
- b.height = fb_var.yres;
- b.depth = fb_var.bits_per_pixel;
- b.bytesperline = fb_var.xres*((fb_var.bits_per_pixel+7)/8);
- if (ioctl(fd, VIDIOCSFBUF, &b) < 0) {
- fprintf(stderr, "VIDIOCSFBUF failed, must run as root?\n");
- return -3;
- }
- }
-
- {
- struct video_picture p;
- if (ioctl(fd, VIDIOCGPICT, &p) < 0) {
- perror("VIDIOCGPICT failed\n");
- return -4;
- }
- p.depth = fb_var.bits_per_pixel;
- switch (fb_var.bits_per_pixel) {
- case 16:
- p.palette = VIDEO_PALETTE_RGB565;
- break;
- case 24:
- p.palette = VIDEO_PALETTE_RGB24;
- break;
- case 32:
- p.palette = VIDEO_PALETTE_RGB32;
- break;
- }
- //p.contrast = 0x8000;
- //p.colour = 0x6000;
- if (ioctl(fd, VIDIOCSPICT, &p) < 0) {
- perror("VIDIOCSPICT failed\n");
- return -5;
- }
- }
-
- {
- struct video_window win;
- win.width = min((__u32) vcap.maxwidth, fb_var.xres);
- win.height = min((__u32) vcap.maxheight, fb_var.yres);
- win.x = 0;
- win.y = 0;
- win.flags = 0;
- win.clips = NULL;
- win.clipcount = 0;
- win.chromakey = 0;
- if (ioctl(fd, VIDIOCSWIN, &win) < 0) {
- perror("VIDIOCSWIN failed\n");
- return -6;
- }
- }
-
- if (ioctl(fd, VIDIOCCAPTURE, &one) < 0) {
- perror("Could not start capturing (VIDIOCCAPTURE failed)\n");
- return -7;
- }
-
- close (fd);
-
- return 0;
-}
-
-int main (int argc, char **argv)
-{
- int err = 0, stop = 0;
-
- if ((err = init_fb()))
- return err;
-
- if ((argc == 2 && strcmp(argv[1], "stop") == 0) ||
- (argc == 3 && strcmp(argv[2], "stop") == 0))
- stop = 1;
-
- if ((argc == 2 && !stop) || argc == 3)
- video_devname = argv[1];
-
- if (argc != 1 && argc != 2 && !(argc == 3 && stop)) {
- fprintf(stderr, "usage: %s <devname> <stop>\n" USAGE, argv[0]);
- exit (-1);
- }
-
- return init_video (stop);
-}