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Diffstat (limited to 'test/sliced-vbi-detect.c')
-rw-r--r-- | test/sliced-vbi-detect.c | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/test/sliced-vbi-detect.c b/test/sliced-vbi-detect.c deleted file mode 100644 index 22c9c2461..000000000 --- a/test/sliced-vbi-detect.c +++ /dev/null @@ -1,144 +0,0 @@ -/* - Sliced vbi autodetection demonstration utility - Copyright (C) 2004 Hans Verkuil <hverkuil@xs4all.nl> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -/* This simple utility detects which VBI types are transmitted on - each field/line. It serves both as example source and as a tool to - test the sliced VBI implementation. - - Usage: sliced-vbi-detect [device] - Without a device name as argument it will fallback to /dev/vbi0. - */ - -#include <unistd.h> -#include <features.h> /* Uses _GNU_SOURCE to define getsubopt in stdlib.h */ -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <inttypes.h> -#include <getopt.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <errno.h> -#include <sys/ioctl.h> -#include <sys/time.h> -#include <math.h> - -#include <linux/videodev2.h> - -static void detect(int fh, struct v4l2_sliced_vbi_format *fmt) -{ - struct v4l2_sliced_vbi_data *buf = malloc(fmt->io_size); - int cnt; - - for (cnt = 0; cnt < 5; cnt++) { - int size = read(fh, buf, fmt->io_size); - int i; - - if (size <= 0) { - printf("size = %d\n", size); - break; - } - if (cnt == 0) - continue; - for (i = 0; i < size / sizeof(*buf); i++) { - int field, line; - - line = buf[i].line; - field = buf[i].field; - if (buf[i].id == 0) - continue; - if (line < 0 || line >= 24) { - printf("line %d out of range\n", line); - free(buf); - return; - } - fmt->service_lines[field][line] |= buf[i].id; - } - } - free(buf); -} - -void v2s(int id) -{ - switch (id) { - case V4L2_SLICED_TELETEXT_B: printf(" TELETEXT"); break; - case V4L2_SLICED_CAPTION_525: printf(" CC"); break; - case V4L2_SLICED_WSS_625: printf(" WSS"); break; - case V4L2_SLICED_VPS: printf(" VPS"); break; - default: printf(" UNKNOWN %x", id); break; - } -} - -int main(int argc, char **argv) -{ - char *device = "/dev/vbi0"; - struct v4l2_format vbifmt; - struct v4l2_sliced_vbi_format vbiresult; - int fh; - int f, i, b; - - if (argc == 2) - device = argv[1]; - fh = open(device, O_RDONLY); - - if (fh == -1) { - fprintf(stderr, "cannot open %s\n", device); - return 1; - } - memset(&vbiresult, 0, sizeof(vbiresult)); - for (i = 0; i < 16; i++) { - int l; - int set = 0; - - memset(&vbifmt, 0, sizeof(vbifmt)); - vbifmt.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE; - for (l = 0; l < 24; l++) { - vbifmt.fmt.sliced.service_lines[0][l] = 1 << i; - vbifmt.fmt.sliced.service_lines[1][l] = 1 << i; - } - if (ioctl(fh, VIDIOC_S_FMT, &vbifmt) < 0) { - if (errno == EINVAL) - continue; - perror("IVTV_IOC_S_VBI_FMT"); - exit(-1); - } - vbiresult.io_size = vbifmt.fmt.sliced.io_size; - for (l = 0; l < 24; l++) { - set |= vbifmt.fmt.sliced.service_lines[0][l] | - vbifmt.fmt.sliced.service_lines[1][l]; - } - detect(fh, &vbiresult); - } - close(fh); - for (f = 0; f < 2; f++) { - printf("Field %d:\n", f); - for (i = 6; i < 24; i++) { - unsigned set = vbiresult.service_lines[f][i]; - - printf(" Line %2d:", i); - for (b = 0; b < 16; b++) { - if (set & (1 << b)) - v2s(1 << b); - } - printf("\n"); - } - } - return 0; -} |