diff options
Diffstat (limited to 'test/test_sec_ne.c')
| -rw-r--r-- | test/test_sec_ne.c | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/test/test_sec_ne.c b/test/test_sec_ne.c new file mode 100644 index 0000000..9fcc8b3 --- /dev/null +++ b/test/test_sec_ne.c @@ -0,0 +1,165 @@ +/* test_sec_ne.c - Test for Not-Equal section filters. + * usage: DEMUX=/dev/dvb/adapterX/demuxX test_sec_ne pid [tid [tid_ext]] + * + * Copyright (C) 2002 convergence GmbH + * Johannes Stezenbach <js@convergence.de> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public License + * as published by the Free Software Foundation; either version 2.1 + * 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 Lesser 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. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <sys/ioctl.h> +#include <errno.h> + +#include <linux/dvb/dmx.h> + +#include "hex_dump.h" + +#define MAX_SECTION_SIZE 8192 + +static unsigned int version_number; + +void usage(void) +{ + fprintf(stderr, "usage: test_sec_ne pid [tid [tid_ext]]\n"); + fprintf(stderr, " Read the version_number from the first section\n"); + fprintf(stderr, " and sec a filter to wait for it to change.\n"); + fprintf(stderr, " The default demux device used can be changed\n"); + fprintf(stderr, " using the DEMUX environment variable;\n"); + exit(1); +} + + +void process_section(int fd) +{ + uint8_t buf[MAX_SECTION_SIZE]; + int bytes; + + bytes = read(fd, buf, sizeof(buf)); + if (bytes < 0) { + perror("read"); + if (bytes != ETIMEDOUT) + exit(1); + } + hex_dump(buf, bytes); + version_number = ((buf[5] >> 1) & 0x1f); + printf("current version_number: %u\n\n", version_number); +} + +int set_filter(int fd, unsigned int pid, unsigned int tid, + unsigned int tid_ext, unsigned int version_number) +{ + struct dmx_sct_filter_params f; + unsigned long bufsz; + + if (getenv("BUFFER")) { + bufsz=strtoul(getenv("BUFFER"), NULL, 0); + if (bufsz > 0 && bufsz <= MAX_SECTION_SIZE) { + fprintf(stderr, "DMX_SET_BUFFER_SIZE %lu\n", bufsz); + if (ioctl(fd, DMX_SET_BUFFER_SIZE, bufsz) == -1) { + perror("DMX_SET_BUFFER_SIZE"); + return 1; + } + } + } + memset(&f.filter, 0, sizeof(struct dmx_filter)); + f.pid = (uint16_t) pid; + if (tid < 0x100) { + f.filter.filter[0] = (uint8_t) tid; + f.filter.mask[0] = 0xff; + } + if (tid_ext < 0x10000) { + f.filter.filter[1] = (uint8_t) (tid_ext >> 8); + f.filter.filter[2] = (uint8_t) (tid_ext & 0xff); + f.filter.mask[1] = 0xff; + f.filter.mask[2] = 0xff; + } + if (version_number < 0x20) { + f.filter.filter[3] = (uint8_t) (version_number << 1); + f.filter.mask[3] = 0x3e; + f.filter.mode[3] = 0x3e; + } + f.timeout = 0; + f.flags = DMX_IMMEDIATE_START; + + if (ioctl(fd, DMX_SET_FILTER, &f) == -1) { + perror("DMX_SET_FILTER"); + return 1; + } + return 0; +} + + +int main(int argc, char *argv[]) +{ + int dmxfd; + unsigned long pid, tid, tid_ext; + char * dmxdev = "/dev/dvb/adapter0/demux0"; + + if (argc < 2 || argc > 4) + usage(); + + pid = strtoul(argv[1], NULL, 0); + if (pid > 0x1fff) + usage(); + if (argc > 2) { + tid = strtoul(argv[2], NULL, 0); + if (tid > 0xff) + usage(); + } else + tid = 0x100; + if (argc > 3) { + tid_ext = strtoul(argv[3], NULL, 0); + if (tid_ext > 0xffff) + usage(); + } else + tid_ext = 0x10000; + + if (getenv("DEMUX")) + dmxdev = getenv("DEMUX"); + fprintf(stderr, "test_sec_ne: using '%s'\n", dmxdev); + fprintf(stderr, " PID 0x%04lx\n", pid); + if (tid < 0x100) + fprintf(stderr, " TID 0x%02lx\n", tid); + if (tid_ext < 0x10000) + fprintf(stderr, " TID EXT 0x%04lx\n", tid_ext); + + if ((dmxfd = open(dmxdev, O_RDWR)) < 0){ + perror("open"); + return 1; + } + + if (set_filter(dmxfd, pid, tid, tid_ext, 0xff) != 0) + return 1; + process_section(dmxfd); + while (1) { + if (set_filter(dmxfd, pid, tid, tid_ext, version_number) != 0) + return 1; + process_section(dmxfd); + } + for (;;) { + process_section(dmxfd); + } + + close(dmxfd); + return 0; +} + |