Imported Upstream version 1.1.0upstream/1.1.0

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;
+}
+