Imported Upstream version 1.1.0upstream/1.1.0

1 files changed, 197 insertions, 0 deletions

diff --git a/test/test_sections.c b/test/test_sections.c
new file mode 100644
index 0000000..d567db0
--- /dev/null
+++ b/test/test_sections.c
@@ -0,0 +1,197 @@
+/* test_sections.c - Test for section filters.
+ * usage: DEMUX=/dev/dvb/adapterX/demuxX test_sections [PID [TID]]
+ *
+ * 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
+
+
+#if !defined(DMX_FILTER_SIZE)
+#define DMX_FILTER_SIZE 16
+#endif
+
+static void parse_filter(unsigned char* filter, const char* filter_desc)
+{
+        int filter_idx;
+        char* end_ptr;
+
+        memset(filter, '\0', DMX_FILTER_SIZE);
+
+        for (filter_idx = 1; /* Leave first byte for tid */
+             filter_idx < DMX_FILTER_SIZE-1; ++filter_idx) {
+                filter[filter_idx] = strtoul(filter_desc, &end_ptr, 0);
+
+                if (*end_ptr == '\0' || end_ptr == filter_desc)
+                        break;
+
+                filter_desc = end_ptr;
+        }
+}
+
+void usage(void)
+{
+	fprintf(stderr, "usage: test_sections PID [TID] [FILTER] [MASK]\n");
+	fprintf(stderr, "       The default demux device used can be changed\n");
+	fprintf(stderr, "       using the DEMUX environment variable;\n");
+	fprintf(stderr, "       set env BUFFER to play with DMX_SET_BUFFER_SIZE\n");
+        fprintf(stderr, "\n");
+        fprintf(stderr, "       The optional filter and mask may be used to filter on\n");
+        fprintf(stderr, "       additional bytes. These bytes may be given in hex or dec\n");
+        fprintf(stderr, "       separated by spaces (hint: you may have to use quotes around\n");
+        fprintf(stderr, "       FILTER and MASK). TID is always the first byte of the filter,\n");
+        fprintf(stderr, "       and the first byte from FILTER applies to byte 3 of the section\n");
+        fprintf(stderr, "       data (i.e. the first byte after the section length)\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 (errno != EOVERFLOW)
+			exit(1);
+	}
+	hex_dump(buf, bytes);
+	printf("\n");
+}
+
+int set_filter(int fd, unsigned int pid,
+               const unsigned char* filter, const unsigned char* mask)
+{
+	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;
+
+        memcpy(f.filter.filter, filter, DMX_FILTER_SIZE);
+        memcpy(f.filter.mask, mask, DMX_FILTER_SIZE);
+	f.timeout = 0;
+	f.flags = DMX_IMMEDIATE_START | DMX_CHECK_CRC;
+
+	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;
+	char * dmxdev = "/dev/dvb/adapter0/demux0";
+        unsigned char filter[DMX_FILTER_SIZE];
+        unsigned char mask[DMX_FILTER_SIZE];
+        int filter_idx;
+
+	if (argc < 2 || argc > 5)
+		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)
+                parse_filter(filter, argv[3]);
+        else
+                memset(filter, '\0', sizeof(filter));
+
+        if (argc > 4)
+                parse_filter(mask, argv[4]);
+        else
+                memset(mask, '\0', sizeof(mask));
+
+        if (tid < 0x100) {
+                filter[0] = tid;
+                mask[0]   = 0xff;
+        }
+
+	if (getenv("DEMUX"))
+		dmxdev = getenv("DEMUX");
+	fprintf(stderr, "test_sections: using '%s'\n", dmxdev);
+	fprintf(stderr, "  PID 0x%04lx\n", pid);
+	if (tid < 0x100)
+		fprintf(stderr, "  TID 0x%02lx\n", tid);
+
+
+        fprintf(stderr, "  Filter ");
+
+        for (filter_idx = 0; filter_idx < DMX_FILTER_SIZE; ++filter_idx)
+                fprintf(stderr, "0x%.2x ", filter[filter_idx]);
+        fprintf(stderr, "\n");
+
+        fprintf(stderr, "    Mask ");
+
+        for (filter_idx = 0; filter_idx < DMX_FILTER_SIZE; ++filter_idx)
+                fprintf(stderr, "0x%.2x ", mask[filter_idx]);
+
+        fprintf(stderr, "\n");
+        
+	if ((dmxfd = open(dmxdev, O_RDWR)) < 0){
+		perror("open");
+		return 1;
+	}
+
+	if (set_filter(dmxfd, pid, filter, mask) != 0)
+		return 1;
+
+	for (;;) {
+		process_section(dmxfd);
+	}
+
+	close(dmxfd);
+	return 0;
+}
+