aboutsummaryrefslogtreecommitdiffstats
path: root/lib/libucsi/dvb/multilingual_service_name_descriptor.h
diff options
context:
space:
mode:
authorMark Purcell <msp@debian.org>2008-06-22 11:00:40 +1000
committeretobi <git@e-tobi.net>2013-09-03 09:48:42 +0200
commit891c51ff368ed700dec6025eeb47ce4d96f76418 (patch)
tree3729664829e4faa691d403274f38eb10890b533c /lib/libucsi/dvb/multilingual_service_name_descriptor.h
parent1c6e1f28f54ec2606c23936c1d8689f2be55a86c (diff)
parentab959d7b4194715870128e616b8e29d4a101e488 (diff)
downloadlinux-dvb-apps-891c51ff368ed700dec6025eeb47ce4d96f76418.tar.gz
Imported Debian patch 1.1.1+rev1207-1debian/1.1.1+rev1207-1
Diffstat (limited to 'lib/libucsi/dvb/multilingual_service_name_descriptor.h')
-rw-r--r--lib/libucsi/dvb/multilingual_service_name_descriptor.h197
1 files changed, 197 insertions, 0 deletions
diff --git a/lib/libucsi/dvb/multilingual_service_name_descriptor.h b/lib/libucsi/dvb/multilingual_service_name_descriptor.h
new file mode 100644
index 0000000..31bb9c3
--- /dev/null
+++ b/lib/libucsi/dvb/multilingual_service_name_descriptor.h
@@ -0,0 +1,197 @@
+/*
+ * section and descriptor parser
+ *
+ * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
+ * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
+ *
+ * This library 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 library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef _UCSI_DVB_MULTILINGUAL_SERVICE_NAME_DESCRIPTOR
+#define _UCSI_DVB_MULTILINGUAL_SERVICE_NAME_DESCRIPTOR 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/descriptor.h>
+#include <libucsi/endianops.h>
+#include <libucsi/types.h>
+
+/**
+ * dvb_multilingual_service_name_descriptor structure.
+ */
+struct dvb_multilingual_service_name_descriptor {
+ struct descriptor d;
+
+ /* struct dvb_multilingual_service_name names[] */
+} __ucsi_packed;
+
+/**
+ * An entry in the service_names field of a dvb_multilingual_service_name_descriptor.
+ */
+struct dvb_multilingual_service_name {
+ iso639lang_t language_code;
+ uint8_t service_provider_name_length;
+ /* uint8_t service_provider_name[] */
+ /* struct dvb_multilingual_service_name_part2 part2 */
+} __ucsi_packed;
+
+/**
+ * Second part of a dvb_multilingual_service_name following the variable length
+ * service_provider_name.
+ */
+struct dvb_multilingual_service_name_part2 {
+ uint8_t service_name_length;
+ /* uint8_t service_name[] */
+} __ucsi_packed;
+
+/**
+ * Process a dvb_multilingual_service_name_descriptor.
+ *
+ * @param d Generic descriptor pointer.
+ * @return dvb_multilingual_service_name_descriptor pointer, or NULL on error.
+ */
+static inline struct dvb_multilingual_service_name_descriptor*
+ dvb_multilingual_service_name_descriptor_codec(struct descriptor* d)
+{
+ uint8_t* buf = (uint8_t*) d + 2;
+ uint32_t pos = 0;
+ uint32_t len = d->len;
+
+ while(pos < len) {
+ struct dvb_multilingual_service_name *e =
+ (struct dvb_multilingual_service_name*) (buf+pos);
+ struct dvb_multilingual_service_name_part2 *e2;
+
+ pos += sizeof(struct dvb_multilingual_service_name);
+
+ if (pos > len)
+ return NULL;
+
+ pos += e->service_provider_name_length;
+
+ if (pos > len)
+ return NULL;
+
+ e2 = (struct dvb_multilingual_service_name_part2*) (buf+pos);
+
+ pos += sizeof(struct dvb_multilingual_service_name_part2);
+
+ if (pos > len)
+ return NULL;
+
+ pos += e2->service_name_length;
+
+ if (pos > len)
+ return NULL;
+ }
+
+ return (struct dvb_multilingual_service_name_descriptor*) d;
+}
+
+/**
+ * Iterator for entries in the service_name field of a dvb_multilingual_service_name_descriptor.
+ *
+ * @param d dvb_multilingual_service_name_descriptor pointer,
+ * @param pos Variable containing pointer to the current dvb_multilingual_service_name.
+ */
+#define dvb_multilingual_service_name_descriptor_names_for_each(d, pos) \
+ for ((pos) = dvb_multilingual_service_name_descriptor_names_first(d); \
+ (pos); \
+ (pos) = dvb_multilingual_service_name_descriptor_names_next(d, pos))
+
+/**
+ * Accessor for the service_provider_name field of a dvb_multilingual_service_name.
+ *
+ * @param e dvb_multilingual_service_name pointer.
+ * @return Pointer to the field.
+ */
+static inline uint8_t *
+ dvb_multilingual_service_name_service_provider_name(struct dvb_multilingual_service_name *e)
+{
+ return (uint8_t *) e + sizeof(struct dvb_multilingual_service_name);
+}
+
+/**
+ * Accessor for the dvb_multilingual_service_name_part2 - second part of a
+ * dvb_multilingual_service_name following the service_name field.
+ *
+ * @param e dvb_multilingual_service_name Pointer.
+ * @return dvb_multilingual_service_name_part2 pointer.
+ */
+static inline struct dvb_multilingual_service_name_part2 *
+ dvb_multilingual_service_name_part2(struct dvb_multilingual_service_name *e)
+{
+ return (struct dvb_multilingual_service_name_part2 *)
+ ((uint8_t *) e + sizeof(struct dvb_multilingual_service_name) +
+ e->service_provider_name_length);
+}
+
+/**
+ * Accessor for the service_name field of a dvb_multilingual_service_name_part2.
+ *
+ * @param e dvb_multilingual_service_name_part2 pointer.
+ * @return Pointer to the field.
+ */
+static inline uint8_t *
+ dvb_multilingual_service_name_service_name(struct dvb_multilingual_service_name_part2 *e)
+{
+ return (uint8_t *) e + sizeof(struct dvb_multilingual_service_name_part2);
+}
+
+
+
+
+
+
+
+
+
+
+/******************************** PRIVATE CODE ********************************/
+static inline struct dvb_multilingual_service_name*
+ dvb_multilingual_service_name_descriptor_names_first(struct dvb_multilingual_service_name_descriptor *d)
+{
+ if (d->d.len == 0)
+ return NULL;
+
+ return (struct dvb_multilingual_service_name *)
+ ((uint8_t*) d + sizeof(struct dvb_multilingual_service_name_descriptor));
+}
+
+static inline struct dvb_multilingual_service_name*
+ dvb_multilingual_service_name_descriptor_names_next(struct dvb_multilingual_service_name_descriptor *d,
+ struct dvb_multilingual_service_name *pos)
+{
+ struct dvb_multilingual_service_name_part2 * part2 =
+ dvb_multilingual_service_name_part2(pos);
+ uint8_t *end = (uint8_t*) d + 2 + d->d.len;
+ uint8_t *next = (uint8_t *) part2+
+ sizeof(struct dvb_multilingual_service_name_part2) +
+ part2->service_name_length;
+
+ if (next >= end)
+ return NULL;
+
+ return (struct dvb_multilingual_service_name *) next;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif