Imported Debian patch 1.1.1+rev1207-1debian/1.1.1+rev1207-1

1 files changed, 139 insertions, 0 deletions

diff --git a/lib/libucsi/dvb/data_broadcast_descriptor.h b/lib/libucsi/dvb/data_broadcast_descriptor.h
new file mode 100644
index 0000000..069e1db
--- /dev/null
+++ b/lib/libucsi/dvb/data_broadcast_descriptor.h
@@ -0,0 +1,139 @@
+/*
+ * 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_DATA_BROADCAST_DESCRIPTOR
+#define _UCSI_DVB_DATA_BROADCAST_DESCRIPTOR 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/descriptor.h>
+#include <libucsi/endianops.h>
+#include <libucsi/types.h>
+
+/**
+ * dvb_data_broadcast_descriptor structure.
+ */
+struct dvb_data_broadcast_descriptor {
+	struct descriptor d;
+
+	uint16_t data_broadcast_id;
+	uint8_t component_tag;
+	uint8_t selector_length;
+	/* uint8_t selector[] */
+	/* struct dvb_data_broadcast_descriptor_part2 part2 */
+} __ucsi_packed;
+
+/**
+ * Second part of a dvb_data_broadcast_descriptor following the variable length selector field.
+ */
+struct dvb_data_broadcast_descriptor_part2 {
+	iso639lang_t language_code;
+	uint8_t text_length;
+	/* uint8_t text[] */
+} __ucsi_packed;
+
+/**
+ * Process a dvb_data_broadcast_descriptor.
+ *
+ * @param d Generic descriptor pointer.
+ * @return dvb_data_broadcast_descriptor pointer, or NULL on error.
+ */
+static inline struct dvb_data_broadcast_descriptor*
+	dvb_data_broadcast_descriptor_codec(struct descriptor* d)
+{
+	struct dvb_data_broadcast_descriptor *p =
+		(struct dvb_data_broadcast_descriptor *) d;
+	struct dvb_data_broadcast_descriptor_part2 *p2;
+	uint8_t* buf = (uint8_t*) d + 2;
+	uint32_t pos = sizeof(struct dvb_data_broadcast_descriptor) - 2;
+	uint32_t len = d->len;
+
+	if (pos > len)
+		return NULL;
+
+	bswap16(buf + 2);
+
+	pos += p->selector_length;
+
+	if (pos > len)
+		return NULL;
+
+	p2 = (struct dvb_data_broadcast_descriptor_part2*) (buf + 2 + pos);
+
+	pos += sizeof(struct dvb_data_broadcast_descriptor_part2);
+
+	if (pos > len)
+		return NULL;
+
+	pos += p2->text_length;
+
+	if (pos != len)
+		return NULL;
+
+	return p;
+}
+
+/**
+ * Accessor for the selector field of a dvb_data_broadcast_descriptor.
+ *
+ * @param d dvb_data_broadcast_descriptor pointer.
+ * @return pointer to the field.
+ */
+static inline uint8_t *
+	dvb_data_broadcast_descriptor_selector(struct dvb_data_broadcast_descriptor *d)
+{
+	return (uint8_t *) d + sizeof(struct dvb_data_broadcast_descriptor);
+}
+
+/**
+ * Accessor for the second part of a dvb_data_broadcast_descriptor.
+ *
+ * @param d dvb_data_broadcast_descriptor pointer.
+ * @return dvb_data_broadcast_descriptor_part2 pointer.
+ */
+static inline struct dvb_data_broadcast_descriptor_part2 *
+	dvb_data_broadcast_descriptor_part2(struct dvb_data_broadcast_descriptor *d)
+{
+	return (struct dvb_data_broadcast_descriptor_part2*)
+		((uint8_t*) d + sizeof(struct dvb_data_broadcast_descriptor) +
+		 d->selector_length);
+}
+
+/**
+ * Accessor for the text field in a dvb_data_broadcast_descriptor_part2.
+ *
+ * @param d dvb_data_broadcast_descriptor_part2 pointer.
+ * @return pointer to the field.
+ */
+static inline uint8_t *
+	dvb_data_broadcast_descriptor_part2_text(struct dvb_data_broadcast_descriptor_part2 *d)
+{
+	return (uint8_t *) d + sizeof(struct dvb_data_broadcast_descriptor_part2);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif