Imported Upstream version 1.1.1+rev1207upstream/1.1.1+rev1207

1 files changed, 110 insertions, 0 deletions

diff --git a/lib/libucsi/dvb/rst_section.h b/lib/libucsi/dvb/rst_section.h
new file mode 100644
index 0000000..4b3360b
--- /dev/null
+++ b/lib/libucsi/dvb/rst_section.h
@@ -0,0 +1,110 @@
+/*
+ * 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_RST_SECTION_H
+#define _UCSI_DVB_RST_SECTION_H 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/section.h>
+
+/**
+ * dvb_rst_section structure.
+ */
+struct dvb_rst_section {
+	struct section head;
+
+	/* struct dvb_rst_status statuses[] */
+};
+
+/**
+ * An entry in the statuses field of a dvb_rst_section structure.
+ */
+struct dvb_rst_status {
+	uint16_t transport_stream_id;
+	uint16_t original_network_id;
+	uint16_t service_id;
+	uint16_t event_id;
+  EBIT2(uint8_t reserved	: 5;  ,
+	uint8_t running_status	: 3;  );
+};
+
+/**
+ * Process a dvb_rst_section.
+ *
+ * @param section Pointer to a generic section strcuture.
+ * @return dvb_rst_section pointer, or NULL on error.
+ */
+struct dvb_rst_section *dvb_rst_section_codec(struct section *section);
+
+/**
+ * Iterator for entries in the statuses field of a dvb_rst_section.
+ *
+ * @param rst dvb_rst_section pointer.
+ * @param pos Variable containing a pointer to the current dvb_rst_status.
+ */
+#define dvb_rst_section_statuses_for_each(rst, pos) \
+	for ((pos) = dvb_rst_section_statuses_first(rst); \
+	     (pos); \
+	     (pos) = dvb_rst_section_statuses_next(rst, pos))
+
+
+
+
+
+
+
+
+
+
+/******************************** PRIVATE CODE ********************************/
+static inline struct dvb_rst_status *
+	dvb_rst_section_statuses_first(struct dvb_rst_section *rst)
+{
+	size_t pos = sizeof(struct dvb_rst_section);
+
+	if (pos >= section_length(&rst->head))
+		return NULL;
+
+	return (struct dvb_rst_status*) ((uint8_t *) rst + pos);
+}
+
+static inline struct dvb_rst_status *
+	dvb_rst_section_statuses_next(struct dvb_rst_section * rst,
+				      struct dvb_rst_status * pos)
+{
+	uint8_t *end = (uint8_t*) rst + section_length(&rst->head);
+	uint8_t *next =	(uint8_t *) pos + sizeof(struct dvb_rst_status);
+
+	if (next >= end)
+		return NULL;
+
+	return (struct dvb_rst_status *) next;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif