1 files changed, 105 insertions, 0 deletions
diff --git a/lib/libucsi/atsc/stt_section.h b/lib/libucsi/atsc/stt_section.h
new file mode 100644
index 0000000..79db5a1
--- /dev/null
+++ b/lib/libucsi/atsc/stt_section.h
@@ -0,0 +1,105 @@
+/*
+ * 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_ATSC_STT_SECTION_H
+#define _UCSI_ATSC_STT_SECTION_H 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/atsc/section.h>
+#include <libucsi/atsc/types.h>
+
+/**
+ * atsc_stt_section structure.
+ */
+struct atsc_stt_section {
+	struct atsc_section_psip head;
+
+	atsctime_t system_time;
+	uint8_t gps_utc_offset;
+  EBIT4(uint16_t DS_status			: 1; ,
+	uint16_t reserved			: 2; ,
+	uint16_t DS_day_of_month		: 5; ,
+	uint16_t DS_hour			: 8; );
+	/* struct descriptor descriptors[] */
+} __ucsi_packed;
+
+/**
+ * Process a atsc_stt_section.
+ *
+ * @param section Pointer to an atsc_section_psip structure.
+ * @return atsc_stt_section pointer, or NULL on error.
+ */
+struct atsc_stt_section *atsc_stt_section_codec(struct atsc_section_psip *section);
+
+/**
+ * Iterator for the services field in a atsc_stt_section.
+ *
+ * @param stt atsc_stt_section pointer.
+ * @param pos Variable containing a pointer to the current descriptor.
+ */
+#define atsc_stt_section_descriptors_for_each(stt, pos) \
+	for ((pos) = atsc_stt_section_descriptors_first(stt); \
+	     (pos); \
+	     (pos) = atsc_stt_section_descriptors_next(stt, pos))
+
+
+
+
+
+
+
+
+
+
+
+/******************************** PRIVATE CODE ********************************/
+static inline struct descriptor *
+	atsc_stt_section_descriptors_first(struct atsc_stt_section *stt)
+{
+	size_t pos = sizeof(struct atsc_stt_section);
+
+	if (pos >= section_ext_length(&stt->head.ext_head))
+		return NULL;
+
+	return (struct descriptor*) ((uint8_t *) stt + pos);
+}
+
+static inline struct descriptor *
+	atsc_stt_section_descriptors_next(struct atsc_stt_section *stt,
+				          struct descriptor *pos)
+{
+	int len = section_ext_length(&stt->head.ext_head);
+	len -= sizeof(struct atsc_stt_section);
+
+	return next_descriptor((uint8_t*) stt + sizeof(struct atsc_stt_section),
+				len,
+				pos);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif