1 files changed, 91 insertions, 0 deletions
diff --git a/lib/libucsi/atsc/ett_section.h b/lib/libucsi/atsc/ett_section.h
new file mode 100644
index 0000000..e2bb510
--- /dev/null
+++ b/lib/libucsi/atsc/ett_section.h
@@ -0,0 +1,91 @@
+/*
+ * 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_ETT_SECTION_H
+#define _UCSI_ATSC_ETT_SECTION_H 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/atsc/section.h>
+
+enum atsc_etm_type {
+	ATSC_ETM_CHANNEL 	= 0x00,
+	ATSC_ETM_EVENT 		= 0x02,
+};
+
+/**
+ * atsc_ett_section structure.
+ */
+struct atsc_ett_section {
+	struct atsc_section_psip head;
+
+  EBIT3(uint32_t ETM_source_id			:16; ,
+	uint32_t ETM_sub_id			:14; ,
+	uint32_t ETM_type			: 2; );
+	/* struct atsc_text extended_text_message */
+} __ucsi_packed;
+
+/**
+ * Process a atsc_ett_section.
+ *
+ * @param section Pointer to an atsc_section_psip structure.
+ * @return atsc_ett_section pointer, or NULL on error.
+ */
+struct atsc_ett_section *atsc_ett_section_codec(struct atsc_section_psip *section);
+
+/**
+ * Accessor for the extended_text_message part of an atsc_ett_section.
+ *
+ * @param ett atsc_ett_section pointer.
+ * @return atsc_text pointer, or NULL on error.
+ */
+static inline struct atsc_text*
+	atsc_ett_section_extended_text_message(struct atsc_ett_section *ett)
+{
+	int pos = sizeof(struct atsc_ett_section);
+	int len = section_ext_length(&ett->head.ext_head) - sizeof(struct atsc_ett_section);
+
+	if (len == 0)
+		return NULL;
+
+	return (struct atsc_text*)(((uint8_t*) ett) + pos);
+}
+
+/**
+ * Accessor for the extended_text_message part of an atsc_ett_section.
+ *
+ * @param ett atsc_ett_section pointer.
+ * @return The length.
+ */
+static inline int
+	atsc_ett_section_extended_text_message_length(struct atsc_ett_section *ett)
+{
+	return section_ext_length(&ett->head.ext_head) - sizeof(struct atsc_ett_section);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif