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-rw-r--r--lib/libucsi/dvb/tot_section.h97
1 files changed, 97 insertions, 0 deletions
diff --git a/lib/libucsi/dvb/tot_section.h b/lib/libucsi/dvb/tot_section.h
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+++ b/lib/libucsi/dvb/tot_section.h
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+/*
+ * 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_TOT_SECTION_H
+#define _UCSI_DVB_TOT_SECTION_H 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/section.h>
+#include <libucsi/dvb/types.h>
+
+/**
+ * dvb_tot_section structure.
+ */
+struct dvb_tot_section {
+ struct section head;
+
+ dvbdate_t utc_time;
+ EBIT2(uint16_t reserved : 4; ,
+ uint16_t descriptors_loop_length:12; );
+ /* struct descriptor descriptors[] */
+} __ucsi_packed;
+
+/**
+ * Process a dvb_tot_section.
+ *
+ * @param section Pointer to generic section structure.
+ * @return dvb_tot_section pointer, or NULL on error.
+ */
+struct dvb_tot_section * dvb_tot_section_codec(struct section *section);
+
+/**
+ * Iterator for descriptors field of dvb_tot_section.
+ *
+ * @param tot dvb_tot_section pointer.
+ * @param pos Variable holding a pointer to the current descriptor.
+ */
+#define dvb_tot_section_descriptors_for_each(tot, pos) \
+ for ((pos) = dvb_tot_section_descriptors_first(tot); \
+ (pos); \
+ (pos) = dvb_tot_section_descriptors_next(tot, pos))
+
+
+
+
+
+
+
+
+
+
+/******************************** PRIVATE CODE ********************************/
+static inline struct descriptor *
+ dvb_tot_section_descriptors_first(struct dvb_tot_section * tot)
+{
+ if (tot->descriptors_loop_length == 0)
+ return NULL;
+
+ return (struct descriptor *)
+ ((uint8_t *) tot + sizeof(struct dvb_tot_section));
+}
+
+static inline struct descriptor *
+ dvb_tot_section_descriptors_next(struct dvb_tot_section *tot,
+ struct descriptor* pos)
+{
+ return next_descriptor((uint8_t *) tot + sizeof(struct dvb_tot_section),
+ tot->descriptors_loop_length,
+ pos);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif