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

1 files changed, 204 insertions, 0 deletions

diff --git a/lib/libucsi/dvb/ait_application_descriptor.h b/lib/libucsi/dvb/ait_application_descriptor.h
new file mode 100644
index 0000000..95fb7e3
--- /dev/null
+++ b/lib/libucsi/dvb/ait_application_descriptor.h
@@ -0,0 +1,204 @@
+/*
+ * 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_AIT_APPLICATION_DESCRIPTOR
+#define _UCSI_DVB_AIT_APPLICATION_DESCRIPTOR 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/descriptor.h>
+#include <libucsi/endianops.h>
+
+/**
+ * Possible values for the visibility field.
+ */
+enum {
+	AVB_AIT_APPLICATION_VISIBILITY_HIDDEN		= 0x00,
+	AVB_AIT_APPLICATION_VISIBILITY_APPSONLY		= 0x01,
+	AVB_AIT_APPLICATION_VISIBILITY_VISIBLE		= 0x03,
+};
+
+/**
+ * dvb_ait_application_descriptor structure.
+ */
+struct dvb_ait_application_descriptor {
+	struct descriptor d;
+
+	uint8_t application_profiles_length;
+	/* struct dvb_ait_application_profile profiles [] */
+	/* struct dvb_ait_application_descriptor_part2 part2 */
+} __ucsi_packed;
+
+/**
+ * An entry in the profiles field of a dvb_ait_application_descriptor.
+ */
+struct dvb_ait_application_profile {
+	uint16_t application_profile;
+	uint8_t version_major;
+	uint8_t version_minor;
+	uint8_t version_micro;
+} __ucsi_packed;
+
+/**
+ * Second part of a dvb_ait_application_descriptor structure.
+ */
+struct dvb_ait_application_descriptor_part2 {
+  EBIT3(uint8_t service_bound_flag		: 1; ,
+	uint8_t visibility			: 2; ,
+	uint8_t reserved			: 5; );
+	uint8_t application_priority;
+	/* uint8_t transport_protocol_label[] */
+} __ucsi_packed;
+
+/**
+ * Process a dvb_ait_application_descriptor.
+ *
+ * @param d Generic descriptor pointer.
+ * @return dvb_ait_application_descriptor pointer, or NULL on error.
+ */
+static inline struct dvb_ait_application_descriptor*
+	dvb_ait_application_descriptor_codec(struct descriptor* d)
+{
+	uint32_t pos = 0;
+	uint32_t pos2 = 0;
+	uint32_t len = d->len + 2;
+	uint8_t* buf = (uint8_t*) d;
+	struct dvb_ait_application_descriptor *ret =
+		(struct dvb_ait_application_descriptor*) d;
+
+	if (len < sizeof(struct dvb_ait_application_descriptor))
+		return NULL;
+
+	if (len < (sizeof(struct dvb_ait_application_descriptor) + ret->application_profiles_length))
+		return NULL;
+
+	if (ret->application_profiles_length % sizeof(struct dvb_ait_application_profile))
+		return NULL;
+
+	pos += sizeof(struct dvb_ait_application_descriptor);
+	pos2 = 0;
+	while(pos2 < ret->application_profiles_length) {
+		bswap16(buf + pos + pos2);
+		pos2 += sizeof(struct dvb_ait_application_descriptor);
+	}
+	pos += pos2;
+
+	if (len < (pos + sizeof(struct dvb_ait_application_descriptor_part2)))
+		return NULL;
+
+	return ret;
+}
+
+/**
+ * Iterator for the profiles field of a dvb_ait_application_descriptor.
+ *
+ * @param d dvb_ait_application_descriptor pointer.
+ * @param pos Variable containing a pointer to the current dvb_ait_application_profile.
+ */
+#define dvb_ait_application_descriptor_profiles_for_each(d, pos) \
+	for ((pos) = dvb_ait_application_descriptor_profiles_first(d); \
+	     (pos); \
+	     (pos) = dvb_ait_application_descriptor_profiles_next(d, pos))
+
+/**
+ * Accessor for the part2 field of a dvb_ait_application_descriptor.
+ *
+ * @param d dvb_ait_application_descriptor pointer.
+ * @return dvb_ait_application_descriptor_part2 pointer.
+ */
+static inline struct dvb_ait_application_descriptor_part2*
+	dvb_ait_application_descriptor_part2(struct dvb_ait_application_descriptor* d)
+{
+	return (struct dvb_ait_application_descriptor_part2*)
+		((uint8_t*) d +
+		 sizeof(struct dvb_ait_application_descriptor) +
+		 d->application_profiles_length);
+}
+
+/**
+ * Accessor for the transport_protocol_label field of a dvb_ait_application_descriptor_part2.
+ *
+ * @param d dvb_ait_application_descriptor_part2 pointer.
+ * @return Pointer to the field.
+ */
+static inline uint8_t*
+	dvb_ait_application_descriptor_part2_transport_protocol_label(struct dvb_ait_application_descriptor_part2* d)
+{
+	return (uint8_t*) d +
+			sizeof(struct dvb_ait_application_descriptor_part2);
+}
+
+/**
+ * Calculate the number of bytes in the transport_protocol_label field of a dvb_ait_application_descriptor_part2.
+ *
+ * @param d dvb_ait_application_descriptor pointer.
+ * @param part2 dvb_ait_application_descriptor_part2 pointer.
+ * @return Number of bytes.
+ */
+static inline int
+	dvb_ait_application_descriptor_part2_transport_protocol_label_length(struct dvb_ait_application_descriptor *d,
+									     struct dvb_ait_application_descriptor_part2* part2)
+{
+	uint8_t *ptr = (uint8_t*) part2 + sizeof(struct dvb_ait_application_descriptor_part2);
+	uint8_t *end = (uint8_t*) d + d->d.len + 2;
+
+	return (int) (end - ptr);
+}
+
+
+
+
+
+
+/******************************** PRIVATE CODE ********************************/
+static inline struct dvb_ait_application_profile*
+	dvb_ait_application_descriptor_profiles_first(struct dvb_ait_application_descriptor *d)
+{
+	if (d->application_profiles_length == 0)
+		return NULL;
+
+	return (struct dvb_ait_application_profile *)
+		((uint8_t*) d + sizeof(struct dvb_ait_application_descriptor));
+}
+
+static inline struct dvb_ait_application_profile*
+	dvb_ait_application_descriptor_profiles_next(struct dvb_ait_application_descriptor *d,
+						     struct dvb_ait_application_profile *pos)
+{
+	uint8_t *end = (uint8_t*) d +
+			sizeof(struct dvb_ait_application_descriptor) +
+			d->application_profiles_length;
+	uint8_t *next =	(uint8_t *) pos + sizeof(struct dvb_ait_application_profile);
+
+	if (next >= end)
+		return NULL;
+
+	return (struct dvb_ait_application_profile *) next;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif