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authorMark Purcell <msp@debian.org>2008-06-22 11:00:40 +1000
committeretobi <git@e-tobi.net>2013-09-03 09:48:42 +0200
commit891c51ff368ed700dec6025eeb47ce4d96f76418 (patch)
tree3729664829e4faa691d403274f38eb10890b533c /lib/libucsi/dvb/data_broadcast_id_descriptor.h
parent1c6e1f28f54ec2606c23936c1d8689f2be55a86c (diff)
parentab959d7b4194715870128e616b8e29d4a101e488 (diff)
downloadlinux-dvb-apps-891c51ff368ed700dec6025eeb47ce4d96f76418.tar.gz
Imported Debian patch 1.1.1+rev1207-1debian/1.1.1+rev1207-1
Diffstat (limited to 'lib/libucsi/dvb/data_broadcast_id_descriptor.h')
-rw-r--r--lib/libucsi/dvb/data_broadcast_id_descriptor.h221
1 files changed, 221 insertions, 0 deletions
diff --git a/lib/libucsi/dvb/data_broadcast_id_descriptor.h b/lib/libucsi/dvb/data_broadcast_id_descriptor.h
new file mode 100644
index 0000000..446927c
--- /dev/null
+++ b/lib/libucsi/dvb/data_broadcast_id_descriptor.h
@@ -0,0 +1,221 @@
+/*
+ * 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_DATA_BROADCAST_ID_DESCRIPTOR
+#define _UCSI_DVB_DATA_BROADCAST_ID_DESCRIPTOR 1
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <libucsi/descriptor.h>
+#include <libucsi/endianops.h>
+
+/**
+ * Possible values for data_broadcast_id.
+ */
+enum {
+ DVB_BROADCAST_ID_DATA_PIPE = 0X0001,
+ DVB_BROADCAST_ID_ASYNCHRONOUS_DATA_STREAM = 0X0002,
+ DVB_BROADCAST_ID_SYNCHRONOUS_DATA_STREAM = 0X0003,
+ DVB_BROADCAST_ID_SYNCHRONISED_DATA_STREAM = 0X0004,
+ DVB_BROADCAST_ID_MULTI_PROTOCOL_ENCAPSULATION = 0X0005,
+ DVB_BROADCAST_ID_DATA_CAROUSEL = 0X0006,
+ DVB_BROADCAST_ID_OBJECT_CAROUSEL = 0X0007,
+ DVB_BROADCAST_ID_DVB_ATM_STREAMS = 0X0008,
+ DVB_BROADCAST_ID_HIGHER_PROTOCOLS = 0X0009,
+ DVB_BROADCAST_ID_SOFTWARE_UPDATE = 0x000A,
+ DVB_BROADCAST_ID_IP_MAC_NOTIFICATION_TABLE = 0x000B,
+};
+
+/**
+ * dvb_data_broadcast_id_descriptor structure.
+ */
+struct dvb_data_broadcast_id_descriptor {
+ struct descriptor d;
+
+ uint16_t data_broadcast_id;
+ /* uint8_t id_selector_byte[] */
+} __ucsi_packed;
+
+/**
+ * id_selector_byte for 0x000b data_broadcast_id (IP/MAC Notification Table).
+ */
+struct dvb_id_selector_byte_000b {
+ uint8_t platform_id_data_length;
+ /* struct dvb_ip_mac_notification_info infos[] */
+ /* uint8_t private_data[] */
+} __ucsi_packed;
+
+/**
+ * Entries in the infos field of a dvb_id_selector_byte_0b.
+ */
+struct dvb_ip_mac_notification_info {
+ EBIT2(uint32_t platform_id : 24; ,
+ uint8_t action_type : 8; );
+ EBIT3(uint8_t reserved : 2; ,
+ uint8_t INT_versioning_flag : 1; ,
+ uint8_t INT_version : 5; );
+} __ucsi_packed;
+
+/**
+ * Process a dvb_data_broadcast_id_descriptor.
+ *
+ * @param d Generic descriptor structure.
+ * @return dvb_data_broadcast_id_descriptor pointer, or NULL on error.
+ */
+static inline struct dvb_data_broadcast_id_descriptor*
+ dvb_data_broadcast_id_descriptor_codec(struct descriptor* d)
+{
+ if (d->len < (sizeof(struct dvb_data_broadcast_id_descriptor) - 2))
+ return NULL;
+
+ bswap16((uint8_t*) d + 2);
+
+ return (struct dvb_data_broadcast_id_descriptor*) d;
+}
+
+/**
+ * Accessor for the selector_byte field of a dvb_data_broadcast_id_descriptor.
+ *
+ * @param d dvb_data_broadcast_id_descriptor pointer.
+ * @return Pointer to the field.
+ */
+static inline uint8_t *
+ dvb_data_broadcast_id_descriptor_id_selector_byte(struct dvb_data_broadcast_id_descriptor *d)
+{
+ return (uint8_t *) d + sizeof(struct dvb_data_broadcast_id_descriptor);
+}
+
+/**
+ * Determine the length of the selector_byte field of a dvb_data_broadcast_id_descriptor.
+ *
+ * @param d dvb_data_broadcast_id_descriptor pointer.
+ * @return Length of the field in bytes.
+ */
+static inline int
+ dvb_data_broadcast_id_descriptor_id_selector_byte_length(struct dvb_data_broadcast_id_descriptor *d)
+{
+ return d->d.len - 2;
+}
+
+/**
+ * Accessor for a dvb_id_selector_byte_000b pointer.
+ *
+ * @param d dvb_data_broadcast_id_descriptor pointer.
+ * @return Pointer to the data field.
+ */
+static inline struct dvb_id_selector_byte_000b *
+ dvb_id_selector_byte_000b(struct dvb_data_broadcast_id_descriptor *d)
+{
+ if (d->data_broadcast_id != DVB_BROADCAST_ID_IP_MAC_NOTIFICATION_TABLE)
+ return NULL;
+ return (struct dvb_id_selector_byte_000b *) dvb_data_broadcast_id_descriptor_id_selector_byte(d);
+}
+
+/**
+ * Iterator for the dvb_ip_mac_notification_info field of a dvb_id_selector_byte_000b.
+ *
+ * @param id_selector_byte dvb_id_selector_byte_000b pointer.
+ * @param pos Variable containing a pointer to the current dvb_ip_mac_notification_info.
+ */
+#define dvb_id_selector_byte_000b_ip_mac_notification_info_for_each(id_selector_byte, pos) \
+ for ((pos) = dvb_ip_mac_notification_info_first(id_selector_byte); \
+ (pos); \
+ (pos) = dvb_ip_mac_notification_info_next(id_selector_byte, pos))
+
+/**
+ * Length of the private_data field of a dvb_id_selector_byte_000b.
+ *
+ * @param d descriptor pointer.
+ * @param i dvb_id_selector_byte_000b pointer.
+ * @return Length of the field.
+ */
+static inline uint8_t
+ dvb_id_selector_byte_000b_private_data_length(struct descriptor *d,
+ struct dvb_id_selector_byte_000b *i)
+{
+ return (uint8_t) (d->len -
+ sizeof(struct descriptor) -
+ i->platform_id_data_length -
+ sizeof(struct dvb_id_selector_byte_000b));
+}
+
+/**
+ * Accessor for the private_data field of a dvb_id_selector_byte_000b.
+ *
+ * @param d descriptor pointer.
+ * @param i dvb_id_selector_byte_000b pointer.
+ * @return Pointer to the field.
+ */
+static inline uint8_t *
+ dvb_id_selector_byte_000b_private_data(struct descriptor *d,
+ struct dvb_id_selector_byte_000b *i)
+{
+ if (dvb_id_selector_byte_000b_private_data_length(d, i) <= 0)
+ return NULL;
+
+ return (uint8_t *) i + i->platform_id_data_length + sizeof(struct dvb_id_selector_byte_000b);
+}
+
+
+
+
+
+
+
+/******************************** PRIVATE CODE ********************************/
+static inline struct dvb_ip_mac_notification_info *
+ dvb_ip_mac_notification_info_first(struct dvb_id_selector_byte_000b *d)
+{
+ if (d->platform_id_data_length == 0)
+ return NULL;
+
+ bswap32((uint8_t *) d + sizeof(struct dvb_id_selector_byte_000b));
+
+ return (struct dvb_ip_mac_notification_info *) ((uint8_t *) d + sizeof(struct dvb_id_selector_byte_000b));
+}
+
+static inline struct dvb_ip_mac_notification_info *
+ dvb_ip_mac_notification_info_next(struct dvb_id_selector_byte_000b *d,
+ struct dvb_ip_mac_notification_info *pos)
+{
+ uint8_t *end = (uint8_t *) d + d->platform_id_data_length;
+ uint8_t *next = (uint8_t *) pos +
+ sizeof(struct dvb_id_selector_byte_000b) +
+ sizeof(struct dvb_ip_mac_notification_info);
+
+ if (next >= end)
+ return NULL;
+
+ bswap32(next);
+
+ return (struct dvb_ip_mac_notification_info *) next;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+#include <libucsi/dvb/mhp_data_broadcast_id_descriptor.h>