+/* GStreamer
+ * Copyright (C) <2005,2006> Wim Taymans <wim@fluendo.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+/*
+ * Unless otherwise indicated, Source Code is licensed under MIT license.
+ * See further explanation attached in License Statement (distributed in the file
+ * LICENSE).
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is furnished to do
+ * so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef __GST_SDP_MESSAGE_H__
+#define __GST_SDP_MESSAGE_H__
+
+#include <glib.h>
+
+#include <gst/sdp/gstsdp.h>
+
+G_BEGIN_DECLS
+
+/**
+ * GstSDPOrigin:
+ * @username: the user's login on the originating host, or it is "-"
+ * if the originating host does not support the concept of user ids.
+ * @sess_id: is a numeric string such that the tuple of @username, @sess_id,
+ * @nettype, @addrtype and @addr form a globally unique identifier for the
+ * session.
+ * @sess_version: a version number for this announcement
+ * @nettype: the type of network. "IN" is defined to have the meaning
+ * "Internet".
+ * @addrtype: the type of @addr.
+ * @addr: the globally unique address of the machine from which the session was
+ * created.
+ *
+ * The contents of the SDP "o=" field which gives the originator of the session
+ * (their username and the address of the user's host) plus a session id and
+ * session version number.
+ */
+typedef struct {
+ gchar *username;
+ gchar *sess_id;
+ gchar *sess_version;
+ gchar *nettype;
+ gchar *addrtype;
+ gchar *addr;
+} GstSDPOrigin;
+
+/**
+ * GstSDPConnection:
+ * @nettype: the type of network. "IN" is defined to have the meaning
+ * "Internet".
+ * @addrtype: the type of @address.
+ * @address: the address
+ * @ttl: the time to live of the address
+ * @addr_number: the number of layers
+ *
+ * The contents of the SDP "c=" field which contains connection data.
+ */
+typedef struct {
+ gchar *nettype;
+ gchar *addrtype;
+ gchar *address;
+ guint ttl;
+ guint addr_number;
+} GstSDPConnection;
+
+/**
+ * GST_SDP_BWTYPE_CT:
+ *
+ * The Conference Total bandwidth modifier.
+ */
+#define GST_SDP_BWTYPE_CT "CT"
+/**
+ * GST_SDP_BWTYPE_AS:
+ *
+ * The Application-Specific Maximum bandwidth modifier.
+ */
+#define GST_SDP_BWTYPE_AS "AS"
+/**
+ * GST_SDP_BWTYPE_EXT_PREFIX:
+ *
+ * The extension prefix bandwidth modifier.
+ */
+#define GST_SDP_BWTYPE_EXT_PREFIX "X-"
+
+/**
+ * GST_SDP_BWTYPE_RS:
+ *
+ * RTCP bandwidth allocated to active data senders (RFC 3556).
+ *
+ * Since: 0.10.15
+ */
+#define GST_SDP_BWTYPE_RS "RS"
+/**
+ * GST_SDP_BWTYPE_RR:
+ *
+ * RTCP bandwidth allocated to data receivers (RFC 3556).
+ *
+ * Since: 0.10.15
+ */
+#define GST_SDP_BWTYPE_RR "RR"
+/**
+ * GST_SDP_BWTYPE_TIAS:
+ *
+ * Transport Independent Application Specific Maximum bandwidth (RFC 3890).
+ *
+ * Since: 0.10.30
+ */
+#define GST_SDP_BWTYPE_TIAS "TIAS"
+
+
+/**
+ * GstSDPBandwidth:
+ * @bwtype: the bandwidth modifier type
+ * @bandwidth: the bandwidth in kilobits per second
+ *
+ * The contents of the SDP "b=" field which specifies the proposed bandwidth to
+ * be used by the session or media.
+ */
+typedef struct {
+ gchar *bwtype;
+ guint bandwidth;
+} GstSDPBandwidth;
+
+/**
+ * GstSDPTime:
+ * @start: start time for the conference. The value is the decimal
+ * representation of Network Time Protocol (NTP) time values in seconds
+ * @stop: stop time for the conference. The value is the decimal
+ * representation of Network Time Protocol (NTP) time values in seconds
+ * @repeat: repeat times for a session
+ *
+ * The contents of the SDP "t=" field which specify the start and stop times for
+ * a conference session.
+ */
+typedef struct {
+ gchar *start;
+ gchar *stop;
+ GArray *repeat;
+} GstSDPTime;
+
+/**
+ * GstSDPZone:
+ * @time: the NTP time that a time zone adjustment happens
+ * @typed_time: the offset from the time when the session was first scheduled
+ *
+ * The contents of the SDP "z=" field which allows the sender to
+ * specify a list of time zone adjustments and offsets from the base
+ * time.
+ */
+typedef struct {
+ gchar *time;
+ gchar *typed_time;
+} GstSDPZone;
+
+/**
+ * GstSDPKey:
+ * @type: the encryption type
+ * @data: the encryption data
+ *
+ * The contents of the SDP "k=" field which is used to convey encryption
+ * keys.
+ */
+typedef struct {
+ gchar *type;
+ gchar *data;
+} GstSDPKey;
+
+/**
+ * GstSDPAttribute:
+ * @key: the attribute key
+ * @value: the attribute value or NULL when it was a property attribute
+ *
+ * The contents of the SDP "a=" field which contains a key/value pair.
+ */
+typedef struct {
+ gchar *key;
+ gchar *value;
+} GstSDPAttribute;
+
+/**
+ * GstSDPMedia:
+ * @media: the media type
+ * @port: the transport port to which the media stream will be sent
+ * @num_ports: the number of ports or -1 if only one port was specified
+ * @proto: the transport protocol
+ * @fmts: an array of #gchar formats
+ * @information: the media title
+ * @connections: array of #GstSDPConnection with media connection information
+ * @bandwidths: array of #GstSDPBandwidth with media bandwidth information
+ * @key: the encryption key
+ * @attributes: array of #GstSDPAttribute with the additional media attributes
+ *
+ * The contents of the SDP "m=" field with all related fields.
+ */
+typedef struct {
+ gchar *media;
+ guint port;
+ guint num_ports;
+ gchar *proto;
+ GArray *fmts;
+ gchar *information;
+ GArray *connections;
+ GArray *bandwidths;
+ GstSDPKey key;
+ GArray *attributes;
+} GstSDPMedia;
+
+/**
+ * GstSDPMessage:
+ * @version: the protocol version
+ * @origin: owner/creator and session identifier
+ * @session_name: session name
+ * @information: session information
+ * @uri: URI of description
+ * @emails: array of #gchar with email addresses
+ * @phones: array of #gchar with phone numbers
+ * @connection: connection information for the session
+ * @bandwidths: array of #GstSDPBandwidth with bandwidth information
+ * @times: array of #GstSDPTime with time descriptions
+ * @zones: array of #GstSDPZone with time zone adjustments
+ * @key: encryption key
+ * @attributes: array of #GstSDPAttribute with session attributes
+ * @medias: array of #GstSDPMedia with media descriptions
+ *
+ * The contents of the SDP message.
+ */
+typedef struct {
+ gchar *version;
+ GstSDPOrigin origin;
+ gchar *session_name;
+ gchar *information;
+ gchar *uri;
+ GArray *emails;
+ GArray *phones;
+ GstSDPConnection connection;
+ GArray *bandwidths;
+ GArray *times;
+ GArray *zones;
+ GstSDPKey key;
+ GArray *attributes;
+ GArray *medias;
+} GstSDPMessage;
+
+/* Session descriptions */
+GstSDPResult gst_sdp_message_new (GstSDPMessage **msg);
+GstSDPResult gst_sdp_message_init (GstSDPMessage *msg);
+GstSDPResult gst_sdp_message_uninit (GstSDPMessage *msg);
+GstSDPResult gst_sdp_message_free (GstSDPMessage *msg);
+
+GstSDPResult gst_sdp_message_parse_buffer (const guint8 *data, guint size, GstSDPMessage *msg);
+gchar* gst_sdp_message_as_text (const GstSDPMessage *msg);
+
+/* convert from/to uri */
+GstSDPResult gst_sdp_message_parse_uri (const gchar *uri, GstSDPMessage *msg);
+gchar* gst_sdp_message_as_uri (const gchar *scheme, const GstSDPMessage *msg);
+
+/* utils */
+gboolean gst_sdp_address_is_multicast (const gchar *nettype, const gchar *addrtype,
+ const gchar *addr);
+/* v=.. */
+const gchar* gst_sdp_message_get_version (const GstSDPMessage *msg);
+GstSDPResult gst_sdp_message_set_version (GstSDPMessage *msg, const gchar *version);
+
+/* o=<username> <sess-id> <sess-version> <nettype> <addrtype> <unicast-address> */
+const GstSDPOrigin* gst_sdp_message_get_origin (const GstSDPMessage *msg);
+GstSDPResult gst_sdp_message_set_origin (GstSDPMessage *msg, const gchar *username,
+ const gchar *sess_id, const gchar *sess_version,
+ const gchar *nettype, const gchar *addrtype,
+ const gchar *addr);
+
+/* s=<session name> */
+const gchar* gst_sdp_message_get_session_name (const GstSDPMessage *msg);
+GstSDPResult gst_sdp_message_set_session_name (GstSDPMessage *msg, const gchar *session_name);
+
+/* i=<session description> */
+const gchar* gst_sdp_message_get_information (const GstSDPMessage *msg);
+GstSDPResult gst_sdp_message_set_information (GstSDPMessage *msg, const gchar *information);
+
+/* u=<uri> */
+const gchar* gst_sdp_message_get_uri (const GstSDPMessage *msg);
+GstSDPResult gst_sdp_message_set_uri (GstSDPMessage *msg, const gchar *uri);
+
+/* e=<email-address> */
+guint gst_sdp_message_emails_len (const GstSDPMessage *msg);
+const gchar* gst_sdp_message_get_email (const GstSDPMessage *msg, guint idx);
+GstSDPResult gst_sdp_message_add_email (GstSDPMessage *msg, const gchar *email);
+
+/* p=<phone-number> */
+guint gst_sdp_message_phones_len (const GstSDPMessage *msg);
+const gchar* gst_sdp_message_get_phone (const GstSDPMessage *msg, guint idx);
+GstSDPResult gst_sdp_message_add_phone (GstSDPMessage *msg, const gchar *phone);
+
+/* c=<nettype> <addrtype> <connection-address>[/<ttl>][/<number of addresses>] */
+const GstSDPConnection* gst_sdp_message_get_connection (const GstSDPMessage *msg);
+GstSDPResult gst_sdp_message_set_connection (GstSDPMessage *msg, const gchar *nettype,
+ const gchar *addrtype, const gchar *address,
+ guint ttl, guint addr_number);
+/* b=<bwtype>:<bandwidth> */
+guint gst_sdp_message_bandwidths_len (const GstSDPMessage *msg);
+const GstSDPBandwidth* gst_sdp_message_get_bandwidth (const GstSDPMessage *msg, guint idx);
+GstSDPResult gst_sdp_message_add_bandwidth (GstSDPMessage *msg, const gchar *bwtype,
+ guint bandwidth);
+/* t=<start-time> <stop-time> and
+ * r=<repeat interval> <active duration> <offsets from start-time> */
+guint gst_sdp_message_times_len (const GstSDPMessage *msg);
+const GstSDPTime* gst_sdp_message_get_time (const GstSDPMessage *msg, guint idx);
+GstSDPResult gst_sdp_message_add_time (GstSDPMessage *msg, const gchar *start, const gchar *stop, const gchar **repeat);
+
+/* z=<adjustment time> <offset> <adjustment time> <offset> .... */
+guint gst_sdp_message_zones_len (const GstSDPMessage *msg);
+const GstSDPZone* gst_sdp_message_get_zone (const GstSDPMessage *msg, guint idx);
+GstSDPResult gst_sdp_message_add_zone (GstSDPMessage *msg, const gchar *adj_time,
+ const gchar *typed_time);
+
+/* k=<method>[:<encryption key>] */
+const GstSDPKey* gst_sdp_message_get_key (const GstSDPMessage *msg);
+GstSDPResult gst_sdp_message_set_key (GstSDPMessage *msg, const gchar *type,
+ const gchar *data);
+/* a=... */
+guint gst_sdp_message_attributes_len (const GstSDPMessage *msg);
+const GstSDPAttribute* gst_sdp_message_get_attribute (const GstSDPMessage *msg, guint idx);
+const gchar* gst_sdp_message_get_attribute_val (const GstSDPMessage *msg, const gchar *key);
+const gchar* gst_sdp_message_get_attribute_val_n (const GstSDPMessage *msg, const gchar *key,
+ guint nth);
+GstSDPResult gst_sdp_message_add_attribute (GstSDPMessage *msg, const gchar *key,
+ const gchar *value);
+
+/* m=.. sections */
+guint gst_sdp_message_medias_len (const GstSDPMessage *msg);
+const GstSDPMedia* gst_sdp_message_get_media (const GstSDPMessage *msg, guint idx);
+GstSDPResult gst_sdp_message_add_media (GstSDPMessage *msg, GstSDPMedia *media);
+
+GstSDPResult gst_sdp_message_dump (const GstSDPMessage *msg);
+
+/* Media descriptions */
+GstSDPResult gst_sdp_media_new (GstSDPMedia **media);
+GstSDPResult gst_sdp_media_init (GstSDPMedia *media);
+GstSDPResult gst_sdp_media_uninit (GstSDPMedia *media);
+GstSDPResult gst_sdp_media_free (GstSDPMedia *media);
+
+gchar* gst_sdp_media_as_text (const GstSDPMedia *media);
+
+/* m=<media> <port>/<number of ports> <proto> <fmt> ... */
+const gchar* gst_sdp_media_get_media (const GstSDPMedia *media);
+GstSDPResult gst_sdp_media_set_media (GstSDPMedia *media, const gchar *med);
+
+guint gst_sdp_media_get_port (const GstSDPMedia *media);
+guint gst_sdp_media_get_num_ports (const GstSDPMedia *media);
+GstSDPResult gst_sdp_media_set_port_info (GstSDPMedia *media, guint port,
+ guint num_ports);
+
+const gchar* gst_sdp_media_get_proto (const GstSDPMedia *media);
+GstSDPResult gst_sdp_media_set_proto (GstSDPMedia *media, const gchar *proto);
+
+guint gst_sdp_media_formats_len (const GstSDPMedia *media);
+const gchar* gst_sdp_media_get_format (const GstSDPMedia *media, guint idx);
+GstSDPResult gst_sdp_media_add_format (GstSDPMedia *media, const gchar *format);
+
+/* i=<session description> */
+const gchar* gst_sdp_media_get_information (const GstSDPMedia *media);
+GstSDPResult gst_sdp_media_set_information (GstSDPMedia *media, const gchar *information);
+
+/* c=<nettype> <addrtype> <connection-address>[/<ttl>][/<number of addresses>] */
+guint gst_sdp_media_connections_len (const GstSDPMedia *media);
+const GstSDPConnection* gst_sdp_media_get_connection (const GstSDPMedia *media, guint idx);
+GstSDPResult gst_sdp_media_add_connection (GstSDPMedia *media, const gchar *nettype,
+ const gchar *addrtype, const gchar *address,
+ guint ttl, guint addr_number);
+
+/* b=<bwtype>:<bandwidth> */
+guint gst_sdp_media_bandwidths_len (const GstSDPMedia *media);
+const GstSDPBandwidth* gst_sdp_media_get_bandwidth (const GstSDPMedia *media, guint idx);
+GstSDPResult gst_sdp_media_add_bandwidth (GstSDPMedia *media, const gchar *bwtype,
+ guint bandwidth);
+
+/* k=<method>:<encryption key> */
+const GstSDPKey* gst_sdp_media_get_key (const GstSDPMedia *media);
+GstSDPResult gst_sdp_media_set_key (GstSDPMedia *media, const gchar *type,
+ const gchar *data);
+/* a=... */
+guint gst_sdp_media_attributes_len (const GstSDPMedia *media);
+const GstSDPAttribute * gst_sdp_media_get_attribute (const GstSDPMedia *media, guint idx);
+const gchar* gst_sdp_media_get_attribute_val (const GstSDPMedia *media, const gchar *key);
+const gchar* gst_sdp_media_get_attribute_val_n (const GstSDPMedia *media, const gchar *key,
+ guint nth);
+GstSDPResult gst_sdp_media_add_attribute (GstSDPMedia *media, const gchar *key,
+ const gchar *value);
+
+G_END_DECLS
+
+#endif /* __GST_SDP_MESSAGE_H__ */
projects / mafwsubrenderer / blobdiff