1 /* GStreamer

     2  * Copyright (C) <2005> Wim Taymans <wim@fluendo.com>

     3  *

     4  * This library is free software; you can redistribute it and/or

     5  * modify it under the terms of the GNU Library General Public

     6  * License as published by the Free Software Foundation; either

     7  * version 2 of the License, or (at your option) any later version.

     8  *

     9  * This library is distributed in the hope that it will be useful,

    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    12  * Library General Public License for more details.

    13  *

    14  * You should have received a copy of the GNU Library General Public

    15  * License along with this library; if not, write to the

    16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

    17  * Boston, MA 02111-1307, USA.

    18  */

    19 

    20 #ifndef __GST_NETBUFFER_H__

    21 #define __GST_NETBUFFER_H__

    22 

    23 #include <gst/gst.h>

    24 

    25 G_BEGIN_DECLS

    26 

    27 typedef struct _GstNetBuffer GstNetBuffer;

    28 typedef struct _GstNetBufferClass GstNetBufferClass;

    29 typedef struct _GstNetAddress GstNetAddress;

    30 

    31 #define GST_TYPE_NETBUFFER            (gst_netbuffer_get_type())

    32 #define GST_IS_NETBUFFER(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_NETBUFFER))

    33 #define GST_IS_NETBUFFER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_NETBUFFER))

    34 #define GST_NETBUFFER_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_NETBUFFER, GstNetBufferClass))

    35 #define GST_NETBUFFER(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_NETBUFFER, GstNetBuffer))

    36 #define GST_NETBUFFER_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_NETBUFFER, GstNetBufferClass))

    37 

    38 /**

    39  * GstNetType:

    40  * @GST_NET_TYPE_UNKNOWN: unknown address type

    41  * @GST_NET_TYPE_IP4: an IPv4 address type

    42  * @GST_NET_TYPE_IP6: and IPv6 address type

    43  *

    44  * The Address type used in #GstNetAddress.

    45  */

    46 typedef enum {

    47   GST_NET_TYPE_UNKNOWN,

    48   GST_NET_TYPE_IP4,

    49   GST_NET_TYPE_IP6,

    50 } GstNetType;

    51 

    52 /**

    53  * GstNetAddress:

    54  *

    55  * An opaque network address as used in #GstNetBuffer.

    56  */

    57 struct _GstNetAddress {

    58   /*< private >*/

    59   GstNetType    type;

    60   union {

    61     guint8        ip6[16];

    62     guint32       ip4;

    63   } address;

    64   guint16       port;

    65   /*< private >*/

    66   gpointer _gst_reserved[GST_PADDING];

    67 };

    68 

    69 /**

    70  * GstNetBuffer:

    71  * @buffer: the parent #GstBuffer

    72  * @from: the address where this buffer came from.

    73  * @to: the address where this buffer should go to.

    74  *

    75  * buffer for use in network sources and sinks.

    76  * It contains the source or destination address of the buffer.

    77  */

    78 struct _GstNetBuffer {

    79   GstBuffer buffer;

    80 

    81   GstNetAddress from;

    82   GstNetAddress to;

    83 

    84   /*< private >*/

    85   gpointer _gst_reserved[GST_PADDING];

    86 };

    87 

    88 struct _GstNetBufferClass {

    89   GstBufferClass  buffer_class;

    90 

    91   /*< private >*/

    92   gpointer _gst_reserved[GST_PADDING];

    93 };

    94 

    95 /* creating buffers */

    96 #ifdef __SYMBIAN32__

    97 IMPORT_C

    98 #endif

    99 

   100 GType           gst_netbuffer_get_type          (void);

   101 #ifdef __SYMBIAN32__

   102 IMPORT_C

   103 #endif

   104 

   105 

   106 GstNetBuffer*   gst_netbuffer_new               (void);

   107 

   108 /* address operations */

   109 #ifdef __SYMBIAN32__

   110 IMPORT_C

   111 #endif

   112 

   113 void            gst_netaddress_set_ip4_address  (GstNetAddress *naddr, guint32 address, guint16 port);

   114 #ifdef __SYMBIAN32__

   115 IMPORT_C

   116 #endif

   117 

   118 void            gst_netaddress_set_ip6_address  (GstNetAddress *naddr, guint8 address[16], guint16 port);

   119 #ifdef __SYMBIAN32__

   120 IMPORT_C

   121 #endif

   122 

   123 

   124 GstNetType      gst_netaddress_get_net_type     (GstNetAddress *naddr);

   125 #ifdef __SYMBIAN32__

   126 IMPORT_C

   127 #endif

   128 

   129 gboolean        gst_netaddress_get_ip4_address  (GstNetAddress *naddr, guint32 *address, guint16 *port);

   130 #ifdef __SYMBIAN32__

   131 IMPORT_C

   132 #endif

   133 

   134 gboolean        gst_netaddress_get_ip6_address  (GstNetAddress *naddr, guint8 address[16], guint16 *port);

   135 #ifdef __SYMBIAN32__

   136 IMPORT_C

   137 #endif

   138 

   139 

   140 gboolean        gst_netaddress_equal            (const GstNetAddress *naddr1,

   141                                                  const GstNetAddress *naddr2);

   142 

   143 G_END_DECLS

   144 

   145 #endif /* __GST_NETBUFFER_H__ */

   146