1 /* GStreamer RTSP Extension

     2  * Copyright (C) 2007 Wim Taymans <wim@fluendo.com>

     3  *

     4  * gstrtspextension.h: RTSP Extension interface.

     5  *

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

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

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

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

    10  *

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

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

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

    14  * Library General Public License for more details.

    15  *

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

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

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

    19  * Boston, MA 02111-1307, USA.

    20  */

    21 

    22 #ifndef __GST_RTSP_EXTENSION_H__

    23 #define __GST_RTSP_EXTENSION_H__

    24 

    25 #include <gst/gst.h>

    26 

    27 #include <gst/sdp/gstsdpmessage.h>

    28 #include <gst/rtsp/gstrtsptransport.h>

    29 #include <gst/rtsp/gstrtspmessage.h>

    30 #include <gst/rtsp/gstrtspurl.h>

    31 

    32 G_BEGIN_DECLS

    33 

    34 #define GST_TYPE_RTSP_EXTENSION \

    35   (gst_rtsp_extension_get_type ())

    36 #define GST_RTSP_EXTENSION(obj) \

    37   (GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_RTSP_EXTENSION, GstRTSPExtension))

    38 #define GST_IS_RTSP_EXTENSION(obj) \

    39   (GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_RTSP_EXTENSION))

    40 #define GST_RTSP_EXTENSION_GET_IFACE(inst) \

    41   (G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_RTSP_EXTENSION, GstRTSPExtensionInterface))

    42 

    43 typedef struct _GstRTSPExtension GstRTSPExtension;

    44 typedef struct _GstRTSPExtensionInterface GstRTSPExtensionInterface;

    45 

    46 struct _GstRTSPExtensionInterface {

    47   GTypeInterface parent;

    48 

    49   /* vfunctions */

    50   gboolean      (*detect_server)    (GstRTSPExtension *ext, GstRTSPMessage *resp);

    51 

    52   GstRTSPResult (*before_send)      (GstRTSPExtension *ext, GstRTSPMessage *req);

    53   GstRTSPResult (*after_send)       (GstRTSPExtension *ext, GstRTSPMessage *req, GstRTSPMessage *resp);

    54 

    55   GstRTSPResult (*parse_sdp)        (GstRTSPExtension *ext, GstSDPMessage *sdp, GstStructure *s);

    56   GstRTSPResult (*setup_media)      (GstRTSPExtension *ext, GstSDPMedia *media);

    57 

    58   gboolean      (*configure_stream) (GstRTSPExtension *ext, GstCaps *caps);

    59 

    60   GstRTSPResult (*get_transports)   (GstRTSPExtension *ext, GstRTSPLowerTrans protocols, gchar **transport);

    61 

    62   GstRTSPResult (*stream_select)    (GstRTSPExtension *ext, GstRTSPUrl *url);

    63 

    64   /* signals */

    65   GstRTSPResult (*send)             (GstRTSPExtension *ext, GstRTSPMessage *req, GstRTSPMessage *resp);

    66 

    67   /*< private >*/

    68   gpointer                 _gst_reserved[GST_PADDING];

    69 };

    70 

    71 GType           gst_rtsp_extension_get_type          (void);

    72 

    73 /* invoke vfunction on interface */

    74 gboolean        gst_rtsp_extension_detect_server     (GstRTSPExtension *ext, GstRTSPMessage *resp);

    75   

    76 GstRTSPResult   gst_rtsp_extension_before_send       (GstRTSPExtension *ext, GstRTSPMessage *req);

    77 GstRTSPResult   gst_rtsp_extension_after_send        (GstRTSPExtension *ext, GstRTSPMessage *req,

    78                                                       GstRTSPMessage *resp);

    79 GstRTSPResult   gst_rtsp_extension_parse_sdp         (GstRTSPExtension *ext, GstSDPMessage *sdp,

    80                                                       GstStructure *s);

    81 GstRTSPResult   gst_rtsp_extension_setup_media       (GstRTSPExtension *ext, GstSDPMedia *media);

    82 gboolean        gst_rtsp_extension_configure_stream  (GstRTSPExtension *ext, GstCaps *caps);

    83 GstRTSPResult   gst_rtsp_extension_get_transports    (GstRTSPExtension *ext, GstRTSPLowerTrans protocols,

    84                                                       gchar **transport);

    85 GstRTSPResult   gst_rtsp_extension_stream_select     (GstRTSPExtension *ext, GstRTSPUrl *url);

    86 

    87 /* signal emision */

    88 GstRTSPResult   gst_rtsp_extension_send              (GstRTSPExtension *ext, GstRTSPMessage *req,

    89                                                       GstRTSPMessage *resp);

    90 

    91 G_END_DECLS

    92 

    93 #endif /* __GST_RTSP_EXTENSION_H__ */