gstreamer/subprojects/gst-plugins-base/gst-libs/gst/rtsp/gstrtspextension.h

122 lines
4.4 KiB
C

/* GStreamer RTSP Extension
* Copyright (C) 2007 Wim Taymans <wim@fluendo.com>
*
* gstrtspextension.h: RTSP Extension interface.
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_RTSP_EXTENSION_H__
#define __GST_RTSP_EXTENSION_H__
#include <gst/gst.h>
#include <gst/sdp/gstsdpmessage.h>
#include <gst/rtsp/gstrtsptransport.h>
#include <gst/rtsp/gstrtspmessage.h>
#include <gst/rtsp/gstrtspurl.h>
G_BEGIN_DECLS
#define GST_TYPE_RTSP_EXTENSION \
(gst_rtsp_extension_get_type ())
#define GST_RTSP_EXTENSION(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_RTSP_EXTENSION, GstRTSPExtension))
#define GST_IS_RTSP_EXTENSION(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_RTSP_EXTENSION))
#define GST_RTSP_EXTENSION_GET_INTERFACE(inst) \
(G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_RTSP_EXTENSION, GstRTSPExtensionInterface))
/**
* GstRTSPExtensionInterface:
*
* An interface representing RTSP extensions.
*/
typedef struct _GstRTSPExtension GstRTSPExtension;
typedef struct _GstRTSPExtensionInterface GstRTSPExtensionInterface;
struct _GstRTSPExtensionInterface {
GTypeInterface parent;
/* vfunctions */
gboolean (*detect_server) (GstRTSPExtension *ext, GstRTSPMessage *resp);
GstRTSPResult (*before_send) (GstRTSPExtension *ext, GstRTSPMessage *req);
GstRTSPResult (*after_send) (GstRTSPExtension *ext, GstRTSPMessage *req, GstRTSPMessage *resp);
GstRTSPResult (*parse_sdp) (GstRTSPExtension *ext, GstSDPMessage *sdp, GstStructure *s);
GstRTSPResult (*setup_media) (GstRTSPExtension *ext, GstSDPMedia *media);
gboolean (*configure_stream) (GstRTSPExtension *ext, GstCaps *caps);
GstRTSPResult (*get_transports) (GstRTSPExtension *ext, GstRTSPLowerTrans protocols, gchar **transport);
GstRTSPResult (*stream_select) (GstRTSPExtension *ext, GstRTSPUrl *url);
/* signals */
GstRTSPResult (*send) (GstRTSPExtension *ext, GstRTSPMessage *req, GstRTSPMessage *resp);
/* ABI: more vfunctions added later */
GstRTSPResult (*receive_request) (GstRTSPExtension *ext, GstRTSPMessage *req);
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
};
GST_RTSP_API
GType gst_rtsp_extension_get_type (void);
/* invoke vfunction on interface */
GST_RTSP_API
gboolean gst_rtsp_extension_detect_server (GstRTSPExtension *ext, GstRTSPMessage *resp);
GST_RTSP_API
GstRTSPResult gst_rtsp_extension_before_send (GstRTSPExtension *ext, GstRTSPMessage *req);
GST_RTSP_API
GstRTSPResult gst_rtsp_extension_after_send (GstRTSPExtension *ext, GstRTSPMessage *req,
GstRTSPMessage *resp);
GST_RTSP_API
GstRTSPResult gst_rtsp_extension_parse_sdp (GstRTSPExtension *ext, GstSDPMessage *sdp,
GstStructure *s);
GST_RTSP_API
GstRTSPResult gst_rtsp_extension_setup_media (GstRTSPExtension *ext, GstSDPMedia *media);
GST_RTSP_API
gboolean gst_rtsp_extension_configure_stream (GstRTSPExtension *ext, GstCaps *caps);
GST_RTSP_API
GstRTSPResult gst_rtsp_extension_get_transports (GstRTSPExtension *ext, GstRTSPLowerTrans protocols,
gchar **transport);
GST_RTSP_API
GstRTSPResult gst_rtsp_extension_stream_select (GstRTSPExtension *ext, GstRTSPUrl *url);
GST_RTSP_API
GstRTSPResult gst_rtsp_extension_receive_request (GstRTSPExtension *ext, GstRTSPMessage *req);
/* signal emission */
GST_RTSP_API
GstRTSPResult gst_rtsp_extension_send (GstRTSPExtension *ext, GstRTSPMessage *req,
GstRTSPMessage *resp);
G_END_DECLS
#endif /* __GST_RTSP_EXTENSION_H__ */