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gstreamer/gst/rtsp-server/rtsp-media-factory.h
Mathieu Duponchelle 988db52016 rtsp-server: add API to enable retransmission requests 
"do-retransmission" was previously set when rtx-time != 0,
which made no sense as do-retransmission is used to enable
the sending of retransmission requests, where as rtx-time
is used by the peer to enable storing of buffers in order
to respond to retransmission requests.

rtsp-media now also provides a callback for the
request-aux-receiver signal.

https://bugzilla.gnome.org/show_bug.cgi?id=794822
2018-03-30 17:55:32 +02:00

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/* GStreamer
* Copyright (C) 2008 Wim Taymans <wim.taymans at gmail.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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <gst/gst.h>
#include <gst/rtsp/gstrtspurl.h>
#include "rtsp-media.h"
#include "rtsp-permissions.h"
#include "rtsp-address-pool.h"
#ifndef __GST_RTSP_MEDIA_FACTORY_H__
#define __GST_RTSP_MEDIA_FACTORY_H__
G_BEGIN_DECLS
/* types for the media factory */
#define GST_TYPE_RTSP_MEDIA_FACTORY (gst_rtsp_media_factory_get_type ())
#define GST_IS_RTSP_MEDIA_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_RTSP_MEDIA_FACTORY))
#define GST_IS_RTSP_MEDIA_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_RTSP_MEDIA_FACTORY))
#define GST_RTSP_MEDIA_FACTORY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_RTSP_MEDIA_FACTORY, GstRTSPMediaFactoryClass))
#define GST_RTSP_MEDIA_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_RTSP_MEDIA_FACTORY, GstRTSPMediaFactory))
#define GST_RTSP_MEDIA_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_RTSP_MEDIA_FACTORY, GstRTSPMediaFactoryClass))
#define GST_RTSP_MEDIA_FACTORY_CAST(obj) ((GstRTSPMediaFactory*)(obj))
#define GST_RTSP_MEDIA_FACTORY_CLASS_CAST(klass) ((GstRTSPMediaFactoryClass*)(klass))
typedef struct _GstRTSPMediaFactory GstRTSPMediaFactory;
typedef struct _GstRTSPMediaFactoryClass GstRTSPMediaFactoryClass;
typedef struct _GstRTSPMediaFactoryPrivate GstRTSPMediaFactoryPrivate;
/**
* GstRTSPMediaFactory:
*
* The definition and logic for constructing the pipeline for a media. The media
* can contain multiple streams like audio and video.
*/
struct _GstRTSPMediaFactory {
GObject parent;
/*< private >*/
GstRTSPMediaFactoryPrivate *priv;
gpointer _gst_reserved[GST_PADDING];
};
/**
* GstRTSPMediaFactoryClass:
* @gen_key: convert @url to a key for caching shared #GstRTSPMedia objects.
* The default implementation of this function will use the complete URL
* including the query parameters to return a key.
* @create_element: Construct and return a #GstElement that is a #GstBin containing
* the elements to use for streaming the media. The bin should contain
* payloaders pay\%d for each stream. The default implementation of this
* function returns the bin created from the launch parameter.
* @construct: the vmethod that will be called when the factory has to create the
* #GstRTSPMedia for @url. The default implementation of this
* function calls create_element to retrieve an element and then looks for
* pay\%d to create the streams.
* @create_pipeline: create a new pipeline or re-use an existing one and
* add the #GstRTSPMedia's element created by @construct to the pipeline.
* @configure: configure the media created with @construct. The default
* implementation will configure the 'shared' property of the media.
* @media_constructed: signal emitted when a media was constructed
* @media_configure: signal emitted when a media should be configured
*
* The #GstRTSPMediaFactory class structure.
*/
struct _GstRTSPMediaFactoryClass {
GObjectClass parent_class;
gchar * (*gen_key) (GstRTSPMediaFactory *factory, const GstRTSPUrl *url);
GstElement * (*create_element) (GstRTSPMediaFactory *factory, const GstRTSPUrl *url);
GstRTSPMedia * (*construct) (GstRTSPMediaFactory *factory, const GstRTSPUrl *url);
GstElement * (*create_pipeline) (GstRTSPMediaFactory *factory, GstRTSPMedia *media);
void (*configure) (GstRTSPMediaFactory *factory, GstRTSPMedia *media);
/* signals */
void (*media_constructed) (GstRTSPMediaFactory *factory, GstRTSPMedia *media);
void (*media_configure) (GstRTSPMediaFactory *factory, GstRTSPMedia *media);
/*< private >*/
gpointer _gst_reserved[GST_PADDING_LARGE];
};
GST_RTSP_SERVER_API
GType gst_rtsp_media_factory_get_type (void);
/* creating the factory */
GST_RTSP_SERVER_API
GstRTSPMediaFactory * gst_rtsp_media_factory_new (void);
/* configuring the factory */
GST_RTSP_SERVER_API
void gst_rtsp_media_factory_set_launch (GstRTSPMediaFactory *factory,
const gchar *launch);
GST_RTSP_SERVER_API
gchar * gst_rtsp_media_factory_get_launch (GstRTSPMediaFactory *factory);
GST_RTSP_SERVER_API
void gst_rtsp_media_factory_set_permissions (GstRTSPMediaFactory *factory,
GstRTSPPermissions *permissions);
GST_RTSP_SERVER_API
GstRTSPPermissions * gst_rtsp_media_factory_get_permissions (GstRTSPMediaFactory *factory);
GST_RTSP_SERVER_API
void gst_rtsp_media_factory_add_role (GstRTSPMediaFactory *factory,
const gchar *role,
const gchar *fieldname, ...);
GST_RTSP_SERVER_API
void gst_rtsp_media_factory_add_role_from_structure (GstRTSPMediaFactory * factory,
GstStructure *structure);
GST_RTSP_SERVER_API
void gst_rtsp_media_factory_set_shared (GstRTSPMediaFactory *factory,
gboolean shared);
GST_RTSP_SERVER_API
gboolean gst_rtsp_media_factory_is_shared (GstRTSPMediaFactory *factory);
GST_RTSP_SERVER_API
void gst_rtsp_media_factory_set_stop_on_disconnect (GstRTSPMediaFactory *factory,
gboolean stop_on_disconnect);
GST_RTSP_SERVER_API
gboolean gst_rtsp_media_factory_is_stop_on_disonnect (GstRTSPMediaFactory *factory);
GST_RTSP_SERVER_API
void gst_rtsp_media_factory_set_suspend_mode (GstRTSPMediaFactory *factory,
GstRTSPSuspendMode mode);
GST_RTSP_SERVER_API
GstRTSPSuspendMode gst_rtsp_media_factory_get_suspend_mode (GstRTSPMediaFactory *factory);
GST_RTSP_SERVER_API
void gst_rtsp_media_factory_set_eos_shutdown (GstRTSPMediaFactory *factory,
gboolean eos_shutdown);
GST_RTSP_SERVER_API
gboolean gst_rtsp_media_factory_is_eos_shutdown (GstRTSPMediaFactory *factory);
GST_RTSP_SERVER_API
void gst_rtsp_media_factory_set_profiles (GstRTSPMediaFactory *factory,
GstRTSPProfile profiles);
GST_RTSP_SERVER_API
GstRTSPProfile gst_rtsp_media_factory_get_profiles (GstRTSPMediaFactory *factory);
GST_RTSP_SERVER_API
void gst_rtsp_media_factory_set_protocols (GstRTSPMediaFactory *factory,
GstRTSPLowerTrans protocols);
GST_RTSP_SERVER_API
GstRTSPLowerTrans gst_rtsp_media_factory_get_protocols (GstRTSPMediaFactory *factory);
GST_RTSP_SERVER_API
void gst_rtsp_media_factory_set_address_pool (GstRTSPMediaFactory * factory,
GstRTSPAddressPool * pool);
GST_RTSP_SERVER_API
GstRTSPAddressPool * gst_rtsp_media_factory_get_address_pool (GstRTSPMediaFactory * factory);
GST_RTSP_SERVER_API
void gst_rtsp_media_factory_set_multicast_iface (GstRTSPMediaFactory *factory, const gchar *multicast_iface);
GST_RTSP_SERVER_API
gchar * gst_rtsp_media_factory_get_multicast_iface (GstRTSPMediaFactory *factory);
GST_RTSP_SERVER_API
void gst_rtsp_media_factory_set_buffer_size (GstRTSPMediaFactory * factory,
guint size);
GST_RTSP_SERVER_API
guint gst_rtsp_media_factory_get_buffer_size (GstRTSPMediaFactory * factory);
GST_RTSP_SERVER_API
void gst_rtsp_media_factory_set_retransmission_time (GstRTSPMediaFactory * factory,
GstClockTime time);
GST_RTSP_SERVER_API
GstClockTime gst_rtsp_media_factory_get_retransmission_time (GstRTSPMediaFactory * factory);
GST_RTSP_SERVER_API
void gst_rtsp_media_factory_set_do_retransmission (GstRTSPMediaFactory * factory,
gboolean do_retransmission);
GST_RTSP_SERVER_API
gboolean gst_rtsp_media_factory_get_do_retransmission (GstRTSPMediaFactory * factory);
GST_RTSP_SERVER_API
void gst_rtsp_media_factory_set_latency (GstRTSPMediaFactory * factory,
guint latency);
GST_RTSP_SERVER_API
guint gst_rtsp_media_factory_get_latency (GstRTSPMediaFactory * factory);
GST_RTSP_SERVER_API
void gst_rtsp_media_factory_set_transport_mode (GstRTSPMediaFactory *factory,
GstRTSPTransportMode mode);
GST_RTSP_SERVER_API
GstRTSPTransportMode gst_rtsp_media_factory_get_transport_mode (GstRTSPMediaFactory *factory);
GST_RTSP_SERVER_API
void gst_rtsp_media_factory_set_media_gtype (GstRTSPMediaFactory * factory,
GType media_gtype);
GST_RTSP_SERVER_API
GType gst_rtsp_media_factory_get_media_gtype (GstRTSPMediaFactory * factory);
GST_RTSP_SERVER_API
void gst_rtsp_media_factory_set_clock (GstRTSPMediaFactory *factory,
GstClock * clock);
GST_RTSP_SERVER_API
GstClock * gst_rtsp_media_factory_get_clock (GstRTSPMediaFactory *factory);
GST_RTSP_SERVER_API
void gst_rtsp_media_factory_set_publish_clock_mode (GstRTSPMediaFactory * factory, GstRTSPPublishClockMode mode);
GST_RTSP_SERVER_API
GstRTSPPublishClockMode gst_rtsp_media_factory_get_publish_clock_mode (GstRTSPMediaFactory * factory);
/* creating the media from the factory and a url */
GST_RTSP_SERVER_API
GstRTSPMedia * gst_rtsp_media_factory_construct (GstRTSPMediaFactory *factory,
const GstRTSPUrl *url);
GST_RTSP_SERVER_API
GstElement * gst_rtsp_media_factory_create_element (GstRTSPMediaFactory *factory,
const GstRTSPUrl *url);
#ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstRTSPMediaFactory, gst_object_unref)
#endif
G_END_DECLS
#endif /* __GST_RTSP_MEDIA_FACTORY_H__ */
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