gstreamer/gst/rtsp-server/rtsp-media.h
Wim Taymans 998cf7d5c7 Add shared properties to media and factory
Add the shared property to media.
Implement some simple caching in the factory depending on if the media is shared
or not.
2009-01-30 12:17:46 +01:00

152 lines
5.1 KiB
C

/* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <gst/gst.h>
#include <gst/rtsp/gstrtspurl.h>
#ifndef __GST_RTSP_MEDIA_H__
#define __GST_RTSP_MEDIA_H__
G_BEGIN_DECLS
/* types for the media */
#define GST_TYPE_RTSP_MEDIA (gst_rtsp_media_get_type ())
#define GST_IS_RTSP_MEDIA(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_RTSP_MEDIA))
#define GST_IS_RTSP_MEDIA_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_RTSP_MEDIA))
#define GST_RTSP_MEDIA_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_RTSP_MEDIA, GstRTSPMediaClass))
#define GST_RTSP_MEDIA(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_RTSP_MEDIA, GstRTSPMedia))
#define GST_RTSP_MEDIA_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_RTSP_MEDIA, GstRTSPMediaClass))
#define GST_RTSP_MEDIA_CAST(obj) ((GstRTSPMedia*)(obj))
#define GST_RTSP_MEDIA_CLASS_CAST(klass) ((GstRTSPMediaClass*)(klass))
typedef struct _GstRTSPMediaStream GstRTSPMediaStream;
typedef struct _GstRTSPMedia GstRTSPMedia;
typedef struct _GstRTSPMediaClass GstRTSPMediaClass;
/**
* GstRTSPMediaStream:
*
* @media: the owner #GstRTSPMedia
* @idx: the stream index
* @srcpad: the srcpad of the stream
* @payloader: the payloader of the format
* @prepared: if the stream is prepared for streaming
* @server_port: the server udp ports
* @recv_rtp_sink: sinkpad for RTP buffers
* @recv_rtcp_sink: sinkpad for RTCP buffers
* @recv_rtp_src: srcpad for RTP buffers
* @recv_rtcp_src: srcpad for RTCP buffers
* @udpsrc: the udp source elements for RTP/RTCP
* @udpsink: the udp sink elements for RTP/RTCP
* @caps_sig: the signal id for detecting caps
* @caps: the caps of the stream
*
* The definition of a media stream. The streams are identified by @id.
*/
struct _GstRTSPMediaStream {
GstRTSPMedia *media;
guint idx;
GstPad *srcpad;
GstElement *payloader;
gboolean prepared;
GstRTSPRange server_port;
/* pads on the rtpbin */
GstPad *recv_rtcp_sink;
GstPad *send_rtp_sink;
GstPad *send_rtp_src;
GstPad *send_rtcp_src;
/* sinks used for sending and receiving RTP and RTCP, they share
* sockets */
GstElement *udpsrc[2];
GstElement *udpsink[2];
/* the caps of the stream */
gulong caps_sig;
GstCaps *caps;
};
/**
* GstRTSPMedia:
* @shared: if this media can be shared between clients
* @element: the data providing element
* @stream: the different streams provided by @element
* @prepared: if the media is prepared for streaming
* @pipeline: the toplevel pipeline
* @rtpbin: the rtpbin
* @multifdsink: multifdsink element for TCP transport
*
* A class that contains the GStreamer element along with a list of
* #GstRTSPediaStream objects that can produce data.
*
* This object is usually created from a #GstRTSPMediaFactory.
*/
struct _GstRTSPMedia {
GObject parent;
gboolean shared;
GstElement *element;
GArray *streams;
gboolean prepared;
/* the pipeline for the media */
GstElement *pipeline;
/* RTP session manager */
GstElement *rtpbin;
/* for TCP transport */
GstElement *multifdsink;
};
struct _GstRTSPMediaClass {
GObjectClass parent_class;
};
GType gst_rtsp_media_get_type (void);
/* creating the media */
GstRTSPMedia * gst_rtsp_media_new (void);
void gst_rtsp_media_set_shared (GstRTSPMedia *media, gboolean shared);
gboolean gst_rtsp_media_is_shared (GstRTSPMedia *media);
/* prepare the media for playback */
gboolean gst_rtsp_media_prepare (GstRTSPMedia *media);
/* dealing with the media */
guint gst_rtsp_media_n_streams (GstRTSPMedia *media);
GstRTSPMediaStream * gst_rtsp_media_get_stream (GstRTSPMedia *media, guint idx);
/* add destinations to a stream */
gboolean gst_rtsp_media_stream_add (GstRTSPMediaStream *stream, GstRTSPTransport *ct);
gboolean gst_rtsp_media_stream_remove (GstRTSPMediaStream *stream, GstRTSPTransport *ct);
GstStateChangeReturn gst_rtsp_media_play (GstRTSPMedia *media);
GstStateChangeReturn gst_rtsp_media_pause (GstRTSPMedia *media);
GstStateChangeReturn gst_rtsp_media_stop (GstRTSPMedia *media);
G_END_DECLS
#endif /* __GST_RTSP_MEDIA_H__ */