2 * Copyright (C) 2008 Wim Taymans <wim.taymans at gmail.com>
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.
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.
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., 51 Franklin St, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
21 #include <gst/rtsp/gstrtsprange.h>
22 #include <gst/rtsp/gstrtspurl.h>
24 #ifndef __GST_RTSP_MEDIA_H__
25 #define __GST_RTSP_MEDIA_H__
29 /* types for the media */
30 #define GST_TYPE_RTSP_MEDIA (gst_rtsp_media_get_type ())
31 #define GST_IS_RTSP_MEDIA(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_RTSP_MEDIA))
32 #define GST_IS_RTSP_MEDIA_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_RTSP_MEDIA))
33 #define GST_RTSP_MEDIA_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_RTSP_MEDIA, GstRTSPMediaClass))
34 #define GST_RTSP_MEDIA(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_RTSP_MEDIA, GstRTSPMedia))
35 #define GST_RTSP_MEDIA_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_RTSP_MEDIA, GstRTSPMediaClass))
36 #define GST_RTSP_MEDIA_CAST(obj) ((GstRTSPMedia*)(obj))
37 #define GST_RTSP_MEDIA_CLASS_CAST(klass) ((GstRTSPMediaClass*)(klass))
39 typedef struct _GstRTSPMedia GstRTSPMedia;
40 typedef struct _GstRTSPMediaClass GstRTSPMediaClass;
42 #include "rtsp-stream.h"
43 #include "rtsp-auth.h"
44 #include "rtsp-address-pool.h"
48 * @GST_RTSP_MEDIA_STATUS_UNPREPARED: media pipeline not prerolled
49 * @GST_RTSP_MEDIA_STATUS_UNPREPARING: media pipeline is busy doing a clean
51 * @GST_RTSP_MEDIA_STATUS_PREPARING: media pipeline is prerolling
52 * @GST_RTSP_MEDIA_STATUS_PREPARED: media pipeline is prerolled
53 * @GST_RTSP_MEDIA_STATUS_ERROR: media pipeline is in error
55 * The state of the media pipeline.
58 GST_RTSP_MEDIA_STATUS_UNPREPARED = 0,
59 GST_RTSP_MEDIA_STATUS_UNPREPARING = 1,
60 GST_RTSP_MEDIA_STATUS_PREPARING = 2,
61 GST_RTSP_MEDIA_STATUS_PREPARED = 3,
62 GST_RTSP_MEDIA_STATUS_ERROR = 4
67 * @parent: parent GObject
68 * @lock: for protecting the object
69 * @cond: for signaling the object
70 * @shared: if this media can be shared between clients
71 * @reusable: if this media can be reused after an unprepare
72 * @protocols: the allowed lower transport for this stream
73 * @reused: if this media has been reused
74 * @is_ipv6: if this media is using ipv6
75 * @eos_shutdown: if EOS should be sent on shutdown
76 * @buffer_size: The UDP buffer size
77 * @auth: the authentication service in use
78 * @multicast_group: the multicast group to use
79 * @mtu: the MTU of the payloaders
80 * @element: the data providing element
81 * @streams: the different #GstRTSPStream provided by @element
82 * @dynamic: list of dynamic elements managed by @element
83 * @status: the status of the media pipeline
84 * @n_active: the number of active connections
85 * @adding: when elements are added to the pipeline
86 * @pipeline: the toplevel pipeline
87 * @fakesink: for making state changes async
88 * @source: the bus watch for pipeline messages.
89 * @id: the id of the watch
90 * @is_live: if the pipeline is live
91 * @seekable: if the pipeline can perform a seek
92 * @buffering: if the pipeline is buffering
93 * @target_state: the desired target state of the pipeline
95 * @range: the range of the media being streamed
97 * A class that contains the GStreamer element along with a list of
98 * #GstRTSPStream objects that can produce data.
100 * This object is usually created from a #GstRTSPMediaFactory.
102 struct _GstRTSPMedia {
110 GstRTSPLowerTrans protocols;
113 gboolean eos_shutdown;
116 GstRTSPAddressPool*pool;
120 GRecMutex state_lock;
123 GstRTSPMediaStatus status;
127 /* the pipeline for the media */
128 GstElement *pipeline;
129 GstElement *fakesink;
136 GstState target_state;
138 /* RTP session manager */
141 /* the range of media */
142 GstRTSPTimeRange range;
147 * @context: the main context for dispatching messages
148 * @loop: the mainloop for message.
149 * @thread: the thread dispatching messages.
150 * @handle_message: handle a message
151 * @unprepare: the default implementation sets the pipeline's state
152 * to GST_STATE_NULL and removes all elements.
154 * The RTSP media class
156 struct _GstRTSPMediaClass {
157 GObjectClass parent_class;
159 /* thread for the mainloop */
160 GMainContext *context;
165 gboolean (*handle_message) (GstRTSPMedia *media, GstMessage *message);
166 gboolean (*unprepare) (GstRTSPMedia *media);
169 gboolean (*prepared) (GstRTSPMedia *media);
170 gboolean (*unprepared) (GstRTSPMedia *media);
172 gboolean (*new_state) (GstRTSPMedia *media, GstState state);
175 GType gst_rtsp_media_get_type (void);
177 /* creating the media */
178 GstRTSPMedia * gst_rtsp_media_new (void);
180 void gst_rtsp_media_set_shared (GstRTSPMedia *media, gboolean shared);
181 gboolean gst_rtsp_media_is_shared (GstRTSPMedia *media);
183 void gst_rtsp_media_set_reusable (GstRTSPMedia *media, gboolean reusable);
184 gboolean gst_rtsp_media_is_reusable (GstRTSPMedia *media);
186 void gst_rtsp_media_set_protocols (GstRTSPMedia *media, GstRTSPLowerTrans protocols);
187 GstRTSPLowerTrans gst_rtsp_media_get_protocols (GstRTSPMedia *media);
189 void gst_rtsp_media_set_eos_shutdown (GstRTSPMedia *media, gboolean eos_shutdown);
190 gboolean gst_rtsp_media_is_eos_shutdown (GstRTSPMedia *media);
192 void gst_rtsp_media_set_auth (GstRTSPMedia *media, GstRTSPAuth *auth);
193 GstRTSPAuth * gst_rtsp_media_get_auth (GstRTSPMedia *media);
195 void gst_rtsp_media_set_address_pool (GstRTSPMedia *media, GstRTSPAddressPool *pool);
196 GstRTSPAddressPool * gst_rtsp_media_get_address_pool (GstRTSPMedia *media);
198 void gst_rtsp_media_set_buffer_size (GstRTSPMedia *media, guint size);
199 guint gst_rtsp_media_get_buffer_size (GstRTSPMedia *media);
201 void gst_rtsp_media_set_mtu (GstRTSPMedia *media, guint mtu);
202 guint gst_rtsp_media_get_mtu (GstRTSPMedia *media);
205 /* prepare the media for playback */
206 gboolean gst_rtsp_media_prepare (GstRTSPMedia *media);
207 gboolean gst_rtsp_media_unprepare (GstRTSPMedia *media);
209 /* creating streams */
210 void gst_rtsp_media_collect_streams (GstRTSPMedia *media);
211 GstRTSPStream * gst_rtsp_media_create_stream (GstRTSPMedia *media,
212 GstElement *payloader,
215 /* dealing with the media */
216 guint gst_rtsp_media_n_streams (GstRTSPMedia *media);
217 GstRTSPStream * gst_rtsp_media_get_stream (GstRTSPMedia *media, guint idx);
219 gboolean gst_rtsp_media_seek (GstRTSPMedia *media, GstRTSPTimeRange *range);
220 gchar * gst_rtsp_media_get_range_string (GstRTSPMedia *media, gboolean play);
222 gboolean gst_rtsp_media_set_state (GstRTSPMedia *media, GstState state,
223 GPtrArray *transports);
227 #endif /* __GST_RTSP_MEDIA_H__ */