pidgin  2.14.10
media-gst.h
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1 
6 /* purple
7  *
8  * Purple is the legal property of its developers, whose names are too numerous
9  * to list here. Please refer to the COPYRIGHT file distributed with this
10  * source distribution.
11  *
12  * This program is free software; you can redistribute it and/or modify
13  * it under the terms of the GNU General Public License as published by
14  * the Free Software Foundation; either version 2 of the License, or
15  * (at your option) any later version.
16  *
17  * This program is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20  * GNU General Public License for more details.
21  *
22  * You should have received a copy of the GNU General Public License
23  * along with this program; if not, write to the Free Software
24  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
25  */
26 
27 #ifndef _PURPLE_MEDIA_GST_H_
28 #define _PURPLE_MEDIA_GST_H_
29 
30 #include "media.h"
31 #include "mediamanager.h"
32 
33 #include <gst/gst.h>
34 
35 G_BEGIN_DECLS
36 
37 #define PURPLE_TYPE_MEDIA_ELEMENT_TYPE (purple_media_element_type_get_type())
38 #define PURPLE_TYPE_MEDIA_ELEMENT_INFO (purple_media_element_info_get_type())
39 #define PURPLE_MEDIA_ELEMENT_INFO(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), PURPLE_TYPE_MEDIA_ELEMENT_INFO, PurpleMediaElementInfo))
40 #define PURPLE_MEDIA_ELEMENT_INFO_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), PURPLE_TYPE_MEDIA_ELEMENT_INFO, PurpleMediaElementInfo))
41 #define PURPLE_IS_MEDIA_ELEMENT_INFO(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), PURPLE_TYPE_MEDIA_ELEMENT_INFO))
42 #define PURPLE_IS_MEDIA_ELEMENT_INFO_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), PURPLE_TYPE_MEDIA_ELEMENT_INFO))
43 #define PURPLE_MEDIA_ELEMENT_INFO_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), PURPLE_TYPE_MEDIA_ELEMENT_INFO, PurpleMediaElementInfo))
44 
46 typedef struct _PurpleMediaElementInfo PurpleMediaElementInfo;
47 typedef struct _PurpleMediaElementInfoClass PurpleMediaElementInfoClass;
48 typedef GstElement *(*PurpleMediaElementCreateCallback)(PurpleMedia *media,
49  const gchar *session_id, const gchar *participant);
50 
51 typedef enum {
52  PURPLE_MEDIA_ELEMENT_NONE = 0,
76 
77 #ifdef __cplusplus
78 extern "C" {
79 #endif
80 
89 
98 
109 GstElement *purple_media_get_src(PurpleMedia *media, const gchar *sess_id);
110 
123  const gchar *session_id, const gchar *participant);
124 
125 
136 
149  PurpleMediaSessionType type, PurpleMedia *media,
150  const gchar *session_id, const gchar *participant);
151 
162 
163 PurpleMediaElementInfo *purple_media_manager_get_element_info(
164  PurpleMediaManager *manager, const gchar *name);
165 gboolean purple_media_manager_register_element(PurpleMediaManager *manager,
166  PurpleMediaElementInfo *info);
167 gboolean purple_media_manager_unregister_element(PurpleMediaManager *manager,
168  const gchar *name);
169 gboolean purple_media_manager_set_active_element(PurpleMediaManager *manager,
170  PurpleMediaElementInfo *info);
171 PurpleMediaElementInfo *purple_media_manager_get_active_element(
173 
186  GstCaps *caps);
187 
198 
199 gchar *purple_media_element_info_get_id(PurpleMediaElementInfo *info);
200 gchar *purple_media_element_info_get_name(PurpleMediaElementInfo *info);
201 PurpleMediaElementType purple_media_element_info_get_element_type(
202  PurpleMediaElementInfo *info);
203 GstElement *purple_media_element_info_call_create(
204  PurpleMediaElementInfo *info, PurpleMedia *media,
205  const gchar *session_id, const gchar *participant);
206 
207 #ifdef __cplusplus
208 }
209 #endif
210 
211 G_END_DECLS
212 
213 #endif /* _PURPLE_MEDIA_GST_H_ */
void purple_media_manager_set_video_caps(PurpleMediaManager *manager, GstCaps *caps)
Reduces media formats supported by the video source to given set.
GType purple_media_element_type_get_type(void)
Gets the element type's GType.
GstElement * purple_media_manager_get_element(PurpleMediaManager *manager, PurpleMediaSessionType type, PurpleMedia *media, const gchar *session_id, const gchar *participant)
Returns a GStreamer source or sink for audio or video.
GstCaps * purple_media_manager_get_video_caps(PurpleMediaManager *manager)
Returns current set of media formats limiting the output from video source.
GstElement * purple_media_get_tee(PurpleMedia *media, const gchar *session_id, const gchar *participant)
Gets the tee from a given session/stream.
GstElement * purple_media_get_src(PurpleMedia *media, const gchar *sess_id)
Gets the source from a session.
GType purple_media_element_info_get_type(void)
Gets the element info's GType.
GstElement * purple_media_manager_get_pipeline(PurpleMediaManager *manager)
Gets the pipeline from the media manager.
GList * purple_media_manager_enumerate_elements(PurpleMediaManager *manager, PurpleMediaElementType type)
purple_media_manager_enumerate_elements: @manager: The media manager to use to obtain the element inf...
PurpleMediaElementType
Definition: media-gst.h:51
@ PURPLE_MEDIA_ELEMENT_MULTI_SRC
has one src pad
Definition: media-gst.h:60
@ PURPLE_MEDIA_ELEMENT_UNIQUE
sink pads must be requested
Definition: media-gst.h:68
@ PURPLE_MEDIA_ELEMENT_SINK
can be set as an active src
Definition: media-gst.h:73
@ PURPLE_MEDIA_ELEMENT_NO_SINKS
src pads must be requested
Definition: media-gst.h:63
@ PURPLE_MEDIA_ELEMENT_AUDIO_VIDEO
supports video
Definition: media-gst.h:55
@ PURPLE_MEDIA_ELEMENT_APPLICATION
can be set as an active sink
Definition: media-gst.h:74
@ PURPLE_MEDIA_ELEMENT_REQUEST_SINK
has multiple sink pads
Definition: media-gst.h:66
@ PURPLE_MEDIA_ELEMENT_VIDEO
supports audio
Definition: media-gst.h:54
@ PURPLE_MEDIA_ELEMENT_NO_SRCS
supports audio and video
Definition: media-gst.h:58
@ PURPLE_MEDIA_ELEMENT_SRC
This element is unique and only one instance of it should be created at a time.
Definition: media-gst.h:72
@ PURPLE_MEDIA_ELEMENT_ONE_SINK
has no sink pads
Definition: media-gst.h:64
@ PURPLE_MEDIA_ELEMENT_MULTI_SINK
has one sink pad
Definition: media-gst.h:65
@ PURPLE_MEDIA_ELEMENT_REQUEST_SRC
has multiple src pads
Definition: media-gst.h:61
@ PURPLE_MEDIA_ELEMENT_AUDIO
empty element
Definition: media-gst.h:53
@ PURPLE_MEDIA_ELEMENT_ONE_SRC
has no src pads
Definition: media-gst.h:59
struct _PurpleMediaElementInfo PurpleMediaElementInfo
An opaque structure representing an audio/video source/sink.
Definition: media-gst.h:46
Media API.
struct _PurpleMedia PurpleMedia
An opaque structure representing a media call.
Definition: media.h:48
Media Manager API.
struct _PurpleMediaManager PurpleMediaManager
An opaque structure representing a group of (usually all) media calls.
Definition: mediamanager.h:34