/usr/include/libpurple/media-gst.h is in libpurple-dev 2.12.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 | /**
* @file media-gst.h Media API
* @ingroup core
*/
/* purple
*
* Purple is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*/
#ifndef _PURPLE_MEDIA_GST_H_
#define _PURPLE_MEDIA_GST_H_
#include "media.h"
#include "mediamanager.h"
#include <gst/gst.h>
G_BEGIN_DECLS
#define PURPLE_TYPE_MEDIA_ELEMENT_TYPE (purple_media_element_type_get_type())
#define PURPLE_TYPE_MEDIA_ELEMENT_INFO (purple_media_element_info_get_type())
#define PURPLE_MEDIA_ELEMENT_INFO(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), PURPLE_TYPE_MEDIA_ELEMENT_INFO, PurpleMediaElementInfo))
#define PURPLE_MEDIA_ELEMENT_INFO_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), PURPLE_TYPE_MEDIA_ELEMENT_INFO, PurpleMediaElementInfo))
#define PURPLE_IS_MEDIA_ELEMENT_INFO(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), PURPLE_TYPE_MEDIA_ELEMENT_INFO))
#define PURPLE_IS_MEDIA_ELEMENT_INFO_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), PURPLE_TYPE_MEDIA_ELEMENT_INFO))
#define PURPLE_MEDIA_ELEMENT_INFO_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), PURPLE_TYPE_MEDIA_ELEMENT_INFO, PurpleMediaElementInfo))
/** An opaque structure representing an audio/video source/sink. */
typedef struct _PurpleMediaElementInfo PurpleMediaElementInfo;
typedef struct _PurpleMediaElementInfoClass PurpleMediaElementInfoClass;
typedef GstElement *(*PurpleMediaElementCreateCallback)(PurpleMedia *media,
const gchar *session_id, const gchar *participant);
typedef enum {
PURPLE_MEDIA_ELEMENT_NONE = 0, /** empty element */
PURPLE_MEDIA_ELEMENT_AUDIO = 1, /** supports audio */
PURPLE_MEDIA_ELEMENT_VIDEO = 1 << 1, /** supports video */
PURPLE_MEDIA_ELEMENT_AUDIO_VIDEO = PURPLE_MEDIA_ELEMENT_AUDIO
| PURPLE_MEDIA_ELEMENT_VIDEO, /** supports audio and video */
PURPLE_MEDIA_ELEMENT_NO_SRCS = 0, /** has no src pads */
PURPLE_MEDIA_ELEMENT_ONE_SRC = 1 << 2, /** has one src pad */
PURPLE_MEDIA_ELEMENT_MULTI_SRC = 1 << 3, /** has multiple src pads */
PURPLE_MEDIA_ELEMENT_REQUEST_SRC = 1 << 4, /** src pads must be requested */
PURPLE_MEDIA_ELEMENT_NO_SINKS = 0, /** has no sink pads */
PURPLE_MEDIA_ELEMENT_ONE_SINK = 1 << 5, /** has one sink pad */
PURPLE_MEDIA_ELEMENT_MULTI_SINK = 1 << 6, /** has multiple sink pads */
PURPLE_MEDIA_ELEMENT_REQUEST_SINK = 1 << 7, /** sink pads must be requested */
PURPLE_MEDIA_ELEMENT_UNIQUE = 1 << 8, /** This element is unique and
only one instance of it should
be created at a time */
PURPLE_MEDIA_ELEMENT_SRC = 1 << 9, /** can be set as an active src */
PURPLE_MEDIA_ELEMENT_SINK = 1 << 10, /** can be set as an active sink */
PURPLE_MEDIA_ELEMENT_APPLICATION = 1 << 11, /** supports application data */
} PurpleMediaElementType;
#ifdef __cplusplus
extern "C" {
#endif
/**
* Gets the element type's GType.
*
* @return The element type's GType.
*
* @since 2.6.0
*/
GType purple_media_element_type_get_type(void);
/**
* Gets the element info's GType.
*
* @return The element info's GType.
*
* @since 2.6.0
*/
GType purple_media_element_info_get_type(void);
/**
* Gets the source from a session
*
* @param media The media object the session is in.
* @param sess_id The session id of the session to get the source from.
*
* @return The source retrieved.
*
* @since 2.6.0
*/
GstElement *purple_media_get_src(PurpleMedia *media, const gchar *sess_id);
/**
* Gets the tee from a given session/stream.
*
* @param media The instance to get the tee from.
* @param session_id The id of the session to get the tee from.
* @param participant Optionally, the participant of the stream to get the tee from.
*
* @return The GstTee element from the chosen session/stream.
*
* @since 2.6.0
*/
GstElement *purple_media_get_tee(PurpleMedia *media,
const gchar *session_id, const gchar *participant);
/**
* Gets the pipeline from the media manager.
*
* @param manager The media manager to get the pipeline from.
*
* @return The pipeline.
*
* @since 2.6.0
*/
GstElement *purple_media_manager_get_pipeline(PurpleMediaManager *manager);
/**
* Returns a GStreamer source or sink for audio or video.
*
* @param manager The media manager to use to obtain the source/sink.
* @param type The type of source/sink to get.
* @param media The media call this element is requested for.
* @param session_id The id of the session this element is requested for or NULL.
* @param participant The remote user this element is requested for or NULL.
*
* @since 2.6.0
*/
GstElement *purple_media_manager_get_element(PurpleMediaManager *manager,
PurpleMediaSessionType type, PurpleMedia *media,
const gchar *session_id, const gchar *participant);
PurpleMediaElementInfo *purple_media_manager_get_element_info(
PurpleMediaManager *manager, const gchar *name);
gboolean purple_media_manager_register_element(PurpleMediaManager *manager,
PurpleMediaElementInfo *info);
gboolean purple_media_manager_unregister_element(PurpleMediaManager *manager,
const gchar *name);
gboolean purple_media_manager_set_active_element(PurpleMediaManager *manager,
PurpleMediaElementInfo *info);
PurpleMediaElementInfo *purple_media_manager_get_active_element(
PurpleMediaManager *manager, PurpleMediaElementType type);
/**
* Reduces media formats supported by the video source to given set.
*
* Useful to force negotiation of smaller picture resolution more suitable for
* use with particular codec and communication protocol without rescaling.
*
* @param manager The media manager to set the media formats.
* @param caps Set of allowed media formats.
*
* @since 2.8.0
*/
void purple_media_manager_set_video_caps(PurpleMediaManager *manager,
GstCaps *caps);
/**
* Returns current set of media formats limiting the output from video source.
*
* @param manager The media manager to get the media formats from.
*
* @return @c GstCaps limiting the video source's formats.
*
* @since 2.8.0
*/
GstCaps *purple_media_manager_get_video_caps(PurpleMediaManager *manager);
gchar *purple_media_element_info_get_id(PurpleMediaElementInfo *info);
gchar *purple_media_element_info_get_name(PurpleMediaElementInfo *info);
PurpleMediaElementType purple_media_element_info_get_element_type(
PurpleMediaElementInfo *info);
GstElement *purple_media_element_info_call_create(
PurpleMediaElementInfo *info, PurpleMedia *media,
const gchar *session_id, const gchar *participant);
#ifdef __cplusplus
}
#endif
G_END_DECLS
#endif /* _PURPLE_MEDIA_GST_H_ */
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