* @file media.h Media API * 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 * 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 #include "media/candidate.h" #include "media/enum-types.h" #define PURPLE_TYPE_MEDIA (purple_media_get_type()) #define PURPLE_MEDIA(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), PURPLE_TYPE_MEDIA, PurpleMedia)) #define PURPLE_MEDIA_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), PURPLE_TYPE_MEDIA, PurpleMediaClass)) #define PURPLE_IS_MEDIA(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), PURPLE_TYPE_MEDIA)) #define PURPLE_IS_MEDIA_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), PURPLE_TYPE_MEDIA)) #define PURPLE_MEDIA_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), PURPLE_TYPE_MEDIA, PurpleMediaClass)) /** An opaque structure representing a media call. */ typedef struct _PurpleMedia PurpleMedia; * Gets the media class's GType * @return The media class's GType. GType purple_media_get_type(void); * Gets a list of session IDs. * @param media The media session from which to retrieve session IDs. * @return GList of session IDs. The caller must free the list. GList *purple_media_get_session_ids(PurpleMedia *media); * Gets the PurpleAccount this media session is on. * @param media The media session to retrieve the account from. * @return The account retrieved. PurpleAccount *purple_media_get_account(PurpleMedia *media); * Gets the prpl data from the media session. * @param media The media session to retrieve the prpl data from. * @return The prpl data retrieved. gpointer purple_media_get_prpl_data(PurpleMedia *media); * Sets the prpl data on the media session. * @param media The media session to set the prpl data on. * @param prpl_data The data to set on the media session. void purple_media_set_prpl_data(PurpleMedia *media, gpointer prpl_data); * Signals an error in the media session. * @param media The media object to set the state on. * @param error The format of the error message to send in the signal. * @param ... The arguments to plug into the format. void purple_media_error(PurpleMedia *media, const gchar *error, ...); * Ends all streams that match the given parameters * @param media The media object with which to end streams. * @param session_id The session to end streams on. * @param participant The participant to end streams with. void purple_media_end(PurpleMedia *media, const gchar *session_id, const gchar *participant); * Signals different information about the given stream. * @param media The media instance to containing the stream to signal. * @param type The type of info being signaled. * @param session_id The id of the session of the stream being signaled. * @param participant The participant of the stream being signaled. * @param local TRUE if the info originated locally, FALSE if on the remote end. void purple_media_stream_info(PurpleMedia *media, PurpleMediaInfoType type, const gchar *session_id, const gchar *participant, * Sets various optional parameters of the media call. * Currently supported are: * - "sdes-cname" : The CNAME for the RTP sessions * - "sdes-name" : Real name used to describe the source in SDES messages * - "sdes-tool" : The TOOL to put in SDES messages * - "sdes-email" : Email address to put in SDES messages * - "sdes-location" : The LOCATION to put in SDES messages * - "sdes-note" : The NOTE to put in SDES messages * - "sdes-phone" : The PHONE to put in SDES messages * @param media The media object to set the parameters on. * @param num_params The number of parameters to pass * @param params Array of @c GParameter to pass void purple_media_set_params(PurpleMedia *media, guint num_params, GParameter *params); * Gets the list of optional parameters supported by the media backend. * The list is owned by the @c PurpleMedia internals and should NOT be freed. * @param media The media object * @return NULL-terminated array of names of supported parameters. const gchar **purple_media_get_available_params(PurpleMedia *media); * Checks if given optional parameter is supported by the media backend. * @param media The media object * @param param name of parameter * @return @c TRUE if backend recognizes the parameter, @c FALSE otherwise. gboolean purple_media_param_is_supported(PurpleMedia *media, const gchar *param); * Adds a stream to a session. * It only adds a stream to one audio session or video session as * the @c sess_id must be unique between sessions. * @param media The media object to find the session in. * @param sess_id The session id of the session to add the stream to. * @param who The name of the remote user to add the stream for. * @param type The type of stream to create. * @param initiator Whether or not the local user initiated the stream. * @param transmitter The transmitter to use for the stream. * @param num_params The number of parameters to pass to Farsight. * @param params The parameters to pass to Farsight. * @return @c TRUE The stream was added successfully, @c FALSE otherwise. gboolean purple_media_add_stream(PurpleMedia *media, const gchar *sess_id, const gchar *who, PurpleMediaSessionType type, gboolean initiator, const gchar *transmitter, guint num_params, GParameter *params); * Gets the session type from a session * @param media The media object to find the session in. * @param sess_id The session id of the session to get the type from. * @return The retreived session type. PurpleMediaSessionType purple_media_get_session_type(PurpleMedia *media, const gchar *sess_id); * Gets the PurpleMediaManager this media session is a part of. * @param media The media object to get the manager instance from. * @return The PurpleMediaManager instance retrieved. struct _PurpleMediaManager *purple_media_get_manager(PurpleMedia *media); * Gets the codecs from a session. * @param media The media object to find the session in. * @param sess_id The session id of the session to get the codecs from. * @return The retreieved codecs. GList *purple_media_get_codecs(PurpleMedia *media, const gchar *sess_id); * Adds remote candidates to the stream. * @param media The media object to find the session in. * @param sess_id The session id of the session find the stream in. * @param participant The name of the remote user to add the candidates for. * @param remote_candidates The remote candidates to add. void purple_media_add_remote_candidates(PurpleMedia *media, const gchar *participant, GList *remote_candidates); * Gets the local candidates from a stream. * @param media The media object to find the session in. * @param sess_id The session id of the session to find the stream in. * @param participant The name of the remote user to get the candidates from. GList *purple_media_get_local_candidates(PurpleMedia *media, const gchar *participant); * Gets the active local candidates for the stream. * @param media The media object to find the session in. * @param sess_id The session id of the session to find the stream in. * @param participant The name of the remote user to get the active candidate * @return The active candidates retrieved. GList *purple_media_get_active_local_candidates(PurpleMedia *media, const gchar *sess_id, const gchar *participant); * Gets the active remote candidates for the stream. * @param media The media object to find the session in. * @param sess_id The session id of the session to find the stream in. * @param participant The name of the remote user to get the remote candidate * @return The remote candidates retrieved. GList *purple_media_get_active_remote_candidates(PurpleMedia *media, const gchar *sess_id, const gchar *participant); * Sets remote candidates from the stream. * @param media The media object to find the session in. * @param sess_id The session id of the session find the stream in. * @param participant The name of the remote user to set the candidates from. * @param codecs The list of remote codecs to set. * @return @c TRUE The codecs were set successfully, or @c FALSE otherwise. gboolean purple_media_set_remote_codecs(PurpleMedia *media, const gchar *sess_id, const gchar *participant, GList *codecs); * Returns whether or not the candidates for set of streams are prepared * @param media The media object to find the remote user in. * @param session_id The session id of the session to check. * @param participant The remote user to check for. * @return @c TRUE All streams for the given session_id/participant combination have candidates prepared, @c FALSE otherwise. gboolean purple_media_candidates_prepared(PurpleMedia *media, const gchar *session_id, const gchar *participant); * Sets the send codec for the a session. * @param media The media object to find the session in. * @param sess_id The session id of the session to set the codec for. * @param codec The codec to set the session to stream. * @return @c TRUE The codec was successfully changed, or @c FALSE otherwise. gboolean purple_media_set_send_codec(PurpleMedia *media, const gchar *sess_id, PurpleMediaCodec *codec); * Gets whether a session's codecs are ready to be used. * @param media The media object to find the session in. * @param sess_id The session id of the session to check. * @return @c TRUE The codecs are ready, or @c FALSE otherwise. gboolean purple_media_codecs_ready(PurpleMedia *media, const gchar *sess_id); * Gets whether the local user is the conference/session/stream's initiator. * @param media The media instance to find the session in. * @param sess_id The session id of the session to check. * @param participant The participant of the stream to check. * @return TRUE if the local user is the stream's initator, else FALSE. gboolean purple_media_is_initiator(PurpleMedia *media, const gchar *sess_id, const gchar *participant); * Gets whether a streams selected have been accepted. * @param media The media object to find the session in. * @param sess_id The session id of the session to check. * @param participant The participant to check. * @return @c TRUE The selected streams have been accepted, or @c FALSE otherwise. gboolean purple_media_accepted(PurpleMedia *media, const gchar *sess_id, const gchar *participant); * Sets the input volume of all the selected sessions. * @param media The media object the sessions are in. * @param session_id The session to select (if any). * @param level The level to set the volume to. void purple_media_set_input_volume(PurpleMedia *media, const gchar *session_id, double level); * Sets the output volume of all the selected streams. * @param media The media object the streams are in. * @param session_id The session to limit the streams to (if any). * @param participant The participant to limit the streams to (if any). * @param level The level to set the volume to. void purple_media_set_output_volume(PurpleMedia *media, const gchar *session_id, const gchar *participant, double level); * Sets a video output window for the given session/stream. * @param media The media instance to set the output window on. * @param session_id The session to set the output window on. * @param participant Optionally, the participant to set the output window on. * @param window_id The window id use for embedding the video in. * @return An id to reference the output window. gulong purple_media_set_output_window(PurpleMedia *media, const gchar *session_id, const gchar *participant, * Removes all output windows from a given media session. * @param media The instance to remove all output windows from. void purple_media_remove_output_windows(PurpleMedia *media); #endif /* _PURPLE_MEDIA_H_ */