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95 lines
3.6 KiB
C
95 lines
3.6 KiB
C
/*
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* FILE: pdb.h - Participant database
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* AUTHOR: Colin Perkins <csp@csperkins.org>
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* Martin Benes <martinbenesh@gmail.com>
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* Lukas Hejtmanek <xhejtman@ics.muni.cz>
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* Petr Holub <hopet@ics.muni.cz>
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* Milos Liska <xliska@fi.muni.cz>
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* Jiri Matela <matela@ics.muni.cz>
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* Dalibor Matura <255899@mail.muni.cz>
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* Ian Wesley-Smith <iwsmith@cct.lsu.edu>
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*
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* Copyright (c) 2002 University of Southern California
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* Copyright (c) 2005-2010 CESNET z.s.p.o.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, is permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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*
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* This product includes software developed by the University of Southern
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* California Information Sciences Institute. This product also includes
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* software developed by CESNET z.s.p.o.
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*
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* 4. Neither the name of the University, Institute, CESNET nor the names of
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* its contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Revision: 1.2 $
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* $Date: 2009/12/11 15:29:39 $
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*
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*/
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/*
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* A participant database entry. This holds (pointers to) all the
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* information about a particular participant in a teleconference.
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*
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*/
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struct pdb_e {
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uint32_t ssrc;
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char *sdes_cname;
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char *sdes_name;
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char *sdes_email;
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char *sdes_phone;
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char *sdes_loc;
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char *sdes_tool;
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char *sdes_note;
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struct vcodec_state *video_decoder_state;
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uint8_t pt; /* Last seen RTP payload type for this participant */
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struct pbuf *playout_buffer;
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struct tfrc *tfrc_state;
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struct timeval creation_time; /* Time this entry was created */
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};
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struct pdb; /* The participant database */
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struct pdb *pdb_init(void);
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void pdb_destroy(struct pdb **db);
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int pdb_add(struct pdb *db, uint32_t ssrc);
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struct pdb_e *pdb_get(struct pdb *db, uint32_t ssrc);
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/* Remove the entry indexed by "ssrc" from the database, returning a
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* pointer to it in "item". Returns zero if the entry was present.
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*/
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int pdb_remove(struct pdb *db, uint32_t ssrc, struct pdb_e **item);
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/*
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* Iterator for the database. Supports only one accessor at once.
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*/
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struct pdb_e *pdb_iter_init(struct pdb *db);
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struct pdb_e *pdb_iter_next(struct pdb *db);
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void pdb_iter_done(struct pdb *db);
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