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83 lines
2.9 KiB
83 lines
2.9 KiB
/**
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* @file rtp.h
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* @brief RTP demux module shared declarations
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*/
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/*****************************************************************************
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* Copyright © 2008 Rémi Denis-Courmont
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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****************************************************************************/
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typedef struct rtp_pt_t rtp_pt_t;
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typedef struct rtp_session_t rtp_session_t;
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struct vlc_demux_chained_t;
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/** @section RTP payload format */
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struct rtp_pt_t
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{
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void *(*init) (demux_t *);
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void (*destroy) (demux_t *, void *);
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void (*header) (demux_t *, void *, block_t *);
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void (*decode) (demux_t *, void *, block_t *);
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uint32_t frequency; /* RTP clock rate (Hz) */
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uint8_t number;
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};
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void rtp_autodetect (demux_t *, rtp_session_t *, const block_t *);
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static inline uint8_t rtp_ptype (const block_t *block)
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{
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return block->p_buffer[1] & 0x7F;
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}
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void *codec_init (demux_t *demux, es_format_t *fmt);
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void codec_destroy (demux_t *demux, void *data);
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void codec_decode (demux_t *demux, void *data, block_t *block);
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void *theora_init (demux_t *demux);
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void xiph_destroy (demux_t *demux, void *data);
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void xiph_decode (demux_t *demux, void *data, block_t *block);
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/** @section RTP session */
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rtp_session_t *rtp_session_create (demux_t *);
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void rtp_session_destroy (demux_t *, rtp_session_t *);
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void rtp_queue (demux_t *, rtp_session_t *, block_t *);
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bool rtp_dequeue (demux_t *, const rtp_session_t *, vlc_tick_t *);
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void rtp_dequeue_force (demux_t *, const rtp_session_t *);
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int rtp_add_type (demux_t *demux, rtp_session_t *ses, const rtp_pt_t *pt);
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void *rtp_dgram_thread (void *data);
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void *rtp_stream_thread (void *data);
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/* Global data */
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typedef struct
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{
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rtp_session_t *session;
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struct vlc_demux_chained_t *chained_demux;
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#ifdef HAVE_SRTP
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struct srtp_session_t *srtp;
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#endif
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int fd;
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int rtcp_fd;
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vlc_thread_t thread;
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vlc_tick_t timeout;
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uint16_t max_dropout; /**< Max packet forward misordering */
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uint16_t max_misorder; /**< Max packet backward misordering */
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uint8_t max_src; /**< Max simultaneous RTP sources */
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bool thread_ready;
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bool autodetect; /**< Payload type autodetection pending */
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} demux_sys_t;
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