mirror of
https://code.videolan.org/videolan/vlc
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115 lines
4.8 KiB
C
115 lines
4.8 KiB
C
/*****************************************************************************
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* rtp.h: rtp stream output module header
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*****************************************************************************
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* Copyright (C) 2003-2007 VLC authors and VideoLAN
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* $Id$
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*
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* Authors: Laurent Aimar <fenrir@via.ecp.fr>
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* Rémi Denis-Courmont
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program 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 License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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typedef struct rtsp_stream_t rtsp_stream_t;
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typedef struct rtsp_stream_id_t rtsp_stream_id_t;
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typedef struct sout_stream_id_sys_t sout_stream_id_sys_t;
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rtsp_stream_t *RtspSetup( vlc_object_t *owner, vod_media_t *media,
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const char *path );
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void RtspUnsetup( rtsp_stream_t *rtsp );
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rtsp_stream_id_t *RtspAddId( rtsp_stream_t *rtsp, sout_stream_id_sys_t *sid,
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uint32_t ssrc, unsigned clock_rate,
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int mcast_fd );
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void RtspDelId( rtsp_stream_t *rtsp, rtsp_stream_id_t * );
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char *RtspAppendTrackPath( rtsp_stream_id_t *id, const char *base );
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int RtspTrackAttach( rtsp_stream_t *rtsp, const char *name,
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rtsp_stream_id_t *id, sout_stream_id_sys_t *sout_id,
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uint32_t *ssrc, uint16_t *seq_init );
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void RtspTrackDetach( rtsp_stream_t *rtsp, const char *name,
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sout_stream_id_sys_t *sout_id);
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char *SDPGenerate( sout_stream_t *p_stream, const char *rtsp_url );
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char *SDPGenerateVoD( const vod_media_t *p_media, const char *rtsp_url );
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uint32_t rtp_compute_ts( unsigned i_clock_rate, vlc_tick_t i_pts );
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int rtp_add_sink( sout_stream_id_sys_t *id, int fd, bool rtcp_mux, uint16_t *seq );
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void rtp_del_sink( sout_stream_id_sys_t *id, int fd );
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uint16_t rtp_get_seq( sout_stream_id_sys_t *id );
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vlc_tick_t rtp_get_ts( const sout_stream_t *p_stream, const sout_stream_id_sys_t *id,
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const vod_media_t *p_media, const char *psz_vod_session,
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vlc_tick_t *p_npt );
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/* RTP packetization */
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void rtp_packetize_common (sout_stream_id_sys_t *id, block_t *out,
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bool b_m_bit, vlc_tick_t i_pts);
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void rtp_packetize_send (sout_stream_id_sys_t *id, block_t *out);
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size_t rtp_mtu (const sout_stream_id_sys_t *id);
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int rtp_packetize_xiph_config( sout_stream_id_sys_t *id, const char *fmtp,
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vlc_tick_t i_pts );
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/* RTCP */
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typedef struct rtcp_sender_t rtcp_sender_t;
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rtcp_sender_t *OpenRTCP (vlc_object_t *obj, int rtp_fd, int proto,
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bool mux);
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void CloseRTCP (rtcp_sender_t *rtcp);
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void SendRTCP (rtcp_sender_t *restrict rtcp, const block_t *rtp);
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typedef int (*pf_rtp_packetizer_t)( sout_stream_id_sys_t *, block_t * );
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typedef struct rtp_format_t
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{
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/* Used for SDP and packetization */
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uint8_t payload_type;
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unsigned clock_rate;
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unsigned channels;
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enum es_format_category_e cat;
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/* Used in SDP only */
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unsigned bitrate;
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const char *ptname;
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char *fmtp;
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/* Used for packetization only */
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pf_rtp_packetizer_t pf_packetize;
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} rtp_format_t;
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int rtp_get_fmt( vlc_object_t *obj, const es_format_t *p_fmt, const char *mux,
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rtp_format_t *p_rtp_fmt );
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/* Only used by rtp_packetize_rawvideo */
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void rtp_get_video_geometry( sout_stream_id_sys_t *id, int *width, int *height );
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uint16_t rtp_get_extended_sequence( sout_stream_id_sys_t *id );
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/* VoD */
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int OpenVoD ( vlc_object_t * );
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void CloseVoD( vlc_object_t * );
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int vod_check_range(vod_media_t *p_media, const char *psz_session,
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vlc_tick_t start, vlc_tick_t end);
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void vod_play(vod_media_t *p_media, const char *psz_session,
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int64_t *start, int64_t end);
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void vod_pause(vod_media_t *p_media, const char *psz_session, int64_t *npt);
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void vod_stop(vod_media_t *p_media, const char *psz_session);
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const char *vod_get_mux(const vod_media_t *p_media);
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int vod_init_id(vod_media_t *p_media, const char *psz_session, int es_id,
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sout_stream_id_sys_t *sout_id, rtp_format_t *rtp_fmt,
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uint32_t *ssrc, uint16_t *seq_init);
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void vod_detach_id(vod_media_t *p_media, const char *psz_session,
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sout_stream_id_sys_t *sout_id);
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