/***************************************************************************** * stream_output.h : stream output module ***************************************************************************** * Copyright (C) 2002 the VideoLAN team * $Id$ * * Authors: Christophe Massiot <massiot@via.ecp.fr> * Laurent Aimar <fenrir@via.ecp.fr> * Eric Petit <titer@videolan.org> * * 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA. *****************************************************************************/ /***************************************************************************** * sout_instance_t: stream output thread descriptor *****************************************************************************/ #include "vlc_es.h" /**************************************************************************** * sout_instance_t: p_sout ****************************************************************************/ struct sout_instance_t { VLC_COMMON_MEMBERS char *psz_sout; char *psz_chain; /* meta data (Read only) XXX it won't be set before the first packet received */ vlc_meta_t *p_meta; int i_out_pace_nocontrol; /* count of output that can't control the space */ vlc_mutex_t lock; sout_stream_t *p_stream; /* sout private */ sout_instance_sys_t *p_sys; }; /**************************************************************************** * sout_cfg_t: ****************************************************************************/ struct sout_cfg_t { sout_cfg_t *p_next; char *psz_name; char *psz_value; }; #define sout_CfgParse( a, b, c, d ) __sout_CfgParse( VLC_OBJECT(a), b, c, d ) VLC_EXPORT( void, __sout_CfgParse, ( vlc_object_t *, char *psz_prefix, const char **ppsz_options, sout_cfg_t * ) ); VLC_EXPORT( char *, sout_CfgCreate, ( char **, sout_cfg_t **, char * ) ); /**************************************************************************** * sout_stream_id_t: opaque (private for all sout_stream_t) ****************************************************************************/ typedef struct sout_stream_id_t sout_stream_id_t; /**************************************************************************** * sout_packetizer_input_t: p_sout <-> p_packetizer ****************************************************************************/ struct sout_packetizer_input_t { sout_instance_t *p_sout; es_format_t *p_fmt; sout_stream_id_t *id; }; #define sout_NewInstance(a,b) __sout_NewInstance(VLC_OBJECT(a),b) VLC_EXPORT( sout_instance_t *, __sout_NewInstance, ( vlc_object_t *, char * ) ); VLC_EXPORT( void, sout_DeleteInstance, ( sout_instance_t * ) ); VLC_EXPORT( sout_packetizer_input_t *, sout_InputNew,( sout_instance_t *, es_format_t * ) ); VLC_EXPORT( int, sout_InputDelete, ( sout_packetizer_input_t * ) ); VLC_EXPORT( int, sout_InputSendBuffer, ( sout_packetizer_input_t *, block_t* ) ); /**************************************************************************** * sout_access_out_t: ****************************************************************************/ struct sout_access_out_t { VLC_COMMON_MEMBERS module_t *p_module; sout_instance_t *p_sout; char *psz_access; sout_cfg_t *p_cfg; char *psz_name; sout_access_out_sys_t *p_sys; int (*pf_seek)( sout_access_out_t *, off_t ); int (*pf_read)( sout_access_out_t *, block_t * ); int (*pf_write)( sout_access_out_t *, block_t * ); }; VLC_EXPORT( sout_access_out_t *,sout_AccessOutNew, ( sout_instance_t *, char *psz_access, char *psz_name ) ); VLC_EXPORT( void, sout_AccessOutDelete, ( sout_access_out_t * ) ); VLC_EXPORT( int, sout_AccessOutSeek, ( sout_access_out_t *, off_t ) ); VLC_EXPORT( int, sout_AccessOutRead, ( sout_access_out_t *, block_t * ) ); VLC_EXPORT( int, sout_AccessOutWrite, ( sout_access_out_t *, block_t * ) ); /**************************************************************************** * mux: ****************************************************************************/ struct sout_mux_t { VLC_COMMON_MEMBERS module_t *p_module; sout_instance_t *p_sout; char *psz_mux; sout_cfg_t *p_cfg; sout_access_out_t *p_access; int (*pf_addstream)( sout_mux_t *, sout_input_t * ); int (*pf_delstream)( sout_mux_t *, sout_input_t * ); int (*pf_mux) ( sout_mux_t * ); int (*pf_control) ( sout_mux_t *, int, va_list ); /* here are all inputs accepted by muxer */ int i_nb_inputs; sout_input_t **pp_inputs; /* mux private */ sout_mux_sys_t *p_sys; /* XXX private to stream_output.c */ /* if muxer doesn't support adding stream at any time then we first wait * for stream then we refuse all stream and start muxing */ vlc_bool_t b_add_stream_any_time; vlc_bool_t b_waiting_stream; /* we wait one second after first stream added */ mtime_t i_add_stream_start; }; enum sout_mux_query_e { /* capabilities */ MUX_CAN_ADD_STREAM_WHILE_MUXING, /* arg1= vlc_bool_t *, res=cannot fail */ /* properties */ MUX_GET_ADD_STREAM_WAIT, /* arg1= vlc_bool_t *, res=cannot fail */ MUX_GET_MIME, /* arg1= char ** res=can fail */ }; struct sout_input_t { sout_instance_t *p_sout; es_format_t *p_fmt; block_fifo_t *p_fifo; void *p_sys; }; VLC_EXPORT( sout_mux_t *, sout_MuxNew, ( sout_instance_t*, char *, sout_access_out_t * ) ); VLC_EXPORT( sout_input_t *, sout_MuxAddStream, ( sout_mux_t *, es_format_t * ) ); VLC_EXPORT( void, sout_MuxDeleteStream, ( sout_mux_t *, sout_input_t * ) ); VLC_EXPORT( void, sout_MuxDelete, ( sout_mux_t * ) ); VLC_EXPORT( void, sout_MuxSendBuffer, ( sout_mux_t *, sout_input_t *, block_t * ) ); static inline int sout_MuxControl( sout_mux_t *p_mux, int i_query, ... ) { va_list args; int i_result; va_start( args, i_query ); i_result = p_mux->pf_control( p_mux, i_query, args ); va_end( args ); return i_result; } /**************************************************************************** * sout_stream: ****************************************************************************/ struct sout_stream_t { VLC_COMMON_MEMBERS module_t *p_module; sout_instance_t *p_sout; char *psz_name; sout_cfg_t *p_cfg; char *psz_next; /* add, remove a stream */ sout_stream_id_t *(*pf_add)( sout_stream_t *, es_format_t * ); int (*pf_del)( sout_stream_t *, sout_stream_id_t * ); /* manage a packet */ int (*pf_send)( sout_stream_t *, sout_stream_id_t *, block_t* ); /* private */ sout_stream_sys_t *p_sys; }; VLC_EXPORT( sout_stream_t *, sout_StreamNew, ( sout_instance_t *, char *psz_chain ) ); VLC_EXPORT( void, sout_StreamDelete, ( sout_stream_t * ) ); static inline sout_stream_id_t *sout_StreamIdAdd( sout_stream_t *s, es_format_t *fmt ) { return s->pf_add( s, fmt ); } static inline int sout_StreamIdDel( sout_stream_t *s, sout_stream_id_t *id ) { return s->pf_del( s, id ); } static inline int sout_StreamIdSend( sout_stream_t *s, sout_stream_id_t *id, block_t *b ) { return s->pf_send( s, id, b ); } /**************************************************************************** * Announce handler mess ****************************************************************************/ struct sap_session_t; struct session_descriptor_t { char *psz_name; char *psz_uri; int i_port; int i_ttl; int i_payload; /* SAP Payload type */ char *psz_group; sap_session_t *p_sap; /* If we have a sap session, remember it */ char *psz_sdp; }; #define METHOD_TYPE_SAP 1 #define METHOD_TYPE_SLP 2 struct announce_method_t { int i_type; /* For SAP */ char *psz_address; /* If we use a custom address */ }; /* A SAP session descriptor, enqueued in the SAP handler queue */ struct sap_session_t { char *psz_sdp; uint8_t *psz_data; unsigned i_length; sap_address_t *p_address; /* Last and next send */ mtime_t i_last; mtime_t i_next; }; /* The SAP handler, running in a separate thread */ struct sap_handler_t { VLC_COMMON_MEMBERS /* needed to create a thread */ sap_session_t **pp_sessions; sap_address_t **pp_addresses; vlc_bool_t b_control; int i_sessions; int i_addresses; int i_current_session; int (*pf_add) ( sap_handler_t*, session_descriptor_t *,announce_method_t*); int (*pf_del) ( sap_handler_t*, session_descriptor_t *); /* private data, not in p_sys as there is one kind of sap_handler_t */ vlc_iconv_t iconvHandle; }; /* The main announce handler object */ struct announce_handler_t { VLC_COMMON_MEMBERS sap_handler_t *p_sap; }; /* End */ static inline sout_cfg_t *sout_cfg_find( sout_cfg_t *p_cfg, char *psz_name ) { while( p_cfg && strcmp( p_cfg->psz_name, psz_name ) ) { p_cfg = p_cfg->p_next; } return p_cfg; } static inline char *sout_cfg_find_value( sout_cfg_t *p_cfg, char *psz_name ) { while( p_cfg && strcmp( p_cfg->psz_name, psz_name ) ) { p_cfg = p_cfg->p_next; } if( p_cfg && p_cfg->psz_value ) { return( p_cfg->psz_value ); } return NULL; } /* Announce system */ VLC_EXPORT( int, sout_AnnounceRegister, (sout_instance_t *,session_descriptor_t*, announce_method_t* ) ); VLC_EXPORT(session_descriptor_t*,sout_AnnounceRegisterSDP, (sout_instance_t *,char *, announce_method_t* ) ); VLC_EXPORT( int, sout_AnnounceUnRegister, (sout_instance_t *,session_descriptor_t* ) ); VLC_EXPORT(session_descriptor_t*,sout_AnnounceSessionCreate, (void) ); VLC_EXPORT(void, sout_AnnounceSessionDestroy, (session_descriptor_t *) ); VLC_EXPORT(announce_method_t*, sout_AnnounceMethodCreate, (int) ); #define announce_HandlerCreate(a) __announce_HandlerCreate(VLC_OBJECT(a)) announce_handler_t* __announce_HandlerCreate( vlc_object_t *); /* Private functions for the announce handler */ int announce_HandlerDestroy( announce_handler_t * ); int announce_Register( announce_handler_t *p_announce, session_descriptor_t *p_session, announce_method_t *p_method ); int announce_UnRegister( announce_handler_t *p_announce, session_descriptor_t *p_session ); sap_handler_t *announce_SAPHandlerCreate( announce_handler_t *p_announce ); void announce_SAPHandlerDestroy( sap_handler_t *p_sap );