1 /*****************************************************************************
2 * stream_output.h : stream output module
3 *****************************************************************************
4 * Copyright (C) 2002-2005 the VideoLAN team
7 * Authors: Christophe Massiot <massiot@via.ecp.fr>
8 * Laurent Aimar <fenrir@via.ecp.fr>
9 * Eric Petit <titer@videolan.org>
10 * Jean-Paul Saman <jpsaman #_at_# m2x.nl>
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
25 *****************************************************************************/
36 /** Stream output instance */
37 struct sout_instance_t
44 /* meta data (Read only) XXX it won't be set before the first packet received */
47 /** count of output that can't control the space */
48 int i_out_pace_nocontrol;
51 sout_stream_t *p_stream;
54 sout_instance_sys_t *p_sys;
57 /****************************************************************************
58 * sout_stream_id_t: opaque (private for all sout_stream_t)
59 ****************************************************************************/
60 typedef struct sout_stream_id_t sout_stream_id_t;
62 /** Stream output access_output */
63 struct sout_access_out_t
69 sout_instance_t *p_sout;
72 config_chain_t *p_cfg;
75 /** Local counter reset each time it is transferred to stats */
79 sout_access_out_sys_t *p_sys;
80 int (*pf_seek)( sout_access_out_t *, off_t );
81 int (*pf_read)( sout_access_out_t *, block_t * );
82 int (*pf_write)( sout_access_out_t *, block_t * );
85 VLC_EXPORT( sout_access_out_t *,sout_AccessOutNew, ( sout_instance_t *, char *psz_access, char *psz_name ) );
86 VLC_EXPORT( void, sout_AccessOutDelete, ( sout_access_out_t * ) );
87 VLC_EXPORT( int, sout_AccessOutSeek, ( sout_access_out_t *, off_t ) );
88 VLC_EXPORT( int, sout_AccessOutRead, ( sout_access_out_t *, block_t * ) );
89 VLC_EXPORT( int, sout_AccessOutWrite, ( sout_access_out_t *, block_t * ) );
91 /** Muxer structure */
97 sout_instance_t *p_sout;
100 config_chain_t *p_cfg;
102 sout_access_out_t *p_access;
104 int (*pf_addstream)( sout_mux_t *, sout_input_t * );
105 int (*pf_delstream)( sout_mux_t *, sout_input_t * );
106 int (*pf_mux) ( sout_mux_t * );
107 int (*pf_control) ( sout_mux_t *, int, va_list );
109 /* here are all inputs accepted by muxer */
111 sout_input_t **pp_inputs;
114 sout_mux_sys_t *p_sys;
116 /* XXX private to stream_output.c */
117 /* if muxer doesn't support adding stream at any time then we first wait
118 * for stream then we refuse all stream and start muxing */
119 vlc_bool_t b_add_stream_any_time;
120 vlc_bool_t b_waiting_stream;
121 /* we wait one second after first stream added */
122 mtime_t i_add_stream_start;
125 enum sout_mux_query_e
128 MUX_CAN_ADD_STREAM_WHILE_MUXING, /* arg1= vlc_bool_t *, res=cannot fail */
130 MUX_GET_ADD_STREAM_WAIT, /* arg1= vlc_bool_t *, res=cannot fail */
131 MUX_GET_MIME, /* arg1= char ** res=can fail */
136 sout_instance_t *p_sout;
139 block_fifo_t *p_fifo;
145 VLC_EXPORT( sout_mux_t *, sout_MuxNew, ( sout_instance_t*, char *, sout_access_out_t * ) );
146 VLC_EXPORT( sout_input_t *, sout_MuxAddStream, ( sout_mux_t *, es_format_t * ) );
147 VLC_EXPORT( void, sout_MuxDeleteStream, ( sout_mux_t *, sout_input_t * ) );
148 VLC_EXPORT( void, sout_MuxDelete, ( sout_mux_t * ) );
149 VLC_EXPORT( void, sout_MuxSendBuffer, ( sout_mux_t *, sout_input_t *, block_t * ) );
151 static inline int sout_MuxControl( sout_mux_t *p_mux, int i_query, ... )
156 va_start( args, i_query );
157 i_result = p_mux->pf_control( p_mux, i_query, args );
162 /****************************************************************************
164 ****************************************************************************/
170 sout_instance_t *p_sout;
173 config_chain_t *p_cfg;
176 /* Subpicture unit */
179 /* add, remove a stream */
180 sout_stream_id_t *(*pf_add)( sout_stream_t *, es_format_t * );
181 int (*pf_del)( sout_stream_t *, sout_stream_id_t * );
182 /* manage a packet */
183 int (*pf_send)( sout_stream_t *, sout_stream_id_t *, block_t* );
186 sout_stream_sys_t *p_sys;
189 VLC_EXPORT( sout_stream_t *, sout_StreamNew, ( sout_instance_t *, char *psz_chain ) );
190 VLC_EXPORT( void, sout_StreamDelete, ( sout_stream_t * ) );
192 static inline sout_stream_id_t *sout_StreamIdAdd( sout_stream_t *s, es_format_t *fmt )
194 return s->pf_add( s, fmt );
196 static inline int sout_StreamIdDel( sout_stream_t *s, sout_stream_id_t *id )
198 return s->pf_del( s, id );
200 static inline int sout_StreamIdSend( sout_stream_t *s, sout_stream_id_t *id, block_t *b )
202 return s->pf_send( s, id, b );
205 /****************************************************************************
206 * Announce handler mess
207 ****************************************************************************/
208 struct sap_session_t;
210 struct session_descriptor_t
216 int i_payload; /* SAP Payload type */
220 sap_session_t *p_sap; /* If we have a sap session, remember it */
225 #define METHOD_TYPE_SAP 1
227 struct announce_method_t
232 VLC_EXPORT( int, sout_AnnounceRegister, (sout_instance_t *,session_descriptor_t*, announce_method_t* ) );
233 VLC_EXPORT(session_descriptor_t*,sout_AnnounceRegisterSDP, (sout_instance_t *,const char *, const char *, announce_method_t* ) );
234 VLC_EXPORT( int, sout_AnnounceUnRegister, (sout_instance_t *,session_descriptor_t* ) );
236 VLC_EXPORT(session_descriptor_t*,sout_AnnounceSessionCreate, (void) );
237 VLC_EXPORT(void, sout_AnnounceSessionDestroy, (session_descriptor_t *) );
238 VLC_EXPORT(announce_method_t*, sout_AnnounceMethodCreate, (int) );