1 /*****************************************************************************
2 * standard.c: standard stream output module
3 *****************************************************************************
4 * Copyright (C) 2003-2004 VideoLAN
5 * $Id: standard.c,v 1.18 2004/01/25 14:34:25 gbazin Exp $
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
35 #define DEFAULT_IPV6_SCOPE "8"
37 /*****************************************************************************
39 *****************************************************************************/
40 static int Open ( vlc_object_t * );
41 static void Close ( vlc_object_t * );
43 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
44 static int Del ( sout_stream_t *, sout_stream_id_t * );
45 static int Send( sout_stream_t *, sout_stream_id_t *, sout_buffer_t* );
47 /*****************************************************************************
49 *****************************************************************************/
51 set_description( _("Standard stream output") );
52 set_capability( "sout stream", 50 );
53 add_shortcut( "standard" );
54 add_shortcut( "std" );
55 set_callbacks( Open, Close );
58 struct sout_stream_sys_t
65 /*****************************************************************************
67 *****************************************************************************/
68 static int Open( vlc_object_t *p_this )
70 sout_stream_t *p_stream = (sout_stream_t*)p_this;
71 sout_instance_t *p_sout = p_stream->p_sout;
72 slp_session_t *p_slp = NULL;
73 sap_session_t *p_sap = NULL;
75 char *psz_mux = sout_cfg_find_value( p_stream->p_cfg, "mux" );
76 char *psz_access = sout_cfg_find_value( p_stream->p_cfg, "access" );
77 char *psz_url = sout_cfg_find_value( p_stream->p_cfg, "url" );
78 char *psz_ipv = sout_cfg_find_value( p_stream->p_cfg, "sap_ipv" );
79 char *psz_v6_scope = sout_cfg_find_value( p_stream->p_cfg, "sap_v6scope" );
81 sout_cfg_t *p_sap_cfg = sout_cfg_find( p_stream->p_cfg, "sap" );
83 sout_cfg_t *p_slp_cfg = sout_cfg_find( p_stream->p_cfg, "slp" );
86 sout_access_out_t *p_access;
89 char *psz_mux_byext = NULL;
91 msg_Dbg( p_this, "creating `%s/%s://%s'",
92 psz_access, psz_mux, psz_url );
94 /* ext -> muxer name */
95 if( psz_url && strrchr( psz_url, '.' ) )
98 static struct { char *ext; char *mux; } exttomux[] =
117 char *psz_ext = strrchr( psz_url, '.' ) + 1;
120 msg_Dbg( p_this, "extention is %s", psz_ext );
121 for( i = 0; exttomux[i].ext != NULL; i++ )
123 if( !strcasecmp( psz_ext, exttomux[i].ext ) )
125 psz_mux_byext = exttomux[i].mux;
129 msg_Dbg( p_this, "extention -> mux=%s", psz_mux_byext );
132 /* We fix access/mux to valid couple */
134 if( ( psz_access == NULL || *psz_access == '\0' )&&
135 ( psz_mux == NULL || *psz_mux == '\0' ) )
140 "no access _and_ no muxer, extention gives file/%s",
143 psz_mux = psz_mux_byext;
147 msg_Err( p_stream, "no access _and_ no muxer (fatal error)" );
152 if( psz_access && *psz_access &&
153 ( psz_mux == NULL || *psz_mux == '\0' ) )
155 /* access given, no mux */
156 if( !strncmp( psz_access, "mmsh", 4 ) )
160 else if( !strncmp( psz_access, "udp", 3 ) )
166 psz_mux = psz_mux_byext;
169 else if( psz_mux && *psz_mux &&
170 ( psz_access == NULL || *psz_access == '\0' ) )
172 /* mux given, no access */
173 if( !strncmp( psz_mux, "asfh", 4 ) )
184 /* fix or warm of incompatible couple */
185 if( psz_mux && *psz_mux && psz_access && *psz_access )
187 if( !strncmp( psz_access, "mmsh", 4 ) && strncmp( psz_mux, "asfh", 4 ) )
189 char *p = strchr( psz_mux,'{' );
191 msg_Warn( p_stream, "fixing to mmsh/asfh" );
194 /* -> a little memleak but ... */
195 psz_mux = malloc( strlen( "asfh" ) + strlen( p ) + 1);
196 sprintf( psz_mux, "asfh%s", p );
203 else if( ( !strncmp( psz_access, "rtp", 3 ) ||
204 !strncmp( psz_access, "udp", 3 ) ) &&
205 strncmp( psz_mux, "ts", 2 ) )
207 msg_Err( p_stream, "for now udp and rtp are only valid with TS" );
209 else if( strncmp( psz_access, "file", 4 ) &&
210 ( !strncmp( psz_mux, "mov", 3 ) ||
211 !strncmp( psz_mux, "mp4", 3 ) ) )
213 msg_Err( p_stream, "mov and mp4 work only with file output" );
217 msg_Dbg( p_this, "using `%s/%s://%s'", psz_access, psz_mux, psz_url );
219 /* *** find and open appropriate access module *** */
220 p_access = sout_AccessOutNew( p_sout, psz_access, psz_url );
221 if( p_access == NULL )
223 msg_Err( p_stream, "no suitable sout access module for `%s/%s://%s'",
224 psz_access, psz_mux, psz_url );
225 return( VLC_EGENERIC );
227 msg_Dbg( p_stream, "access opened" );
229 /* *** find and open appropriate mux module *** */
230 p_mux = sout_MuxNew( p_sout, psz_mux, p_access );
233 msg_Err( p_stream, "no suitable sout mux module for `%s/%s://%s'",
234 psz_access, psz_mux, psz_url );
236 sout_AccessOutDelete( p_access );
237 return( VLC_EGENERIC );
239 msg_Dbg( p_stream, "mux opened" );
241 /* *** Create the SAP Session structure *** */
244 ( strstr( psz_access, "udp" ) || strstr( psz_access , "rtp" ) ) )
246 msg_Info( p_this, "SAP Enabled");
248 if( psz_ipv == NULL )
252 if( psz_v6_scope == NULL )
254 psz_v6_scope = DEFAULT_IPV6_SCOPE;
256 msg_Dbg( p_sout , "Creating SAP with IPv%i", atoi(psz_ipv) );
258 p_sap = sout_SAPNew( p_sout , psz_url ,
259 p_sap_cfg->psz_value ? p_sap_cfg->psz_value : psz_url,
260 atoi(psz_ipv), psz_v6_scope );
263 msg_Err( p_sout,"Unable to initialize SAP. SAP disabled");
266 /* *** Register with slp *** */
268 if( p_slp_cfg && ( strstr( psz_access, "udp" ) ||
269 strstr( psz_access , "rtp" ) ) )
271 msg_Info( p_this, "SLP Enabled");
272 if( sout_SLPReg( p_sout, psz_url,
273 p_slp_cfg->psz_value ? p_slp_cfg->psz_value : psz_url) )
275 msg_Warn( p_sout, "SLP Registering failed");
279 p_slp = (slp_session_t*)malloc(sizeof(slp_session_t));
282 msg_Warn(p_sout,"Out of memory");
283 if( p_sap ) free( p_sap );
286 p_slp->psz_url= strdup(psz_url);
287 p_slp->psz_name = strdup(
288 p_slp_cfg->psz_value ? p_slp_cfg->psz_value : psz_url);
294 p_sout->i_preheader = __MAX( p_sout->i_preheader, p_mux->i_preheader );
296 p_stream->pf_add = Add;
297 p_stream->pf_del = Del;
298 p_stream->pf_send = Send;
300 p_stream->p_sys = malloc( sizeof( sout_stream_sys_t) );
301 p_stream->p_sys->p_mux = p_mux;
302 p_stream->p_sys->p_slp = p_slp;
303 p_stream->p_sys->p_sap = p_sap;
308 /*****************************************************************************
310 *****************************************************************************/
311 static void Close( vlc_object_t * p_this )
313 sout_stream_t *p_stream = (sout_stream_t*)p_this;
314 sout_stream_sys_t *p_sys = p_stream->p_sys;
315 sout_access_out_t *p_access = p_sys->p_mux->p_access;
318 sout_SAPDelete( (sout_instance_t *)p_this , p_sys->p_sap );
323 sout_SLPDereg( (sout_instance_t *)p_this,
324 p_sys->p_slp->psz_url,
325 p_sys->p_slp->psz_name);
331 sout_MuxDelete( p_sys->p_mux );
332 sout_AccessOutDelete( p_access );
337 struct sout_stream_id_t
339 sout_input_t *p_input;
343 static sout_stream_id_t * Add( sout_stream_t *p_stream, es_format_t *p_fmt )
345 sout_stream_sys_t *p_sys = p_stream->p_sys;
346 sout_stream_id_t *id;
348 id = malloc( sizeof( sout_stream_id_t ) );
349 if( ( id->p_input = sout_MuxAddStream( p_sys->p_mux, p_fmt ) ) == NULL )
359 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
361 sout_stream_sys_t *p_sys = p_stream->p_sys;
363 sout_MuxDeleteStream( p_sys->p_mux, id->p_input );
370 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
371 sout_buffer_t *p_buffer )
373 sout_stream_sys_t *p_sys = p_stream->p_sys;
374 sout_instance_t *p_sout = p_stream->p_sout;
376 sout_MuxSendBuffer( p_sys->p_mux, id->p_input, p_buffer );
379 sout_SAPSend( p_sout , p_sys->p_sap );