1 /*****************************************************************************
2 * standard.c: standard stream output module
3 *****************************************************************************
4 * Copyright (C) 2003-2004 VideoLAN
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 *, block_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" );
82 sout_cfg_t *p_sap_cfg = sout_cfg_find( p_stream->p_cfg, "sap" );
84 sout_cfg_t *p_slp_cfg = sout_cfg_find( p_stream->p_cfg, "slp" );
87 sout_access_out_t *p_access;
90 char *psz_mux_byext = NULL;
92 msg_Dbg( p_this, "creating `%s/%s://%s'",
93 psz_access, psz_mux, psz_url );
95 /* ext -> muxer name */
96 if( psz_url && strrchr( psz_url, '.' ) )
99 static struct { char *ext; char *mux; } exttomux[] =
118 char *psz_ext = strrchr( psz_url, '.' ) + 1;
121 msg_Dbg( p_this, "extention is %s", psz_ext );
122 for( i = 0; exttomux[i].ext != NULL; i++ )
124 if( !strcasecmp( psz_ext, exttomux[i].ext ) )
126 psz_mux_byext = exttomux[i].mux;
130 msg_Dbg( p_this, "extention -> mux=%s", psz_mux_byext );
133 /* We fix access/mux to valid couple */
135 if( ( psz_access == NULL || *psz_access == '\0' )&&
136 ( psz_mux == NULL || *psz_mux == '\0' ) )
141 "no access _and_ no muxer, extention gives file/%s",
144 psz_mux = psz_mux_byext;
148 msg_Err( p_stream, "no access _and_ no muxer (fatal error)" );
153 if( psz_access && *psz_access &&
154 ( psz_mux == NULL || *psz_mux == '\0' ) )
156 /* access given, no mux */
157 if( !strncmp( psz_access, "mmsh", 4 ) )
161 else if( !strncmp( psz_access, "udp", 3 ) )
167 psz_mux = psz_mux_byext;
170 else if( psz_mux && *psz_mux &&
171 ( psz_access == NULL || *psz_access == '\0' ) )
173 /* mux given, no access */
174 if( !strncmp( psz_mux, "asfh", 4 ) )
185 /* fix or warm of incompatible couple */
186 if( psz_mux && *psz_mux && psz_access && *psz_access )
188 if( !strncmp( psz_access, "mmsh", 4 ) && strncmp( psz_mux, "asfh", 4 ) )
190 char *p = strchr( psz_mux,'{' );
192 msg_Warn( p_stream, "fixing to mmsh/asfh" );
195 /* -> a little memleak but ... */
196 psz_mux = malloc( strlen( "asfh" ) + strlen( p ) + 1);
197 sprintf( psz_mux, "asfh%s", p );
204 else if( ( !strncmp( psz_access, "rtp", 3 ) ||
205 !strncmp( psz_access, "udp", 3 ) ) &&
206 strncmp( psz_mux, "ts", 2 ) )
208 msg_Err( p_stream, "for now udp and rtp are only valid with TS" );
210 else if( strncmp( psz_access, "file", 4 ) &&
211 ( !strncmp( psz_mux, "mov", 3 ) ||
212 !strncmp( psz_mux, "mp4", 3 ) ) )
214 msg_Err( p_stream, "mov and mp4 work only with file output" );
218 msg_Dbg( p_this, "using `%s/%s://%s'", psz_access, psz_mux, psz_url );
220 /* *** find and open appropriate access module *** */
221 p_access = sout_AccessOutNew( p_sout, psz_access, psz_url );
222 if( p_access == NULL )
224 msg_Err( p_stream, "no suitable sout access module for `%s/%s://%s'",
225 psz_access, psz_mux, psz_url );
226 return( VLC_EGENERIC );
228 msg_Dbg( p_stream, "access opened" );
230 /* *** find and open appropriate mux module *** */
231 p_mux = sout_MuxNew( p_sout, psz_mux, p_access );
234 msg_Err( p_stream, "no suitable sout mux module for `%s/%s://%s'",
235 psz_access, psz_mux, psz_url );
237 sout_AccessOutDelete( p_access );
238 return( VLC_EGENERIC );
240 msg_Dbg( p_stream, "mux opened" );
242 /* *** Create the SAP Session structure *** */
245 ( strstr( psz_access, "udp" ) || strstr( psz_access , "rtp" ) ) )
247 msg_Info( p_this, "SAP Enabled");
249 if( psz_ipv == NULL )
253 if( psz_v6_scope == NULL )
255 psz_v6_scope = DEFAULT_IPV6_SCOPE;
257 msg_Dbg( p_sout , "Creating SAP with IPv%i", atoi(psz_ipv) );
259 psz_sdp = SDPGenerateUDP(p_sap_cfg->psz_value ? p_sap_cfg->psz_value :
262 p_sap = sout_SAPNew( p_sout , psz_sdp,atoi(psz_ipv), psz_v6_scope );
265 msg_Err( p_sout,"Unable to initialize SAP. SAP disabled");
268 /* *** Register with slp *** */
270 if( p_slp_cfg && ( strstr( psz_access, "udp" ) ||
271 strstr( psz_access , "rtp" ) ) )
273 msg_Info( p_this, "SLP Enabled");
274 if( sout_SLPReg( p_sout, psz_url,
275 p_slp_cfg->psz_value ? p_slp_cfg->psz_value : psz_url) )
277 msg_Warn( p_sout, "SLP Registering failed");
281 p_slp = (slp_session_t*)malloc(sizeof(slp_session_t));
284 msg_Warn(p_sout,"Out of memory");
285 if( p_sap ) free( p_sap );
288 p_slp->psz_url= strdup(psz_url);
289 p_slp->psz_name = strdup(
290 p_slp_cfg->psz_value ? p_slp_cfg->psz_value : psz_url);
295 p_stream->pf_add = Add;
296 p_stream->pf_del = Del;
297 p_stream->pf_send = Send;
299 p_stream->p_sys = malloc( sizeof( sout_stream_sys_t) );
300 p_stream->p_sys->p_mux = p_mux;
301 p_stream->p_sys->p_slp = p_slp;
302 p_stream->p_sys->p_sap = p_sap;
307 /*****************************************************************************
309 *****************************************************************************/
310 static void Close( vlc_object_t * p_this )
312 sout_stream_t *p_stream = (sout_stream_t*)p_this;
313 sout_stream_sys_t *p_sys = p_stream->p_sys;
314 sout_access_out_t *p_access = p_sys->p_mux->p_access;
317 sout_SAPDelete( (sout_instance_t *)p_this , p_sys->p_sap );
322 sout_SLPDereg( (sout_instance_t *)p_this,
323 p_sys->p_slp->psz_url,
324 p_sys->p_slp->psz_name);
330 sout_MuxDelete( p_sys->p_mux );
331 sout_AccessOutDelete( p_access );
336 struct sout_stream_id_t
338 sout_input_t *p_input;
342 static sout_stream_id_t * Add( sout_stream_t *p_stream, es_format_t *p_fmt )
344 sout_stream_sys_t *p_sys = p_stream->p_sys;
345 sout_stream_id_t *id;
347 id = malloc( sizeof( sout_stream_id_t ) );
348 if( ( id->p_input = sout_MuxAddStream( p_sys->p_mux, p_fmt ) ) == NULL )
358 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
360 sout_stream_sys_t *p_sys = p_stream->p_sys;
362 sout_MuxDeleteStream( p_sys->p_mux, id->p_input );
369 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
372 sout_stream_sys_t *p_sys = p_stream->p_sys;
373 sout_instance_t *p_sout = p_stream->p_sout;
375 sout_MuxSendBuffer( p_sys->p_mux, id->p_input, p_buffer );
378 sout_SAPSend( p_sout , p_sys->p_sap );