1 /*****************************************************************************
2 * standard.c: standard stream output module
3 *****************************************************************************
4 * Copyright (C) 2003-2007 the VideoLAN team
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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
32 #include <vlc_network.h>
35 /*****************************************************************************
37 *****************************************************************************/
38 #define ACCESS_TEXT N_("Output access method")
39 #define ACCESS_LONGTEXT N_( \
40 "Output method to use for the stream." )
41 #define MUX_TEXT N_("Output muxer")
42 #define MUX_LONGTEXT N_( \
43 "Muxer to use for the stream." )
44 #define DST_TEXT N_("Output destination")
45 #define DST_LONGTEXT N_( \
46 "Destination (URL) to use for the stream." )
47 #define NAME_TEXT N_("Session name")
48 #define NAME_LONGTEXT N_( \
49 "This allows you to specify a name for the session, that will be announced "\
50 "if you choose to use SAP." )
52 #define GROUP_TEXT N_("Session groupname")
53 #define GROUP_LONGTEXT N_( \
54 "This allows you to specify a group for the session, that will be announced "\
55 "if you choose to use SAP." )
57 #define DESC_TEXT N_("Session descriptipn")
58 #define DESC_LONGTEXT N_( \
59 "This allows you to give a short description with details about the stream, " \
60 "that will be announced in the SDP (Session Descriptor)." )
61 #define URL_TEXT N_("Session URL")
62 #define URL_LONGTEXT N_( \
63 "This allows you to give an URL with more details about the stream " \
64 "(often the website of the streaming organization), that will " \
65 "be announced in the SDP (Session Descriptor)." )
66 #define EMAIL_TEXT N_("Session email")
67 #define EMAIL_LONGTEXT N_( \
68 "This allows you to give a contact mail address for the stream, that will " \
69 "be announced in the SDP (Session Descriptor)." )
70 #define PHONE_TEXT N_("Session phone number")
71 #define PHONE_LONGTEXT N_( \
72 "This allows you to give a contact telephone number for the stream, that will " \
73 "be announced in the SDP (Session Descriptor)." )
76 #define SAP_TEXT N_("SAP announcing")
77 #define SAP_LONGTEXT N_("Announce this session with SAP.")
79 static int Open ( vlc_object_t * );
80 static void Close ( vlc_object_t * );
82 #define SOUT_CFG_PREFIX "sout-standard-"
85 set_shortname( _("Standard"));
86 set_description( _("Standard stream output") );
87 set_capability( "sout stream", 50 );
88 add_shortcut( "standard" );
89 add_shortcut( "std" );
90 set_category( CAT_SOUT );
91 set_subcategory( SUBCAT_SOUT_STREAM );
93 add_string( SOUT_CFG_PREFIX "access", "", NULL, ACCESS_TEXT,
94 ACCESS_LONGTEXT, VLC_FALSE );
95 add_string( SOUT_CFG_PREFIX "mux", "", NULL, MUX_TEXT,
96 MUX_LONGTEXT, VLC_FALSE );
97 add_string( SOUT_CFG_PREFIX "dst", "", NULL, DST_TEXT,
98 DST_LONGTEXT, VLC_FALSE );
100 add_bool( SOUT_CFG_PREFIX "sap", 0, NULL, SAP_TEXT, SAP_LONGTEXT, VLC_TRUE );
101 add_string( SOUT_CFG_PREFIX "name", "", NULL, NAME_TEXT, NAME_LONGTEXT,
103 add_string( SOUT_CFG_PREFIX "group", "", NULL, GROUP_TEXT, GROUP_LONGTEXT,
105 add_string( SOUT_CFG_PREFIX "description", "", NULL, DESC_TEXT, DESC_LONGTEXT,
107 add_string( SOUT_CFG_PREFIX "url", "", NULL, URL_TEXT, URL_LONGTEXT,
109 add_string( SOUT_CFG_PREFIX "email", "", NULL, EMAIL_TEXT, EMAIL_LONGTEXT,
111 add_string( SOUT_CFG_PREFIX "phone", "", NULL, PHONE_TEXT, PHONE_LONGTEXT,
113 add_obsolete_bool( SOUT_CFG_PREFIX "sap-ipv6" );
115 set_callbacks( Open, Close );
119 /*****************************************************************************
120 * Exported prototypes
121 *****************************************************************************/
122 static const char *ppsz_sout_options[] = {
123 "access", "mux", "url", "dst",
124 "sap", "name", "group", "description", "url", "email", "phone", NULL
127 #define DEFAULT_PORT 1234
129 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
130 static int Del ( sout_stream_t *, sout_stream_id_t * );
131 static int Send( sout_stream_t *, sout_stream_id_t *, block_t* );
133 struct sout_stream_sys_t
136 session_descriptor_t *p_session;
139 /*****************************************************************************
141 *****************************************************************************/
142 static int Open( vlc_object_t *p_this )
144 sout_stream_t *p_stream = (sout_stream_t*)p_this;
145 sout_instance_t *p_sout = p_stream->p_sout;
153 sout_access_out_t *p_access;
156 const char *psz_mux_byext = NULL;
158 config_ChainParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options,
161 var_Get( p_stream, SOUT_CFG_PREFIX "access", &val );
162 psz_access = *val.psz_string ? val.psz_string : NULL;
163 if( !*val.psz_string ) free( val.psz_string );
165 var_Get( p_stream, SOUT_CFG_PREFIX "mux", &val );
166 psz_mux = *val.psz_string ? val.psz_string : NULL;
167 if( !*val.psz_string ) free( val.psz_string );
170 var_Get( p_stream, SOUT_CFG_PREFIX "dst", &val );
171 psz_url = *val.psz_string ? val.psz_string : NULL;
172 if( !*val.psz_string ) free( val.psz_string );
174 p_stream->p_sys = malloc( sizeof( sout_stream_sys_t) );
175 p_stream->p_sys->p_session = NULL;
177 msg_Dbg( p_this, "creating `%s/%s://%s'", psz_access, psz_mux, psz_url );
179 /* ext -> muxer name */
180 if( psz_url && strrchr( psz_url, '.' ) )
183 static struct { const char *ext; const char *mux; } exttomux[] =
201 { "flv", "ffmpeg{mux=flv}" },
204 const char *psz_ext = strrchr( psz_url, '.' ) + 1;
207 msg_Dbg( p_this, "extension is %s", psz_ext );
208 for( i = 0; exttomux[i].ext != NULL; i++ )
210 if( !strcasecmp( psz_ext, exttomux[i].ext ) )
212 psz_mux_byext = exttomux[i].mux;
216 msg_Dbg( p_this, "extension -> mux=%s", psz_mux_byext );
219 /* We fix access/mux to valid couple */
221 if( !psz_access && !psz_mux )
226 "no access _and_ no muxer, extension gives file/%s",
228 psz_access = strdup("file");
229 psz_mux = strdup(psz_mux_byext);
233 msg_Err( p_stream, "no access _and_ no muxer (fatal error)" );
238 if( psz_access && !psz_mux )
240 /* access given, no mux */
241 if( !strncmp( psz_access, "mmsh", 4 ) )
243 psz_mux = strdup("asfh");
245 else if (!strcmp (psz_access, "udp")
246 || !strcmp (psz_access, "rtp") || !strcmp (psz_access, "udplite")
247 || !strcmp (psz_access, "tcp") || !strcmp (psz_access, "sctp")
248 || !strcmp (psz_access, "dccp"))
250 psz_mux = strdup("ts");
252 else if( psz_mux_byext )
254 psz_mux = strdup(psz_mux_byext);
258 msg_Err( p_stream, "no mux specified or found by extension" );
262 else if( psz_mux && !psz_access )
264 /* mux given, no access */
265 if( !strncmp( psz_mux, "asfh", 4 ) )
267 psz_access = strdup("mmsh");
272 psz_access = strdup("file");
276 /* fix or warn of incompatible couple */
277 if( psz_mux && psz_access )
279 if( !strncmp( psz_access, "mmsh", 4 ) &&
280 strncmp( psz_mux, "asfh", 4 ) )
282 char *p = strchr( psz_mux,'{' );
284 msg_Warn( p_stream, "fixing to mmsh/asfh" );
287 /* -> a little memleak but ... */
288 psz_mux = malloc( strlen( "asfh" ) + strlen( p ) + 1);
289 sprintf( psz_mux, "asfh%s", p );
293 psz_mux = strdup("asfh");
296 else if( ( !strncmp( psz_access, "rtp", 3 ) ||
297 !strncmp( psz_access, "udp", 3 ) ) &&
298 strncmp( psz_mux, "ts", 2 ) )
300 msg_Err( p_stream, "for now udp and rtp are only valid with TS" );
302 else if( strncmp( psz_access, "file", 4 ) &&
303 ( !strncmp( psz_mux, "mov", 3 ) ||
304 !strncmp( psz_mux, "mp4", 3 ) ) )
306 msg_Err( p_stream, "mov and mp4 work only with file output" );
310 msg_Dbg( p_this, "using `%s/%s://%s'", psz_access, psz_mux, psz_url );
312 /* *** find and open appropriate access module *** */
313 p_access = sout_AccessOutNew( p_sout, psz_access, psz_url );
314 if( p_access == NULL )
316 msg_Err( p_stream, "no suitable sout access module for `%s/%s://%s'",
317 psz_access, psz_mux, psz_url );
318 if( psz_access ) free( psz_access );
319 if( psz_mux ) free( psz_mux );
322 msg_Dbg( p_stream, "access opened" );
324 /* *** find and open appropriate mux module *** */
325 p_mux = sout_MuxNew( p_sout, psz_mux, p_access );
328 msg_Err( p_stream, "no suitable sout mux module for `%s/%s://%s'",
329 psz_access, psz_mux, psz_url );
331 sout_AccessOutDelete( p_access );
332 if( psz_access ) free( psz_access );
333 if( psz_mux ) free( psz_mux );
336 msg_Dbg( p_stream, "mux opened" );
338 /* *** Create the SAP Session structure *** */
339 if( var_GetBool( p_stream, SOUT_CFG_PREFIX"sap" ) )
341 session_descriptor_t *p_session;
342 announce_method_t *p_method = sout_SAPMethod ();
343 const int payload_type = 33;
345 static const struct { const char *access; const char *fmt; } fmts[] =
347 /* TLS/DTLS variants (none implemented): */
348 { "dtlslite", "UDPLite/TLS/RTP/AVP %d" },
349 { "dtls", "UDP/TLS/RTP/AVP %d" },
350 { "dccps", "DCCP/TLS/RTP/AVP %d" },
351 { "tls", "TCP/TLS/RTP/AVP %d" },
353 { "udplite", "UDPLite/RTP/AVP %d" },
354 { "udp", "udp mpeg" },
355 { "rtp", "RTP/AVP %d" },
356 /* Currently unsupported access outputs: */
357 { "dccp", "DCCP/RTP/AVP %d" },
358 { "tcp", "TCP/RTP/AVP %d" },
359 /* SRTP (none implemented): */
360 { "srtp", "RTP/SAVP %d" },
361 { "sudplite", "UDPLite/RTP/SAVP %d" },
362 { "sdccp", "DCCP/RTP/SAVP %d" },
363 { "stcp", "TCP/RTP/SAVP %d" },
366 const char *psz_sdp_fmt = NULL;
367 char *fmt, *src, *dst;
370 for (unsigned i = 0; fmts[i].access != NULL; i++)
371 if (strncasecmp (fmts[i].access, psz_access, strlen (fmts[i].access)) == 0)
373 psz_sdp_fmt = fmts[i].fmt;
377 src = var_GetNonEmptyString (p_access, "src-addr");
378 dst = var_GetNonEmptyString (p_access, "dst-addr");
379 sport = var_GetInteger (p_access, "src-port");
380 dport = var_GetInteger (p_access, "dst-port");
382 if ((psz_sdp_fmt == NULL)
383 || (asprintf (&fmt, psz_sdp_fmt, payload_type) == -1))
386 msg_Dbg( p_stream, "SAP advertized format: %s", fmt);
387 if ((fmt == NULL) || ((src == NULL) && (dst == NULL)))
389 msg_Err (p_access, "SAP announces not supported for access %s",
394 p_session = sout_AnnounceSessionCreate (VLC_OBJECT (p_stream),
396 sout_SessionSetMedia (VLC_OBJECT (p_stream), p_session, fmt,
397 src, sport, dst, dport);
398 sout_AnnounceRegister( p_sout, p_session, p_method );
399 p_stream->p_sys->p_session = p_session;
400 sout_MethodRelease (p_method);
408 p_stream->pf_add = Add;
409 p_stream->pf_del = Del;
410 p_stream->pf_send = Send;
412 p_stream->p_sys->p_mux = p_mux;
414 if( psz_access ) free( psz_access );
415 if( psz_mux ) free( psz_mux );
416 if( psz_url ) free( psz_url );
422 /*****************************************************************************
424 *****************************************************************************/
425 static void Close( vlc_object_t * p_this )
427 sout_stream_t *p_stream = (sout_stream_t*)p_this;
428 sout_stream_sys_t *p_sys = p_stream->p_sys;
429 sout_access_out_t *p_access = p_sys->p_mux->p_access;
431 if( p_sys->p_session != NULL )
433 sout_AnnounceUnRegister( p_stream->p_sout, p_sys->p_session );
434 sout_AnnounceSessionDestroy( p_sys->p_session );
438 sout_MuxDelete( p_sys->p_mux );
439 sout_AccessOutDelete( p_access );
444 struct sout_stream_id_t
446 sout_input_t *p_input;
450 static sout_stream_id_t * Add( sout_stream_t *p_stream, es_format_t *p_fmt )
452 sout_stream_sys_t *p_sys = p_stream->p_sys;
453 sout_stream_id_t *id;
455 id = malloc( sizeof( sout_stream_id_t ) );
456 if( ( id->p_input = sout_MuxAddStream( p_sys->p_mux, p_fmt ) ) == NULL )
466 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
468 sout_stream_sys_t *p_sys = p_stream->p_sys;
470 sout_MuxDeleteStream( p_sys->p_mux, id->p_input );
477 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
480 sout_stream_sys_t *p_sys = p_stream->p_sys;
482 sout_MuxSendBuffer( p_sys->p_mux, id->p_input, p_buffer );