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 *****************************************************************************/
33 #include <vlc_network.h>
36 /*****************************************************************************
38 *****************************************************************************/
39 #define ACCESS_TEXT N_("Output access method")
40 #define ACCESS_LONGTEXT N_( \
41 "Output method to use for the stream." )
42 #define MUX_TEXT N_("Output muxer")
43 #define MUX_LONGTEXT N_( \
44 "Muxer to use for the stream." )
45 #define DST_TEXT N_("Output destination")
46 #define DST_LONGTEXT N_( \
47 "Destination (URL) to use for the stream." )
48 #define NAME_TEXT N_("Session name")
49 #define NAME_LONGTEXT N_( \
50 "This allows you to specify a name for the session, that will be announced "\
51 "if you choose to use SAP." )
53 #define GROUP_TEXT N_("Session groupname")
54 #define GROUP_LONGTEXT N_( \
55 "This allows you to specify a group for the session, that will be announced "\
56 "if you choose to use SAP." )
58 #define DESC_TEXT N_("Session descriptipn")
59 #define DESC_LONGTEXT N_( \
60 "This allows you to give a short description with details about the stream, " \
61 "that will be announced in the SDP (Session Descriptor)." )
62 #define URL_TEXT N_("Session URL")
63 #define URL_LONGTEXT N_( \
64 "This allows you to give an URL with more details about the stream " \
65 "(often the website of the streaming organization), that will " \
66 "be announced in the SDP (Session Descriptor)." )
67 #define EMAIL_TEXT N_("Session email")
68 #define EMAIL_LONGTEXT N_( \
69 "This allows you to give a contact mail address for the stream, that will " \
70 "be announced in the SDP (Session Descriptor)." )
71 #define PHONE_TEXT N_("Session phone number")
72 #define PHONE_LONGTEXT N_( \
73 "This allows you to give a contact telephone number for the stream, that will " \
74 "be announced in the SDP (Session Descriptor)." )
77 #define SAP_TEXT N_("SAP announcing")
78 #define SAP_LONGTEXT N_("Announce this session with SAP.")
80 static int Open ( vlc_object_t * );
81 static void Close ( vlc_object_t * );
83 #define SOUT_CFG_PREFIX "sout-standard-"
86 set_shortname( _("Standard"));
87 set_description( _("Standard stream output") );
88 set_capability( "sout stream", 50 );
89 add_shortcut( "standard" );
90 add_shortcut( "std" );
91 set_category( CAT_SOUT );
92 set_subcategory( SUBCAT_SOUT_STREAM );
94 add_string( SOUT_CFG_PREFIX "access", "", NULL, ACCESS_TEXT,
95 ACCESS_LONGTEXT, VLC_FALSE );
96 add_string( SOUT_CFG_PREFIX "mux", "", NULL, MUX_TEXT,
97 MUX_LONGTEXT, VLC_FALSE );
98 add_string( SOUT_CFG_PREFIX "dst", "", NULL, DST_TEXT,
99 DST_LONGTEXT, VLC_FALSE );
101 add_bool( SOUT_CFG_PREFIX "sap", 0, NULL, SAP_TEXT, SAP_LONGTEXT, VLC_TRUE );
102 add_string( SOUT_CFG_PREFIX "name", "", NULL, NAME_TEXT, NAME_LONGTEXT,
104 add_string( SOUT_CFG_PREFIX "group", "", NULL, GROUP_TEXT, GROUP_LONGTEXT,
106 add_string( SOUT_CFG_PREFIX "description", "", NULL, DESC_TEXT, DESC_LONGTEXT,
108 add_string( SOUT_CFG_PREFIX "url", "", NULL, URL_TEXT, URL_LONGTEXT,
110 add_string( SOUT_CFG_PREFIX "email", "", NULL, EMAIL_TEXT, EMAIL_LONGTEXT,
112 add_string( SOUT_CFG_PREFIX "phone", "", NULL, PHONE_TEXT, PHONE_LONGTEXT,
114 add_obsolete_bool( SOUT_CFG_PREFIX "sap-ipv6" );
116 set_callbacks( Open, Close );
120 /*****************************************************************************
121 * Exported prototypes
122 *****************************************************************************/
123 static const char *ppsz_sout_options[] = {
124 "access", "mux", "url", "dst",
125 "sap", "name", "group", "description", "url", "email", "phone", NULL
128 #define DEFAULT_PORT 1234
130 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
131 static int Del ( sout_stream_t *, sout_stream_id_t * );
132 static int Send( sout_stream_t *, sout_stream_id_t *, block_t* );
134 struct sout_stream_sys_t
137 session_descriptor_t *p_session;
140 /*****************************************************************************
142 *****************************************************************************/
143 static int Open( vlc_object_t *p_this )
145 sout_stream_t *p_stream = (sout_stream_t*)p_this;
146 sout_instance_t *p_sout = p_stream->p_sout;
154 sout_access_out_t *p_access;
157 const char *psz_mux_byext = NULL;
159 config_ChainParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options,
162 var_Get( p_stream, SOUT_CFG_PREFIX "access", &val );
163 psz_access = *val.psz_string ? val.psz_string : NULL;
164 if( !*val.psz_string ) free( val.psz_string );
166 var_Get( p_stream, SOUT_CFG_PREFIX "mux", &val );
167 psz_mux = *val.psz_string ? val.psz_string : NULL;
168 if( !*val.psz_string ) free( val.psz_string );
171 var_Get( p_stream, SOUT_CFG_PREFIX "dst", &val );
172 psz_url = *val.psz_string ? val.psz_string : NULL;
173 if( !*val.psz_string ) free( val.psz_string );
175 p_stream->p_sys = malloc( sizeof( sout_stream_sys_t) );
176 p_stream->p_sys->p_session = NULL;
178 msg_Dbg( p_this, "creating `%s/%s://%s'", psz_access, psz_mux, psz_url );
180 /* ext -> muxer name */
181 if( psz_url && strrchr( psz_url, '.' ) )
184 static struct { const char *ext; const char *mux; } exttomux[] =
202 { "flv", "ffmpeg{mux=flv}" },
205 const char *psz_ext = strrchr( psz_url, '.' ) + 1;
208 msg_Dbg( p_this, "extension is %s", psz_ext );
209 for( i = 0; exttomux[i].ext != NULL; i++ )
211 if( !strcasecmp( psz_ext, exttomux[i].ext ) )
213 psz_mux_byext = exttomux[i].mux;
217 msg_Dbg( p_this, "extension -> mux=%s", psz_mux_byext );
220 /* We fix access/mux to valid couple */
222 if( !psz_access && !psz_mux )
227 "no access _and_ no muxer, extension gives file/%s",
229 psz_access = strdup("file");
230 psz_mux = strdup(psz_mux_byext);
234 msg_Err( p_stream, "no access _and_ no muxer (fatal error)" );
239 if( psz_access && !psz_mux )
241 /* access given, no mux */
242 if( !strncmp( psz_access, "mmsh", 4 ) )
244 psz_mux = strdup("asfh");
246 else if (!strcmp (psz_access, "udp")
247 || !strcmp (psz_access, "rtp") || !strcmp (psz_access, "udplite")
248 || !strcmp (psz_access, "tcp") || !strcmp (psz_access, "sctp")
249 || !strcmp (psz_access, "dccp"))
251 psz_mux = strdup("ts");
253 else if( psz_mux_byext )
255 psz_mux = strdup(psz_mux_byext);
259 msg_Err( p_stream, "no mux specified or found by extension" );
263 else if( psz_mux && !psz_access )
265 /* mux given, no access */
266 if( !strncmp( psz_mux, "asfh", 4 ) )
268 psz_access = strdup("mmsh");
273 psz_access = strdup("file");
277 /* fix or warn of incompatible couple */
278 if( psz_mux && psz_access )
280 if( !strncmp( psz_access, "mmsh", 4 ) &&
281 strncmp( psz_mux, "asfh", 4 ) )
283 char *p = strchr( psz_mux,'{' );
285 msg_Warn( p_stream, "fixing to mmsh/asfh" );
288 /* -> a little memleak but ... */
289 psz_mux = malloc( strlen( "asfh" ) + strlen( p ) + 1);
290 sprintf( psz_mux, "asfh%s", p );
294 psz_mux = strdup("asfh");
297 else if( ( !strncmp( psz_access, "rtp", 3 ) ||
298 !strncmp( psz_access, "udp", 3 ) ) &&
299 strncmp( psz_mux, "ts", 2 ) )
301 msg_Err( p_stream, "for now udp and rtp are only valid with TS" );
303 else if( strncmp( psz_access, "file", 4 ) &&
304 ( !strncmp( psz_mux, "mov", 3 ) ||
305 !strncmp( psz_mux, "mp4", 3 ) ) )
307 msg_Err( p_stream, "mov and mp4 work only with file output" );
311 msg_Dbg( p_this, "using `%s/%s://%s'", psz_access, psz_mux, psz_url );
313 /* *** find and open appropriate access module *** */
314 p_access = sout_AccessOutNew( p_sout, psz_access, psz_url );
315 if( p_access == NULL )
317 msg_Err( p_stream, "no suitable sout access module for `%s/%s://%s'",
318 psz_access, psz_mux, psz_url );
319 if( psz_access ) free( psz_access );
320 if( psz_mux ) free( psz_mux );
323 msg_Dbg( p_stream, "access opened" );
325 /* *** find and open appropriate mux module *** */
326 p_mux = sout_MuxNew( p_sout, psz_mux, p_access );
329 msg_Err( p_stream, "no suitable sout mux module for `%s/%s://%s'",
330 psz_access, psz_mux, psz_url );
332 sout_AccessOutDelete( p_access );
333 if( psz_access ) free( psz_access );
334 if( psz_mux ) free( psz_mux );
337 msg_Dbg( p_stream, "mux opened" );
339 /* *** Create the SAP Session structure *** */
340 if( var_GetBool( p_stream, SOUT_CFG_PREFIX"sap" ) )
342 session_descriptor_t *p_session;
343 announce_method_t *p_method = sout_SAPMethod ();
344 const int payload_type = 33;
346 static const struct { const char *access; const char *fmt; } fmts[] =
348 /* TLS/DTLS variants (none implemented): */
349 { "dtlslite", "UDPLite/TLS/RTP/AVP %d" },
350 { "dtls", "UDP/TLS/RTP/AVP %d" },
351 { "dccps", "DCCP/TLS/RTP/AVP %d" },
352 { "tls", "TCP/TLS/RTP/AVP %d" },
354 { "udplite", "UDPLite/RTP/AVP %d" },
355 { "udp", "udp mpeg" },
356 { "rtp", "RTP/AVP %d" },
357 /* Currently unsupported access outputs: */
358 { "dccp", "DCCP/RTP/AVP %d" },
359 { "tcp", "TCP/RTP/AVP %d" },
360 /* SRTP (none implemented): */
361 { "srtp", "RTP/SAVP %d" },
362 { "sudplite", "UDPLite/RTP/SAVP %d" },
363 { "sdccp", "DCCP/RTP/SAVP %d" },
364 { "stcp", "TCP/RTP/SAVP %d" },
367 const char *psz_sdp_fmt = NULL;
368 char *fmt, *src, *dst;
371 for (unsigned i = 0; fmts[i].access != NULL; i++)
372 if (strncasecmp (fmts[i].access, psz_access, strlen (fmts[i].access)) == 0)
374 psz_sdp_fmt = fmts[i].fmt;
378 src = var_GetNonEmptyString (p_access, "src-addr");
379 dst = var_GetNonEmptyString (p_access, "dst-addr");
380 sport = var_GetInteger (p_access, "src-port");
381 dport = var_GetInteger (p_access, "dst-port");
383 if ((psz_sdp_fmt == NULL)
384 || (asprintf (&fmt, psz_sdp_fmt, payload_type) == -1))
387 msg_Dbg( p_stream, "SAP advertized format: %s", fmt);
388 if ((fmt == NULL) || ((src == NULL) && (dst == NULL)))
390 msg_Err (p_access, "SAP announces not supported for access %s",
395 p_session = sout_AnnounceSessionCreate (VLC_OBJECT (p_stream),
397 sout_SessionSetMedia (VLC_OBJECT (p_stream), p_session, fmt,
398 src, sport, dst, dport);
399 sout_AnnounceRegister( p_sout, p_session, p_method );
400 p_stream->p_sys->p_session = p_session;
401 sout_MethodRelease (p_method);
409 p_stream->pf_add = Add;
410 p_stream->pf_del = Del;
411 p_stream->pf_send = Send;
413 p_stream->p_sys->p_mux = p_mux;
415 if( psz_access ) free( psz_access );
416 if( psz_mux ) free( psz_mux );
417 if( psz_url ) free( psz_url );
423 /*****************************************************************************
425 *****************************************************************************/
426 static void Close( vlc_object_t * p_this )
428 sout_stream_t *p_stream = (sout_stream_t*)p_this;
429 sout_stream_sys_t *p_sys = p_stream->p_sys;
430 sout_access_out_t *p_access = p_sys->p_mux->p_access;
432 if( p_sys->p_session != NULL )
434 sout_AnnounceUnRegister( p_stream->p_sout, p_sys->p_session );
435 sout_AnnounceSessionDestroy( p_sys->p_session );
439 sout_MuxDelete( p_sys->p_mux );
440 sout_AccessOutDelete( p_access );
445 struct sout_stream_id_t
447 sout_input_t *p_input;
451 static sout_stream_id_t * Add( sout_stream_t *p_stream, es_format_t *p_fmt )
453 sout_stream_sys_t *p_sys = p_stream->p_sys;
454 sout_stream_id_t *id;
456 id = malloc( sizeof( sout_stream_id_t ) );
457 if( ( id->p_input = sout_MuxAddStream( p_sys->p_mux, p_fmt ) ) == NULL )
467 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
469 sout_stream_sys_t *p_sys = p_stream->p_sys;
471 sout_MuxDeleteStream( p_sys->p_mux, id->p_input );
478 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
481 sout_stream_sys_t *p_sys = p_stream->p_sys;
483 sout_MuxSendBuffer( p_sys->p_mux, id->p_input, p_buffer );