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 # define _WIN32_WINNT 0x0501
35 #include <vlc_common.h>
36 #include <vlc_plugin.h>
39 #include <vlc_network.h>
42 /*****************************************************************************
44 *****************************************************************************/
45 #define ACCESS_TEXT N_("Output access method")
46 #define ACCESS_LONGTEXT N_( \
47 "Output method to use for the stream." )
48 #define MUX_TEXT N_("Output muxer")
49 #define MUX_LONGTEXT N_( \
50 "Muxer to use for the stream." )
51 #define DEST_TEXT N_("Output destination")
52 #define DEST_LONGTEXT N_( \
53 "Destination (URL) to use for the stream. Overrides path and bind parameters" )
54 #define BIND_TEXT N_("address to bind to (helper setting for dst)")
55 #define BIND_LONGTEXT N_( \
56 "address:port to bind vlc to listening incoming streams "\
57 "helper setting for dst,dst=bind+'/'+path. dst-parameter overrides this" )
58 #define PATH_TEXT N_("filename for stream (helper setting for dst)")
59 #define PATH_LONGTEXT N_( \
60 "Filename for stream "\
61 "helper setting for dst, dst=bind+'/'+path, dst-parameter overrides this" )
62 #define NAME_TEXT N_("Session name")
63 #define NAME_LONGTEXT N_( \
64 "This is the name of the session that will be announced in the SDP " \
65 "(Session Descriptor)." )
67 #define GROUP_TEXT N_("Session groupname")
68 #define GROUP_LONGTEXT N_( \
69 "This allows you to specify a group for the session, that will be announced "\
70 "if you choose to use SAP." )
72 #define DESC_TEXT N_("Session description")
73 #define DESC_LONGTEXT N_( \
74 "This allows you to give a short description with details about the stream, " \
75 "that will be announced in the SDP (Session Descriptor)." )
76 #define URL_TEXT N_("Session URL")
77 #define URL_LONGTEXT N_( \
78 "This allows you to give an URL with more details about the stream " \
79 "(often the website of the streaming organization), that will " \
80 "be announced in the SDP (Session Descriptor)." )
81 #define EMAIL_TEXT N_("Session email")
82 #define EMAIL_LONGTEXT N_( \
83 "This allows you to give a contact mail address for the stream, that will " \
84 "be announced in the SDP (Session Descriptor)." )
85 #define PHONE_TEXT N_("Session phone number")
86 #define PHONE_LONGTEXT N_( \
87 "This allows you to give a contact telephone number for the stream, that will " \
88 "be announced in the SDP (Session Descriptor)." )
91 #define SAP_TEXT N_("SAP announcing")
92 #define SAP_LONGTEXT N_("Announce this session with SAP.")
94 static int Open ( vlc_object_t * );
95 static void Close ( vlc_object_t * );
97 #define SOUT_CFG_PREFIX "sout-standard-"
100 set_shortname( N_("Standard"));
101 set_description( N_("Standard stream output") );
102 set_capability( "sout stream", 50 );
103 add_shortcut( "standard" );
104 add_shortcut( "std" );
105 set_category( CAT_SOUT );
106 set_subcategory( SUBCAT_SOUT_STREAM );
108 add_string( SOUT_CFG_PREFIX "access", "", NULL, ACCESS_TEXT,
109 ACCESS_LONGTEXT, false );
110 add_string( SOUT_CFG_PREFIX "mux", "", NULL, MUX_TEXT,
111 MUX_LONGTEXT, false );
112 add_string( SOUT_CFG_PREFIX "dst", "", NULL, DEST_TEXT,
113 DEST_LONGTEXT, false );
114 add_string( SOUT_CFG_PREFIX "bind", "", NULL, BIND_TEXT,
115 BIND_LONGTEXT, false );
116 add_string( SOUT_CFG_PREFIX "path", "", NULL, PATH_TEXT,
117 PATH_LONGTEXT, false );
120 add_bool( SOUT_CFG_PREFIX "sap", false, NULL, SAP_TEXT, SAP_LONGTEXT,
122 add_string( SOUT_CFG_PREFIX "name", "", NULL, NAME_TEXT, NAME_LONGTEXT,
124 add_string( SOUT_CFG_PREFIX "group", "", NULL, GROUP_TEXT, GROUP_LONGTEXT,
126 add_string( SOUT_CFG_PREFIX "description", "", NULL, DESC_TEXT, DESC_LONGTEXT,
128 add_string( SOUT_CFG_PREFIX "url", "", NULL, URL_TEXT, URL_LONGTEXT,
130 add_string( SOUT_CFG_PREFIX "email", "", NULL, EMAIL_TEXT, EMAIL_LONGTEXT,
132 add_string( SOUT_CFG_PREFIX "phone", "", NULL, PHONE_TEXT, PHONE_LONGTEXT,
134 add_obsolete_bool( SOUT_CFG_PREFIX "sap-ipv6" );
136 set_callbacks( Open, Close );
140 /*****************************************************************************
141 * Exported prototypes
142 *****************************************************************************/
143 static const char *const ppsz_sout_options[] = {
144 "access", "mux", "url", "dst",
145 "sap", "name", "group", "description", "url", "email", "phone",
149 #define DEFAULT_PORT 1234
151 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
152 static int Del ( sout_stream_t *, sout_stream_id_t * );
153 static int Send( sout_stream_t *, sout_stream_id_t *, block_t* );
155 struct sout_stream_sys_t
158 session_descriptor_t *p_session;
161 /*****************************************************************************
163 *****************************************************************************/
164 static int Open( vlc_object_t *p_this )
166 sout_stream_t *p_stream = (sout_stream_t*)p_this;
167 sout_instance_t *p_sout = p_stream->p_sout;
168 sout_stream_sys_t *p_sys;
178 sout_access_out_t *p_access;
181 const char *psz_mux_byext = NULL;
183 config_ChainParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options,
186 var_Get( p_stream, SOUT_CFG_PREFIX "access", &val );
187 psz_access = *val.psz_string ? val.psz_string : NULL;
188 if( !*val.psz_string ) free( val.psz_string );
190 var_Get( p_stream, SOUT_CFG_PREFIX "mux", &val );
191 psz_mux = *val.psz_string ? val.psz_string : NULL;
192 if( !*val.psz_string ) free( val.psz_string );
194 var_Get( p_stream, SOUT_CFG_PREFIX "bind", &val );
195 psz_bind = *val.psz_string ? val.psz_string : NULL;
196 if( !*val.psz_string ) free( val.psz_string);
198 var_Get( p_stream, SOUT_CFG_PREFIX "path", &val );
199 psz_path = *val.psz_string ? val.psz_string : NULL;
200 if( !*val.psz_string ) free( val.psz_string);
202 if( psz_bind ) psz_url = psz_bind;
203 if( psz_url && psz_path )
205 if( asprintf( &psz_url,"%s/%s",psz_url,psz_path ) == -1 )
210 var_Get( p_stream, SOUT_CFG_PREFIX "dst", &val );
211 if( *val.psz_string )
214 psz_url = val.psz_string;
217 free( val.psz_string );
219 p_sys = p_stream->p_sys = malloc( sizeof( sout_stream_sys_t) );
220 if( !p_sys ) return VLC_ENOMEM;
221 p_stream->p_sys->p_session = NULL;
223 msg_Dbg( p_this, "creating `%s/%s://%s'", psz_access, psz_mux, psz_url );
225 /* ext -> muxer name */
226 if( psz_url && strrchr( psz_url, '.' ) )
229 static struct { const char ext[6]; const char mux[32]; } exttomux[] =
247 { "flv", "ffmpeg{mux=flv}" },
248 { "mkv", "ffmpeg{mux=matroska}"},
251 const char *psz_ext = strrchr( psz_url, '.' ) + 1;
254 msg_Dbg( p_this, "extension is %s", psz_ext );
255 for( i = 0; exttomux[i].ext[0]; i++ )
257 if( !strcasecmp( psz_ext, exttomux[i].ext ) )
259 psz_mux_byext = exttomux[i].mux;
263 msg_Dbg( p_this, "extension -> mux=%s", psz_mux_byext );
266 /* We fix access/mux to valid couple */
268 if( !psz_access && !psz_mux )
273 "no access _and_ no muxer, extension gives file/%s",
275 psz_access = strdup("file");
276 psz_mux = strdup(psz_mux_byext);
280 msg_Err( p_stream, "no access _and_ no muxer (fatal error)" );
286 if( psz_access && !psz_mux )
288 /* access given, no mux */
289 if( !strncmp( psz_access, "mmsh", 4 ) )
291 psz_mux = strdup("asfh");
293 else if (!strcmp (psz_access, "udp"))
295 psz_mux = strdup("ts");
297 else if( psz_mux_byext )
299 psz_mux = strdup(psz_mux_byext);
303 msg_Err( p_stream, "no mux specified or found by extension" );
308 else if( psz_mux && !psz_access )
310 /* mux given, no access */
311 if( !strncmp( psz_mux, "asfh", 4 ) )
313 psz_access = strdup("mmsh");
318 psz_access = strdup("file");
322 /* fix or warn of incompatible couple */
323 if( !strncmp( psz_access, "mmsh", 4 ) &&
324 strncmp( psz_mux, "asfh", 4 ) )
326 char *p = strchr( psz_mux,'{' );
328 msg_Warn( p_stream, "fixing to mmsh/asfh" );
331 if( asprintf( &p, "asfh%s", p ) == -1 )
339 psz_mux = strdup("asfh");
342 else if( !strncmp( psz_access, "udp", 3 ) )
344 if( !strncmp( psz_mux, "ffmpeg", 6 ) )
345 { /* why would you use ffmpeg's ts muxer ? YOU DON'T LOVE VLC ??? */
346 char *psz_ffmpeg_mux = var_CreateGetString( p_this, "ffmpeg-mux" );
347 if( !psz_ffmpeg_mux || strncmp( psz_ffmpeg_mux, "mpegts", 6 ) )
348 msg_Err( p_stream, "UDP is only valid with TS" );
349 free( psz_ffmpeg_mux );
351 else if( strncmp( psz_mux, "ts", 2 ) )
353 msg_Err( p_stream, "UDP is only valid with TS" );
356 else if( strncmp( psz_access, "file", 4 ) &&
357 ( !strncmp( psz_mux, "mov", 3 ) ||
358 !strncmp( psz_mux, "mp4", 3 ) ) )
360 msg_Err( p_stream, "mov and mp4 work only with file output" );
363 msg_Dbg( p_this, "using `%s/%s://%s'", psz_access, psz_mux, psz_url );
365 /* *** find and open appropriate access module *** */
366 p_access = sout_AccessOutNew( p_sout, psz_access, psz_url );
367 if( p_access == NULL )
369 msg_Err( p_stream, "no suitable sout access module for `%s/%s://%s'",
370 psz_access, psz_mux, psz_url );
376 msg_Dbg( p_stream, "access opened" );
378 /* *** find and open appropriate mux module *** */
379 p_mux = sout_MuxNew( p_sout, psz_mux, p_access );
382 msg_Err( p_stream, "no suitable sout mux module for `%s/%s://%s'",
383 psz_access, psz_mux, psz_url );
385 sout_AccessOutDelete( p_access );
391 msg_Dbg( p_stream, "mux opened" );
393 /* *** Create the SAP Session structure *** */
394 if( var_GetBool( p_stream, SOUT_CFG_PREFIX"sap" ) )
397 static const struct addrinfo hints = {
398 .ai_family = AF_UNSPEC,
399 .ai_socktype = SOCK_DGRAM,
401 .ai_flags = AI_NUMERICHOST | AI_NUMERICSERV
403 char *shost = var_GetNonEmptyString (p_access, "src-addr");
404 char *dhost = var_GetNonEmptyString (p_access, "dst-addr");
405 int sport = var_GetInteger (p_access, "src-port");
406 int dport = var_GetInteger (p_access, "dst-port");
408 struct sockaddr_storage src, dst;
409 socklen_t srclen = 0, dstlen = 0;
410 struct addrinfo *res;
412 snprintf (port, sizeof (port), "%d", dport);
413 if (getaddrinfo (dhost, port, &hints, &res) == 0)
415 memcpy (&dst, res->ai_addr, dstlen = res->ai_addrlen);
419 snprintf (port, sizeof (port), "%d", sport);
420 if (getaddrinfo (shost, port, &hints, &res) == 0)
422 memcpy (&src, res->ai_addr, srclen = res->ai_addrlen);
426 char *head = vlc_sdp_Start (VLC_OBJECT (p_stream), SOUT_CFG_PREFIX,
427 (struct sockaddr *)&src, srclen,
428 (struct sockaddr *)&dst, dstlen);
431 char *psz_sdp = NULL;
434 if (asprintf (&psz_sdp, "%s"
435 "m=video %d udp mpeg\r\n", head, dport) == -1)
440 /* Register the SDP with the SAP thread */
443 announce_method_t *p_method = sout_SAPMethod ();
444 msg_Dbg (p_stream, "Generated SDP:\n%s", psz_sdp);
447 sout_AnnounceRegisterSDP (p_sout, psz_sdp, dhost, p_method);
448 sout_MethodRelease (p_method);
454 p_stream->pf_add = Add;
455 p_stream->pf_del = Del;
456 p_stream->pf_send = Send;
458 p_sys->p_mux = p_mux;
467 /*****************************************************************************
469 *****************************************************************************/
470 static void Close( vlc_object_t * p_this )
472 sout_stream_t *p_stream = (sout_stream_t*)p_this;
473 sout_stream_sys_t *p_sys = p_stream->p_sys;
474 sout_access_out_t *p_access = p_sys->p_mux->p_access;
476 if( p_sys->p_session != NULL )
477 sout_AnnounceUnRegister( p_stream->p_sout, p_sys->p_session );
479 sout_MuxDelete( p_sys->p_mux );
480 sout_AccessOutDelete( p_access );
485 struct sout_stream_id_t
487 sout_input_t *p_input;
491 static sout_stream_id_t * Add( sout_stream_t *p_stream, es_format_t *p_fmt )
493 sout_stream_sys_t *p_sys = p_stream->p_sys;
494 sout_stream_id_t *id;
496 id = malloc( sizeof( sout_stream_id_t ) );
497 if( ( id->p_input = sout_MuxAddStream( p_sys->p_mux, p_fmt ) ) == NULL )
507 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
509 sout_stream_sys_t *p_sys = p_stream->p_sys;
511 sout_MuxDeleteStream( p_sys->p_mux, id->p_input );
518 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
521 sout_stream_sys_t *p_sys = p_stream->p_sys;
523 sout_MuxSendBuffer( p_sys->p_mux, id->p_input, p_buffer );