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 *****************************************************************************/
34 #include <vlc_network.h>
37 /*****************************************************************************
39 *****************************************************************************/
40 #define ACCESS_TEXT N_("Output access method")
41 #define ACCESS_LONGTEXT N_( \
42 "Output method to use for the stream." )
43 #define MUX_TEXT N_("Output muxer")
44 #define MUX_LONGTEXT N_( \
45 "Muxer to use for the stream." )
46 #define DEST_TEXT N_("Output destination")
47 #define DEST_LONGTEXT N_( \
48 "Destination (URL) to use for the stream. Overrides path and bind parameters" )
49 #define BIND_TEXT N_("address to bind to (helper setting for dst)")
50 #define BIND_LONGTEXT N_( \
51 "address:port to bind vlc to listening incoming streams "\
52 "helper setting for dst,dst=bind+'/'+path. dst-parameter overrides this" )
53 #define PATH_TEXT N_("filename for stream (helper setting for dst)")
54 #define PATH_LONGTEXT N_( \
55 "Filename for stream "\
56 "helper setting for dst, dst=bind+'/'+path, dst-parameter overrides this" )
57 #define NAME_TEXT N_("Session name")
58 #define NAME_LONGTEXT N_( \
59 "This is the name of the session that will be announced in the SDP " \
60 "(Session Descriptor)." )
62 #define GROUP_TEXT N_("Session groupname")
63 #define GROUP_LONGTEXT N_( \
64 "This allows you to specify a group for the session, that will be announced "\
65 "if you choose to use SAP." )
67 #define DESC_TEXT N_("Session description")
68 #define DESC_LONGTEXT N_( \
69 "This allows you to give a short description with details about the stream, " \
70 "that will be announced in the SDP (Session Descriptor)." )
71 #define URL_TEXT N_("Session URL")
72 #define URL_LONGTEXT N_( \
73 "This allows you to give an URL with more details about the stream " \
74 "(often the website of the streaming organization), that will " \
75 "be announced in the SDP (Session Descriptor)." )
76 #define EMAIL_TEXT N_("Session email")
77 #define EMAIL_LONGTEXT N_( \
78 "This allows you to give a contact mail address for the stream, that will " \
79 "be announced in the SDP (Session Descriptor)." )
80 #define PHONE_TEXT N_("Session phone number")
81 #define PHONE_LONGTEXT N_( \
82 "This allows you to give a contact telephone number for the stream, that will " \
83 "be announced in the SDP (Session Descriptor)." )
86 #define SAP_TEXT N_("SAP announcing")
87 #define SAP_LONGTEXT N_("Announce this session with SAP.")
89 static int Open ( vlc_object_t * );
90 static void Close ( vlc_object_t * );
92 #define SOUT_CFG_PREFIX "sout-standard-"
95 set_shortname( _("Standard"));
96 set_description( _("Standard stream output") );
97 set_capability( "sout stream", 50 );
98 add_shortcut( "standard" );
99 add_shortcut( "std" );
100 set_category( CAT_SOUT );
101 set_subcategory( SUBCAT_SOUT_STREAM );
103 add_string( SOUT_CFG_PREFIX "access", "", NULL, ACCESS_TEXT,
104 ACCESS_LONGTEXT, false );
105 add_string( SOUT_CFG_PREFIX "mux", "", NULL, MUX_TEXT,
106 MUX_LONGTEXT, false );
107 add_string( SOUT_CFG_PREFIX "dst", "", NULL, DEST_TEXT,
108 DEST_LONGTEXT, false );
109 add_string( SOUT_CFG_PREFIX "bind", "", NULL, BIND_TEXT,
110 BIND_LONGTEXT, false );
111 add_string( SOUT_CFG_PREFIX "path", "", NULL, PATH_TEXT,
112 PATH_LONGTEXT, false );
115 add_bool( SOUT_CFG_PREFIX "sap", false, NULL, SAP_TEXT, SAP_LONGTEXT,
117 add_string( SOUT_CFG_PREFIX "name", "", NULL, NAME_TEXT, NAME_LONGTEXT,
119 add_string( SOUT_CFG_PREFIX "group", "", NULL, GROUP_TEXT, GROUP_LONGTEXT,
121 add_string( SOUT_CFG_PREFIX "description", "", NULL, DESC_TEXT, DESC_LONGTEXT,
123 add_string( SOUT_CFG_PREFIX "url", "", NULL, URL_TEXT, URL_LONGTEXT,
125 add_string( SOUT_CFG_PREFIX "email", "", NULL, EMAIL_TEXT, EMAIL_LONGTEXT,
127 add_string( SOUT_CFG_PREFIX "phone", "", NULL, PHONE_TEXT, PHONE_LONGTEXT,
129 add_obsolete_bool( SOUT_CFG_PREFIX "sap-ipv6" );
131 set_callbacks( Open, Close );
135 /*****************************************************************************
136 * Exported prototypes
137 *****************************************************************************/
138 static const char *ppsz_sout_options[] = {
139 "access", "mux", "url", "dst",
140 "sap", "name", "group", "description", "url", "email", "phone",
144 #define DEFAULT_PORT 1234
146 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
147 static int Del ( sout_stream_t *, sout_stream_id_t * );
148 static int Send( sout_stream_t *, sout_stream_id_t *, block_t* );
150 struct sout_stream_sys_t
153 session_descriptor_t *p_session;
156 /*****************************************************************************
158 *****************************************************************************/
159 static int Open( vlc_object_t *p_this )
161 sout_stream_t *p_stream = (sout_stream_t*)p_this;
162 sout_instance_t *p_sout = p_stream->p_sout;
163 sout_stream_sys_t *p_sys;
173 sout_access_out_t *p_access;
176 const char *psz_mux_byext = NULL;
178 config_ChainParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options,
181 var_Get( p_stream, SOUT_CFG_PREFIX "access", &val );
182 psz_access = *val.psz_string ? val.psz_string : NULL;
183 if( !*val.psz_string ) free( val.psz_string );
185 var_Get( p_stream, SOUT_CFG_PREFIX "mux", &val );
186 psz_mux = *val.psz_string ? val.psz_string : NULL;
187 if( !*val.psz_string ) free( val.psz_string );
189 var_Get( p_stream, SOUT_CFG_PREFIX "bind", &val );
190 psz_bind = *val.psz_string ? val.psz_string : NULL;
191 if( !*val.psz_string ) free( val.psz_string);
193 var_Get( p_stream, SOUT_CFG_PREFIX "path", &val );
194 psz_path = *val.psz_string ? val.psz_string : NULL;
195 if( !*val.psz_string ) free( val.psz_string);
197 if( psz_bind ) psz_url = psz_bind;
198 if( psz_url && psz_path )
200 if( asprintf( &psz_url,"%s/%s",psz_url,psz_path ) == -1 )
205 var_Get( p_stream, SOUT_CFG_PREFIX "dst", &val );
206 if( *val.psz_string )
209 psz_url = val.psz_string;
212 free( val.psz_string );
214 p_sys = p_stream->p_sys = malloc( sizeof( sout_stream_sys_t) );
215 if( !p_sys ) return VLC_ENOMEM;
216 p_stream->p_sys->p_session = NULL;
218 msg_Dbg( p_this, "creating `%s/%s://%s'", psz_access, psz_mux, psz_url );
220 /* ext -> muxer name */
221 if( psz_url && strrchr( psz_url, '.' ) )
224 static struct { const char ext[6]; const char mux[32]; } exttomux[] =
242 { "flv", "ffmpeg{mux=flv}" },
243 { "mkv", "ffmpeg{mux=matroska}"},
246 const char *psz_ext = strrchr( psz_url, '.' ) + 1;
249 msg_Dbg( p_this, "extension is %s", psz_ext );
250 for( i = 0; exttomux[i].ext[0]; i++ )
252 if( !strcasecmp( psz_ext, exttomux[i].ext ) )
254 psz_mux_byext = exttomux[i].mux;
258 msg_Dbg( p_this, "extension -> mux=%s", psz_mux_byext );
261 /* We fix access/mux to valid couple */
263 if( !psz_access && !psz_mux )
268 "no access _and_ no muxer, extension gives file/%s",
270 psz_access = strdup("file");
271 psz_mux = strdup(psz_mux_byext);
275 msg_Err( p_stream, "no access _and_ no muxer (fatal error)" );
280 if( psz_access && !psz_mux )
282 /* access given, no mux */
283 if( !strncmp( psz_access, "mmsh", 4 ) )
285 psz_mux = strdup("asfh");
287 else if (!strcmp (psz_access, "udp"))
289 psz_mux = strdup("ts");
291 else if( psz_mux_byext )
293 psz_mux = strdup(psz_mux_byext);
297 msg_Err( p_stream, "no mux specified or found by extension" );
301 else if( psz_mux && !psz_access )
303 /* mux given, no access */
304 if( !strncmp( psz_mux, "asfh", 4 ) )
306 psz_access = strdup("mmsh");
311 psz_access = strdup("file");
315 /* fix or warn of incompatible couple */
316 if( !strncmp( psz_access, "mmsh", 4 ) &&
317 strncmp( psz_mux, "asfh", 4 ) )
319 char *p = strchr( psz_mux,'{' );
321 msg_Warn( p_stream, "fixing to mmsh/asfh" );
324 if( asprintf( &p, "asfh%s", p ) == -1 )
332 psz_mux = strdup("asfh");
335 else if( !strncmp( psz_access, "udp", 3 ) )
337 if( !strncmp( psz_mux, "ffmpeg", 6 ) )
338 { /* why would you use ffmpeg's ts muxer ? YOU DON'T LOVE VLC ??? */
339 char *psz_ffmpeg_mux = var_CreateGetString( p_this, "ffmpeg-mux" );
340 if( !psz_ffmpeg_mux || strncmp( psz_ffmpeg_mux, "mpegts", 6 ) )
341 msg_Err( p_stream, "UDP is only valid with TS" );
342 free( psz_ffmpeg_mux );
344 else if( strncmp( psz_mux, "ts", 2 ) )
346 msg_Err( p_stream, "UDP is only valid with TS" );
349 else if( strncmp( psz_access, "file", 4 ) &&
350 ( !strncmp( psz_mux, "mov", 3 ) ||
351 !strncmp( psz_mux, "mp4", 3 ) ) )
353 msg_Err( p_stream, "mov and mp4 work only with file output" );
356 msg_Dbg( p_this, "using `%s/%s://%s'", psz_access, psz_mux, psz_url );
358 /* *** find and open appropriate access module *** */
359 p_access = sout_AccessOutNew( p_sout, psz_access, psz_url );
360 if( p_access == NULL )
362 msg_Err( p_stream, "no suitable sout access module for `%s/%s://%s'",
363 psz_access, psz_mux, psz_url );
368 msg_Dbg( p_stream, "access opened" );
370 /* *** find and open appropriate mux module *** */
371 p_mux = sout_MuxNew( p_sout, psz_mux, p_access );
374 msg_Err( p_stream, "no suitable sout mux module for `%s/%s://%s'",
375 psz_access, psz_mux, psz_url );
377 sout_AccessOutDelete( p_access );
382 msg_Dbg( p_stream, "mux opened" );
384 /* *** Create the SAP Session structure *** */
385 if( var_GetBool( p_stream, SOUT_CFG_PREFIX"sap" ) )
388 char *shost = var_GetNonEmptyString (p_access, "src-addr");
389 char *dhost = var_GetNonEmptyString (p_access, "dst-addr");
390 int sport = var_GetInteger (p_access, "src-port");
391 int dport = var_GetInteger (p_access, "dst-port");
392 struct sockaddr_storage src, dst;
393 socklen_t srclen = 0, dstlen = 0;
395 struct addrinfo *res;
396 if (vlc_getaddrinfo (VLC_OBJECT (p_stream), dhost, dport, NULL, &res) == 0)
398 memcpy (&dst, res->ai_addr, dstlen = res->ai_addrlen);
399 vlc_freeaddrinfo (res);
402 if (vlc_getaddrinfo (VLC_OBJECT (p_stream), shost, sport, NULL, &res) == 0)
404 memcpy (&src, res->ai_addr, srclen = res->ai_addrlen);
405 vlc_freeaddrinfo (res);
408 char *head = vlc_sdp_Start (VLC_OBJECT (p_stream), SOUT_CFG_PREFIX,
409 (struct sockaddr *)&src, srclen,
410 (struct sockaddr *)&dst, dstlen);
413 char *psz_sdp = NULL;
416 if (asprintf (&psz_sdp, "%s"
417 "m=video %d udp mpeg\r\n", head, dport) == -1)
422 /* Register the SDP with the SAP thread */
425 announce_method_t *p_method = sout_SAPMethod ();
426 msg_Dbg (p_stream, "Generated SDP:\n%s", psz_sdp);
429 sout_AnnounceRegisterSDP (p_sout, psz_sdp, dhost, p_method);
430 sout_MethodRelease (p_method);
435 p_stream->pf_add = Add;
436 p_stream->pf_del = Del;
437 p_stream->pf_send = Send;
439 p_sys->p_mux = p_mux;
448 /*****************************************************************************
450 *****************************************************************************/
451 static void Close( vlc_object_t * p_this )
453 sout_stream_t *p_stream = (sout_stream_t*)p_this;
454 sout_stream_sys_t *p_sys = p_stream->p_sys;
455 sout_access_out_t *p_access = p_sys->p_mux->p_access;
457 if( p_sys->p_session != NULL )
458 sout_AnnounceUnRegister( p_stream->p_sout, p_sys->p_session );
460 sout_MuxDelete( p_sys->p_mux );
461 sout_AccessOutDelete( p_access );
466 struct sout_stream_id_t
468 sout_input_t *p_input;
472 static sout_stream_id_t * Add( sout_stream_t *p_stream, es_format_t *p_fmt )
474 sout_stream_sys_t *p_sys = p_stream->p_sys;
475 sout_stream_id_t *id;
477 id = malloc( sizeof( sout_stream_id_t ) );
478 if( ( id->p_input = sout_MuxAddStream( p_sys->p_mux, p_fmt ) ) == NULL )
488 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
490 sout_stream_sys_t *p_sys = p_stream->p_sys;
492 sout_MuxDeleteStream( p_sys->p_mux, id->p_input );
499 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
502 sout_stream_sys_t *p_sys = p_stream->p_sys;
504 sout_MuxSendBuffer( p_sys->p_mux, id->p_input, p_buffer );