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 0x0500
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 );
119 add_bool( SOUT_CFG_PREFIX "sap", false, NULL, SAP_TEXT, SAP_LONGTEXT,
121 add_string( SOUT_CFG_PREFIX "name", "", NULL, NAME_TEXT, NAME_LONGTEXT,
123 add_string( SOUT_CFG_PREFIX "group", "", NULL, GROUP_TEXT, GROUP_LONGTEXT,
125 add_string( SOUT_CFG_PREFIX "description", "", NULL, DESC_TEXT, DESC_LONGTEXT,
127 add_string( SOUT_CFG_PREFIX "url", "", NULL, URL_TEXT, URL_LONGTEXT,
129 add_string( SOUT_CFG_PREFIX "email", "", NULL, EMAIL_TEXT, EMAIL_LONGTEXT,
131 add_string( SOUT_CFG_PREFIX "phone", "", NULL, PHONE_TEXT, PHONE_LONGTEXT,
133 add_obsolete_bool( SOUT_CFG_PREFIX "sap-ipv6" )
135 set_callbacks( Open, Close )
139 /*****************************************************************************
140 * Exported prototypes
141 *****************************************************************************/
142 static const char *const ppsz_sout_options[] = {
143 "access", "mux", "url", "dst",
144 "sap", "name", "group", "description", "url", "email", "phone",
148 #define DEFAULT_PORT 1234
150 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
151 static int Del ( sout_stream_t *, sout_stream_id_t * );
152 static int Send( sout_stream_t *, sout_stream_id_t *, block_t* );
154 struct sout_stream_sys_t
157 session_descriptor_t *p_session;
160 /*****************************************************************************
162 *****************************************************************************/
163 static int Open( vlc_object_t *p_this )
165 sout_stream_t *p_stream = (sout_stream_t*)p_this;
166 sout_instance_t *p_sout = p_stream->p_sout;
167 sout_stream_sys_t *p_sys;
177 sout_access_out_t *p_access;
180 const char *psz_mux_byext = NULL;
182 config_ChainParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options,
185 var_Get( p_stream, SOUT_CFG_PREFIX "access", &val );
186 psz_access = *val.psz_string ? val.psz_string : NULL;
187 if( !*val.psz_string ) free( val.psz_string );
189 var_Get( p_stream, SOUT_CFG_PREFIX "mux", &val );
190 psz_mux = *val.psz_string ? val.psz_string : NULL;
191 if( !*val.psz_string ) free( val.psz_string );
193 var_Get( p_stream, SOUT_CFG_PREFIX "bind", &val );
194 psz_bind = *val.psz_string ? val.psz_string : NULL;
195 if( !*val.psz_string ) free( val.psz_string);
197 var_Get( p_stream, SOUT_CFG_PREFIX "path", &val );
198 psz_path = *val.psz_string ? val.psz_string : NULL;
199 if( !*val.psz_string ) free( val.psz_string);
201 if( psz_bind ) psz_url = psz_bind;
202 if( psz_url && psz_path )
204 if( asprintf( &psz_url,"%s/%s",psz_url,psz_path ) == -1 )
209 var_Get( p_stream, SOUT_CFG_PREFIX "dst", &val );
210 if( *val.psz_string )
213 psz_url = val.psz_string;
216 free( val.psz_string );
218 p_sys = p_stream->p_sys = malloc( sizeof( sout_stream_sys_t) );
224 p_stream->p_sys->p_session = NULL;
226 msg_Dbg( p_this, "creating `%s/%s://%s'", psz_access, psz_mux, psz_url );
228 /* ext -> muxer name */
229 if( psz_url && strrchr( psz_url, '.' ) )
232 static struct { const char ext[6]; const char mux[32]; } exttomux[] =
250 { "flv", "ffmpeg{mux=flv}" },
251 { "mkv", "ffmpeg{mux=matroska}"},
254 const char *psz_ext = strrchr( psz_url, '.' ) + 1;
257 msg_Dbg( p_this, "extension is %s", psz_ext );
258 for( i = 0; exttomux[i].ext[0]; i++ )
260 if( !strcasecmp( psz_ext, exttomux[i].ext ) )
262 psz_mux_byext = exttomux[i].mux;
266 msg_Dbg( p_this, "extension -> mux=%s", psz_mux_byext );
269 /* We fix access/mux to valid couple */
271 if( !psz_access && !psz_mux )
276 "no access _and_ no muxer, extension gives file/%s",
278 psz_access = strdup("file");
279 psz_mux = strdup(psz_mux_byext);
283 msg_Err( p_stream, "no access _and_ no muxer (fatal error)" );
290 if( psz_access && !psz_mux )
292 /* access given, no mux */
293 if( !strncmp( psz_access, "mmsh", 4 ) )
295 psz_mux = strdup("asfh");
297 else if (!strcmp (psz_access, "udp"))
299 psz_mux = strdup("ts");
301 else if( psz_mux_byext )
303 psz_mux = strdup(psz_mux_byext);
307 msg_Err( p_stream, "no mux specified or found by extension" );
312 else if( psz_mux && !psz_access )
314 /* mux given, no access */
315 if( !strncmp( psz_mux, "asfh", 4 ) )
317 psz_access = strdup("mmsh");
322 psz_access = strdup("file");
326 /* fix or warn of incompatible couple */
327 if( !strncmp( psz_access, "mmsh", 4 ) &&
328 strncmp( psz_mux, "asfh", 4 ) )
330 char *p = strchr( psz_mux,'{' );
332 msg_Warn( p_stream, "fixing to mmsh/asfh" );
335 if( asprintf( &p, "asfh%s", p ) == -1 )
343 psz_mux = strdup("asfh");
346 else if( !strncmp( psz_access, "udp", 3 ) )
348 if( !strncmp( psz_mux, "ffmpeg", 6 ) )
349 { /* why would you use ffmpeg's ts muxer ? YOU DON'T LOVE VLC ??? */
350 char *psz_ffmpeg_mux = var_CreateGetString( p_this, "ffmpeg-mux" );
351 if( !psz_ffmpeg_mux || strncmp( psz_ffmpeg_mux, "mpegts", 6 ) )
352 msg_Err( p_stream, "UDP is only valid with TS" );
353 free( psz_ffmpeg_mux );
355 else if( strncmp( psz_mux, "ts", 2 ) )
357 msg_Err( p_stream, "UDP is only valid with TS" );
360 else if( strncmp( psz_access, "file", 4 ) &&
361 ( !strncmp( psz_mux, "mov", 3 ) ||
362 !strncmp( psz_mux, "mp4", 3 ) ) )
364 msg_Err( p_stream, "mov and mp4 work only with file output" );
367 msg_Dbg( p_this, "using `%s/%s://%s'", psz_access, psz_mux, psz_url );
369 /* *** find and open appropriate access module *** */
370 p_access = sout_AccessOutNew( p_sout, psz_access, psz_url );
371 if( p_access == NULL )
373 msg_Err( p_stream, "no suitable sout access module for `%s/%s://%s'",
374 psz_access, psz_mux, psz_url );
381 msg_Dbg( p_stream, "access opened" );
383 /* *** find and open appropriate mux module *** */
384 p_mux = sout_MuxNew( p_sout, psz_mux, p_access );
387 msg_Err( p_stream, "no suitable sout mux module for `%s/%s://%s'",
388 psz_access, psz_mux, psz_url );
390 sout_AccessOutDelete( p_access );
397 msg_Dbg( p_stream, "mux opened" );
399 /* *** Create the SAP Session structure *** */
400 if( var_GetBool( p_stream, SOUT_CFG_PREFIX"sap" ) )
403 static const struct addrinfo hints = {
404 .ai_family = AF_UNSPEC,
405 .ai_socktype = SOCK_DGRAM,
407 .ai_flags = AI_NUMERICHOST | AI_NUMERICSERV
409 char *shost = var_GetNonEmptyString (p_access, "src-addr");
410 char *dhost = var_GetNonEmptyString (p_access, "dst-addr");
411 int sport = var_GetInteger (p_access, "src-port");
412 int dport = var_GetInteger (p_access, "dst-port");
413 struct sockaddr_storage src, dst;
414 socklen_t srclen = 0, dstlen = 0;
415 struct addrinfo *res;
417 if ( vlc_getaddrinfo ( VLC_OBJECT(p_stream), dhost, dport, &hints, &res) == 0)
419 memcpy (&dst, res->ai_addr, dstlen = res->ai_addrlen);
420 vlc_freeaddrinfo (res);
423 if (vlc_getaddrinfo ( VLC_OBJECT(p_stream), shost, sport, &hints, &res) == 0)
425 memcpy (&src, res->ai_addr, srclen = res->ai_addrlen);
426 vlc_freeaddrinfo (res);
429 char *head = vlc_sdp_Start (VLC_OBJECT (p_stream), SOUT_CFG_PREFIX,
430 (struct sockaddr *)&src, srclen,
431 (struct sockaddr *)&dst, dstlen);
434 char *psz_sdp = NULL;
437 if (asprintf (&psz_sdp, "%s"
438 "m=video %d udp mpeg\r\n", head, dport) == -1)
443 /* Register the SDP with the SAP thread */
446 announce_method_t *p_method = sout_SAPMethod ();
447 msg_Dbg (p_stream, "Generated SDP:\n%s", psz_sdp);
450 sout_AnnounceRegisterSDP (p_sout, psz_sdp, dhost, p_method);
451 sout_MethodRelease (p_method);
457 p_stream->pf_add = Add;
458 p_stream->pf_del = Del;
459 p_stream->pf_send = Send;
461 p_sys->p_mux = p_mux;
467 if( !sout_AccessOutCanControlPace( p_access ) )
468 p_sout->i_out_pace_nocontrol++;
473 /*****************************************************************************
475 *****************************************************************************/
476 static void Close( vlc_object_t * p_this )
478 sout_stream_t *p_stream = (sout_stream_t*)p_this;
479 sout_stream_sys_t *p_sys = p_stream->p_sys;
480 sout_access_out_t *p_access = p_sys->p_mux->p_access;
482 if( p_sys->p_session != NULL )
483 sout_AnnounceUnRegister( p_stream->p_sout, p_sys->p_session );
485 sout_MuxDelete( p_sys->p_mux );
486 if( !sout_AccessOutCanControlPace( p_access ) )
487 p_stream->p_sout->i_out_pace_nocontrol--;
488 sout_AccessOutDelete( p_access );
493 struct sout_stream_id_t
495 sout_input_t *p_input;
499 static sout_stream_id_t * Add( sout_stream_t *p_stream, es_format_t *p_fmt )
501 sout_stream_sys_t *p_sys = p_stream->p_sys;
502 sout_stream_id_t *id;
504 id = malloc( sizeof( sout_stream_id_t ) );
508 if( ( id->p_input = sout_MuxAddStream( p_sys->p_mux, p_fmt ) ) == NULL )
517 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
519 sout_stream_sys_t *p_sys = p_stream->p_sys;
521 sout_MuxDeleteStream( p_sys->p_mux, id->p_input );
528 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
531 sout_stream_sys_t *p_sys = p_stream->p_sys;
533 sout_MuxSendBuffer( p_sys->p_mux, id->p_input, p_buffer );