1 /*****************************************************************************
2 * standard.c: standard stream output module
3 *****************************************************************************
4 * Copyright (C) 2003-2011 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 *****************************************************************************/
31 #include <vlc_common.h>
32 #include <vlc_plugin.h>
35 #include <vlc_network.h>
38 /*****************************************************************************
40 *****************************************************************************/
41 #define ACCESS_TEXT N_("Output access method")
42 #define ACCESS_LONGTEXT N_( \
43 "Output method to use for the stream." )
44 #define MUX_TEXT N_("Output muxer")
45 #define MUX_LONGTEXT N_( \
46 "Muxer to use for the stream." )
47 #define DEST_TEXT N_("Output destination")
48 #define DEST_LONGTEXT N_( \
49 "Destination (URL) to use for the stream. Overrides path and bind parameters" )
50 #define BIND_TEXT N_("address to bind to (helper setting for dst)")
51 #define BIND_LONGTEXT N_( \
52 "address:port to bind vlc to listening incoming streams "\
53 "helper setting for dst,dst=bind+'/'+path. dst-parameter overrides this" )
54 #define PATH_TEXT N_("filename for stream (helper setting for dst)")
55 #define PATH_LONGTEXT N_( \
56 "Filename for stream "\
57 "helper setting for dst, dst=bind+'/'+path, dst-parameter overrides this" )
58 #define NAME_TEXT N_("Session name")
59 #define NAME_LONGTEXT N_( \
60 "This is the name of the session that will be announced in the SDP " \
61 "(Session Descriptor)." )
63 #define GROUP_TEXT N_("Session groupname")
64 #define GROUP_LONGTEXT N_( \
65 "This allows you to specify a group for the session, that will be announced "\
66 "if you choose to use SAP." )
68 #define DESC_TEXT N_("Session description")
69 #define DESC_LONGTEXT N_( \
70 "This allows you to give a short description with details about the stream, " \
71 "that will be announced in the SDP (Session Descriptor)." )
72 #define URL_TEXT N_("Session URL")
73 #define URL_LONGTEXT N_( \
74 "This allows you to give a URL with more details about the stream " \
75 "(often the website of the streaming organization), that will " \
76 "be announced in the SDP (Session Descriptor)." )
77 #define EMAIL_TEXT N_("Session email")
78 #define EMAIL_LONGTEXT N_( \
79 "This allows you to give a contact mail address for the stream, that will " \
80 "be announced in the SDP (Session Descriptor)." )
81 #define PHONE_TEXT N_("Session phone number")
82 #define PHONE_LONGTEXT N_( \
83 "This allows you to give a contact telephone number for the stream, that will " \
84 "be announced in the SDP (Session Descriptor)." )
87 #define SAP_TEXT N_("SAP announcing")
88 #define SAP_LONGTEXT N_("Announce this session with SAP.")
90 static int Open ( vlc_object_t
* );
91 static void Close ( vlc_object_t
* );
93 #define SOUT_CFG_PREFIX "sout-standard-"
96 set_shortname( N_("Standard"))
97 set_description( N_("Standard stream output") )
98 set_capability( "sout stream", 50 )
99 add_shortcut( "standard", "std", "file", "http", "udp" )
100 set_category( CAT_SOUT
)
101 set_subcategory( SUBCAT_SOUT_STREAM
)
103 add_string( SOUT_CFG_PREFIX
"access", "", ACCESS_TEXT
, ACCESS_LONGTEXT
, false )
104 add_string( SOUT_CFG_PREFIX
"mux", "", MUX_TEXT
, MUX_LONGTEXT
, false )
105 add_string( SOUT_CFG_PREFIX
"dst", "", DEST_TEXT
, DEST_LONGTEXT
, false )
106 add_string( SOUT_CFG_PREFIX
"bind", "", BIND_TEXT
, BIND_LONGTEXT
, false )
107 add_string( SOUT_CFG_PREFIX
"path", "", PATH_TEXT
, PATH_LONGTEXT
, false )
108 add_bool( SOUT_CFG_PREFIX
"sap", false, SAP_TEXT
, SAP_LONGTEXT
, true )
109 add_string( SOUT_CFG_PREFIX
"name", "", NAME_TEXT
, NAME_LONGTEXT
, true )
110 add_string( SOUT_CFG_PREFIX
"group", "", GROUP_TEXT
, GROUP_LONGTEXT
, true )
111 add_string( SOUT_CFG_PREFIX
"description", "", DESC_TEXT
, DESC_LONGTEXT
, true )
112 add_string( SOUT_CFG_PREFIX
"url", "", URL_TEXT
, URL_LONGTEXT
, true )
113 add_string( SOUT_CFG_PREFIX
"email", "", EMAIL_TEXT
, EMAIL_LONGTEXT
, true )
114 add_string( SOUT_CFG_PREFIX
"phone", "", PHONE_TEXT
, PHONE_LONGTEXT
, true )
116 set_callbacks( Open
, Close
)
120 /*****************************************************************************
121 * Exported prototypes
122 *****************************************************************************/
123 static const char *const ppsz_sout_options
[] = {
124 "access", "mux", "url", "dst",
125 "sap", "name", "group", "description", "url", "email", "phone",
129 #define DEFAULT_PORT 1234
131 struct sout_stream_sys_t
134 session_descriptor_t
*p_session
;
137 struct sout_stream_id_t
141 static sout_stream_id_t
* Add( sout_stream_t
*p_stream
, es_format_t
*p_fmt
)
143 return (sout_stream_id_t
*)sout_MuxAddStream( p_stream
->p_sys
->p_mux
, p_fmt
);
146 static int Del( sout_stream_t
*p_stream
, sout_stream_id_t
*id
)
148 sout_MuxDeleteStream( p_stream
->p_sys
->p_mux
, (sout_input_t
*)id
);
152 static int Send( sout_stream_t
*p_stream
, sout_stream_id_t
*id
,
155 sout_MuxSendBuffer( p_stream
->p_sys
->p_mux
, (sout_input_t
*)id
, p_buffer
);
158 static void create_SDP(sout_stream_t
*p_stream
, sout_access_out_t
*p_access
)
160 sout_stream_sys_t
*p_sys
= p_stream
->p_sys
;
162 static const struct addrinfo hints
= {
163 .ai_family
= AF_UNSPEC
,
164 .ai_socktype
= SOCK_DGRAM
,
166 .ai_flags
= AI_NUMERICHOST
| AI_NUMERICSERV
168 char *shost
= var_GetNonEmptyString (p_access
, "src-addr");
169 char *dhost
= var_GetNonEmptyString (p_access
, "dst-addr");
170 int sport
= var_GetInteger (p_access
, "src-port");
171 int dport
= var_GetInteger (p_access
, "dst-port");
172 struct sockaddr_storage src
, dst
;
173 socklen_t srclen
= 0, dstlen
= 0;
174 struct addrinfo
*res
;
176 if (!vlc_getaddrinfo ( VLC_OBJECT(p_stream
), dhost
, dport
, &hints
, &res
))
178 memcpy (&dst
, res
->ai_addr
, dstlen
= res
->ai_addrlen
);
182 if (!vlc_getaddrinfo ( VLC_OBJECT(p_stream
), shost
, sport
, &hints
, &res
))
184 memcpy (&src
, res
->ai_addr
, srclen
= res
->ai_addrlen
);
188 char *head
= vlc_sdp_Start (VLC_OBJECT (p_stream
), SOUT_CFG_PREFIX
,
189 (struct sockaddr
*)&src
, srclen
,
190 (struct sockaddr
*)&dst
, dstlen
);
195 char *psz_sdp
= NULL
;
196 if (asprintf (&psz_sdp
, "%s"
197 "m=video %d udp mpeg\r\n", head
, dport
) == -1)
201 /* Register the SDP with the SAP thread */
204 msg_Dbg (p_stream
, "Generated SDP:\n%s", psz_sdp
);
206 sout_AnnounceRegisterSDP (p_stream
->p_sout
, psz_sdp
, dhost
);
213 static const char *getMuxFromExt( const char *psz_url
)
215 static struct { const char ext
[6]; const char mux
[32]; } exttomux
[] =
236 { "flv", "ffmpeg{mux=flv}" },
237 { "mkv", "ffmpeg{mux=matroska}"},
238 { "webm", "ffmpeg{mux=webm}"},
243 const char *psz_ext
= strrchr( psz_url
, '.' );
248 for( size_t i
= 0; i
< sizeof exttomux
/ sizeof *exttomux
; i
++ )
249 if( !strcasecmp( psz_ext
, exttomux
[i
].ext
) )
250 return exttomux
[i
].mux
;
255 static int fixAccessMux( sout_stream_t
*p_stream
, char **ppsz_mux
,
256 char **ppsz_access
, const char *psz_url
)
258 char *psz_mux
= *ppsz_mux
;
259 char *psz_access
= *ppsz_access
;
262 const char *psz_mux_byext
= getMuxFromExt( psz_url
);
268 msg_Err( p_stream
, "no access _and_ no muxer" );
273 "no access _and_ no muxer, extension gives file/%s",
275 *ppsz_access
= strdup("file");
276 *ppsz_mux
= strdup(psz_mux_byext
);
280 if( !strncmp( psz_access
, "mmsh", 4 ) )
281 *ppsz_mux
= strdup("asfh");
282 else if (!strcmp (psz_access
, "udp"))
283 *ppsz_mux
= strdup("ts");
284 else if( psz_mux_byext
)
285 *ppsz_mux
= strdup(psz_mux_byext
);
288 msg_Err( p_stream
, "no mux specified or found by extension" );
293 else if( !psz_access
)
295 if( !strncmp( psz_mux
, "asfh", 4 ) )
296 *ppsz_access
= strdup("mmsh");
297 else /* default file */
298 *ppsz_access
= strdup("file");
303 static void checkAccessMux( sout_stream_t
*p_stream
, char *psz_access
,
306 if( !strncmp( psz_access
, "mmsh", 4 ) && strncmp( psz_mux
, "asfh", 4 ) )
307 msg_Err( p_stream
, "mmsh output is only valid with asfh mux" );
308 else if( strncmp( psz_access
, "file", 4 ) &&
309 ( !strncmp( psz_mux
, "mov", 3 ) || !strncmp( psz_mux
, "mp4", 3 ) ) )
310 msg_Err( p_stream
, "mov and mp4 mux are only valid with file output" );
311 else if( !strncmp( psz_access
, "udp", 3 ) )
313 if( !strncmp( psz_mux
, "ffmpeg", 6 ) )
314 { /* why would you use ffmpeg's ts muxer ? YOU DON'T LOVE VLC ??? */
315 char *psz_ffmpeg_mux
= var_CreateGetString( p_stream
, "ffmpeg-mux" );
316 if( !psz_ffmpeg_mux
|| strncmp( psz_ffmpeg_mux
, "mpegts", 6 ) )
317 msg_Err( p_stream
, "UDP output is only valid with TS mux" );
318 free( psz_ffmpeg_mux
);
320 else if( strncmp( psz_mux
, "ts", 2 ) )
321 msg_Err( p_stream
, "UDP output is only valid with TS mux" );
325 /*****************************************************************************
327 *****************************************************************************/
328 static int Open( vlc_object_t
*p_this
)
330 sout_stream_t
*p_stream
= (sout_stream_t
*)p_this
;
331 sout_instance_t
*p_sout
= p_stream
->p_sout
;
332 sout_stream_sys_t
*p_sys
;
333 char *psz_mux
, *psz_access
, *psz_url
;
334 sout_access_out_t
*p_access
;
335 int ret
= VLC_EGENERIC
;
337 config_ChainParse( p_stream
, SOUT_CFG_PREFIX
, ppsz_sout_options
,
340 psz_mux
= var_GetNonEmptyString( p_stream
, SOUT_CFG_PREFIX
"mux" );
342 psz_access
= var_GetNonEmptyString( p_stream
, SOUT_CFG_PREFIX
"access" );
345 if( !strcmp( p_stream
->psz_name
, "http" ) )
346 psz_access
= strdup("http");
347 else if (!strcmp (p_stream
->psz_name
, "udp"))
348 psz_access
= strdup("udp");
349 else if (!strcmp (p_stream
->psz_name
, "file"))
350 psz_access
= strdup("file");
353 psz_url
= var_GetNonEmptyString( p_stream
, SOUT_CFG_PREFIX
"dst" );
356 char *psz_bind
= var_GetNonEmptyString( p_stream
, SOUT_CFG_PREFIX
"bind" );
359 char *psz_path
= var_GetNonEmptyString( p_stream
, SOUT_CFG_PREFIX
"path" );
362 if( asprintf( &psz_url
, "%s/%s", psz_bind
, psz_path
) == -1 )
372 p_sys
= p_stream
->p_sys
= malloc( sizeof( sout_stream_sys_t
) );
378 p_sys
->p_session
= NULL
;
380 if( fixAccessMux( p_stream
, &psz_mux
, &psz_access
, psz_url
) )
383 checkAccessMux( p_stream
, psz_access
, psz_mux
);
385 p_access
= sout_AccessOutNew( p_sout
, psz_access
, psz_url
);
386 if( p_access
== NULL
)
388 msg_Err( p_stream
, "no suitable sout access module for `%s/%s://%s'",
389 psz_access
, psz_mux
, psz_url
);
393 p_sys
->p_mux
= sout_MuxNew( p_sout
, psz_mux
, p_access
);
396 msg_Err( p_stream
, "no suitable sout mux module for `%s/%s://%s'",
397 psz_access
, psz_mux
, psz_url
);
399 sout_AccessOutDelete( p_access
);
403 if( var_GetBool( p_stream
, SOUT_CFG_PREFIX
"sap" ) )
404 create_SDP( p_stream
, p_access
);
406 if( !sout_AccessOutCanControlPace( p_access
) )
407 p_sout
->i_out_pace_nocontrol
++;
409 p_stream
->pf_add
= Add
;
410 p_stream
->pf_del
= Del
;
411 p_stream
->pf_send
= Send
;
415 msg_Dbg( p_this
, "using `%s/%s://%s'", psz_access
, psz_mux
, psz_url
);
418 if( ret
!= VLC_SUCCESS
)
427 /*****************************************************************************
429 *****************************************************************************/
430 static void Close( vlc_object_t
* p_this
)
432 sout_stream_t
*p_stream
= (sout_stream_t
*)p_this
;
433 sout_stream_sys_t
*p_sys
= p_stream
->p_sys
;
434 sout_access_out_t
*p_access
= p_sys
->p_mux
->p_access
;
436 if( p_sys
->p_session
!= NULL
)
437 sout_AnnounceUnRegister( p_stream
->p_sout
, p_sys
->p_session
);
439 sout_MuxDelete( p_sys
->p_mux
);
440 if( !sout_AccessOutCanControlPace( p_access
) )
441 p_stream
->p_sout
->i_out_pace_nocontrol
--;
442 sout_AccessOutDelete( p_access
);