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 DST_TEXT N_("Output destination")
47 #define DST_LONGTEXT N_( \
48 "Destination (URL) to use for the stream." )
49 #define NAME_TEXT N_("Session name")
50 #define NAME_LONGTEXT N_( \
51 "This allows you to specify a name for the session, that will be announced "\
52 "if you choose to use SAP." )
54 #define GROUP_TEXT N_("Session groupname")
55 #define GROUP_LONGTEXT N_( \
56 "This allows you to specify a group for the session, that will be announced "\
57 "if you choose to use SAP." )
59 #define DESC_TEXT N_("Session description")
60 #define DESC_LONGTEXT N_( \
61 "This allows you to give a short description with details about the stream, " \
62 "that will be announced in the SDP (Session Descriptor)." )
63 #define URL_TEXT N_("Session URL")
64 #define URL_LONGTEXT N_( \
65 "This allows you to give an URL with more details about the stream " \
66 "(often the website of the streaming organization), that will " \
67 "be announced in the SDP (Session Descriptor)." )
68 #define EMAIL_TEXT N_("Session email")
69 #define EMAIL_LONGTEXT N_( \
70 "This allows you to give a contact mail address for the stream, that will " \
71 "be announced in the SDP (Session Descriptor)." )
72 #define PHONE_TEXT N_("Session phone number")
73 #define PHONE_LONGTEXT N_( \
74 "This allows you to give a contact telephone number for the stream, that will " \
75 "be announced in the SDP (Session Descriptor)." )
78 #define SAP_TEXT N_("SAP announcing")
79 #define SAP_LONGTEXT N_("Announce this session with SAP.")
81 static int Open ( vlc_object_t * );
82 static void Close ( vlc_object_t * );
84 #define SOUT_CFG_PREFIX "sout-standard-"
87 set_shortname( _("Standard"));
88 set_description( _("Standard stream output") );
89 set_capability( "sout stream", 50 );
90 add_shortcut( "standard" );
91 add_shortcut( "std" );
92 set_category( CAT_SOUT );
93 set_subcategory( SUBCAT_SOUT_STREAM );
95 add_string( SOUT_CFG_PREFIX "access", "", NULL, ACCESS_TEXT,
96 ACCESS_LONGTEXT, VLC_FALSE );
97 add_string( SOUT_CFG_PREFIX "mux", "", NULL, MUX_TEXT,
98 MUX_LONGTEXT, VLC_FALSE );
99 add_string( SOUT_CFG_PREFIX "dst", "", NULL, DST_TEXT,
100 DST_LONGTEXT, VLC_FALSE );
103 add_bool( SOUT_CFG_PREFIX "sap", VLC_FALSE, NULL, SAP_TEXT, SAP_LONGTEXT,
105 add_string( SOUT_CFG_PREFIX "name", "", NULL, NAME_TEXT, NAME_LONGTEXT,
107 add_string( SOUT_CFG_PREFIX "group", "", NULL, GROUP_TEXT, GROUP_LONGTEXT,
109 add_string( SOUT_CFG_PREFIX "description", "", NULL, DESC_TEXT, DESC_LONGTEXT,
111 add_string( SOUT_CFG_PREFIX "url", "", NULL, URL_TEXT, URL_LONGTEXT,
113 add_string( SOUT_CFG_PREFIX "email", "", NULL, EMAIL_TEXT, EMAIL_LONGTEXT,
115 add_string( SOUT_CFG_PREFIX "phone", "", NULL, PHONE_TEXT, PHONE_LONGTEXT,
117 add_obsolete_bool( SOUT_CFG_PREFIX "sap-ipv6" );
119 set_callbacks( Open, Close );
123 /*****************************************************************************
124 * Exported prototypes
125 *****************************************************************************/
126 static const char *ppsz_sout_options[] = {
127 "access", "mux", "url", "dst",
128 "sap", "name", "group", "description", "url", "email", "phone", NULL
131 #define DEFAULT_PORT 1234
133 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
134 static int Del ( sout_stream_t *, sout_stream_id_t * );
135 static int Send( sout_stream_t *, sout_stream_id_t *, block_t* );
137 struct sout_stream_sys_t
140 session_descriptor_t *p_session;
143 /*****************************************************************************
145 *****************************************************************************/
146 static int Open( vlc_object_t *p_this )
148 sout_stream_t *p_stream = (sout_stream_t*)p_this;
149 sout_instance_t *p_sout = p_stream->p_sout;
150 sout_stream_sys_t *p_sys;
158 sout_access_out_t *p_access;
161 const char *psz_mux_byext = NULL;
163 config_ChainParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options,
166 var_Get( p_stream, SOUT_CFG_PREFIX "access", &val );
167 psz_access = *val.psz_string ? val.psz_string : NULL;
168 if( !*val.psz_string ) free( val.psz_string );
170 var_Get( p_stream, SOUT_CFG_PREFIX "mux", &val );
171 psz_mux = *val.psz_string ? val.psz_string : NULL;
172 if( !*val.psz_string ) free( val.psz_string );
174 var_Get( p_stream, SOUT_CFG_PREFIX "dst", &val );
175 psz_url = *val.psz_string ? val.psz_string : NULL;
176 if( !*val.psz_string ) free( val.psz_string );
178 p_sys = p_stream->p_sys = malloc( sizeof( sout_stream_sys_t) );
179 if( !p_sys ) return VLC_ENOMEM;
180 p_stream->p_sys->p_session = NULL;
182 msg_Dbg( p_this, "creating `%s/%s://%s'", psz_access, psz_mux, psz_url );
184 /* ext -> muxer name */
185 if( psz_url && strrchr( psz_url, '.' ) )
188 static struct { const char ext[6]; const char mux[32]; } exttomux[] =
206 { "flv", "ffmpeg{mux=flv}" },
207 { "mkv", "ffmpeg{mux=matroska}"},
210 const char *psz_ext = strrchr( psz_url, '.' ) + 1;
213 msg_Dbg( p_this, "extension is %s", psz_ext );
214 for( i = 0; exttomux[i].ext[0]; i++ )
216 if( !strcasecmp( psz_ext, exttomux[i].ext ) )
218 psz_mux_byext = exttomux[i].mux;
222 msg_Dbg( p_this, "extension -> mux=%s", psz_mux_byext );
225 /* We fix access/mux to valid couple */
227 if( !psz_access && !psz_mux )
232 "no access _and_ no muxer, extension gives file/%s",
234 psz_access = strdup("file");
235 psz_mux = strdup(psz_mux_byext);
239 msg_Err( p_stream, "no access _and_ no muxer (fatal error)" );
244 if( psz_access && !psz_mux )
246 /* access given, no mux */
247 if( !strncmp( psz_access, "mmsh", 4 ) )
249 psz_mux = strdup("asfh");
251 else if (!strcmp (psz_access, "udp")
252 || !strcmp (psz_access, "rtp"))
254 psz_mux = strdup("ts");
256 else if( psz_mux_byext )
258 psz_mux = strdup(psz_mux_byext);
262 msg_Err( p_stream, "no mux specified or found by extension" );
266 else if( psz_mux && !psz_access )
268 /* mux given, no access */
269 if( !strncmp( psz_mux, "asfh", 4 ) )
271 psz_access = strdup("mmsh");
276 psz_access = strdup("file");
280 /* fix or warn of incompatible couple */
281 if( !strncmp( psz_access, "mmsh", 4 ) &&
282 strncmp( psz_mux, "asfh", 4 ) )
284 char *p = strchr( psz_mux,'{' );
286 msg_Warn( p_stream, "fixing to mmsh/asfh" );
289 if( asprintf( &p, "asfh%s", p ) == -1 )
297 psz_mux = strdup("asfh");
300 else if( ( !strncmp( psz_access, "rtp", 3 ) ||
301 !strncmp( psz_access, "udp", 3 ) ) &&
302 strncmp( psz_mux, "ts", 2 ) )
304 msg_Err( p_stream, "UDP and RTP are only valid with TS" );
306 else if( strncmp( psz_access, "file", 4 ) &&
307 ( !strncmp( psz_mux, "mov", 3 ) ||
308 !strncmp( psz_mux, "mp4", 3 ) ) )
310 msg_Err( p_stream, "mov and mp4 work only with file output" );
313 msg_Dbg( p_this, "using `%s/%s://%s'", psz_access, psz_mux, psz_url );
315 /* *** find and open appropriate access module *** */
316 p_access = sout_AccessOutNew( p_sout, psz_access, psz_url );
317 if( p_access == NULL )
319 msg_Err( p_stream, "no suitable sout access module for `%s/%s://%s'",
320 psz_access, psz_mux, psz_url );
325 msg_Dbg( p_stream, "access opened" );
327 /* *** find and open appropriate mux module *** */
328 p_mux = sout_MuxNew( p_sout, psz_mux, p_access );
331 msg_Err( p_stream, "no suitable sout mux module for `%s/%s://%s'",
332 psz_access, psz_mux, psz_url );
334 sout_AccessOutDelete( p_access );
339 msg_Dbg( p_stream, "mux opened" );
341 /* *** Create the SAP Session structure *** */
342 if( var_GetBool( p_stream, SOUT_CFG_PREFIX"sap" ) )
345 char *shost = var_GetNonEmptyString (p_access, "src-addr");
346 char *dhost = var_GetNonEmptyString (p_access, "dst-addr");
347 int sport = var_GetInteger (p_access, "src-port");
348 int dport = var_GetInteger (p_access, "dst-port");
349 struct sockaddr_storage src, dst;
350 socklen_t srclen = 0, dstlen = 0;
352 struct addrinfo *res;
353 if (vlc_getaddrinfo (VLC_OBJECT (p_stream), dhost, dport, NULL, &res) == 0)
355 memcpy (&dst, res->ai_addr, dstlen = res->ai_addrlen);
356 vlc_freeaddrinfo (res);
359 if (vlc_getaddrinfo (VLC_OBJECT (p_stream), shost, sport, NULL, &res) == 0)
361 memcpy (&src, res->ai_addr, srclen = res->ai_addrlen);
362 vlc_freeaddrinfo (res);
365 char *head = vlc_sdp_Start (VLC_OBJECT (p_stream), SOUT_CFG_PREFIX,
366 (struct sockaddr *)&src, srclen,
367 (struct sockaddr *)&dst, dstlen);
370 char *psz_sdp = NULL;
373 if (asprintf (&psz_sdp, "%s"
374 "m=video %d udp mpeg\r\n", head, dport) == -1)
379 /* Register the SDP with the SAP thread */
382 announce_method_t *p_method = sout_SAPMethod ();
383 msg_Dbg (p_stream, "Generated SDP:\n%s", psz_sdp);
386 sout_AnnounceRegisterSDP (p_sout, psz_sdp, dhost, p_method);
387 sout_MethodRelease (p_method);
392 p_stream->pf_add = Add;
393 p_stream->pf_del = Del;
394 p_stream->pf_send = Send;
396 p_sys->p_mux = p_mux;
405 /*****************************************************************************
407 *****************************************************************************/
408 static void Close( vlc_object_t * p_this )
410 sout_stream_t *p_stream = (sout_stream_t*)p_this;
411 sout_stream_sys_t *p_sys = p_stream->p_sys;
412 sout_access_out_t *p_access = p_sys->p_mux->p_access;
414 if( p_sys->p_session != NULL )
415 sout_AnnounceUnRegister( p_stream->p_sout, p_sys->p_session );
417 sout_MuxDelete( p_sys->p_mux );
418 sout_AccessOutDelete( p_access );
423 struct sout_stream_id_t
425 sout_input_t *p_input;
429 static sout_stream_id_t * Add( sout_stream_t *p_stream, es_format_t *p_fmt )
431 sout_stream_sys_t *p_sys = p_stream->p_sys;
432 sout_stream_id_t *id;
434 id = malloc( sizeof( sout_stream_id_t ) );
435 if( ( id->p_input = sout_MuxAddStream( p_sys->p_mux, p_fmt ) ) == NULL )
445 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
447 sout_stream_sys_t *p_sys = p_stream->p_sys;
449 sout_MuxDeleteStream( p_sys->p_mux, id->p_input );
456 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
459 sout_stream_sys_t *p_sys = p_stream->p_sys;
461 sout_MuxSendBuffer( p_sys->p_mux, id->p_input, p_buffer );