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 *****************************************************************************/
31 #include <vlc_network.h>
34 /*****************************************************************************
36 *****************************************************************************/
37 #define ACCESS_TEXT N_("Output access method")
38 #define ACCESS_LONGTEXT N_( \
39 "Output method to use for the stream." )
40 #define MUX_TEXT N_("Output muxer")
41 #define MUX_LONGTEXT N_( \
42 "Muxer to use for the stream." )
43 #define DST_TEXT N_("Output destination")
44 #define DST_LONGTEXT N_( \
45 "Destination (URL) to use for the stream." )
46 #define NAME_TEXT N_("Session name")
47 #define NAME_LONGTEXT N_( \
48 "This allows you to specify a name for the session, that will be announced "\
49 "if you choose to use SAP." )
51 #define GROUP_TEXT N_("Session groupname")
52 #define GROUP_LONGTEXT N_( \
53 "This allows you to specify a group for the session, that will be announced "\
54 "if you choose to use SAP." )
56 #define DESC_TEXT N_("Session descriptipn")
57 #define DESC_LONGTEXT N_( \
58 "This allows you to give a short description with details about the stream, " \
59 "that will be announced in the SDP (Session Descriptor)." )
60 #define URL_TEXT N_("Session URL")
61 #define URL_LONGTEXT N_( \
62 "This allows you to give an URL with more details about the stream " \
63 "(often the website of the streaming organization), that will " \
64 "be announced in the SDP (Session Descriptor)." )
65 #define EMAIL_TEXT N_("Session email")
66 #define EMAIL_LONGTEXT N_( \
67 "This allows you to give a contact mail address for the stream, that will " \
68 "be announced in the SDP (Session Descriptor)." )
69 #define PHONE_TEXT N_("Session phone number")
70 #define PHONE_LONGTEXT N_( \
71 "This allows you to give a contact telephone number for the stream, that will " \
72 "be announced in the SDP (Session Descriptor)." )
75 #define SAP_TEXT N_("SAP announcing")
76 #define SAP_LONGTEXT N_("Announce this session with SAP.")
78 static int Open ( vlc_object_t * );
79 static void Close ( vlc_object_t * );
81 #define SOUT_CFG_PREFIX "sout-standard-"
84 set_shortname( _("Standard"));
85 set_description( _("Standard stream output") );
86 set_capability( "sout stream", 50 );
87 add_shortcut( "standard" );
88 add_shortcut( "std" );
89 set_category( CAT_SOUT );
90 set_subcategory( SUBCAT_SOUT_STREAM );
92 add_string( SOUT_CFG_PREFIX "access", "", NULL, ACCESS_TEXT,
93 ACCESS_LONGTEXT, VLC_FALSE );
94 add_string( SOUT_CFG_PREFIX "mux", "", NULL, MUX_TEXT,
95 MUX_LONGTEXT, VLC_FALSE );
96 add_string( SOUT_CFG_PREFIX "dst", "", NULL, DST_TEXT,
97 DST_LONGTEXT, VLC_FALSE );
99 add_bool( SOUT_CFG_PREFIX "sap", VLC_FALSE, NULL, SAP_TEXT, SAP_LONGTEXT,
101 add_string( SOUT_CFG_PREFIX "name", "", NULL, NAME_TEXT, NAME_LONGTEXT,
103 add_string( SOUT_CFG_PREFIX "group", "", NULL, GROUP_TEXT, GROUP_LONGTEXT,
105 add_string( SOUT_CFG_PREFIX "description", "", NULL, DESC_TEXT, DESC_LONGTEXT,
107 add_string( SOUT_CFG_PREFIX "url", "", NULL, URL_TEXT, URL_LONGTEXT,
109 add_string( SOUT_CFG_PREFIX "email", "", NULL, EMAIL_TEXT, EMAIL_LONGTEXT,
111 add_string( SOUT_CFG_PREFIX "phone", "", NULL, PHONE_TEXT, PHONE_LONGTEXT,
113 add_obsolete_bool( SOUT_CFG_PREFIX "sap-ipv6" );
115 set_callbacks( Open, Close );
119 /*****************************************************************************
120 * Exported prototypes
121 *****************************************************************************/
122 static const char *ppsz_sout_options[] = {
123 "access", "mux", "url", "dst",
124 "sap", "name", "group", "description", "url", "email", "phone", NULL
127 #define DEFAULT_PORT 1234
129 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
130 static int Del ( sout_stream_t *, sout_stream_id_t * );
131 static int Send( sout_stream_t *, sout_stream_id_t *, block_t* );
133 struct sout_stream_sys_t
136 session_descriptor_t *p_session;
139 /*****************************************************************************
141 *****************************************************************************/
142 static int Open( vlc_object_t *p_this )
144 sout_stream_t *p_stream = (sout_stream_t*)p_this;
145 sout_instance_t *p_sout = p_stream->p_sout;
146 sout_stream_sys_t *p_sys;
154 sout_access_out_t *p_access;
157 const char *psz_mux_byext = NULL;
159 config_ChainParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options,
162 var_Get( p_stream, SOUT_CFG_PREFIX "access", &val );
163 psz_access = *val.psz_string ? val.psz_string : NULL;
164 if( !*val.psz_string ) free( val.psz_string );
166 var_Get( p_stream, SOUT_CFG_PREFIX "mux", &val );
167 psz_mux = *val.psz_string ? val.psz_string : NULL;
168 if( !*val.psz_string ) free( val.psz_string );
171 var_Get( p_stream, SOUT_CFG_PREFIX "dst", &val );
172 psz_url = *val.psz_string ? val.psz_string : NULL;
173 if( !*val.psz_string ) free( val.psz_string );
175 p_sys = p_stream->p_sys = malloc( sizeof( sout_stream_sys_t) );
176 p_stream->p_sys->p_session = NULL;
178 msg_Dbg( p_this, "creating `%s/%s://%s'", psz_access, psz_mux, psz_url );
180 /* ext -> muxer name */
181 if( psz_url && strrchr( psz_url, '.' ) )
184 static struct { const char ext[6]; const char mux[16]; } exttomux[] =
202 { "flv", "ffmpeg{mux=flv}" },
205 const char *psz_ext = strrchr( psz_url, '.' ) + 1;
208 msg_Dbg( p_this, "extension is %s", psz_ext );
209 for( i = 0; exttomux[i].ext[0]; i++ )
211 if( !strcasecmp( psz_ext, exttomux[i].ext ) )
213 psz_mux_byext = exttomux[i].mux;
217 msg_Dbg( p_this, "extension -> mux=%s", psz_mux_byext );
220 /* We fix access/mux to valid couple */
222 if( !psz_access && !psz_mux )
227 "no access _and_ no muxer, extension gives file/%s",
229 psz_access = strdup("file");
230 psz_mux = strdup(psz_mux_byext);
234 msg_Err( p_stream, "no access _and_ no muxer (fatal error)" );
239 if( psz_access && !psz_mux )
241 /* access given, no mux */
242 if( !strncmp( psz_access, "mmsh", 4 ) )
244 psz_mux = strdup("asfh");
246 else if (!strcmp (psz_access, "udp")
247 || !strcmp (psz_access, "rtp"))
249 psz_mux = strdup("ts");
251 else if( psz_mux_byext )
253 psz_mux = strdup(psz_mux_byext);
257 msg_Err( p_stream, "no mux specified or found by extension" );
261 else if( psz_mux && !psz_access )
263 /* mux given, no access */
264 if( !strncmp( psz_mux, "asfh", 4 ) )
266 psz_access = strdup("mmsh");
271 psz_access = strdup("file");
275 /* fix or warn of incompatible couple */
276 if( !strncmp( psz_access, "mmsh", 4 ) &&
277 strncmp( psz_mux, "asfh", 4 ) )
279 char *p = strchr( psz_mux,'{' );
281 msg_Warn( p_stream, "fixing to mmsh/asfh" );
284 if( asprintf( &p, "asfh%s", p ) == -1 )
292 psz_mux = strdup("asfh");
295 else if( ( !strncmp( psz_access, "rtp", 3 ) ||
296 !strncmp( psz_access, "udp", 3 ) ) &&
297 strncmp( psz_mux, "ts", 2 ) )
299 msg_Err( p_stream, "UDP and RTP are only valid with TS" );
301 else if( strncmp( psz_access, "file", 4 ) &&
302 ( !strncmp( psz_mux, "mov", 3 ) ||
303 !strncmp( psz_mux, "mp4", 3 ) ) )
305 msg_Err( p_stream, "mov and mp4 work only with file output" );
308 msg_Dbg( p_this, "using `%s/%s://%s'", psz_access, psz_mux, psz_url );
310 /* *** find and open appropriate access module *** */
311 p_access = sout_AccessOutNew( p_sout, psz_access, psz_url );
312 if( p_access == NULL )
314 msg_Err( p_stream, "no suitable sout access module for `%s/%s://%s'",
315 psz_access, psz_mux, psz_url );
320 msg_Dbg( p_stream, "access opened" );
322 /* *** find and open appropriate mux module *** */
323 p_mux = sout_MuxNew( p_sout, psz_mux, p_access );
326 msg_Err( p_stream, "no suitable sout mux module for `%s/%s://%s'",
327 psz_access, psz_mux, psz_url );
329 sout_AccessOutDelete( p_access );
334 msg_Dbg( p_stream, "mux opened" );
336 /* *** Create the SAP Session structure *** */
337 if( var_GetBool( p_stream, SOUT_CFG_PREFIX"sap" ) )
340 char *shost = var_GetNonEmptyString (p_access, "src-addr");
341 char *dhost = var_GetNonEmptyString (p_access, "dst-addr");
342 int sport = var_GetInteger (p_access, "src-port");
343 int dport = var_GetInteger (p_access, "dst-port");
344 struct sockaddr_storage src, dst;
345 socklen_t srclen = 0, dstlen = 0;
347 struct addrinfo *res;
348 if (vlc_getaddrinfo (VLC_OBJECT (p_stream), dhost, dport, NULL, &res) == 0)
350 memcpy (&dst, res->ai_addr, dstlen = res->ai_addrlen);
351 vlc_freeaddrinfo (res);
354 if (vlc_getaddrinfo (VLC_OBJECT (p_stream), shost, sport, NULL, &res) == 0)
356 memcpy (&src, res->ai_addr, srclen = res->ai_addrlen);
357 vlc_freeaddrinfo (res);
360 char *head = vlc_sdp_Start (VLC_OBJECT (p_stream), SOUT_CFG_PREFIX,
361 (struct sockaddr *)&src, srclen,
362 (struct sockaddr *)&dst, dstlen);
365 char *psz_sdp = NULL;
368 if (asprintf (&psz_sdp, "%s"
369 "m=video %d udp mpeg\r\n", head, dport) == -1)
374 /* Register the SDP with the SAP thread */
377 announce_method_t *p_method = sout_SAPMethod ();
378 msg_Dbg (p_stream, "Generated SDP:\n%s", psz_sdp);
381 sout_AnnounceRegisterSDP (p_sout, SOUT_CFG_PREFIX, psz_sdp,
383 sout_MethodRelease (p_method);
388 p_stream->pf_add = Add;
389 p_stream->pf_del = Del;
390 p_stream->pf_send = Send;
392 p_sys->p_mux = p_mux;
401 /*****************************************************************************
403 *****************************************************************************/
404 static void Close( vlc_object_t * p_this )
406 sout_stream_t *p_stream = (sout_stream_t*)p_this;
407 sout_stream_sys_t *p_sys = p_stream->p_sys;
408 sout_access_out_t *p_access = p_sys->p_mux->p_access;
410 if( p_sys->p_session != NULL )
412 sout_AnnounceUnRegister( p_stream->p_sout, p_sys->p_session );
413 sout_AnnounceSessionDestroy( p_sys->p_session );
416 sout_MuxDelete( p_sys->p_mux );
417 sout_AccessOutDelete( p_access );
422 struct sout_stream_id_t
424 sout_input_t *p_input;
428 static sout_stream_id_t * Add( sout_stream_t *p_stream, es_format_t *p_fmt )
430 sout_stream_sys_t *p_sys = p_stream->p_sys;
431 sout_stream_id_t *id;
433 id = malloc( sizeof( sout_stream_id_t ) );
434 if( ( id->p_input = sout_MuxAddStream( p_sys->p_mux, p_fmt ) ) == NULL )
444 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
446 sout_stream_sys_t *p_sys = p_stream->p_sys;
448 sout_MuxDeleteStream( p_sys->p_mux, id->p_input );
455 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
458 sout_stream_sys_t *p_sys = p_stream->p_sys;
460 sout_MuxSendBuffer( p_sys->p_mux, id->p_input, p_buffer );