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 description")
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[32]; } exttomux[] =
202 { "flv", "ffmpeg{mux=flv}" },
203 { "mkv", "ffmpeg{mux=matroska}"},
206 const char *psz_ext = strrchr( psz_url, '.' ) + 1;
209 msg_Dbg( p_this, "extension is %s", psz_ext );
210 for( i = 0; exttomux[i].ext[0]; i++ )
212 if( !strcasecmp( psz_ext, exttomux[i].ext ) )
214 psz_mux_byext = exttomux[i].mux;
218 msg_Dbg( p_this, "extension -> mux=%s", psz_mux_byext );
221 /* We fix access/mux to valid couple */
223 if( !psz_access && !psz_mux )
228 "no access _and_ no muxer, extension gives file/%s",
230 psz_access = strdup("file");
231 psz_mux = strdup(psz_mux_byext);
235 msg_Err( p_stream, "no access _and_ no muxer (fatal error)" );
240 if( psz_access && !psz_mux )
242 /* access given, no mux */
243 if( !strncmp( psz_access, "mmsh", 4 ) )
245 psz_mux = strdup("asfh");
247 else if (!strcmp (psz_access, "udp")
248 || !strcmp (psz_access, "rtp"))
250 psz_mux = strdup("ts");
252 else if( psz_mux_byext )
254 psz_mux = strdup(psz_mux_byext);
258 msg_Err( p_stream, "no mux specified or found by extension" );
262 else if( psz_mux && !psz_access )
264 /* mux given, no access */
265 if( !strncmp( psz_mux, "asfh", 4 ) )
267 psz_access = strdup("mmsh");
272 psz_access = strdup("file");
276 /* fix or warn of incompatible couple */
277 if( !strncmp( psz_access, "mmsh", 4 ) &&
278 strncmp( psz_mux, "asfh", 4 ) )
280 char *p = strchr( psz_mux,'{' );
282 msg_Warn( p_stream, "fixing to mmsh/asfh" );
285 if( asprintf( &p, "asfh%s", p ) == -1 )
293 psz_mux = strdup("asfh");
296 else if( ( !strncmp( psz_access, "rtp", 3 ) ||
297 !strncmp( psz_access, "udp", 3 ) ) &&
298 strncmp( psz_mux, "ts", 2 ) )
300 msg_Err( p_stream, "UDP and RTP are only valid with TS" );
302 else if( strncmp( psz_access, "file", 4 ) &&
303 ( !strncmp( psz_mux, "mov", 3 ) ||
304 !strncmp( psz_mux, "mp4", 3 ) ) )
306 msg_Err( p_stream, "mov and mp4 work only with file output" );
309 msg_Dbg( p_this, "using `%s/%s://%s'", psz_access, psz_mux, psz_url );
311 /* *** find and open appropriate access module *** */
312 p_access = sout_AccessOutNew( p_sout, psz_access, psz_url );
313 if( p_access == NULL )
315 msg_Err( p_stream, "no suitable sout access module for `%s/%s://%s'",
316 psz_access, psz_mux, psz_url );
321 msg_Dbg( p_stream, "access opened" );
323 /* *** find and open appropriate mux module *** */
324 p_mux = sout_MuxNew( p_sout, psz_mux, p_access );
327 msg_Err( p_stream, "no suitable sout mux module for `%s/%s://%s'",
328 psz_access, psz_mux, psz_url );
330 sout_AccessOutDelete( p_access );
335 msg_Dbg( p_stream, "mux opened" );
337 /* *** Create the SAP Session structure *** */
338 if( var_GetBool( p_stream, SOUT_CFG_PREFIX"sap" ) )
341 char *shost = var_GetNonEmptyString (p_access, "src-addr");
342 char *dhost = var_GetNonEmptyString (p_access, "dst-addr");
343 int sport = var_GetInteger (p_access, "src-port");
344 int dport = var_GetInteger (p_access, "dst-port");
345 struct sockaddr_storage src, dst;
346 socklen_t srclen = 0, dstlen = 0;
348 struct addrinfo *res;
349 if (vlc_getaddrinfo (VLC_OBJECT (p_stream), dhost, dport, NULL, &res) == 0)
351 memcpy (&dst, res->ai_addr, dstlen = res->ai_addrlen);
352 vlc_freeaddrinfo (res);
355 if (vlc_getaddrinfo (VLC_OBJECT (p_stream), shost, sport, NULL, &res) == 0)
357 memcpy (&src, res->ai_addr, srclen = res->ai_addrlen);
358 vlc_freeaddrinfo (res);
361 char *head = vlc_sdp_Start (VLC_OBJECT (p_stream), SOUT_CFG_PREFIX,
362 (struct sockaddr *)&src, srclen,
363 (struct sockaddr *)&dst, dstlen);
366 char *psz_sdp = NULL;
369 if (asprintf (&psz_sdp, "%s"
370 "m=video %d udp mpeg\r\n", head, dport) == -1)
375 /* Register the SDP with the SAP thread */
378 announce_method_t *p_method = sout_SAPMethod ();
379 msg_Dbg (p_stream, "Generated SDP:\n%s", psz_sdp);
382 sout_AnnounceRegisterSDP (p_sout, SOUT_CFG_PREFIX, psz_sdp,
384 sout_MethodRelease (p_method);
389 p_stream->pf_add = Add;
390 p_stream->pf_del = Del;
391 p_stream->pf_send = Send;
393 p_sys->p_mux = p_mux;
402 /*****************************************************************************
404 *****************************************************************************/
405 static void Close( vlc_object_t * p_this )
407 sout_stream_t *p_stream = (sout_stream_t*)p_this;
408 sout_stream_sys_t *p_sys = p_stream->p_sys;
409 sout_access_out_t *p_access = p_sys->p_mux->p_access;
411 if( p_sys->p_session != NULL )
412 sout_AnnounceUnRegister( p_stream->p_sout, p_sys->p_session );
414 sout_MuxDelete( p_sys->p_mux );
415 sout_AccessOutDelete( p_access );
420 struct sout_stream_id_t
422 sout_input_t *p_input;
426 static sout_stream_id_t * Add( sout_stream_t *p_stream, es_format_t *p_fmt )
428 sout_stream_sys_t *p_sys = p_stream->p_sys;
429 sout_stream_id_t *id;
431 id = malloc( sizeof( sout_stream_id_t ) );
432 if( ( id->p_input = sout_MuxAddStream( p_sys->p_mux, p_fmt ) ) == NULL )
442 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
444 sout_stream_sys_t *p_sys = p_stream->p_sys;
446 sout_MuxDeleteStream( p_sys->p_mux, id->p_input );
453 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
456 sout_stream_sys_t *p_sys = p_stream->p_sys;
458 sout_MuxSendBuffer( p_sys->p_mux, id->p_input, p_buffer );