1 /*****************************************************************************
2 * rtp.c: rtp stream output module
3 *****************************************************************************
4 * Copyright (C) 2003-2004 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
32 #include <vlc/input.h>
35 #include "vlc_httpd.h"
38 /*****************************************************************************
40 *****************************************************************************/
41 #define DST_TEXT N_("Destination")
42 #define DST_LONGTEXT N_( \
43 "Allows you to specify the output URL used for the streaming output." )
44 #define SDP_TEXT N_("SDP")
45 #define SDP_LONGTEXT N_( \
46 "Allows you to specify the SDP used for the streaming output. " \
47 "You must use an url: http://location to access the SDP via HTTP, " \
48 "rtsp://location for RTSP access, and sap:// for the SDP to be " \
49 "announced via SAP." )
50 #define MUX_TEXT N_("Muxer")
51 #define MUX_LONGTEXT N_( \
52 "Allows you to specify the muxer used for the streaming output." )
54 #define NAME_TEXT N_("Session name")
55 #define NAME_LONGTEXT N_( \
56 "Allows you to specify the session name used for the streaming output." )
57 #define DESC_TEXT N_("Session description")
58 #define DESC_LONGTEXT N_( \
59 "Allows you to give a broader description of the stream." )
60 #define URL_TEXT N_("Session URL")
61 #define URL_LONGTEXT N_( \
62 "Allows you to specify a URL with additional information on the stream." )
63 #define EMAIL_TEXT N_("Session email")
64 #define EMAIL_LONGTEXT N_( \
65 "Allows you to specify contact e-mail address for this session." )
67 #define PORT_TEXT N_("Port")
68 #define PORT_LONGTEXT N_( \
69 "Allows you to specify the base port used for the RTP streaming." )
70 #define PORT_AUDIO_TEXT N_("Audio port")
71 #define PORT_AUDIO_LONGTEXT N_( \
72 "Allows you to specify the default audio port used for the RTP streaming." )
73 #define PORT_VIDEO_TEXT N_("Video port")
74 #define PORT_VIDEO_LONGTEXT N_( \
75 "Allows you to specify the default video port used for the RTP streaming." )
77 #define TTL_TEXT N_("Time To Live")
78 #define TTL_LONGTEXT N_( \
79 "Allows you to specify the time to live for the output stream." )
81 static int Open ( vlc_object_t * );
82 static void Close( vlc_object_t * );
84 #define SOUT_CFG_PREFIX "sout-rtp-"
87 set_shortname( _("RTP"));
88 set_description( _("RTP stream output") );
89 set_capability( "sout stream", 0 );
90 add_shortcut( "rtp" );
91 set_category( CAT_SOUT );
92 set_subcategory( SUBCAT_SOUT_STREAM );
94 add_string( SOUT_CFG_PREFIX "dst", "", NULL, DST_TEXT,
95 DST_LONGTEXT, VLC_TRUE );
96 add_string( SOUT_CFG_PREFIX "sdp", "", NULL, SDP_TEXT,
97 SDP_LONGTEXT, VLC_TRUE );
98 add_string( SOUT_CFG_PREFIX "mux", "", NULL, MUX_TEXT,
99 MUX_LONGTEXT, VLC_TRUE );
101 add_string( SOUT_CFG_PREFIX "name", "NONE", NULL, NAME_TEXT,
102 NAME_LONGTEXT, VLC_TRUE );
103 add_string( SOUT_CFG_PREFIX "description", "", NULL, DESC_TEXT,
104 DESC_LONGTEXT, VLC_TRUE );
105 add_string( SOUT_CFG_PREFIX "url", "", NULL, URL_TEXT,
106 URL_LONGTEXT, VLC_TRUE );
107 add_string( SOUT_CFG_PREFIX "email", "", NULL, EMAIL_TEXT,
108 EMAIL_LONGTEXT, VLC_TRUE );
110 add_integer( SOUT_CFG_PREFIX "port-audio", 1234, NULL, PORT_AUDIO_TEXT,
111 PORT_LONGTEXT, VLC_TRUE );
112 add_integer( SOUT_CFG_PREFIX "port-video", 1236, NULL, PORT_VIDEO_TEXT,
113 PORT_LONGTEXT, VLC_TRUE );
114 add_integer( SOUT_CFG_PREFIX "port", 1238, NULL, PORT_TEXT,
115 PORT_LONGTEXT, VLC_TRUE );
117 add_integer( SOUT_CFG_PREFIX "ttl", 0, NULL, TTL_TEXT,
118 TTL_LONGTEXT, VLC_TRUE );
120 set_callbacks( Open, Close );
123 /*****************************************************************************
124 * Exported prototypes
125 *****************************************************************************/
126 static const char *ppsz_sout_options[] = {
127 "dst", "name", "port", "port-audio", "port-video", "*sdp", "ttl", "mux",
128 "description", "url","email", NULL
131 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
132 static int Del ( sout_stream_t *, sout_stream_id_t * );
133 static int Send( sout_stream_t *, sout_stream_id_t *,
136 /* For unicast/interleaved streaming */
140 int64_t i_last; /* for timeout */
142 /* is it in "play" state */
143 vlc_bool_t b_playing;
145 /* output (id-access) */
147 sout_stream_id_t **id;
149 sout_access_out_t **access;
152 struct sout_stream_sys_t
158 vlc_mutex_t lock_sdp;
160 char *psz_session_name;
161 char *psz_session_description;
162 char *psz_session_url;
163 char *psz_session_email;
166 vlc_bool_t b_export_sdp_file;
169 vlc_bool_t b_export_sap;
170 session_descriptor_t *p_session;
172 httpd_host_t *p_httpd_host;
173 httpd_file_t *p_httpd_file;
175 httpd_host_t *p_rtsp_host;
176 httpd_url_t *p_rtsp_url;
177 char *psz_rtsp_control;
181 char *psz_destination;
187 /* when need to use a private one or when using muxer */
190 /* in case we do TS/PS over rtp */
192 sout_access_out_t *p_access;
194 sout_access_out_t *p_grab;
196 uint32_t i_timestamp_start;
203 sout_stream_id_t **es;
207 rtsp_client_t **rtsp;
210 typedef int (*pf_rtp_packetizer_t)( sout_stream_t *, sout_stream_id_t *,
213 struct sout_stream_id_t
215 sout_stream_t *p_stream;
217 uint8_t i_payload_type;
219 uint32_t i_timestamp_start;
226 char *psz_destination;
230 /* Packetizer specific fields */
231 pf_rtp_packetizer_t pf_packetize;
234 /* for sending the packets */
235 sout_access_out_t *p_access;
237 vlc_mutex_t lock_rtsp;
239 sout_access_out_t **rtsp_access;
242 sout_input_t *p_input;
244 /* RTSP url control */
245 httpd_url_t *p_rtsp_url;
248 static int AccessOutGrabberWrite( sout_access_out_t *, block_t * );
250 static void SDPHandleUrl( sout_stream_t *, char * );
252 static int SapSetup( sout_stream_t *p_stream );
253 static int FileSetup( sout_stream_t *p_stream );
254 static int HttpSetup( sout_stream_t *p_stream, vlc_url_t * );
255 static int RtspSetup( sout_stream_t *p_stream, vlc_url_t * );
257 static int RtspCallback( httpd_callback_sys_t *, httpd_client_t *,
258 httpd_message_t *, httpd_message_t * );
259 static int RtspCallbackId( httpd_callback_sys_t *, httpd_client_t *,
260 httpd_message_t *, httpd_message_t * );
263 static rtsp_client_t *RtspClientNew( sout_stream_t *, char *psz_session );
264 static rtsp_client_t *RtspClientGet( sout_stream_t *, char *psz_session );
265 static void RtspClientDel( sout_stream_t *, rtsp_client_t * );
267 /*****************************************************************************
269 *****************************************************************************/
270 static int Open( vlc_object_t *p_this )
272 sout_stream_t *p_stream = (sout_stream_t*)p_this;
273 sout_instance_t *p_sout = p_stream->p_sout;
274 sout_stream_sys_t *p_sys;
277 sout_CfgParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options, p_stream->p_cfg );
279 p_sys = malloc( sizeof( sout_stream_sys_t ) );
281 p_sys->psz_destination = var_GetString( p_stream, SOUT_CFG_PREFIX "dst" );
282 if( *p_sys->psz_destination == '\0' )
284 free( p_sys->psz_destination );
285 p_sys->psz_destination = NULL;
288 p_sys->psz_session_name = var_GetString( p_stream, SOUT_CFG_PREFIX "name" );
289 p_sys->psz_session_description = var_GetString( p_stream, SOUT_CFG_PREFIX "description" );
290 p_sys->psz_session_url = var_GetString( p_stream, SOUT_CFG_PREFIX "url" );
291 p_sys->psz_session_email = var_GetString( p_stream, SOUT_CFG_PREFIX "email" );
293 p_sys->i_port = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port" );
294 p_sys->i_port_audio = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port-audio" );
295 p_sys->i_port_video = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port-video" );
297 p_sys->psz_sdp_file = NULL;
299 if( p_sys->i_port_audio == p_sys->i_port_video )
301 msg_Err( p_stream, "audio and video port cannot be the same" );
302 p_sys->i_port_audio = 0;
303 p_sys->i_port_video = 0;
306 if( !p_sys->psz_session_name )
308 if( p_sys->psz_destination )
309 p_sys->psz_session_name = strdup( p_sys->psz_destination );
311 p_sys->psz_session_name = strdup( "NONE" );
314 if( !p_sys->psz_destination || *p_sys->psz_destination == '\0' )
317 vlc_bool_t b_ok = VLC_FALSE;
319 for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
321 if( !strcmp( p_cfg->psz_name, "sdp" ) )
323 if( p_cfg->psz_value && !strncasecmp( p_cfg->psz_value, "rtsp", 4 ) )
333 var_Get( p_stream, SOUT_CFG_PREFIX "sdp", &val2 );
334 if( !strncasecmp( val2.psz_string, "rtsp", 4 ) )
336 free( val2.psz_string );
341 msg_Err( p_stream, "missing destination and not in rtsp mode" );
345 p_sys->psz_destination = NULL;
347 else if( p_sys->i_port <= 0 )
349 msg_Err( p_stream, "invalid port" );
354 var_Get( p_stream, SOUT_CFG_PREFIX "ttl", &val );
355 if( ( val.i_int > 255 ) || ( val.i_int < 0 ) )
357 msg_Err( p_stream, "illegal TTL %d", val.i_int );
361 p_sys->i_ttl = val.i_int;
363 p_sys->i_payload_type = 96;
368 p_sys->psz_sdp = NULL;
370 p_sys->i_sdp_id = mdate();
371 p_sys->i_sdp_version = 1;
372 p_sys->psz_sdp = NULL;
374 p_sys->b_export_sap = VLC_FALSE;
375 p_sys->b_export_sdp_file = VLC_FALSE;
376 p_sys->p_session = NULL;
378 p_sys->p_httpd_host = NULL;
379 p_sys->p_httpd_file = NULL;
380 p_sys->p_rtsp_host = NULL;
381 p_sys->p_rtsp_url = NULL;
382 p_sys->psz_rtsp_control = NULL;
383 p_sys->psz_rtsp_path = NULL;
385 vlc_mutex_init( p_stream, &p_sys->lock_sdp );
386 vlc_mutex_init( p_stream, &p_sys->lock_es );
388 p_stream->pf_add = Add;
389 p_stream->pf_del = Del;
390 p_stream->pf_send = Send;
392 p_stream->p_sys = p_sys;
394 var_Get( p_stream, SOUT_CFG_PREFIX "mux", &val );
395 if( *val.psz_string )
397 sout_access_out_t *p_grab;
402 char url[p_sys->psz_destination ? strlen( p_sys->psz_destination ) + 1 + 12+1 : 14];
404 /* Check muxer type */
405 if( !strncasecmp( val.psz_string, "ps", 2 ) || !strncasecmp( val.psz_string, "mpeg1", 5 ) )
407 psz_rtpmap = "MP2P/90000";
409 else if( !strncasecmp( val.psz_string, "ts", 2 ) )
411 psz_rtpmap = "MP2T/90000";
412 p_sys->i_payload_type = 33;
416 msg_Err( p_stream, "unsupported muxer type with rtp (only ts/ps)" );
420 /* create the access out */
421 if( p_sys->i_ttl > 0 )
423 sprintf( access, "udp{raw,ttl=%d}", p_sys->i_ttl );
427 sprintf( access, "udp{raw}" );
429 if( p_sys->psz_destination != NULL )
430 sprintf( url, "%s:%d", p_sys->psz_destination, p_sys->i_port );
432 sprintf( url, ":%d", p_sys->i_port );
434 if( !( p_sys->p_access = sout_AccessOutNew( p_sout, access, url ) ) )
436 msg_Err( p_stream, "cannot create the access out for %s://%s",
441 p_sys->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beurk */
442 if( p_sys->i_mtu <= 16 )
444 /* better than nothing */
448 /* the access out grabber TODO export it as sout_AccessOutGrabberNew */
449 p_grab = p_sys->p_grab =
450 vlc_object_create( p_sout, sizeof( sout_access_out_t ) );
451 p_grab->p_module = NULL;
452 p_grab->p_sout = p_sout;
453 p_grab->psz_access = strdup( "grab" );
454 p_grab->p_cfg = NULL;
455 p_grab->psz_name = strdup( "" );
456 p_grab->p_sys = (sout_access_out_sys_t*)p_stream;
457 p_grab->pf_seek = NULL;
458 p_grab->pf_write = AccessOutGrabberWrite;
461 if( !( p_sys->p_mux = sout_MuxNew( p_sout, val.psz_string, p_sys->p_grab ) ) )
463 msg_Err( p_stream, "cannot create the muxer (%s)", val.psz_string );
464 sout_AccessOutDelete( p_sys->p_grab );
465 sout_AccessOutDelete( p_sys->p_access );
470 /* create the SDP for a muxed stream (only once) */
471 /* FIXME http://www.faqs.org/rfcs/rfc2327.html
472 All text fields should be UTF-8 encoded. Use global a:charset to announce this.
473 o= - should be local username (no spaces allowed)
474 o= time should be hashed with some other value to garantue uniqueness
475 o= we need IP6 support?
476 o= don't use the localhost address. use fully qualified domain name or IP4 address
477 p= international phone number (pass via vars?)
479 a= recvonly (missing)
480 a= type:broadcast (missing)
481 a= charset: (normally charset should be UTF-8, this can be used to override s= and i=)
482 a= x-plgroup: (missing)
483 RTP packets need to get the correct src IP address */
485 malloc( 10 + 30 + 10 + strlen( p_sys->psz_session_name ) +
486 10 + strlen( p_sys->psz_session_description ) + 10 + strlen( p_sys->psz_session_url ) +
487 10 + strlen( p_sys->psz_session_email ) + 10 + strlen( p_sys->psz_destination ) +
488 10 + 10 + strlen( PACKAGE_STRING ) +
489 20 + 10 + 20 + 10 + strlen( psz_rtpmap ) );
491 if( net_AddressIsMulticast( (vlc_object_t *)p_stream, p_sys->psz_destination ) )
493 snprintf( psz_ttl, sizeof( psz_ttl ), "/%d", p_sys->i_ttl );
494 psz_ttl[sizeof( psz_ttl ) - 1] = '\0';
501 sprintf( p_sys->psz_sdp,
503 "o=- "I64Fd" %d IN IP4 127.0.0.1\r\n"
508 "t=0 0\r\n" /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
509 "a=tool:"PACKAGE_STRING"\r\n"
511 "m=video %d RTP/AVP %d\r\n"
512 "a=rtpmap:%d %s\r\n",
513 p_sys->i_sdp_id, p_sys->i_sdp_version,
514 p_sys->psz_session_name,
515 p_sys->psz_session_description,
516 p_sys->psz_session_url,
517 p_sys->psz_session_email,
518 p_sys->psz_destination, psz_ttl,
519 p_sys->i_port, p_sys->i_payload_type,
520 p_sys->i_payload_type, psz_rtpmap );
521 fprintf( stderr, "sdp=%s", p_sys->psz_sdp );
523 /* create the rtp context */
524 p_sys->ssrc[0] = rand()&0xff;
525 p_sys->ssrc[1] = rand()&0xff;
526 p_sys->ssrc[2] = rand()&0xff;
527 p_sys->ssrc[3] = rand()&0xff;
528 p_sys->i_sequence = rand()&0xffff;
529 p_sys->i_timestamp_start = rand()&0xffffffff;
530 p_sys->packet = NULL;
535 p_sys->p_access = NULL;
536 p_sys->p_grab = NULL;
538 free( val.psz_string );
541 var_Get( p_stream, SOUT_CFG_PREFIX "sdp", &val );
542 if( *val.psz_string )
546 SDPHandleUrl( p_stream, val.psz_string );
548 for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
550 if( !strcmp( p_cfg->psz_name, "sdp" ) )
552 if( p_cfg->psz_value == NULL || *p_cfg->psz_value == '\0' )
555 if( !strcmp( p_cfg->psz_value, val.psz_string ) ) /* needed both :sout-rtp-sdp= and rtp{sdp=} can be used */
558 SDPHandleUrl( p_stream, p_cfg->psz_value );
562 free( val.psz_string );
564 /* update p_sout->i_out_pace_nocontrol */
565 p_stream->p_sout->i_out_pace_nocontrol++;
570 /*****************************************************************************
572 *****************************************************************************/
573 static void Close( vlc_object_t * p_this )
575 sout_stream_t *p_stream = (sout_stream_t*)p_this;
576 sout_stream_sys_t *p_sys = p_stream->p_sys;
578 /* update p_sout->i_out_pace_nocontrol */
579 p_stream->p_sout->i_out_pace_nocontrol--;
583 sout_MuxDelete( p_sys->p_mux );
584 sout_AccessOutDelete( p_sys->p_access );
585 sout_AccessOutDelete( p_sys->p_grab );
588 block_Release( p_sys->packet );
592 while( p_sys->i_rtsp > 0 )
594 RtspClientDel( p_stream, p_sys->rtsp[0] );
597 vlc_mutex_destroy( &p_sys->lock_sdp );
599 if( p_sys->p_httpd_file )
601 httpd_FileDelete( p_sys->p_httpd_file );
603 if( p_sys->p_httpd_host )
605 httpd_HostDelete( p_sys->p_httpd_host );
607 if( p_sys->p_rtsp_url )
609 httpd_UrlDelete( p_sys->p_rtsp_url );
611 if( p_sys->p_rtsp_host )
613 httpd_HostDelete( p_sys->p_rtsp_host );
616 /* why? is this disabled? */
617 if( p_sys->psz_session_name )
619 free( p_sys->psz_session_name );
620 p_sys->psz_session_name = NULL;
622 if( p_sys->psz_session_description )
624 free( p_sys->psz_session_description );
625 p_sys->psz_session_description = NULL;
627 if( p_sys->psz_session_url )
629 free( p_sys->psz_session_url );
630 p_sys->psz_session_url = NULL;
632 if( p_sys->psz_session_email )
634 free( p_sys->psz_session_email );
635 p_sys->psz_session_email = NULL;
640 free( p_sys->psz_sdp );
645 /*****************************************************************************
647 *****************************************************************************/
648 static void SDPHandleUrl( sout_stream_t *p_stream, char *psz_url )
650 sout_stream_sys_t *p_sys = p_stream->p_sys;
653 vlc_UrlParse( &url, psz_url, 0 );
654 if( url.psz_protocol && !strcasecmp( url.psz_protocol, "http" ) )
656 if( p_sys->p_httpd_file )
658 msg_Err( p_stream, "You can used sdp=http:// only once" );
662 if( HttpSetup( p_stream, &url ) )
664 msg_Err( p_stream, "cannot export sdp as http" );
667 else if( url.psz_protocol && !strcasecmp( url.psz_protocol, "rtsp" ) )
669 if( p_sys->p_rtsp_url )
671 msg_Err( p_stream, "You can used sdp=rtsp:// only once" );
675 /* FIXME test if destination is multicast or no destination at all FIXME */
676 if( RtspSetup( p_stream, &url ) )
678 msg_Err( p_stream, "cannot export sdp as rtsp" );
681 else if( ( url.psz_protocol && !strcasecmp( url.psz_protocol, "sap" ) ) ||
682 ( url.psz_host && !strcasecmp( url.psz_host, "sap" ) ) )
684 p_sys->b_export_sap = VLC_TRUE;
685 SapSetup( p_stream );
687 else if( url.psz_protocol && !strcasecmp( url.psz_protocol, "file" ) )
689 if( p_sys->b_export_sdp_file )
691 msg_Err( p_stream, "You can used sdp=file:// only once" );
694 p_sys->b_export_sdp_file = VLC_TRUE;
695 psz_url = &psz_url[5];
696 if( psz_url[0] == '/' && psz_url[1] == '/' )
698 p_sys->psz_sdp_file = strdup( psz_url );
702 msg_Warn( p_stream, "unknown protocol for SDP (%s)",
705 vlc_UrlClean( &url );
708 /*****************************************************************************
710 *****************************************************************************/
711 /* FIXME http://www.faqs.org/rfcs/rfc2327.html
712 All text fields should be UTF-8 encoded. Use global a:charset to announce this.
713 o= - should be local username (no spaces allowed)
714 o= time should be hashed with some other value to garantue uniqueness
715 o= we need IP6 support?
716 o= don't use the localhost address. use fully qualified domain name or IP4 address
717 p= international phone number (pass via vars?)
719 a= recvonly (missing)
720 a= type:broadcast (missing)
721 a= charset: (normally charset should be UTF-8, this can be used to override s= and i=)
722 a= x-plgroup: (missing)
723 RTP packets need to get the correct src IP address */
724 static char *SDPGenerate( sout_stream_t *p_stream, char *psz_destination, vlc_bool_t b_rtsp )
726 sout_stream_sys_t *p_sys = p_stream->p_sys;
731 i_size = strlen( "v=0\r\n" ) +
732 strlen( "o=- * * IN IP4 127.0.0.1\r\n" ) + 10 + 10 +
733 strlen( "s=*\r\n" ) + strlen( p_sys->psz_session_name ) +
734 strlen( "i=*\r\n" ) + strlen( p_sys->psz_session_description ) +
735 strlen( "u=*\r\n" ) + strlen( p_sys->psz_session_url ) +
736 strlen( "e=*\r\n" ) + strlen( p_sys->psz_session_email ) +
737 strlen( "t=0 0\r\n" ) + /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
738 strlen( "a=tool:"PACKAGE_STRING"\r\n" ) +
739 strlen( "c=IN IP4 */*\r\n" ) + 20 + 10 +
740 strlen( psz_destination ? psz_destination : "0.0.0.0") ;
741 for( i = 0; i < p_sys->i_es; i++ )
743 sout_stream_id_t *id = p_sys->es[i];
745 i_size += strlen( "m=**d*o * RTP/AVP *\r\n" ) + 10 + 10;
748 i_size += strlen( "a=rtpmap:* *\r\n" ) + strlen( id->psz_rtpmap )+10;
752 i_size += strlen( "a=fmtp:* *\r\n" ) + strlen( id->psz_fmtp ) + 10;
756 i_size += strlen( "a=control:*/trackid=*\r\n" ) + strlen( p_sys->psz_rtsp_control ) + 10;
760 p = psz_sdp = malloc( i_size );
761 p += sprintf( p, "v=0\r\n" );
762 p += sprintf( p, "o=- "I64Fd" %d IN IP4 127.0.0.1\r\n",
763 p_sys->i_sdp_id, p_sys->i_sdp_version );
764 if( *p_sys->psz_session_name )
765 p += sprintf( p, "s=%s\r\n", p_sys->psz_session_name );
766 if( *p_sys->psz_session_description )
767 p += sprintf( p, "i=%s\r\n", p_sys->psz_session_description );
768 if( *p_sys->psz_session_url )
769 p += sprintf( p, "u=%s\r\n", p_sys->psz_session_url );
770 if( *p_sys->psz_session_email )
771 p += sprintf( p, "e=%s\r\n", p_sys->psz_session_email );
773 p += sprintf( p, "t=0 0\r\n" ); /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
774 p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" );
776 p += sprintf( p, "c=IN IP4 %s", psz_destination ? psz_destination : "0.0.0.0" );
778 if( net_AddressIsMulticast( (vlc_object_t *)p_stream, psz_destination ? psz_destination : "0.0.0.0" ) )
780 /* Add the ttl if it is a multicast address */
781 p += sprintf( p, "/%d\r\n", p_sys->i_ttl );
785 p += sprintf( p, "\r\n" );
788 for( i = 0; i < p_sys->i_es; i++ )
790 sout_stream_id_t *id = p_sys->es[i];
792 if( id->i_cat == AUDIO_ES )
794 p += sprintf( p, "m=audio %d RTP/AVP %d\r\n",
795 id->i_port, id->i_payload_type );
797 else if( id->i_cat == VIDEO_ES )
799 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
800 id->i_port, id->i_payload_type );
808 p += sprintf( p, "a=rtpmap:%d %s\r\n", id->i_payload_type,
813 p += sprintf( p, "a=fmtp:%d %s\r\n", id->i_payload_type,
818 p += sprintf( p, "a=control:%s/trackid=%d\r\n", p_sys->psz_rtsp_control, i );
825 /*****************************************************************************
827 *****************************************************************************/
828 static int rtp_packetize_l16 ( sout_stream_t *, sout_stream_id_t *, block_t * );
829 static int rtp_packetize_l8 ( sout_stream_t *, sout_stream_id_t *, block_t * );
830 static int rtp_packetize_mpa ( sout_stream_t *, sout_stream_id_t *, block_t * );
831 static int rtp_packetize_mpv ( sout_stream_t *, sout_stream_id_t *, block_t * );
832 static int rtp_packetize_ac3 ( sout_stream_t *, sout_stream_id_t *, block_t * );
833 static int rtp_packetize_split( sout_stream_t *, sout_stream_id_t *, block_t * );
834 static int rtp_packetize_mp4a ( sout_stream_t *, sout_stream_id_t *, block_t * );
835 static int rtp_packetize_h263 ( sout_stream_t *, sout_stream_id_t *, block_t * );
836 static int rtp_packetize_amr ( sout_stream_t *, sout_stream_id_t *, block_t * );
838 static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
840 static const char hex[16] = "0123456789abcdef";
843 for( i = 0; i < i_data; i++ )
845 s[2*i+0] = hex[(p_data[i]>>4)&0xf];
846 s[2*i+1] = hex[(p_data[i] )&0xf];
851 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
853 sout_instance_t *p_sout = p_stream->p_sout;
854 sout_stream_sys_t *p_sys = p_stream->p_sys;
855 sout_stream_id_t *id;
856 sout_access_out_t *p_access = NULL;
860 if( p_sys->p_mux != NULL )
862 sout_input_t *p_input = NULL;
863 if( ( p_input = sout_MuxAddStream( p_sys->p_mux, p_fmt ) ) == NULL )
865 msg_Err( p_stream, "cannot add this stream to the muxer" );
869 id = malloc( sizeof( sout_stream_id_t ) );
870 memset( id, 0, sizeof( sout_stream_id_t ) );
872 id->p_input = p_input;
873 id->pf_packetize= NULL;
874 id->p_rtsp_url = NULL;
880 /* Choose the port */
882 if( p_fmt->i_cat == AUDIO_ES && p_sys->i_port_audio > 0 )
884 i_port = p_sys->i_port_audio;
885 p_sys->i_port_audio = 0;
887 else if( p_fmt->i_cat == VIDEO_ES && p_sys->i_port_video > 0 )
889 i_port = p_sys->i_port_video;
890 p_sys->i_port_video = 0;
894 if( p_sys->i_port != p_sys->i_port_audio && p_sys->i_port != p_sys->i_port_video )
896 i_port = p_sys->i_port;
903 if( p_sys->psz_destination )
906 char url[strlen( p_sys->psz_destination ) + 1 + 12 + 1];
908 /* first try to create the access out */
909 if( p_sys->i_ttl > 0 )
911 sprintf( access, "udp{raw,ttl=%d}", p_sys->i_ttl );
915 sprintf( access, "udp{raw}" );
917 sprintf( url, "%s:%d", p_sys->psz_destination, i_port );
918 if( ( p_access = sout_AccessOutNew( p_sout, access, url ) ) == NULL )
920 msg_Err( p_stream, "cannot create the access out for %s://%s",
924 msg_Dbg( p_stream, "access out %s:%s", access, url );
927 /* not create the rtp specific stuff */
928 id = malloc( sizeof( sout_stream_id_t ) );
929 memset( id, 0, sizeof( sout_stream_id_t ) );
930 id->p_stream = p_stream;
931 id->p_access = p_access;
933 id->psz_rtpmap = NULL;
935 id->psz_destination = p_sys->psz_destination ? strdup( p_sys->psz_destination ) : NULL;
937 id->p_rtsp_url = NULL;
938 vlc_mutex_init( p_stream, &id->lock_rtsp );
939 id->i_rtsp_access = 0;
940 id->rtsp_access = NULL;
942 switch( p_fmt->i_codec )
944 case VLC_FOURCC( 's', '1', '6', 'b' ):
945 if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
947 id->i_payload_type = 11;
949 else if( p_fmt->audio.i_channels == 2 &&
950 p_fmt->audio.i_rate == 44100 )
952 id->i_payload_type = 10;
956 id->i_payload_type = p_sys->i_payload_type++;
958 id->psz_rtpmap = malloc( strlen( "L16/*/*" ) + 20+1 );
959 sprintf( id->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
960 p_fmt->audio.i_channels );
961 id->i_clock_rate = p_fmt->audio.i_rate;
962 id->pf_packetize = rtp_packetize_l16;
964 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
965 id->i_payload_type = p_sys->i_payload_type++;
966 id->psz_rtpmap = malloc( strlen( "L8/*/*" ) + 20+1 );
967 sprintf( id->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
968 p_fmt->audio.i_channels );
969 id->i_clock_rate = p_fmt->audio.i_rate;
970 id->pf_packetize = rtp_packetize_l8;
972 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
973 id->i_payload_type = 14;
974 id->i_clock_rate = 90000;
975 id->psz_rtpmap = strdup( "MPA/90000" );
976 id->pf_packetize = rtp_packetize_mpa;
978 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
979 id->i_payload_type = 32;
980 id->i_clock_rate = 90000;
981 id->psz_rtpmap = strdup( "MPV/90000" );
982 id->pf_packetize = rtp_packetize_mpv;
984 case VLC_FOURCC( 'a', '5', '2', ' ' ):
985 id->i_payload_type = p_sys->i_payload_type++;
986 id->i_clock_rate = 90000;
987 id->psz_rtpmap = strdup( "ac3/90000" );
988 id->pf_packetize = rtp_packetize_ac3;
990 case VLC_FOURCC( 'H', '2', '6', '3' ):
991 id->i_payload_type = p_sys->i_payload_type++;
992 id->i_clock_rate = 90000;
993 id->psz_rtpmap = strdup( "H263-1998/90000" );
994 id->pf_packetize = rtp_packetize_h263;
997 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
999 char hexa[2*p_fmt->i_extra +1];
1001 id->i_payload_type = p_sys->i_payload_type++;
1002 id->i_clock_rate = 90000;
1003 id->psz_rtpmap = strdup( "MP4V-ES/90000" );
1004 id->pf_packetize = rtp_packetize_split;
1005 if( p_fmt->i_extra > 0 )
1007 id->psz_fmtp = malloc( 100 + 2 * p_fmt->i_extra );
1008 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
1009 sprintf( id->psz_fmtp,
1010 "profile-level-id=3; config=%s;", hexa );
1014 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
1016 char hexa[2*p_fmt->i_extra +1];
1018 id->i_payload_type = p_sys->i_payload_type++;
1019 id->i_clock_rate = p_fmt->audio.i_rate;
1020 id->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
1021 sprintf( id->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
1022 id->pf_packetize = rtp_packetize_mp4a;
1023 id->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
1024 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
1025 sprintf( id->psz_fmtp,
1026 "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
1027 "config=%s; SizeLength=13;IndexLength=3; "
1028 "IndexDeltaLength=3; Profile=1;", hexa );
1031 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
1032 id->i_payload_type = p_sys->i_payload_type++;
1033 id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
1034 "AMR/8000/2" : "AMR/8000" );
1035 id->psz_fmtp = strdup( "octet-align=1" );
1036 id->i_clock_rate = p_fmt->audio.i_rate;
1037 id->pf_packetize = rtp_packetize_amr;
1039 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
1040 id->i_payload_type = p_sys->i_payload_type++;
1041 id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
1042 "AMR-WB/16000/2" : "AMR-WB/16000" );
1043 id->psz_fmtp = strdup( "octet-align=1" );
1044 id->i_clock_rate = p_fmt->audio.i_rate;
1045 id->pf_packetize = rtp_packetize_amr;
1049 msg_Err( p_stream, "cannot add this stream (unsupported "
1050 "codec:%4.4s)", (char*)&p_fmt->i_codec );
1053 sout_AccessOutDelete( p_access );
1058 id->i_cat = p_fmt->i_cat;
1060 id->ssrc[0] = rand()&0xff;
1061 id->ssrc[1] = rand()&0xff;
1062 id->ssrc[2] = rand()&0xff;
1063 id->ssrc[3] = rand()&0xff;
1064 id->i_sequence = rand()&0xffff;
1065 id->i_timestamp_start = rand()&0xffffffff;
1067 id->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beuk */
1068 if( id->i_mtu <= 16 )
1070 /* better than nothing */
1073 msg_Dbg( p_stream, "using mtu=%d", id->i_mtu );
1075 if( p_sys->p_rtsp_url )
1077 char psz_urlc[strlen( p_sys->psz_rtsp_control ) + 1 + 10];
1079 sprintf( psz_urlc, "%s/trackid=%d", p_sys->psz_rtsp_path, p_sys->i_es );
1080 fprintf( stderr, "rtsp: adding %s\n", psz_urlc );
1081 id->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, psz_urlc, NULL, NULL, NULL );
1083 if( id->p_rtsp_url )
1085 httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_SETUP, RtspCallbackId, (void*)id );
1086 //httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
1087 //httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
1092 /* Update p_sys context */
1093 vlc_mutex_lock( &p_sys->lock_es );
1094 TAB_APPEND( p_sys->i_es, p_sys->es, id );
1095 vlc_mutex_unlock( &p_sys->lock_es );
1097 psz_sdp = SDPGenerate( p_stream, p_sys->psz_destination, VLC_FALSE );
1099 vlc_mutex_lock( &p_sys->lock_sdp );
1100 free( p_sys->psz_sdp );
1101 p_sys->psz_sdp = psz_sdp;
1102 vlc_mutex_unlock( &p_sys->lock_sdp );
1104 p_sys->i_sdp_version++;
1106 fprintf( stderr, "sdp=%s", p_sys->psz_sdp );
1108 /* Update SDP (sap/file) */
1109 if( p_sys->b_export_sap ) SapSetup( p_stream );
1110 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
1115 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
1117 sout_stream_sys_t *p_sys = p_stream->p_sys;
1119 vlc_mutex_lock( &p_sys->lock_es );
1120 TAB_REMOVE( p_sys->i_es, p_sys->es, id );
1121 vlc_mutex_unlock( &p_sys->lock_es );
1124 if( id->i_port > 0 )
1126 if( id->i_cat == AUDIO_ES && p_sys->i_port_audio == 0 )
1127 p_sys->i_port_audio = id->i_port;
1128 else if( id->i_cat == VIDEO_ES && p_sys->i_port_video == 0 )
1129 p_sys->i_port_video = id->i_port;
1134 if( id->psz_rtpmap )
1136 free( id->psz_rtpmap );
1140 free( id->psz_fmtp );
1142 if( id->psz_destination )
1143 free( id->psz_destination );
1144 sout_AccessOutDelete( id->p_access );
1146 else if( id->p_input )
1148 sout_MuxDeleteStream( p_sys->p_mux, id->p_input );
1150 if( id->p_rtsp_url )
1152 httpd_UrlDelete( id->p_rtsp_url );
1154 vlc_mutex_destroy( &id->lock_rtsp );
1155 if( id->rtsp_access ) free( id->rtsp_access );
1157 /* Update SDP (sap/file) */
1158 if( p_sys->b_export_sap ) SapSetup( p_stream );
1159 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
1165 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
1170 if( p_stream->p_sys->p_mux )
1172 sout_MuxSendBuffer( p_stream->p_sys->p_mux, id->p_input, p_buffer );
1178 p_next = p_buffer->p_next;
1179 if( id->pf_packetize( p_stream, id, p_buffer ) )
1183 block_Release( p_buffer );
1191 static int AccessOutGrabberWriteBuffer( sout_stream_t *p_stream,
1194 sout_stream_sys_t *p_sys = p_stream->p_sys;
1196 int64_t i_dts = p_buffer->i_dts;
1197 uint32_t i_timestamp = i_dts * 9 / 100;
1199 uint8_t *p_data = p_buffer->p_buffer;
1200 unsigned int i_data = p_buffer->i_buffer;
1201 unsigned int i_max = p_sys->i_mtu - 12;
1203 int i_packet = ( p_buffer->i_buffer + i_max - 1 ) / i_max;
1207 unsigned int i_size;
1209 /* output complete packet */
1210 if( p_sys->packet &&
1211 p_sys->packet->i_buffer + i_data > i_max )
1213 sout_AccessOutWrite( p_sys->p_access, p_sys->packet );
1214 p_sys->packet = NULL;
1217 if( p_sys->packet == NULL )
1219 /* allocate a new packet */
1220 p_sys->packet = block_New( p_stream, p_sys->i_mtu );
1221 p_sys->packet->p_buffer[ 0] = 0x80;
1222 p_sys->packet->p_buffer[ 1] = 0x80|p_sys->i_payload_type;
1223 p_sys->packet->p_buffer[ 2] = ( p_sys->i_sequence >> 8)&0xff;
1224 p_sys->packet->p_buffer[ 3] = ( p_sys->i_sequence )&0xff;
1225 p_sys->packet->p_buffer[ 4] = ( i_timestamp >> 24 )&0xff;
1226 p_sys->packet->p_buffer[ 5] = ( i_timestamp >> 16 )&0xff;
1227 p_sys->packet->p_buffer[ 6] = ( i_timestamp >> 8 )&0xff;
1228 p_sys->packet->p_buffer[ 7] = ( i_timestamp )&0xff;
1229 p_sys->packet->p_buffer[ 8] = p_sys->ssrc[0];
1230 p_sys->packet->p_buffer[ 9] = p_sys->ssrc[1];
1231 p_sys->packet->p_buffer[10] = p_sys->ssrc[2];
1232 p_sys->packet->p_buffer[11] = p_sys->ssrc[3];
1233 p_sys->packet->i_buffer = 12;
1235 p_sys->packet->i_dts = i_dts;
1236 p_sys->packet->i_length = p_buffer->i_length / i_packet;
1237 i_dts += p_sys->packet->i_length;
1239 p_sys->i_sequence++;
1242 i_size = __MIN( i_data, p_sys->i_mtu - p_sys->packet->i_buffer );
1244 memcpy( &p_sys->packet->p_buffer[p_sys->packet->i_buffer],
1247 p_sys->packet->i_buffer += i_size;
1255 static int AccessOutGrabberWrite( sout_access_out_t *p_access,
1258 sout_stream_t *p_stream = (sout_stream_t*)p_access->p_sys;
1260 //fprintf( stderr, "received buffer size=%d\n", p_buffer->i_buffer );
1266 AccessOutGrabberWriteBuffer( p_stream, p_buffer );
1268 p_next = p_buffer->p_next;
1269 block_Release( p_buffer );
1276 /****************************************************************************
1278 ****************************************************************************/
1279 static int SapSetup( sout_stream_t *p_stream )
1281 sout_stream_sys_t *p_sys = p_stream->p_sys;
1282 sout_instance_t *p_sout = p_stream->p_sout;
1283 announce_method_t *p_method = sout_AnnounceMethodCreate( METHOD_TYPE_SAP );
1285 /* Remove the previous session */
1286 if( p_sys->p_session != NULL)
1288 sout_AnnounceUnRegister( p_sout, p_sys->p_session);
1289 sout_AnnounceSessionDestroy( p_sys->p_session );
1290 p_sys->p_session = NULL;
1293 if( ( p_sys->i_es > 0 || p_sys->p_mux ) && p_sys->psz_sdp && *p_sys->psz_sdp )
1295 p_sys->p_session = sout_AnnounceRegisterSDP( p_sout, p_sys->psz_sdp,
1303 /****************************************************************************
1305 ****************************************************************************/
1306 static int FileSetup( sout_stream_t *p_stream )
1308 sout_stream_sys_t *p_sys = p_stream->p_sys;
1311 if( ( f = fopen( p_sys->psz_sdp_file, "wt" ) ) == NULL )
1313 msg_Err( p_stream, "cannot open file '%s' (%s)",
1314 p_sys->psz_sdp_file, strerror(errno) );
1315 return VLC_EGENERIC;
1318 fprintf( f, "%s", p_sys->psz_sdp );
1324 /****************************************************************************
1326 ****************************************************************************/
1327 static int HttpCallback( httpd_file_sys_t *p_args,
1328 httpd_file_t *, uint8_t *p_request,
1329 uint8_t **pp_data, int *pi_data );
1331 static int HttpSetup( sout_stream_t *p_stream, vlc_url_t *url)
1333 sout_stream_sys_t *p_sys = p_stream->p_sys;
1335 p_sys->p_httpd_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port );
1336 if( p_sys->p_httpd_host )
1338 p_sys->p_httpd_file = httpd_FileNew( p_sys->p_httpd_host,
1339 url->psz_path ? url->psz_path : "/",
1342 HttpCallback, (void*)p_sys );
1344 if( p_sys->p_httpd_file == NULL )
1346 return VLC_EGENERIC;
1351 static int HttpCallback( httpd_file_sys_t *p_args,
1352 httpd_file_t *f, uint8_t *p_request,
1353 uint8_t **pp_data, int *pi_data )
1355 sout_stream_sys_t *p_sys = (sout_stream_sys_t*)p_args;
1357 vlc_mutex_lock( &p_sys->lock_sdp );
1358 if( p_sys->psz_sdp && *p_sys->psz_sdp )
1360 *pi_data = strlen( p_sys->psz_sdp );
1361 *pp_data = malloc( *pi_data );
1362 memcpy( *pp_data, p_sys->psz_sdp, *pi_data );
1369 vlc_mutex_unlock( &p_sys->lock_sdp );
1374 /****************************************************************************
1376 ****************************************************************************/
1377 static rtsp_client_t *RtspClientNew( sout_stream_t *p_stream, char *psz_session )
1379 rtsp_client_t *rtsp = malloc( sizeof( rtsp_client_t ));
1381 rtsp->psz_session = psz_session;
1383 rtsp->b_playing = VLC_FALSE;
1387 rtsp->access = NULL;
1389 TAB_APPEND( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
1393 static rtsp_client_t *RtspClientGet( sout_stream_t *p_stream, char *psz_session )
1396 for( i = 0; i < p_stream->p_sys->i_rtsp; i++ )
1398 if( !strcmp( p_stream->p_sys->rtsp[i]->psz_session, psz_session ) )
1400 return p_stream->p_sys->rtsp[i];
1406 static void RtspClientDel( sout_stream_t *p_stream, rtsp_client_t *rtsp )
1409 TAB_REMOVE( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
1411 for( i = 0; i < rtsp->i_access; i++ )
1413 sout_AccessOutDelete( rtsp->access[i] );
1415 if( rtsp->id ) free( rtsp->id );
1416 if( rtsp->access ) free( rtsp->access );
1418 free( rtsp->psz_session );
1422 static int RtspSetup( sout_stream_t *p_stream, vlc_url_t *url )
1424 sout_stream_sys_t *p_sys = p_stream->p_sys;
1426 fprintf( stderr, "rtsp setup: %s : %d / %s\n", url->psz_host, url->i_port, url->psz_path );
1428 p_sys->p_rtsp_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 554 );
1429 if( p_sys->p_rtsp_host == NULL )
1431 return VLC_EGENERIC;
1434 p_sys->psz_rtsp_path = strdup( url->psz_path ? url->psz_path : "/" );
1435 p_sys->psz_rtsp_control = malloc (strlen( url->psz_host ) + 20 + strlen( p_sys->psz_rtsp_path ) + 1 );
1436 sprintf( p_sys->psz_rtsp_control, "rtsp://%s:%d%s",
1437 url->psz_host, url->i_port > 0 ? url->i_port : 554, p_sys->psz_rtsp_path );
1439 p_sys->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, p_sys->psz_rtsp_path, NULL, NULL, NULL );
1440 if( p_sys->p_rtsp_url == 0 )
1442 return VLC_EGENERIC;
1444 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_DESCRIBE, RtspCallback, (void*)p_stream );
1445 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
1446 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
1447 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_TEARDOWN, RtspCallback, (void*)p_stream );
1452 static int RtspCallback( httpd_callback_sys_t *p_args,
1454 httpd_message_t *answer, httpd_message_t *query )
1456 sout_stream_t *p_stream = (sout_stream_t*)p_args;
1457 sout_stream_sys_t *p_sys = p_stream->p_sys;
1458 char *psz_destination = p_sys->psz_destination;
1459 char *psz_session = NULL;
1461 if( answer == NULL || query == NULL )
1465 fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
1467 answer->i_proto = HTTPD_PROTO_RTSP;
1468 answer->i_version= query->i_version;
1469 answer->i_type = HTTPD_MSG_ANSWER;
1471 switch( query->i_type )
1473 case HTTPD_MSG_DESCRIBE:
1475 char *psz_sdp = SDPGenerate( p_stream, psz_destination ? psz_destination : "0.0.0.0", VLC_TRUE );
1477 answer->i_status = 200;
1478 answer->psz_status = strdup( "OK" );
1479 httpd_MsgAdd( answer, "Content-type", "%s", "application/sdp" );
1481 answer->p_body = psz_sdp;
1482 answer->i_body = strlen( psz_sdp );
1486 case HTTPD_MSG_PLAY:
1488 rtsp_client_t *rtsp;
1489 /* for now only multicast so easy */
1490 answer->i_status = 200;
1491 answer->psz_status = strdup( "OK" );
1493 answer->p_body = NULL;
1495 psz_session = httpd_MsgGet( query, "Session" );
1496 rtsp = RtspClientGet( p_stream, psz_session );
1497 if( rtsp && !rtsp->b_playing )
1501 rtsp->b_playing = VLC_TRUE;
1503 vlc_mutex_lock( &p_sys->lock_es );
1504 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
1506 sout_stream_id_t *id = rtsp->id[i_id];
1509 for( i = 0; i < p_sys->i_es; i++ )
1511 if( id == p_sys->es[i] )
1514 if( i >= p_sys->i_es ) continue;
1516 vlc_mutex_lock( &id->lock_rtsp );
1517 TAB_APPEND( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
1518 vlc_mutex_unlock( &id->lock_rtsp );
1520 vlc_mutex_unlock( &p_sys->lock_es );
1524 case HTTPD_MSG_PAUSE:
1526 return VLC_EGENERIC;
1527 case HTTPD_MSG_TEARDOWN:
1529 rtsp_client_t *rtsp;
1531 /* for now only multicast so easy again */
1532 answer->i_status = 200;
1533 answer->psz_status = strdup( "OK" );
1535 answer->p_body = NULL;
1537 psz_session = httpd_MsgGet( query, "Session" );
1538 rtsp = RtspClientGet( p_stream, psz_session );
1543 vlc_mutex_lock( &p_sys->lock_es );
1544 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
1546 sout_stream_id_t *id = rtsp->id[i_id];
1549 for( i = 0; i < p_sys->i_es; i++ )
1551 if( id == p_sys->es[i] )
1554 if( i >= p_sys->i_es ) continue;
1556 vlc_mutex_lock( &id->lock_rtsp );
1557 TAB_REMOVE( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
1558 vlc_mutex_unlock( &id->lock_rtsp );
1560 vlc_mutex_unlock( &p_sys->lock_es );
1562 RtspClientDel( p_stream, rtsp );
1568 return VLC_EGENERIC;
1570 httpd_MsgAdd( answer, "Server", "VLC Server" );
1571 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1572 httpd_MsgAdd( answer, "Cseq", "%d", atoi( httpd_MsgGet( query, "Cseq" ) ) );
1573 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1577 httpd_MsgAdd( answer, "Session", "%s;timeout=5", psz_session );
1582 static int RtspCallbackId( httpd_callback_sys_t *p_args,
1584 httpd_message_t *answer, httpd_message_t *query )
1586 sout_stream_id_t *id = (sout_stream_id_t*)p_args;
1587 sout_stream_t *p_stream = id->p_stream;
1588 sout_stream_sys_t *p_sys = p_stream->p_sys;
1589 char *psz_session = NULL;
1591 if( answer == NULL || query == NULL )
1595 fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
1597 answer->i_proto = HTTPD_PROTO_RTSP;
1598 answer->i_version= query->i_version;
1599 answer->i_type = HTTPD_MSG_ANSWER;
1601 switch( query->i_type )
1603 case HTTPD_MSG_SETUP:
1605 char *psz_transport = httpd_MsgGet( query, "Transport" );
1607 fprintf( stderr, "HTTPD_MSG_SETUP: transport=%s\n", psz_transport );
1609 if( strstr( psz_transport, "multicast" ) && id->psz_destination )
1611 fprintf( stderr, "HTTPD_MSG_SETUP: multicast\n" );
1612 answer->i_status = 200;
1613 answer->psz_status = strdup( "OK" );
1615 answer->p_body = NULL;
1616 psz_session = httpd_MsgGet( query, "Session" );
1617 if( *psz_session == 0 )
1619 psz_session = malloc( 100 );
1620 sprintf( psz_session, "%d", rand() );
1622 httpd_MsgAdd( answer, "Transport",
1623 "RTP/AVP/UDP;destination=%s;port=%d-%d;ttl=%d",
1624 id->psz_destination, id->i_port,id->i_port+1, p_sys->i_ttl );
1626 else if( strstr( psz_transport, "unicast" ) && strstr( psz_transport, "client_port=" ) )
1628 int i_port = atoi( strstr( psz_transport, "client_port=" ) + strlen("client_port=") );
1629 char *ip = httpd_ClientIP( cl );
1631 char psz_access[100];
1634 sout_access_out_t *p_access;
1636 rtsp_client_t *rtsp = NULL;
1640 answer->i_status = 500;
1641 answer->psz_status = strdup( "Internal server error" );
1643 answer->p_body = NULL;
1647 fprintf( stderr, "HTTPD_MSG_SETUP: unicast ip=%s port=%d\n",
1650 psz_session = httpd_MsgGet( query, "Session" );
1651 if( *psz_session == 0 )
1653 psz_session = malloc( 100 );
1654 sprintf( psz_session, "%d", rand() );
1656 rtsp = RtspClientNew( p_stream, psz_session );
1660 rtsp = RtspClientGet( p_stream, psz_session );
1663 answer->i_status = 454;
1664 answer->psz_status = strdup( "Unknown session id" );
1666 answer->p_body = NULL;
1672 /* first try to create the access out */
1673 if( p_sys->i_ttl > 0 )
1674 sprintf( psz_access, "udp{raw,ttl=%d}", p_sys->i_ttl );
1676 sprintf( psz_access, "udp{raw}" );
1677 sprintf( psz_url, "%s:%d", ip, i_port );
1680 if( ( p_access = sout_AccessOutNew( p_stream->p_sout, psz_access, psz_url ) ) == NULL )
1682 msg_Err( p_stream, "cannot create the access out for %s://%s",
1683 psz_access, psz_url );
1684 answer->i_status = 500;
1685 answer->psz_status = strdup( "Internal server error" );
1687 answer->p_body = NULL;
1691 TAB_APPEND( rtsp->i_id, rtsp->id, id );
1692 TAB_APPEND( rtsp->i_access, rtsp->access, p_access );
1694 answer->i_status = 200;
1695 answer->psz_status = strdup( "OK" );
1697 answer->p_body = NULL;
1699 httpd_MsgAdd( answer, "Transport",
1700 "RTP/AVP/UDP;client_port=%d-%d", i_port, i_port + 1 );
1702 else /* TODO strstr( psz_transport, "interleaved" ) ) */
1704 answer->i_status = 461;
1705 answer->psz_status = strdup( "Unsupported Transport" );
1707 answer->p_body = NULL;
1713 return VLC_EGENERIC;
1715 httpd_MsgAdd( answer, "Server", "VLC Server" );
1716 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1717 httpd_MsgAdd( answer, "Cseq", "%d", atoi( httpd_MsgGet( query, "Cseq" ) ) );
1718 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1722 httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
1727 /****************************************************************************
1729 ****************************************************************************/
1730 static void rtp_packetize_common( sout_stream_id_t *id, block_t *out,
1731 int b_marker, int64_t i_pts )
1733 uint32_t i_timestamp = i_pts * (int64_t)id->i_clock_rate / I64C(1000000);
1735 out->p_buffer[0] = 0x80;
1736 out->p_buffer[1] = (b_marker?0x80:0x00)|id->i_payload_type;
1737 out->p_buffer[2] = ( id->i_sequence >> 8)&0xff;
1738 out->p_buffer[3] = ( id->i_sequence )&0xff;
1739 out->p_buffer[4] = ( i_timestamp >> 24 )&0xff;
1740 out->p_buffer[5] = ( i_timestamp >> 16 )&0xff;
1741 out->p_buffer[6] = ( i_timestamp >> 8 )&0xff;
1742 out->p_buffer[7] = ( i_timestamp )&0xff;
1744 out->p_buffer[ 8] = id->ssrc[0];
1745 out->p_buffer[ 9] = id->ssrc[1];
1746 out->p_buffer[10] = id->ssrc[2];
1747 out->p_buffer[11] = id->ssrc[3];
1753 static void rtp_packetize_send( sout_stream_id_t *id, block_t *out )
1756 vlc_mutex_lock( &id->lock_rtsp );
1757 for( i = 0; i < id->i_rtsp_access; i++ )
1759 sout_AccessOutWrite( id->rtsp_access[i], block_Duplicate( out ) );
1761 vlc_mutex_unlock( &id->lock_rtsp );
1765 sout_AccessOutWrite( id->p_access, out );
1769 block_Release( out );
1773 static int rtp_packetize_mpa( sout_stream_t *p_stream, sout_stream_id_t *id,
1776 int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
1777 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1779 uint8_t *p_data = in->p_buffer;
1780 int i_data = in->i_buffer;
1783 for( i = 0; i < i_count; i++ )
1785 int i_payload = __MIN( i_max, i_data );
1786 block_t *out = block_New( p_stream, 16 + i_payload );
1788 /* rtp common header */
1789 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
1791 out->p_buffer[12] = 0;
1792 out->p_buffer[13] = 0;
1793 /* fragment offset in the current frame */
1794 out->p_buffer[14] = ( (i*i_max) >> 8 )&0xff;
1795 out->p_buffer[15] = ( (i*i_max) )&0xff;
1796 memcpy( &out->p_buffer[16], p_data, i_payload );
1798 out->i_buffer = 16 + i_payload;
1799 out->i_dts = in->i_dts + i * in->i_length / i_count;
1800 out->i_length = in->i_length / i_count;
1802 rtp_packetize_send( id, out );
1804 p_data += i_payload;
1805 i_data -= i_payload;
1812 static int rtp_packetize_mpv( sout_stream_t *p_stream, sout_stream_id_t *id,
1815 int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
1816 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1818 uint8_t *p_data = in->p_buffer;
1819 int i_data = in->i_buffer;
1821 int b_sequence_start = 0;
1822 int i_temporal_ref = 0;
1823 int i_picture_coding_type = 0;
1824 int i_fbv = 0, i_bfc = 0, i_ffv = 0, i_ffc = 0;
1825 int b_start_slice = 0;
1827 /* preparse this packet to get some info */
1828 if( in->i_buffer > 4 )
1830 uint8_t *p = p_data;
1831 int i_rest = in->i_buffer;
1835 while( i_rest > 4 &&
1836 ( p[0] != 0x00 || p[1] != 0x00 || p[2] != 0x01 ) )
1850 /* sequence start code */
1851 b_sequence_start = 1;
1853 else if( *p == 0x00 && i_rest >= 4 )
1856 i_temporal_ref = ( p[1] << 2) |((p[2]>>6)&0x03);
1857 i_picture_coding_type = (p[2] >> 3)&0x07;
1859 if( i_rest >= 4 && ( i_picture_coding_type == 2 ||
1860 i_picture_coding_type == 3 ) )
1862 i_ffv = (p[3] >> 2)&0x01;
1863 i_ffc = ((p[3]&0x03) << 1)|((p[4]>>7)&0x01);
1864 if( i_rest > 4 && i_picture_coding_type == 3 )
1866 i_fbv = (p[4]>>6)&0x01;
1867 i_bfc = (p[4]>>3)&0x07;
1871 else if( *p <= 0xaf )
1878 for( i = 0; i < i_count; i++ )
1880 int i_payload = __MIN( i_max, i_data );
1881 block_t *out = block_New( p_stream,
1883 uint32_t h = ( i_temporal_ref << 16 )|
1884 ( b_sequence_start << 13 )|
1885 ( b_start_slice << 12 )|
1886 ( i == i_count - 1 ? 1 << 11 : 0 )|
1887 ( i_picture_coding_type << 8 )|
1888 ( i_fbv << 7 )|( i_bfc << 4 )|( i_ffv << 3 )|i_ffc;
1890 /* rtp common header */
1891 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
1892 in->i_pts > 0 ? in->i_pts : in->i_dts );
1894 /* MBZ:5 T:1 TR:10 AN:1 N:1 S:1 B:1 E:1 P:3 FBV:1 BFC:3 FFV:1 FFC:3 */
1895 out->p_buffer[12] = ( h >> 24 )&0xff;
1896 out->p_buffer[13] = ( h >> 16 )&0xff;
1897 out->p_buffer[14] = ( h >> 8 )&0xff;
1898 out->p_buffer[15] = ( h )&0xff;
1900 memcpy( &out->p_buffer[16], p_data, i_payload );
1902 out->i_buffer = 16 + i_payload;
1903 out->i_dts = in->i_dts + i * in->i_length / i_count;
1904 out->i_length = in->i_length / i_count;
1906 rtp_packetize_send( id, out );
1908 p_data += i_payload;
1909 i_data -= i_payload;
1914 static int rtp_packetize_ac3( sout_stream_t *p_stream, sout_stream_id_t *id,
1917 int i_max = id->i_mtu - 12 - 2; /* payload max in one packet */
1918 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1920 uint8_t *p_data = in->p_buffer;
1921 int i_data = in->i_buffer;
1924 for( i = 0; i < i_count; i++ )
1926 int i_payload = __MIN( i_max, i_data );
1927 block_t *out = block_New( p_stream, 14 + i_payload );
1929 /* rtp common header */
1930 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
1932 out->p_buffer[12] = 1;
1934 out->p_buffer[13] = 0x00;
1936 memcpy( &out->p_buffer[14], p_data, i_payload );
1938 out->i_buffer = 14 + i_payload;
1939 out->i_dts = in->i_dts + i * in->i_length / i_count;
1940 out->i_length = in->i_length / i_count;
1942 rtp_packetize_send( id, out );
1944 p_data += i_payload;
1945 i_data -= i_payload;
1951 static int rtp_packetize_split( sout_stream_t *p_stream, sout_stream_id_t *id,
1954 int i_max = id->i_mtu - 12; /* payload max in one packet */
1955 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1957 uint8_t *p_data = in->p_buffer;
1958 int i_data = in->i_buffer;
1961 for( i = 0; i < i_count; i++ )
1963 int i_payload = __MIN( i_max, i_data );
1964 block_t *out = block_New( p_stream, 12 + i_payload );
1966 /* rtp common header */
1967 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
1968 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
1969 memcpy( &out->p_buffer[12], p_data, i_payload );
1971 out->i_buffer = 12 + i_payload;
1972 out->i_dts = in->i_dts + i * in->i_length / i_count;
1973 out->i_length = in->i_length / i_count;
1975 rtp_packetize_send( id, out );
1977 p_data += i_payload;
1978 i_data -= i_payload;
1984 static int rtp_packetize_l16( sout_stream_t *p_stream, sout_stream_id_t *id,
1987 int i_max = id->i_mtu - 12; /* payload max in one packet */
1988 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1990 uint8_t *p_data = in->p_buffer;
1991 int i_data = in->i_buffer;
1996 int i_payload = (__MIN( i_max, i_data )/4)*4;
1997 block_t *out = block_New( p_stream, 12 + i_payload );
1999 /* rtp common header */
2000 rtp_packetize_common( id, out, 0,
2001 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2002 memcpy( &out->p_buffer[12], p_data, i_payload );
2004 out->i_buffer = 12 + i_payload;
2005 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
2006 out->i_length = in->i_length / i_count;
2008 rtp_packetize_send( id, out );
2010 p_data += i_payload;
2011 i_data -= i_payload;
2018 static int rtp_packetize_l8( sout_stream_t *p_stream, sout_stream_id_t *id,
2021 int i_max = id->i_mtu - 12; /* payload max in one packet */
2022 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2024 uint8_t *p_data = in->p_buffer;
2025 int i_data = in->i_buffer;
2030 int i_payload = (__MIN( i_max, i_data )/2)*2;
2031 block_t *out = block_New( p_stream, 12 + i_payload );
2033 /* rtp common header */
2034 rtp_packetize_common( id, out, 0,
2035 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2036 memcpy( &out->p_buffer[12], p_data, i_payload );
2038 out->i_buffer = 12 + i_payload;
2039 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
2040 out->i_length = in->i_length / i_count;
2042 rtp_packetize_send( id, out );
2044 p_data += i_payload;
2045 i_data -= i_payload;
2051 static int rtp_packetize_mp4a( sout_stream_t *p_stream, sout_stream_id_t *id,
2054 int i_max = id->i_mtu - 16; /* payload max in one packet */
2055 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2057 uint8_t *p_data = in->p_buffer;
2058 int i_data = in->i_buffer;
2061 for( i = 0; i < i_count; i++ )
2063 int i_payload = __MIN( i_max, i_data );
2064 block_t *out = block_New( p_stream, 16 + i_payload );
2066 /* rtp common header */
2067 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2068 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2070 /* AU headers length (bits) */
2071 out->p_buffer[12] = 0;
2072 out->p_buffer[13] = 2*8;
2073 /* for each AU length 13 bits + idx 3bits, */
2074 out->p_buffer[14] = ( in->i_buffer >> 5 )&0xff;
2075 out->p_buffer[15] = ( (in->i_buffer&0xff)<<3 )|0;
2077 memcpy( &out->p_buffer[16], p_data, i_payload );
2079 out->i_buffer = 16 + i_payload;
2080 out->i_dts = in->i_dts + i * in->i_length / i_count;
2081 out->i_length = in->i_length / i_count;
2083 rtp_packetize_send( id, out );
2085 p_data += i_payload;
2086 i_data -= i_payload;
2094 #define RTP_H263_HEADER_SIZE (2) // plen = 0
2095 #define RTP_H263_PAYLOAD_START (14) // plen = 0
2096 static int rtp_packetize_h263( sout_stream_t *p_stream, sout_stream_id_t *id,
2099 uint8_t *p_data = in->p_buffer;
2100 int i_data = in->i_buffer;
2102 int i_max = id->i_mtu - 12 - RTP_H263_HEADER_SIZE; /* payload max in one packet */
2105 int b_v_bit = 0; // no pesky error resilience
2106 int i_plen = 0; // normally plen=0 for PSC packet
2107 int i_pebit = 0; // because plen=0
2112 return VLC_EGENERIC;
2114 if( p_data[0] || p_data[1] )
2116 return VLC_EGENERIC;
2118 /* remove 2 leading 0 bytes */
2121 i_count = ( i_data + i_max - 1 ) / i_max;
2123 for( i = 0; i < i_count; i++ )
2125 int i_payload = __MIN( i_max, i_data );
2126 block_t *out = block_New( p_stream,
2127 RTP_H263_PAYLOAD_START + i_payload );
2128 b_p_bit = (i == 0) ? 1 : 0;
2129 h = ( b_p_bit << 10 )|
2134 /* rtp common header */
2135 //b_m_bit = 1; // always contains end of frame
2136 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
2137 in->i_pts > 0 ? in->i_pts : in->i_dts );
2140 out->p_buffer[12] = ( h >> 8 )&0xff;
2141 out->p_buffer[13] = ( h )&0xff;
2142 memcpy( &out->p_buffer[RTP_H263_PAYLOAD_START], p_data, i_payload );
2144 out->i_buffer = RTP_H263_PAYLOAD_START + i_payload;
2145 out->i_dts = in->i_dts + i * in->i_length / i_count;
2146 out->i_length = in->i_length / i_count;
2148 rtp_packetize_send( id, out );
2150 p_data += i_payload;
2151 i_data -= i_payload;
2157 static int rtp_packetize_amr( sout_stream_t *p_stream, sout_stream_id_t *id,
2160 int i_max = id->i_mtu - 14; /* payload max in one packet */
2161 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2163 uint8_t *p_data = in->p_buffer;
2164 int i_data = in->i_buffer;
2167 /* Only supports octet-aligned mode */
2168 for( i = 0; i < i_count; i++ )
2170 int i_payload = __MIN( i_max, i_data );
2171 block_t *out = block_New( p_stream, 14 + i_payload );
2173 /* rtp common header */
2174 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2175 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2176 /* Payload header */
2177 out->p_buffer[12] = 0xF0; /* CMR */
2178 out->p_buffer[13] = 0x00; /* ToC */ /* FIXME: frame type */
2180 /* FIXME: are we fed multiple frames ? */
2181 memcpy( &out->p_buffer[14], p_data, i_payload );
2183 out->i_buffer = 14 + i_payload;
2184 out->i_dts = in->i_dts + i * in->i_length / i_count;
2185 out->i_length = in->i_length / i_count;
2187 rtp_packetize_send( id, out );
2189 p_data += i_payload;
2190 i_data -= i_payload;