1 /*****************************************************************************
2 * rtp.c: rtp stream output module
3 *****************************************************************************
4 * Copyright (C) 2003-2004 VideoLAN (Centrale Réseaux) and its contributors
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 p_sys->i_ttl = val.i_int;
357 p_sys->i_payload_type = 96;
362 p_sys->psz_sdp = NULL;
364 p_sys->i_sdp_id = mdate();
365 p_sys->i_sdp_version = 1;
366 p_sys->psz_sdp = NULL;
368 p_sys->b_export_sap = VLC_FALSE;
369 p_sys->b_export_sdp_file = VLC_FALSE;
370 p_sys->p_session = NULL;
372 p_sys->p_httpd_host = NULL;
373 p_sys->p_httpd_file = NULL;
374 p_sys->p_rtsp_host = NULL;
375 p_sys->p_rtsp_url = NULL;
376 p_sys->psz_rtsp_control = NULL;
377 p_sys->psz_rtsp_path = NULL;
379 vlc_mutex_init( p_stream, &p_sys->lock_sdp );
380 vlc_mutex_init( p_stream, &p_sys->lock_es );
382 p_stream->pf_add = Add;
383 p_stream->pf_del = Del;
384 p_stream->pf_send = Send;
386 p_stream->p_sys = p_sys;
388 var_Get( p_stream, SOUT_CFG_PREFIX "mux", &val );
389 if( *val.psz_string )
391 sout_access_out_t *p_grab;
395 char url[p_sys->psz_destination ? strlen( p_sys->psz_destination ) + 1 + 12+1 : 14];
397 /* Check muxer type */
398 if( !strncasecmp( val.psz_string, "ps", 2 ) || !strncasecmp( val.psz_string, "mpeg1", 5 ) )
400 psz_rtpmap = "MP2P/90000";
402 else if( !strncasecmp( val.psz_string, "ts", 2 ) )
404 psz_rtpmap = "MP2T/90000";
405 p_sys->i_payload_type = 33;
409 msg_Err( p_stream, "unsupported muxer type with rtp (only ts/ps)" );
413 /* create the access out */
414 if( p_sys->i_ttl > 0 )
416 sprintf( access, "udp{raw,ttl=%d}", p_sys->i_ttl );
420 sprintf( access, "udp{raw}" );
422 sprintf( url, "%s:%d", p_sys->psz_destination, p_sys->i_port );
423 if( !( p_sys->p_access = sout_AccessOutNew( p_sout, access, url ) ) )
425 msg_Err( p_stream, "cannot create the access out for %s://%s",
430 p_sys->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beurk */
431 if( p_sys->i_mtu <= 16 )
433 /* better than nothing */
437 /* the access out grabber TODO export it as sout_AccessOutGrabberNew */
438 p_grab = p_sys->p_grab =
439 vlc_object_create( p_sout, sizeof( sout_access_out_t ) );
440 p_grab->p_module = NULL;
441 p_grab->p_sout = p_sout;
442 p_grab->psz_access = strdup( "grab" );
443 p_grab->p_cfg = NULL;
444 p_grab->psz_name = strdup( "" );
445 p_grab->p_sys = (sout_access_out_sys_t*)p_stream;
446 p_grab->pf_seek = NULL;
447 p_grab->pf_write = AccessOutGrabberWrite;
450 if( !( p_sys->p_mux = sout_MuxNew( p_sout, val.psz_string, p_sys->p_grab ) ) )
452 msg_Err( p_stream, "cannot create the muxer (%s)", val.psz_string );
453 sout_AccessOutDelete( p_sys->p_grab );
454 sout_AccessOutDelete( p_sys->p_access );
459 /* create the SDP for a muxed stream (only once) */
460 /* FIXME http://www.faqs.org/rfcs/rfc2327.html
461 All text fields should be UTF-8 encoded. Use global a:charset to announce this.
462 o= - should be local username (no spaces allowed)
463 o= time should be hashed with some other value to garantue uniqueness
464 o= we need IP6 support?
465 o= don't use the localhost address. use fully qualified domain name or IP4 address
466 p= international phone number (pass via vars?)
468 c= /ttl should only be added in case of multicast
469 a= recvonly (missing)
470 a= type:broadcast (missing)
471 a= charset: (normally charset should be UTF-8, this can be used to override s= and i=)
472 a= x-plgroup: (missing)
473 RTP packets need to get the correct src IP address */
475 malloc( 10 + 30 + 10 + strlen( p_sys->psz_session_name ) +
476 10 + strlen( p_sys->psz_session_description ) + 10 + strlen( p_sys->psz_session_url ) +
477 10 + strlen( p_sys->psz_session_email ) + 10 + strlen( p_sys->psz_destination ) +
478 10 + 10 + strlen( PACKAGE_STRING ) +
479 20 + 10 + 20 + 10 + strlen( psz_rtpmap ) );
480 sprintf( p_sys->psz_sdp,
482 "o=- "I64Fd" %d IN IP4 127.0.0.1\r\n"
487 "t=0 0\r\n" /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
488 "a=tool:"PACKAGE_STRING"\r\n"
490 "m=video %d RTP/AVP %d\r\n"
491 "a=rtpmap:%d %s\r\n",
492 p_sys->i_sdp_id, p_sys->i_sdp_version,
493 p_sys->psz_session_name,
494 p_sys->psz_session_description,
495 p_sys->psz_session_url,
496 p_sys->psz_session_email,
497 p_sys->psz_destination, p_sys->i_ttl,
498 p_sys->i_port, p_sys->i_payload_type,
499 p_sys->i_payload_type, psz_rtpmap );
500 fprintf( stderr, "sdp=%s", p_sys->psz_sdp );
502 /* create the rtp context */
503 p_sys->ssrc[0] = rand()&0xff;
504 p_sys->ssrc[1] = rand()&0xff;
505 p_sys->ssrc[2] = rand()&0xff;
506 p_sys->ssrc[3] = rand()&0xff;
507 p_sys->i_sequence = rand()&0xffff;
508 p_sys->i_timestamp_start = rand()&0xffffffff;
509 p_sys->packet = NULL;
514 p_sys->p_access = NULL;
515 p_sys->p_grab = NULL;
517 free( val.psz_string );
520 var_Get( p_stream, SOUT_CFG_PREFIX "sdp", &val );
521 if( *val.psz_string )
525 SDPHandleUrl( p_stream, val.psz_string );
527 for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
529 if( !strcmp( p_cfg->psz_name, "sdp" ) )
531 if( p_cfg->psz_value == NULL || *p_cfg->psz_value == '\0' )
534 if( !strcmp( p_cfg->psz_value, val.psz_string ) ) /* needed both :sout-rtp-sdp= and rtp{sdp=} can be used */
537 SDPHandleUrl( p_stream, p_cfg->psz_value );
541 free( val.psz_string );
543 /* update p_sout->i_out_pace_nocontrol */
544 p_stream->p_sout->i_out_pace_nocontrol++;
549 /*****************************************************************************
551 *****************************************************************************/
552 static void Close( vlc_object_t * p_this )
554 sout_stream_t *p_stream = (sout_stream_t*)p_this;
555 sout_stream_sys_t *p_sys = p_stream->p_sys;
557 /* update p_sout->i_out_pace_nocontrol */
558 p_stream->p_sout->i_out_pace_nocontrol--;
562 sout_MuxDelete( p_sys->p_mux );
563 sout_AccessOutDelete( p_sys->p_access );
564 sout_AccessOutDelete( p_sys->p_grab );
567 block_Release( p_sys->packet );
571 while( p_sys->i_rtsp > 0 )
573 RtspClientDel( p_stream, p_sys->rtsp[0] );
576 vlc_mutex_destroy( &p_sys->lock_sdp );
578 if( p_sys->p_httpd_file )
580 httpd_FileDelete( p_sys->p_httpd_file );
582 if( p_sys->p_httpd_host )
584 httpd_HostDelete( p_sys->p_httpd_host );
586 if( p_sys->p_rtsp_url )
588 httpd_UrlDelete( p_sys->p_rtsp_url );
590 if( p_sys->p_rtsp_host )
592 httpd_HostDelete( p_sys->p_rtsp_host );
595 /* why? is this disabled? */
596 if( p_sys->psz_session_name )
598 free( p_sys->psz_session_name );
599 p_sys->psz_session_name = NULL;
601 if( p_sys->psz_session_description )
603 free( p_sys->psz_session_description );
604 p_sys->psz_session_description = NULL;
606 if( p_sys->psz_session_url )
608 free( p_sys->psz_session_url );
609 p_sys->psz_session_url = NULL;
611 if( p_sys->psz_session_email )
613 free( p_sys->psz_session_email );
614 p_sys->psz_session_email = NULL;
619 free( p_sys->psz_sdp );
624 /*****************************************************************************
626 *****************************************************************************/
627 static void SDPHandleUrl( sout_stream_t *p_stream, char *psz_url )
629 sout_stream_sys_t *p_sys = p_stream->p_sys;
632 vlc_UrlParse( &url, psz_url, 0 );
633 if( url.psz_protocol && !strcasecmp( url.psz_protocol, "http" ) )
635 if( p_sys->p_httpd_file )
637 msg_Err( p_stream, "You can used sdp=http:// only once" );
641 if( HttpSetup( p_stream, &url ) )
643 msg_Err( p_stream, "cannot export sdp as http" );
646 else if( url.psz_protocol && !strcasecmp( url.psz_protocol, "rtsp" ) )
648 if( p_sys->p_rtsp_url )
650 msg_Err( p_stream, "You can used sdp=rtsp:// only once" );
654 /* FIXME test if destination is multicast or no destination at all FIXME */
655 if( RtspSetup( p_stream, &url ) )
657 msg_Err( p_stream, "cannot export sdp as rtsp" );
660 else if( ( url.psz_protocol && !strcasecmp( url.psz_protocol, "sap" ) ) ||
661 ( url.psz_host && !strcasecmp( url.psz_host, "sap" ) ) )
663 p_sys->b_export_sap = VLC_TRUE;
664 SapSetup( p_stream );
666 else if( url.psz_protocol && !strcasecmp( url.psz_protocol, "file" ) )
668 if( p_sys->b_export_sdp_file )
670 msg_Err( p_stream, "You can used sdp=file:// only once" );
673 p_sys->b_export_sdp_file = VLC_TRUE;
674 psz_url = &psz_url[5];
675 if( psz_url[0] == '/' && psz_url[1] == '/' )
677 p_sys->psz_sdp_file = strdup( psz_url );
681 msg_Warn( p_stream, "unknown protocol for SDP (%s)",
684 vlc_UrlClean( &url );
687 /*****************************************************************************
689 *****************************************************************************/
690 /* FIXME http://www.faqs.org/rfcs/rfc2327.html
691 All text fields should be UTF-8 encoded. Use global a:charset to announce this.
692 o= - should be local username (no spaces allowed)
693 o= time should be hashed with some other value to garantue uniqueness
694 o= we need IP6 support?
695 o= don't use the localhost address. use fully qualified domain name or IP4 address
696 p= international phone number (pass via vars?)
698 c= /ttl should only be added in case of multicast
699 a= recvonly (missing)
700 a= type:broadcast (missing)
701 a= charset: (normally charset should be UTF-8, this can be used to override s= and i=)
702 a= x-plgroup: (missing)
703 RTP packets need to get the correct src IP address */
704 static char *SDPGenerate( sout_stream_t *p_stream, char *psz_destination, vlc_bool_t b_rtsp )
706 sout_stream_sys_t *p_sys = p_stream->p_sys;
711 i_size = strlen( "v=0\r\n" ) +
712 strlen( "o=- * * IN IP4 127.0.0.1\r\n" ) + 10 + 10 +
713 strlen( "s=*\r\n" ) + strlen( p_sys->psz_session_name ) +
714 strlen( "i=*\r\n" ) + strlen( p_sys->psz_session_description ) +
715 strlen( "u=*\r\n" ) + strlen( p_sys->psz_session_url ) +
716 strlen( "e=*\r\n" ) + strlen( p_sys->psz_session_email ) +
717 strlen( "t=0 0\r\n" ) + /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
718 strlen( "a=tool:"PACKAGE_STRING"\r\n" ) +
719 strlen( "c=IN IP4 */*\r\n" ) + 20 + 10 +
720 strlen( psz_destination ? psz_destination : "0.0.0.0") ;
721 for( i = 0; i < p_sys->i_es; i++ )
723 sout_stream_id_t *id = p_sys->es[i];
725 i_size += strlen( "m=**d*o * RTP/AVP *\r\n" ) + 10 + 10;
728 i_size += strlen( "a=rtpmap:* *\r\n" ) + strlen( id->psz_rtpmap )+10;
732 i_size += strlen( "a=fmtp:* *\r\n" ) + strlen( id->psz_fmtp ) + 10;
736 i_size += strlen( "a=control:*/trackid=*\r\n" ) + strlen( p_sys->psz_rtsp_control ) + 10;
740 p = psz_sdp = malloc( i_size );
741 p += sprintf( p, "v=0\r\n" );
742 p += sprintf( p, "o=- "I64Fd" %d IN IP4 127.0.0.1\r\n",
743 p_sys->i_sdp_id, p_sys->i_sdp_version );
744 if( *p_sys->psz_session_name )
745 p += sprintf( p, "s=%s\r\n", p_sys->psz_session_name );
746 if( *p_sys->psz_session_description )
747 p += sprintf( p, "i=%s\r\n", p_sys->psz_session_description );
748 if( *p_sys->psz_session_url )
749 p += sprintf( p, "u=%s\r\n", p_sys->psz_session_url );
750 if( *p_sys->psz_session_email )
751 p += sprintf( p, "e=%s\r\n", p_sys->psz_session_email );
753 p += sprintf( p, "t=0 0\r\n" ); /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
754 p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" );
756 p += sprintf( p, "c=IN IP4 %s/%d\r\n", psz_destination ? psz_destination : "0.0.0.0",
759 for( i = 0; i < p_sys->i_es; i++ )
761 sout_stream_id_t *id = p_sys->es[i];
763 if( id->i_cat == AUDIO_ES )
765 p += sprintf( p, "m=audio %d RTP/AVP %d\r\n",
766 id->i_port, id->i_payload_type );
768 else if( id->i_cat == VIDEO_ES )
770 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
771 id->i_port, id->i_payload_type );
779 p += sprintf( p, "a=rtpmap:%d %s\r\n", id->i_payload_type,
784 p += sprintf( p, "a=fmtp:%d %s\r\n", id->i_payload_type,
789 p += sprintf( p, "a=control:%s/trackid=%d\r\n", p_sys->psz_rtsp_control, i );
796 /*****************************************************************************
798 *****************************************************************************/
799 static int rtp_packetize_l16 ( sout_stream_t *, sout_stream_id_t *, block_t * );
800 static int rtp_packetize_l8 ( sout_stream_t *, sout_stream_id_t *, block_t * );
801 static int rtp_packetize_mpa ( sout_stream_t *, sout_stream_id_t *, block_t * );
802 static int rtp_packetize_mpv ( sout_stream_t *, sout_stream_id_t *, block_t * );
803 static int rtp_packetize_ac3 ( sout_stream_t *, sout_stream_id_t *, block_t * );
804 static int rtp_packetize_split( sout_stream_t *, sout_stream_id_t *, block_t * );
805 static int rtp_packetize_mp4a ( sout_stream_t *, sout_stream_id_t *, block_t * );
806 static int rtp_packetize_h263 ( sout_stream_t *, sout_stream_id_t *, block_t * );
807 static int rtp_packetize_amr ( sout_stream_t *, sout_stream_id_t *, block_t * );
809 static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
811 static const char hex[16] = "0123456789abcdef";
814 for( i = 0; i < i_data; i++ )
816 s[2*i+0] = hex[(p_data[i]>>4)&0xf];
817 s[2*i+1] = hex[(p_data[i] )&0xf];
822 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
824 sout_instance_t *p_sout = p_stream->p_sout;
825 sout_stream_sys_t *p_sys = p_stream->p_sys;
826 sout_stream_id_t *id;
827 sout_access_out_t *p_access = NULL;
831 if( p_sys->p_mux != NULL )
833 sout_input_t *p_input = NULL;
834 if( ( p_input = sout_MuxAddStream( p_sys->p_mux, p_fmt ) ) == NULL )
836 msg_Err( p_stream, "cannot add this stream to the muxer" );
840 id = malloc( sizeof( sout_stream_id_t ) );
841 memset( id, 0, sizeof( sout_stream_id_t ) );
843 id->p_input = p_input;
844 id->pf_packetize= NULL;
845 id->p_rtsp_url = NULL;
851 /* Choose the port */
853 if( p_fmt->i_cat == AUDIO_ES && p_sys->i_port_audio > 0 )
855 i_port = p_sys->i_port_audio;
856 p_sys->i_port_audio = 0;
858 else if( p_fmt->i_cat == VIDEO_ES && p_sys->i_port_video > 0 )
860 i_port = p_sys->i_port_video;
861 p_sys->i_port_video = 0;
865 if( p_sys->i_port != p_sys->i_port_audio && p_sys->i_port != p_sys->i_port_video )
867 i_port = p_sys->i_port;
874 if( p_sys->psz_destination )
877 char url[strlen( p_sys->psz_destination ) + 1 + 12 + 1];
879 /* first try to create the access out */
880 if( p_sys->i_ttl > 0 )
882 sprintf( access, "udp{raw,ttl=%d}", p_sys->i_ttl );
886 sprintf( access, "udp{raw}" );
888 sprintf( url, "%s:%d", p_sys->psz_destination, i_port );
889 if( ( p_access = sout_AccessOutNew( p_sout, access, url ) ) == NULL )
891 msg_Err( p_stream, "cannot create the access out for %s://%s",
895 msg_Dbg( p_stream, "access out %s:%s", access, url );
898 /* not create the rtp specific stuff */
899 id = malloc( sizeof( sout_stream_id_t ) );
900 memset( id, 0, sizeof( sout_stream_id_t ) );
901 id->p_stream = p_stream;
902 id->p_access = p_access;
904 id->psz_rtpmap = NULL;
906 id->psz_destination = p_sys->psz_destination ? strdup( p_sys->psz_destination ) : NULL;
908 id->p_rtsp_url = NULL;
909 vlc_mutex_init( p_stream, &id->lock_rtsp );
910 id->i_rtsp_access = 0;
911 id->rtsp_access = NULL;
913 switch( p_fmt->i_codec )
915 case VLC_FOURCC( 's', '1', '6', 'b' ):
916 if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
918 id->i_payload_type = 11;
920 else if( p_fmt->audio.i_channels == 2 &&
921 p_fmt->audio.i_rate == 44100 )
923 id->i_payload_type = 10;
927 id->i_payload_type = p_sys->i_payload_type++;
929 id->psz_rtpmap = malloc( strlen( "L16/*/*" ) + 20+1 );
930 sprintf( id->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
931 p_fmt->audio.i_channels );
932 id->i_clock_rate = p_fmt->audio.i_rate;
933 id->pf_packetize = rtp_packetize_l16;
935 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
936 id->i_payload_type = p_sys->i_payload_type++;
937 id->psz_rtpmap = malloc( strlen( "L8/*/*" ) + 20+1 );
938 sprintf( id->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
939 p_fmt->audio.i_channels );
940 id->i_clock_rate = p_fmt->audio.i_rate;
941 id->pf_packetize = rtp_packetize_l8;
943 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
944 id->i_payload_type = 14;
945 id->i_clock_rate = 90000;
946 id->psz_rtpmap = strdup( "MPA/90000" );
947 id->pf_packetize = rtp_packetize_mpa;
949 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
950 id->i_payload_type = 32;
951 id->i_clock_rate = 90000;
952 id->psz_rtpmap = strdup( "MPV/90000" );
953 id->pf_packetize = rtp_packetize_mpv;
955 case VLC_FOURCC( 'a', '5', '2', ' ' ):
956 id->i_payload_type = p_sys->i_payload_type++;
957 id->i_clock_rate = 90000;
958 id->psz_rtpmap = strdup( "ac3/90000" );
959 id->pf_packetize = rtp_packetize_ac3;
961 case VLC_FOURCC( 'H', '2', '6', '3' ):
962 id->i_payload_type = p_sys->i_payload_type++;
963 id->i_clock_rate = 90000;
964 id->psz_rtpmap = strdup( "H263-1998/90000" );
965 id->pf_packetize = rtp_packetize_h263;
968 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
970 char hexa[2*p_fmt->i_extra +1];
972 id->i_payload_type = p_sys->i_payload_type++;
973 id->i_clock_rate = 90000;
974 id->psz_rtpmap = strdup( "MP4V-ES/90000" );
975 id->pf_packetize = rtp_packetize_split;
976 if( p_fmt->i_extra > 0 )
978 id->psz_fmtp = malloc( 100 + 2 * p_fmt->i_extra );
979 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
980 sprintf( id->psz_fmtp,
981 "profile-level-id=3; config=%s;", hexa );
985 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
987 char hexa[2*p_fmt->i_extra +1];
989 id->i_payload_type = p_sys->i_payload_type++;
990 id->i_clock_rate = p_fmt->audio.i_rate;
991 id->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
992 sprintf( id->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
993 id->pf_packetize = rtp_packetize_mp4a;
994 id->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
995 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
996 sprintf( id->psz_fmtp,
997 "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
998 "config=%s; SizeLength=13;IndexLength=3; "
999 "IndexDeltaLength=3; Profile=1;", hexa );
1002 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
1003 id->i_payload_type = p_sys->i_payload_type++;
1004 id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
1005 "AMR/8000/2" : "AMR/8000" );
1006 id->psz_fmtp = strdup( "octet-align=1" );
1007 id->i_clock_rate = p_fmt->audio.i_rate;
1008 id->pf_packetize = rtp_packetize_amr;
1010 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
1011 id->i_payload_type = p_sys->i_payload_type++;
1012 id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
1013 "AMR-WB/16000/2" : "AMR-WB/16000" );
1014 id->psz_fmtp = strdup( "octet-align=1" );
1015 id->i_clock_rate = p_fmt->audio.i_rate;
1016 id->pf_packetize = rtp_packetize_amr;
1020 msg_Err( p_stream, "cannot add this stream (unsupported "
1021 "codec:%4.4s)", (char*)&p_fmt->i_codec );
1024 sout_AccessOutDelete( p_access );
1029 id->i_cat = p_fmt->i_cat;
1031 id->ssrc[0] = rand()&0xff;
1032 id->ssrc[1] = rand()&0xff;
1033 id->ssrc[2] = rand()&0xff;
1034 id->ssrc[3] = rand()&0xff;
1035 id->i_sequence = rand()&0xffff;
1036 id->i_timestamp_start = rand()&0xffffffff;
1038 id->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beuk */
1039 if( id->i_mtu <= 16 )
1041 /* better than nothing */
1044 msg_Dbg( p_stream, "using mtu=%d", id->i_mtu );
1046 if( p_sys->p_rtsp_url )
1048 char psz_urlc[strlen( p_sys->psz_rtsp_control ) + 1 + 10];
1050 sprintf( psz_urlc, "%s/trackid=%d", p_sys->psz_rtsp_path, p_sys->i_es );
1051 fprintf( stderr, "rtsp: adding %s\n", psz_urlc );
1052 id->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, psz_urlc, NULL, NULL, NULL, 0 );
1054 if( id->p_rtsp_url )
1056 httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_SETUP, RtspCallbackId, (void*)id );
1057 //httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
1058 //httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
1063 /* Update p_sys context */
1064 vlc_mutex_lock( &p_sys->lock_es );
1065 TAB_APPEND( p_sys->i_es, p_sys->es, id );
1066 vlc_mutex_unlock( &p_sys->lock_es );
1068 psz_sdp = SDPGenerate( p_stream, p_sys->psz_destination, VLC_FALSE );
1070 vlc_mutex_lock( &p_sys->lock_sdp );
1071 free( p_sys->psz_sdp );
1072 p_sys->psz_sdp = psz_sdp;
1073 vlc_mutex_unlock( &p_sys->lock_sdp );
1075 p_sys->i_sdp_version++;
1077 fprintf( stderr, "sdp=%s", p_sys->psz_sdp );
1079 /* Update SDP (sap/file) */
1080 if( p_sys->b_export_sap ) SapSetup( p_stream );
1081 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
1086 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
1088 sout_stream_sys_t *p_sys = p_stream->p_sys;
1090 vlc_mutex_lock( &p_sys->lock_es );
1091 TAB_REMOVE( p_sys->i_es, p_sys->es, id );
1092 vlc_mutex_unlock( &p_sys->lock_es );
1095 if( id->i_port > 0 )
1097 if( id->i_cat == AUDIO_ES && p_sys->i_port_audio == 0 )
1098 p_sys->i_port_audio = id->i_port;
1099 else if( id->i_cat == VIDEO_ES && p_sys->i_port_video == 0 )
1100 p_sys->i_port_video = id->i_port;
1105 if( id->psz_rtpmap )
1107 free( id->psz_rtpmap );
1111 free( id->psz_fmtp );
1113 if( id->psz_destination )
1114 free( id->psz_destination );
1115 sout_AccessOutDelete( id->p_access );
1117 else if( id->p_input )
1119 sout_MuxDeleteStream( p_sys->p_mux, id->p_input );
1121 if( id->p_rtsp_url )
1123 httpd_UrlDelete( id->p_rtsp_url );
1125 vlc_mutex_destroy( &id->lock_rtsp );
1126 if( id->rtsp_access ) free( id->rtsp_access );
1128 /* Update SDP (sap/file) */
1129 if( p_sys->b_export_sap ) SapSetup( p_stream );
1130 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
1136 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
1141 if( p_stream->p_sys->p_mux )
1143 sout_MuxSendBuffer( p_stream->p_sys->p_mux, id->p_input, p_buffer );
1149 p_next = p_buffer->p_next;
1150 if( id->pf_packetize( p_stream, id, p_buffer ) )
1154 block_Release( p_buffer );
1162 static int AccessOutGrabberWriteBuffer( sout_stream_t *p_stream,
1165 sout_stream_sys_t *p_sys = p_stream->p_sys;
1167 int64_t i_dts = p_buffer->i_dts;
1168 uint32_t i_timestamp = i_dts * 9 / 100;
1170 uint8_t *p_data = p_buffer->p_buffer;
1171 unsigned int i_data = p_buffer->i_buffer;
1172 unsigned int i_max = p_sys->i_mtu - 12;
1174 int i_packet = ( p_buffer->i_buffer + i_max - 1 ) / i_max;
1178 unsigned int i_size;
1180 /* output complete packet */
1181 if( p_sys->packet &&
1182 p_sys->packet->i_buffer + i_data > i_max )
1184 sout_AccessOutWrite( p_sys->p_access, p_sys->packet );
1185 p_sys->packet = NULL;
1188 if( p_sys->packet == NULL )
1190 /* allocate a new packet */
1191 p_sys->packet = block_New( p_stream, p_sys->i_mtu );
1192 p_sys->packet->p_buffer[ 0] = 0x80;
1193 p_sys->packet->p_buffer[ 1] = 0x80|p_sys->i_payload_type;
1194 p_sys->packet->p_buffer[ 2] = ( p_sys->i_sequence >> 8)&0xff;
1195 p_sys->packet->p_buffer[ 3] = ( p_sys->i_sequence )&0xff;
1196 p_sys->packet->p_buffer[ 4] = ( i_timestamp >> 24 )&0xff;
1197 p_sys->packet->p_buffer[ 5] = ( i_timestamp >> 16 )&0xff;
1198 p_sys->packet->p_buffer[ 6] = ( i_timestamp >> 8 )&0xff;
1199 p_sys->packet->p_buffer[ 7] = ( i_timestamp )&0xff;
1200 p_sys->packet->p_buffer[ 8] = p_sys->ssrc[0];
1201 p_sys->packet->p_buffer[ 9] = p_sys->ssrc[1];
1202 p_sys->packet->p_buffer[10] = p_sys->ssrc[2];
1203 p_sys->packet->p_buffer[11] = p_sys->ssrc[3];
1204 p_sys->packet->i_buffer = 12;
1206 p_sys->packet->i_dts = i_dts;
1207 p_sys->packet->i_length = p_buffer->i_length / i_packet;
1208 i_dts += p_sys->packet->i_length;
1210 p_sys->i_sequence++;
1213 i_size = __MIN( i_data, p_sys->i_mtu - p_sys->packet->i_buffer );
1215 memcpy( &p_sys->packet->p_buffer[p_sys->packet->i_buffer],
1218 p_sys->packet->i_buffer += i_size;
1226 static int AccessOutGrabberWrite( sout_access_out_t *p_access,
1229 sout_stream_t *p_stream = (sout_stream_t*)p_access->p_sys;
1231 //fprintf( stderr, "received buffer size=%d\n", p_buffer->i_buffer );
1237 AccessOutGrabberWriteBuffer( p_stream, p_buffer );
1239 p_next = p_buffer->p_next;
1240 block_Release( p_buffer );
1247 /****************************************************************************
1249 ****************************************************************************/
1250 static int SapSetup( sout_stream_t *p_stream )
1252 sout_stream_sys_t *p_sys = p_stream->p_sys;
1253 sout_instance_t *p_sout = p_stream->p_sout;
1254 /* FIXME: use sout_AnnounceMethodCreate */
1255 announce_method_t *p_method = (announce_method_t *)
1256 malloc(sizeof(announce_method_t));
1258 /* Remove the previous session */
1259 if( p_sys->p_session != NULL)
1261 sout_AnnounceUnRegister( p_sout, p_sys->p_session);
1262 sout_AnnounceSessionDestroy( p_sys->p_session );
1263 p_sys->p_session = NULL;
1265 p_method->i_type = METHOD_TYPE_SAP;
1266 p_method->psz_address = NULL; /* FIXME */
1268 if( p_sys->i_es > 0 && p_sys->psz_sdp && *p_sys->psz_sdp )
1270 p_sys->p_session = sout_AnnounceRegisterSDP( p_sout, p_sys->psz_sdp,
1278 /****************************************************************************
1280 ****************************************************************************/
1281 static int FileSetup( sout_stream_t *p_stream )
1283 sout_stream_sys_t *p_sys = p_stream->p_sys;
1286 if( ( f = fopen( p_sys->psz_sdp_file, "wt" ) ) == NULL )
1288 msg_Err( p_stream, "cannot open file '%s' (%s)",
1289 p_sys->psz_sdp_file, strerror(errno) );
1290 return VLC_EGENERIC;
1293 fprintf( f, "%s", p_sys->psz_sdp );
1299 /****************************************************************************
1301 ****************************************************************************/
1302 static int HttpCallback( httpd_file_sys_t *p_args,
1303 httpd_file_t *, uint8_t *p_request,
1304 uint8_t **pp_data, int *pi_data );
1306 static int HttpSetup( sout_stream_t *p_stream, vlc_url_t *url)
1308 sout_stream_sys_t *p_sys = p_stream->p_sys;
1310 p_sys->p_httpd_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port );
1311 if( p_sys->p_httpd_host )
1313 p_sys->p_httpd_file = httpd_FileNew( p_sys->p_httpd_host,
1314 url->psz_path ? url->psz_path : "/",
1316 NULL, NULL, NULL, 0,
1317 HttpCallback, (void*)p_sys );
1319 if( p_sys->p_httpd_file == NULL )
1321 return VLC_EGENERIC;
1326 static int HttpCallback( httpd_file_sys_t *p_args,
1327 httpd_file_t *f, uint8_t *p_request,
1328 uint8_t **pp_data, int *pi_data )
1330 sout_stream_sys_t *p_sys = (sout_stream_sys_t*)p_args;
1332 vlc_mutex_lock( &p_sys->lock_sdp );
1333 if( p_sys->psz_sdp && *p_sys->psz_sdp )
1335 *pi_data = strlen( p_sys->psz_sdp );
1336 *pp_data = malloc( *pi_data );
1337 memcpy( *pp_data, p_sys->psz_sdp, *pi_data );
1344 vlc_mutex_unlock( &p_sys->lock_sdp );
1349 /****************************************************************************
1351 ****************************************************************************/
1352 static rtsp_client_t *RtspClientNew( sout_stream_t *p_stream, char *psz_session )
1354 rtsp_client_t *rtsp = malloc( sizeof( rtsp_client_t ));
1356 rtsp->psz_session = psz_session;
1358 rtsp->b_playing = VLC_FALSE;
1362 rtsp->access = NULL;
1364 TAB_APPEND( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
1368 static rtsp_client_t *RtspClientGet( sout_stream_t *p_stream, char *psz_session )
1371 for( i = 0; i < p_stream->p_sys->i_rtsp; i++ )
1373 if( !strcmp( p_stream->p_sys->rtsp[i]->psz_session, psz_session ) )
1375 return p_stream->p_sys->rtsp[i];
1381 static void RtspClientDel( sout_stream_t *p_stream, rtsp_client_t *rtsp )
1384 TAB_REMOVE( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
1386 for( i = 0; i < rtsp->i_access; i++ )
1388 sout_AccessOutDelete( rtsp->access[i] );
1390 if( rtsp->id ) free( rtsp->id );
1391 if( rtsp->access ) free( rtsp->access );
1393 free( rtsp->psz_session );
1397 static int RtspSetup( sout_stream_t *p_stream, vlc_url_t *url )
1399 sout_stream_sys_t *p_sys = p_stream->p_sys;
1401 fprintf( stderr, "rtsp setup: %s : %d / %s\n", url->psz_host, url->i_port, url->psz_path );
1403 p_sys->p_rtsp_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 554 );
1404 if( p_sys->p_rtsp_host == NULL )
1406 return VLC_EGENERIC;
1409 p_sys->psz_rtsp_path = strdup( url->psz_path ? url->psz_path : "/" );
1410 p_sys->psz_rtsp_control = malloc (strlen( url->psz_host ) + 20 + strlen( p_sys->psz_rtsp_path ) + 1 );
1411 sprintf( p_sys->psz_rtsp_control, "rtsp://%s:%d%s",
1412 url->psz_host, url->i_port > 0 ? url->i_port : 554, p_sys->psz_rtsp_path );
1414 p_sys->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, p_sys->psz_rtsp_path, NULL, NULL, NULL, 0 );
1415 if( p_sys->p_rtsp_url == 0 )
1417 return VLC_EGENERIC;
1419 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_DESCRIBE, RtspCallback, (void*)p_stream );
1420 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
1421 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
1422 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_TEARDOWN, RtspCallback, (void*)p_stream );
1427 static int RtspCallback( httpd_callback_sys_t *p_args,
1429 httpd_message_t *answer, httpd_message_t *query )
1431 sout_stream_t *p_stream = (sout_stream_t*)p_args;
1432 sout_stream_sys_t *p_sys = p_stream->p_sys;
1433 char *psz_destination = p_sys->psz_destination;
1434 char *psz_session = NULL;
1436 if( answer == NULL || query == NULL )
1440 fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
1442 answer->i_proto = HTTPD_PROTO_RTSP;
1443 answer->i_version= query->i_version;
1444 answer->i_type = HTTPD_MSG_ANSWER;
1446 switch( query->i_type )
1448 case HTTPD_MSG_DESCRIBE:
1450 char *psz_sdp = SDPGenerate( p_stream, psz_destination ? psz_destination : "0.0.0.0", VLC_TRUE );
1452 answer->i_status = 200;
1453 answer->psz_status = strdup( "OK" );
1454 httpd_MsgAdd( answer, "Content-type", "%s", "application/sdp" );
1456 answer->p_body = psz_sdp;
1457 answer->i_body = strlen( psz_sdp );
1461 case HTTPD_MSG_PLAY:
1463 rtsp_client_t *rtsp;
1464 /* for now only multicast so easy */
1465 answer->i_status = 200;
1466 answer->psz_status = strdup( "OK" );
1468 answer->p_body = NULL;
1470 psz_session = httpd_MsgGet( query, "Session" );
1471 rtsp = RtspClientGet( p_stream, psz_session );
1472 if( rtsp && !rtsp->b_playing )
1476 rtsp->b_playing = VLC_TRUE;
1478 vlc_mutex_lock( &p_sys->lock_es );
1479 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
1481 sout_stream_id_t *id = rtsp->id[i_id];
1484 for( i = 0; i < p_sys->i_es; i++ )
1486 if( id == p_sys->es[i] )
1489 if( i >= p_sys->i_es ) continue;
1491 vlc_mutex_lock( &id->lock_rtsp );
1492 TAB_APPEND( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
1493 vlc_mutex_unlock( &id->lock_rtsp );
1495 vlc_mutex_unlock( &p_sys->lock_es );
1499 case HTTPD_MSG_PAUSE:
1501 return VLC_EGENERIC;
1502 case HTTPD_MSG_TEARDOWN:
1504 rtsp_client_t *rtsp;
1506 /* for now only multicast so easy again */
1507 answer->i_status = 200;
1508 answer->psz_status = strdup( "OK" );
1510 answer->p_body = NULL;
1512 psz_session = httpd_MsgGet( query, "Session" );
1513 rtsp = RtspClientGet( p_stream, psz_session );
1518 vlc_mutex_lock( &p_sys->lock_es );
1519 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
1521 sout_stream_id_t *id = rtsp->id[i_id];
1524 for( i = 0; i < p_sys->i_es; i++ )
1526 if( id == p_sys->es[i] )
1529 if( i >= p_sys->i_es ) continue;
1531 vlc_mutex_lock( &id->lock_rtsp );
1532 TAB_REMOVE( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
1533 vlc_mutex_unlock( &id->lock_rtsp );
1535 vlc_mutex_unlock( &p_sys->lock_es );
1537 RtspClientDel( p_stream, rtsp );
1543 return VLC_EGENERIC;
1545 httpd_MsgAdd( answer, "Server", "VLC Server" );
1546 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1547 httpd_MsgAdd( answer, "Cseq", "%d", atoi( httpd_MsgGet( query, "Cseq" ) ) );
1548 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1552 httpd_MsgAdd( answer, "Session", "%s;timeout=5", psz_session );
1557 static int RtspCallbackId( httpd_callback_sys_t *p_args,
1559 httpd_message_t *answer, httpd_message_t *query )
1561 sout_stream_id_t *id = (sout_stream_id_t*)p_args;
1562 sout_stream_t *p_stream = id->p_stream;
1563 sout_stream_sys_t *p_sys = p_stream->p_sys;
1564 char *psz_session = NULL;
1566 if( answer == NULL || query == NULL )
1570 fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
1572 answer->i_proto = HTTPD_PROTO_RTSP;
1573 answer->i_version= query->i_version;
1574 answer->i_type = HTTPD_MSG_ANSWER;
1576 switch( query->i_type )
1578 case HTTPD_MSG_SETUP:
1580 char *psz_transport = httpd_MsgGet( query, "Transport" );
1582 fprintf( stderr, "HTTPD_MSG_SETUP: transport=%s\n", psz_transport );
1584 if( strstr( psz_transport, "multicast" ) && id->psz_destination )
1586 fprintf( stderr, "HTTPD_MSG_SETUP: multicast\n" );
1587 answer->i_status = 200;
1588 answer->psz_status = strdup( "OK" );
1590 answer->p_body = NULL;
1591 psz_session = httpd_MsgGet( query, "Session" );
1592 if( *psz_session == 0 )
1594 psz_session = malloc( 100 );
1595 sprintf( psz_session, "%d", rand() );
1597 httpd_MsgAdd( answer, "Transport",
1598 "RTP/AVP/UDP;destination=%s;port=%d-%d;ttl=%d",
1599 id->psz_destination, id->i_port,id->i_port+1, p_sys->i_ttl );
1601 else if( strstr( psz_transport, "unicast" ) && strstr( psz_transport, "client_port=" ) )
1603 int i_port = atoi( strstr( psz_transport, "client_port=" ) + strlen("client_port=") );
1604 char *ip = httpd_ClientIP( cl );
1606 char psz_access[100];
1609 sout_access_out_t *p_access;
1611 rtsp_client_t *rtsp = NULL;
1615 answer->i_status = 400;
1616 answer->psz_status = strdup( "Internal server error" );
1618 answer->p_body = NULL;
1622 fprintf( stderr, "HTTPD_MSG_SETUP: unicast ip=%s port=%d\n",
1625 psz_session = httpd_MsgGet( query, "Session" );
1626 if( *psz_session == 0 )
1628 psz_session = malloc( 100 );
1629 sprintf( psz_session, "%d", rand() );
1631 rtsp = RtspClientNew( p_stream, psz_session );
1635 rtsp = RtspClientGet( p_stream, psz_session );
1638 /* FIXME right error code */
1639 answer->i_status = 400;
1640 answer->psz_status = strdup( "Unknown session id" );
1642 answer->p_body = NULL;
1648 /* first try to create the access out */
1649 if( p_sys->i_ttl > 0 )
1650 sprintf( psz_access, "udp{raw,ttl=%d}", p_sys->i_ttl );
1652 sprintf( psz_access, "udp{raw}" );
1653 sprintf( psz_url, "%s:%d", ip, i_port );
1656 if( ( p_access = sout_AccessOutNew( p_stream->p_sout, psz_access, psz_url ) ) == NULL )
1658 msg_Err( p_stream, "cannot create the access out for %s://%s",
1659 psz_access, psz_url );
1660 answer->i_status = 400;
1661 answer->psz_status = strdup( "Server internal error" );
1663 answer->p_body = NULL;
1667 TAB_APPEND( rtsp->i_id, rtsp->id, id );
1668 TAB_APPEND( rtsp->i_access, rtsp->access, p_access );
1670 answer->i_status = 200;
1671 answer->psz_status = strdup( "OK" );
1673 answer->p_body = NULL;
1675 httpd_MsgAdd( answer, "Transport",
1676 "RTP/AVP/UDP;client_port=%d-%d", i_port, i_port + 1 );
1678 else /* TODO strstr( psz_transport, "interleaved" ) ) */
1680 answer->i_status = 400;
1681 answer->psz_status = strdup( "Bad Request" );
1683 answer->p_body = NULL;
1689 return VLC_EGENERIC;
1691 httpd_MsgAdd( answer, "Server", "VLC Server" );
1692 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1693 httpd_MsgAdd( answer, "Cseq", "%d", atoi( httpd_MsgGet( query, "Cseq" ) ) );
1694 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1698 httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
1703 /****************************************************************************
1705 ****************************************************************************/
1706 static void rtp_packetize_common( sout_stream_id_t *id, block_t *out,
1707 int b_marker, int64_t i_pts )
1709 uint32_t i_timestamp = i_pts * (int64_t)id->i_clock_rate / I64C(1000000);
1711 out->p_buffer[0] = 0x80;
1712 out->p_buffer[1] = (b_marker?0x80:0x00)|id->i_payload_type;
1713 out->p_buffer[2] = ( id->i_sequence >> 8)&0xff;
1714 out->p_buffer[3] = ( id->i_sequence )&0xff;
1715 out->p_buffer[4] = ( i_timestamp >> 24 )&0xff;
1716 out->p_buffer[5] = ( i_timestamp >> 16 )&0xff;
1717 out->p_buffer[6] = ( i_timestamp >> 8 )&0xff;
1718 out->p_buffer[7] = ( i_timestamp )&0xff;
1720 out->p_buffer[ 8] = id->ssrc[0];
1721 out->p_buffer[ 9] = id->ssrc[1];
1722 out->p_buffer[10] = id->ssrc[2];
1723 out->p_buffer[11] = id->ssrc[3];
1729 static void rtp_packetize_send( sout_stream_id_t *id, block_t *out )
1732 vlc_mutex_lock( &id->lock_rtsp );
1733 for( i = 0; i < id->i_rtsp_access; i++ )
1735 sout_AccessOutWrite( id->rtsp_access[i], block_Duplicate( out ) );
1737 vlc_mutex_unlock( &id->lock_rtsp );
1741 sout_AccessOutWrite( id->p_access, out );
1745 block_Release( out );
1749 static int rtp_packetize_mpa( sout_stream_t *p_stream, sout_stream_id_t *id,
1752 int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
1753 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1755 uint8_t *p_data = in->p_buffer;
1756 int i_data = in->i_buffer;
1759 for( i = 0; i < i_count; i++ )
1761 int i_payload = __MIN( i_max, i_data );
1762 block_t *out = block_New( p_stream, 16 + i_payload );
1764 /* rtp common header */
1765 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
1767 out->p_buffer[12] = 0;
1768 out->p_buffer[13] = 0;
1769 /* fragment offset in the current frame */
1770 out->p_buffer[14] = ( (i*i_max) >> 8 )&0xff;
1771 out->p_buffer[15] = ( (i*i_max) )&0xff;
1772 memcpy( &out->p_buffer[16], p_data, i_payload );
1774 out->i_buffer = 16 + i_payload;
1775 out->i_dts = in->i_dts + i * in->i_length / i_count;
1776 out->i_length = in->i_length / i_count;
1778 rtp_packetize_send( id, out );
1780 p_data += i_payload;
1781 i_data -= i_payload;
1788 static int rtp_packetize_mpv( sout_stream_t *p_stream, sout_stream_id_t *id,
1791 int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
1792 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1794 uint8_t *p_data = in->p_buffer;
1795 int i_data = in->i_buffer;
1797 int b_sequence_start = 0;
1798 int i_temporal_ref = 0;
1799 int i_picture_coding_type = 0;
1800 int i_fbv = 0, i_bfc = 0, i_ffv = 0, i_ffc = 0;
1801 int b_start_slice = 0;
1803 /* preparse this packet to get some info */
1804 if( in->i_buffer > 4 )
1806 uint8_t *p = p_data;
1807 int i_rest = in->i_buffer;
1811 while( i_rest > 4 &&
1812 ( p[0] != 0x00 || p[1] != 0x00 || p[2] != 0x01 ) )
1826 /* sequence start code */
1827 b_sequence_start = 1;
1829 else if( *p == 0x00 && i_rest >= 4 )
1832 i_temporal_ref = ( p[1] << 2) |((p[2]>>6)&0x03);
1833 i_picture_coding_type = (p[2] >> 3)&0x07;
1835 if( i_rest >= 4 && ( i_picture_coding_type == 2 ||
1836 i_picture_coding_type == 3 ) )
1838 i_ffv = (p[3] >> 2)&0x01;
1839 i_ffc = ((p[3]&0x03) << 1)|((p[4]>>7)&0x01);
1840 if( i_rest > 4 && i_picture_coding_type == 3 )
1842 i_fbv = (p[4]>>6)&0x01;
1843 i_bfc = (p[4]>>3)&0x07;
1847 else if( *p <= 0xaf )
1854 for( i = 0; i < i_count; i++ )
1856 int i_payload = __MIN( i_max, i_data );
1857 block_t *out = block_New( p_stream,
1859 uint32_t h = ( i_temporal_ref << 16 )|
1860 ( b_sequence_start << 13 )|
1861 ( b_start_slice << 12 )|
1862 ( i == i_count - 1 ? 1 << 11 : 0 )|
1863 ( i_picture_coding_type << 8 )|
1864 ( i_fbv << 7 )|( i_bfc << 4 )|( i_ffv << 3 )|i_ffc;
1866 /* rtp common header */
1867 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
1868 in->i_pts > 0 ? in->i_pts : in->i_dts );
1870 /* 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 */
1871 out->p_buffer[12] = ( h >> 24 )&0xff;
1872 out->p_buffer[13] = ( h >> 16 )&0xff;
1873 out->p_buffer[14] = ( h >> 8 )&0xff;
1874 out->p_buffer[15] = ( h )&0xff;
1876 memcpy( &out->p_buffer[16], p_data, i_payload );
1878 out->i_buffer = 16 + i_payload;
1879 out->i_dts = in->i_dts + i * in->i_length / i_count;
1880 out->i_length = in->i_length / i_count;
1882 rtp_packetize_send( id, out );
1884 p_data += i_payload;
1885 i_data -= i_payload;
1890 static int rtp_packetize_ac3( sout_stream_t *p_stream, sout_stream_id_t *id,
1893 int i_max = id->i_mtu - 12 - 2; /* payload max in one packet */
1894 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1896 uint8_t *p_data = in->p_buffer;
1897 int i_data = in->i_buffer;
1900 for( i = 0; i < i_count; i++ )
1902 int i_payload = __MIN( i_max, i_data );
1903 block_t *out = block_New( p_stream, 14 + i_payload );
1905 /* rtp common header */
1906 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
1908 out->p_buffer[12] = 1;
1910 out->p_buffer[13] = 0x00;
1912 memcpy( &out->p_buffer[14], p_data, i_payload );
1914 out->i_buffer = 14 + i_payload;
1915 out->i_dts = in->i_dts + i * in->i_length / i_count;
1916 out->i_length = in->i_length / i_count;
1918 rtp_packetize_send( id, out );
1920 p_data += i_payload;
1921 i_data -= i_payload;
1927 static int rtp_packetize_split( sout_stream_t *p_stream, sout_stream_id_t *id,
1930 int i_max = id->i_mtu - 12; /* payload max in one packet */
1931 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1933 uint8_t *p_data = in->p_buffer;
1934 int i_data = in->i_buffer;
1937 for( i = 0; i < i_count; i++ )
1939 int i_payload = __MIN( i_max, i_data );
1940 block_t *out = block_New( p_stream, 12 + i_payload );
1942 /* rtp common header */
1943 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
1944 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
1945 memcpy( &out->p_buffer[12], p_data, i_payload );
1947 out->i_buffer = 12 + i_payload;
1948 out->i_dts = in->i_dts + i * in->i_length / i_count;
1949 out->i_length = in->i_length / i_count;
1951 rtp_packetize_send( id, out );
1953 p_data += i_payload;
1954 i_data -= i_payload;
1960 static int rtp_packetize_l16( sout_stream_t *p_stream, sout_stream_id_t *id,
1963 int i_max = id->i_mtu - 12; /* payload max in one packet */
1964 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1966 uint8_t *p_data = in->p_buffer;
1967 int i_data = in->i_buffer;
1972 int i_payload = (__MIN( i_max, i_data )/4)*4;
1973 block_t *out = block_New( p_stream, 12 + i_payload );
1975 /* rtp common header */
1976 rtp_packetize_common( id, out, 0,
1977 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
1978 memcpy( &out->p_buffer[12], p_data, i_payload );
1980 out->i_buffer = 12 + i_payload;
1981 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
1982 out->i_length = in->i_length / i_count;
1984 rtp_packetize_send( id, out );
1986 p_data += i_payload;
1987 i_data -= i_payload;
1994 static int rtp_packetize_l8( sout_stream_t *p_stream, sout_stream_id_t *id,
1997 int i_max = id->i_mtu - 12; /* payload max in one packet */
1998 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2000 uint8_t *p_data = in->p_buffer;
2001 int i_data = in->i_buffer;
2006 int i_payload = (__MIN( i_max, i_data )/2)*2;
2007 block_t *out = block_New( p_stream, 12 + i_payload );
2009 /* rtp common header */
2010 rtp_packetize_common( id, out, 0,
2011 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2012 memcpy( &out->p_buffer[12], p_data, i_payload );
2014 out->i_buffer = 12 + i_payload;
2015 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
2016 out->i_length = in->i_length / i_count;
2018 rtp_packetize_send( id, out );
2020 p_data += i_payload;
2021 i_data -= i_payload;
2027 static int rtp_packetize_mp4a( sout_stream_t *p_stream, sout_stream_id_t *id,
2030 int i_max = id->i_mtu - 16; /* payload max in one packet */
2031 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2033 uint8_t *p_data = in->p_buffer;
2034 int i_data = in->i_buffer;
2037 for( i = 0; i < i_count; i++ )
2039 int i_payload = __MIN( i_max, i_data );
2040 block_t *out = block_New( p_stream, 16 + i_payload );
2042 /* rtp common header */
2043 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2044 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2046 /* AU headers length (bits) */
2047 out->p_buffer[12] = 0;
2048 out->p_buffer[13] = 2*8;
2049 /* for each AU length 13 bits + idx 3bits, */
2050 out->p_buffer[14] = ( in->i_buffer >> 5 )&0xff;
2051 out->p_buffer[15] = ( (in->i_buffer&0xff)<<3 )|0;
2053 memcpy( &out->p_buffer[16], p_data, i_payload );
2055 out->i_buffer = 16 + i_payload;
2056 out->i_dts = in->i_dts + i * in->i_length / i_count;
2057 out->i_length = in->i_length / i_count;
2059 rtp_packetize_send( id, out );
2061 p_data += i_payload;
2062 i_data -= i_payload;
2070 #define RTP_H263_HEADER_SIZE (2) // plen = 0
2071 #define RTP_H263_PAYLOAD_START (14) // plen = 0
2072 static int rtp_packetize_h263( sout_stream_t *p_stream, sout_stream_id_t *id,
2075 uint8_t *p_data = in->p_buffer;
2076 int i_data = in->i_buffer;
2078 int i_max = id->i_mtu - 12 - RTP_H263_HEADER_SIZE; /* payload max in one packet */
2081 int b_v_bit = 0; // no pesky error resilience
2082 int i_plen = 0; // normally plen=0 for PSC packet
2083 int i_pebit = 0; // because plen=0
2088 return VLC_EGENERIC;
2090 if( p_data[0] || p_data[1] )
2092 return VLC_EGENERIC;
2094 /* remove 2 leading 0 bytes */
2097 i_count = ( i_data + i_max - 1 ) / i_max;
2099 for( i = 0; i < i_count; i++ )
2101 int i_payload = __MIN( i_max, i_data );
2102 block_t *out = block_New( p_stream,
2103 RTP_H263_PAYLOAD_START + i_payload );
2104 b_p_bit = (i == 0) ? 1 : 0;
2105 h = ( b_p_bit << 10 )|
2110 /* rtp common header */
2111 //b_m_bit = 1; // always contains end of frame
2112 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
2113 in->i_pts > 0 ? in->i_pts : in->i_dts );
2116 out->p_buffer[12] = ( h >> 8 )&0xff;
2117 out->p_buffer[13] = ( h )&0xff;
2118 memcpy( &out->p_buffer[RTP_H263_PAYLOAD_START], p_data, i_payload );
2120 out->i_buffer = RTP_H263_PAYLOAD_START + i_payload;
2121 out->i_dts = in->i_dts + i * in->i_length / i_count;
2122 out->i_length = in->i_length / i_count;
2124 rtp_packetize_send( id, out );
2126 p_data += i_payload;
2127 i_data -= i_payload;
2133 static int rtp_packetize_amr( sout_stream_t *p_stream, sout_stream_id_t *id,
2136 int i_max = id->i_mtu - 14; /* payload max in one packet */
2137 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2139 uint8_t *p_data = in->p_buffer;
2140 int i_data = in->i_buffer;
2143 /* Only supports octet-aligned mode */
2144 for( i = 0; i < i_count; i++ )
2146 int i_payload = __MIN( i_max, i_data );
2147 block_t *out = block_New( p_stream, 14 + i_payload );
2149 /* rtp common header */
2150 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2151 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2152 /* Payload header */
2153 out->p_buffer[12] = 0xF0; /* CMR */
2154 out->p_buffer[13] = 0x00; /* ToC */ /* FIXME: frame type */
2156 /* FIXME: are we fed multiple frames ? */
2157 memcpy( &out->p_buffer[14], p_data, i_payload );
2159 out->i_buffer = 14 + i_payload;
2160 out->i_dts = in->i_dts + i * in->i_length / i_count;
2161 out->i_length = in->i_length / i_count;
2163 rtp_packetize_send( id, out );
2165 p_data += i_payload;
2166 i_data -= i_payload;