1 /*****************************************************************************
2 * rtp.c: rtp stream output module
3 *****************************************************************************
4 * Copyright (C) 2003-2004 VideoLAN
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_description( _("RTP stream output") );
88 set_capability( "sout stream", 0 );
89 add_shortcut( "rtp" );
90 set_category( CAT_SOUT );
91 set_subcategory( SUBCAT_SOUT_STREAM );
93 add_string( SOUT_CFG_PREFIX "dst", "", NULL, DST_TEXT,
94 DST_LONGTEXT, VLC_TRUE );
95 add_string( SOUT_CFG_PREFIX "sdp", "", NULL, SDP_TEXT,
96 SDP_LONGTEXT, VLC_TRUE );
97 add_string( SOUT_CFG_PREFIX "mux", "", NULL, MUX_TEXT,
98 MUX_LONGTEXT, VLC_TRUE );
100 add_string( SOUT_CFG_PREFIX "name", "NONE", NULL, NAME_TEXT,
101 NAME_LONGTEXT, VLC_TRUE );
102 add_string( SOUT_CFG_PREFIX "description", "", NULL, DESC_TEXT,
103 DESC_LONGTEXT, VLC_TRUE );
104 add_string( SOUT_CFG_PREFIX "url", "", NULL, URL_TEXT,
105 URL_LONGTEXT, VLC_TRUE );
106 add_string( SOUT_CFG_PREFIX "email", "", NULL, EMAIL_TEXT,
107 EMAIL_LONGTEXT, VLC_TRUE );
109 add_integer( SOUT_CFG_PREFIX "port-audio", 1234, NULL, PORT_AUDIO_TEXT,
110 PORT_LONGTEXT, VLC_TRUE );
111 add_integer( SOUT_CFG_PREFIX "port-video", 1236, NULL, PORT_VIDEO_TEXT,
112 PORT_LONGTEXT, VLC_TRUE );
113 add_integer( SOUT_CFG_PREFIX "port", 1238, NULL, PORT_TEXT,
114 PORT_LONGTEXT, VLC_TRUE );
116 add_integer( SOUT_CFG_PREFIX "ttl", 0, NULL, TTL_TEXT,
117 TTL_LONGTEXT, VLC_TRUE );
119 set_callbacks( Open, Close );
122 /*****************************************************************************
123 * Exported prototypes
124 *****************************************************************************/
125 static const char *ppsz_sout_options[] = {
126 "dst", "name", "port", "port-audio", "port-video", "*sdp", "ttl", "mux",
127 "description", "url","email", NULL
130 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
131 static int Del ( sout_stream_t *, sout_stream_id_t * );
132 static int Send( sout_stream_t *, sout_stream_id_t *,
135 /* For unicast/interleaved streaming */
139 int64_t i_last; /* for timeout */
141 /* is it in "play" state */
142 vlc_bool_t b_playing;
144 /* output (id-access) */
146 sout_stream_id_t **id;
148 sout_access_out_t **access;
151 struct sout_stream_sys_t
157 vlc_mutex_t lock_sdp;
159 char *psz_session_name;
160 char *psz_session_description;
161 char *psz_session_url;
162 char *psz_session_email;
165 vlc_bool_t b_export_sdp_file;
168 vlc_bool_t b_export_sap;
169 session_descriptor_t *p_session;
171 httpd_host_t *p_httpd_host;
172 httpd_file_t *p_httpd_file;
174 httpd_host_t *p_rtsp_host;
175 httpd_url_t *p_rtsp_url;
176 char *psz_rtsp_control;
180 char *psz_destination;
186 /* when need to use a private one or when using muxer */
189 /* in case we do TS/PS over rtp */
191 sout_access_out_t *p_access;
193 sout_access_out_t *p_grab;
195 uint32_t i_timestamp_start;
202 sout_stream_id_t **es;
206 rtsp_client_t **rtsp;
209 typedef int (*pf_rtp_packetizer_t)( sout_stream_t *, sout_stream_id_t *,
212 struct sout_stream_id_t
214 sout_stream_t *p_stream;
216 uint8_t i_payload_type;
218 uint32_t i_timestamp_start;
225 char *psz_destination;
229 /* Packetizer specific fields */
230 pf_rtp_packetizer_t pf_packetize;
233 /* for sending the packets */
234 sout_access_out_t *p_access;
236 vlc_mutex_t lock_rtsp;
238 sout_access_out_t **rtsp_access;
241 sout_input_t *p_input;
243 /* RTSP url control */
244 httpd_url_t *p_rtsp_url;
247 static int AccessOutGrabberWrite( sout_access_out_t *, block_t * );
249 static void SDPHandleUrl( sout_stream_t *, char * );
251 static int SapSetup( sout_stream_t *p_stream );
252 static int FileSetup( sout_stream_t *p_stream );
253 static int HttpSetup( sout_stream_t *p_stream, vlc_url_t * );
254 static int RtspSetup( sout_stream_t *p_stream, vlc_url_t * );
256 static int RtspCallback( httpd_callback_sys_t *, httpd_client_t *,
257 httpd_message_t *, httpd_message_t * );
258 static int RtspCallbackId( httpd_callback_sys_t *, httpd_client_t *,
259 httpd_message_t *, httpd_message_t * );
262 static rtsp_client_t *RtspClientNew( sout_stream_t *, char *psz_session );
263 static rtsp_client_t *RtspClientGet( sout_stream_t *, char *psz_session );
264 static void RtspClientDel( sout_stream_t *, rtsp_client_t * );
266 /*****************************************************************************
268 *****************************************************************************/
269 static int Open( vlc_object_t *p_this )
271 sout_stream_t *p_stream = (sout_stream_t*)p_this;
272 sout_instance_t *p_sout = p_stream->p_sout;
273 sout_stream_sys_t *p_sys;
276 sout_CfgParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options, p_stream->p_cfg );
278 p_sys = malloc( sizeof( sout_stream_sys_t ) );
280 p_sys->psz_destination = var_GetString( p_stream, SOUT_CFG_PREFIX "dst" );
281 if( *p_sys->psz_destination == '\0' )
283 free( p_sys->psz_destination );
284 p_sys->psz_destination = NULL;
287 p_sys->psz_session_name = var_GetString( p_stream, SOUT_CFG_PREFIX "name" );
288 p_sys->psz_session_description = var_GetString( p_stream, SOUT_CFG_PREFIX "description" );
289 p_sys->psz_session_url = var_GetString( p_stream, SOUT_CFG_PREFIX "url" );
290 p_sys->psz_session_email = var_GetString( p_stream, SOUT_CFG_PREFIX "email" );
292 p_sys->i_port = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port" );
293 p_sys->i_port_audio = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port-audio" );
294 p_sys->i_port_video = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port-video" );
296 p_sys->psz_sdp_file = NULL;
298 if( p_sys->i_port_audio == p_sys->i_port_video )
300 msg_Err( p_stream, "audio and video port cannot be the same" );
301 p_sys->i_port_audio = 0;
302 p_sys->i_port_video = 0;
305 if( !p_sys->psz_session_name )
307 if( p_sys->psz_destination )
308 p_sys->psz_session_name = strdup( p_sys->psz_destination );
310 p_sys->psz_session_name = strdup( "NONE" );
313 if( !p_sys->psz_destination || *p_sys->psz_destination == '\0' )
316 vlc_bool_t b_ok = VLC_FALSE;
318 for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
320 if( !strcmp( p_cfg->psz_name, "sdp" ) )
322 if( p_cfg->psz_value && !strncasecmp( p_cfg->psz_value, "rtsp", 4 ) )
332 var_Get( p_stream, SOUT_CFG_PREFIX "sdp", &val2 );
333 if( !strncasecmp( val2.psz_string, "rtsp", 4 ) )
335 free( val2.psz_string );
340 msg_Err( p_stream, "missing destination and not in rtsp mode" );
344 p_sys->psz_destination = NULL;
346 else if( p_sys->i_port <= 0 )
348 msg_Err( p_stream, "invalid port" );
353 var_Get( p_stream, SOUT_CFG_PREFIX "ttl", &val );
354 p_sys->i_ttl = val.i_int;
356 p_sys->i_payload_type = 96;
361 p_sys->psz_sdp = NULL;
363 p_sys->i_sdp_id = mdate();
364 p_sys->i_sdp_version = 1;
365 p_sys->psz_sdp = NULL;
367 p_sys->b_export_sap = VLC_FALSE;
368 p_sys->b_export_sdp_file = VLC_FALSE;
369 p_sys->p_session = NULL;
371 p_sys->p_httpd_host = NULL;
372 p_sys->p_httpd_file = NULL;
373 p_sys->p_rtsp_host = NULL;
374 p_sys->p_rtsp_url = NULL;
375 p_sys->psz_rtsp_control = NULL;
376 p_sys->psz_rtsp_path = NULL;
378 vlc_mutex_init( p_stream, &p_sys->lock_sdp );
379 vlc_mutex_init( p_stream, &p_sys->lock_es );
381 p_stream->pf_add = Add;
382 p_stream->pf_del = Del;
383 p_stream->pf_send = Send;
385 p_stream->p_sys = p_sys;
387 var_Get( p_stream, SOUT_CFG_PREFIX "mux", &val );
388 if( *val.psz_string )
390 sout_access_out_t *p_grab;
394 char url[p_sys->psz_destination ? strlen( p_sys->psz_destination ) + 1 + 12+1 : 14];
396 /* Check muxer type */
397 if( !strncasecmp( val.psz_string, "ps", 2 ) || !strncasecmp( val.psz_string, "mpeg1", 5 ) )
399 psz_rtpmap = "MP2P/90000";
401 else if( !strncasecmp( val.psz_string, "ts", 2 ) )
403 psz_rtpmap = "MP2T/90000";
404 p_sys->i_payload_type = 33;
408 msg_Err( p_stream, "unsupported muxer type with rtp (only ts/ps)" );
412 /* create the access out */
413 if( p_sys->i_ttl > 0 )
415 sprintf( access, "udp{raw,ttl=%d}", p_sys->i_ttl );
419 sprintf( access, "udp{raw}" );
421 sprintf( url, "%s:%d", p_sys->psz_destination, p_sys->i_port );
422 if( !( p_sys->p_access = sout_AccessOutNew( p_sout, access, url ) ) )
424 msg_Err( p_stream, "cannot create the access out for %s://%s",
429 p_sys->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beurk */
430 if( p_sys->i_mtu <= 16 )
432 /* better than nothing */
436 /* the access out grabber TODO export it as sout_AccessOutGrabberNew */
437 p_grab = p_sys->p_grab =
438 vlc_object_create( p_sout, sizeof( sout_access_out_t ) );
439 p_grab->p_module = NULL;
440 p_grab->p_sout = p_sout;
441 p_grab->psz_access = strdup( "grab" );
442 p_grab->p_cfg = NULL;
443 p_grab->psz_name = strdup( "" );
444 p_grab->p_sys = (sout_access_out_sys_t*)p_stream;
445 p_grab->pf_seek = NULL;
446 p_grab->pf_write = AccessOutGrabberWrite;
449 if( !( p_sys->p_mux = sout_MuxNew( p_sout, val.psz_string, p_sys->p_grab ) ) )
451 msg_Err( p_stream, "cannot create the muxer (%s)", val.psz_string );
452 sout_AccessOutDelete( p_sys->p_grab );
453 sout_AccessOutDelete( p_sys->p_access );
458 /* create the SDP for a muxed stream (only once) */
459 /* FIXME http://www.faqs.org/rfcs/rfc2327.html
460 All text fields should be UTF-8 encoded. Use global a:charset to announce this.
461 o= - should be local username (no spaces allowed)
462 o= time should be hashed with some other value to garantue uniqueness
463 o= we need IP6 support?
464 o= don't use the localhost address. use fully qualified domain name or IP4 address
465 p= international phone number (pass via vars?)
467 c= /ttl should only be added in case of multicast
468 a= recvonly (missing)
469 a= type:broadcast (missing)
470 a= charset: (normally charset should be UTF-8, this can be used to override s= and i=)
471 a= x-plgroup: (missing)
472 RTP packets need to get the correct src IP address */
474 malloc( 10 + 30 + 10 + strlen( p_sys->psz_session_name ) +
475 10 + strlen( p_sys->psz_session_description ) + 10 + strlen( p_sys->psz_session_url ) +
476 10 + strlen( p_sys->psz_session_email ) + 10 + strlen( p_sys->psz_destination ) +
477 10 + 10 + strlen( PACKAGE_STRING ) +
478 20 + 10 + 20 + 10 + strlen( psz_rtpmap ) );
479 sprintf( p_sys->psz_sdp,
481 "o=- "I64Fd" %d IN IP4 127.0.0.1\r\n"
486 "t=0 0\r\n" /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
487 "a=tool:"PACKAGE_STRING"\r\n"
489 "m=video %d RTP/AVP %d\r\n"
490 "a=rtpmap:%d %s\r\n",
491 p_sys->i_sdp_id, p_sys->i_sdp_version,
492 p_sys->psz_session_name,
493 p_sys->psz_session_description,
494 p_sys->psz_session_url,
495 p_sys->psz_session_email,
496 p_sys->psz_destination, p_sys->i_ttl,
497 p_sys->i_port, p_sys->i_payload_type,
498 p_sys->i_payload_type, psz_rtpmap );
499 fprintf( stderr, "sdp=%s", p_sys->psz_sdp );
501 /* create the rtp context */
502 p_sys->ssrc[0] = rand()&0xff;
503 p_sys->ssrc[1] = rand()&0xff;
504 p_sys->ssrc[2] = rand()&0xff;
505 p_sys->ssrc[3] = rand()&0xff;
506 p_sys->i_sequence = rand()&0xffff;
507 p_sys->i_timestamp_start = rand()&0xffffffff;
508 p_sys->packet = NULL;
513 p_sys->p_access = NULL;
514 p_sys->p_grab = NULL;
516 free( val.psz_string );
519 var_Get( p_stream, SOUT_CFG_PREFIX "sdp", &val );
520 if( *val.psz_string )
524 SDPHandleUrl( p_stream, val.psz_string );
526 for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
528 if( !strcmp( p_cfg->psz_name, "sdp" ) )
530 if( p_cfg->psz_value == NULL || *p_cfg->psz_value == '\0' )
533 if( !strcmp( p_cfg->psz_value, val.psz_string ) ) /* needed both :sout-rtp-sdp= and rtp{sdp=} can be used */
536 SDPHandleUrl( p_stream, p_cfg->psz_value );
540 free( val.psz_string );
542 /* update p_sout->i_out_pace_nocontrol */
543 p_stream->p_sout->i_out_pace_nocontrol++;
548 /*****************************************************************************
550 *****************************************************************************/
551 static void Close( vlc_object_t * p_this )
553 sout_stream_t *p_stream = (sout_stream_t*)p_this;
554 sout_stream_sys_t *p_sys = p_stream->p_sys;
556 /* update p_sout->i_out_pace_nocontrol */
557 p_stream->p_sout->i_out_pace_nocontrol--;
561 sout_MuxDelete( p_sys->p_mux );
562 sout_AccessOutDelete( p_sys->p_access );
563 sout_AccessOutDelete( p_sys->p_grab );
566 block_Release( p_sys->packet );
570 while( p_sys->i_rtsp > 0 )
572 RtspClientDel( p_stream, p_sys->rtsp[0] );
575 vlc_mutex_destroy( &p_sys->lock_sdp );
577 if( p_sys->p_httpd_file )
579 httpd_FileDelete( p_sys->p_httpd_file );
581 if( p_sys->p_httpd_host )
583 httpd_HostDelete( p_sys->p_httpd_host );
585 if( p_sys->p_rtsp_url )
587 httpd_UrlDelete( p_sys->p_rtsp_url );
589 if( p_sys->p_rtsp_host )
591 httpd_HostDelete( p_sys->p_rtsp_host );
594 /* why? is this disabled? */
595 if( p_sys->psz_session_name )
597 free( p_sys->psz_session_name );
598 p_sys->psz_session_name = NULL;
600 if( p_sys->psz_session_description )
602 free( p_sys->psz_session_description );
603 p_sys->psz_session_description = NULL;
605 if( p_sys->psz_session_url )
607 free( p_sys->psz_session_url );
608 p_sys->psz_session_url = NULL;
610 if( p_sys->psz_session_email )
612 free( p_sys->psz_session_email );
613 p_sys->psz_session_email = NULL;
618 free( p_sys->psz_sdp );
623 /*****************************************************************************
625 *****************************************************************************/
626 static void SDPHandleUrl( sout_stream_t *p_stream, char *psz_url )
628 sout_stream_sys_t *p_sys = p_stream->p_sys;
631 vlc_UrlParse( &url, psz_url, 0 );
632 if( url.psz_protocol && !strcasecmp( url.psz_protocol, "http" ) )
634 if( p_sys->p_httpd_file )
636 msg_Err( p_stream, "You can used sdp=http:// only once" );
640 if( HttpSetup( p_stream, &url ) )
642 msg_Err( p_stream, "cannot export sdp as http" );
645 else if( url.psz_protocol && !strcasecmp( url.psz_protocol, "rtsp" ) )
647 if( p_sys->p_rtsp_url )
649 msg_Err( p_stream, "You can used sdp=rtsp:// only once" );
653 /* FIXME test if destination is multicast or no destination at all FIXME */
654 if( RtspSetup( p_stream, &url ) )
656 msg_Err( p_stream, "cannot export sdp as rtsp" );
659 else if( ( url.psz_protocol && !strcasecmp( url.psz_protocol, "sap" ) ) ||
660 ( url.psz_host && !strcasecmp( url.psz_host, "sap" ) ) )
662 p_sys->b_export_sap = VLC_TRUE;
663 SapSetup( p_stream );
665 else if( url.psz_protocol && !strcasecmp( url.psz_protocol, "file" ) )
667 if( p_sys->b_export_sdp_file )
669 msg_Err( p_stream, "You can used sdp=file:// only once" );
672 p_sys->b_export_sdp_file = VLC_TRUE;
673 psz_url = &psz_url[5];
674 if( psz_url[0] == '/' && psz_url[1] == '/' )
676 p_sys->psz_sdp_file = strdup( psz_url );
680 msg_Warn( p_stream, "unknown protocol for SDP (%s)",
683 vlc_UrlClean( &url );
686 /*****************************************************************************
688 *****************************************************************************/
689 /* FIXME http://www.faqs.org/rfcs/rfc2327.html
690 All text fields should be UTF-8 encoded. Use global a:charset to announce this.
691 o= - should be local username (no spaces allowed)
692 o= time should be hashed with some other value to garantue uniqueness
693 o= we need IP6 support?
694 o= don't use the localhost address. use fully qualified domain name or IP4 address
695 p= international phone number (pass via vars?)
697 c= /ttl should only be added in case of multicast
698 a= recvonly (missing)
699 a= type:broadcast (missing)
700 a= charset: (normally charset should be UTF-8, this can be used to override s= and i=)
701 a= x-plgroup: (missing)
702 RTP packets need to get the correct src IP address */
703 static char *SDPGenerate( sout_stream_t *p_stream, char *psz_destination, vlc_bool_t b_rtsp )
705 sout_stream_sys_t *p_sys = p_stream->p_sys;
710 i_size = strlen( "v=0\r\n" ) +
711 strlen( "o=- * * IN IP4 127.0.0.1\r\n" ) + 10 + 10 +
712 strlen( "s=*\r\n" ) + strlen( p_sys->psz_session_name ) +
713 strlen( "i=*\r\n" ) + strlen( p_sys->psz_session_description ) +
714 strlen( "u=*\r\n" ) + strlen( p_sys->psz_session_url ) +
715 strlen( "e=*\r\n" ) + strlen( p_sys->psz_session_email ) +
716 strlen( "t=0 0\r\n" ) + /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
717 strlen( "a=tool:"PACKAGE_STRING"\r\n" ) +
718 strlen( "c=IN IP4 */*\r\n" ) + 20 + 10 +
719 strlen( psz_destination ? psz_destination : "0.0.0.0") ;
720 for( i = 0; i < p_sys->i_es; i++ )
722 sout_stream_id_t *id = p_sys->es[i];
724 i_size += strlen( "m=**d*o * RTP/AVP *\r\n" ) + 10 + 10;
727 i_size += strlen( "a=rtpmap:* *\r\n" ) + strlen( id->psz_rtpmap )+10;
731 i_size += strlen( "a=fmtp:* *\r\n" ) + strlen( id->psz_fmtp ) + 10;
735 i_size += strlen( "a=control:*/trackid=*\r\n" ) + strlen( p_sys->psz_rtsp_control ) + 10;
739 p = psz_sdp = malloc( i_size );
740 p += sprintf( p, "v=0\r\n" );
741 p += sprintf( p, "o=- "I64Fd" %d IN IP4 127.0.0.1\r\n",
742 p_sys->i_sdp_id, p_sys->i_sdp_version );
743 if( *p_sys->psz_session_name )
744 p += sprintf( p, "s=%s\r\n", p_sys->psz_session_name );
745 if( *p_sys->psz_session_description )
746 p += sprintf( p, "i=%s\r\n", p_sys->psz_session_description );
747 if( *p_sys->psz_session_url )
748 p += sprintf( p, "u=%s\r\n", p_sys->psz_session_url );
749 if( *p_sys->psz_session_email )
750 p += sprintf( p, "e=%s\r\n", p_sys->psz_session_email );
752 p += sprintf( p, "t=0 0\r\n" ); /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
753 p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" );
755 p += sprintf( p, "c=IN IP4 %s/%d\r\n", psz_destination ? psz_destination : "0.0.0.0",
758 for( i = 0; i < p_sys->i_es; i++ )
760 sout_stream_id_t *id = p_sys->es[i];
762 if( id->i_cat == AUDIO_ES )
764 p += sprintf( p, "m=audio %d RTP/AVP %d\r\n",
765 id->i_port, id->i_payload_type );
767 else if( id->i_cat == VIDEO_ES )
769 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
770 id->i_port, id->i_payload_type );
778 p += sprintf( p, "a=rtpmap:%d %s\r\n", id->i_payload_type,
783 p += sprintf( p, "a=fmtp:%d %s\r\n", id->i_payload_type,
788 p += sprintf( p, "a=control:%s/trackid=%d\r\n", p_sys->psz_rtsp_control, i );
795 /*****************************************************************************
797 *****************************************************************************/
798 static int rtp_packetize_l16 ( sout_stream_t *, sout_stream_id_t *, block_t * );
799 static int rtp_packetize_l8 ( sout_stream_t *, sout_stream_id_t *, block_t * );
800 static int rtp_packetize_mpa ( sout_stream_t *, sout_stream_id_t *, block_t * );
801 static int rtp_packetize_mpv ( sout_stream_t *, sout_stream_id_t *, block_t * );
802 static int rtp_packetize_ac3 ( sout_stream_t *, sout_stream_id_t *, block_t * );
803 static int rtp_packetize_split( sout_stream_t *, sout_stream_id_t *, block_t * );
804 static int rtp_packetize_mp4a ( sout_stream_t *, sout_stream_id_t *, block_t * );
805 static int rtp_packetize_h263 ( sout_stream_t *, sout_stream_id_t *, block_t * );
807 static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
809 static const char hex[16] = "0123456789abcdef";
812 for( i = 0; i < i_data; i++ )
814 s[2*i+0] = hex[(p_data[i]>>4)&0xf];
815 s[2*i+1] = hex[(p_data[i] )&0xf];
820 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
822 sout_instance_t *p_sout = p_stream->p_sout;
823 sout_stream_sys_t *p_sys = p_stream->p_sys;
824 sout_stream_id_t *id;
825 sout_access_out_t *p_access = NULL;
829 if( p_sys->p_mux != NULL )
831 sout_input_t *p_input = NULL;
832 if( ( p_input = sout_MuxAddStream( p_sys->p_mux, p_fmt ) ) == NULL )
834 msg_Err( p_stream, "cannot add this stream to the muxer" );
838 id = malloc( sizeof( sout_stream_id_t ) );
839 memset( id, 0, sizeof( sout_stream_id_t ) );
841 id->p_input = p_input;
842 id->pf_packetize= NULL;
843 id->p_rtsp_url = NULL;
849 /* Choose the port */
851 if( p_fmt->i_cat == AUDIO_ES && p_sys->i_port_audio > 0 )
853 i_port = p_sys->i_port_audio;
854 p_sys->i_port_audio = 0;
856 else if( p_fmt->i_cat == VIDEO_ES && p_sys->i_port_video > 0 )
858 i_port = p_sys->i_port_video;
859 p_sys->i_port_video = 0;
863 if( p_sys->i_port != p_sys->i_port_audio && p_sys->i_port != p_sys->i_port_video )
865 i_port = p_sys->i_port;
872 if( p_sys->psz_destination )
875 char url[strlen( p_sys->psz_destination ) + 1 + 12 + 1];
877 /* first try to create the access out */
878 if( p_sys->i_ttl > 0 )
880 sprintf( access, "udp{raw,ttl=%d}", p_sys->i_ttl );
884 sprintf( access, "udp{raw}" );
886 sprintf( url, "%s:%d", p_sys->psz_destination, i_port );
887 if( ( p_access = sout_AccessOutNew( p_sout, access, url ) ) == NULL )
889 msg_Err( p_stream, "cannot create the access out for %s://%s",
893 msg_Dbg( p_stream, "access out %s:%s", access, url );
896 /* not create the rtp specific stuff */
897 id = malloc( sizeof( sout_stream_id_t ) );
898 memset( id, 0, sizeof( sout_stream_id_t ) );
899 id->p_stream = p_stream;
900 id->p_access = p_access;
902 id->psz_rtpmap = NULL;
904 id->psz_destination = p_sys->psz_destination ? strdup( p_sys->psz_destination ) : NULL;
906 id->p_rtsp_url = NULL;
907 vlc_mutex_init( p_stream, &id->lock_rtsp );
908 id->i_rtsp_access = 0;
909 id->rtsp_access = NULL;
911 switch( p_fmt->i_codec )
913 case VLC_FOURCC( 's', '1', '6', 'b' ):
914 if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
916 id->i_payload_type = 11;
918 else if( p_fmt->audio.i_channels == 2 &&
919 p_fmt->audio.i_rate == 44100 )
921 id->i_payload_type = 10;
925 id->i_payload_type = p_sys->i_payload_type++;
927 id->psz_rtpmap = malloc( strlen( "L16/*/*" ) + 20+1 );
928 sprintf( id->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
929 p_fmt->audio.i_channels );
930 id->i_clock_rate = p_fmt->audio.i_rate;
931 id->pf_packetize = rtp_packetize_l16;
933 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
934 id->i_payload_type = p_sys->i_payload_type++;
935 id->psz_rtpmap = malloc( strlen( "L8/*/*" ) + 20+1 );
936 sprintf( id->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
937 p_fmt->audio.i_channels );
938 id->i_clock_rate = p_fmt->audio.i_rate;
939 id->pf_packetize = rtp_packetize_l8;
941 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
942 id->i_payload_type = 14;
943 id->i_clock_rate = 90000;
944 id->psz_rtpmap = strdup( "MPA/90000" );
945 id->pf_packetize = rtp_packetize_mpa;
947 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
948 id->i_payload_type = 32;
949 id->i_clock_rate = 90000;
950 id->psz_rtpmap = strdup( "MPV/90000" );
951 id->pf_packetize = rtp_packetize_mpv;
953 case VLC_FOURCC( 'a', '5', '2', ' ' ):
954 id->i_payload_type = p_sys->i_payload_type++;
955 id->i_clock_rate = 90000;
956 id->psz_rtpmap = strdup( "ac3/90000" );
957 id->pf_packetize = rtp_packetize_ac3;
959 case VLC_FOURCC( 'H', '2', '6', '3' ):
960 id->i_payload_type = p_sys->i_payload_type++;
961 id->i_clock_rate = 90000;
962 id->psz_rtpmap = strdup( "H263-1998/90000" );
963 id->pf_packetize = rtp_packetize_h263;
966 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
968 char hexa[2*p_fmt->i_extra +1];
970 id->i_payload_type = p_sys->i_payload_type++;
971 id->i_clock_rate = 90000;
972 id->psz_rtpmap = strdup( "MP4V-ES/90000" );
973 id->pf_packetize = rtp_packetize_split;
974 if( p_fmt->i_extra > 0 )
976 id->psz_fmtp = malloc( 100 + 2 * p_fmt->i_extra );
977 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
978 sprintf( id->psz_fmtp,
979 "profile-level-id=3; config=%s;", hexa );
983 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
985 char hexa[2*p_fmt->i_extra +1];
987 id->i_payload_type = p_sys->i_payload_type++;
988 id->i_clock_rate = p_fmt->audio.i_rate;
989 id->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
990 sprintf( id->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
991 id->pf_packetize = rtp_packetize_mp4a;
992 id->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
993 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
994 sprintf( id->psz_fmtp,
995 "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
996 "config=%s; SizeLength=13;IndexLength=3; "
997 "IndexDeltaLength=3; Profile=1;", hexa );
1002 msg_Err( p_stream, "cannot add this stream (unsupported "
1003 "codec:%4.4s)", (char*)&p_fmt->i_codec );
1006 sout_AccessOutDelete( p_access );
1011 id->i_cat = p_fmt->i_cat;
1013 id->ssrc[0] = rand()&0xff;
1014 id->ssrc[1] = rand()&0xff;
1015 id->ssrc[2] = rand()&0xff;
1016 id->ssrc[3] = rand()&0xff;
1017 id->i_sequence = rand()&0xffff;
1018 id->i_timestamp_start = rand()&0xffffffff;
1020 id->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beuk */
1021 if( id->i_mtu <= 16 )
1023 /* better than nothing */
1026 msg_Dbg( p_stream, "using mtu=%d", id->i_mtu );
1028 if( p_sys->p_rtsp_url )
1030 char psz_urlc[strlen( p_sys->psz_rtsp_control ) + 1 + 10];
1032 sprintf( psz_urlc, "%s/trackid=%d", p_sys->psz_rtsp_path, p_sys->i_es );
1033 fprintf( stderr, "rtsp: adding %s\n", psz_urlc );
1034 id->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, psz_urlc, NULL, NULL );
1036 if( id->p_rtsp_url )
1038 httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_SETUP, RtspCallbackId, (void*)id );
1039 //httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
1040 //httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
1045 /* Update p_sys context */
1046 vlc_mutex_lock( &p_sys->lock_es );
1047 TAB_APPEND( p_sys->i_es, p_sys->es, id );
1048 vlc_mutex_unlock( &p_sys->lock_es );
1050 psz_sdp = SDPGenerate( p_stream, p_sys->psz_destination, VLC_FALSE );
1052 vlc_mutex_lock( &p_sys->lock_sdp );
1053 free( p_sys->psz_sdp );
1054 p_sys->psz_sdp = psz_sdp;
1055 vlc_mutex_unlock( &p_sys->lock_sdp );
1057 p_sys->i_sdp_version++;
1059 fprintf( stderr, "sdp=%s", p_sys->psz_sdp );
1061 /* Update SDP (sap/file) */
1062 if( p_sys->b_export_sap ) SapSetup( p_stream );
1063 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
1068 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
1070 sout_stream_sys_t *p_sys = p_stream->p_sys;
1072 vlc_mutex_lock( &p_sys->lock_es );
1073 TAB_REMOVE( p_sys->i_es, p_sys->es, id );
1074 vlc_mutex_unlock( &p_sys->lock_es );
1077 if( id->i_port > 0 )
1079 if( id->i_cat == AUDIO_ES && p_sys->i_port_audio == 0 )
1080 p_sys->i_port_audio = id->i_port;
1081 else if( id->i_cat == VIDEO_ES && p_sys->i_port_video == 0 )
1082 p_sys->i_port_video = id->i_port;
1087 if( id->psz_rtpmap )
1089 free( id->psz_rtpmap );
1093 free( id->psz_fmtp );
1095 if( id->psz_destination )
1096 free( id->psz_destination );
1097 sout_AccessOutDelete( id->p_access );
1099 else if( id->p_input )
1101 sout_MuxDeleteStream( p_sys->p_mux, id->p_input );
1103 if( id->p_rtsp_url )
1105 httpd_UrlDelete( id->p_rtsp_url );
1107 vlc_mutex_destroy( &id->lock_rtsp );
1108 if( id->rtsp_access ) free( id->rtsp_access );
1110 /* Update SDP (sap/file) */
1111 if( p_sys->b_export_sap ) SapSetup( p_stream );
1112 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
1118 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
1123 if( p_stream->p_sys->p_mux )
1125 sout_MuxSendBuffer( p_stream->p_sys->p_mux, id->p_input, p_buffer );
1131 p_next = p_buffer->p_next;
1132 if( id->pf_packetize( p_stream, id, p_buffer ) )
1136 block_Release( p_buffer );
1144 static int AccessOutGrabberWriteBuffer( sout_stream_t *p_stream,
1147 sout_stream_sys_t *p_sys = p_stream->p_sys;
1149 int64_t i_dts = p_buffer->i_dts;
1150 uint32_t i_timestamp = i_dts * 9 / 100;
1152 uint8_t *p_data = p_buffer->p_buffer;
1153 unsigned int i_data = p_buffer->i_buffer;
1154 unsigned int i_max = p_sys->i_mtu - 12;
1156 int i_packet = ( p_buffer->i_buffer + i_max - 1 ) / i_max;
1160 unsigned int i_size;
1162 /* output complete packet */
1163 if( p_sys->packet &&
1164 p_sys->packet->i_buffer + i_data > i_max )
1166 sout_AccessOutWrite( p_sys->p_access, p_sys->packet );
1167 p_sys->packet = NULL;
1170 if( p_sys->packet == NULL )
1172 /* allocate a new packet */
1173 p_sys->packet = block_New( p_stream, p_sys->i_mtu );
1174 p_sys->packet->p_buffer[ 0] = 0x80;
1175 p_sys->packet->p_buffer[ 1] = 0x80|p_sys->i_payload_type;
1176 p_sys->packet->p_buffer[ 2] = ( p_sys->i_sequence >> 8)&0xff;
1177 p_sys->packet->p_buffer[ 3] = ( p_sys->i_sequence )&0xff;
1178 p_sys->packet->p_buffer[ 4] = ( i_timestamp >> 24 )&0xff;
1179 p_sys->packet->p_buffer[ 5] = ( i_timestamp >> 16 )&0xff;
1180 p_sys->packet->p_buffer[ 6] = ( i_timestamp >> 8 )&0xff;
1181 p_sys->packet->p_buffer[ 7] = ( i_timestamp )&0xff;
1182 p_sys->packet->p_buffer[ 8] = p_sys->ssrc[0];
1183 p_sys->packet->p_buffer[ 9] = p_sys->ssrc[1];
1184 p_sys->packet->p_buffer[10] = p_sys->ssrc[2];
1185 p_sys->packet->p_buffer[11] = p_sys->ssrc[3];
1186 p_sys->packet->i_buffer = 12;
1188 p_sys->packet->i_dts = i_dts;
1189 p_sys->packet->i_length = p_buffer->i_length / i_packet;
1190 i_dts += p_sys->packet->i_length;
1192 p_sys->i_sequence++;
1195 i_size = __MIN( i_data, p_sys->i_mtu - p_sys->packet->i_buffer );
1197 memcpy( &p_sys->packet->p_buffer[p_sys->packet->i_buffer],
1200 p_sys->packet->i_buffer += i_size;
1208 static int AccessOutGrabberWrite( sout_access_out_t *p_access,
1211 sout_stream_t *p_stream = (sout_stream_t*)p_access->p_sys;
1213 //fprintf( stderr, "received buffer size=%d\n", p_buffer->i_buffer );
1219 AccessOutGrabberWriteBuffer( p_stream, p_buffer );
1221 p_next = p_buffer->p_next;
1222 block_Release( p_buffer );
1229 /****************************************************************************
1231 ****************************************************************************/
1232 static int SapSetup( sout_stream_t *p_stream )
1234 sout_stream_sys_t *p_sys = p_stream->p_sys;
1235 sout_instance_t *p_sout = p_stream->p_sout;
1236 announce_method_t *p_method = (announce_method_t *)
1237 malloc(sizeof(announce_method_t));
1239 /* Remove the previous session */
1240 if( p_sys->p_session != NULL)
1242 sout_AnnounceUnRegister( p_sout, p_sys->p_session);
1243 sout_AnnounceSessionDestroy( p_sys->p_session );
1244 p_sys->p_session = NULL;
1246 p_method->i_type = METHOD_TYPE_SAP;
1247 p_method->psz_address = NULL; /* FIXME */
1248 p_method->i_ip_version = 4; /* FIXME ! */
1250 if( p_sys->i_es > 0 && p_sys->psz_sdp && *p_sys->psz_sdp )
1252 p_sys->p_session = sout_AnnounceRegisterSDP( p_sout, p_sys->psz_sdp,
1260 /****************************************************************************
1262 ****************************************************************************/
1263 static int FileSetup( sout_stream_t *p_stream )
1265 sout_stream_sys_t *p_sys = p_stream->p_sys;
1268 if( ( f = fopen( p_sys->psz_sdp_file, "wt" ) ) == NULL )
1270 msg_Err( p_stream, "cannot open file '%s' (%s)",
1271 p_sys->psz_sdp_file, strerror(errno) );
1272 return VLC_EGENERIC;
1275 fprintf( f, "%s", p_sys->psz_sdp );
1281 /****************************************************************************
1283 ****************************************************************************/
1284 static int HttpCallback( httpd_file_sys_t *p_args,
1285 httpd_file_t *, uint8_t *p_request,
1286 uint8_t **pp_data, int *pi_data );
1288 static int HttpSetup( sout_stream_t *p_stream, vlc_url_t *url)
1290 sout_stream_sys_t *p_sys = p_stream->p_sys;
1292 p_sys->p_httpd_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port );
1293 if( p_sys->p_httpd_host )
1295 p_sys->p_httpd_file = httpd_FileNew( p_sys->p_httpd_host,
1296 url->psz_path ? url->psz_path : "/",
1299 HttpCallback, (void*)p_sys );
1301 if( p_sys->p_httpd_file == NULL )
1303 return VLC_EGENERIC;
1308 static int HttpCallback( httpd_file_sys_t *p_args,
1309 httpd_file_t *f, uint8_t *p_request,
1310 uint8_t **pp_data, int *pi_data )
1312 sout_stream_sys_t *p_sys = (sout_stream_sys_t*)p_args;
1314 vlc_mutex_lock( &p_sys->lock_sdp );
1315 if( p_sys->psz_sdp && *p_sys->psz_sdp )
1317 *pi_data = strlen( p_sys->psz_sdp );
1318 *pp_data = malloc( *pi_data );
1319 memcpy( *pp_data, p_sys->psz_sdp, *pi_data );
1326 vlc_mutex_unlock( &p_sys->lock_sdp );
1331 /****************************************************************************
1333 ****************************************************************************/
1334 static rtsp_client_t *RtspClientNew( sout_stream_t *p_stream, char *psz_session )
1336 rtsp_client_t *rtsp = malloc( sizeof( rtsp_client_t ));
1338 rtsp->psz_session = psz_session;
1340 rtsp->b_playing = VLC_FALSE;
1344 rtsp->access = NULL;
1346 TAB_APPEND( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
1350 static rtsp_client_t *RtspClientGet( sout_stream_t *p_stream, char *psz_session )
1353 for( i = 0; i < p_stream->p_sys->i_rtsp; i++ )
1355 if( !strcmp( p_stream->p_sys->rtsp[i]->psz_session, psz_session ) )
1357 return p_stream->p_sys->rtsp[i];
1363 static void RtspClientDel( sout_stream_t *p_stream, rtsp_client_t *rtsp )
1366 TAB_REMOVE( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
1368 for( i = 0; i < rtsp->i_access; i++ )
1370 sout_AccessOutDelete( rtsp->access[i] );
1372 if( rtsp->id ) free( rtsp->id );
1373 if( rtsp->access ) free( rtsp->access );
1375 free( rtsp->psz_session );
1379 static int RtspSetup( sout_stream_t *p_stream, vlc_url_t *url )
1381 sout_stream_sys_t *p_sys = p_stream->p_sys;
1383 fprintf( stderr, "rtsp setup: %s : %d / %s\n", url->psz_host, url->i_port, url->psz_path );
1385 p_sys->p_rtsp_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 554 );
1386 if( p_sys->p_rtsp_host == NULL )
1388 return VLC_EGENERIC;
1391 p_sys->psz_rtsp_path = strdup( url->psz_path ? url->psz_path : "/" );
1392 p_sys->psz_rtsp_control = malloc (strlen( url->psz_host ) + 20 + strlen( p_sys->psz_rtsp_path ) + 1 );
1393 sprintf( p_sys->psz_rtsp_control, "rtsp://%s:%d%s",
1394 url->psz_host, url->i_port > 0 ? url->i_port : 554, p_sys->psz_rtsp_path );
1396 p_sys->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, p_sys->psz_rtsp_path, NULL, NULL );
1397 if( p_sys->p_rtsp_url == 0 )
1399 return VLC_EGENERIC;
1401 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_DESCRIBE, RtspCallback, (void*)p_stream );
1402 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
1403 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
1404 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_TEARDOWN, RtspCallback, (void*)p_stream );
1409 static int RtspCallback( httpd_callback_sys_t *p_args,
1411 httpd_message_t *answer, httpd_message_t *query )
1413 sout_stream_t *p_stream = (sout_stream_t*)p_args;
1414 sout_stream_sys_t *p_sys = p_stream->p_sys;
1415 char *psz_destination = p_sys->psz_destination;
1416 char *psz_session = NULL;
1418 if( answer == NULL || query == NULL )
1422 fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
1424 answer->i_proto = HTTPD_PROTO_RTSP;
1425 answer->i_version= query->i_version;
1426 answer->i_type = HTTPD_MSG_ANSWER;
1428 switch( query->i_type )
1430 case HTTPD_MSG_DESCRIBE:
1432 char *psz_sdp = SDPGenerate( p_stream, psz_destination ? psz_destination : "0.0.0.0", VLC_TRUE );
1434 answer->i_status = 200;
1435 answer->psz_status = strdup( "OK" );
1436 httpd_MsgAdd( answer, "Content-type", "%s", "application/sdp" );
1438 answer->p_body = psz_sdp;
1439 answer->i_body = strlen( psz_sdp );
1443 case HTTPD_MSG_PLAY:
1445 rtsp_client_t *rtsp;
1446 /* for now only multicast so easy */
1447 answer->i_status = 200;
1448 answer->psz_status = strdup( "OK" );
1450 answer->p_body = NULL;
1452 psz_session = httpd_MsgGet( query, "Session" );
1453 rtsp = RtspClientGet( p_stream, psz_session );
1454 if( rtsp && !rtsp->b_playing )
1458 rtsp->b_playing = VLC_TRUE;
1460 vlc_mutex_lock( &p_sys->lock_es );
1461 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
1463 sout_stream_id_t *id = rtsp->id[i_id];
1466 for( i = 0; i < p_sys->i_es; i++ )
1468 if( id == p_sys->es[i] )
1471 if( i >= p_sys->i_es ) continue;
1473 vlc_mutex_lock( &id->lock_rtsp );
1474 TAB_APPEND( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
1475 vlc_mutex_unlock( &id->lock_rtsp );
1477 vlc_mutex_unlock( &p_sys->lock_es );
1481 case HTTPD_MSG_PAUSE:
1483 return VLC_EGENERIC;
1484 case HTTPD_MSG_TEARDOWN:
1486 rtsp_client_t *rtsp;
1488 /* for now only multicast so easy again */
1489 answer->i_status = 200;
1490 answer->psz_status = strdup( "OK" );
1492 answer->p_body = NULL;
1494 psz_session = httpd_MsgGet( query, "Session" );
1495 rtsp = RtspClientGet( p_stream, psz_session );
1500 vlc_mutex_lock( &p_sys->lock_es );
1501 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
1503 sout_stream_id_t *id = rtsp->id[i_id];
1506 for( i = 0; i < p_sys->i_es; i++ )
1508 if( id == p_sys->es[i] )
1511 if( i >= p_sys->i_es ) continue;
1513 vlc_mutex_lock( &id->lock_rtsp );
1514 TAB_REMOVE( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
1515 vlc_mutex_unlock( &id->lock_rtsp );
1517 vlc_mutex_unlock( &p_sys->lock_es );
1519 RtspClientDel( p_stream, rtsp );
1525 return VLC_EGENERIC;
1527 httpd_MsgAdd( answer, "Server", "VLC Server" );
1528 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1529 httpd_MsgAdd( answer, "Cseq", "%d", atoi( httpd_MsgGet( query, "Cseq" ) ) );
1530 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1534 httpd_MsgAdd( answer, "Session", "%s;timeout=5", psz_session );
1539 static int RtspCallbackId( httpd_callback_sys_t *p_args,
1541 httpd_message_t *answer, httpd_message_t *query )
1543 sout_stream_id_t *id = (sout_stream_id_t*)p_args;
1544 sout_stream_t *p_stream = id->p_stream;
1545 sout_stream_sys_t *p_sys = p_stream->p_sys;
1546 char *psz_session = NULL;
1548 if( answer == NULL || query == NULL )
1552 fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
1554 answer->i_proto = HTTPD_PROTO_RTSP;
1555 answer->i_version= query->i_version;
1556 answer->i_type = HTTPD_MSG_ANSWER;
1558 switch( query->i_type )
1560 case HTTPD_MSG_SETUP:
1562 char *psz_transport = httpd_MsgGet( query, "Transport" );
1564 fprintf( stderr, "HTTPD_MSG_SETUP: transport=%s\n", psz_transport );
1566 if( strstr( psz_transport, "multicast" ) && id->psz_destination )
1568 fprintf( stderr, "HTTPD_MSG_SETUP: multicast\n" );
1569 answer->i_status = 200;
1570 answer->psz_status = strdup( "OK" );
1572 answer->p_body = NULL;
1573 psz_session = httpd_MsgGet( query, "Session" );
1574 if( *psz_session == 0 )
1576 psz_session = malloc( 100 );
1577 sprintf( psz_session, "%d", rand() );
1579 httpd_MsgAdd( answer, "Transport",
1580 "RTP/AVP/UDP;destination=%s;port=%d-%d;ttl=%d",
1581 id->psz_destination, id->i_port,id->i_port+1, p_sys->i_ttl );
1583 else if( strstr( psz_transport, "unicast" ) && strstr( psz_transport, "client_port=" ) )
1585 int i_port = atoi( strstr( psz_transport, "client_port=" ) + strlen("client_port=") );
1586 char *ip = httpd_ClientIP( cl );
1588 char psz_access[100];
1591 sout_access_out_t *p_access;
1593 rtsp_client_t *rtsp = NULL;
1597 answer->i_status = 400;
1598 answer->psz_status = strdup( "Internal server error" );
1600 answer->p_body = NULL;
1604 fprintf( stderr, "HTTPD_MSG_SETUP: unicast ip=%s port=%d\n",
1607 psz_session = httpd_MsgGet( query, "Session" );
1608 if( *psz_session == 0 )
1610 psz_session = malloc( 100 );
1611 sprintf( psz_session, "%d", rand() );
1613 rtsp = RtspClientNew( p_stream, psz_session );
1617 rtsp = RtspClientGet( p_stream, psz_session );
1620 /* FIXME right error code */
1621 answer->i_status = 400;
1622 answer->psz_status = strdup( "Unknown session id" );
1624 answer->p_body = NULL;
1630 /* first try to create the access out */
1631 if( p_sys->i_ttl > 0 )
1632 sprintf( psz_access, "udp{raw,ttl=%d}", p_sys->i_ttl );
1634 sprintf( psz_access, "udp{raw}" );
1635 sprintf( psz_url, "%s:%d", ip, i_port );
1638 if( ( p_access = sout_AccessOutNew( p_stream->p_sout, psz_access, psz_url ) ) == NULL )
1640 msg_Err( p_stream, "cannot create the access out for %s://%s",
1641 psz_access, psz_url );
1642 answer->i_status = 400;
1643 answer->psz_status = strdup( "Server internal error" );
1645 answer->p_body = NULL;
1649 TAB_APPEND( rtsp->i_id, rtsp->id, id );
1650 TAB_APPEND( rtsp->i_access, rtsp->access, p_access );
1652 answer->i_status = 200;
1653 answer->psz_status = strdup( "OK" );
1655 answer->p_body = NULL;
1657 httpd_MsgAdd( answer, "Transport",
1658 "RTP/AVP/UDP;client_port=%d-%d", i_port, i_port + 1 );
1660 else /* TODO strstr( psz_transport, "interleaved" ) ) */
1662 answer->i_status = 400;
1663 answer->psz_status = strdup( "Bad Request" );
1665 answer->p_body = NULL;
1671 return VLC_EGENERIC;
1673 httpd_MsgAdd( answer, "Server", "VLC Server" );
1674 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1675 httpd_MsgAdd( answer, "Cseq", "%d", atoi( httpd_MsgGet( query, "Cseq" ) ) );
1676 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1680 httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
1685 /****************************************************************************
1687 ****************************************************************************/
1688 static void rtp_packetize_common( sout_stream_id_t *id, block_t *out,
1689 int b_marker, int64_t i_pts )
1691 uint32_t i_timestamp = i_pts * (int64_t)id->i_clock_rate / I64C(1000000);
1693 out->p_buffer[0] = 0x80;
1694 out->p_buffer[1] = (b_marker?0x80:0x00)|id->i_payload_type;
1695 out->p_buffer[2] = ( id->i_sequence >> 8)&0xff;
1696 out->p_buffer[3] = ( id->i_sequence )&0xff;
1697 out->p_buffer[4] = ( i_timestamp >> 24 )&0xff;
1698 out->p_buffer[5] = ( i_timestamp >> 16 )&0xff;
1699 out->p_buffer[6] = ( i_timestamp >> 8 )&0xff;
1700 out->p_buffer[7] = ( i_timestamp )&0xff;
1702 out->p_buffer[ 8] = id->ssrc[0];
1703 out->p_buffer[ 9] = id->ssrc[1];
1704 out->p_buffer[10] = id->ssrc[2];
1705 out->p_buffer[11] = id->ssrc[3];
1711 static void rtp_packetize_send( sout_stream_id_t *id, block_t *out )
1714 vlc_mutex_lock( &id->lock_rtsp );
1715 for( i = 0; i < id->i_rtsp_access; i++ )
1717 sout_AccessOutWrite( id->rtsp_access[i], block_Duplicate( out ) );
1719 vlc_mutex_unlock( &id->lock_rtsp );
1723 sout_AccessOutWrite( id->p_access, out );
1727 block_Release( out );
1731 static int rtp_packetize_mpa( sout_stream_t *p_stream, sout_stream_id_t *id,
1734 int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
1735 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1737 uint8_t *p_data = in->p_buffer;
1738 int i_data = in->i_buffer;
1741 for( i = 0; i < i_count; i++ )
1743 int i_payload = __MIN( i_max, i_data );
1744 block_t *out = block_New( p_stream, 16 + i_payload );
1746 /* rtp common header */
1747 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
1749 out->p_buffer[12] = 0;
1750 out->p_buffer[13] = 0;
1751 /* fragment offset in the current frame */
1752 out->p_buffer[14] = ( (i*i_max) >> 8 )&0xff;
1753 out->p_buffer[15] = ( (i*i_max) )&0xff;
1754 memcpy( &out->p_buffer[16], p_data, i_payload );
1756 out->i_buffer = 16 + i_payload;
1757 out->i_dts = in->i_dts + i * in->i_length / i_count;
1758 out->i_length = in->i_length / i_count;
1760 rtp_packetize_send( id, out );
1762 p_data += i_payload;
1763 i_data -= i_payload;
1770 static int rtp_packetize_mpv( sout_stream_t *p_stream, sout_stream_id_t *id,
1773 int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
1774 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1776 uint8_t *p_data = in->p_buffer;
1777 int i_data = in->i_buffer;
1779 int b_sequence_start = 0;
1780 int i_temporal_ref = 0;
1781 int i_picture_coding_type = 0;
1782 int i_fbv = 0, i_bfc = 0, i_ffv = 0, i_ffc = 0;
1783 int b_start_slice = 0;
1785 /* preparse this packet to get some info */
1786 if( in->i_buffer > 4 )
1788 uint8_t *p = p_data;
1789 int i_rest = in->i_buffer;
1793 while( i_rest > 4 &&
1794 ( p[0] != 0x00 || p[1] != 0x00 || p[2] != 0x01 ) )
1808 /* sequence start code */
1809 b_sequence_start = 1;
1811 else if( *p == 0x00 && i_rest >= 4 )
1814 i_temporal_ref = ( p[1] << 2) |((p[2]>>6)&0x03);
1815 i_picture_coding_type = (p[2] >> 3)&0x07;
1817 if( i_rest >= 4 && ( i_picture_coding_type == 2 ||
1818 i_picture_coding_type == 3 ) )
1820 i_ffv = (p[3] >> 2)&0x01;
1821 i_ffc = ((p[3]&0x03) << 1)|((p[4]>>7)&0x01);
1822 if( i_rest > 4 && i_picture_coding_type == 3 )
1824 i_fbv = (p[4]>>6)&0x01;
1825 i_bfc = (p[4]>>3)&0x07;
1829 else if( *p <= 0xaf )
1836 for( i = 0; i < i_count; i++ )
1838 int i_payload = __MIN( i_max, i_data );
1839 block_t *out = block_New( p_stream,
1841 uint32_t h = ( i_temporal_ref << 16 )|
1842 ( b_sequence_start << 13 )|
1843 ( b_start_slice << 12 )|
1844 ( i == i_count - 1 ? 1 << 11 : 0 )|
1845 ( i_picture_coding_type << 8 )|
1846 ( i_fbv << 7 )|( i_bfc << 4 )|( i_ffv << 3 )|i_ffc;
1848 /* rtp common header */
1849 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
1850 in->i_pts > 0 ? in->i_pts : in->i_dts );
1852 /* 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 */
1853 out->p_buffer[12] = ( h >> 24 )&0xff;
1854 out->p_buffer[13] = ( h >> 16 )&0xff;
1855 out->p_buffer[14] = ( h >> 8 )&0xff;
1856 out->p_buffer[15] = ( h )&0xff;
1858 memcpy( &out->p_buffer[16], p_data, i_payload );
1860 out->i_buffer = 16 + i_payload;
1861 out->i_dts = in->i_dts + i * in->i_length / i_count;
1862 out->i_length = in->i_length / i_count;
1864 rtp_packetize_send( id, out );
1866 p_data += i_payload;
1867 i_data -= i_payload;
1872 static int rtp_packetize_ac3( sout_stream_t *p_stream, sout_stream_id_t *id,
1875 int i_max = id->i_mtu - 12 - 2; /* payload max in one packet */
1876 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1878 uint8_t *p_data = in->p_buffer;
1879 int i_data = in->i_buffer;
1882 for( i = 0; i < i_count; i++ )
1884 int i_payload = __MIN( i_max, i_data );
1885 block_t *out = block_New( p_stream, 14 + i_payload );
1887 /* rtp common header */
1888 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
1890 out->p_buffer[12] = 1;
1892 out->p_buffer[13] = 0x00;
1894 memcpy( &out->p_buffer[14], p_data, i_payload );
1896 out->i_buffer = 14 + i_payload;
1897 out->i_dts = in->i_dts + i * in->i_length / i_count;
1898 out->i_length = in->i_length / i_count;
1900 rtp_packetize_send( id, out );
1902 p_data += i_payload;
1903 i_data -= i_payload;
1909 static int rtp_packetize_split( sout_stream_t *p_stream, sout_stream_id_t *id,
1912 int i_max = id->i_mtu - 12; /* payload max in one packet */
1913 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1915 uint8_t *p_data = in->p_buffer;
1916 int i_data = in->i_buffer;
1919 for( i = 0; i < i_count; i++ )
1921 int i_payload = __MIN( i_max, i_data );
1922 block_t *out = block_New( p_stream, 12 + i_payload );
1924 /* rtp common header */
1925 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
1926 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
1927 memcpy( &out->p_buffer[12], p_data, i_payload );
1929 out->i_buffer = 12 + i_payload;
1930 out->i_dts = in->i_dts + i * in->i_length / i_count;
1931 out->i_length = in->i_length / i_count;
1933 rtp_packetize_send( id, out );
1935 p_data += i_payload;
1936 i_data -= i_payload;
1942 static int rtp_packetize_l16( sout_stream_t *p_stream, sout_stream_id_t *id,
1945 int i_max = id->i_mtu - 12; /* payload max in one packet */
1946 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1948 uint8_t *p_data = in->p_buffer;
1949 int i_data = in->i_buffer;
1954 int i_payload = (__MIN( i_max, i_data )/4)*4;
1955 block_t *out = block_New( p_stream, 12 + i_payload );
1957 /* rtp common header */
1958 rtp_packetize_common( id, out, 0,
1959 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
1960 memcpy( &out->p_buffer[12], p_data, i_payload );
1962 out->i_buffer = 12 + i_payload;
1963 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
1964 out->i_length = in->i_length / i_count;
1966 rtp_packetize_send( id, out );
1968 p_data += i_payload;
1969 i_data -= i_payload;
1976 static int rtp_packetize_l8( sout_stream_t *p_stream, sout_stream_id_t *id,
1979 int i_max = id->i_mtu - 12; /* payload max in one packet */
1980 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1982 uint8_t *p_data = in->p_buffer;
1983 int i_data = in->i_buffer;
1988 int i_payload = (__MIN( i_max, i_data )/2)*2;
1989 block_t *out = block_New( p_stream, 12 + i_payload );
1991 /* rtp common header */
1992 rtp_packetize_common( id, out, 0,
1993 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
1994 memcpy( &out->p_buffer[12], p_data, i_payload );
1996 out->i_buffer = 12 + i_payload;
1997 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
1998 out->i_length = in->i_length / i_count;
2000 rtp_packetize_send( id, out );
2002 p_data += i_payload;
2003 i_data -= i_payload;
2009 static int rtp_packetize_mp4a( sout_stream_t *p_stream, sout_stream_id_t *id,
2012 int i_max = id->i_mtu - 16; /* payload max in one packet */
2013 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2015 uint8_t *p_data = in->p_buffer;
2016 int i_data = in->i_buffer;
2019 for( i = 0; i < i_count; i++ )
2021 int i_payload = __MIN( i_max, i_data );
2022 block_t *out = block_New( p_stream, 16 + i_payload );
2024 /* rtp common header */
2025 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2026 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2028 /* AU headers length (bits) */
2029 out->p_buffer[12] = 0;
2030 out->p_buffer[13] = 2*8;
2031 /* for each AU length 13 bits + idx 3bits, */
2032 out->p_buffer[14] = ( in->i_buffer >> 5 )&0xff;
2033 out->p_buffer[15] = ( (in->i_buffer&0xff)<<3 )|0;
2035 memcpy( &out->p_buffer[16], p_data, i_payload );
2037 out->i_buffer = 16 + i_payload;
2038 out->i_dts = in->i_dts + i * in->i_length / i_count;
2039 out->i_length = in->i_length / i_count;
2041 rtp_packetize_send( id, out );
2043 p_data += i_payload;
2044 i_data -= i_payload;
2052 #define RTP_H263_HEADER_SIZE (2) // plen = 0
2053 #define RTP_H263_PAYLOAD_START (14) // plen = 0
2054 static int rtp_packetize_h263( sout_stream_t *p_stream, sout_stream_id_t *id,
2057 uint8_t *p_data = in->p_buffer;
2058 int i_data = in->i_buffer;
2060 int i_max = id->i_mtu - 12 - RTP_H263_HEADER_SIZE; /* payload max in one packet */
2063 int b_v_bit = 0; // no pesky error resilience
2064 int i_plen = 0; // normally plen=0 for PSC packet
2065 int i_pebit = 0; // because plen=0
2070 return VLC_EGENERIC;
2072 if( p_data[0] || p_data[1] )
2074 return VLC_EGENERIC;
2076 /* remove 2 leading 0 bytes */
2079 i_count = ( i_data + i_max - 1 ) / i_max;
2081 for( i = 0; i < i_count; i++ )
2083 int i_payload = __MIN( i_max, i_data );
2084 block_t *out = block_New( p_stream,
2085 RTP_H263_PAYLOAD_START + i_payload );
2086 b_p_bit = (i == 0) ? 1 : 0;
2087 h = ( b_p_bit << 10 )|
2092 /* rtp common header */
2093 //b_m_bit = 1; // always contains end of frame
2094 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
2095 in->i_pts > 0 ? in->i_pts : in->i_dts );
2098 out->p_buffer[12] = ( h >> 8 )&0xff;
2099 out->p_buffer[13] = ( h )&0xff;
2100 memcpy( &out->p_buffer[RTP_H263_PAYLOAD_START], p_data, i_payload );
2102 out->i_buffer = RTP_H263_PAYLOAD_START + i_payload;
2103 out->i_dts = in->i_dts + i * in->i_length / i_count;
2104 out->i_length = in->i_length / i_count;
2106 rtp_packetize_send( id, out );
2108 p_data += i_payload;
2109 i_data -= i_payload;