1 /*****************************************************************************
2 * rtp.c: rtp stream output module
3 *****************************************************************************
4 * Copyright (C) 2003-2004 the VideoLAN team
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
32 #include <vlc/input.h>
35 #include "vlc_httpd.h"
38 /*****************************************************************************
40 *****************************************************************************/
41 #define DST_TEXT N_("Destination")
42 #define DST_LONGTEXT N_( \
43 "Allows you to specify the output URL used for the streaming output." )
44 #define SDP_TEXT N_("SDP")
45 #define SDP_LONGTEXT N_( \
46 "Allows you to specify the SDP used for the streaming output. " \
47 "You must use an url: http://location to access the SDP via HTTP, " \
48 "rtsp://location for RTSP access, and sap:// for the SDP to be " \
49 "announced via SAP." )
50 #define MUX_TEXT N_("Muxer")
51 #define MUX_LONGTEXT N_( \
52 "Allows you to specify the muxer used for the streaming output." )
54 #define NAME_TEXT N_("Session name")
55 #define NAME_LONGTEXT N_( \
56 "Allows you to specify the session name used for the streaming output." )
57 #define DESC_TEXT N_("Session description")
58 #define DESC_LONGTEXT N_( \
59 "Allows you to give a broader description of the stream." )
60 #define URL_TEXT N_("Session URL")
61 #define URL_LONGTEXT N_( \
62 "Allows you to specify a URL with additional information on the stream." )
63 #define EMAIL_TEXT N_("Session email")
64 #define EMAIL_LONGTEXT N_( \
65 "Allows you to specify contact e-mail address for this session." )
67 #define PORT_TEXT N_("Port")
68 #define PORT_LONGTEXT N_( \
69 "Allows you to specify the base port used for the RTP streaming." )
70 #define PORT_AUDIO_TEXT N_("Audio port")
71 #define PORT_AUDIO_LONGTEXT N_( \
72 "Allows you to specify the default audio port used for the RTP streaming." )
73 #define PORT_VIDEO_TEXT N_("Video port")
74 #define PORT_VIDEO_LONGTEXT N_( \
75 "Allows you to specify the default video port used for the RTP streaming." )
77 #define TTL_TEXT N_("Time To Live")
78 #define TTL_LONGTEXT N_( \
79 "Allows you to specify the time to live for the output stream." )
81 static int Open ( vlc_object_t * );
82 static void Close( vlc_object_t * );
84 #define SOUT_CFG_PREFIX "sout-rtp-"
87 set_shortname( _("RTP"));
88 set_description( _("RTP stream output") );
89 set_capability( "sout stream", 0 );
90 add_shortcut( "rtp" );
91 set_category( CAT_SOUT );
92 set_subcategory( SUBCAT_SOUT_STREAM );
94 add_string( SOUT_CFG_PREFIX "dst", "", NULL, DST_TEXT,
95 DST_LONGTEXT, VLC_TRUE );
96 add_string( SOUT_CFG_PREFIX "sdp", "", NULL, SDP_TEXT,
97 SDP_LONGTEXT, VLC_TRUE );
98 add_string( SOUT_CFG_PREFIX "mux", "", NULL, MUX_TEXT,
99 MUX_LONGTEXT, VLC_TRUE );
101 add_string( SOUT_CFG_PREFIX "name", "NONE", NULL, NAME_TEXT,
102 NAME_LONGTEXT, VLC_TRUE );
103 add_string( SOUT_CFG_PREFIX "description", "", NULL, DESC_TEXT,
104 DESC_LONGTEXT, VLC_TRUE );
105 add_string( SOUT_CFG_PREFIX "url", "", NULL, URL_TEXT,
106 URL_LONGTEXT, VLC_TRUE );
107 add_string( SOUT_CFG_PREFIX "email", "", NULL, EMAIL_TEXT,
108 EMAIL_LONGTEXT, VLC_TRUE );
110 add_integer( SOUT_CFG_PREFIX "port", 1234, NULL, PORT_TEXT,
111 PORT_LONGTEXT, VLC_TRUE );
112 add_integer( SOUT_CFG_PREFIX "port-audio", 1230, NULL, PORT_AUDIO_TEXT,
113 PORT_AUDIO_LONGTEXT, VLC_TRUE );
114 add_integer( SOUT_CFG_PREFIX "port-video", 1232, NULL, PORT_VIDEO_TEXT,
115 PORT_VIDEO_LONGTEXT, VLC_TRUE );
117 add_integer( SOUT_CFG_PREFIX "ttl", 1, NULL, TTL_TEXT,
118 TTL_LONGTEXT, VLC_TRUE );
120 set_callbacks( Open, Close );
123 /*****************************************************************************
124 * Exported prototypes
125 *****************************************************************************/
126 static const char *ppsz_sout_options[] = {
127 "dst", "name", "port", "port-audio", "port-video", "*sdp", "ttl", "mux",
128 "description", "url","email", NULL
131 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
132 static int Del ( sout_stream_t *, sout_stream_id_t * );
133 static int Send( sout_stream_t *, sout_stream_id_t *,
136 /* For unicast/interleaved streaming */
140 int64_t i_last; /* for timeout */
142 /* is it in "play" state */
143 vlc_bool_t b_playing;
145 /* output (id-access) */
147 sout_stream_id_t **id;
149 sout_access_out_t **access;
152 struct sout_stream_sys_t
158 vlc_mutex_t lock_sdp;
160 char *psz_session_name;
161 char *psz_session_description;
162 char *psz_session_url;
163 char *psz_session_email;
166 vlc_bool_t b_export_sdp_file;
169 vlc_bool_t b_export_sap;
170 session_descriptor_t *p_session;
172 httpd_host_t *p_httpd_host;
173 httpd_file_t *p_httpd_file;
175 httpd_host_t *p_rtsp_host;
176 httpd_url_t *p_rtsp_url;
177 char *psz_rtsp_control;
181 char *psz_destination;
187 /* when need to use a private one or when using muxer */
190 /* in case we do TS/PS over rtp */
192 sout_access_out_t *p_access;
194 sout_access_out_t *p_grab;
196 uint32_t i_timestamp_start;
203 sout_stream_id_t **es;
207 rtsp_client_t **rtsp;
210 typedef int (*pf_rtp_packetizer_t)( sout_stream_t *, sout_stream_id_t *,
213 struct sout_stream_id_t
215 sout_stream_t *p_stream;
217 uint8_t i_payload_type;
219 uint32_t i_timestamp_start;
226 char *psz_destination;
230 /* Packetizer specific fields */
231 pf_rtp_packetizer_t pf_packetize;
234 /* for sending the packets */
235 sout_access_out_t *p_access;
237 vlc_mutex_t lock_rtsp;
239 sout_access_out_t **rtsp_access;
242 sout_input_t *p_input;
244 /* RTSP url control */
245 httpd_url_t *p_rtsp_url;
248 static int AccessOutGrabberWrite( sout_access_out_t *, block_t * );
250 static void SDPHandleUrl( sout_stream_t *, char * );
252 static int SapSetup( sout_stream_t *p_stream );
253 static int FileSetup( sout_stream_t *p_stream );
254 static int HttpSetup( sout_stream_t *p_stream, vlc_url_t * );
255 static int RtspSetup( sout_stream_t *p_stream, vlc_url_t * );
257 static int RtspCallback( httpd_callback_sys_t *, httpd_client_t *,
258 httpd_message_t *, httpd_message_t * );
259 static int RtspCallbackId( httpd_callback_sys_t *, httpd_client_t *,
260 httpd_message_t *, httpd_message_t * );
263 static rtsp_client_t *RtspClientNew( sout_stream_t *, char *psz_session );
264 static rtsp_client_t *RtspClientGet( sout_stream_t *, char *psz_session );
265 static void RtspClientDel( sout_stream_t *, rtsp_client_t * );
267 /*****************************************************************************
269 *****************************************************************************/
270 static int Open( vlc_object_t *p_this )
272 sout_stream_t *p_stream = (sout_stream_t*)p_this;
273 sout_instance_t *p_sout = p_stream->p_sout;
274 sout_stream_sys_t *p_sys;
277 sout_CfgParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options, p_stream->p_cfg );
279 p_sys = malloc( sizeof( sout_stream_sys_t ) );
281 p_sys->psz_destination = var_GetString( p_stream, SOUT_CFG_PREFIX "dst" );
282 if( *p_sys->psz_destination == '\0' )
284 free( p_sys->psz_destination );
285 p_sys->psz_destination = NULL;
288 p_sys->psz_session_name = var_GetString( p_stream, SOUT_CFG_PREFIX "name" );
289 p_sys->psz_session_description = var_GetString( p_stream, SOUT_CFG_PREFIX "description" );
290 p_sys->psz_session_url = var_GetString( p_stream, SOUT_CFG_PREFIX "url" );
291 p_sys->psz_session_email = var_GetString( p_stream, SOUT_CFG_PREFIX "email" );
293 p_sys->i_port = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port" );
294 p_sys->i_port_audio = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port-audio" );
295 p_sys->i_port_video = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port-video" );
297 p_sys->psz_sdp_file = NULL;
299 if( p_sys->i_port_audio == p_sys->i_port_video )
301 msg_Err( p_stream, "audio and video port cannot be the same" );
302 p_sys->i_port_audio = 0;
303 p_sys->i_port_video = 0;
306 if( !p_sys->psz_session_name )
308 if( p_sys->psz_destination )
309 p_sys->psz_session_name = strdup( p_sys->psz_destination );
311 p_sys->psz_session_name = strdup( "NONE" );
314 if( !p_sys->psz_destination || *p_sys->psz_destination == '\0' )
317 vlc_bool_t b_ok = VLC_FALSE;
319 for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
321 if( !strcmp( p_cfg->psz_name, "sdp" ) )
323 if( p_cfg->psz_value && !strncasecmp( p_cfg->psz_value, "rtsp", 4 ) )
333 var_Get( p_stream, SOUT_CFG_PREFIX "sdp", &val2 );
334 if( !strncasecmp( val2.psz_string, "rtsp", 4 ) )
336 free( val2.psz_string );
341 msg_Err( p_stream, "missing destination and not in rtsp mode" );
345 p_sys->psz_destination = NULL;
347 else if( p_sys->i_port <= 0 )
349 msg_Err( p_stream, "invalid port" );
354 var_Get( p_stream, SOUT_CFG_PREFIX "ttl", &val );
355 if( ( val.i_int > 255 ) || ( val.i_int < 0 ) )
357 msg_Err( p_stream, "illegal TTL %d", val.i_int );
361 p_sys->i_ttl = val.i_int;
363 p_sys->i_payload_type = 96;
368 p_sys->psz_sdp = NULL;
370 p_sys->i_sdp_id = mdate();
371 p_sys->i_sdp_version = 1;
372 p_sys->psz_sdp = NULL;
374 p_sys->b_export_sap = VLC_FALSE;
375 p_sys->b_export_sdp_file = VLC_FALSE;
376 p_sys->p_session = NULL;
378 p_sys->p_httpd_host = NULL;
379 p_sys->p_httpd_file = NULL;
380 p_sys->p_rtsp_host = NULL;
381 p_sys->p_rtsp_url = NULL;
382 p_sys->psz_rtsp_control = NULL;
383 p_sys->psz_rtsp_path = NULL;
385 vlc_mutex_init( p_stream, &p_sys->lock_sdp );
386 vlc_mutex_init( p_stream, &p_sys->lock_es );
388 p_stream->pf_add = Add;
389 p_stream->pf_del = Del;
390 p_stream->pf_send = Send;
392 p_stream->p_sys = p_sys;
394 var_Get( p_stream, SOUT_CFG_PREFIX "mux", &val );
395 if( *val.psz_string )
397 sout_access_out_t *p_grab;
398 char *psz_rtpmap, url[NI_MAXHOST + 8], access[17], psz_ttl[5], ipv;
400 if( !p_sys->psz_destination || *p_sys->psz_destination == '\0' )
402 msg_Err( p_stream, "rtp needs a destination when muxing" );
407 /* Check muxer type */
408 if( !strncasecmp( val.psz_string, "ps", 2 ) || !strncasecmp( val.psz_string, "mpeg1", 5 ) )
410 psz_rtpmap = "MP2P/90000";
412 else if( !strncasecmp( val.psz_string, "ts", 2 ) )
414 psz_rtpmap = "MP2T/90000";
415 p_sys->i_payload_type = 33;
419 msg_Err( p_stream, "unsupported muxer type with rtp (only ts/ps)" );
424 /* create the access out */
425 if( p_sys->i_ttl > 0 )
427 sprintf( access, "udp{raw,ttl=%d}", p_sys->i_ttl );
431 sprintf( access, "udp{raw}" );
434 /* IPv6 needs brackets if not already present */
435 snprintf( url, sizeof( url ),
436 ( ( p_sys->psz_destination[0] != '[' )
437 && ( strchr( p_sys->psz_destination, ':' ) != NULL ) )
438 ? "[%s]:%d" : "%s:%d", p_sys->psz_destination,
440 url[sizeof( url ) - 1] = '\0';
441 /* FIXME: we should check that url is a numerical address, otherwise
442 * the SDP will be quite broken (regardless of the IP protocol version)
444 ipv = ( strchr( p_sys->psz_destination, ':' ) != NULL ) ? '6' : '4';
446 if( !( p_sys->p_access = sout_AccessOutNew( p_sout, access, url ) ) )
448 msg_Err( p_stream, "cannot create the access out for %s://%s",
453 p_sys->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beurk */
454 if( p_sys->i_mtu <= 16 )
456 /* better than nothing */
460 /* the access out grabber TODO export it as sout_AccessOutGrabberNew */
461 p_grab = p_sys->p_grab =
462 vlc_object_create( p_sout, sizeof( sout_access_out_t ) );
463 p_grab->p_module = NULL;
464 p_grab->p_sout = p_sout;
465 p_grab->psz_access = strdup( "grab" );
466 p_grab->p_cfg = NULL;
467 p_grab->psz_name = strdup( "" );
468 p_grab->p_sys = (sout_access_out_sys_t*)p_stream;
469 p_grab->pf_seek = NULL;
470 p_grab->pf_write = AccessOutGrabberWrite;
473 if( !( p_sys->p_mux = sout_MuxNew( p_sout, val.psz_string, p_sys->p_grab ) ) )
475 msg_Err( p_stream, "cannot create the muxer (%s)", val.psz_string );
476 sout_AccessOutDelete( p_sys->p_grab );
477 sout_AccessOutDelete( p_sys->p_access );
482 /* create the SDP for a muxed stream (only once) */
483 /* FIXME http://www.faqs.org/rfcs/rfc2327.html
484 All text fields should be UTF-8 encoded. Use global a:charset to announce this.
485 o= - should be local username (no spaces allowed)
486 o= time should be hashed with some other value to garantue uniqueness
487 o= we need IP6 support?
488 o= don't use the localhost address. use fully qualified domain name or IP4 address
489 p= international phone number (pass via vars?)
491 a= recvonly (missing)
492 a= type:broadcast (missing)
493 a= charset: (normally charset should be UTF-8, this can be used to override s= and i=)
494 a= x-plgroup: (missing)
495 RTP packets need to get the correct src IP address */
496 if( net_AddressIsMulticast( (vlc_object_t *)p_stream, p_sys->psz_destination ) )
498 snprintf( psz_ttl, sizeof( psz_ttl ), "/%d", p_sys->i_ttl );
499 psz_ttl[sizeof( psz_ttl ) - 1] = '\0';
506 asprintf( &p_sys->psz_sdp,
508 /* FIXME: source address not known :( */
509 "o=- "I64Fd" %d IN IP%c %s\r\n"
514 "t=0 0\r\n" /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
515 "a=tool:"PACKAGE_STRING"\r\n"
517 "m=video %d RTP/AVP %d\r\n"
518 "a=rtpmap:%d %s\r\n",
519 p_sys->i_sdp_id, p_sys->i_sdp_version,
520 ipv, ipv == '6' ? "::1" : "127.0.0.1" /* FIXME */,
521 p_sys->psz_session_name,
522 p_sys->psz_session_description,
523 p_sys->psz_session_url,
524 p_sys->psz_session_email,
525 ipv, p_sys->psz_destination, psz_ttl,
526 p_sys->i_port, p_sys->i_payload_type,
527 p_sys->i_payload_type, psz_rtpmap );
528 fprintf( stderr, "sdp=%s", p_sys->psz_sdp );
530 /* create the rtp context */
531 p_sys->ssrc[0] = rand()&0xff;
532 p_sys->ssrc[1] = rand()&0xff;
533 p_sys->ssrc[2] = rand()&0xff;
534 p_sys->ssrc[3] = rand()&0xff;
535 p_sys->i_sequence = rand()&0xffff;
536 p_sys->i_timestamp_start = rand()&0xffffffff;
537 p_sys->packet = NULL;
542 p_sys->p_access = NULL;
543 p_sys->p_grab = NULL;
545 free( val.psz_string );
548 var_Get( p_stream, SOUT_CFG_PREFIX "sdp", &val );
549 if( *val.psz_string )
553 SDPHandleUrl( p_stream, val.psz_string );
555 for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
557 if( !strcmp( p_cfg->psz_name, "sdp" ) )
559 if( p_cfg->psz_value == NULL || *p_cfg->psz_value == '\0' )
562 if( !strcmp( p_cfg->psz_value, val.psz_string ) ) /* needed both :sout-rtp-sdp= and rtp{sdp=} can be used */
565 SDPHandleUrl( p_stream, p_cfg->psz_value );
569 free( val.psz_string );
571 /* update p_sout->i_out_pace_nocontrol */
572 p_stream->p_sout->i_out_pace_nocontrol++;
577 /*****************************************************************************
579 *****************************************************************************/
580 static void Close( vlc_object_t * p_this )
582 sout_stream_t *p_stream = (sout_stream_t*)p_this;
583 sout_stream_sys_t *p_sys = p_stream->p_sys;
585 /* update p_sout->i_out_pace_nocontrol */
586 p_stream->p_sout->i_out_pace_nocontrol--;
590 sout_MuxDelete( p_sys->p_mux );
591 sout_AccessOutDelete( p_sys->p_access );
592 sout_AccessOutDelete( p_sys->p_grab );
595 block_Release( p_sys->packet );
597 if( p_sys->b_export_sap )
600 SapSetup( p_stream );
604 while( p_sys->i_rtsp > 0 )
606 RtspClientDel( p_stream, p_sys->rtsp[0] );
609 vlc_mutex_destroy( &p_sys->lock_sdp );
611 if( p_sys->p_httpd_file )
613 httpd_FileDelete( p_sys->p_httpd_file );
615 if( p_sys->p_httpd_host )
617 httpd_HostDelete( p_sys->p_httpd_host );
619 if( p_sys->p_rtsp_url )
621 httpd_UrlDelete( p_sys->p_rtsp_url );
623 if( p_sys->p_rtsp_host )
625 httpd_HostDelete( p_sys->p_rtsp_host );
628 /* why? is this disabled? */
629 if( p_sys->psz_session_name )
631 free( p_sys->psz_session_name );
632 p_sys->psz_session_name = NULL;
634 if( p_sys->psz_session_description )
636 free( p_sys->psz_session_description );
637 p_sys->psz_session_description = NULL;
639 if( p_sys->psz_session_url )
641 free( p_sys->psz_session_url );
642 p_sys->psz_session_url = NULL;
644 if( p_sys->psz_session_email )
646 free( p_sys->psz_session_email );
647 p_sys->psz_session_email = NULL;
652 free( p_sys->psz_sdp );
657 /*****************************************************************************
659 *****************************************************************************/
660 static void SDPHandleUrl( sout_stream_t *p_stream, char *psz_url )
662 sout_stream_sys_t *p_sys = p_stream->p_sys;
665 vlc_UrlParse( &url, psz_url, 0 );
666 if( url.psz_protocol && !strcasecmp( url.psz_protocol, "http" ) )
668 if( p_sys->p_httpd_file )
670 msg_Err( p_stream, "You can used sdp=http:// only once" );
674 if( HttpSetup( p_stream, &url ) )
676 msg_Err( p_stream, "cannot export sdp as http" );
679 else if( url.psz_protocol && !strcasecmp( url.psz_protocol, "rtsp" ) )
681 if( p_sys->p_rtsp_url )
683 msg_Err( p_stream, "You can used sdp=rtsp:// only once" );
687 /* FIXME test if destination is multicast or no destination at all FIXME */
688 if( RtspSetup( p_stream, &url ) )
690 msg_Err( p_stream, "cannot export sdp as rtsp" );
693 else if( ( url.psz_protocol && !strcasecmp( url.psz_protocol, "sap" ) ) ||
694 ( url.psz_host && !strcasecmp( url.psz_host, "sap" ) ) )
696 p_sys->b_export_sap = VLC_TRUE;
697 SapSetup( p_stream );
699 else if( url.psz_protocol && !strcasecmp( url.psz_protocol, "file" ) )
701 if( p_sys->b_export_sdp_file )
703 msg_Err( p_stream, "You can used sdp=file:// only once" );
706 p_sys->b_export_sdp_file = VLC_TRUE;
707 psz_url = &psz_url[5];
708 if( psz_url[0] == '/' && psz_url[1] == '/' )
710 p_sys->psz_sdp_file = strdup( psz_url );
714 msg_Warn( p_stream, "unknown protocol for SDP (%s)",
717 vlc_UrlClean( &url );
720 /*****************************************************************************
722 *****************************************************************************/
723 /* FIXME http://www.faqs.org/rfcs/rfc2327.html
724 All text fields should be UTF-8 encoded. Use global a:charset to announce this.
725 o= - should be local username (no spaces allowed)
726 o= time should be hashed with some other value to garantue uniqueness
727 o= we need IP6 support?
728 o= don't use the localhost address. use fully qualified domain name or IP4 address
729 p= international phone number (pass via vars?)
731 a= recvonly (missing)
732 a= type:broadcast (missing)
733 a= charset: (normally charset should be UTF-8, this can be used to override s= and i=)
734 a= x-plgroup: (missing)
735 RTP packets need to get the correct src IP address */
736 static char *SDPGenerate( const sout_stream_t *p_stream,
737 const char *psz_destination, vlc_bool_t b_rtsp )
739 sout_stream_sys_t *p_sys = p_stream->p_sys;
741 char *psz_sdp, *p, ipv;
744 /* FIXME: breaks IP version check on unknown destination */
745 if( psz_destination == NULL )
746 psz_destination = "0.0.0.0";
748 i_size = sizeof( "v=0\r\n" ) +
749 sizeof( "o=- * * IN IP4 127.0.0.1\r\n" ) + 10 + 10 +
750 sizeof( "s=*\r\n" ) + strlen( p_sys->psz_session_name ) +
751 sizeof( "i=*\r\n" ) + strlen( p_sys->psz_session_description ) +
752 sizeof( "u=*\r\n" ) + strlen( p_sys->psz_session_url ) +
753 sizeof( "e=*\r\n" ) + strlen( p_sys->psz_session_email ) +
754 sizeof( "t=0 0\r\n" ) + /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
755 sizeof( "a=tool:"PACKAGE_STRING"\r\n" ) +
756 sizeof( "c=IN IP4 */*\r\n" ) + 20 + 10 +
757 strlen( psz_destination ) ;
758 for( i = 0; i < p_sys->i_es; i++ )
760 sout_stream_id_t *id = p_sys->es[i];
762 i_size += strlen( "m=**d*o * RTP/AVP *\r\n" ) + 10 + 10;
765 i_size += strlen( "a=rtpmap:* *\r\n" ) + strlen( id->psz_rtpmap )+10;
769 i_size += strlen( "a=fmtp:* *\r\n" ) + strlen( id->psz_fmtp ) + 10;
773 i_size += strlen( "a=control:*/trackid=*\r\n" ) + strlen( p_sys->psz_rtsp_control ) + 10;
777 ipv = ( strchr( psz_destination, ':' ) != NULL ) ? '6' : '4';
779 p = psz_sdp = malloc( i_size );
780 p += sprintf( p, "v=0\r\n" );
781 p += sprintf( p, "o=- "I64Fd" %d IN IP%c %s\r\n",
782 p_sys->i_sdp_id, p_sys->i_sdp_version,
783 ipv, ipv == '6' ? "::" : "127.0.0.1" );
784 if( *p_sys->psz_session_name )
785 p += sprintf( p, "s=%s\r\n", p_sys->psz_session_name );
786 if( *p_sys->psz_session_description )
787 p += sprintf( p, "i=%s\r\n", p_sys->psz_session_description );
788 if( *p_sys->psz_session_url )
789 p += sprintf( p, "u=%s\r\n", p_sys->psz_session_url );
790 if( *p_sys->psz_session_email )
791 p += sprintf( p, "e=%s\r\n", p_sys->psz_session_email );
793 p += sprintf( p, "t=0 0\r\n" ); /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
794 p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" );
796 p += sprintf( p, "c=IN IP%c %s", ipv, psz_destination );
798 if( net_AddressIsMulticast( (vlc_object_t *)p_stream, psz_destination ) )
800 /* Add the ttl if it is a multicast address */
801 p += sprintf( p, "/%d\r\n", p_sys->i_ttl );
805 p += sprintf( p, "\r\n" );
808 for( i = 0; i < p_sys->i_es; i++ )
810 sout_stream_id_t *id = p_sys->es[i];
812 if( id->i_cat == AUDIO_ES )
814 p += sprintf( p, "m=audio %d RTP/AVP %d\r\n",
815 id->i_port, id->i_payload_type );
817 else if( id->i_cat == VIDEO_ES )
819 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
820 id->i_port, id->i_payload_type );
828 p += sprintf( p, "a=rtpmap:%d %s\r\n", id->i_payload_type,
833 p += sprintf( p, "a=fmtp:%d %s\r\n", id->i_payload_type,
838 p += sprintf( p, "a=control:%s/trackid=%d\r\n", p_sys->psz_rtsp_control, i );
845 /*****************************************************************************
847 *****************************************************************************/
848 static int rtp_packetize_l16 ( sout_stream_t *, sout_stream_id_t *, block_t * );
849 static int rtp_packetize_l8 ( sout_stream_t *, sout_stream_id_t *, block_t * );
850 static int rtp_packetize_mpa ( sout_stream_t *, sout_stream_id_t *, block_t * );
851 static int rtp_packetize_mpv ( sout_stream_t *, sout_stream_id_t *, block_t * );
852 static int rtp_packetize_ac3 ( sout_stream_t *, sout_stream_id_t *, block_t * );
853 static int rtp_packetize_split( sout_stream_t *, sout_stream_id_t *, block_t * );
854 static int rtp_packetize_mp4a ( sout_stream_t *, sout_stream_id_t *, block_t * );
855 static int rtp_packetize_h263 ( sout_stream_t *, sout_stream_id_t *, block_t * );
856 static int rtp_packetize_amr ( sout_stream_t *, sout_stream_id_t *, block_t * );
858 static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
860 static const char hex[16] = "0123456789abcdef";
863 for( i = 0; i < i_data; i++ )
865 s[2*i+0] = hex[(p_data[i]>>4)&0xf];
866 s[2*i+1] = hex[(p_data[i] )&0xf];
871 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
873 sout_instance_t *p_sout = p_stream->p_sout;
874 sout_stream_sys_t *p_sys = p_stream->p_sys;
875 sout_stream_id_t *id;
876 sout_access_out_t *p_access = NULL;
880 if( p_sys->p_mux != NULL )
882 sout_input_t *p_input = NULL;
883 if( ( p_input = sout_MuxAddStream( p_sys->p_mux, p_fmt ) ) == NULL )
885 msg_Err( p_stream, "cannot add this stream to the muxer" );
889 id = malloc( sizeof( sout_stream_id_t ) );
890 memset( id, 0, sizeof( sout_stream_id_t ) );
892 id->p_input = p_input;
893 id->pf_packetize= NULL;
894 id->p_rtsp_url = NULL;
900 /* Choose the port */
902 if( p_fmt->i_cat == AUDIO_ES && p_sys->i_port_audio > 0 )
904 i_port = p_sys->i_port_audio;
905 p_sys->i_port_audio = 0;
907 else if( p_fmt->i_cat == VIDEO_ES && p_sys->i_port_video > 0 )
909 i_port = p_sys->i_port_video;
910 p_sys->i_port_video = 0;
914 if( p_sys->i_port != p_sys->i_port_audio && p_sys->i_port != p_sys->i_port_video )
916 i_port = p_sys->i_port;
923 if( p_sys->psz_destination )
926 char url[NI_MAXHOST + 8];
928 /* first try to create the access out */
929 if( p_sys->i_ttl > 0 )
931 snprintf( access, sizeof( access ), "udp{raw,ttl=%d}",
933 access[sizeof( access ) - 1] = '\0';
936 strcpy( access, "udp{raw}" );
938 snprintf( url, sizeof( url ), (( p_sys->psz_destination[0] != '[' ) &&
939 strchr( p_sys->psz_destination, ':' )) ? "[%s]:%d" : "%s:%d",
940 p_sys->psz_destination, i_port );
941 url[sizeof( url ) - 1] = '\0';
943 if( ( p_access = sout_AccessOutNew( p_sout, access, url ) ) == NULL )
945 msg_Err( p_stream, "cannot create the access out for %s://%s",
949 msg_Dbg( p_stream, "access out %s:%s", access, url );
952 /* not create the rtp specific stuff */
953 id = malloc( sizeof( sout_stream_id_t ) );
954 memset( id, 0, sizeof( sout_stream_id_t ) );
955 id->p_stream = p_stream;
956 id->p_access = p_access;
958 id->psz_rtpmap = NULL;
960 id->psz_destination = p_sys->psz_destination ? strdup( p_sys->psz_destination ) : NULL;
962 id->p_rtsp_url = NULL;
963 vlc_mutex_init( p_stream, &id->lock_rtsp );
964 id->i_rtsp_access = 0;
965 id->rtsp_access = NULL;
967 switch( p_fmt->i_codec )
969 case VLC_FOURCC( 's', '1', '6', 'b' ):
970 if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
972 id->i_payload_type = 11;
974 else if( p_fmt->audio.i_channels == 2 &&
975 p_fmt->audio.i_rate == 44100 )
977 id->i_payload_type = 10;
981 id->i_payload_type = p_sys->i_payload_type++;
983 id->psz_rtpmap = malloc( strlen( "L16/*/*" ) + 20+1 );
984 sprintf( id->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
985 p_fmt->audio.i_channels );
986 id->i_clock_rate = p_fmt->audio.i_rate;
987 id->pf_packetize = rtp_packetize_l16;
989 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
990 id->i_payload_type = p_sys->i_payload_type++;
991 id->psz_rtpmap = malloc( strlen( "L8/*/*" ) + 20+1 );
992 sprintf( id->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
993 p_fmt->audio.i_channels );
994 id->i_clock_rate = p_fmt->audio.i_rate;
995 id->pf_packetize = rtp_packetize_l8;
997 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
998 id->i_payload_type = 14;
999 id->i_clock_rate = 90000;
1000 id->psz_rtpmap = strdup( "MPA/90000" );
1001 id->pf_packetize = rtp_packetize_mpa;
1003 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
1004 id->i_payload_type = 32;
1005 id->i_clock_rate = 90000;
1006 id->psz_rtpmap = strdup( "MPV/90000" );
1007 id->pf_packetize = rtp_packetize_mpv;
1009 case VLC_FOURCC( 'a', '5', '2', ' ' ):
1010 id->i_payload_type = p_sys->i_payload_type++;
1011 id->i_clock_rate = 90000;
1012 id->psz_rtpmap = strdup( "ac3/90000" );
1013 id->pf_packetize = rtp_packetize_ac3;
1015 case VLC_FOURCC( 'H', '2', '6', '3' ):
1016 id->i_payload_type = p_sys->i_payload_type++;
1017 id->i_clock_rate = 90000;
1018 id->psz_rtpmap = strdup( "H263-1998/90000" );
1019 id->pf_packetize = rtp_packetize_h263;
1022 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
1024 char hexa[2*p_fmt->i_extra +1];
1026 id->i_payload_type = p_sys->i_payload_type++;
1027 id->i_clock_rate = 90000;
1028 id->psz_rtpmap = strdup( "MP4V-ES/90000" );
1029 id->pf_packetize = rtp_packetize_split;
1030 if( p_fmt->i_extra > 0 )
1032 id->psz_fmtp = malloc( 100 + 2 * p_fmt->i_extra );
1033 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
1034 sprintf( id->psz_fmtp,
1035 "profile-level-id=3; config=%s;", hexa );
1039 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
1041 char hexa[2*p_fmt->i_extra +1];
1043 id->i_payload_type = p_sys->i_payload_type++;
1044 id->i_clock_rate = p_fmt->audio.i_rate;
1045 id->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
1046 sprintf( id->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
1047 id->pf_packetize = rtp_packetize_mp4a;
1048 id->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
1049 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
1050 sprintf( id->psz_fmtp,
1051 "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
1052 "config=%s; SizeLength=13;IndexLength=3; "
1053 "IndexDeltaLength=3; Profile=1;", hexa );
1056 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
1057 id->i_payload_type = p_sys->i_payload_type++;
1058 id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
1059 "AMR/8000/2" : "AMR/8000" );
1060 id->psz_fmtp = strdup( "octet-align=1" );
1061 id->i_clock_rate = p_fmt->audio.i_rate;
1062 id->pf_packetize = rtp_packetize_amr;
1064 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
1065 id->i_payload_type = p_sys->i_payload_type++;
1066 id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
1067 "AMR-WB/16000/2" : "AMR-WB/16000" );
1068 id->psz_fmtp = strdup( "octet-align=1" );
1069 id->i_clock_rate = p_fmt->audio.i_rate;
1070 id->pf_packetize = rtp_packetize_amr;
1074 msg_Err( p_stream, "cannot add this stream (unsupported "
1075 "codec:%4.4s)", (char*)&p_fmt->i_codec );
1078 sout_AccessOutDelete( p_access );
1083 id->i_cat = p_fmt->i_cat;
1085 id->ssrc[0] = rand()&0xff;
1086 id->ssrc[1] = rand()&0xff;
1087 id->ssrc[2] = rand()&0xff;
1088 id->ssrc[3] = rand()&0xff;
1089 id->i_sequence = rand()&0xffff;
1090 id->i_timestamp_start = rand()&0xffffffff;
1092 id->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beuk */
1093 if( id->i_mtu <= 16 )
1095 /* better than nothing */
1098 msg_Dbg( p_stream, "using mtu=%d", id->i_mtu );
1100 if( p_sys->p_rtsp_url )
1102 char psz_urlc[strlen( p_sys->psz_rtsp_control ) + 1 + 10];
1104 sprintf( psz_urlc, "%s/trackid=%d", p_sys->psz_rtsp_path, p_sys->i_es );
1105 fprintf( stderr, "rtsp: adding %s\n", psz_urlc );
1106 id->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, psz_urlc, NULL, NULL, NULL );
1108 if( id->p_rtsp_url )
1110 httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_SETUP, RtspCallbackId, (void*)id );
1111 //httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
1112 //httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
1117 /* Update p_sys context */
1118 vlc_mutex_lock( &p_sys->lock_es );
1119 TAB_APPEND( p_sys->i_es, p_sys->es, id );
1120 vlc_mutex_unlock( &p_sys->lock_es );
1122 psz_sdp = SDPGenerate( p_stream, p_sys->psz_destination, VLC_FALSE );
1124 vlc_mutex_lock( &p_sys->lock_sdp );
1125 free( p_sys->psz_sdp );
1126 p_sys->psz_sdp = psz_sdp;
1127 vlc_mutex_unlock( &p_sys->lock_sdp );
1129 p_sys->i_sdp_version++;
1131 fprintf( stderr, "sdp=%s", p_sys->psz_sdp );
1133 /* Update SDP (sap/file) */
1134 if( p_sys->b_export_sap ) SapSetup( p_stream );
1135 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
1140 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
1142 sout_stream_sys_t *p_sys = p_stream->p_sys;
1144 vlc_mutex_lock( &p_sys->lock_es );
1145 TAB_REMOVE( p_sys->i_es, p_sys->es, id );
1146 vlc_mutex_unlock( &p_sys->lock_es );
1149 if( id->i_port > 0 )
1151 if( id->i_cat == AUDIO_ES && p_sys->i_port_audio == 0 )
1152 p_sys->i_port_audio = id->i_port;
1153 else if( id->i_cat == VIDEO_ES && p_sys->i_port_video == 0 )
1154 p_sys->i_port_video = id->i_port;
1159 if( id->psz_rtpmap )
1161 free( id->psz_rtpmap );
1165 free( id->psz_fmtp );
1167 if( id->psz_destination )
1168 free( id->psz_destination );
1169 sout_AccessOutDelete( id->p_access );
1171 else if( id->p_input )
1173 sout_MuxDeleteStream( p_sys->p_mux, id->p_input );
1175 if( id->p_rtsp_url )
1177 httpd_UrlDelete( id->p_rtsp_url );
1179 vlc_mutex_destroy( &id->lock_rtsp );
1180 if( id->rtsp_access ) free( id->rtsp_access );
1182 /* Update SDP (sap/file) */
1183 if( p_sys->b_export_sap && !p_sys->p_mux ) SapSetup( p_stream );
1184 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
1190 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
1195 if( p_stream->p_sys->p_mux )
1197 sout_MuxSendBuffer( p_stream->p_sys->p_mux, id->p_input, p_buffer );
1203 p_next = p_buffer->p_next;
1204 if( id->pf_packetize( p_stream, id, p_buffer ) )
1208 block_Release( p_buffer );
1216 static int AccessOutGrabberWriteBuffer( sout_stream_t *p_stream,
1219 sout_stream_sys_t *p_sys = p_stream->p_sys;
1221 int64_t i_dts = p_buffer->i_dts;
1222 uint32_t i_timestamp = i_dts * 9 / 100;
1224 uint8_t *p_data = p_buffer->p_buffer;
1225 unsigned int i_data = p_buffer->i_buffer;
1226 unsigned int i_max = p_sys->i_mtu - 12;
1228 unsigned i_packet = ( p_buffer->i_buffer + i_max - 1 ) / i_max;
1232 unsigned int i_size;
1234 /* output complete packet */
1235 if( p_sys->packet &&
1236 p_sys->packet->i_buffer + i_data > i_max )
1238 sout_AccessOutWrite( p_sys->p_access, p_sys->packet );
1239 p_sys->packet = NULL;
1242 if( p_sys->packet == NULL )
1244 /* allocate a new packet */
1245 p_sys->packet = block_New( p_stream, p_sys->i_mtu );
1246 p_sys->packet->p_buffer[ 0] = 0x80;
1247 p_sys->packet->p_buffer[ 1] = 0x80|p_sys->i_payload_type;
1248 p_sys->packet->p_buffer[ 2] = ( p_sys->i_sequence >> 8)&0xff;
1249 p_sys->packet->p_buffer[ 3] = ( p_sys->i_sequence )&0xff;
1250 p_sys->packet->p_buffer[ 4] = ( i_timestamp >> 24 )&0xff;
1251 p_sys->packet->p_buffer[ 5] = ( i_timestamp >> 16 )&0xff;
1252 p_sys->packet->p_buffer[ 6] = ( i_timestamp >> 8 )&0xff;
1253 p_sys->packet->p_buffer[ 7] = ( i_timestamp )&0xff;
1254 p_sys->packet->p_buffer[ 8] = p_sys->ssrc[0];
1255 p_sys->packet->p_buffer[ 9] = p_sys->ssrc[1];
1256 p_sys->packet->p_buffer[10] = p_sys->ssrc[2];
1257 p_sys->packet->p_buffer[11] = p_sys->ssrc[3];
1258 p_sys->packet->i_buffer = 12;
1260 p_sys->packet->i_dts = i_dts;
1261 p_sys->packet->i_length = p_buffer->i_length / i_packet;
1262 i_dts += p_sys->packet->i_length;
1264 p_sys->i_sequence++;
1267 i_size = __MIN( i_data,
1268 (unsigned)(p_sys->i_mtu - p_sys->packet->i_buffer) );
1270 memcpy( &p_sys->packet->p_buffer[p_sys->packet->i_buffer],
1273 p_sys->packet->i_buffer += i_size;
1281 static int AccessOutGrabberWrite( sout_access_out_t *p_access,
1284 sout_stream_t *p_stream = (sout_stream_t*)p_access->p_sys;
1286 //fprintf( stderr, "received buffer size=%d\n", p_buffer->i_buffer );
1292 AccessOutGrabberWriteBuffer( p_stream, p_buffer );
1294 p_next = p_buffer->p_next;
1295 block_Release( p_buffer );
1302 /****************************************************************************
1304 ****************************************************************************/
1305 static int SapSetup( sout_stream_t *p_stream )
1307 sout_stream_sys_t *p_sys = p_stream->p_sys;
1308 sout_instance_t *p_sout = p_stream->p_sout;
1309 announce_method_t *p_method = sout_AnnounceMethodCreate( METHOD_TYPE_SAP );
1311 /* Remove the previous session */
1312 if( p_sys->p_session != NULL)
1314 sout_AnnounceUnRegister( p_sout, p_sys->p_session);
1315 sout_AnnounceSessionDestroy( p_sys->p_session );
1316 p_sys->p_session = NULL;
1319 if( ( p_sys->i_es > 0 || p_sys->p_mux ) && p_sys->psz_sdp && *p_sys->psz_sdp )
1321 p_sys->p_session = sout_AnnounceRegisterSDP( p_sout, p_sys->psz_sdp,
1322 p_sys->psz_destination,
1330 /****************************************************************************
1332 ****************************************************************************/
1333 static int FileSetup( sout_stream_t *p_stream )
1335 sout_stream_sys_t *p_sys = p_stream->p_sys;
1338 if( ( f = fopen( p_sys->psz_sdp_file, "wt" ) ) == NULL )
1340 msg_Err( p_stream, "cannot open file '%s' (%s)",
1341 p_sys->psz_sdp_file, strerror(errno) );
1342 return VLC_EGENERIC;
1345 fprintf( f, "%s", p_sys->psz_sdp );
1351 /****************************************************************************
1353 ****************************************************************************/
1354 static int HttpCallback( httpd_file_sys_t *p_args,
1355 httpd_file_t *, uint8_t *p_request,
1356 uint8_t **pp_data, int *pi_data );
1358 static int HttpSetup( sout_stream_t *p_stream, vlc_url_t *url)
1360 sout_stream_sys_t *p_sys = p_stream->p_sys;
1362 p_sys->p_httpd_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 80 );
1363 if( p_sys->p_httpd_host )
1365 p_sys->p_httpd_file = httpd_FileNew( p_sys->p_httpd_host,
1366 url->psz_path ? url->psz_path : "/",
1369 HttpCallback, (void*)p_sys );
1371 if( p_sys->p_httpd_file == NULL )
1373 return VLC_EGENERIC;
1378 static int HttpCallback( httpd_file_sys_t *p_args,
1379 httpd_file_t *f, uint8_t *p_request,
1380 uint8_t **pp_data, int *pi_data )
1382 sout_stream_sys_t *p_sys = (sout_stream_sys_t*)p_args;
1384 vlc_mutex_lock( &p_sys->lock_sdp );
1385 if( p_sys->psz_sdp && *p_sys->psz_sdp )
1387 *pi_data = strlen( p_sys->psz_sdp );
1388 *pp_data = malloc( *pi_data );
1389 memcpy( *pp_data, p_sys->psz_sdp, *pi_data );
1396 vlc_mutex_unlock( &p_sys->lock_sdp );
1401 /****************************************************************************
1403 ****************************************************************************/
1404 static rtsp_client_t *RtspClientNew( sout_stream_t *p_stream, char *psz_session )
1406 rtsp_client_t *rtsp = malloc( sizeof( rtsp_client_t ));
1408 rtsp->psz_session = psz_session;
1410 rtsp->b_playing = VLC_FALSE;
1414 rtsp->access = NULL;
1416 TAB_APPEND( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
1420 static rtsp_client_t *RtspClientGet( sout_stream_t *p_stream, char *psz_session )
1423 for( i = 0; i < p_stream->p_sys->i_rtsp; i++ )
1425 if( !strcmp( p_stream->p_sys->rtsp[i]->psz_session, psz_session ) )
1427 return p_stream->p_sys->rtsp[i];
1433 static void RtspClientDel( sout_stream_t *p_stream, rtsp_client_t *rtsp )
1436 TAB_REMOVE( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
1438 for( i = 0; i < rtsp->i_access; i++ )
1440 sout_AccessOutDelete( rtsp->access[i] );
1442 if( rtsp->id ) free( rtsp->id );
1443 if( rtsp->access ) free( rtsp->access );
1445 free( rtsp->psz_session );
1449 static int RtspSetup( sout_stream_t *p_stream, vlc_url_t *url )
1451 sout_stream_sys_t *p_sys = p_stream->p_sys;
1453 fprintf( stderr, "rtsp setup: %s : %d / %s\n", url->psz_host, url->i_port, url->psz_path );
1455 p_sys->p_rtsp_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 554 );
1456 if( p_sys->p_rtsp_host == NULL )
1458 return VLC_EGENERIC;
1461 p_sys->psz_rtsp_path = strdup( url->psz_path ? url->psz_path : "/" );
1462 p_sys->psz_rtsp_control = malloc (strlen( url->psz_host ) + 20 + strlen( p_sys->psz_rtsp_path ) + 1 );
1463 sprintf( p_sys->psz_rtsp_control, "rtsp://%s:%d%s",
1464 url->psz_host, url->i_port > 0 ? url->i_port : 554, p_sys->psz_rtsp_path );
1466 p_sys->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, p_sys->psz_rtsp_path, NULL, NULL, NULL );
1467 if( p_sys->p_rtsp_url == 0 )
1469 return VLC_EGENERIC;
1471 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_DESCRIBE, RtspCallback, (void*)p_stream );
1472 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
1473 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
1474 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_TEARDOWN, RtspCallback, (void*)p_stream );
1479 static int RtspCallback( httpd_callback_sys_t *p_args,
1481 httpd_message_t *answer, httpd_message_t *query )
1483 sout_stream_t *p_stream = (sout_stream_t*)p_args;
1484 sout_stream_sys_t *p_sys = p_stream->p_sys;
1485 char *psz_destination = p_sys->psz_destination;
1486 char *psz_session = NULL;
1488 if( answer == NULL || query == NULL )
1492 fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
1494 answer->i_proto = HTTPD_PROTO_RTSP;
1495 answer->i_version= query->i_version;
1496 answer->i_type = HTTPD_MSG_ANSWER;
1498 switch( query->i_type )
1500 case HTTPD_MSG_DESCRIBE:
1502 char *psz_sdp = SDPGenerate( p_stream, psz_destination ? psz_destination : "0.0.0.0", VLC_TRUE );
1504 answer->i_status = 200;
1505 answer->psz_status = strdup( "OK" );
1506 httpd_MsgAdd( answer, "Content-type", "%s", "application/sdp" );
1508 answer->p_body = (uint8_t *)psz_sdp;
1509 answer->i_body = strlen( psz_sdp );
1513 case HTTPD_MSG_PLAY:
1515 rtsp_client_t *rtsp;
1516 /* for now only multicast so easy */
1517 answer->i_status = 200;
1518 answer->psz_status = strdup( "OK" );
1520 answer->p_body = NULL;
1522 psz_session = httpd_MsgGet( query, "Session" );
1523 rtsp = RtspClientGet( p_stream, psz_session );
1524 if( rtsp && !rtsp->b_playing )
1528 rtsp->b_playing = VLC_TRUE;
1530 vlc_mutex_lock( &p_sys->lock_es );
1531 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
1533 sout_stream_id_t *id = rtsp->id[i_id];
1536 for( i = 0; i < p_sys->i_es; i++ )
1538 if( id == p_sys->es[i] )
1541 if( i >= p_sys->i_es ) continue;
1543 vlc_mutex_lock( &id->lock_rtsp );
1544 TAB_APPEND( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
1545 vlc_mutex_unlock( &id->lock_rtsp );
1547 vlc_mutex_unlock( &p_sys->lock_es );
1551 case HTTPD_MSG_PAUSE:
1553 return VLC_EGENERIC;
1554 case HTTPD_MSG_TEARDOWN:
1556 rtsp_client_t *rtsp;
1558 /* for now only multicast so easy again */
1559 answer->i_status = 200;
1560 answer->psz_status = strdup( "OK" );
1562 answer->p_body = NULL;
1564 psz_session = httpd_MsgGet( query, "Session" );
1565 rtsp = RtspClientGet( p_stream, psz_session );
1570 vlc_mutex_lock( &p_sys->lock_es );
1571 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
1573 sout_stream_id_t *id = rtsp->id[i_id];
1576 for( i = 0; i < p_sys->i_es; i++ )
1578 if( id == p_sys->es[i] )
1581 if( i >= p_sys->i_es ) continue;
1583 vlc_mutex_lock( &id->lock_rtsp );
1584 TAB_REMOVE( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
1585 vlc_mutex_unlock( &id->lock_rtsp );
1587 vlc_mutex_unlock( &p_sys->lock_es );
1589 RtspClientDel( p_stream, rtsp );
1595 return VLC_EGENERIC;
1597 httpd_MsgAdd( answer, "Server", "VLC Server" );
1598 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1599 httpd_MsgAdd( answer, "Cseq", "%d", atoi( httpd_MsgGet( query, "Cseq" ) ) );
1600 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1604 httpd_MsgAdd( answer, "Session", "%s;timeout=5", psz_session );
1609 static int RtspCallbackId( httpd_callback_sys_t *p_args,
1611 httpd_message_t *answer, httpd_message_t *query )
1613 sout_stream_id_t *id = (sout_stream_id_t*)p_args;
1614 sout_stream_t *p_stream = id->p_stream;
1615 sout_stream_sys_t *p_sys = p_stream->p_sys;
1616 char *psz_session = NULL;
1618 if( answer == NULL || query == NULL )
1622 fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
1624 answer->i_proto = HTTPD_PROTO_RTSP;
1625 answer->i_version= query->i_version;
1626 answer->i_type = HTTPD_MSG_ANSWER;
1628 switch( query->i_type )
1630 case HTTPD_MSG_SETUP:
1632 char *psz_transport = httpd_MsgGet( query, "Transport" );
1634 fprintf( stderr, "HTTPD_MSG_SETUP: transport=%s\n", psz_transport );
1636 if( strstr( psz_transport, "multicast" ) && id->psz_destination )
1638 fprintf( stderr, "HTTPD_MSG_SETUP: multicast\n" );
1639 answer->i_status = 200;
1640 answer->psz_status = strdup( "OK" );
1642 answer->p_body = NULL;
1643 psz_session = httpd_MsgGet( query, "Session" );
1644 if( *psz_session == 0 )
1646 psz_session = malloc( 100 );
1647 sprintf( psz_session, "%d", rand() );
1649 httpd_MsgAdd( answer, "Transport",
1650 "RTP/AVP/UDP;destination=%s;port=%d-%d;ttl=%d",
1651 id->psz_destination, id->i_port,id->i_port+1, p_sys->i_ttl );
1653 else if( strstr( psz_transport, "unicast" ) && strstr( psz_transport, "client_port=" ) )
1655 int i_port = atoi( strstr( psz_transport, "client_port=" ) + strlen("client_port=") );
1656 char ip[NI_MAXNUMERICHOST], psz_access[17], psz_url[NI_MAXNUMERICHOST + 8];
1658 sout_access_out_t *p_access;
1660 rtsp_client_t *rtsp = NULL;
1662 if( httpd_ClientIP( cl, ip ) == NULL )
1664 answer->i_status = 500;
1665 answer->psz_status = strdup( "Internal server error" );
1667 answer->p_body = NULL;
1671 fprintf( stderr, "HTTPD_MSG_SETUP: unicast ip=%s port=%d\n",
1674 psz_session = httpd_MsgGet( query, "Session" );
1675 if( *psz_session == 0 )
1677 psz_session = malloc( 100 );
1678 sprintf( psz_session, "%d", rand() );
1680 rtsp = RtspClientNew( p_stream, psz_session );
1684 rtsp = RtspClientGet( p_stream, psz_session );
1687 answer->i_status = 454;
1688 answer->psz_status = strdup( "Unknown session id" );
1690 answer->p_body = NULL;
1695 /* first try to create the access out */
1696 if( p_sys->i_ttl > 0 )
1697 snprintf( psz_access, sizeof( psz_access ),
1698 "udp{raw,ttl=%d}", p_sys->i_ttl );
1700 strncpy( psz_access, "udp{raw}", sizeof( psz_access ) );
1701 psz_access[sizeof( psz_access ) - 1] = '\0';
1703 snprintf( psz_url, sizeof( psz_url ),
1704 ( strchr( ip, ':' ) != NULL ) ? "[%s]:%d" : "%s:%d",
1707 if( ( p_access = sout_AccessOutNew( p_stream->p_sout, psz_access, psz_url ) ) == NULL )
1709 msg_Err( p_stream, "cannot create the access out for %s://%s",
1710 psz_access, psz_url );
1711 answer->i_status = 500;
1712 answer->psz_status = strdup( "Internal server error" );
1714 answer->p_body = NULL;
1718 TAB_APPEND( rtsp->i_id, rtsp->id, id );
1719 TAB_APPEND( rtsp->i_access, rtsp->access, p_access );
1721 answer->i_status = 200;
1722 answer->psz_status = strdup( "OK" );
1724 answer->p_body = NULL;
1726 httpd_MsgAdd( answer, "Transport",
1727 "RTP/AVP/UDP;client_port=%d-%d", i_port, i_port + 1 );
1729 else /* TODO strstr( psz_transport, "interleaved" ) ) */
1731 answer->i_status = 461;
1732 answer->psz_status = strdup( "Unsupported Transport" );
1734 answer->p_body = NULL;
1740 return VLC_EGENERIC;
1742 httpd_MsgAdd( answer, "Server", "VLC Server" );
1743 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1744 httpd_MsgAdd( answer, "Cseq", "%d", atoi( httpd_MsgGet( query, "Cseq" ) ) );
1745 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1749 httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
1754 /****************************************************************************
1756 ****************************************************************************/
1757 static void rtp_packetize_common( sout_stream_id_t *id, block_t *out,
1758 int b_marker, int64_t i_pts )
1760 uint32_t i_timestamp = i_pts * (int64_t)id->i_clock_rate / I64C(1000000);
1762 out->p_buffer[0] = 0x80;
1763 out->p_buffer[1] = (b_marker?0x80:0x00)|id->i_payload_type;
1764 out->p_buffer[2] = ( id->i_sequence >> 8)&0xff;
1765 out->p_buffer[3] = ( id->i_sequence )&0xff;
1766 out->p_buffer[4] = ( i_timestamp >> 24 )&0xff;
1767 out->p_buffer[5] = ( i_timestamp >> 16 )&0xff;
1768 out->p_buffer[6] = ( i_timestamp >> 8 )&0xff;
1769 out->p_buffer[7] = ( i_timestamp )&0xff;
1771 out->p_buffer[ 8] = id->ssrc[0];
1772 out->p_buffer[ 9] = id->ssrc[1];
1773 out->p_buffer[10] = id->ssrc[2];
1774 out->p_buffer[11] = id->ssrc[3];
1780 static void rtp_packetize_send( sout_stream_id_t *id, block_t *out )
1783 vlc_mutex_lock( &id->lock_rtsp );
1784 for( i = 0; i < id->i_rtsp_access; i++ )
1786 sout_AccessOutWrite( id->rtsp_access[i], block_Duplicate( out ) );
1788 vlc_mutex_unlock( &id->lock_rtsp );
1792 sout_AccessOutWrite( id->p_access, out );
1796 block_Release( out );
1800 static int rtp_packetize_mpa( sout_stream_t *p_stream, sout_stream_id_t *id,
1803 int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
1804 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1806 uint8_t *p_data = in->p_buffer;
1807 int i_data = in->i_buffer;
1810 for( i = 0; i < i_count; i++ )
1812 int i_payload = __MIN( i_max, i_data );
1813 block_t *out = block_New( p_stream, 16 + i_payload );
1815 /* rtp common header */
1816 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
1818 out->p_buffer[12] = 0;
1819 out->p_buffer[13] = 0;
1820 /* fragment offset in the current frame */
1821 out->p_buffer[14] = ( (i*i_max) >> 8 )&0xff;
1822 out->p_buffer[15] = ( (i*i_max) )&0xff;
1823 memcpy( &out->p_buffer[16], p_data, i_payload );
1825 out->i_buffer = 16 + i_payload;
1826 out->i_dts = in->i_dts + i * in->i_length / i_count;
1827 out->i_length = in->i_length / i_count;
1829 rtp_packetize_send( id, out );
1831 p_data += i_payload;
1832 i_data -= i_payload;
1839 static int rtp_packetize_mpv( sout_stream_t *p_stream, sout_stream_id_t *id,
1842 int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
1843 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1845 uint8_t *p_data = in->p_buffer;
1846 int i_data = in->i_buffer;
1848 int b_sequence_start = 0;
1849 int i_temporal_ref = 0;
1850 int i_picture_coding_type = 0;
1851 int i_fbv = 0, i_bfc = 0, i_ffv = 0, i_ffc = 0;
1852 int b_start_slice = 0;
1854 /* preparse this packet to get some info */
1855 if( in->i_buffer > 4 )
1857 uint8_t *p = p_data;
1858 int i_rest = in->i_buffer;
1862 while( i_rest > 4 &&
1863 ( p[0] != 0x00 || p[1] != 0x00 || p[2] != 0x01 ) )
1877 /* sequence start code */
1878 b_sequence_start = 1;
1880 else if( *p == 0x00 && i_rest >= 4 )
1883 i_temporal_ref = ( p[1] << 2) |((p[2]>>6)&0x03);
1884 i_picture_coding_type = (p[2] >> 3)&0x07;
1886 if( i_rest >= 4 && ( i_picture_coding_type == 2 ||
1887 i_picture_coding_type == 3 ) )
1889 i_ffv = (p[3] >> 2)&0x01;
1890 i_ffc = ((p[3]&0x03) << 1)|((p[4]>>7)&0x01);
1891 if( i_rest > 4 && i_picture_coding_type == 3 )
1893 i_fbv = (p[4]>>6)&0x01;
1894 i_bfc = (p[4]>>3)&0x07;
1898 else if( *p <= 0xaf )
1905 for( i = 0; i < i_count; i++ )
1907 int i_payload = __MIN( i_max, i_data );
1908 block_t *out = block_New( p_stream,
1910 uint32_t h = ( i_temporal_ref << 16 )|
1911 ( b_sequence_start << 13 )|
1912 ( b_start_slice << 12 )|
1913 ( i == i_count - 1 ? 1 << 11 : 0 )|
1914 ( i_picture_coding_type << 8 )|
1915 ( i_fbv << 7 )|( i_bfc << 4 )|( i_ffv << 3 )|i_ffc;
1917 /* rtp common header */
1918 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
1919 in->i_pts > 0 ? in->i_pts : in->i_dts );
1921 /* 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 */
1922 out->p_buffer[12] = ( h >> 24 )&0xff;
1923 out->p_buffer[13] = ( h >> 16 )&0xff;
1924 out->p_buffer[14] = ( h >> 8 )&0xff;
1925 out->p_buffer[15] = ( h )&0xff;
1927 memcpy( &out->p_buffer[16], p_data, i_payload );
1929 out->i_buffer = 16 + 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;
1941 static int rtp_packetize_ac3( sout_stream_t *p_stream, sout_stream_id_t *id,
1944 int i_max = id->i_mtu - 12 - 2; /* payload max in one packet */
1945 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1947 uint8_t *p_data = in->p_buffer;
1948 int i_data = in->i_buffer;
1951 for( i = 0; i < i_count; i++ )
1953 int i_payload = __MIN( i_max, i_data );
1954 block_t *out = block_New( p_stream, 14 + i_payload );
1956 /* rtp common header */
1957 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
1959 out->p_buffer[12] = 1;
1961 out->p_buffer[13] = 0x00;
1963 memcpy( &out->p_buffer[14], p_data, i_payload );
1965 out->i_buffer = 14 + i_payload;
1966 out->i_dts = in->i_dts + i * in->i_length / i_count;
1967 out->i_length = in->i_length / i_count;
1969 rtp_packetize_send( id, out );
1971 p_data += i_payload;
1972 i_data -= i_payload;
1978 static int rtp_packetize_split( sout_stream_t *p_stream, sout_stream_id_t *id,
1981 int i_max = id->i_mtu - 12; /* payload max in one packet */
1982 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1984 uint8_t *p_data = in->p_buffer;
1985 int i_data = in->i_buffer;
1988 for( i = 0; i < i_count; i++ )
1990 int i_payload = __MIN( i_max, i_data );
1991 block_t *out = block_New( p_stream, 12 + i_payload );
1993 /* rtp common header */
1994 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
1995 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
1996 memcpy( &out->p_buffer[12], p_data, i_payload );
1998 out->i_buffer = 12 + i_payload;
1999 out->i_dts = in->i_dts + i * in->i_length / i_count;
2000 out->i_length = in->i_length / i_count;
2002 rtp_packetize_send( id, out );
2004 p_data += i_payload;
2005 i_data -= i_payload;
2011 static int rtp_packetize_l16( sout_stream_t *p_stream, sout_stream_id_t *id,
2014 int i_max = id->i_mtu - 12; /* payload max in one packet */
2015 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2017 uint8_t *p_data = in->p_buffer;
2018 int i_data = in->i_buffer;
2023 int i_payload = (__MIN( i_max, i_data )/4)*4;
2024 block_t *out = block_New( p_stream, 12 + i_payload );
2026 /* rtp common header */
2027 rtp_packetize_common( id, out, 0,
2028 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2029 memcpy( &out->p_buffer[12], p_data, i_payload );
2031 out->i_buffer = 12 + i_payload;
2032 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
2033 out->i_length = in->i_length / i_count;
2035 rtp_packetize_send( id, out );
2037 p_data += i_payload;
2038 i_data -= i_payload;
2045 static int rtp_packetize_l8( sout_stream_t *p_stream, sout_stream_id_t *id,
2048 int i_max = id->i_mtu - 12; /* payload max in one packet */
2049 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2051 uint8_t *p_data = in->p_buffer;
2052 int i_data = in->i_buffer;
2057 int i_payload = (__MIN( i_max, i_data )/2)*2;
2058 block_t *out = block_New( p_stream, 12 + i_payload );
2060 /* rtp common header */
2061 rtp_packetize_common( id, out, 0,
2062 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2063 memcpy( &out->p_buffer[12], p_data, i_payload );
2065 out->i_buffer = 12 + i_payload;
2066 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
2067 out->i_length = in->i_length / i_count;
2069 rtp_packetize_send( id, out );
2071 p_data += i_payload;
2072 i_data -= i_payload;
2078 static int rtp_packetize_mp4a( sout_stream_t *p_stream, sout_stream_id_t *id,
2081 int i_max = id->i_mtu - 16; /* payload max in one packet */
2082 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2084 uint8_t *p_data = in->p_buffer;
2085 int i_data = in->i_buffer;
2088 for( i = 0; i < i_count; i++ )
2090 int i_payload = __MIN( i_max, i_data );
2091 block_t *out = block_New( p_stream, 16 + i_payload );
2093 /* rtp common header */
2094 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2095 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2097 /* AU headers length (bits) */
2098 out->p_buffer[12] = 0;
2099 out->p_buffer[13] = 2*8;
2100 /* for each AU length 13 bits + idx 3bits, */
2101 out->p_buffer[14] = ( in->i_buffer >> 5 )&0xff;
2102 out->p_buffer[15] = ( (in->i_buffer&0xff)<<3 )|0;
2104 memcpy( &out->p_buffer[16], p_data, i_payload );
2106 out->i_buffer = 16 + i_payload;
2107 out->i_dts = in->i_dts + i * in->i_length / i_count;
2108 out->i_length = in->i_length / i_count;
2110 rtp_packetize_send( id, out );
2112 p_data += i_payload;
2113 i_data -= i_payload;
2121 #define RTP_H263_HEADER_SIZE (2) // plen = 0
2122 #define RTP_H263_PAYLOAD_START (14) // plen = 0
2123 static int rtp_packetize_h263( sout_stream_t *p_stream, sout_stream_id_t *id,
2126 uint8_t *p_data = in->p_buffer;
2127 int i_data = in->i_buffer;
2129 int i_max = id->i_mtu - 12 - RTP_H263_HEADER_SIZE; /* payload max in one packet */
2132 int b_v_bit = 0; // no pesky error resilience
2133 int i_plen = 0; // normally plen=0 for PSC packet
2134 int i_pebit = 0; // because plen=0
2139 return VLC_EGENERIC;
2141 if( p_data[0] || p_data[1] )
2143 return VLC_EGENERIC;
2145 /* remove 2 leading 0 bytes */
2148 i_count = ( i_data + i_max - 1 ) / i_max;
2150 for( i = 0; i < i_count; i++ )
2152 int i_payload = __MIN( i_max, i_data );
2153 block_t *out = block_New( p_stream,
2154 RTP_H263_PAYLOAD_START + i_payload );
2155 b_p_bit = (i == 0) ? 1 : 0;
2156 h = ( b_p_bit << 10 )|
2161 /* rtp common header */
2162 //b_m_bit = 1; // always contains end of frame
2163 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
2164 in->i_pts > 0 ? in->i_pts : in->i_dts );
2167 out->p_buffer[12] = ( h >> 8 )&0xff;
2168 out->p_buffer[13] = ( h )&0xff;
2169 memcpy( &out->p_buffer[RTP_H263_PAYLOAD_START], p_data, i_payload );
2171 out->i_buffer = RTP_H263_PAYLOAD_START + i_payload;
2172 out->i_dts = in->i_dts + i * in->i_length / i_count;
2173 out->i_length = in->i_length / i_count;
2175 rtp_packetize_send( id, out );
2177 p_data += i_payload;
2178 i_data -= i_payload;
2184 static int rtp_packetize_amr( sout_stream_t *p_stream, sout_stream_id_t *id,
2187 int i_max = id->i_mtu - 14; /* payload max in one packet */
2188 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2190 uint8_t *p_data = in->p_buffer;
2191 int i_data = in->i_buffer;
2194 /* Only supports octet-aligned mode */
2195 for( i = 0; i < i_count; i++ )
2197 int i_payload = __MIN( i_max, i_data );
2198 block_t *out = block_New( p_stream, 14 + i_payload );
2200 /* rtp common header */
2201 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2202 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2203 /* Payload header */
2204 out->p_buffer[12] = 0xF0; /* CMR */
2205 out->p_buffer[13] = 0x00; /* ToC */ /* FIXME: frame type */
2207 /* FIXME: are we fed multiple frames ? */
2208 memcpy( &out->p_buffer[14], p_data, i_payload );
2210 out->i_buffer = 14 + i_payload;
2211 out->i_dts = in->i_dts + i * in->i_length / i_count;
2212 out->i_length = in->i_length / i_count;
2214 rtp_packetize_send( id, out );
2216 p_data += i_payload;
2217 i_data -= i_payload;