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 *****************************************************************************/
44 #define DST_TEXT N_("Destination")
45 #define DST_LONGTEXT N_( \
46 "Allows you to specify the output URL used for the streaming output." )
47 #define SDP_TEXT N_("SDP")
48 #define SDP_LONGTEXT N_( \
49 "Allows you to specify the SDP used for the streaming output. " \
50 "You must use an url: http://location to access the SDP via HTTP, " \
51 "rtsp://location for RTSP access, and sap:// for the SDP to be " \
52 "announced via SAP." )
53 #define MUX_TEXT N_("Muxer")
54 #define MUX_LONGTEXT N_( \
55 "Allows you to specify the muxer used for the streaming output." )
57 #define NAME_TEXT N_("Session name")
58 #define NAME_LONGTEXT N_( \
59 "Allows you to specify the session name used for the streaming output." )
60 #define DESC_TEXT N_("Session description")
61 #define DESC_LONGTEXT N_( \
62 "Allows you to give a broader description of the stream." )
63 #define URL_TEXT N_("Session URL")
64 #define URL_LONGTEXT N_( \
65 "Allows you to specify a URL with additional information on the stream." )
66 #define EMAIL_TEXT N_("Session email")
67 #define EMAIL_LONGTEXT N_( \
68 "Allows you to specify contact e-mail address for this session." )
70 #define PORT_TEXT N_("Port")
71 #define PORT_LONGTEXT N_( \
72 "Allows you to specify the base port used for the RTP streaming." )
73 #define PORT_AUDIO_TEXT N_("Audio port")
74 #define PORT_AUDIO_LONGTEXT N_( \
75 "Allows you to specify the default audio port used for the RTP streaming." )
76 #define PORT_VIDEO_TEXT N_("Video port")
77 #define PORT_VIDEO_LONGTEXT N_( \
78 "Allows you to specify the default video port used for the RTP streaming." )
80 #define TTL_TEXT N_("Time To Live")
81 #define TTL_LONGTEXT N_( \
82 "Allows you to specify the time to live for the output stream." )
84 static int Open ( vlc_object_t * );
85 static void Close( vlc_object_t * );
87 #define SOUT_CFG_PREFIX "sout-rtp-"
90 set_shortname( _("RTP"));
91 set_description( _("RTP stream output") );
92 set_capability( "sout stream", 0 );
93 add_shortcut( "rtp" );
94 set_category( CAT_SOUT );
95 set_subcategory( SUBCAT_SOUT_STREAM );
97 add_string( SOUT_CFG_PREFIX "dst", "", NULL, DST_TEXT,
98 DST_LONGTEXT, VLC_TRUE );
99 add_string( SOUT_CFG_PREFIX "sdp", "", NULL, SDP_TEXT,
100 SDP_LONGTEXT, VLC_TRUE );
101 add_string( SOUT_CFG_PREFIX "mux", "", NULL, MUX_TEXT,
102 MUX_LONGTEXT, VLC_TRUE );
104 add_string( SOUT_CFG_PREFIX "name", "NONE", NULL, NAME_TEXT,
105 NAME_LONGTEXT, VLC_TRUE );
106 add_string( SOUT_CFG_PREFIX "description", "", NULL, DESC_TEXT,
107 DESC_LONGTEXT, VLC_TRUE );
108 add_string( SOUT_CFG_PREFIX "url", "", NULL, URL_TEXT,
109 URL_LONGTEXT, VLC_TRUE );
110 add_string( SOUT_CFG_PREFIX "email", "", NULL, EMAIL_TEXT,
111 EMAIL_LONGTEXT, VLC_TRUE );
113 add_integer( SOUT_CFG_PREFIX "port", 1234, NULL, PORT_TEXT,
114 PORT_LONGTEXT, VLC_TRUE );
115 add_integer( SOUT_CFG_PREFIX "port-audio", 1230, NULL, PORT_AUDIO_TEXT,
116 PORT_AUDIO_LONGTEXT, VLC_TRUE );
117 add_integer( SOUT_CFG_PREFIX "port-video", 1232, NULL, PORT_VIDEO_TEXT,
118 PORT_VIDEO_LONGTEXT, VLC_TRUE );
120 add_integer( SOUT_CFG_PREFIX "ttl", 0, NULL, TTL_TEXT,
121 TTL_LONGTEXT, VLC_TRUE );
123 set_callbacks( Open, Close );
126 /*****************************************************************************
127 * Exported prototypes
128 *****************************************************************************/
129 static const char *ppsz_sout_options[] = {
130 "dst", "name", "port", "port-audio", "port-video", "*sdp", "ttl", "mux",
131 "description", "url","email", NULL
134 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
135 static int Del ( sout_stream_t *, sout_stream_id_t * );
136 static int Send( sout_stream_t *, sout_stream_id_t *,
139 /* For unicast/interleaved streaming */
143 int64_t i_last; /* for timeout */
145 /* is it in "play" state */
146 vlc_bool_t b_playing;
148 /* output (id-access) */
150 sout_stream_id_t **id;
152 sout_access_out_t **access;
155 struct sout_stream_sys_t
161 vlc_mutex_t lock_sdp;
163 char *psz_session_name;
164 char *psz_session_description;
165 char *psz_session_url;
166 char *psz_session_email;
169 vlc_bool_t b_export_sdp_file;
172 vlc_bool_t b_export_sap;
173 session_descriptor_t *p_session;
175 httpd_host_t *p_httpd_host;
176 httpd_file_t *p_httpd_file;
178 httpd_host_t *p_rtsp_host;
179 httpd_url_t *p_rtsp_url;
180 char *psz_rtsp_control;
184 char *psz_destination;
190 /* when need to use a private one or when using muxer */
193 /* in case we do TS/PS over rtp */
195 sout_access_out_t *p_access;
197 sout_access_out_t *p_grab;
199 uint32_t i_timestamp_start;
206 sout_stream_id_t **es;
210 rtsp_client_t **rtsp;
213 typedef int (*pf_rtp_packetizer_t)( sout_stream_t *, sout_stream_id_t *,
216 struct sout_stream_id_t
218 sout_stream_t *p_stream;
220 uint8_t i_payload_type;
222 uint32_t i_timestamp_start;
229 char *psz_destination;
233 /* Packetizer specific fields */
234 pf_rtp_packetizer_t pf_packetize;
237 /* for sending the packets */
238 sout_access_out_t *p_access;
240 vlc_mutex_t lock_rtsp;
242 sout_access_out_t **rtsp_access;
245 sout_input_t *p_input;
247 /* RTSP url control */
248 httpd_url_t *p_rtsp_url;
251 static int AccessOutGrabberWrite( sout_access_out_t *, block_t * );
253 static void SDPHandleUrl( sout_stream_t *, char * );
255 static int SapSetup( sout_stream_t *p_stream );
256 static int FileSetup( sout_stream_t *p_stream );
257 static int HttpSetup( sout_stream_t *p_stream, vlc_url_t * );
258 static int RtspSetup( sout_stream_t *p_stream, vlc_url_t * );
260 static int RtspCallback( httpd_callback_sys_t *, httpd_client_t *,
261 httpd_message_t *, httpd_message_t * );
262 static int RtspCallbackId( httpd_callback_sys_t *, httpd_client_t *,
263 httpd_message_t *, httpd_message_t * );
266 static rtsp_client_t *RtspClientNew( sout_stream_t *, char *psz_session );
267 static rtsp_client_t *RtspClientGet( sout_stream_t *, char *psz_session );
268 static void RtspClientDel( sout_stream_t *, rtsp_client_t * );
270 /*****************************************************************************
272 *****************************************************************************/
273 static int Open( vlc_object_t *p_this )
275 sout_stream_t *p_stream = (sout_stream_t*)p_this;
276 sout_instance_t *p_sout = p_stream->p_sout;
277 sout_stream_sys_t *p_sys;
280 sout_CfgParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options, p_stream->p_cfg );
282 p_sys = malloc( sizeof( sout_stream_sys_t ) );
284 p_sys->psz_destination = var_GetString( p_stream, SOUT_CFG_PREFIX "dst" );
285 if( *p_sys->psz_destination == '\0' )
287 free( p_sys->psz_destination );
288 p_sys->psz_destination = NULL;
291 p_sys->psz_session_name = var_GetString( p_stream, SOUT_CFG_PREFIX "name" );
292 p_sys->psz_session_description = var_GetString( p_stream, SOUT_CFG_PREFIX "description" );
293 p_sys->psz_session_url = var_GetString( p_stream, SOUT_CFG_PREFIX "url" );
294 p_sys->psz_session_email = var_GetString( p_stream, SOUT_CFG_PREFIX "email" );
296 p_sys->i_port = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port" );
297 p_sys->i_port_audio = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port-audio" );
298 p_sys->i_port_video = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port-video" );
300 p_sys->psz_sdp_file = NULL;
302 if( p_sys->i_port_audio == p_sys->i_port_video )
304 msg_Err( p_stream, "audio and video port cannot be the same" );
305 p_sys->i_port_audio = 0;
306 p_sys->i_port_video = 0;
309 if( !p_sys->psz_session_name )
311 if( p_sys->psz_destination )
312 p_sys->psz_session_name = strdup( p_sys->psz_destination );
314 p_sys->psz_session_name = strdup( "NONE" );
317 if( !p_sys->psz_destination || *p_sys->psz_destination == '\0' )
320 vlc_bool_t b_ok = VLC_FALSE;
322 for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
324 if( !strcmp( p_cfg->psz_name, "sdp" ) )
326 if( p_cfg->psz_value && !strncasecmp( p_cfg->psz_value, "rtsp", 4 ) )
336 var_Get( p_stream, SOUT_CFG_PREFIX "sdp", &val2 );
337 if( !strncasecmp( val2.psz_string, "rtsp", 4 ) )
339 free( val2.psz_string );
344 msg_Err( p_stream, "missing destination and not in rtsp mode" );
348 p_sys->psz_destination = NULL;
350 else if( p_sys->i_port <= 0 )
352 msg_Err( p_stream, "invalid port" );
357 var_Get( p_stream, SOUT_CFG_PREFIX "ttl", &val );
358 if( ( val.i_int > 255 ) || ( val.i_int < 0 ) )
360 msg_Err( p_stream, "illegal TTL %d", val.i_int );
364 p_sys->i_ttl = val.i_int;
366 p_sys->i_payload_type = 96;
371 p_sys->psz_sdp = NULL;
373 p_sys->i_sdp_id = mdate();
374 p_sys->i_sdp_version = 1;
375 p_sys->psz_sdp = NULL;
377 p_sys->b_export_sap = VLC_FALSE;
378 p_sys->b_export_sdp_file = VLC_FALSE;
379 p_sys->p_session = NULL;
381 p_sys->p_httpd_host = NULL;
382 p_sys->p_httpd_file = NULL;
383 p_sys->p_rtsp_host = NULL;
384 p_sys->p_rtsp_url = NULL;
385 p_sys->psz_rtsp_control = NULL;
386 p_sys->psz_rtsp_path = NULL;
388 vlc_mutex_init( p_stream, &p_sys->lock_sdp );
389 vlc_mutex_init( p_stream, &p_sys->lock_es );
391 p_stream->pf_add = Add;
392 p_stream->pf_del = Del;
393 p_stream->pf_send = Send;
395 p_stream->p_sys = p_sys;
397 var_Get( p_stream, SOUT_CFG_PREFIX "mux", &val );
398 if( *val.psz_string )
400 sout_access_out_t *p_grab;
401 char *psz_rtpmap, url[NI_MAXHOST + 8], access[17], psz_ttl[5], ipv;
403 if( !p_sys->psz_destination || *p_sys->psz_destination == '\0' )
405 msg_Err( p_stream, "rtp needs a destination when muxing" );
410 /* Check muxer type */
411 if( !strncasecmp( val.psz_string, "ps", 2 ) || !strncasecmp( val.psz_string, "mpeg1", 5 ) )
413 psz_rtpmap = "MP2P/90000";
415 else if( !strncasecmp( val.psz_string, "ts", 2 ) )
417 psz_rtpmap = "MP2T/90000";
418 p_sys->i_payload_type = 33;
422 msg_Err( p_stream, "unsupported muxer type with rtp (only ts/ps)" );
427 /* create the access out */
428 if( p_sys->i_ttl > 0 )
430 sprintf( access, "udp{raw,ttl=%d}", p_sys->i_ttl );
434 sprintf( access, "udp{raw}" );
437 /* IPv6 needs brackets if not already present */
438 snprintf( url, sizeof( url ),
439 ( ( p_sys->psz_destination[0] != '[' )
440 && ( strchr( p_sys->psz_destination, ':' ) != NULL ) )
441 ? "[%s]:%d" : "%s:%d", p_sys->psz_destination,
443 url[sizeof( url ) - 1] = '\0';
444 /* FIXME: we should check that url is a numerical address, otherwise
445 * the SDP will be quite broken (regardless of the IP protocol version)
447 ipv = ( strchr( p_sys->psz_destination, ':' ) != NULL ) ? '6' : '4';
449 if( !( p_sys->p_access = sout_AccessOutNew( p_sout, access, url ) ) )
451 msg_Err( p_stream, "cannot create the access out for %s://%s",
456 p_sys->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beurk */
457 if( p_sys->i_mtu <= 16 + MTU_REDUCE )
459 /* better than nothing */
462 p_sys->i_mtu -= MTU_REDUCE;
464 /* the access out grabber TODO export it as sout_AccessOutGrabberNew */
465 p_grab = p_sys->p_grab =
466 vlc_object_create( p_sout, sizeof( sout_access_out_t ) );
467 p_grab->p_module = NULL;
468 p_grab->p_sout = p_sout;
469 p_grab->psz_access = strdup( "grab" );
470 p_grab->p_cfg = NULL;
471 p_grab->psz_name = strdup( "" );
472 p_grab->p_sys = (sout_access_out_sys_t*)p_stream;
473 p_grab->pf_seek = NULL;
474 p_grab->pf_write = AccessOutGrabberWrite;
477 if( !( p_sys->p_mux = sout_MuxNew( p_sout, val.psz_string, p_sys->p_grab ) ) )
479 msg_Err( p_stream, "cannot create the muxer (%s)", val.psz_string );
480 sout_AccessOutDelete( p_sys->p_grab );
481 sout_AccessOutDelete( p_sys->p_access );
486 /* create the SDP for a muxed stream (only once) */
487 /* FIXME http://www.faqs.org/rfcs/rfc2327.html
488 All text fields should be UTF-8 encoded. Use global a:charset to announce this.
489 o= - should be local username (no spaces allowed)
490 o= time should be hashed with some other value to garantue uniqueness
491 o= we need IP6 support?
492 o= don't use the localhost address. use fully qualified domain name or IP4 address
493 p= international phone number (pass via vars?)
495 a= recvonly (missing)
496 a= type:broadcast (missing)
497 a= charset: (normally charset should be UTF-8, this can be used to override s= and i=)
498 a= x-plgroup: (missing)
499 RTP packets need to get the correct src IP address */
500 if( net_AddressIsMulticast( (vlc_object_t *)p_stream, p_sys->psz_destination ) )
502 snprintf( psz_ttl, sizeof( psz_ttl ), "/%d", p_sys->i_ttl ?
503 p_sys->i_ttl : config_GetInt( p_sout, "ttl" ) );
504 psz_ttl[sizeof( psz_ttl ) - 1] = '\0';
511 asprintf( &p_sys->psz_sdp,
513 /* FIXME: source address not known :( */
514 "o=- "I64Fd" %d IN IP%c %s\r\n"
519 "t=0 0\r\n" /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
520 "a=tool:"PACKAGE_STRING"\r\n"
522 "m=video %d RTP/AVP %d\r\n"
523 "a=rtpmap:%d %s\r\n",
524 p_sys->i_sdp_id, p_sys->i_sdp_version,
525 ipv, ipv == '6' ? "::1" : "127.0.0.1" /* FIXME */,
526 p_sys->psz_session_name,
527 p_sys->psz_session_description,
528 p_sys->psz_session_url,
529 p_sys->psz_session_email,
530 ipv, p_sys->psz_destination, psz_ttl,
531 p_sys->i_port, p_sys->i_payload_type,
532 p_sys->i_payload_type, psz_rtpmap );
533 fprintf( stderr, "sdp=%s", p_sys->psz_sdp );
535 /* create the rtp context */
536 p_sys->ssrc[0] = rand()&0xff;
537 p_sys->ssrc[1] = rand()&0xff;
538 p_sys->ssrc[2] = rand()&0xff;
539 p_sys->ssrc[3] = rand()&0xff;
540 p_sys->i_sequence = rand()&0xffff;
541 p_sys->i_timestamp_start = rand()&0xffffffff;
542 p_sys->packet = NULL;
547 p_sys->p_access = NULL;
548 p_sys->p_grab = NULL;
550 free( val.psz_string );
553 var_Get( p_stream, SOUT_CFG_PREFIX "sdp", &val );
554 if( *val.psz_string )
558 SDPHandleUrl( p_stream, val.psz_string );
560 for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
562 if( !strcmp( p_cfg->psz_name, "sdp" ) )
564 if( p_cfg->psz_value == NULL || *p_cfg->psz_value == '\0' )
567 if( !strcmp( p_cfg->psz_value, val.psz_string ) ) /* needed both :sout-rtp-sdp= and rtp{sdp=} can be used */
570 SDPHandleUrl( p_stream, p_cfg->psz_value );
574 free( val.psz_string );
576 /* update p_sout->i_out_pace_nocontrol */
577 p_stream->p_sout->i_out_pace_nocontrol++;
582 /*****************************************************************************
584 *****************************************************************************/
585 static void Close( vlc_object_t * p_this )
587 sout_stream_t *p_stream = (sout_stream_t*)p_this;
588 sout_stream_sys_t *p_sys = p_stream->p_sys;
590 /* update p_sout->i_out_pace_nocontrol */
591 p_stream->p_sout->i_out_pace_nocontrol--;
595 sout_MuxDelete( p_sys->p_mux );
596 sout_AccessOutDelete( p_sys->p_access );
597 sout_AccessOutDelete( p_sys->p_grab );
600 block_Release( p_sys->packet );
602 if( p_sys->b_export_sap )
605 SapSetup( p_stream );
609 while( p_sys->i_rtsp > 0 )
611 RtspClientDel( p_stream, p_sys->rtsp[0] );
614 vlc_mutex_destroy( &p_sys->lock_sdp );
616 if( p_sys->p_httpd_file )
618 httpd_FileDelete( p_sys->p_httpd_file );
620 if( p_sys->p_httpd_host )
622 httpd_HostDelete( p_sys->p_httpd_host );
624 if( p_sys->p_rtsp_url )
626 httpd_UrlDelete( p_sys->p_rtsp_url );
628 if( p_sys->p_rtsp_host )
630 httpd_HostDelete( p_sys->p_rtsp_host );
633 /* why? is this disabled? */
634 if( p_sys->psz_session_name )
636 free( p_sys->psz_session_name );
637 p_sys->psz_session_name = NULL;
639 if( p_sys->psz_session_description )
641 free( p_sys->psz_session_description );
642 p_sys->psz_session_description = NULL;
644 if( p_sys->psz_session_url )
646 free( p_sys->psz_session_url );
647 p_sys->psz_session_url = NULL;
649 if( p_sys->psz_session_email )
651 free( p_sys->psz_session_email );
652 p_sys->psz_session_email = NULL;
657 free( p_sys->psz_sdp );
662 /*****************************************************************************
664 *****************************************************************************/
665 static void SDPHandleUrl( sout_stream_t *p_stream, char *psz_url )
667 sout_stream_sys_t *p_sys = p_stream->p_sys;
670 vlc_UrlParse( &url, psz_url, 0 );
671 if( url.psz_protocol && !strcasecmp( url.psz_protocol, "http" ) )
673 if( p_sys->p_httpd_file )
675 msg_Err( p_stream, "You can used sdp=http:// only once" );
679 if( HttpSetup( p_stream, &url ) )
681 msg_Err( p_stream, "cannot export sdp as http" );
684 else if( url.psz_protocol && !strcasecmp( url.psz_protocol, "rtsp" ) )
686 if( p_sys->p_rtsp_url )
688 msg_Err( p_stream, "You can used sdp=rtsp:// only once" );
692 /* FIXME test if destination is multicast or no destination at all FIXME */
693 if( RtspSetup( p_stream, &url ) )
695 msg_Err( p_stream, "cannot export sdp as rtsp" );
698 else if( ( url.psz_protocol && !strcasecmp( url.psz_protocol, "sap" ) ) ||
699 ( url.psz_host && !strcasecmp( url.psz_host, "sap" ) ) )
701 p_sys->b_export_sap = VLC_TRUE;
702 SapSetup( p_stream );
704 else if( url.psz_protocol && !strcasecmp( url.psz_protocol, "file" ) )
706 if( p_sys->b_export_sdp_file )
708 msg_Err( p_stream, "You can used sdp=file:// only once" );
711 p_sys->b_export_sdp_file = VLC_TRUE;
712 psz_url = &psz_url[5];
713 if( psz_url[0] == '/' && psz_url[1] == '/' )
715 p_sys->psz_sdp_file = strdup( psz_url );
719 msg_Warn( p_stream, "unknown protocol for SDP (%s)",
722 vlc_UrlClean( &url );
725 /*****************************************************************************
727 *****************************************************************************/
728 /* FIXME http://www.faqs.org/rfcs/rfc2327.html
729 All text fields should be UTF-8 encoded. Use global a:charset to announce this.
730 o= - should be local username (no spaces allowed)
731 o= time should be hashed with some other value to garantue uniqueness
732 o= we need IP6 support?
733 o= don't use the localhost address. use fully qualified domain name or IP4 address
734 p= international phone number (pass via vars?)
736 a= recvonly (missing)
737 a= type:broadcast (missing)
738 a= charset: (normally charset should be UTF-8, this can be used to override s= and i=)
739 a= x-plgroup: (missing)
740 RTP packets need to get the correct src IP address */
741 static char *SDPGenerate( const sout_stream_t *p_stream,
742 const char *psz_destination, vlc_bool_t b_rtsp )
744 sout_stream_sys_t *p_sys = p_stream->p_sys;
745 sout_instance_t *p_sout = p_stream->p_sout;
747 char *psz_sdp, *p, ipv;
750 /* FIXME: breaks IP version check on unknown destination */
751 if( psz_destination == NULL )
752 psz_destination = "0.0.0.0";
754 i_size = sizeof( "v=0\r\n" ) +
755 sizeof( "o=- * * IN IP4 127.0.0.1\r\n" ) + 10 + 10 +
756 sizeof( "s=*\r\n" ) + strlen( p_sys->psz_session_name ) +
757 sizeof( "i=*\r\n" ) + strlen( p_sys->psz_session_description ) +
758 sizeof( "u=*\r\n" ) + strlen( p_sys->psz_session_url ) +
759 sizeof( "e=*\r\n" ) + strlen( p_sys->psz_session_email ) +
760 sizeof( "t=0 0\r\n" ) + /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
761 sizeof( "a=tool:"PACKAGE_STRING"\r\n" ) +
762 sizeof( "c=IN IP4 */*\r\n" ) + 20 + 10 +
763 strlen( psz_destination ) ;
764 for( i = 0; i < p_sys->i_es; i++ )
766 sout_stream_id_t *id = p_sys->es[i];
768 i_size += strlen( "m=**d*o * RTP/AVP *\r\n" ) + 10 + 10;
771 i_size += strlen( "a=rtpmap:* *\r\n" ) + strlen( id->psz_rtpmap )+10;
775 i_size += strlen( "a=fmtp:* *\r\n" ) + strlen( id->psz_fmtp ) + 10;
779 i_size += strlen( "a=control:*/trackid=*\r\n" ) + strlen( p_sys->psz_rtsp_control ) + 10;
783 ipv = ( strchr( psz_destination, ':' ) != NULL ) ? '6' : '4';
785 p = psz_sdp = malloc( i_size );
786 p += sprintf( p, "v=0\r\n" );
787 p += sprintf( p, "o=- "I64Fd" %d IN IP%c %s\r\n",
788 p_sys->i_sdp_id, p_sys->i_sdp_version,
789 ipv, ipv == '6' ? "::" : "127.0.0.1" );
790 if( *p_sys->psz_session_name )
791 p += sprintf( p, "s=%s\r\n", p_sys->psz_session_name );
792 if( *p_sys->psz_session_description )
793 p += sprintf( p, "i=%s\r\n", p_sys->psz_session_description );
794 if( *p_sys->psz_session_url )
795 p += sprintf( p, "u=%s\r\n", p_sys->psz_session_url );
796 if( *p_sys->psz_session_email )
797 p += sprintf( p, "e=%s\r\n", p_sys->psz_session_email );
799 p += sprintf( p, "t=0 0\r\n" ); /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
800 p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" );
802 p += sprintf( p, "c=IN IP%c %s", ipv, psz_destination );
804 if( net_AddressIsMulticast( (vlc_object_t *)p_stream, psz_destination ) )
806 /* Add the ttl if it is a multicast address */
807 p += sprintf( p, "/%d\r\n", p_sys->i_ttl ? p_sys->i_ttl :
808 config_GetInt( p_sout, "ttl" ) );
812 p += sprintf( p, "\r\n" );
815 for( i = 0; i < p_sys->i_es; i++ )
817 sout_stream_id_t *id = p_sys->es[i];
819 if( id->i_cat == AUDIO_ES )
821 p += sprintf( p, "m=audio %d RTP/AVP %d\r\n",
822 id->i_port, id->i_payload_type );
824 else if( id->i_cat == VIDEO_ES )
826 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
827 id->i_port, id->i_payload_type );
835 p += sprintf( p, "a=rtpmap:%d %s\r\n", id->i_payload_type,
840 p += sprintf( p, "a=fmtp:%d %s\r\n", id->i_payload_type,
845 p += sprintf( p, "a=control:%s/trackid=%d\r\n", p_sys->psz_rtsp_control, i );
852 /*****************************************************************************
854 *****************************************************************************/
855 static int rtp_packetize_l16 ( sout_stream_t *, sout_stream_id_t *, block_t * );
856 static int rtp_packetize_l8 ( sout_stream_t *, sout_stream_id_t *, block_t * );
857 static int rtp_packetize_mpa ( sout_stream_t *, sout_stream_id_t *, block_t * );
858 static int rtp_packetize_mpv ( sout_stream_t *, sout_stream_id_t *, block_t * );
859 static int rtp_packetize_ac3 ( sout_stream_t *, sout_stream_id_t *, block_t * );
860 static int rtp_packetize_split( sout_stream_t *, sout_stream_id_t *, block_t * );
861 static int rtp_packetize_mp4a ( sout_stream_t *, sout_stream_id_t *, block_t * );
862 static int rtp_packetize_h263 ( sout_stream_t *, sout_stream_id_t *, block_t * );
863 static int rtp_packetize_amr ( sout_stream_t *, sout_stream_id_t *, block_t * );
865 static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
867 static const char hex[16] = "0123456789abcdef";
870 for( i = 0; i < i_data; i++ )
872 s[2*i+0] = hex[(p_data[i]>>4)&0xf];
873 s[2*i+1] = hex[(p_data[i] )&0xf];
878 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
880 sout_instance_t *p_sout = p_stream->p_sout;
881 sout_stream_sys_t *p_sys = p_stream->p_sys;
882 sout_stream_id_t *id;
883 sout_access_out_t *p_access = NULL;
887 if( p_sys->p_mux != NULL )
889 sout_input_t *p_input = NULL;
890 if( ( p_input = sout_MuxAddStream( p_sys->p_mux, p_fmt ) ) == NULL )
892 msg_Err( p_stream, "cannot add this stream to the muxer" );
896 id = malloc( sizeof( sout_stream_id_t ) );
897 memset( id, 0, sizeof( sout_stream_id_t ) );
899 id->p_input = p_input;
900 id->pf_packetize= NULL;
901 id->p_rtsp_url = NULL;
907 /* Choose the port */
909 if( p_fmt->i_cat == AUDIO_ES && p_sys->i_port_audio > 0 )
911 i_port = p_sys->i_port_audio;
912 p_sys->i_port_audio = 0;
914 else if( p_fmt->i_cat == VIDEO_ES && p_sys->i_port_video > 0 )
916 i_port = p_sys->i_port_video;
917 p_sys->i_port_video = 0;
921 if( p_sys->i_port != p_sys->i_port_audio && p_sys->i_port != p_sys->i_port_video )
923 i_port = p_sys->i_port;
930 if( p_sys->psz_destination )
933 char url[NI_MAXHOST + 8];
935 /* first try to create the access out */
936 if( p_sys->i_ttl > 0 )
938 snprintf( access, sizeof( access ), "udp{raw,ttl=%d}",
940 access[sizeof( access ) - 1] = '\0';
943 strcpy( access, "udp{raw}" );
945 snprintf( url, sizeof( url ), (( p_sys->psz_destination[0] != '[' ) &&
946 strchr( p_sys->psz_destination, ':' )) ? "[%s]:%d" : "%s:%d",
947 p_sys->psz_destination, i_port );
948 url[sizeof( url ) - 1] = '\0';
950 if( ( p_access = sout_AccessOutNew( p_sout, access, url ) ) == NULL )
952 msg_Err( p_stream, "cannot create the access out for %s://%s",
956 msg_Dbg( p_stream, "access out %s:%s", access, url );
959 /* not create the rtp specific stuff */
960 id = malloc( sizeof( sout_stream_id_t ) );
961 memset( id, 0, sizeof( sout_stream_id_t ) );
962 id->p_stream = p_stream;
963 id->p_access = p_access;
965 id->psz_rtpmap = NULL;
967 id->psz_destination = p_sys->psz_destination ? strdup( p_sys->psz_destination ) : NULL;
969 id->p_rtsp_url = NULL;
970 vlc_mutex_init( p_stream, &id->lock_rtsp );
971 id->i_rtsp_access = 0;
972 id->rtsp_access = NULL;
974 switch( p_fmt->i_codec )
976 case VLC_FOURCC( 's', '1', '6', 'b' ):
977 if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
979 id->i_payload_type = 11;
981 else if( p_fmt->audio.i_channels == 2 &&
982 p_fmt->audio.i_rate == 44100 )
984 id->i_payload_type = 10;
988 id->i_payload_type = p_sys->i_payload_type++;
990 id->psz_rtpmap = malloc( strlen( "L16/*/*" ) + 20+1 );
991 sprintf( id->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
992 p_fmt->audio.i_channels );
993 id->i_clock_rate = p_fmt->audio.i_rate;
994 id->pf_packetize = rtp_packetize_l16;
996 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
997 id->i_payload_type = p_sys->i_payload_type++;
998 id->psz_rtpmap = malloc( strlen( "L8/*/*" ) + 20+1 );
999 sprintf( id->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
1000 p_fmt->audio.i_channels );
1001 id->i_clock_rate = p_fmt->audio.i_rate;
1002 id->pf_packetize = rtp_packetize_l8;
1004 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
1005 id->i_payload_type = 14;
1006 id->i_clock_rate = 90000;
1007 id->psz_rtpmap = strdup( "MPA/90000" );
1008 id->pf_packetize = rtp_packetize_mpa;
1010 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
1011 id->i_payload_type = 32;
1012 id->i_clock_rate = 90000;
1013 id->psz_rtpmap = strdup( "MPV/90000" );
1014 id->pf_packetize = rtp_packetize_mpv;
1016 case VLC_FOURCC( 'a', '5', '2', ' ' ):
1017 id->i_payload_type = p_sys->i_payload_type++;
1018 id->i_clock_rate = 90000;
1019 id->psz_rtpmap = strdup( "ac3/90000" );
1020 id->pf_packetize = rtp_packetize_ac3;
1022 case VLC_FOURCC( 'H', '2', '6', '3' ):
1023 id->i_payload_type = p_sys->i_payload_type++;
1024 id->i_clock_rate = 90000;
1025 id->psz_rtpmap = strdup( "H263-1998/90000" );
1026 id->pf_packetize = rtp_packetize_h263;
1029 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
1031 char hexa[2*p_fmt->i_extra +1];
1033 id->i_payload_type = p_sys->i_payload_type++;
1034 id->i_clock_rate = 90000;
1035 id->psz_rtpmap = strdup( "MP4V-ES/90000" );
1036 id->pf_packetize = rtp_packetize_split;
1037 if( p_fmt->i_extra > 0 )
1039 id->psz_fmtp = malloc( 100 + 2 * p_fmt->i_extra );
1040 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
1041 sprintf( id->psz_fmtp,
1042 "profile-level-id=3; config=%s;", hexa );
1046 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
1048 char hexa[2*p_fmt->i_extra +1];
1050 id->i_payload_type = p_sys->i_payload_type++;
1051 id->i_clock_rate = p_fmt->audio.i_rate;
1052 id->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
1053 sprintf( id->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
1054 id->pf_packetize = rtp_packetize_mp4a;
1055 id->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
1056 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
1057 sprintf( id->psz_fmtp,
1058 "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
1059 "config=%s; SizeLength=13;IndexLength=3; "
1060 "IndexDeltaLength=3; Profile=1;", hexa );
1063 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
1064 id->i_payload_type = p_sys->i_payload_type++;
1065 id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
1066 "AMR/8000/2" : "AMR/8000" );
1067 id->psz_fmtp = strdup( "octet-align=1" );
1068 id->i_clock_rate = p_fmt->audio.i_rate;
1069 id->pf_packetize = rtp_packetize_amr;
1071 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
1072 id->i_payload_type = p_sys->i_payload_type++;
1073 id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
1074 "AMR-WB/16000/2" : "AMR-WB/16000" );
1075 id->psz_fmtp = strdup( "octet-align=1" );
1076 id->i_clock_rate = p_fmt->audio.i_rate;
1077 id->pf_packetize = rtp_packetize_amr;
1081 msg_Err( p_stream, "cannot add this stream (unsupported "
1082 "codec:%4.4s)", (char*)&p_fmt->i_codec );
1085 sout_AccessOutDelete( p_access );
1090 id->i_cat = p_fmt->i_cat;
1092 id->ssrc[0] = rand()&0xff;
1093 id->ssrc[1] = rand()&0xff;
1094 id->ssrc[2] = rand()&0xff;
1095 id->ssrc[3] = rand()&0xff;
1096 id->i_sequence = rand()&0xffff;
1097 id->i_timestamp_start = rand()&0xffffffff;
1099 id->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beuk */
1100 if( id->i_mtu <= 16 + MTU_REDUCE )
1102 /* better than nothing */
1105 id->i_mtu -= MTU_REDUCE;
1106 msg_Dbg( p_stream, "maximum RTP packet size: %d bytes", id->i_mtu );
1108 if( p_sys->p_rtsp_url )
1110 char psz_urlc[strlen( p_sys->psz_rtsp_control ) + 1 + 10];
1112 sprintf( psz_urlc, "%s/trackid=%d", p_sys->psz_rtsp_path, p_sys->i_es );
1113 fprintf( stderr, "rtsp: adding %s\n", psz_urlc );
1114 id->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, psz_urlc, NULL, NULL, NULL );
1116 if( id->p_rtsp_url )
1118 httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_SETUP, RtspCallbackId, (void*)id );
1119 //httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
1120 //httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
1125 /* Update p_sys context */
1126 vlc_mutex_lock( &p_sys->lock_es );
1127 TAB_APPEND( p_sys->i_es, p_sys->es, id );
1128 vlc_mutex_unlock( &p_sys->lock_es );
1130 psz_sdp = SDPGenerate( p_stream, p_sys->psz_destination, VLC_FALSE );
1132 vlc_mutex_lock( &p_sys->lock_sdp );
1133 free( p_sys->psz_sdp );
1134 p_sys->psz_sdp = psz_sdp;
1135 vlc_mutex_unlock( &p_sys->lock_sdp );
1137 p_sys->i_sdp_version++;
1139 fprintf( stderr, "sdp=%s", p_sys->psz_sdp );
1141 /* Update SDP (sap/file) */
1142 if( p_sys->b_export_sap ) SapSetup( p_stream );
1143 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
1148 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
1150 sout_stream_sys_t *p_sys = p_stream->p_sys;
1152 vlc_mutex_lock( &p_sys->lock_es );
1153 TAB_REMOVE( p_sys->i_es, p_sys->es, id );
1154 vlc_mutex_unlock( &p_sys->lock_es );
1157 if( id->i_port > 0 )
1159 if( id->i_cat == AUDIO_ES && p_sys->i_port_audio == 0 )
1160 p_sys->i_port_audio = id->i_port;
1161 else if( id->i_cat == VIDEO_ES && p_sys->i_port_video == 0 )
1162 p_sys->i_port_video = id->i_port;
1167 if( id->psz_rtpmap )
1169 free( id->psz_rtpmap );
1173 free( id->psz_fmtp );
1175 if( id->psz_destination )
1176 free( id->psz_destination );
1177 sout_AccessOutDelete( id->p_access );
1179 else if( id->p_input )
1181 sout_MuxDeleteStream( p_sys->p_mux, id->p_input );
1183 if( id->p_rtsp_url )
1185 httpd_UrlDelete( id->p_rtsp_url );
1187 vlc_mutex_destroy( &id->lock_rtsp );
1188 if( id->rtsp_access ) free( id->rtsp_access );
1190 /* Update SDP (sap/file) */
1191 if( p_sys->b_export_sap && !p_sys->p_mux ) SapSetup( p_stream );
1192 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
1198 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
1203 if( p_stream->p_sys->p_mux )
1205 sout_MuxSendBuffer( p_stream->p_sys->p_mux, id->p_input, p_buffer );
1211 p_next = p_buffer->p_next;
1212 if( id->pf_packetize( p_stream, id, p_buffer ) )
1216 block_Release( p_buffer );
1224 static int AccessOutGrabberWriteBuffer( sout_stream_t *p_stream,
1227 sout_stream_sys_t *p_sys = p_stream->p_sys;
1229 int64_t i_dts = p_buffer->i_dts;
1230 uint32_t i_timestamp = i_dts * 9 / 100;
1232 uint8_t *p_data = p_buffer->p_buffer;
1233 unsigned int i_data = p_buffer->i_buffer;
1234 unsigned int i_max = p_sys->i_mtu - 12;
1236 unsigned i_packet = ( p_buffer->i_buffer + i_max - 1 ) / i_max;
1240 unsigned int i_size;
1242 /* output complete packet */
1243 if( p_sys->packet &&
1244 p_sys->packet->i_buffer + i_data > i_max )
1246 sout_AccessOutWrite( p_sys->p_access, p_sys->packet );
1247 p_sys->packet = NULL;
1250 if( p_sys->packet == NULL )
1252 /* allocate a new packet */
1253 p_sys->packet = block_New( p_stream, p_sys->i_mtu );
1254 p_sys->packet->p_buffer[ 0] = 0x80;
1255 p_sys->packet->p_buffer[ 1] = 0x80|p_sys->i_payload_type;
1256 p_sys->packet->p_buffer[ 2] = ( p_sys->i_sequence >> 8)&0xff;
1257 p_sys->packet->p_buffer[ 3] = ( p_sys->i_sequence )&0xff;
1258 p_sys->packet->p_buffer[ 4] = ( i_timestamp >> 24 )&0xff;
1259 p_sys->packet->p_buffer[ 5] = ( i_timestamp >> 16 )&0xff;
1260 p_sys->packet->p_buffer[ 6] = ( i_timestamp >> 8 )&0xff;
1261 p_sys->packet->p_buffer[ 7] = ( i_timestamp )&0xff;
1262 p_sys->packet->p_buffer[ 8] = p_sys->ssrc[0];
1263 p_sys->packet->p_buffer[ 9] = p_sys->ssrc[1];
1264 p_sys->packet->p_buffer[10] = p_sys->ssrc[2];
1265 p_sys->packet->p_buffer[11] = p_sys->ssrc[3];
1266 p_sys->packet->i_buffer = 12;
1268 p_sys->packet->i_dts = i_dts;
1269 p_sys->packet->i_length = p_buffer->i_length / i_packet;
1270 i_dts += p_sys->packet->i_length;
1272 p_sys->i_sequence++;
1275 i_size = __MIN( i_data,
1276 (unsigned)(p_sys->i_mtu - p_sys->packet->i_buffer) );
1278 memcpy( &p_sys->packet->p_buffer[p_sys->packet->i_buffer],
1281 p_sys->packet->i_buffer += i_size;
1289 static int AccessOutGrabberWrite( sout_access_out_t *p_access,
1292 sout_stream_t *p_stream = (sout_stream_t*)p_access->p_sys;
1294 //fprintf( stderr, "received buffer size=%d\n", p_buffer->i_buffer );
1300 AccessOutGrabberWriteBuffer( p_stream, p_buffer );
1302 p_next = p_buffer->p_next;
1303 block_Release( p_buffer );
1310 /****************************************************************************
1312 ****************************************************************************/
1313 static int SapSetup( sout_stream_t *p_stream )
1315 sout_stream_sys_t *p_sys = p_stream->p_sys;
1316 sout_instance_t *p_sout = p_stream->p_sout;
1317 announce_method_t *p_method = sout_AnnounceMethodCreate( METHOD_TYPE_SAP );
1319 /* Remove the previous session */
1320 if( p_sys->p_session != NULL)
1322 sout_AnnounceUnRegister( p_sout, p_sys->p_session);
1323 sout_AnnounceSessionDestroy( p_sys->p_session );
1324 p_sys->p_session = NULL;
1327 if( ( p_sys->i_es > 0 || p_sys->p_mux ) && p_sys->psz_sdp && *p_sys->psz_sdp )
1329 p_sys->p_session = sout_AnnounceRegisterSDP( p_sout, p_sys->psz_sdp,
1330 p_sys->psz_destination,
1338 /****************************************************************************
1340 ****************************************************************************/
1341 static int FileSetup( sout_stream_t *p_stream )
1343 sout_stream_sys_t *p_sys = p_stream->p_sys;
1346 if( ( f = fopen( p_sys->psz_sdp_file, "wt" ) ) == NULL )
1348 msg_Err( p_stream, "cannot open file '%s' (%s)",
1349 p_sys->psz_sdp_file, strerror(errno) );
1350 return VLC_EGENERIC;
1353 fprintf( f, "%s", p_sys->psz_sdp );
1359 /****************************************************************************
1361 ****************************************************************************/
1362 static int HttpCallback( httpd_file_sys_t *p_args,
1363 httpd_file_t *, uint8_t *p_request,
1364 uint8_t **pp_data, int *pi_data );
1366 static int HttpSetup( sout_stream_t *p_stream, vlc_url_t *url)
1368 sout_stream_sys_t *p_sys = p_stream->p_sys;
1370 p_sys->p_httpd_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 80 );
1371 if( p_sys->p_httpd_host )
1373 p_sys->p_httpd_file = httpd_FileNew( p_sys->p_httpd_host,
1374 url->psz_path ? url->psz_path : "/",
1377 HttpCallback, (void*)p_sys );
1379 if( p_sys->p_httpd_file == NULL )
1381 return VLC_EGENERIC;
1386 static int HttpCallback( httpd_file_sys_t *p_args,
1387 httpd_file_t *f, uint8_t *p_request,
1388 uint8_t **pp_data, int *pi_data )
1390 sout_stream_sys_t *p_sys = (sout_stream_sys_t*)p_args;
1392 vlc_mutex_lock( &p_sys->lock_sdp );
1393 if( p_sys->psz_sdp && *p_sys->psz_sdp )
1395 *pi_data = strlen( p_sys->psz_sdp );
1396 *pp_data = malloc( *pi_data );
1397 memcpy( *pp_data, p_sys->psz_sdp, *pi_data );
1404 vlc_mutex_unlock( &p_sys->lock_sdp );
1409 /****************************************************************************
1411 ****************************************************************************/
1412 static rtsp_client_t *RtspClientNew( sout_stream_t *p_stream, char *psz_session )
1414 rtsp_client_t *rtsp = malloc( sizeof( rtsp_client_t ));
1416 rtsp->psz_session = psz_session;
1418 rtsp->b_playing = VLC_FALSE;
1422 rtsp->access = NULL;
1424 TAB_APPEND( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
1428 static rtsp_client_t *RtspClientGet( sout_stream_t *p_stream, char *psz_session )
1431 for( i = 0; i < p_stream->p_sys->i_rtsp; i++ )
1433 if( !strcmp( p_stream->p_sys->rtsp[i]->psz_session, psz_session ) )
1435 return p_stream->p_sys->rtsp[i];
1441 static void RtspClientDel( sout_stream_t *p_stream, rtsp_client_t *rtsp )
1444 TAB_REMOVE( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
1446 for( i = 0; i < rtsp->i_access; i++ )
1448 sout_AccessOutDelete( rtsp->access[i] );
1450 if( rtsp->id ) free( rtsp->id );
1451 if( rtsp->access ) free( rtsp->access );
1453 free( rtsp->psz_session );
1457 static int RtspSetup( sout_stream_t *p_stream, vlc_url_t *url )
1459 sout_stream_sys_t *p_sys = p_stream->p_sys;
1461 fprintf( stderr, "rtsp setup: %s : %d / %s\n", url->psz_host, url->i_port, url->psz_path );
1463 p_sys->p_rtsp_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 554 );
1464 if( p_sys->p_rtsp_host == NULL )
1466 return VLC_EGENERIC;
1469 p_sys->psz_rtsp_path = strdup( url->psz_path ? url->psz_path : "/" );
1470 p_sys->psz_rtsp_control = malloc (strlen( url->psz_host ) + 20 + strlen( p_sys->psz_rtsp_path ) + 1 );
1471 sprintf( p_sys->psz_rtsp_control, "rtsp://%s:%d%s",
1472 url->psz_host, url->i_port > 0 ? url->i_port : 554, p_sys->psz_rtsp_path );
1474 p_sys->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, p_sys->psz_rtsp_path, NULL, NULL, NULL );
1475 if( p_sys->p_rtsp_url == 0 )
1477 return VLC_EGENERIC;
1479 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_DESCRIBE, RtspCallback, (void*)p_stream );
1480 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
1481 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
1482 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_TEARDOWN, RtspCallback, (void*)p_stream );
1487 static int RtspCallback( httpd_callback_sys_t *p_args,
1489 httpd_message_t *answer, httpd_message_t *query )
1491 sout_stream_t *p_stream = (sout_stream_t*)p_args;
1492 sout_stream_sys_t *p_sys = p_stream->p_sys;
1493 char *psz_destination = p_sys->psz_destination;
1494 char *psz_session = NULL;
1496 if( answer == NULL || query == NULL )
1500 fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
1502 answer->i_proto = HTTPD_PROTO_RTSP;
1503 answer->i_version= query->i_version;
1504 answer->i_type = HTTPD_MSG_ANSWER;
1506 switch( query->i_type )
1508 case HTTPD_MSG_DESCRIBE:
1510 char *psz_sdp = SDPGenerate( p_stream, psz_destination ? psz_destination : "0.0.0.0", VLC_TRUE );
1512 answer->i_status = 200;
1513 answer->psz_status = strdup( "OK" );
1514 httpd_MsgAdd( answer, "Content-type", "%s", "application/sdp" );
1516 answer->p_body = (uint8_t *)psz_sdp;
1517 answer->i_body = strlen( psz_sdp );
1521 case HTTPD_MSG_PLAY:
1523 rtsp_client_t *rtsp;
1524 /* for now only multicast so easy */
1525 answer->i_status = 200;
1526 answer->psz_status = strdup( "OK" );
1528 answer->p_body = NULL;
1530 psz_session = httpd_MsgGet( query, "Session" );
1531 rtsp = RtspClientGet( p_stream, psz_session );
1532 if( rtsp && !rtsp->b_playing )
1536 rtsp->b_playing = VLC_TRUE;
1538 vlc_mutex_lock( &p_sys->lock_es );
1539 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
1541 sout_stream_id_t *id = rtsp->id[i_id];
1544 for( i = 0; i < p_sys->i_es; i++ )
1546 if( id == p_sys->es[i] )
1549 if( i >= p_sys->i_es ) continue;
1551 vlc_mutex_lock( &id->lock_rtsp );
1552 TAB_APPEND( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
1553 vlc_mutex_unlock( &id->lock_rtsp );
1555 vlc_mutex_unlock( &p_sys->lock_es );
1559 case HTTPD_MSG_PAUSE:
1561 return VLC_EGENERIC;
1562 case HTTPD_MSG_TEARDOWN:
1564 rtsp_client_t *rtsp;
1566 /* for now only multicast so easy again */
1567 answer->i_status = 200;
1568 answer->psz_status = strdup( "OK" );
1570 answer->p_body = NULL;
1572 psz_session = httpd_MsgGet( query, "Session" );
1573 rtsp = RtspClientGet( p_stream, psz_session );
1578 vlc_mutex_lock( &p_sys->lock_es );
1579 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
1581 sout_stream_id_t *id = rtsp->id[i_id];
1584 for( i = 0; i < p_sys->i_es; i++ )
1586 if( id == p_sys->es[i] )
1589 if( i >= p_sys->i_es ) continue;
1591 vlc_mutex_lock( &id->lock_rtsp );
1592 TAB_REMOVE( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
1593 vlc_mutex_unlock( &id->lock_rtsp );
1595 vlc_mutex_unlock( &p_sys->lock_es );
1597 RtspClientDel( p_stream, rtsp );
1603 return VLC_EGENERIC;
1605 httpd_MsgAdd( answer, "Server", "VLC Server" );
1606 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1607 httpd_MsgAdd( answer, "Cseq", "%d", atoi( httpd_MsgGet( query, "Cseq" ) ) );
1608 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1612 httpd_MsgAdd( answer, "Session", "%s;timeout=5", psz_session );
1617 static int RtspCallbackId( httpd_callback_sys_t *p_args,
1619 httpd_message_t *answer, httpd_message_t *query )
1621 sout_stream_id_t *id = (sout_stream_id_t*)p_args;
1622 sout_stream_t *p_stream = id->p_stream;
1623 sout_instance_t *p_sout = p_stream->p_sout;
1624 sout_stream_sys_t *p_sys = p_stream->p_sys;
1625 char *psz_session = NULL;
1627 if( answer == NULL || query == NULL )
1631 fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
1633 answer->i_proto = HTTPD_PROTO_RTSP;
1634 answer->i_version= query->i_version;
1635 answer->i_type = HTTPD_MSG_ANSWER;
1637 switch( query->i_type )
1639 case HTTPD_MSG_SETUP:
1641 char *psz_transport = httpd_MsgGet( query, "Transport" );
1643 fprintf( stderr, "HTTPD_MSG_SETUP: transport=%s\n", psz_transport );
1645 if( strstr( psz_transport, "multicast" ) && id->psz_destination )
1647 fprintf( stderr, "HTTPD_MSG_SETUP: multicast\n" );
1648 answer->i_status = 200;
1649 answer->psz_status = strdup( "OK" );
1651 answer->p_body = NULL;
1652 psz_session = httpd_MsgGet( query, "Session" );
1653 if( *psz_session == 0 )
1655 psz_session = malloc( 100 );
1656 sprintf( psz_session, "%d", rand() );
1658 httpd_MsgAdd( answer, "Transport",
1659 "RTP/AVP/UDP;destination=%s;port=%d-%d;ttl=%d",
1660 id->psz_destination, id->i_port,id->i_port+1,
1661 p_sys->i_ttl ? p_sys->i_ttl :
1662 config_GetInt( p_sout, "ttl" ) );
1664 else if( strstr( psz_transport, "unicast" ) && strstr( psz_transport, "client_port=" ) )
1666 int i_port = atoi( strstr( psz_transport, "client_port=" ) + strlen("client_port=") );
1667 char ip[NI_MAXNUMERICHOST], psz_access[17], psz_url[NI_MAXNUMERICHOST + 8];
1669 sout_access_out_t *p_access;
1671 rtsp_client_t *rtsp = NULL;
1673 if( httpd_ClientIP( cl, ip ) == NULL )
1675 answer->i_status = 500;
1676 answer->psz_status = strdup( "Internal server error" );
1678 answer->p_body = NULL;
1682 fprintf( stderr, "HTTPD_MSG_SETUP: unicast ip=%s port=%d\n",
1685 psz_session = httpd_MsgGet( query, "Session" );
1686 if( *psz_session == 0 )
1688 psz_session = malloc( 100 );
1689 sprintf( psz_session, "%d", rand() );
1691 rtsp = RtspClientNew( p_stream, psz_session );
1695 rtsp = RtspClientGet( p_stream, psz_session );
1698 answer->i_status = 454;
1699 answer->psz_status = strdup( "Unknown session id" );
1701 answer->p_body = NULL;
1706 /* first try to create the access out */
1707 if( p_sys->i_ttl > 0 )
1708 snprintf( psz_access, sizeof( psz_access ),
1709 "udp{raw,ttl=%d}", p_sys->i_ttl );
1711 strncpy( psz_access, "udp{raw}", sizeof( psz_access ) );
1712 psz_access[sizeof( psz_access ) - 1] = '\0';
1714 snprintf( psz_url, sizeof( psz_url ),
1715 ( strchr( ip, ':' ) != NULL ) ? "[%s]:%d" : "%s:%d",
1718 if( ( p_access = sout_AccessOutNew( p_stream->p_sout, psz_access, psz_url ) ) == NULL )
1720 msg_Err( p_stream, "cannot create the access out for %s://%s",
1721 psz_access, psz_url );
1722 answer->i_status = 500;
1723 answer->psz_status = strdup( "Internal server error" );
1725 answer->p_body = NULL;
1729 TAB_APPEND( rtsp->i_id, rtsp->id, id );
1730 TAB_APPEND( rtsp->i_access, rtsp->access, p_access );
1732 answer->i_status = 200;
1733 answer->psz_status = strdup( "OK" );
1735 answer->p_body = NULL;
1737 httpd_MsgAdd( answer, "Transport",
1738 "RTP/AVP/UDP;client_port=%d-%d", i_port, i_port + 1 );
1740 else /* TODO strstr( psz_transport, "interleaved" ) ) */
1742 answer->i_status = 461;
1743 answer->psz_status = strdup( "Unsupported Transport" );
1745 answer->p_body = NULL;
1751 return VLC_EGENERIC;
1753 httpd_MsgAdd( answer, "Server", "VLC Server" );
1754 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1755 httpd_MsgAdd( answer, "Cseq", "%d", atoi( httpd_MsgGet( query, "Cseq" ) ) );
1756 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1760 httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
1765 /****************************************************************************
1767 ****************************************************************************/
1768 static void rtp_packetize_common( sout_stream_id_t *id, block_t *out,
1769 int b_marker, int64_t i_pts )
1771 uint32_t i_timestamp = i_pts * (int64_t)id->i_clock_rate / I64C(1000000);
1773 out->p_buffer[0] = 0x80;
1774 out->p_buffer[1] = (b_marker?0x80:0x00)|id->i_payload_type;
1775 out->p_buffer[2] = ( id->i_sequence >> 8)&0xff;
1776 out->p_buffer[3] = ( id->i_sequence )&0xff;
1777 out->p_buffer[4] = ( i_timestamp >> 24 )&0xff;
1778 out->p_buffer[5] = ( i_timestamp >> 16 )&0xff;
1779 out->p_buffer[6] = ( i_timestamp >> 8 )&0xff;
1780 out->p_buffer[7] = ( i_timestamp )&0xff;
1782 out->p_buffer[ 8] = id->ssrc[0];
1783 out->p_buffer[ 9] = id->ssrc[1];
1784 out->p_buffer[10] = id->ssrc[2];
1785 out->p_buffer[11] = id->ssrc[3];
1791 static void rtp_packetize_send( sout_stream_id_t *id, block_t *out )
1794 vlc_mutex_lock( &id->lock_rtsp );
1795 for( i = 0; i < id->i_rtsp_access; i++ )
1797 sout_AccessOutWrite( id->rtsp_access[i], block_Duplicate( out ) );
1799 vlc_mutex_unlock( &id->lock_rtsp );
1803 sout_AccessOutWrite( id->p_access, out );
1807 block_Release( out );
1811 static int rtp_packetize_mpa( sout_stream_t *p_stream, sout_stream_id_t *id,
1814 int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
1815 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1817 uint8_t *p_data = in->p_buffer;
1818 int i_data = in->i_buffer;
1821 for( i = 0; i < i_count; i++ )
1823 int i_payload = __MIN( i_max, i_data );
1824 block_t *out = block_New( p_stream, 16 + i_payload );
1826 /* rtp common header */
1827 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
1829 out->p_buffer[12] = 0;
1830 out->p_buffer[13] = 0;
1831 /* fragment offset in the current frame */
1832 out->p_buffer[14] = ( (i*i_max) >> 8 )&0xff;
1833 out->p_buffer[15] = ( (i*i_max) )&0xff;
1834 memcpy( &out->p_buffer[16], p_data, i_payload );
1836 out->i_buffer = 16 + i_payload;
1837 out->i_dts = in->i_dts + i * in->i_length / i_count;
1838 out->i_length = in->i_length / i_count;
1840 rtp_packetize_send( id, out );
1842 p_data += i_payload;
1843 i_data -= i_payload;
1850 static int rtp_packetize_mpv( sout_stream_t *p_stream, sout_stream_id_t *id,
1853 int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
1854 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1856 uint8_t *p_data = in->p_buffer;
1857 int i_data = in->i_buffer;
1859 int b_sequence_start = 0;
1860 int i_temporal_ref = 0;
1861 int i_picture_coding_type = 0;
1862 int i_fbv = 0, i_bfc = 0, i_ffv = 0, i_ffc = 0;
1863 int b_start_slice = 0;
1865 /* preparse this packet to get some info */
1866 if( in->i_buffer > 4 )
1868 uint8_t *p = p_data;
1869 int i_rest = in->i_buffer;
1873 while( i_rest > 4 &&
1874 ( p[0] != 0x00 || p[1] != 0x00 || p[2] != 0x01 ) )
1888 /* sequence start code */
1889 b_sequence_start = 1;
1891 else if( *p == 0x00 && i_rest >= 4 )
1894 i_temporal_ref = ( p[1] << 2) |((p[2]>>6)&0x03);
1895 i_picture_coding_type = (p[2] >> 3)&0x07;
1897 if( i_rest >= 4 && ( i_picture_coding_type == 2 ||
1898 i_picture_coding_type == 3 ) )
1900 i_ffv = (p[3] >> 2)&0x01;
1901 i_ffc = ((p[3]&0x03) << 1)|((p[4]>>7)&0x01);
1902 if( i_rest > 4 && i_picture_coding_type == 3 )
1904 i_fbv = (p[4]>>6)&0x01;
1905 i_bfc = (p[4]>>3)&0x07;
1909 else if( *p <= 0xaf )
1916 for( i = 0; i < i_count; i++ )
1918 int i_payload = __MIN( i_max, i_data );
1919 block_t *out = block_New( p_stream,
1921 uint32_t h = ( i_temporal_ref << 16 )|
1922 ( b_sequence_start << 13 )|
1923 ( b_start_slice << 12 )|
1924 ( i == i_count - 1 ? 1 << 11 : 0 )|
1925 ( i_picture_coding_type << 8 )|
1926 ( i_fbv << 7 )|( i_bfc << 4 )|( i_ffv << 3 )|i_ffc;
1928 /* rtp common header */
1929 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
1930 in->i_pts > 0 ? in->i_pts : in->i_dts );
1932 /* 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 */
1933 out->p_buffer[12] = ( h >> 24 )&0xff;
1934 out->p_buffer[13] = ( h >> 16 )&0xff;
1935 out->p_buffer[14] = ( h >> 8 )&0xff;
1936 out->p_buffer[15] = ( h )&0xff;
1938 memcpy( &out->p_buffer[16], p_data, i_payload );
1940 out->i_buffer = 16 + i_payload;
1941 out->i_dts = in->i_dts + i * in->i_length / i_count;
1942 out->i_length = in->i_length / i_count;
1944 rtp_packetize_send( id, out );
1946 p_data += i_payload;
1947 i_data -= i_payload;
1952 static int rtp_packetize_ac3( sout_stream_t *p_stream, sout_stream_id_t *id,
1955 int i_max = id->i_mtu - 12 - 2; /* payload max in one packet */
1956 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1958 uint8_t *p_data = in->p_buffer;
1959 int i_data = in->i_buffer;
1962 for( i = 0; i < i_count; i++ )
1964 int i_payload = __MIN( i_max, i_data );
1965 block_t *out = block_New( p_stream, 14 + i_payload );
1967 /* rtp common header */
1968 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
1970 out->p_buffer[12] = 1;
1972 out->p_buffer[13] = 0x00;
1974 memcpy( &out->p_buffer[14], p_data, i_payload );
1976 out->i_buffer = 14 + i_payload;
1977 out->i_dts = in->i_dts + i * in->i_length / i_count;
1978 out->i_length = in->i_length / i_count;
1980 rtp_packetize_send( id, out );
1982 p_data += i_payload;
1983 i_data -= i_payload;
1989 static int rtp_packetize_split( sout_stream_t *p_stream, sout_stream_id_t *id,
1992 int i_max = id->i_mtu - 12; /* payload max in one packet */
1993 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1995 uint8_t *p_data = in->p_buffer;
1996 int i_data = in->i_buffer;
1999 for( i = 0; i < i_count; i++ )
2001 int i_payload = __MIN( i_max, i_data );
2002 block_t *out = block_New( p_stream, 12 + i_payload );
2004 /* rtp common header */
2005 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2006 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2007 memcpy( &out->p_buffer[12], p_data, i_payload );
2009 out->i_buffer = 12 + i_payload;
2010 out->i_dts = in->i_dts + i * in->i_length / i_count;
2011 out->i_length = in->i_length / i_count;
2013 rtp_packetize_send( id, out );
2015 p_data += i_payload;
2016 i_data -= i_payload;
2022 static int rtp_packetize_l16( sout_stream_t *p_stream, sout_stream_id_t *id,
2025 int i_max = id->i_mtu - 12; /* payload max in one packet */
2026 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2028 uint8_t *p_data = in->p_buffer;
2029 int i_data = in->i_buffer;
2034 int i_payload = (__MIN( i_max, i_data )/4)*4;
2035 block_t *out = block_New( p_stream, 12 + i_payload );
2037 /* rtp common header */
2038 rtp_packetize_common( id, out, 0,
2039 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2040 memcpy( &out->p_buffer[12], p_data, i_payload );
2042 out->i_buffer = 12 + i_payload;
2043 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
2044 out->i_length = in->i_length / i_count;
2046 rtp_packetize_send( id, out );
2048 p_data += i_payload;
2049 i_data -= i_payload;
2056 static int rtp_packetize_l8( sout_stream_t *p_stream, sout_stream_id_t *id,
2059 int i_max = id->i_mtu - 12; /* payload max in one packet */
2060 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2062 uint8_t *p_data = in->p_buffer;
2063 int i_data = in->i_buffer;
2068 int i_payload = (__MIN( i_max, i_data )/2)*2;
2069 block_t *out = block_New( p_stream, 12 + i_payload );
2071 /* rtp common header */
2072 rtp_packetize_common( id, out, 0,
2073 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2074 memcpy( &out->p_buffer[12], p_data, i_payload );
2076 out->i_buffer = 12 + i_payload;
2077 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
2078 out->i_length = in->i_length / i_count;
2080 rtp_packetize_send( id, out );
2082 p_data += i_payload;
2083 i_data -= i_payload;
2089 static int rtp_packetize_mp4a( sout_stream_t *p_stream, sout_stream_id_t *id,
2092 int i_max = id->i_mtu - 16; /* payload max in one packet */
2093 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2095 uint8_t *p_data = in->p_buffer;
2096 int i_data = in->i_buffer;
2099 for( i = 0; i < i_count; i++ )
2101 int i_payload = __MIN( i_max, i_data );
2102 block_t *out = block_New( p_stream, 16 + i_payload );
2104 /* rtp common header */
2105 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2106 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2108 /* AU headers length (bits) */
2109 out->p_buffer[12] = 0;
2110 out->p_buffer[13] = 2*8;
2111 /* for each AU length 13 bits + idx 3bits, */
2112 out->p_buffer[14] = ( in->i_buffer >> 5 )&0xff;
2113 out->p_buffer[15] = ( (in->i_buffer&0xff)<<3 )|0;
2115 memcpy( &out->p_buffer[16], p_data, i_payload );
2117 out->i_buffer = 16 + i_payload;
2118 out->i_dts = in->i_dts + i * in->i_length / i_count;
2119 out->i_length = in->i_length / i_count;
2121 rtp_packetize_send( id, out );
2123 p_data += i_payload;
2124 i_data -= i_payload;
2132 #define RTP_H263_HEADER_SIZE (2) // plen = 0
2133 #define RTP_H263_PAYLOAD_START (14) // plen = 0
2134 static int rtp_packetize_h263( sout_stream_t *p_stream, sout_stream_id_t *id,
2137 uint8_t *p_data = in->p_buffer;
2138 int i_data = in->i_buffer;
2140 int i_max = id->i_mtu - 12 - RTP_H263_HEADER_SIZE; /* payload max in one packet */
2143 int b_v_bit = 0; // no pesky error resilience
2144 int i_plen = 0; // normally plen=0 for PSC packet
2145 int i_pebit = 0; // because plen=0
2150 return VLC_EGENERIC;
2152 if( p_data[0] || p_data[1] )
2154 return VLC_EGENERIC;
2156 /* remove 2 leading 0 bytes */
2159 i_count = ( i_data + i_max - 1 ) / i_max;
2161 for( i = 0; i < i_count; i++ )
2163 int i_payload = __MIN( i_max, i_data );
2164 block_t *out = block_New( p_stream,
2165 RTP_H263_PAYLOAD_START + i_payload );
2166 b_p_bit = (i == 0) ? 1 : 0;
2167 h = ( b_p_bit << 10 )|
2172 /* rtp common header */
2173 //b_m_bit = 1; // always contains end of frame
2174 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
2175 in->i_pts > 0 ? in->i_pts : in->i_dts );
2178 out->p_buffer[12] = ( h >> 8 )&0xff;
2179 out->p_buffer[13] = ( h )&0xff;
2180 memcpy( &out->p_buffer[RTP_H263_PAYLOAD_START], p_data, i_payload );
2182 out->i_buffer = RTP_H263_PAYLOAD_START + i_payload;
2183 out->i_dts = in->i_dts + i * in->i_length / i_count;
2184 out->i_length = in->i_length / i_count;
2186 rtp_packetize_send( id, out );
2188 p_data += i_payload;
2189 i_data -= i_payload;
2195 static int rtp_packetize_amr( sout_stream_t *p_stream, sout_stream_id_t *id,
2198 int i_max = id->i_mtu - 14; /* payload max in one packet */
2199 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2201 uint8_t *p_data = in->p_buffer;
2202 int i_data = in->i_buffer;
2205 /* Only supports octet-aligned mode */
2206 for( i = 0; i < i_count; i++ )
2208 int i_payload = __MIN( i_max, i_data );
2209 block_t *out = block_New( p_stream, 14 + i_payload );
2211 /* rtp common header */
2212 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2213 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2214 /* Payload header */
2215 out->p_buffer[12] = 0xF0; /* CMR */
2216 out->p_buffer[13] = 0x00; /* ToC */ /* FIXME: frame type */
2218 /* FIXME: are we fed multiple frames ? */
2219 memcpy( &out->p_buffer[14], p_data, i_payload );
2221 out->i_buffer = 14 + i_payload;
2222 out->i_dts = in->i_dts + i * in->i_length / i_count;
2223 out->i_length = in->i_length / i_count;
2225 rtp_packetize_send( id, out );
2227 p_data += i_payload;
2228 i_data -= i_payload;