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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
32 #include <vlc/input.h>
35 #include "vlc_httpd.h"
39 /*****************************************************************************
41 *****************************************************************************/
45 #define DST_TEXT N_("Destination")
46 #define DST_LONGTEXT N_( \
47 "Allows you to specify the output URL used for the streaming output." )
48 #define SDP_TEXT N_("SDP")
49 #define SDP_LONGTEXT N_( \
50 "Allows you to specify the SDP used for the streaming output. " \
51 "You must use an url: http://location to access the SDP via HTTP, " \
52 "rtsp://location for RTSP access, and sap:// for the SDP to be " \
53 "announced via SAP." )
54 #define MUX_TEXT N_("Muxer")
55 #define MUX_LONGTEXT N_( \
56 "Allows you to specify the muxer used for the streaming output." )
58 #define NAME_TEXT N_("Session name")
59 #define NAME_LONGTEXT N_( \
60 "Allows you to specify the session name used for the streaming output." )
61 #define DESC_TEXT N_("Session description")
62 #define DESC_LONGTEXT N_( \
63 "Allows you to give a broader description of the stream." )
64 #define URL_TEXT N_("Session URL")
65 #define URL_LONGTEXT N_( \
66 "Allows you to specify a URL with additional information on the stream." )
67 #define EMAIL_TEXT N_("Session email")
68 #define EMAIL_LONGTEXT N_( \
69 "Allows you to specify contact e-mail address for this session." )
71 #define PORT_TEXT N_("Port")
72 #define PORT_LONGTEXT N_( \
73 "Allows you to specify the base port used for the RTP streaming." )
74 #define PORT_AUDIO_TEXT N_("Audio port")
75 #define PORT_AUDIO_LONGTEXT N_( \
76 "Allows you to specify the default audio port used for the RTP streaming." )
77 #define PORT_VIDEO_TEXT N_("Video port")
78 #define PORT_VIDEO_LONGTEXT N_( \
79 "Allows you to specify the default video port used for the RTP streaming." )
81 #define TTL_TEXT N_("Time-To-Live (TTL)")
82 #define TTL_LONGTEXT N_( \
83 "Allows you to specify the Time-To-Live for the output stream." )
85 static int Open ( vlc_object_t * );
86 static void Close( vlc_object_t * );
88 #define SOUT_CFG_PREFIX "sout-rtp-"
91 set_shortname( _("RTP"));
92 set_description( _("RTP stream output") );
93 set_capability( "sout stream", 0 );
94 add_shortcut( "rtp" );
95 set_category( CAT_SOUT );
96 set_subcategory( SUBCAT_SOUT_STREAM );
98 add_string( SOUT_CFG_PREFIX "dst", "", NULL, DST_TEXT,
99 DST_LONGTEXT, VLC_TRUE );
100 add_string( SOUT_CFG_PREFIX "sdp", "", NULL, SDP_TEXT,
101 SDP_LONGTEXT, VLC_TRUE );
102 add_string( SOUT_CFG_PREFIX "mux", "", NULL, MUX_TEXT,
103 MUX_LONGTEXT, VLC_TRUE );
105 add_string( SOUT_CFG_PREFIX "name", "NONE", NULL, NAME_TEXT,
106 NAME_LONGTEXT, VLC_TRUE );
107 add_string( SOUT_CFG_PREFIX "description", "", NULL, DESC_TEXT,
108 DESC_LONGTEXT, VLC_TRUE );
109 add_string( SOUT_CFG_PREFIX "url", "", NULL, URL_TEXT,
110 URL_LONGTEXT, VLC_TRUE );
111 add_string( SOUT_CFG_PREFIX "email", "", NULL, EMAIL_TEXT,
112 EMAIL_LONGTEXT, VLC_TRUE );
114 add_integer( SOUT_CFG_PREFIX "port", 1234, NULL, PORT_TEXT,
115 PORT_LONGTEXT, VLC_TRUE );
116 add_integer( SOUT_CFG_PREFIX "port-audio", 1230, NULL, PORT_AUDIO_TEXT,
117 PORT_AUDIO_LONGTEXT, VLC_TRUE );
118 add_integer( SOUT_CFG_PREFIX "port-video", 1232, NULL, PORT_VIDEO_TEXT,
119 PORT_VIDEO_LONGTEXT, VLC_TRUE );
121 add_integer( SOUT_CFG_PREFIX "ttl", 0, NULL, TTL_TEXT,
122 TTL_LONGTEXT, VLC_TRUE );
124 set_callbacks( Open, Close );
127 /*****************************************************************************
128 * Exported prototypes
129 *****************************************************************************/
130 static const char *ppsz_sout_options[] = {
131 "dst", "name", "port", "port-audio", "port-video", "*sdp", "ttl", "mux",
132 "description", "url","email", NULL
135 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
136 static int Del ( sout_stream_t *, sout_stream_id_t * );
137 static int Send( sout_stream_t *, sout_stream_id_t *,
140 /* For unicast/interleaved streaming */
144 int64_t i_last; /* for timeout */
146 /* is it in "play" state */
147 vlc_bool_t b_playing;
149 /* output (id-access) */
151 sout_stream_id_t **id;
153 sout_access_out_t **access;
156 struct sout_stream_sys_t
162 vlc_mutex_t lock_sdp;
164 char *psz_session_name;
165 char *psz_session_description;
166 char *psz_session_url;
167 char *psz_session_email;
170 vlc_bool_t b_export_sdp_file;
173 vlc_bool_t b_export_sap;
174 session_descriptor_t *p_session;
176 httpd_host_t *p_httpd_host;
177 httpd_file_t *p_httpd_file;
179 httpd_host_t *p_rtsp_host;
180 httpd_url_t *p_rtsp_url;
181 char *psz_rtsp_control;
185 char *psz_destination;
191 /* when need to use a private one or when using muxer */
194 /* in case we do TS/PS over rtp */
196 sout_access_out_t *p_access;
198 sout_access_out_t *p_grab;
200 uint32_t i_timestamp_start;
207 sout_stream_id_t **es;
211 rtsp_client_t **rtsp;
214 typedef int (*pf_rtp_packetizer_t)( sout_stream_t *, sout_stream_id_t *,
217 struct sout_stream_id_t
219 sout_stream_t *p_stream;
221 uint8_t i_payload_type;
223 uint32_t i_timestamp_start;
230 char *psz_destination;
234 /* Packetizer specific fields */
235 pf_rtp_packetizer_t pf_packetize;
238 /* for sending the packets */
239 sout_access_out_t *p_access;
241 vlc_mutex_t lock_rtsp;
243 sout_access_out_t **rtsp_access;
246 sout_input_t *p_input;
248 /* RTSP url control */
249 httpd_url_t *p_rtsp_url;
252 static int AccessOutGrabberWrite( sout_access_out_t *, block_t * );
254 static void SDPHandleUrl( sout_stream_t *, char * );
256 static int SapSetup( sout_stream_t *p_stream );
257 static int FileSetup( sout_stream_t *p_stream );
258 static int HttpSetup( sout_stream_t *p_stream, vlc_url_t * );
259 static int RtspSetup( sout_stream_t *p_stream, vlc_url_t * );
261 static int RtspCallback( httpd_callback_sys_t *, httpd_client_t *,
262 httpd_message_t *, httpd_message_t * );
263 static int RtspCallbackId( httpd_callback_sys_t *, httpd_client_t *,
264 httpd_message_t *, httpd_message_t * );
267 static rtsp_client_t *RtspClientNew( sout_stream_t *, char *psz_session );
268 static rtsp_client_t *RtspClientGet( sout_stream_t *, char *psz_session );
269 static void RtspClientDel( sout_stream_t *, rtsp_client_t * );
271 /*****************************************************************************
273 *****************************************************************************/
274 static int Open( vlc_object_t *p_this )
276 sout_stream_t *p_stream = (sout_stream_t*)p_this;
277 sout_instance_t *p_sout = p_stream->p_sout;
278 sout_stream_sys_t *p_sys;
281 sout_CfgParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options, p_stream->p_cfg );
283 p_sys = malloc( sizeof( sout_stream_sys_t ) );
285 p_sys->psz_destination = var_GetString( p_stream, SOUT_CFG_PREFIX "dst" );
286 if( *p_sys->psz_destination == '\0' )
288 free( p_sys->psz_destination );
289 p_sys->psz_destination = NULL;
292 p_sys->psz_session_name = var_GetString( p_stream, SOUT_CFG_PREFIX "name" );
293 p_sys->psz_session_description = var_GetString( p_stream, SOUT_CFG_PREFIX "description" );
294 p_sys->psz_session_url = var_GetString( p_stream, SOUT_CFG_PREFIX "url" );
295 p_sys->psz_session_email = var_GetString( p_stream, SOUT_CFG_PREFIX "email" );
297 p_sys->i_port = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port" );
298 p_sys->i_port_audio = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port-audio" );
299 p_sys->i_port_video = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port-video" );
301 p_sys->psz_sdp_file = NULL;
303 if( p_sys->i_port_audio == p_sys->i_port_video )
305 msg_Err( p_stream, "audio and video port cannot be the same" );
306 p_sys->i_port_audio = 0;
307 p_sys->i_port_video = 0;
310 if( !p_sys->psz_session_name )
312 if( p_sys->psz_destination )
313 p_sys->psz_session_name = strdup( p_sys->psz_destination );
315 p_sys->psz_session_name = strdup( "NONE" );
318 if( !p_sys->psz_destination || *p_sys->psz_destination == '\0' )
321 vlc_bool_t b_ok = VLC_FALSE;
323 for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
325 if( !strcmp( p_cfg->psz_name, "sdp" ) )
327 if( p_cfg->psz_value && !strncasecmp( p_cfg->psz_value, "rtsp", 4 ) )
337 var_Get( p_stream, SOUT_CFG_PREFIX "sdp", &val2 );
338 if( !strncasecmp( val2.psz_string, "rtsp", 4 ) )
340 free( val2.psz_string );
345 msg_Err( p_stream, "missing destination and not in rtsp mode" );
349 p_sys->psz_destination = NULL;
351 else if( p_sys->i_port <= 0 )
353 msg_Err( p_stream, "invalid port" );
358 var_Get( p_stream, SOUT_CFG_PREFIX "ttl", &val );
361 /* Normally, we should let the default hop limit up to the core,
362 * but we have to know it to build our SDP properly, which is why
363 * we ask the core. FIXME: broken when neither sout-rtp-ttl nor
365 val.i_int = config_GetInt( p_stream, "ttl" );
367 if( p_sys->i_ttl > 255 ) p_sys->i_ttl = 255;
368 /* must not exceed 999 once formatted */
370 if( p_sys->i_ttl < 0 )
372 msg_Err( p_stream, "illegal TTL %d", val.i_int );
376 p_sys->i_ttl = val.i_int;
378 p_sys->i_payload_type = 96;
383 p_sys->psz_sdp = NULL;
385 p_sys->i_sdp_id = mdate();
386 p_sys->i_sdp_version = 1;
387 p_sys->psz_sdp = NULL;
389 p_sys->b_export_sap = VLC_FALSE;
390 p_sys->b_export_sdp_file = VLC_FALSE;
391 p_sys->p_session = NULL;
393 p_sys->p_httpd_host = NULL;
394 p_sys->p_httpd_file = NULL;
395 p_sys->p_rtsp_host = NULL;
396 p_sys->p_rtsp_url = NULL;
397 p_sys->psz_rtsp_control = NULL;
398 p_sys->psz_rtsp_path = NULL;
400 vlc_mutex_init( p_stream, &p_sys->lock_sdp );
401 vlc_mutex_init( p_stream, &p_sys->lock_es );
403 p_stream->pf_add = Add;
404 p_stream->pf_del = Del;
405 p_stream->pf_send = Send;
407 p_stream->p_sys = p_sys;
409 var_Get( p_stream, SOUT_CFG_PREFIX "mux", &val );
410 if( *val.psz_string )
412 sout_access_out_t *p_grab;
413 char *psz_rtpmap, url[NI_MAXHOST + 8], access[17], psz_ttl[5], ipv;
415 if( !p_sys->psz_destination || *p_sys->psz_destination == '\0' )
417 msg_Err( p_stream, "rtp needs a destination when muxing" );
422 /* Check muxer type */
423 if( !strncasecmp( val.psz_string, "ps", 2 ) || !strncasecmp( val.psz_string, "mpeg1", 5 ) )
425 psz_rtpmap = "MP2P/90000";
427 else if( !strncasecmp( val.psz_string, "ts", 2 ) )
429 psz_rtpmap = "MP2T/90000";
430 p_sys->i_payload_type = 33;
434 msg_Err( p_stream, "unsupported muxer type with rtp (only ts/ps)" );
439 /* create the access out */
440 if( p_sys->i_ttl > 0 )
442 sprintf( access, "udp{raw,ttl=%d}", p_sys->i_ttl );
446 sprintf( access, "udp{raw}" );
449 /* IPv6 needs brackets if not already present */
450 snprintf( url, sizeof( url ),
451 ( ( p_sys->psz_destination[0] != '[' )
452 && ( strchr( p_sys->psz_destination, ':' ) != NULL ) )
453 ? "[%s]:%d" : "%s:%d", p_sys->psz_destination,
455 url[sizeof( url ) - 1] = '\0';
456 /* FIXME: we should check that url is a numerical address, otherwise
457 * the SDP will be quite broken (regardless of the IP protocol version)
458 * Also it might be IPv6 with no ':' if it is a DNS name.
460 ipv = ( strchr( p_sys->psz_destination, ':' ) != NULL ) ? '6' : '4';
462 if( !( p_sys->p_access = sout_AccessOutNew( p_sout, access, url ) ) )
464 msg_Err( p_stream, "cannot create the access out for %s://%s",
469 p_sys->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beurk */
470 if( p_sys->i_mtu <= 16 + MTU_REDUCE )
472 /* better than nothing */
475 p_sys->i_mtu -= MTU_REDUCE;
477 /* the access out grabber TODO export it as sout_AccessOutGrabberNew */
478 p_grab = p_sys->p_grab =
479 vlc_object_create( p_sout, sizeof( sout_access_out_t ) );
480 p_grab->p_module = NULL;
481 p_grab->p_sout = p_sout;
482 p_grab->psz_access = strdup( "grab" );
483 p_grab->p_cfg = NULL;
484 p_grab->psz_name = strdup( "" );
485 p_grab->p_sys = (sout_access_out_sys_t*)p_stream;
486 p_grab->pf_seek = NULL;
487 p_grab->pf_write = AccessOutGrabberWrite;
490 if( !( p_sys->p_mux = sout_MuxNew( p_sout, val.psz_string, p_sys->p_grab ) ) )
492 msg_Err( p_stream, "cannot create the muxer (%s)", val.psz_string );
493 sout_AccessOutDelete( p_sys->p_grab );
494 sout_AccessOutDelete( p_sys->p_access );
499 /* create the SDP for a muxed stream (only once) */
500 /* FIXME http://www.faqs.org/rfcs/rfc2327.html
501 All text fields should be UTF-8 encoded. Use global a:charset to announce this.
502 o= - should be local username (no spaces allowed)
503 o= time should be hashed with some other value to garantue uniqueness
504 o= we need IP6 support?
505 o= don't use the localhost address. use fully qualified domain name or IP4 address
506 p= international phone number (pass via vars?)
508 a= recvonly (missing)
509 a= type:broadcast (missing)
510 a= charset: (normally charset should be UTF-8, this can be used to override s= and i=)
511 a= x-plgroup: (missing)
512 RTP packets need to get the correct src IP address */
513 if( net_AddressIsMulticast( (vlc_object_t *)p_stream, p_sys->psz_destination ) )
515 snprintf( psz_ttl, sizeof( psz_ttl ), "/%d", p_sys->i_ttl );
516 psz_ttl[sizeof( psz_ttl ) - 1] = '\0';
523 asprintf( &p_sys->psz_sdp,
525 /* FIXME: source address not known :( */
526 "o=- "I64Fd" %d IN IP%c %s\r\n"
531 "t=0 0\r\n" /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
532 "a=tool:"PACKAGE_STRING"\r\n"
534 "m=video %d RTP/AVP %d\r\n"
535 "a=rtpmap:%d %s\r\n",
536 p_sys->i_sdp_id, p_sys->i_sdp_version,
537 ipv, ipv == '6' ? "::1" : "127.0.0.1" /* FIXME */,
538 p_sys->psz_session_name,
539 p_sys->psz_session_description,
540 p_sys->psz_session_url,
541 p_sys->psz_session_email,
542 ipv, p_sys->psz_destination, psz_ttl,
543 p_sys->i_port, p_sys->i_payload_type,
544 p_sys->i_payload_type, psz_rtpmap );
545 fprintf( stderr, "sdp=%s", p_sys->psz_sdp );
547 /* create the rtp context */
548 p_sys->ssrc[0] = rand()&0xff;
549 p_sys->ssrc[1] = rand()&0xff;
550 p_sys->ssrc[2] = rand()&0xff;
551 p_sys->ssrc[3] = rand()&0xff;
552 p_sys->i_sequence = rand()&0xffff;
553 p_sys->i_timestamp_start = rand()&0xffffffff;
554 p_sys->packet = NULL;
559 p_sys->p_access = NULL;
560 p_sys->p_grab = NULL;
562 free( val.psz_string );
565 var_Get( p_stream, SOUT_CFG_PREFIX "sdp", &val );
566 if( *val.psz_string )
570 SDPHandleUrl( p_stream, val.psz_string );
572 for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
574 if( !strcmp( p_cfg->psz_name, "sdp" ) )
576 if( p_cfg->psz_value == NULL || *p_cfg->psz_value == '\0' )
579 if( !strcmp( p_cfg->psz_value, val.psz_string ) ) /* needed both :sout-rtp-sdp= and rtp{sdp=} can be used */
582 SDPHandleUrl( p_stream, p_cfg->psz_value );
586 free( val.psz_string );
588 /* update p_sout->i_out_pace_nocontrol */
589 p_stream->p_sout->i_out_pace_nocontrol++;
594 /*****************************************************************************
596 *****************************************************************************/
597 static void Close( vlc_object_t * p_this )
599 sout_stream_t *p_stream = (sout_stream_t*)p_this;
600 sout_stream_sys_t *p_sys = p_stream->p_sys;
602 /* update p_sout->i_out_pace_nocontrol */
603 p_stream->p_sout->i_out_pace_nocontrol--;
607 sout_MuxDelete( p_sys->p_mux );
608 sout_AccessOutDelete( p_sys->p_access );
609 sout_AccessOutDelete( p_sys->p_grab );
612 block_Release( p_sys->packet );
614 if( p_sys->b_export_sap )
617 SapSetup( p_stream );
621 while( p_sys->i_rtsp > 0 )
623 RtspClientDel( p_stream, p_sys->rtsp[0] );
626 vlc_mutex_destroy( &p_sys->lock_sdp );
628 if( p_sys->p_httpd_file )
630 httpd_FileDelete( p_sys->p_httpd_file );
632 if( p_sys->p_httpd_host )
634 httpd_HostDelete( p_sys->p_httpd_host );
636 if( p_sys->p_rtsp_url )
638 httpd_UrlDelete( p_sys->p_rtsp_url );
640 if( p_sys->p_rtsp_host )
642 httpd_HostDelete( p_sys->p_rtsp_host );
645 /* why? is this disabled? */
646 if( p_sys->psz_session_name )
648 free( p_sys->psz_session_name );
649 p_sys->psz_session_name = NULL;
651 if( p_sys->psz_session_description )
653 free( p_sys->psz_session_description );
654 p_sys->psz_session_description = NULL;
656 if( p_sys->psz_session_url )
658 free( p_sys->psz_session_url );
659 p_sys->psz_session_url = NULL;
661 if( p_sys->psz_session_email )
663 free( p_sys->psz_session_email );
664 p_sys->psz_session_email = NULL;
669 free( p_sys->psz_sdp );
674 /*****************************************************************************
676 *****************************************************************************/
677 static void SDPHandleUrl( sout_stream_t *p_stream, char *psz_url )
679 sout_stream_sys_t *p_sys = p_stream->p_sys;
682 vlc_UrlParse( &url, psz_url, 0 );
683 if( url.psz_protocol && !strcasecmp( url.psz_protocol, "http" ) )
685 if( p_sys->p_httpd_file )
687 msg_Err( p_stream, "You can used sdp=http:// only once" );
691 if( HttpSetup( p_stream, &url ) )
693 msg_Err( p_stream, "cannot export sdp as http" );
696 else if( url.psz_protocol && !strcasecmp( url.psz_protocol, "rtsp" ) )
698 if( p_sys->p_rtsp_url )
700 msg_Err( p_stream, "You can used sdp=rtsp:// only once" );
704 /* FIXME test if destination is multicast or no destination at all FIXME */
705 if( RtspSetup( p_stream, &url ) )
707 msg_Err( p_stream, "cannot export sdp as rtsp" );
710 else if( ( url.psz_protocol && !strcasecmp( url.psz_protocol, "sap" ) ) ||
711 ( url.psz_host && !strcasecmp( url.psz_host, "sap" ) ) )
713 p_sys->b_export_sap = VLC_TRUE;
714 SapSetup( p_stream );
716 else if( url.psz_protocol && !strcasecmp( url.psz_protocol, "file" ) )
718 if( p_sys->b_export_sdp_file )
720 msg_Err( p_stream, "You can used sdp=file:// only once" );
723 p_sys->b_export_sdp_file = VLC_TRUE;
724 psz_url = &psz_url[5];
725 if( psz_url[0] == '/' && psz_url[1] == '/' )
727 p_sys->psz_sdp_file = strdup( psz_url );
731 msg_Warn( p_stream, "unknown protocol for SDP (%s)",
734 vlc_UrlClean( &url );
737 /*****************************************************************************
739 *****************************************************************************/
740 /* FIXME http://www.faqs.org/rfcs/rfc2327.html
741 All text fields should be UTF-8 encoded. Use global a:charset to announce this.
742 o= - should be local username (no spaces allowed)
743 o= time should be hashed with some other value to garantue uniqueness
744 o= we need IP6 support?
745 o= don't use the localhost address. use fully qualified domain name or IP4 address
746 p= international phone number (pass via vars?)
748 a= recvonly (missing)
749 a= type:broadcast (missing)
750 a= charset: (normally charset should be UTF-8, this can be used to override s= and i=)
751 a= x-plgroup: (missing)
752 RTP packets need to get the correct src IP address */
753 static char *SDPGenerate( const sout_stream_t *p_stream,
754 const char *psz_destination, vlc_bool_t b_rtsp )
756 sout_stream_sys_t *p_sys = p_stream->p_sys;
757 sout_instance_t *p_sout = p_stream->p_sout;
759 char *psz_sdp, *p, ipv;
762 /* FIXME: breaks IP version check on unknown destination */
763 if( psz_destination == NULL )
764 psz_destination = "0.0.0.0";
766 i_size = sizeof( "v=0\r\n" ) +
767 sizeof( "o=- * * IN IP4 127.0.0.1\r\n" ) + 10 + 10 +
768 sizeof( "s=*\r\n" ) + strlen( p_sys->psz_session_name ) +
769 sizeof( "i=*\r\n" ) + strlen( p_sys->psz_session_description ) +
770 sizeof( "u=*\r\n" ) + strlen( p_sys->psz_session_url ) +
771 sizeof( "e=*\r\n" ) + strlen( p_sys->psz_session_email ) +
772 sizeof( "t=0 0\r\n" ) + /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
773 sizeof( "a=tool:"PACKAGE_STRING"\r\n" ) +
774 sizeof( "c=IN IP4 */*\r\n" ) + 20 + 10 +
775 strlen( psz_destination ) ;
776 for( i = 0; i < p_sys->i_es; i++ )
778 sout_stream_id_t *id = p_sys->es[i];
780 i_size += strlen( "m=**d*o * RTP/AVP *\r\n" ) + 10 + 10;
783 i_size += strlen( "a=rtpmap:* *\r\n" ) + strlen( id->psz_rtpmap )+10;
787 i_size += strlen( "a=fmtp:* *\r\n" ) + strlen( id->psz_fmtp ) + 10;
791 i_size += strlen( "a=control:*/trackid=*\r\n" ) + strlen( p_sys->psz_rtsp_control ) + 10;
795 ipv = ( strchr( psz_destination, ':' ) != NULL ) ? '6' : '4';
797 p = psz_sdp = malloc( i_size );
798 p += sprintf( p, "v=0\r\n" );
799 p += sprintf( p, "o=- "I64Fd" %d IN IP%c %s\r\n",
800 p_sys->i_sdp_id, p_sys->i_sdp_version,
801 ipv, ipv == '6' ? "::" : "127.0.0.1" );
802 if( *p_sys->psz_session_name )
803 p += sprintf( p, "s=%s\r\n", p_sys->psz_session_name );
804 if( *p_sys->psz_session_description )
805 p += sprintf( p, "i=%s\r\n", p_sys->psz_session_description );
806 if( *p_sys->psz_session_url )
807 p += sprintf( p, "u=%s\r\n", p_sys->psz_session_url );
808 if( *p_sys->psz_session_email )
809 p += sprintf( p, "e=%s\r\n", p_sys->psz_session_email );
811 p += sprintf( p, "t=0 0\r\n" ); /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
812 p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" );
814 p += sprintf( p, "c=IN IP%c %s", ipv, psz_destination );
816 if( net_AddressIsMulticast( (vlc_object_t *)p_stream, psz_destination ) )
818 /* Add the ttl if it is a multicast address */
819 /* FIXME: 1 is not a correct default value in the case of IPv6 */
820 p += sprintf( p, "/%d\r\n", p_sys->i_ttl ?: 1 );
824 p += sprintf( p, "\r\n" );
827 for( i = 0; i < p_sys->i_es; i++ )
829 sout_stream_id_t *id = p_sys->es[i];
831 if( id->i_cat == AUDIO_ES )
833 p += sprintf( p, "m=audio %d RTP/AVP %d\r\n",
834 id->i_port, id->i_payload_type );
836 else if( id->i_cat == VIDEO_ES )
838 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
839 id->i_port, id->i_payload_type );
847 p += sprintf( p, "a=rtpmap:%d %s\r\n", id->i_payload_type,
852 p += sprintf( p, "a=fmtp:%d %s\r\n", id->i_payload_type,
857 p += sprintf( p, "a=control:%s/trackid=%d\r\n", p_sys->psz_rtsp_control, i );
864 /*****************************************************************************
866 *****************************************************************************/
867 static int rtp_packetize_l16 ( sout_stream_t *, sout_stream_id_t *, block_t * );
868 static int rtp_packetize_l8 ( sout_stream_t *, sout_stream_id_t *, block_t * );
869 static int rtp_packetize_mpa ( sout_stream_t *, sout_stream_id_t *, block_t * );
870 static int rtp_packetize_mpv ( sout_stream_t *, sout_stream_id_t *, block_t * );
871 static int rtp_packetize_ac3 ( sout_stream_t *, sout_stream_id_t *, block_t * );
872 static int rtp_packetize_split( sout_stream_t *, sout_stream_id_t *, block_t * );
873 static int rtp_packetize_mp4a ( sout_stream_t *, sout_stream_id_t *, block_t * );
874 static int rtp_packetize_h263 ( sout_stream_t *, sout_stream_id_t *, block_t * );
875 static int rtp_packetize_amr ( sout_stream_t *, sout_stream_id_t *, block_t * );
877 static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
879 static const char hex[16] = "0123456789abcdef";
882 for( i = 0; i < i_data; i++ )
884 s[2*i+0] = hex[(p_data[i]>>4)&0xf];
885 s[2*i+1] = hex[(p_data[i] )&0xf];
890 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
892 sout_instance_t *p_sout = p_stream->p_sout;
893 sout_stream_sys_t *p_sys = p_stream->p_sys;
894 sout_stream_id_t *id;
895 sout_access_out_t *p_access = NULL;
899 if( p_sys->p_mux != NULL )
901 sout_input_t *p_input = NULL;
902 if( ( p_input = sout_MuxAddStream( p_sys->p_mux, p_fmt ) ) == NULL )
904 msg_Err( p_stream, "cannot add this stream to the muxer" );
908 id = malloc( sizeof( sout_stream_id_t ) );
909 memset( id, 0, sizeof( sout_stream_id_t ) );
911 id->p_input = p_input;
912 id->pf_packetize= NULL;
913 id->p_rtsp_url = NULL;
919 /* Choose the port */
921 if( p_fmt->i_cat == AUDIO_ES && p_sys->i_port_audio > 0 )
923 i_port = p_sys->i_port_audio;
924 p_sys->i_port_audio = 0;
926 else if( p_fmt->i_cat == VIDEO_ES && p_sys->i_port_video > 0 )
928 i_port = p_sys->i_port_video;
929 p_sys->i_port_video = 0;
933 if( p_sys->i_port != p_sys->i_port_audio && p_sys->i_port != p_sys->i_port_video )
935 i_port = p_sys->i_port;
942 if( p_sys->psz_destination )
945 char url[NI_MAXHOST + 8];
947 /* first try to create the access out */
950 snprintf( access, sizeof( access ), "udp{raw,ttl=%d}",
952 access[sizeof( access ) - 1] = '\0';
955 strcpy( access, "udp{raw}" );
957 snprintf( url, sizeof( url ), (( p_sys->psz_destination[0] != '[' ) &&
958 strchr( p_sys->psz_destination, ':' )) ? "[%s]:%d" : "%s:%d",
959 p_sys->psz_destination, i_port );
960 url[sizeof( url ) - 1] = '\0';
962 if( ( p_access = sout_AccessOutNew( p_sout, access, url ) ) == NULL )
964 msg_Err( p_stream, "cannot create the access out for %s://%s",
968 msg_Dbg( p_stream, "access out %s:%s", access, url );
971 /* not create the rtp specific stuff */
972 id = malloc( sizeof( sout_stream_id_t ) );
973 memset( id, 0, sizeof( sout_stream_id_t ) );
974 id->p_stream = p_stream;
975 id->p_access = p_access;
977 id->psz_rtpmap = NULL;
979 id->psz_destination = p_sys->psz_destination ? strdup( p_sys->psz_destination ) : NULL;
981 id->p_rtsp_url = NULL;
982 vlc_mutex_init( p_stream, &id->lock_rtsp );
983 id->i_rtsp_access = 0;
984 id->rtsp_access = NULL;
986 switch( p_fmt->i_codec )
988 case VLC_FOURCC( 's', '1', '6', 'b' ):
989 if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
991 id->i_payload_type = 11;
993 else if( p_fmt->audio.i_channels == 2 &&
994 p_fmt->audio.i_rate == 44100 )
996 id->i_payload_type = 10;
1000 id->i_payload_type = p_sys->i_payload_type++;
1002 id->psz_rtpmap = malloc( strlen( "L16/*/*" ) + 20+1 );
1003 sprintf( id->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
1004 p_fmt->audio.i_channels );
1005 id->i_clock_rate = p_fmt->audio.i_rate;
1006 id->pf_packetize = rtp_packetize_l16;
1008 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
1009 id->i_payload_type = p_sys->i_payload_type++;
1010 id->psz_rtpmap = malloc( strlen( "L8/*/*" ) + 20+1 );
1011 sprintf( id->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
1012 p_fmt->audio.i_channels );
1013 id->i_clock_rate = p_fmt->audio.i_rate;
1014 id->pf_packetize = rtp_packetize_l8;
1016 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
1017 id->i_payload_type = 14;
1018 id->i_clock_rate = 90000;
1019 id->psz_rtpmap = strdup( "MPA/90000" );
1020 id->pf_packetize = rtp_packetize_mpa;
1022 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
1023 id->i_payload_type = 32;
1024 id->i_clock_rate = 90000;
1025 id->psz_rtpmap = strdup( "MPV/90000" );
1026 id->pf_packetize = rtp_packetize_mpv;
1028 case VLC_FOURCC( 'a', '5', '2', ' ' ):
1029 id->i_payload_type = p_sys->i_payload_type++;
1030 id->i_clock_rate = 90000;
1031 id->psz_rtpmap = strdup( "ac3/90000" );
1032 id->pf_packetize = rtp_packetize_ac3;
1034 case VLC_FOURCC( 'H', '2', '6', '3' ):
1035 id->i_payload_type = p_sys->i_payload_type++;
1036 id->i_clock_rate = 90000;
1037 id->psz_rtpmap = strdup( "H263-1998/90000" );
1038 id->pf_packetize = rtp_packetize_h263;
1041 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
1043 char hexa[2*p_fmt->i_extra +1];
1045 id->i_payload_type = p_sys->i_payload_type++;
1046 id->i_clock_rate = 90000;
1047 id->psz_rtpmap = strdup( "MP4V-ES/90000" );
1048 id->pf_packetize = rtp_packetize_split;
1049 if( p_fmt->i_extra > 0 )
1051 id->psz_fmtp = malloc( 100 + 2 * p_fmt->i_extra );
1052 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
1053 sprintf( id->psz_fmtp,
1054 "profile-level-id=3; config=%s;", hexa );
1058 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
1060 char hexa[2*p_fmt->i_extra +1];
1062 id->i_payload_type = p_sys->i_payload_type++;
1063 id->i_clock_rate = p_fmt->audio.i_rate;
1064 id->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
1065 sprintf( id->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
1066 id->pf_packetize = rtp_packetize_mp4a;
1067 id->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
1068 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
1069 sprintf( id->psz_fmtp,
1070 "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
1071 "config=%s; SizeLength=13;IndexLength=3; "
1072 "IndexDeltaLength=3; Profile=1;", hexa );
1075 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
1076 id->i_payload_type = p_sys->i_payload_type++;
1077 id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
1078 "AMR/8000/2" : "AMR/8000" );
1079 id->psz_fmtp = strdup( "octet-align=1" );
1080 id->i_clock_rate = p_fmt->audio.i_rate;
1081 id->pf_packetize = rtp_packetize_amr;
1083 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
1084 id->i_payload_type = p_sys->i_payload_type++;
1085 id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
1086 "AMR-WB/16000/2" : "AMR-WB/16000" );
1087 id->psz_fmtp = strdup( "octet-align=1" );
1088 id->i_clock_rate = p_fmt->audio.i_rate;
1089 id->pf_packetize = rtp_packetize_amr;
1093 msg_Err( p_stream, "cannot add this stream (unsupported "
1094 "codec:%4.4s)", (char*)&p_fmt->i_codec );
1097 sout_AccessOutDelete( p_access );
1102 id->i_cat = p_fmt->i_cat;
1104 id->ssrc[0] = rand()&0xff;
1105 id->ssrc[1] = rand()&0xff;
1106 id->ssrc[2] = rand()&0xff;
1107 id->ssrc[3] = rand()&0xff;
1108 id->i_sequence = rand()&0xffff;
1109 id->i_timestamp_start = rand()&0xffffffff;
1111 id->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beuk */
1112 if( id->i_mtu <= 16 + MTU_REDUCE )
1114 /* better than nothing */
1117 id->i_mtu -= MTU_REDUCE;
1118 msg_Dbg( p_stream, "maximum RTP packet size: %d bytes", id->i_mtu );
1120 if( p_sys->p_rtsp_url )
1122 char psz_urlc[strlen( p_sys->psz_rtsp_control ) + 1 + 10];
1124 sprintf( psz_urlc, "%s/trackid=%d", p_sys->psz_rtsp_path, p_sys->i_es );
1125 fprintf( stderr, "rtsp: adding %s\n", psz_urlc );
1126 id->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, psz_urlc, NULL, NULL, NULL );
1128 if( id->p_rtsp_url )
1130 httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_SETUP, RtspCallbackId, (void*)id );
1131 //httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
1132 //httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
1137 /* Update p_sys context */
1138 vlc_mutex_lock( &p_sys->lock_es );
1139 TAB_APPEND( p_sys->i_es, p_sys->es, id );
1140 vlc_mutex_unlock( &p_sys->lock_es );
1142 psz_sdp = SDPGenerate( p_stream, p_sys->psz_destination, VLC_FALSE );
1144 vlc_mutex_lock( &p_sys->lock_sdp );
1145 free( p_sys->psz_sdp );
1146 p_sys->psz_sdp = psz_sdp;
1147 vlc_mutex_unlock( &p_sys->lock_sdp );
1149 p_sys->i_sdp_version++;
1151 fprintf( stderr, "sdp=%s", p_sys->psz_sdp );
1153 /* Update SDP (sap/file) */
1154 if( p_sys->b_export_sap ) SapSetup( p_stream );
1155 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
1160 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
1162 sout_stream_sys_t *p_sys = p_stream->p_sys;
1164 vlc_mutex_lock( &p_sys->lock_es );
1165 TAB_REMOVE( p_sys->i_es, p_sys->es, id );
1166 vlc_mutex_unlock( &p_sys->lock_es );
1169 if( id->i_port > 0 )
1171 if( id->i_cat == AUDIO_ES && p_sys->i_port_audio == 0 )
1172 p_sys->i_port_audio = id->i_port;
1173 else if( id->i_cat == VIDEO_ES && p_sys->i_port_video == 0 )
1174 p_sys->i_port_video = id->i_port;
1179 if( id->psz_rtpmap )
1181 free( id->psz_rtpmap );
1185 free( id->psz_fmtp );
1187 if( id->psz_destination )
1188 free( id->psz_destination );
1189 sout_AccessOutDelete( id->p_access );
1191 else if( id->p_input )
1193 sout_MuxDeleteStream( p_sys->p_mux, id->p_input );
1195 if( id->p_rtsp_url )
1197 httpd_UrlDelete( id->p_rtsp_url );
1199 vlc_mutex_destroy( &id->lock_rtsp );
1200 if( id->rtsp_access ) free( id->rtsp_access );
1202 /* Update SDP (sap/file) */
1203 if( p_sys->b_export_sap && !p_sys->p_mux ) SapSetup( p_stream );
1204 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
1210 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
1215 if( p_stream->p_sys->p_mux )
1217 sout_MuxSendBuffer( p_stream->p_sys->p_mux, id->p_input, p_buffer );
1223 p_next = p_buffer->p_next;
1224 if( id->pf_packetize( p_stream, id, p_buffer ) )
1228 block_Release( p_buffer );
1236 static int AccessOutGrabberWriteBuffer( sout_stream_t *p_stream,
1239 sout_stream_sys_t *p_sys = p_stream->p_sys;
1241 int64_t i_dts = p_buffer->i_dts;
1242 uint32_t i_timestamp = i_dts * 9 / 100;
1244 uint8_t *p_data = p_buffer->p_buffer;
1245 unsigned int i_data = p_buffer->i_buffer;
1246 unsigned int i_max = p_sys->i_mtu - 12;
1248 unsigned i_packet = ( p_buffer->i_buffer + i_max - 1 ) / i_max;
1252 unsigned int i_size;
1254 /* output complete packet */
1255 if( p_sys->packet &&
1256 p_sys->packet->i_buffer + i_data > i_max )
1258 sout_AccessOutWrite( p_sys->p_access, p_sys->packet );
1259 p_sys->packet = NULL;
1262 if( p_sys->packet == NULL )
1264 /* allocate a new packet */
1265 p_sys->packet = block_New( p_stream, p_sys->i_mtu );
1266 p_sys->packet->p_buffer[ 0] = 0x80;
1267 p_sys->packet->p_buffer[ 1] = 0x80|p_sys->i_payload_type;
1268 p_sys->packet->p_buffer[ 2] = ( p_sys->i_sequence >> 8)&0xff;
1269 p_sys->packet->p_buffer[ 3] = ( p_sys->i_sequence )&0xff;
1270 p_sys->packet->p_buffer[ 4] = ( i_timestamp >> 24 )&0xff;
1271 p_sys->packet->p_buffer[ 5] = ( i_timestamp >> 16 )&0xff;
1272 p_sys->packet->p_buffer[ 6] = ( i_timestamp >> 8 )&0xff;
1273 p_sys->packet->p_buffer[ 7] = ( i_timestamp )&0xff;
1274 p_sys->packet->p_buffer[ 8] = p_sys->ssrc[0];
1275 p_sys->packet->p_buffer[ 9] = p_sys->ssrc[1];
1276 p_sys->packet->p_buffer[10] = p_sys->ssrc[2];
1277 p_sys->packet->p_buffer[11] = p_sys->ssrc[3];
1278 p_sys->packet->i_buffer = 12;
1280 p_sys->packet->i_dts = i_dts;
1281 p_sys->packet->i_length = p_buffer->i_length / i_packet;
1282 i_dts += p_sys->packet->i_length;
1284 p_sys->i_sequence++;
1287 i_size = __MIN( i_data,
1288 (unsigned)(p_sys->i_mtu - p_sys->packet->i_buffer) );
1290 memcpy( &p_sys->packet->p_buffer[p_sys->packet->i_buffer],
1293 p_sys->packet->i_buffer += i_size;
1301 static int AccessOutGrabberWrite( sout_access_out_t *p_access,
1304 sout_stream_t *p_stream = (sout_stream_t*)p_access->p_sys;
1306 //fprintf( stderr, "received buffer size=%d\n", p_buffer->i_buffer );
1312 AccessOutGrabberWriteBuffer( p_stream, p_buffer );
1314 p_next = p_buffer->p_next;
1315 block_Release( p_buffer );
1322 /****************************************************************************
1324 ****************************************************************************/
1325 static int SapSetup( sout_stream_t *p_stream )
1327 sout_stream_sys_t *p_sys = p_stream->p_sys;
1328 sout_instance_t *p_sout = p_stream->p_sout;
1329 announce_method_t *p_method = sout_AnnounceMethodCreate( METHOD_TYPE_SAP );
1331 /* Remove the previous session */
1332 if( p_sys->p_session != NULL)
1334 sout_AnnounceUnRegister( p_sout, p_sys->p_session);
1335 sout_AnnounceSessionDestroy( p_sys->p_session );
1336 p_sys->p_session = NULL;
1339 if( ( p_sys->i_es > 0 || p_sys->p_mux ) && p_sys->psz_sdp && *p_sys->psz_sdp )
1341 p_sys->p_session = sout_AnnounceRegisterSDP( p_sout, p_sys->psz_sdp,
1342 p_sys->psz_destination,
1350 /****************************************************************************
1352 ****************************************************************************/
1353 static int FileSetup( sout_stream_t *p_stream )
1355 sout_stream_sys_t *p_sys = p_stream->p_sys;
1358 if( ( f = utf8_fopen( p_sys->psz_sdp_file, "wt" ) ) == NULL )
1360 msg_Err( p_stream, "cannot open file '%s' (%s)",
1361 p_sys->psz_sdp_file, strerror(errno) );
1362 return VLC_EGENERIC;
1365 fprintf( f, "%s", p_sys->psz_sdp );
1371 /****************************************************************************
1373 ****************************************************************************/
1374 static int HttpCallback( httpd_file_sys_t *p_args,
1375 httpd_file_t *, uint8_t *p_request,
1376 uint8_t **pp_data, int *pi_data );
1378 static int HttpSetup( sout_stream_t *p_stream, vlc_url_t *url)
1380 sout_stream_sys_t *p_sys = p_stream->p_sys;
1382 p_sys->p_httpd_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 80 );
1383 if( p_sys->p_httpd_host )
1385 p_sys->p_httpd_file = httpd_FileNew( p_sys->p_httpd_host,
1386 url->psz_path ? url->psz_path : "/",
1389 HttpCallback, (void*)p_sys );
1391 if( p_sys->p_httpd_file == NULL )
1393 return VLC_EGENERIC;
1398 static int HttpCallback( httpd_file_sys_t *p_args,
1399 httpd_file_t *f, uint8_t *p_request,
1400 uint8_t **pp_data, int *pi_data )
1402 sout_stream_sys_t *p_sys = (sout_stream_sys_t*)p_args;
1404 vlc_mutex_lock( &p_sys->lock_sdp );
1405 if( p_sys->psz_sdp && *p_sys->psz_sdp )
1407 *pi_data = strlen( p_sys->psz_sdp );
1408 *pp_data = malloc( *pi_data );
1409 memcpy( *pp_data, p_sys->psz_sdp, *pi_data );
1416 vlc_mutex_unlock( &p_sys->lock_sdp );
1421 /****************************************************************************
1423 ****************************************************************************/
1424 static rtsp_client_t *RtspClientNew( sout_stream_t *p_stream, char *psz_session )
1426 rtsp_client_t *rtsp = malloc( sizeof( rtsp_client_t ));
1428 rtsp->psz_session = psz_session;
1430 rtsp->b_playing = VLC_FALSE;
1434 rtsp->access = NULL;
1436 TAB_APPEND( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
1440 static rtsp_client_t *RtspClientGet( sout_stream_t *p_stream, char *psz_session )
1443 for( i = 0; i < p_stream->p_sys->i_rtsp; i++ )
1445 if( !strcmp( p_stream->p_sys->rtsp[i]->psz_session, psz_session ) )
1447 return p_stream->p_sys->rtsp[i];
1453 static void RtspClientDel( sout_stream_t *p_stream, rtsp_client_t *rtsp )
1456 TAB_REMOVE( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
1458 for( i = 0; i < rtsp->i_access; i++ )
1460 sout_AccessOutDelete( rtsp->access[i] );
1462 if( rtsp->id ) free( rtsp->id );
1463 if( rtsp->access ) free( rtsp->access );
1465 free( rtsp->psz_session );
1469 static int RtspSetup( sout_stream_t *p_stream, vlc_url_t *url )
1471 sout_stream_sys_t *p_sys = p_stream->p_sys;
1473 fprintf( stderr, "rtsp setup: %s : %d / %s\n", url->psz_host, url->i_port, url->psz_path );
1475 p_sys->p_rtsp_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 554 );
1476 if( p_sys->p_rtsp_host == NULL )
1478 return VLC_EGENERIC;
1481 p_sys->psz_rtsp_path = strdup( url->psz_path ? url->psz_path : "/" );
1482 p_sys->psz_rtsp_control = malloc (strlen( url->psz_host ) + 20 + strlen( p_sys->psz_rtsp_path ) + 1 );
1483 sprintf( p_sys->psz_rtsp_control, "rtsp://%s:%d%s",
1484 url->psz_host, url->i_port > 0 ? url->i_port : 554, p_sys->psz_rtsp_path );
1486 p_sys->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, p_sys->psz_rtsp_path, NULL, NULL, NULL );
1487 if( p_sys->p_rtsp_url == 0 )
1489 return VLC_EGENERIC;
1491 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_DESCRIBE, RtspCallback, (void*)p_stream );
1492 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
1493 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
1494 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_TEARDOWN, RtspCallback, (void*)p_stream );
1499 static int RtspCallback( httpd_callback_sys_t *p_args,
1501 httpd_message_t *answer, httpd_message_t *query )
1503 sout_stream_t *p_stream = (sout_stream_t*)p_args;
1504 sout_stream_sys_t *p_sys = p_stream->p_sys;
1505 char *psz_destination = p_sys->psz_destination;
1506 char *psz_session = NULL;
1508 if( answer == NULL || query == NULL )
1512 fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
1514 answer->i_proto = HTTPD_PROTO_RTSP;
1515 answer->i_version= query->i_version;
1516 answer->i_type = HTTPD_MSG_ANSWER;
1518 switch( query->i_type )
1520 case HTTPD_MSG_DESCRIBE:
1522 char *psz_sdp = SDPGenerate( p_stream, psz_destination ? psz_destination : "0.0.0.0", VLC_TRUE );
1524 answer->i_status = 200;
1525 answer->psz_status = strdup( "OK" );
1526 httpd_MsgAdd( answer, "Content-type", "%s", "application/sdp" );
1528 answer->p_body = (uint8_t *)psz_sdp;
1529 answer->i_body = strlen( psz_sdp );
1533 case HTTPD_MSG_PLAY:
1535 rtsp_client_t *rtsp;
1536 /* for now only multicast so easy */
1537 answer->i_status = 200;
1538 answer->psz_status = strdup( "OK" );
1540 answer->p_body = NULL;
1542 psz_session = httpd_MsgGet( query, "Session" );
1543 rtsp = RtspClientGet( p_stream, psz_session );
1544 if( rtsp && !rtsp->b_playing )
1548 rtsp->b_playing = VLC_TRUE;
1550 vlc_mutex_lock( &p_sys->lock_es );
1551 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
1553 sout_stream_id_t *id = rtsp->id[i_id];
1556 for( i = 0; i < p_sys->i_es; i++ )
1558 if( id == p_sys->es[i] )
1561 if( i >= p_sys->i_es ) continue;
1563 vlc_mutex_lock( &id->lock_rtsp );
1564 TAB_APPEND( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
1565 vlc_mutex_unlock( &id->lock_rtsp );
1567 vlc_mutex_unlock( &p_sys->lock_es );
1571 case HTTPD_MSG_PAUSE:
1573 return VLC_EGENERIC;
1574 case HTTPD_MSG_TEARDOWN:
1576 rtsp_client_t *rtsp;
1578 /* for now only multicast so easy again */
1579 answer->i_status = 200;
1580 answer->psz_status = strdup( "OK" );
1582 answer->p_body = NULL;
1584 psz_session = httpd_MsgGet( query, "Session" );
1585 rtsp = RtspClientGet( p_stream, psz_session );
1590 vlc_mutex_lock( &p_sys->lock_es );
1591 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
1593 sout_stream_id_t *id = rtsp->id[i_id];
1596 for( i = 0; i < p_sys->i_es; i++ )
1598 if( id == p_sys->es[i] )
1601 if( i >= p_sys->i_es ) continue;
1603 vlc_mutex_lock( &id->lock_rtsp );
1604 TAB_REMOVE( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
1605 vlc_mutex_unlock( &id->lock_rtsp );
1607 vlc_mutex_unlock( &p_sys->lock_es );
1609 RtspClientDel( p_stream, rtsp );
1615 return VLC_EGENERIC;
1617 httpd_MsgAdd( answer, "Server", "VLC Server" );
1618 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1619 httpd_MsgAdd( answer, "Cseq", "%d", atoi( httpd_MsgGet( query, "Cseq" ) ) );
1620 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1624 httpd_MsgAdd( answer, "Session", "%s;timeout=5", psz_session );
1629 static int RtspCallbackId( httpd_callback_sys_t *p_args,
1631 httpd_message_t *answer, httpd_message_t *query )
1633 sout_stream_id_t *id = (sout_stream_id_t*)p_args;
1634 sout_stream_t *p_stream = id->p_stream;
1635 sout_instance_t *p_sout = p_stream->p_sout;
1636 sout_stream_sys_t *p_sys = p_stream->p_sys;
1637 char *psz_session = NULL;
1639 if( answer == NULL || query == NULL )
1643 fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
1645 answer->i_proto = HTTPD_PROTO_RTSP;
1646 answer->i_version= query->i_version;
1647 answer->i_type = HTTPD_MSG_ANSWER;
1649 switch( query->i_type )
1651 case HTTPD_MSG_SETUP:
1653 char *psz_transport = httpd_MsgGet( query, "Transport" );
1655 fprintf( stderr, "HTTPD_MSG_SETUP: transport=%s\n", psz_transport );
1657 if( strstr( psz_transport, "multicast" ) && id->psz_destination )
1659 fprintf( stderr, "HTTPD_MSG_SETUP: multicast\n" );
1660 answer->i_status = 200;
1661 answer->psz_status = strdup( "OK" );
1663 answer->p_body = NULL;
1664 psz_session = httpd_MsgGet( query, "Session" );
1665 if( *psz_session == 0 )
1667 psz_session = malloc( 100 );
1668 sprintf( psz_session, "%d", rand() );
1670 httpd_MsgAdd( answer, "Transport",
1671 "RTP/AVP/UDP;destination=%s;port=%d-%d;ttl=%d",
1672 id->psz_destination, id->i_port,id->i_port+1,
1675 else if( strstr( psz_transport, "unicast" ) && strstr( psz_transport, "client_port=" ) )
1677 int i_port = atoi( strstr( psz_transport, "client_port=" ) + strlen("client_port=") );
1678 char ip[NI_MAXNUMERICHOST], psz_access[17], psz_url[NI_MAXNUMERICHOST + 8];
1680 sout_access_out_t *p_access;
1682 rtsp_client_t *rtsp = NULL;
1684 if( httpd_ClientIP( cl, ip ) == NULL )
1686 answer->i_status = 500;
1687 answer->psz_status = strdup( "Internal server error" );
1689 answer->p_body = NULL;
1693 fprintf( stderr, "HTTPD_MSG_SETUP: unicast ip=%s port=%d\n",
1696 psz_session = httpd_MsgGet( query, "Session" );
1697 if( *psz_session == 0 )
1699 psz_session = malloc( 100 );
1700 sprintf( psz_session, "%d", rand() );
1702 rtsp = RtspClientNew( p_stream, psz_session );
1706 rtsp = RtspClientGet( p_stream, psz_session );
1709 answer->i_status = 454;
1710 answer->psz_status = strdup( "Unknown session id" );
1712 answer->p_body = NULL;
1717 /* first try to create the access out */
1719 snprintf( psz_access, sizeof( psz_access ),
1720 "udp{raw,ttl=%d}", p_sys->i_ttl );
1722 strncpy( psz_access, "udp{raw}", sizeof( psz_access ) );
1723 psz_access[sizeof( psz_access ) - 1] = '\0';
1725 snprintf( psz_url, sizeof( psz_url ),
1726 ( strchr( ip, ':' ) != NULL ) ? "[%s]:%d" : "%s:%d",
1729 if( ( p_access = sout_AccessOutNew( p_stream->p_sout, psz_access, psz_url ) ) == NULL )
1731 msg_Err( p_stream, "cannot create the access out for %s://%s",
1732 psz_access, psz_url );
1733 answer->i_status = 500;
1734 answer->psz_status = strdup( "Internal server error" );
1736 answer->p_body = NULL;
1740 TAB_APPEND( rtsp->i_id, rtsp->id, id );
1741 TAB_APPEND( rtsp->i_access, rtsp->access, p_access );
1743 answer->i_status = 200;
1744 answer->psz_status = strdup( "OK" );
1746 answer->p_body = NULL;
1748 httpd_MsgAdd( answer, "Transport",
1749 "RTP/AVP/UDP;client_port=%d-%d", i_port, i_port + 1 );
1751 else /* TODO strstr( psz_transport, "interleaved" ) ) */
1753 answer->i_status = 461;
1754 answer->psz_status = strdup( "Unsupported Transport" );
1756 answer->p_body = NULL;
1762 return VLC_EGENERIC;
1764 httpd_MsgAdd( answer, "Server", "VLC Server" );
1765 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1766 httpd_MsgAdd( answer, "Cseq", "%d", atoi( httpd_MsgGet( query, "Cseq" ) ) );
1767 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1771 httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
1776 /****************************************************************************
1778 ****************************************************************************/
1779 static void rtp_packetize_common( sout_stream_id_t *id, block_t *out,
1780 int b_marker, int64_t i_pts )
1782 uint32_t i_timestamp = i_pts * (int64_t)id->i_clock_rate / I64C(1000000);
1784 out->p_buffer[0] = 0x80;
1785 out->p_buffer[1] = (b_marker?0x80:0x00)|id->i_payload_type;
1786 out->p_buffer[2] = ( id->i_sequence >> 8)&0xff;
1787 out->p_buffer[3] = ( id->i_sequence )&0xff;
1788 out->p_buffer[4] = ( i_timestamp >> 24 )&0xff;
1789 out->p_buffer[5] = ( i_timestamp >> 16 )&0xff;
1790 out->p_buffer[6] = ( i_timestamp >> 8 )&0xff;
1791 out->p_buffer[7] = ( i_timestamp )&0xff;
1793 out->p_buffer[ 8] = id->ssrc[0];
1794 out->p_buffer[ 9] = id->ssrc[1];
1795 out->p_buffer[10] = id->ssrc[2];
1796 out->p_buffer[11] = id->ssrc[3];
1802 static void rtp_packetize_send( sout_stream_id_t *id, block_t *out )
1805 vlc_mutex_lock( &id->lock_rtsp );
1806 for( i = 0; i < id->i_rtsp_access; i++ )
1808 sout_AccessOutWrite( id->rtsp_access[i], block_Duplicate( out ) );
1810 vlc_mutex_unlock( &id->lock_rtsp );
1814 sout_AccessOutWrite( id->p_access, out );
1818 block_Release( out );
1822 static int rtp_packetize_mpa( sout_stream_t *p_stream, sout_stream_id_t *id,
1825 int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
1826 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1828 uint8_t *p_data = in->p_buffer;
1829 int i_data = in->i_buffer;
1832 for( i = 0; i < i_count; i++ )
1834 int i_payload = __MIN( i_max, i_data );
1835 block_t *out = block_New( p_stream, 16 + i_payload );
1837 /* rtp common header */
1838 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
1840 out->p_buffer[12] = 0;
1841 out->p_buffer[13] = 0;
1842 /* fragment offset in the current frame */
1843 out->p_buffer[14] = ( (i*i_max) >> 8 )&0xff;
1844 out->p_buffer[15] = ( (i*i_max) )&0xff;
1845 memcpy( &out->p_buffer[16], p_data, i_payload );
1847 out->i_buffer = 16 + i_payload;
1848 out->i_dts = in->i_dts + i * in->i_length / i_count;
1849 out->i_length = in->i_length / i_count;
1851 rtp_packetize_send( id, out );
1853 p_data += i_payload;
1854 i_data -= i_payload;
1861 static int rtp_packetize_mpv( sout_stream_t *p_stream, sout_stream_id_t *id,
1864 int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
1865 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1867 uint8_t *p_data = in->p_buffer;
1868 int i_data = in->i_buffer;
1870 int b_sequence_start = 0;
1871 int i_temporal_ref = 0;
1872 int i_picture_coding_type = 0;
1873 int i_fbv = 0, i_bfc = 0, i_ffv = 0, i_ffc = 0;
1874 int b_start_slice = 0;
1876 /* preparse this packet to get some info */
1877 if( in->i_buffer > 4 )
1879 uint8_t *p = p_data;
1880 int i_rest = in->i_buffer;
1884 while( i_rest > 4 &&
1885 ( p[0] != 0x00 || p[1] != 0x00 || p[2] != 0x01 ) )
1899 /* sequence start code */
1900 b_sequence_start = 1;
1902 else if( *p == 0x00 && i_rest >= 4 )
1905 i_temporal_ref = ( p[1] << 2) |((p[2]>>6)&0x03);
1906 i_picture_coding_type = (p[2] >> 3)&0x07;
1908 if( i_rest >= 4 && ( i_picture_coding_type == 2 ||
1909 i_picture_coding_type == 3 ) )
1911 i_ffv = (p[3] >> 2)&0x01;
1912 i_ffc = ((p[3]&0x03) << 1)|((p[4]>>7)&0x01);
1913 if( i_rest > 4 && i_picture_coding_type == 3 )
1915 i_fbv = (p[4]>>6)&0x01;
1916 i_bfc = (p[4]>>3)&0x07;
1920 else if( *p <= 0xaf )
1927 for( i = 0; i < i_count; i++ )
1929 int i_payload = __MIN( i_max, i_data );
1930 block_t *out = block_New( p_stream,
1932 uint32_t h = ( i_temporal_ref << 16 )|
1933 ( b_sequence_start << 13 )|
1934 ( b_start_slice << 12 )|
1935 ( i == i_count - 1 ? 1 << 11 : 0 )|
1936 ( i_picture_coding_type << 8 )|
1937 ( i_fbv << 7 )|( i_bfc << 4 )|( i_ffv << 3 )|i_ffc;
1939 /* rtp common header */
1940 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
1941 in->i_pts > 0 ? in->i_pts : in->i_dts );
1943 /* 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 */
1944 out->p_buffer[12] = ( h >> 24 )&0xff;
1945 out->p_buffer[13] = ( h >> 16 )&0xff;
1946 out->p_buffer[14] = ( h >> 8 )&0xff;
1947 out->p_buffer[15] = ( h )&0xff;
1949 memcpy( &out->p_buffer[16], p_data, i_payload );
1951 out->i_buffer = 16 + i_payload;
1952 out->i_dts = in->i_dts + i * in->i_length / i_count;
1953 out->i_length = in->i_length / i_count;
1955 rtp_packetize_send( id, out );
1957 p_data += i_payload;
1958 i_data -= i_payload;
1963 static int rtp_packetize_ac3( sout_stream_t *p_stream, sout_stream_id_t *id,
1966 int i_max = id->i_mtu - 12 - 2; /* payload max in one packet */
1967 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1969 uint8_t *p_data = in->p_buffer;
1970 int i_data = in->i_buffer;
1973 for( i = 0; i < i_count; i++ )
1975 int i_payload = __MIN( i_max, i_data );
1976 block_t *out = block_New( p_stream, 14 + i_payload );
1978 /* rtp common header */
1979 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
1981 out->p_buffer[12] = 1;
1983 out->p_buffer[13] = 0x00;
1985 memcpy( &out->p_buffer[14], p_data, i_payload );
1987 out->i_buffer = 14 + i_payload;
1988 out->i_dts = in->i_dts + i * in->i_length / i_count;
1989 out->i_length = in->i_length / i_count;
1991 rtp_packetize_send( id, out );
1993 p_data += i_payload;
1994 i_data -= i_payload;
2000 static int rtp_packetize_split( sout_stream_t *p_stream, sout_stream_id_t *id,
2003 int i_max = id->i_mtu - 12; /* payload max in one packet */
2004 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2006 uint8_t *p_data = in->p_buffer;
2007 int i_data = in->i_buffer;
2010 for( i = 0; i < i_count; i++ )
2012 int i_payload = __MIN( i_max, i_data );
2013 block_t *out = block_New( p_stream, 12 + i_payload );
2015 /* rtp common header */
2016 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2017 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2018 memcpy( &out->p_buffer[12], p_data, i_payload );
2020 out->i_buffer = 12 + i_payload;
2021 out->i_dts = in->i_dts + i * in->i_length / i_count;
2022 out->i_length = in->i_length / i_count;
2024 rtp_packetize_send( id, out );
2026 p_data += i_payload;
2027 i_data -= i_payload;
2033 static int rtp_packetize_l16( sout_stream_t *p_stream, sout_stream_id_t *id,
2036 int i_max = id->i_mtu - 12; /* payload max in one packet */
2037 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2039 uint8_t *p_data = in->p_buffer;
2040 int i_data = in->i_buffer;
2045 int i_payload = (__MIN( i_max, i_data )/4)*4;
2046 block_t *out = block_New( p_stream, 12 + i_payload );
2048 /* rtp common header */
2049 rtp_packetize_common( id, out, 0,
2050 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2051 memcpy( &out->p_buffer[12], p_data, i_payload );
2053 out->i_buffer = 12 + i_payload;
2054 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
2055 out->i_length = in->i_length / i_count;
2057 rtp_packetize_send( id, out );
2059 p_data += i_payload;
2060 i_data -= i_payload;
2067 static int rtp_packetize_l8( sout_stream_t *p_stream, sout_stream_id_t *id,
2070 int i_max = id->i_mtu - 12; /* payload max in one packet */
2071 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2073 uint8_t *p_data = in->p_buffer;
2074 int i_data = in->i_buffer;
2079 int i_payload = (__MIN( i_max, i_data )/2)*2;
2080 block_t *out = block_New( p_stream, 12 + i_payload );
2082 /* rtp common header */
2083 rtp_packetize_common( id, out, 0,
2084 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2085 memcpy( &out->p_buffer[12], p_data, i_payload );
2087 out->i_buffer = 12 + i_payload;
2088 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
2089 out->i_length = in->i_length / i_count;
2091 rtp_packetize_send( id, out );
2093 p_data += i_payload;
2094 i_data -= i_payload;
2100 static int rtp_packetize_mp4a( sout_stream_t *p_stream, sout_stream_id_t *id,
2103 int i_max = id->i_mtu - 16; /* payload max in one packet */
2104 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2106 uint8_t *p_data = in->p_buffer;
2107 int i_data = in->i_buffer;
2110 for( i = 0; i < i_count; i++ )
2112 int i_payload = __MIN( i_max, i_data );
2113 block_t *out = block_New( p_stream, 16 + i_payload );
2115 /* rtp common header */
2116 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2117 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2119 /* AU headers length (bits) */
2120 out->p_buffer[12] = 0;
2121 out->p_buffer[13] = 2*8;
2122 /* for each AU length 13 bits + idx 3bits, */
2123 out->p_buffer[14] = ( in->i_buffer >> 5 )&0xff;
2124 out->p_buffer[15] = ( (in->i_buffer&0xff)<<3 )|0;
2126 memcpy( &out->p_buffer[16], p_data, i_payload );
2128 out->i_buffer = 16 + i_payload;
2129 out->i_dts = in->i_dts + i * in->i_length / i_count;
2130 out->i_length = in->i_length / i_count;
2132 rtp_packetize_send( id, out );
2134 p_data += i_payload;
2135 i_data -= i_payload;
2143 #define RTP_H263_HEADER_SIZE (2) // plen = 0
2144 #define RTP_H263_PAYLOAD_START (14) // plen = 0
2145 static int rtp_packetize_h263( sout_stream_t *p_stream, sout_stream_id_t *id,
2148 uint8_t *p_data = in->p_buffer;
2149 int i_data = in->i_buffer;
2151 int i_max = id->i_mtu - 12 - RTP_H263_HEADER_SIZE; /* payload max in one packet */
2154 int b_v_bit = 0; // no pesky error resilience
2155 int i_plen = 0; // normally plen=0 for PSC packet
2156 int i_pebit = 0; // because plen=0
2161 return VLC_EGENERIC;
2163 if( p_data[0] || p_data[1] )
2165 return VLC_EGENERIC;
2167 /* remove 2 leading 0 bytes */
2170 i_count = ( i_data + i_max - 1 ) / i_max;
2172 for( i = 0; i < i_count; i++ )
2174 int i_payload = __MIN( i_max, i_data );
2175 block_t *out = block_New( p_stream,
2176 RTP_H263_PAYLOAD_START + i_payload );
2177 b_p_bit = (i == 0) ? 1 : 0;
2178 h = ( b_p_bit << 10 )|
2183 /* rtp common header */
2184 //b_m_bit = 1; // always contains end of frame
2185 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
2186 in->i_pts > 0 ? in->i_pts : in->i_dts );
2189 out->p_buffer[12] = ( h >> 8 )&0xff;
2190 out->p_buffer[13] = ( h )&0xff;
2191 memcpy( &out->p_buffer[RTP_H263_PAYLOAD_START], p_data, i_payload );
2193 out->i_buffer = RTP_H263_PAYLOAD_START + i_payload;
2194 out->i_dts = in->i_dts + i * in->i_length / i_count;
2195 out->i_length = in->i_length / i_count;
2197 rtp_packetize_send( id, out );
2199 p_data += i_payload;
2200 i_data -= i_payload;
2206 static int rtp_packetize_amr( sout_stream_t *p_stream, sout_stream_id_t *id,
2209 int i_max = id->i_mtu - 14; /* payload max in one packet */
2210 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2212 uint8_t *p_data = in->p_buffer;
2213 int i_data = in->i_buffer;
2216 /* Only supports octet-aligned mode */
2217 for( i = 0; i < i_count; i++ )
2219 int i_payload = __MIN( i_max, i_data );
2220 block_t *out = block_New( p_stream, 14 + i_payload );
2222 /* rtp common header */
2223 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2224 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2225 /* Payload header */
2226 out->p_buffer[12] = 0xF0; /* CMR */
2227 out->p_buffer[13] = 0x00; /* ToC */ /* FIXME: frame type */
2229 /* FIXME: are we fed multiple frames ? */
2230 memcpy( &out->p_buffer[14], p_data, i_payload );
2232 out->i_buffer = 14 + i_payload;
2233 out->i_dts = in->i_dts + i * in->i_length / i_count;
2234 out->i_length = in->i_length / i_count;
2236 rtp_packetize_send( id, out );
2238 p_data += i_payload;
2239 i_data -= i_payload;