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 *****************************************************************************/
35 #include <vlc/input.h>
38 #include "vlc_httpd.h"
43 /*****************************************************************************
45 *****************************************************************************/
49 #define DST_TEXT N_("Destination")
50 #define DST_LONGTEXT N_( \
51 "This is the output URL that will be used." )
52 #define SDP_TEXT N_("SDP")
53 #define SDP_LONGTEXT N_( \
54 "This allows you to specify how the SDP (Session Descriptor) for this RTP "\
55 "session will be made available. You must use an url: http://location to " \
56 "access the SDP via HTTP, rtsp://location for RTSP access, and sap:// " \
57 "for the SDP to be announced via SAP." )
58 #define MUX_TEXT N_("Muxer")
59 #define MUX_LONGTEXT N_( \
60 "This allows you to specify the muxer used for the streaming output. " \
61 "Default is to use no muxer (standard RTP stream)." )
63 #define NAME_TEXT N_("Session name")
64 #define NAME_LONGTEXT N_( \
65 "This is the name of the session that will be announced in the SDP " \
66 "(Session Descriptor)." )
67 #define DESC_TEXT N_("Session description")
68 #define DESC_LONGTEXT N_( \
69 "This allows you to give a broader description of the stream, that will " \
70 "be announced in the SDP (Session Descriptor)." )
71 #define URL_TEXT N_("Session URL")
72 #define URL_LONGTEXT N_( \
73 "This allows you to give an URL with more details about the stream " \
74 "(often the website of the streaming organization), that will " \
75 "be announced in the SDP (Session Descriptor)." )
76 #define EMAIL_TEXT N_("Session email")
77 #define EMAIL_LONGTEXT N_( \
78 "This allows you to give a contact mail address for the stream, that will " \
79 "be announced in the SDP (Session Descriptor)." )
80 #define PORT_TEXT N_("Port")
81 #define PORT_LONGTEXT N_( \
82 "This allows you to specify the base port for the RTP streaming." )
83 #define PORT_AUDIO_TEXT N_("Audio port")
84 #define PORT_AUDIO_LONGTEXT N_( \
85 "This allows you to specify the default audio port for the RTP streaming." )
86 #define PORT_VIDEO_TEXT N_("Video port")
87 #define PORT_VIDEO_LONGTEXT N_( \
88 "This allows you to specify the default video port for the RTP streaming." )
90 #define TTL_TEXT N_("Time-To-Live (TTL)")
91 #define TTL_LONGTEXT N_( \
92 "This allows you to specify the Time-To-Live for the output stream." )
94 #define RFC3016_TEXT N_("MP4A LATM")
95 #define RFC3016_LONGTEXT N_( \
96 "This allows you to stream MPEG4 LATM audio streams (see RFC3016)." )
98 static int Open ( vlc_object_t * );
99 static void Close( vlc_object_t * );
101 #define SOUT_CFG_PREFIX "sout-rtp-"
104 set_shortname( _("RTP"));
105 set_description( _("RTP stream output") );
106 set_capability( "sout stream", 0 );
107 add_shortcut( "rtp" );
108 set_category( CAT_SOUT );
109 set_subcategory( SUBCAT_SOUT_STREAM );
111 add_string( SOUT_CFG_PREFIX "dst", "", NULL, DST_TEXT,
112 DST_LONGTEXT, VLC_TRUE );
113 add_string( SOUT_CFG_PREFIX "sdp", "", NULL, SDP_TEXT,
114 SDP_LONGTEXT, VLC_TRUE );
115 add_string( SOUT_CFG_PREFIX "mux", "", NULL, MUX_TEXT,
116 MUX_LONGTEXT, VLC_TRUE );
118 add_string( SOUT_CFG_PREFIX "name", "NONE", NULL, NAME_TEXT,
119 NAME_LONGTEXT, VLC_TRUE );
120 add_string( SOUT_CFG_PREFIX "description", "", NULL, DESC_TEXT,
121 DESC_LONGTEXT, VLC_TRUE );
122 add_string( SOUT_CFG_PREFIX "url", "", NULL, URL_TEXT,
123 URL_LONGTEXT, VLC_TRUE );
124 add_string( SOUT_CFG_PREFIX "email", "", NULL, EMAIL_TEXT,
125 EMAIL_LONGTEXT, VLC_TRUE );
127 add_integer( SOUT_CFG_PREFIX "port", 1234, NULL, PORT_TEXT,
128 PORT_LONGTEXT, VLC_TRUE );
129 add_integer( SOUT_CFG_PREFIX "port-audio", 1230, NULL, PORT_AUDIO_TEXT,
130 PORT_AUDIO_LONGTEXT, VLC_TRUE );
131 add_integer( SOUT_CFG_PREFIX "port-video", 1232, NULL, PORT_VIDEO_TEXT,
132 PORT_VIDEO_LONGTEXT, VLC_TRUE );
134 add_integer( SOUT_CFG_PREFIX "ttl", 0, NULL, TTL_TEXT,
135 TTL_LONGTEXT, VLC_TRUE );
137 add_bool( SOUT_CFG_PREFIX "mp4a-latm", 0, NULL, RFC3016_TEXT,
138 RFC3016_LONGTEXT, VLC_FALSE );
140 set_callbacks( Open, Close );
143 /*****************************************************************************
144 * Exported prototypes
145 *****************************************************************************/
146 static const char *ppsz_sout_options[] = {
147 "dst", "name", "port", "port-audio", "port-video", "*sdp", "ttl", "mux",
148 "description", "url","email", "mp4a-latm", NULL
151 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
152 static int Del ( sout_stream_t *, sout_stream_id_t * );
153 static int Send( sout_stream_t *, sout_stream_id_t *,
156 /* For unicast/interleaved streaming */
160 int64_t i_last; /* for timeout */
162 /* is it in "play" state */
163 vlc_bool_t b_playing;
165 /* output (id-access) */
167 sout_stream_id_t **id;
169 sout_access_out_t **access;
172 struct sout_stream_sys_t
178 vlc_mutex_t lock_sdp;
180 char *psz_session_name;
181 char *psz_session_description;
182 char *psz_session_url;
183 char *psz_session_email;
186 vlc_bool_t b_export_sdp_file;
189 vlc_bool_t b_export_sap;
190 session_descriptor_t *p_session;
192 httpd_host_t *p_httpd_host;
193 httpd_file_t *p_httpd_file;
195 httpd_host_t *p_rtsp_host;
196 httpd_url_t *p_rtsp_url;
197 char *psz_rtsp_control;
201 char *psz_destination;
208 /* when need to use a private one or when using muxer */
211 /* in case we do TS/PS over rtp */
213 sout_access_out_t *p_access;
215 sout_access_out_t *p_grab;
217 uint32_t i_timestamp_start;
224 sout_stream_id_t **es;
228 rtsp_client_t **rtsp;
231 typedef int (*pf_rtp_packetizer_t)( sout_stream_t *, sout_stream_id_t *,
234 struct sout_stream_id_t
236 sout_stream_t *p_stream;
238 uint8_t i_payload_type;
240 uint32_t i_timestamp_start;
247 char *psz_destination;
252 /* Packetizer specific fields */
253 pf_rtp_packetizer_t pf_packetize;
256 /* for sending the packets */
257 sout_access_out_t *p_access;
259 vlc_mutex_t lock_rtsp;
261 sout_access_out_t **rtsp_access;
264 sout_input_t *p_input;
266 /* RTSP url control */
267 httpd_url_t *p_rtsp_url;
270 static int AccessOutGrabberWrite( sout_access_out_t *, block_t * );
272 static void SDPHandleUrl( sout_stream_t *, char * );
274 static int SapSetup( sout_stream_t *p_stream );
275 static int FileSetup( sout_stream_t *p_stream );
276 static int HttpSetup( sout_stream_t *p_stream, vlc_url_t * );
277 static int RtspSetup( sout_stream_t *p_stream, vlc_url_t * );
279 static int RtspCallback( httpd_callback_sys_t *, httpd_client_t *,
280 httpd_message_t *, httpd_message_t * );
281 static int RtspCallbackId( httpd_callback_sys_t *, httpd_client_t *,
282 httpd_message_t *, httpd_message_t * );
285 static rtsp_client_t *RtspClientNew( sout_stream_t *, char *psz_session );
286 static rtsp_client_t *RtspClientGet( sout_stream_t *, char *psz_session );
287 static void RtspClientDel( sout_stream_t *, rtsp_client_t * );
289 /*****************************************************************************
291 *****************************************************************************/
292 static int Open( vlc_object_t *p_this )
294 sout_stream_t *p_stream = (sout_stream_t*)p_this;
295 sout_instance_t *p_sout = p_stream->p_sout;
296 sout_stream_sys_t *p_sys = NULL;
297 sout_cfg_t *p_cfg = NULL;
299 vlc_bool_t b_rtsp = VLC_FALSE;
301 sout_CfgParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options, p_stream->p_cfg );
303 p_sys = malloc( sizeof( sout_stream_sys_t ) );
305 p_sys->psz_destination = var_GetString( p_stream, SOUT_CFG_PREFIX "dst" );
306 if( *p_sys->psz_destination == '\0' )
308 free( p_sys->psz_destination );
309 p_sys->psz_destination = NULL;
312 p_sys->psz_session_name = var_GetString( p_stream, SOUT_CFG_PREFIX "name" );
313 p_sys->psz_session_description = var_GetString( p_stream, SOUT_CFG_PREFIX "description" );
314 p_sys->psz_session_url = var_GetString( p_stream, SOUT_CFG_PREFIX "url" );
315 p_sys->psz_session_email = var_GetString( p_stream, SOUT_CFG_PREFIX "email" );
317 p_sys->i_port = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port" );
318 p_sys->i_port_audio = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port-audio" );
319 p_sys->i_port_video = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port-video" );
321 p_sys->psz_sdp_file = NULL;
323 if( p_sys->i_port_audio == p_sys->i_port_video )
325 msg_Err( p_stream, "audio and video port cannot be the same" );
326 p_sys->i_port_audio = 0;
327 p_sys->i_port_video = 0;
330 if( !p_sys->psz_session_name )
332 if( p_sys->psz_destination )
333 p_sys->psz_session_name = strdup( p_sys->psz_destination );
335 p_sys->psz_session_name = strdup( "NONE" );
338 for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
340 if( !strcmp( p_cfg->psz_name, "sdp" ) )
342 if( p_cfg->psz_value && !strncasecmp( p_cfg->psz_value, "rtsp", 4 ) )
352 var_Get( p_stream, SOUT_CFG_PREFIX "sdp", &val2 );
353 if( !strncasecmp( val2.psz_string, "rtsp", 4 ) )
355 free( val2.psz_string );
358 if( !p_sys->psz_destination || *p_sys->psz_destination == '\0' )
362 msg_Err( p_stream, "missing destination and not in rtsp mode" );
366 p_sys->psz_destination = NULL;
368 else if( p_sys->i_port <= 0 )
370 msg_Err( p_stream, "invalid port" );
375 var_Get( p_stream, SOUT_CFG_PREFIX "ttl", &val );
378 /* Normally, we should let the default hop limit up to the core,
379 * but we have to know it to build our SDP properly, which is why
380 * we ask the core. FIXME: broken when neither sout-rtp-ttl nor
382 val.i_int = config_GetInt( p_stream, "ttl" );
384 if( val.i_int > 255 ) val.i_int = 255;
385 /* must not exceed 999 once formatted */
389 msg_Err( p_stream, "illegal TTL %d", val.i_int );
393 p_sys->i_ttl = val.i_int;
396 var_Get( p_stream, SOUT_CFG_PREFIX "mp4a-latm", &val );
397 p_sys->b_latm = val.b_bool;
399 p_sys->i_payload_type = 96;
404 p_sys->psz_sdp = NULL;
406 p_sys->i_sdp_id = mdate();
407 p_sys->i_sdp_version = 1;
408 p_sys->psz_sdp = NULL;
410 p_sys->b_export_sap = VLC_FALSE;
411 p_sys->b_export_sdp_file = VLC_FALSE;
412 p_sys->p_session = NULL;
414 p_sys->p_httpd_host = NULL;
415 p_sys->p_httpd_file = NULL;
416 p_sys->p_rtsp_host = NULL;
417 p_sys->p_rtsp_url = NULL;
418 p_sys->psz_rtsp_control = NULL;
419 p_sys->psz_rtsp_path = NULL;
421 vlc_mutex_init( p_stream, &p_sys->lock_sdp );
422 vlc_mutex_init( p_stream, &p_sys->lock_es );
424 p_stream->pf_add = Add;
425 p_stream->pf_del = Del;
426 p_stream->pf_send = Send;
428 p_stream->p_sys = p_sys;
430 var_Get( p_stream, SOUT_CFG_PREFIX "mux", &val );
431 if( *val.psz_string )
433 sout_access_out_t *p_grab;
434 char *psz_rtpmap, url[NI_MAXHOST + 8], access[17], psz_ttl[5], ipv;
438 msg_Err( p_stream, "muxing is not supported in RTSP mode" );
442 else if( !p_sys->psz_destination || *p_sys->psz_destination == '\0' )
444 msg_Err( p_stream, "rtp needs a destination when muxing" );
449 /* Check muxer type */
450 if( !strncasecmp( val.psz_string, "ps", 2 ) || !strncasecmp( val.psz_string, "mpeg1", 5 ) )
452 psz_rtpmap = "MP2P/90000";
454 else if( !strncasecmp( val.psz_string, "ts", 2 ) )
456 psz_rtpmap = "MP2T/90000";
457 p_sys->i_payload_type = 33;
461 msg_Err( p_stream, "unsupported muxer type with rtp (only ts/ps)" );
466 /* create the access out */
467 if( p_sys->i_ttl > 0 )
469 sprintf( access, "udp{raw,ttl=%d}", p_sys->i_ttl );
473 sprintf( access, "udp{raw}" );
476 /* IPv6 needs brackets if not already present */
477 snprintf( url, sizeof( url ),
478 ( ( p_sys->psz_destination[0] != '[' )
479 && ( strchr( p_sys->psz_destination, ':' ) != NULL ) )
480 ? "[%s]:%d" : "%s:%d", p_sys->psz_destination,
482 url[sizeof( url ) - 1] = '\0';
483 /* FIXME: we should check that url is a numerical address, otherwise
484 * the SDP will be quite broken (regardless of the IP protocol version)
485 * Also it might be IPv6 with no ':' if it is a DNS name.
487 ipv = ( strchr( p_sys->psz_destination, ':' ) != NULL ) ? '6' : '4';
489 if( !( p_sys->p_access = sout_AccessOutNew( p_sout, access, url ) ) )
491 msg_Err( p_stream, "cannot create the access out for %s://%s",
496 p_sys->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beurk */
497 if( p_sys->i_mtu <= 16 + MTU_REDUCE )
499 /* better than nothing */
502 p_sys->i_mtu -= MTU_REDUCE;
504 /* the access out grabber TODO export it as sout_AccessOutGrabberNew */
505 p_grab = p_sys->p_grab =
506 vlc_object_create( p_sout, sizeof( sout_access_out_t ) );
507 p_grab->p_module = NULL;
508 p_grab->p_sout = p_sout;
509 p_grab->psz_access = strdup( "grab" );
510 p_grab->p_cfg = NULL;
511 p_grab->psz_name = strdup( "" );
512 p_grab->p_sys = (sout_access_out_sys_t*)p_stream;
513 p_grab->pf_seek = NULL;
514 p_grab->pf_write = AccessOutGrabberWrite;
517 if( !( p_sys->p_mux = sout_MuxNew( p_sout, val.psz_string, p_sys->p_grab ) ) )
519 msg_Err( p_stream, "cannot create the muxer (%s)", val.psz_string );
520 sout_AccessOutDelete( p_sys->p_grab );
521 sout_AccessOutDelete( p_sys->p_access );
526 /* create the SDP for a muxed stream (only once) */
527 /* FIXME http://www.faqs.org/rfcs/rfc2327.html
528 All text fields should be UTF-8 encoded. Use global a:charset to announce this.
529 o= - should be local username (no spaces allowed)
530 o= time should be hashed with some other value to garantue uniqueness
531 o= we need IP6 support?
532 o= don't use the localhost address. use fully qualified domain name or IP4 address
533 p= international phone number (pass via vars?)
535 a= recvonly (missing)
536 a= type:broadcast (missing)
537 a= charset: (normally charset should be UTF-8, this can be used to override s= and i=)
538 a= x-plgroup: (missing)
539 RTP packets need to get the correct src IP address */
540 if( net_AddressIsMulticast( (vlc_object_t *)p_stream, p_sys->psz_destination ) )
542 snprintf( psz_ttl, sizeof( psz_ttl ), "/%d", p_sys->i_ttl );
543 psz_ttl[sizeof( psz_ttl ) - 1] = '\0';
550 asprintf( &p_sys->psz_sdp,
552 /* FIXME: source address not known :( */
553 "o=- "I64Fd" %d IN IP%c %s\r\n"
558 "t=0 0\r\n" /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
559 "a=tool:"PACKAGE_STRING"\r\n"
561 "m=video %d RTP/AVP %d\r\n"
562 "a=rtpmap:%d %s\r\n",
563 p_sys->i_sdp_id, p_sys->i_sdp_version,
564 ipv, ipv == '6' ? "::1" : "127.0.0.1" /* FIXME */,
565 p_sys->psz_session_name,
566 p_sys->psz_session_description,
567 p_sys->psz_session_url,
568 p_sys->psz_session_email,
569 ipv, p_sys->psz_destination, psz_ttl,
570 p_sys->i_port, p_sys->i_payload_type,
571 p_sys->i_payload_type, psz_rtpmap );
572 msg_Dbg( p_stream, "sdp=%s", p_sys->psz_sdp );
574 /* create the rtp context */
575 p_sys->ssrc[0] = rand()&0xff;
576 p_sys->ssrc[1] = rand()&0xff;
577 p_sys->ssrc[2] = rand()&0xff;
578 p_sys->ssrc[3] = rand()&0xff;
579 p_sys->i_sequence = rand()&0xffff;
580 p_sys->i_timestamp_start = rand()&0xffffffff;
581 p_sys->packet = NULL;
586 p_sys->p_access = NULL;
587 p_sys->p_grab = NULL;
589 free( val.psz_string );
592 var_Get( p_stream, SOUT_CFG_PREFIX "sdp", &val );
593 if( *val.psz_string )
597 SDPHandleUrl( p_stream, val.psz_string );
599 for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
601 if( !strcmp( p_cfg->psz_name, "sdp" ) )
603 if( p_cfg->psz_value == NULL || *p_cfg->psz_value == '\0' )
606 if( !strcmp( p_cfg->psz_value, val.psz_string ) ) /* needed both :sout-rtp-sdp= and rtp{sdp=} can be used */
609 SDPHandleUrl( p_stream, p_cfg->psz_value );
613 free( val.psz_string );
615 /* update p_sout->i_out_pace_nocontrol */
616 p_stream->p_sout->i_out_pace_nocontrol++;
621 /*****************************************************************************
623 *****************************************************************************/
624 static void Close( vlc_object_t * p_this )
626 sout_stream_t *p_stream = (sout_stream_t*)p_this;
627 sout_stream_sys_t *p_sys = p_stream->p_sys;
629 /* update p_sout->i_out_pace_nocontrol */
630 p_stream->p_sout->i_out_pace_nocontrol--;
634 sout_MuxDelete( p_sys->p_mux );
635 sout_AccessOutDelete( p_sys->p_access );
636 sout_AccessOutDelete( p_sys->p_grab );
639 block_Release( p_sys->packet );
641 if( p_sys->b_export_sap )
644 SapSetup( p_stream );
648 while( p_sys->i_rtsp > 0 )
650 RtspClientDel( p_stream, p_sys->rtsp[0] );
653 vlc_mutex_destroy( &p_sys->lock_sdp );
655 if( p_sys->p_httpd_file )
657 httpd_FileDelete( p_sys->p_httpd_file );
659 if( p_sys->p_httpd_host )
661 httpd_HostDelete( p_sys->p_httpd_host );
663 if( p_sys->p_rtsp_url )
665 httpd_UrlDelete( p_sys->p_rtsp_url );
667 if( p_sys->p_rtsp_host )
669 httpd_HostDelete( p_sys->p_rtsp_host );
671 if( p_sys->psz_session_name )
673 free( p_sys->psz_session_name );
674 p_sys->psz_session_name = NULL;
676 if( p_sys->psz_session_description )
678 free( p_sys->psz_session_description );
679 p_sys->psz_session_description = NULL;
681 if( p_sys->psz_session_url )
683 free( p_sys->psz_session_url );
684 p_sys->psz_session_url = NULL;
686 if( p_sys->psz_session_email )
688 free( p_sys->psz_session_email );
689 p_sys->psz_session_email = NULL;
693 free( p_sys->psz_sdp );
694 p_sys->psz_sdp = NULL;
696 if( p_sys->b_export_sdp_file )
699 unlink( p_sys->psz_sdp_file );
701 free( p_sys->psz_sdp_file );
706 /*****************************************************************************
708 *****************************************************************************/
709 static void SDPHandleUrl( sout_stream_t *p_stream, char *psz_url )
711 sout_stream_sys_t *p_sys = p_stream->p_sys;
714 vlc_UrlParse( &url, psz_url, 0 );
715 if( url.psz_protocol && !strcasecmp( url.psz_protocol, "http" ) )
717 if( p_sys->p_httpd_file )
719 msg_Err( p_stream, "you can use sdp=http:// only once" );
723 if( HttpSetup( p_stream, &url ) )
725 msg_Err( p_stream, "cannot export sdp as http" );
728 else if( url.psz_protocol && !strcasecmp( url.psz_protocol, "rtsp" ) )
730 if( p_sys->p_rtsp_url )
732 msg_Err( p_stream, "you can use sdp=rtsp:// only once" );
736 /* FIXME test if destination is multicast or no destination at all FIXME */
737 if( RtspSetup( p_stream, &url ) )
739 msg_Err( p_stream, "cannot export sdp as rtsp" );
742 else if( ( url.psz_protocol && !strcasecmp( url.psz_protocol, "sap" ) ) ||
743 ( url.psz_host && !strcasecmp( url.psz_host, "sap" ) ) )
745 p_sys->b_export_sap = VLC_TRUE;
746 SapSetup( p_stream );
748 else if( url.psz_protocol && !strcasecmp( url.psz_protocol, "file" ) )
750 if( p_sys->b_export_sdp_file )
752 msg_Err( p_stream, "you can use sdp=file:// only once" );
755 p_sys->b_export_sdp_file = VLC_TRUE;
756 psz_url = &psz_url[5];
757 if( psz_url[0] == '/' && psz_url[1] == '/' )
759 p_sys->psz_sdp_file = strdup( psz_url );
763 msg_Warn( p_stream, "unknown protocol for SDP (%s)",
766 vlc_UrlClean( &url );
769 /*****************************************************************************
771 *****************************************************************************/
772 /* FIXME http://www.faqs.org/rfcs/rfc2327.html
773 All text fields should be UTF-8 encoded. Use global a:charset to announce this.
774 o= - should be local username (no spaces allowed)
775 o= time should be hashed with some other value to garantue uniqueness
776 o= we need IP6 support?
777 o= don't use the localhost address. use fully qualified domain name or IP4 address
778 p= international phone number (pass via vars?)
780 a= recvonly (missing)
781 a= type:broadcast (missing)
782 a= charset: (normally charset should be UTF-8, this can be used to override s= and i=)
783 a= x-plgroup: (missing)
784 RTP packets need to get the correct src IP address */
785 static char *SDPGenerate( const sout_stream_t *p_stream,
786 const char *psz_destination, vlc_bool_t b_rtsp )
788 sout_stream_sys_t *p_sys = p_stream->p_sys;
790 char *psz_sdp, *p, ipv;
793 /* FIXME: breaks IP version check on unknown destination */
794 if( psz_destination == NULL )
795 psz_destination = "0.0.0.0";
797 i_size = sizeof( "v=0\r\n" ) +
798 sizeof( "o=- * * IN IP4 127.0.0.1\r\n" ) + 10 + 10 +
799 sizeof( "s=*\r\n" ) + strlen( p_sys->psz_session_name ) +
800 sizeof( "i=*\r\n" ) + strlen( p_sys->psz_session_description ) +
801 sizeof( "u=*\r\n" ) + strlen( p_sys->psz_session_url ) +
802 sizeof( "e=*\r\n" ) + strlen( p_sys->psz_session_email ) +
803 sizeof( "t=0 0\r\n" ) + /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
804 sizeof( "a=tool:"PACKAGE_STRING"\r\n" ) +
805 sizeof( "c=IN IP4 */*\r\n" ) + 20 + 10 +
806 strlen( psz_destination ) ;
807 for( i = 0; i < p_sys->i_es; i++ )
809 sout_stream_id_t *id = p_sys->es[i];
811 i_size += strlen( "m=**d*o * RTP/AVP *\r\n" ) + 10 + 10;
814 i_size += strlen( "a=rtpmap:* *\r\n" ) + strlen( id->psz_rtpmap )+10;
818 i_size += strlen( "a=fmtp:* *\r\n" ) + strlen( id->psz_fmtp ) + 10;
822 i_size += strlen( "b=AS: *\r\n") + 10;
826 i_size += strlen( "a=control:*/trackID=*\r\n" ) + strlen( p_sys->psz_rtsp_control ) + 10;
831 i_size += strlen( "m=video %d RTP/AVP %d\r\n" ) +10 +10;
834 ipv = ( strchr( psz_destination, ':' ) != NULL ) ? '6' : '4';
836 p = psz_sdp = malloc( i_size );
837 p += sprintf( p, "v=0\r\n" );
838 p += sprintf( p, "o=- "I64Fd" %d IN IP%c %s\r\n",
839 p_sys->i_sdp_id, p_sys->i_sdp_version,
840 ipv, ipv == '6' ? "::" : "127.0.0.1" );
841 if( *p_sys->psz_session_name )
842 p += sprintf( p, "s=%s\r\n", p_sys->psz_session_name );
843 if( *p_sys->psz_session_description )
844 p += sprintf( p, "i=%s\r\n", p_sys->psz_session_description );
845 if( *p_sys->psz_session_url )
846 p += sprintf( p, "u=%s\r\n", p_sys->psz_session_url );
847 if( *p_sys->psz_session_email )
848 p += sprintf( p, "e=%s\r\n", p_sys->psz_session_email );
850 p += sprintf( p, "t=0 0\r\n" ); /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
851 p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" );
853 p += sprintf( p, "c=IN IP%c %s", ipv, psz_destination );
855 if( net_AddressIsMulticast( (vlc_object_t *)p_stream, psz_destination ) )
857 /* Add the ttl if it is a multicast address */
858 /* FIXME: 1 is not a correct default value in the case of IPv6 */
859 p += sprintf( p, "/%d\r\n", p_sys->i_ttl ?: 1 );
863 p += sprintf( p, "\r\n" );
866 for( i = 0; i < p_sys->i_es; i++ )
868 sout_stream_id_t *id = p_sys->es[i];
870 if( id->i_cat == AUDIO_ES )
872 p += sprintf( p, "m=audio %d RTP/AVP %d\r\n",
873 id->i_port, id->i_payload_type );
875 else if( id->i_cat == VIDEO_ES )
877 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
878 id->i_port, id->i_payload_type );
886 p += sprintf( p, "a=rtpmap:%d %s\r\n", id->i_payload_type,
891 p += sprintf( p, "a=fmtp:%d %s\r\n", id->i_payload_type,
896 p += sprintf(p,"b=AS:%d\r\n",id->i_bitrate);
900 p += sprintf( p, "a=control:trackID=%d\r\n", i );
905 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
906 p_sys->i_port, p_sys->i_payload_type );
912 /*****************************************************************************
914 *****************************************************************************/
915 static int rtp_packetize_l16 ( sout_stream_t *, sout_stream_id_t *, block_t * );
916 static int rtp_packetize_l8 ( sout_stream_t *, sout_stream_id_t *, block_t * );
917 static int rtp_packetize_mpa ( sout_stream_t *, sout_stream_id_t *, block_t * );
918 static int rtp_packetize_mpv ( sout_stream_t *, sout_stream_id_t *, block_t * );
919 static int rtp_packetize_ac3 ( sout_stream_t *, sout_stream_id_t *, block_t * );
920 static int rtp_packetize_split( sout_stream_t *, sout_stream_id_t *, block_t * );
921 static int rtp_packetize_mp4a ( sout_stream_t *, sout_stream_id_t *, block_t * );
922 static int rtp_packetize_mp4a_latm ( sout_stream_t *, sout_stream_id_t *, block_t * );
923 static int rtp_packetize_h263 ( sout_stream_t *, sout_stream_id_t *, block_t * );
924 static int rtp_packetize_h264 ( sout_stream_t *, sout_stream_id_t *, block_t * );
925 static int rtp_packetize_amr ( sout_stream_t *, sout_stream_id_t *, block_t * );
927 static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
929 static const char hex[16] = "0123456789abcdef";
932 for( i = 0; i < i_data; i++ )
934 s[2*i+0] = hex[(p_data[i]>>4)&0xf];
935 s[2*i+1] = hex[(p_data[i] )&0xf];
940 static const char basis_64[] =
941 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
943 int ap_base64encode_len(int len)
945 return ((len + 2) / 3 * 4) + 1;
948 int ap_base64encode_binary(char *encoded,
949 const unsigned char *string, int len)
955 for (i = 0; i < len - 2; i += 3) {
956 *p++ = basis_64[(string[i] >> 2) & 0x3F];
957 *p++ = basis_64[((string[i] & 0x3) << 4) |
958 ((int) (string[i + 1] & 0xF0) >> 4)];
959 *p++ = basis_64[((string[i + 1] & 0xF) << 2) |
960 ((int) (string[i + 2] & 0xC0) >> 6)];
961 *p++ = basis_64[string[i + 2] & 0x3F];
964 *p++ = basis_64[(string[i] >> 2) & 0x3F];
965 if (i == (len - 1)) {
966 *p++ = basis_64[((string[i] & 0x3) << 4)];
970 *p++ = basis_64[((string[i] & 0x3) << 4) |
971 ((int) (string[i + 1] & 0xF0) >> 4)];
972 *p++ = basis_64[((string[i + 1] & 0xF) << 2)];
981 int ap_base64encode(char *encoded, const char *string, int len)
983 return ap_base64encode_binary(encoded, (const unsigned char *) string, len);
986 char *b64_encode(char *buf, int len)
994 elen = ap_base64encode_len(len);
995 out = (char *) malloc(sizeof(char) * (elen + 1));
997 ap_base64encode(out, buf, len);
1002 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
1004 sout_instance_t *p_sout = p_stream->p_sout;
1005 sout_stream_sys_t *p_sys = p_stream->p_sys;
1006 sout_stream_id_t *id;
1007 sout_access_out_t *p_access = NULL;
1011 if( p_sys->p_mux != NULL )
1013 sout_input_t *p_input = NULL;
1014 if( ( p_input = sout_MuxAddStream( p_sys->p_mux, p_fmt ) ) == NULL )
1016 msg_Err( p_stream, "cannot add this stream to the muxer" );
1020 id = malloc( sizeof( sout_stream_id_t ) );
1021 memset( id, 0, sizeof( sout_stream_id_t ) );
1022 id->p_access = NULL;
1023 id->p_input = p_input;
1024 id->pf_packetize= NULL;
1025 id->p_rtsp_url = NULL;
1031 /* Choose the port */
1033 if( p_fmt->i_cat == AUDIO_ES && p_sys->i_port_audio > 0 )
1035 i_port = p_sys->i_port_audio;
1036 p_sys->i_port_audio = 0;
1038 else if( p_fmt->i_cat == VIDEO_ES && p_sys->i_port_video > 0 )
1040 i_port = p_sys->i_port_video;
1041 p_sys->i_port_video = 0;
1043 while( i_port == 0 )
1045 if( p_sys->i_port != p_sys->i_port_audio && p_sys->i_port != p_sys->i_port_video )
1047 i_port = p_sys->i_port;
1054 if( p_sys->psz_destination )
1057 char url[NI_MAXHOST + 8];
1059 /* first try to create the access out */
1062 snprintf( access, sizeof( access ), "udp{raw,ttl=%d}",
1064 access[sizeof( access ) - 1] = '\0';
1067 strcpy( access, "udp{raw}" );
1069 snprintf( url, sizeof( url ), (( p_sys->psz_destination[0] != '[' ) &&
1070 strchr( p_sys->psz_destination, ':' )) ? "[%s]:%d" : "%s:%d",
1071 p_sys->psz_destination, i_port );
1072 url[sizeof( url ) - 1] = '\0';
1074 if( ( p_access = sout_AccessOutNew( p_sout, access, url ) ) == NULL )
1076 msg_Err( p_stream, "cannot create the access out for %s://%s",
1080 msg_Dbg( p_stream, "access out %s:%s", access, url );
1083 /* not create the rtp specific stuff */
1084 id = malloc( sizeof( sout_stream_id_t ) );
1085 memset( id, 0, sizeof( sout_stream_id_t ) );
1086 id->p_stream = p_stream;
1087 id->p_access = p_access;
1089 id->psz_rtpmap = NULL;
1090 id->psz_fmtp = NULL;
1091 id->psz_destination = p_sys->psz_destination ? strdup( p_sys->psz_destination ) : NULL;
1092 id->i_port = i_port;
1093 id->p_rtsp_url = NULL;
1094 vlc_mutex_init( p_stream, &id->lock_rtsp );
1095 id->i_rtsp_access = 0;
1096 id->rtsp_access = NULL;
1098 switch( p_fmt->i_codec )
1100 case VLC_FOURCC( 's', '1', '6', 'b' ):
1101 if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
1103 id->i_payload_type = 11;
1105 else if( p_fmt->audio.i_channels == 2 &&
1106 p_fmt->audio.i_rate == 44100 )
1108 id->i_payload_type = 10;
1112 id->i_payload_type = p_sys->i_payload_type++;
1114 id->psz_rtpmap = malloc( strlen( "L16/*/*" ) + 20+1 );
1115 sprintf( id->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
1116 p_fmt->audio.i_channels );
1117 id->i_clock_rate = p_fmt->audio.i_rate;
1118 id->pf_packetize = rtp_packetize_l16;
1120 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
1121 id->i_payload_type = p_sys->i_payload_type++;
1122 id->psz_rtpmap = malloc( strlen( "L8/*/*" ) + 20+1 );
1123 sprintf( id->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
1124 p_fmt->audio.i_channels );
1125 id->i_clock_rate = p_fmt->audio.i_rate;
1126 id->pf_packetize = rtp_packetize_l8;
1128 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
1129 id->i_payload_type = 14;
1130 id->i_clock_rate = 90000;
1131 id->psz_rtpmap = strdup( "MPA/90000" );
1132 id->pf_packetize = rtp_packetize_mpa;
1134 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
1135 id->i_payload_type = 32;
1136 id->i_clock_rate = 90000;
1137 id->psz_rtpmap = strdup( "MPV/90000" );
1138 id->pf_packetize = rtp_packetize_mpv;
1140 case VLC_FOURCC( 'a', '5', '2', ' ' ):
1141 id->i_payload_type = p_sys->i_payload_type++;
1142 id->i_clock_rate = 90000;
1143 id->psz_rtpmap = strdup( "ac3/90000" );
1144 id->pf_packetize = rtp_packetize_ac3;
1146 case VLC_FOURCC( 'H', '2', '6', '3' ):
1147 id->i_payload_type = p_sys->i_payload_type++;
1148 id->i_clock_rate = 90000;
1149 id->psz_rtpmap = strdup( "H263-1998/90000" );
1150 id->pf_packetize = rtp_packetize_h263;
1152 case VLC_FOURCC( 'h', '2', '6', '4' ):
1153 id->i_payload_type = p_sys->i_payload_type++;
1154 id->i_clock_rate = 90000;
1155 id->psz_rtpmap = strdup( "H264/90000" );
1156 id->pf_packetize = rtp_packetize_h264;
1157 if( p_fmt->i_extra > 0 )
1159 uint8_t *p_buffer = p_fmt->p_extra;
1160 int i_buffer = p_fmt->i_extra;
1165 while( i_buffer > 4 &&
1166 p_buffer[0] == 0 && p_buffer[1] == 0 &&
1167 p_buffer[2] == 0 && p_buffer[3] == 1 )
1169 const int i_nal_type = p_buffer[4]&0x1f;
1172 int i_startcode = 0;
1175 msg_Dbg( p_stream, "we found a startcode for NAL with TYPE:%d", i_nal_type );
1177 for( i_offset = 1; i_offset+3 < i_buffer ; i_offset++)
1179 if( p_buffer[i_offset] == 0 && p_buffer[i_offset+1] == 0 && p_buffer[i_offset+2] == 0 && p_buffer[i_offset+3] == 1 )
1181 /* we found another startcode */
1182 i_startcode = i_offset;
1186 i_size = i_startcode ? i_startcode : i_buffer;
1187 if( i_nal_type == 7 )
1189 p_64_sps = (char *)malloc( ap_base64encode_len( i_size - 4) );
1190 i_encoded = ap_base64encode_binary( p_64_sps, &p_buffer[4], i_size - 4 );
1191 p_64_sps[i_encoded] = '\0';
1192 sprintf_hexa( hexa, &p_buffer[5], 3 );
1195 if( i_nal_type == 8 )
1197 p_64_pps = (char *)malloc( ap_base64encode_len( i_size - 4) );
1198 i_encoded = ap_base64encode_binary( p_64_pps, &p_buffer[4], i_size - 4 );
1199 p_64_pps[i_encoded] = '\0';
1204 /* FIXME: All this is a bit unsafe */
1205 asprintf( &id->psz_fmtp, "packetization-mode=1;profile-level-id=%s;sprop-parameter-sets=%s,%s;", hexa, p_64_sps, p_64_pps );
1210 id->psz_fmtp = strdup( "packetization-mode=1" );
1213 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
1215 char hexa[2*p_fmt->i_extra +1];
1217 id->i_payload_type = p_sys->i_payload_type++;
1218 id->i_clock_rate = 90000;
1219 id->psz_rtpmap = strdup( "MP4V-ES/90000" );
1220 id->pf_packetize = rtp_packetize_split;
1221 if( p_fmt->i_extra > 0 )
1223 id->psz_fmtp = malloc( 100 + 2 * p_fmt->i_extra );
1224 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
1225 sprintf( id->psz_fmtp,
1226 "profile-level-id=3; config=%s;", hexa );
1230 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
1232 id->i_payload_type = p_sys->i_payload_type++;
1233 id->i_clock_rate = p_fmt->audio.i_rate;
1237 char hexa[2*p_fmt->i_extra +1];
1239 id->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
1240 sprintf( id->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
1241 id->pf_packetize = rtp_packetize_mp4a;
1242 id->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
1243 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
1244 sprintf( id->psz_fmtp,
1245 "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
1246 "config=%s; SizeLength=13;IndexLength=3; "
1247 "IndexDeltaLength=3; Profile=1;", hexa );
1253 unsigned char config[6];
1254 unsigned int aacsrates[15] = {
1255 96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
1256 16000, 12000, 11025, 8000, 7350, 0, 0 };
1258 for( i = 0; i < 15; i++ )
1259 if( p_fmt->audio.i_rate == aacsrates[i] )
1265 config[3]=p_fmt->audio.i_channels<<4;
1269 asprintf( &id->psz_rtpmap, "MP4A-LATM/%d/%d",
1270 p_fmt->audio.i_rate, p_fmt->audio.i_channels );
1271 id->pf_packetize = rtp_packetize_mp4a_latm;
1272 sprintf_hexa( hexa, config, 6 );
1273 asprintf( &id->psz_fmtp, "profile-level-id=15; "
1274 "object=2; cpresent=0; config=%s", hexa );
1278 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
1279 id->i_payload_type = p_sys->i_payload_type++;
1280 id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
1281 "AMR/8000/2" : "AMR/8000" );
1282 id->psz_fmtp = strdup( "octet-align=1" );
1283 id->i_clock_rate = p_fmt->audio.i_rate;
1284 id->pf_packetize = rtp_packetize_amr;
1286 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
1287 id->i_payload_type = p_sys->i_payload_type++;
1288 id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
1289 "AMR-WB/16000/2" : "AMR-WB/16000" );
1290 id->psz_fmtp = strdup( "octet-align=1" );
1291 id->i_clock_rate = p_fmt->audio.i_rate;
1292 id->pf_packetize = rtp_packetize_amr;
1296 msg_Err( p_stream, "cannot add this stream (unsupported "
1297 "codec:%4.4s)", (char*)&p_fmt->i_codec );
1300 sout_AccessOutDelete( p_access );
1305 id->i_cat = p_fmt->i_cat;
1307 id->ssrc[0] = rand()&0xff;
1308 id->ssrc[1] = rand()&0xff;
1309 id->ssrc[2] = rand()&0xff;
1310 id->ssrc[3] = rand()&0xff;
1311 id->i_sequence = rand()&0xffff;
1312 id->i_timestamp_start = rand()&0xffffffff;
1313 id->i_bitrate = p_fmt->i_bitrate/1000; /* Stream bitrate in kbps */
1315 id->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beuk */
1316 if( id->i_mtu <= 16 + MTU_REDUCE )
1318 /* better than nothing */
1321 id->i_mtu -= MTU_REDUCE;
1322 msg_Dbg( p_stream, "maximum RTP packet size: %d bytes", id->i_mtu );
1324 if( p_sys->p_rtsp_url )
1326 char psz_urlc[strlen( p_sys->psz_rtsp_control ) + 1 + 10];
1328 sprintf( psz_urlc, "%s/trackID=%d", p_sys->psz_rtsp_path, p_sys->i_es );
1329 msg_Dbg( p_stream, "rtsp: adding %s\n", psz_urlc );
1330 id->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, psz_urlc, NULL, NULL, NULL );
1332 if( id->p_rtsp_url )
1334 httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_SETUP, RtspCallbackId, (void*)id );
1335 //httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
1336 //httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
1341 /* Update p_sys context */
1342 vlc_mutex_lock( &p_sys->lock_es );
1343 TAB_APPEND( p_sys->i_es, p_sys->es, id );
1344 vlc_mutex_unlock( &p_sys->lock_es );
1346 psz_sdp = SDPGenerate( p_stream, p_sys->psz_destination, VLC_FALSE );
1348 vlc_mutex_lock( &p_sys->lock_sdp );
1349 free( p_sys->psz_sdp );
1350 p_sys->psz_sdp = psz_sdp;
1351 vlc_mutex_unlock( &p_sys->lock_sdp );
1353 p_sys->i_sdp_version++;
1355 msg_Dbg( p_stream, "sdp=%s", p_sys->psz_sdp );
1357 /* Update SDP (sap/file) */
1358 if( p_sys->b_export_sap ) SapSetup( p_stream );
1359 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
1364 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
1366 sout_stream_sys_t *p_sys = p_stream->p_sys;
1368 vlc_mutex_lock( &p_sys->lock_es );
1369 TAB_REMOVE( p_sys->i_es, p_sys->es, id );
1370 vlc_mutex_unlock( &p_sys->lock_es );
1373 if( id->i_port > 0 )
1375 if( id->i_cat == AUDIO_ES && p_sys->i_port_audio == 0 )
1376 p_sys->i_port_audio = id->i_port;
1377 else if( id->i_cat == VIDEO_ES && p_sys->i_port_video == 0 )
1378 p_sys->i_port_video = id->i_port;
1383 if( id->psz_rtpmap )
1385 free( id->psz_rtpmap );
1389 free( id->psz_fmtp );
1391 if( id->psz_destination )
1392 free( id->psz_destination );
1393 sout_AccessOutDelete( id->p_access );
1395 else if( id->p_input )
1397 sout_MuxDeleteStream( p_sys->p_mux, id->p_input );
1399 if( id->p_rtsp_url )
1401 httpd_UrlDelete( id->p_rtsp_url );
1403 vlc_mutex_destroy( &id->lock_rtsp );
1404 if( id->rtsp_access ) free( id->rtsp_access );
1406 /* Update SDP (sap/file) */
1407 if( p_sys->b_export_sap && !p_sys->p_mux ) SapSetup( p_stream );
1408 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
1414 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
1419 if( p_stream->p_sys->p_mux )
1421 sout_MuxSendBuffer( p_stream->p_sys->p_mux, id->p_input, p_buffer );
1427 p_next = p_buffer->p_next;
1428 if( id->pf_packetize( p_stream, id, p_buffer ) )
1432 block_Release( p_buffer );
1440 static int AccessOutGrabberWriteBuffer( sout_stream_t *p_stream,
1443 sout_stream_sys_t *p_sys = p_stream->p_sys;
1445 int64_t i_dts = p_buffer->i_dts;
1446 uint32_t i_timestamp = i_dts * 9 / 100;
1448 uint8_t *p_data = p_buffer->p_buffer;
1449 unsigned int i_data = p_buffer->i_buffer;
1450 unsigned int i_max = p_sys->i_mtu - 12;
1452 unsigned i_packet = ( p_buffer->i_buffer + i_max - 1 ) / i_max;
1456 unsigned int i_size;
1458 /* output complete packet */
1459 if( p_sys->packet &&
1460 p_sys->packet->i_buffer + i_data > i_max )
1462 sout_AccessOutWrite( p_sys->p_access, p_sys->packet );
1463 p_sys->packet = NULL;
1466 if( p_sys->packet == NULL )
1468 /* allocate a new packet */
1469 p_sys->packet = block_New( p_stream, p_sys->i_mtu );
1470 p_sys->packet->p_buffer[ 0] = 0x80;
1471 p_sys->packet->p_buffer[ 1] = 0x80|p_sys->i_payload_type;
1472 p_sys->packet->p_buffer[ 2] = ( p_sys->i_sequence >> 8)&0xff;
1473 p_sys->packet->p_buffer[ 3] = ( p_sys->i_sequence )&0xff;
1474 p_sys->packet->p_buffer[ 4] = ( i_timestamp >> 24 )&0xff;
1475 p_sys->packet->p_buffer[ 5] = ( i_timestamp >> 16 )&0xff;
1476 p_sys->packet->p_buffer[ 6] = ( i_timestamp >> 8 )&0xff;
1477 p_sys->packet->p_buffer[ 7] = ( i_timestamp )&0xff;
1478 p_sys->packet->p_buffer[ 8] = p_sys->ssrc[0];
1479 p_sys->packet->p_buffer[ 9] = p_sys->ssrc[1];
1480 p_sys->packet->p_buffer[10] = p_sys->ssrc[2];
1481 p_sys->packet->p_buffer[11] = p_sys->ssrc[3];
1482 p_sys->packet->i_buffer = 12;
1484 p_sys->packet->i_dts = i_dts;
1485 p_sys->packet->i_length = p_buffer->i_length / i_packet;
1486 i_dts += p_sys->packet->i_length;
1488 p_sys->i_sequence++;
1491 i_size = __MIN( i_data,
1492 (unsigned)(p_sys->i_mtu - p_sys->packet->i_buffer) );
1494 memcpy( &p_sys->packet->p_buffer[p_sys->packet->i_buffer],
1497 p_sys->packet->i_buffer += i_size;
1505 static int AccessOutGrabberWrite( sout_access_out_t *p_access,
1508 sout_stream_t *p_stream = (sout_stream_t*)p_access->p_sys;
1510 //fprintf( stderr, "received buffer size=%d\n", p_buffer->i_buffer );
1516 AccessOutGrabberWriteBuffer( p_stream, p_buffer );
1518 p_next = p_buffer->p_next;
1519 block_Release( p_buffer );
1526 /****************************************************************************
1528 ****************************************************************************/
1529 static int SapSetup( sout_stream_t *p_stream )
1531 sout_stream_sys_t *p_sys = p_stream->p_sys;
1532 sout_instance_t *p_sout = p_stream->p_sout;
1533 announce_method_t *p_method = sout_AnnounceMethodCreate( METHOD_TYPE_SAP );
1535 /* Remove the previous session */
1536 if( p_sys->p_session != NULL)
1538 sout_AnnounceUnRegister( p_sout, p_sys->p_session);
1539 sout_AnnounceSessionDestroy( p_sys->p_session );
1540 p_sys->p_session = NULL;
1543 if( ( p_sys->i_es > 0 || p_sys->p_mux ) && p_sys->psz_sdp && *p_sys->psz_sdp )
1545 p_sys->p_session = sout_AnnounceRegisterSDP( p_sout, p_sys->psz_sdp,
1546 p_sys->psz_destination,
1554 /****************************************************************************
1556 ****************************************************************************/
1557 static int FileSetup( sout_stream_t *p_stream )
1559 sout_stream_sys_t *p_sys = p_stream->p_sys;
1562 if( ( f = utf8_fopen( p_sys->psz_sdp_file, "wt" ) ) == NULL )
1564 msg_Err( p_stream, "cannot open file '%s' (%s)",
1565 p_sys->psz_sdp_file, strerror(errno) );
1566 return VLC_EGENERIC;
1569 fprintf( f, "%s", p_sys->psz_sdp );
1575 /****************************************************************************
1577 ****************************************************************************/
1578 static int HttpCallback( httpd_file_sys_t *p_args,
1579 httpd_file_t *, uint8_t *p_request,
1580 uint8_t **pp_data, int *pi_data );
1582 static int HttpSetup( sout_stream_t *p_stream, vlc_url_t *url)
1584 sout_stream_sys_t *p_sys = p_stream->p_sys;
1586 p_sys->p_httpd_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 80 );
1587 if( p_sys->p_httpd_host )
1589 p_sys->p_httpd_file = httpd_FileNew( p_sys->p_httpd_host,
1590 url->psz_path ? url->psz_path : "/",
1593 HttpCallback, (void*)p_sys );
1595 if( p_sys->p_httpd_file == NULL )
1597 return VLC_EGENERIC;
1602 static int HttpCallback( httpd_file_sys_t *p_args,
1603 httpd_file_t *f, uint8_t *p_request,
1604 uint8_t **pp_data, int *pi_data )
1606 sout_stream_sys_t *p_sys = (sout_stream_sys_t*)p_args;
1608 vlc_mutex_lock( &p_sys->lock_sdp );
1609 if( p_sys->psz_sdp && *p_sys->psz_sdp )
1611 *pi_data = strlen( p_sys->psz_sdp );
1612 *pp_data = malloc( *pi_data );
1613 memcpy( *pp_data, p_sys->psz_sdp, *pi_data );
1620 vlc_mutex_unlock( &p_sys->lock_sdp );
1625 /****************************************************************************
1627 ****************************************************************************/
1628 static rtsp_client_t *RtspClientNew( sout_stream_t *p_stream, char *psz_session )
1630 rtsp_client_t *rtsp = malloc( sizeof( rtsp_client_t ));
1632 rtsp->psz_session = psz_session;
1634 rtsp->b_playing = VLC_FALSE;
1638 rtsp->access = NULL;
1640 TAB_APPEND( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
1644 static rtsp_client_t *RtspClientGet( sout_stream_t *p_stream, char *psz_session )
1648 if( psz_session ) return NULL;
1650 for( i = 0; i < p_stream->p_sys->i_rtsp; i++ )
1652 if( !strcmp( p_stream->p_sys->rtsp[i]->psz_session, psz_session ) )
1654 return p_stream->p_sys->rtsp[i];
1660 static void RtspClientDel( sout_stream_t *p_stream, rtsp_client_t *rtsp )
1663 TAB_REMOVE( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
1665 for( i = 0; i < rtsp->i_access; i++ )
1667 sout_AccessOutDelete( rtsp->access[i] );
1669 if( rtsp->id ) free( rtsp->id );
1670 if( rtsp->access ) free( rtsp->access );
1672 free( rtsp->psz_session );
1676 static int RtspSetup( sout_stream_t *p_stream, vlc_url_t *url )
1678 sout_stream_sys_t *p_sys = p_stream->p_sys;
1680 msg_Dbg( p_stream, "rtsp setup: %s : %d / %s\n", url->psz_host, url->i_port, url->psz_path );
1682 p_sys->p_rtsp_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 554 );
1683 if( p_sys->p_rtsp_host == NULL )
1685 return VLC_EGENERIC;
1688 p_sys->psz_rtsp_path = strdup( url->psz_path ? url->psz_path : "/" );
1689 p_sys->psz_rtsp_control = malloc (strlen( url->psz_host ) + 20 + strlen( p_sys->psz_rtsp_path ) + 1 );
1690 sprintf( p_sys->psz_rtsp_control, "rtsp://%s:%d%s",
1691 url->psz_host, url->i_port > 0 ? url->i_port : 554, p_sys->psz_rtsp_path );
1693 p_sys->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, p_sys->psz_rtsp_path, NULL, NULL, NULL );
1694 if( p_sys->p_rtsp_url == 0 )
1696 return VLC_EGENERIC;
1698 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_DESCRIBE, RtspCallback, (void*)p_stream );
1699 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
1700 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
1701 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_TEARDOWN, RtspCallback, (void*)p_stream );
1706 static int RtspCallback( httpd_callback_sys_t *p_args,
1708 httpd_message_t *answer, httpd_message_t *query )
1710 sout_stream_t *p_stream = (sout_stream_t*)p_args;
1711 sout_stream_sys_t *p_sys = p_stream->p_sys;
1712 char *psz_destination = p_sys->psz_destination;
1713 char *psz_session = NULL;
1714 char *psz_cseq = NULL;
1717 if( answer == NULL || query == NULL )
1721 //fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
1723 answer->i_proto = HTTPD_PROTO_RTSP;
1724 answer->i_version= query->i_version;
1725 answer->i_type = HTTPD_MSG_ANSWER;
1727 switch( query->i_type )
1729 case HTTPD_MSG_DESCRIBE:
1731 char *psz_sdp = SDPGenerate( p_stream, psz_destination ? psz_destination : "0.0.0.0", VLC_TRUE );
1733 answer->i_status = 200;
1734 answer->psz_status = strdup( "OK" );
1735 httpd_MsgAdd( answer, "Content-type", "%s", "application/sdp" );
1737 answer->p_body = (uint8_t *)psz_sdp;
1738 answer->i_body = strlen( psz_sdp );
1742 case HTTPD_MSG_PLAY:
1744 rtsp_client_t *rtsp;
1745 /* for now only multicast so easy */
1746 answer->i_status = 200;
1747 answer->psz_status = strdup( "OK" );
1749 answer->p_body = NULL;
1751 psz_session = httpd_MsgGet( query, "Session" );
1752 rtsp = RtspClientGet( p_stream, psz_session );
1753 if( rtsp && !rtsp->b_playing )
1757 rtsp->b_playing = VLC_TRUE;
1759 vlc_mutex_lock( &p_sys->lock_es );
1760 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
1762 sout_stream_id_t *id = rtsp->id[i_id];
1765 for( i = 0; i < p_sys->i_es; i++ )
1767 if( id == p_sys->es[i] )
1770 if( i >= p_sys->i_es ) continue;
1772 vlc_mutex_lock( &id->lock_rtsp );
1773 TAB_APPEND( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
1774 vlc_mutex_unlock( &id->lock_rtsp );
1776 vlc_mutex_unlock( &p_sys->lock_es );
1780 case HTTPD_MSG_PAUSE:
1782 return VLC_EGENERIC;
1783 case HTTPD_MSG_TEARDOWN:
1785 rtsp_client_t *rtsp;
1787 /* for now only multicast so easy again */
1788 answer->i_status = 200;
1789 answer->psz_status = strdup( "OK" );
1791 answer->p_body = NULL;
1793 psz_session = httpd_MsgGet( query, "Session" );
1794 rtsp = RtspClientGet( p_stream, psz_session );
1799 vlc_mutex_lock( &p_sys->lock_es );
1800 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
1802 sout_stream_id_t *id = rtsp->id[i_id];
1805 for( i = 0; i < p_sys->i_es; i++ )
1807 if( id == p_sys->es[i] )
1810 if( i >= p_sys->i_es ) continue;
1812 vlc_mutex_lock( &id->lock_rtsp );
1813 TAB_REMOVE( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
1814 vlc_mutex_unlock( &id->lock_rtsp );
1816 vlc_mutex_unlock( &p_sys->lock_es );
1818 RtspClientDel( p_stream, rtsp );
1824 return VLC_EGENERIC;
1826 httpd_MsgAdd( answer, "Server", PACKAGE_STRING );
1827 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1828 psz_cseq = httpd_MsgGet( query, "Cseq" );
1830 i_cseq = atoi( psz_cseq );
1833 httpd_MsgAdd( answer, "Cseq", "%d", i_cseq );
1834 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1838 httpd_MsgAdd( answer, "Session", "%s;timeout=5", psz_session );
1843 static int RtspCallbackId( httpd_callback_sys_t *p_args,
1845 httpd_message_t *answer, httpd_message_t *query )
1847 sout_stream_id_t *id = (sout_stream_id_t*)p_args;
1848 sout_stream_t *p_stream = id->p_stream;
1849 sout_stream_sys_t *p_sys = p_stream->p_sys;
1850 char *psz_session = NULL;
1851 char *psz_cseq = NULL;
1855 if( answer == NULL || query == NULL )
1859 //fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
1861 answer->i_proto = HTTPD_PROTO_RTSP;
1862 answer->i_version= query->i_version;
1863 answer->i_type = HTTPD_MSG_ANSWER;
1865 switch( query->i_type )
1867 case HTTPD_MSG_SETUP:
1869 char *psz_transport = httpd_MsgGet( query, "Transport" );
1871 //fprintf( stderr, "HTTPD_MSG_SETUP: transport=%s\n", psz_transport );
1873 if( strstr( psz_transport, "multicast" ) && id->psz_destination )
1875 //fprintf( stderr, "HTTPD_MSG_SETUP: multicast\n" );
1876 answer->i_status = 200;
1877 answer->psz_status = strdup( "OK" );
1879 answer->p_body = NULL;
1880 psz_session = httpd_MsgGet( query, "Session" );
1883 psz_session = malloc( 100 );
1884 sprintf( psz_session, "%d", rand() );
1886 httpd_MsgAdd( answer, "Transport",
1887 "RTP/AVP/UDP;destination=%s;port=%d-%d;ttl=%d",
1888 id->psz_destination, id->i_port,id->i_port+1,
1891 else if( strstr( psz_transport, "unicast" ) && strstr( psz_transport, "client_port=" ) )
1893 int i_port = atoi( strstr( psz_transport, "client_port=" ) + strlen("client_port=") );
1894 char ip[NI_MAXNUMERICHOST], psz_access[17], psz_url[NI_MAXNUMERICHOST + 8];
1896 sout_access_out_t *p_access;
1898 rtsp_client_t *rtsp = NULL;
1900 if( httpd_ClientIP( cl, ip ) == NULL )
1902 answer->i_status = 500;
1903 answer->psz_status = strdup( "Internal server error" );
1905 answer->p_body = NULL;
1909 //fprintf( stderr, "HTTPD_MSG_SETUP: unicast ip=%s port=%d\n", ip, i_port );
1911 psz_session = httpd_MsgGet( query, "Session" );
1914 psz_session = malloc( 100 );
1915 sprintf( psz_session, "%d", rand() );
1917 rtsp = RtspClientNew( p_stream, psz_session );
1921 rtsp = RtspClientGet( p_stream, psz_session );
1924 answer->i_status = 454;
1925 answer->psz_status = strdup( "Unknown session id" );
1927 answer->p_body = NULL;
1932 /* first try to create the access out */
1934 snprintf( psz_access, sizeof( psz_access ),
1935 "udp{raw,ttl=%d}", p_sys->i_ttl );
1937 strlcpy( psz_access, "udp{raw}", sizeof( psz_access ) );
1939 snprintf( psz_url, sizeof( psz_url ),
1940 ( strchr( ip, ':' ) != NULL ) ? "[%s]:%d" : "%s:%d",
1943 if( ( p_access = sout_AccessOutNew( p_stream->p_sout, psz_access, psz_url ) ) == NULL )
1945 msg_Err( p_stream, "cannot create the access out for %s://%s",
1946 psz_access, psz_url );
1947 answer->i_status = 500;
1948 answer->psz_status = strdup( "Internal server error" );
1950 answer->p_body = NULL;
1954 TAB_APPEND( rtsp->i_id, rtsp->id, id );
1955 TAB_APPEND( rtsp->i_access, rtsp->access, p_access );
1957 answer->i_status = 200;
1958 answer->psz_status = strdup( "OK" );
1960 answer->p_body = NULL;
1962 httpd_MsgAdd( answer, "Transport",
1963 "RTP/AVP/UDP;client_port=%d-%d", i_port, i_port + 1 );
1965 else /* TODO strstr( psz_transport, "interleaved" ) ) */
1967 answer->i_status = 461;
1968 answer->psz_status = strdup( "Unsupported Transport" );
1970 answer->p_body = NULL;
1976 return VLC_EGENERIC;
1978 httpd_MsgAdd( answer, "Server", "VLC Server" );
1979 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1980 psz_cseq = httpd_MsgGet( query, "Cseq" );
1982 i_cseq = atoi( psz_cseq );
1985 httpd_MsgAdd( answer, "Cseq", "%d", i_cseq );
1986 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1990 httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
1995 /****************************************************************************
1997 ****************************************************************************/
1998 static void rtp_packetize_common( sout_stream_id_t *id, block_t *out,
1999 int b_marker, int64_t i_pts )
2001 uint32_t i_timestamp = i_pts * (int64_t)id->i_clock_rate / I64C(1000000);
2003 out->p_buffer[0] = 0x80;
2004 out->p_buffer[1] = (b_marker?0x80:0x00)|id->i_payload_type;
2005 out->p_buffer[2] = ( id->i_sequence >> 8)&0xff;
2006 out->p_buffer[3] = ( id->i_sequence )&0xff;
2007 out->p_buffer[4] = ( i_timestamp >> 24 )&0xff;
2008 out->p_buffer[5] = ( i_timestamp >> 16 )&0xff;
2009 out->p_buffer[6] = ( i_timestamp >> 8 )&0xff;
2010 out->p_buffer[7] = ( i_timestamp )&0xff;
2012 out->p_buffer[ 8] = id->ssrc[0];
2013 out->p_buffer[ 9] = id->ssrc[1];
2014 out->p_buffer[10] = id->ssrc[2];
2015 out->p_buffer[11] = id->ssrc[3];
2021 static void rtp_packetize_send( sout_stream_id_t *id, block_t *out )
2024 vlc_mutex_lock( &id->lock_rtsp );
2025 for( i = 0; i < id->i_rtsp_access; i++ )
2027 sout_AccessOutWrite( id->rtsp_access[i], block_Duplicate( out ) );
2029 vlc_mutex_unlock( &id->lock_rtsp );
2033 sout_AccessOutWrite( id->p_access, out );
2037 block_Release( out );
2041 static int rtp_packetize_mpa( sout_stream_t *p_stream, sout_stream_id_t *id,
2044 int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
2045 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2047 uint8_t *p_data = in->p_buffer;
2048 int i_data = in->i_buffer;
2051 for( i = 0; i < i_count; i++ )
2053 int i_payload = __MIN( i_max, i_data );
2054 block_t *out = block_New( p_stream, 16 + i_payload );
2056 /* rtp common header */
2057 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
2059 out->p_buffer[12] = 0;
2060 out->p_buffer[13] = 0;
2061 /* fragment offset in the current frame */
2062 out->p_buffer[14] = ( (i*i_max) >> 8 )&0xff;
2063 out->p_buffer[15] = ( (i*i_max) )&0xff;
2064 memcpy( &out->p_buffer[16], p_data, i_payload );
2066 out->i_buffer = 16 + i_payload;
2067 out->i_dts = in->i_dts + i * in->i_length / i_count;
2068 out->i_length = in->i_length / i_count;
2070 rtp_packetize_send( id, out );
2072 p_data += i_payload;
2073 i_data -= i_payload;
2080 static int rtp_packetize_mpv( sout_stream_t *p_stream, sout_stream_id_t *id,
2083 int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
2084 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2086 uint8_t *p_data = in->p_buffer;
2087 int i_data = in->i_buffer;
2089 int b_sequence_start = 0;
2090 int i_temporal_ref = 0;
2091 int i_picture_coding_type = 0;
2092 int i_fbv = 0, i_bfc = 0, i_ffv = 0, i_ffc = 0;
2093 int b_start_slice = 0;
2095 /* preparse this packet to get some info */
2096 if( in->i_buffer > 4 )
2098 uint8_t *p = p_data;
2099 int i_rest = in->i_buffer;
2103 while( i_rest > 4 &&
2104 ( p[0] != 0x00 || p[1] != 0x00 || p[2] != 0x01 ) )
2118 /* sequence start code */
2119 b_sequence_start = 1;
2121 else if( *p == 0x00 && i_rest >= 4 )
2124 i_temporal_ref = ( p[1] << 2) |((p[2]>>6)&0x03);
2125 i_picture_coding_type = (p[2] >> 3)&0x07;
2127 if( i_rest >= 4 && ( i_picture_coding_type == 2 ||
2128 i_picture_coding_type == 3 ) )
2130 i_ffv = (p[3] >> 2)&0x01;
2131 i_ffc = ((p[3]&0x03) << 1)|((p[4]>>7)&0x01);
2132 if( i_rest > 4 && i_picture_coding_type == 3 )
2134 i_fbv = (p[4]>>6)&0x01;
2135 i_bfc = (p[4]>>3)&0x07;
2139 else if( *p <= 0xaf )
2146 for( i = 0; i < i_count; i++ )
2148 int i_payload = __MIN( i_max, i_data );
2149 block_t *out = block_New( p_stream,
2151 uint32_t h = ( i_temporal_ref << 16 )|
2152 ( b_sequence_start << 13 )|
2153 ( b_start_slice << 12 )|
2154 ( i == i_count - 1 ? 1 << 11 : 0 )|
2155 ( i_picture_coding_type << 8 )|
2156 ( i_fbv << 7 )|( i_bfc << 4 )|( i_ffv << 3 )|i_ffc;
2158 /* rtp common header */
2159 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
2160 in->i_pts > 0 ? in->i_pts : in->i_dts );
2162 /* 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 */
2163 out->p_buffer[12] = ( h >> 24 )&0xff;
2164 out->p_buffer[13] = ( h >> 16 )&0xff;
2165 out->p_buffer[14] = ( h >> 8 )&0xff;
2166 out->p_buffer[15] = ( h )&0xff;
2168 memcpy( &out->p_buffer[16], p_data, i_payload );
2170 out->i_buffer = 16 + i_payload;
2171 out->i_dts = in->i_dts + i * in->i_length / i_count;
2172 out->i_length = in->i_length / i_count;
2174 rtp_packetize_send( id, out );
2176 p_data += i_payload;
2177 i_data -= i_payload;
2183 static int rtp_packetize_ac3( sout_stream_t *p_stream, sout_stream_id_t *id,
2186 int i_max = id->i_mtu - 12 - 2; /* payload max in one packet */
2187 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2189 uint8_t *p_data = in->p_buffer;
2190 int i_data = in->i_buffer;
2193 for( i = 0; i < i_count; i++ )
2195 int i_payload = __MIN( i_max, i_data );
2196 block_t *out = block_New( p_stream, 14 + i_payload );
2198 /* rtp common header */
2199 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
2201 out->p_buffer[12] = 1;
2203 out->p_buffer[13] = 0x00;
2205 memcpy( &out->p_buffer[14], p_data, i_payload );
2207 out->i_buffer = 14 + i_payload;
2208 out->i_dts = in->i_dts + i * in->i_length / i_count;
2209 out->i_length = in->i_length / i_count;
2211 rtp_packetize_send( id, out );
2213 p_data += i_payload;
2214 i_data -= i_payload;
2220 static int rtp_packetize_split( sout_stream_t *p_stream, sout_stream_id_t *id,
2223 int i_max = id->i_mtu - 12; /* payload max in one packet */
2224 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2226 uint8_t *p_data = in->p_buffer;
2227 int i_data = in->i_buffer;
2230 for( i = 0; i < i_count; i++ )
2232 int i_payload = __MIN( i_max, i_data );
2233 block_t *out = block_New( p_stream, 12 + i_payload );
2235 /* rtp common header */
2236 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2237 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2238 memcpy( &out->p_buffer[12], p_data, i_payload );
2240 out->i_buffer = 12 + i_payload;
2241 out->i_dts = in->i_dts + i * in->i_length / i_count;
2242 out->i_length = in->i_length / i_count;
2244 rtp_packetize_send( id, out );
2246 p_data += i_payload;
2247 i_data -= i_payload;
2254 static int rtp_packetize_mp4a_latm( sout_stream_t *p_stream, sout_stream_id_t *id,
2257 int i_max = id->i_mtu - 14; /* payload max in one packet */
2258 int latmhdrsize = in->i_buffer / 0xff + 1;
2259 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2261 uint8_t *p_data = in->p_buffer, *p_header = NULL;
2262 int i_data = in->i_buffer;
2265 for( i = 0; i < i_count; i++ )
2267 int i_payload = __MIN( i_max, i_data );
2272 out = block_New( p_stream, 12 + latmhdrsize + i_payload );
2274 /* rtp common header */
2275 rtp_packetize_common( id, out, ((i == i_count - 1) ? 1 : 0),
2276 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2280 int tmp = in->i_buffer;
2282 p_header=out->p_buffer+12;
2292 memcpy( &out->p_buffer[12+latmhdrsize], p_data, i_payload );
2294 out->i_buffer = 12 + latmhdrsize + i_payload;
2295 out->i_dts = in->i_dts + i * in->i_length / i_count;
2296 out->i_length = in->i_length / i_count;
2298 rtp_packetize_send( id, out );
2300 p_data += i_payload;
2301 i_data -= i_payload;
2307 static int rtp_packetize_l16( sout_stream_t *p_stream, sout_stream_id_t *id,
2310 int i_max = id->i_mtu - 12; /* payload max in one packet */
2311 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2313 uint8_t *p_data = in->p_buffer;
2314 int i_data = in->i_buffer;
2319 int i_payload = (__MIN( i_max, i_data )/4)*4;
2320 block_t *out = block_New( p_stream, 12 + i_payload );
2322 /* rtp common header */
2323 rtp_packetize_common( id, out, 0,
2324 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2325 memcpy( &out->p_buffer[12], p_data, i_payload );
2327 out->i_buffer = 12 + i_payload;
2328 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
2329 out->i_length = in->i_length / i_count;
2331 rtp_packetize_send( id, out );
2333 p_data += i_payload;
2334 i_data -= i_payload;
2341 static int rtp_packetize_l8( sout_stream_t *p_stream, sout_stream_id_t *id,
2344 int i_max = id->i_mtu - 12; /* payload max in one packet */
2345 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2347 uint8_t *p_data = in->p_buffer;
2348 int i_data = in->i_buffer;
2353 int i_payload = (__MIN( i_max, i_data )/2)*2;
2354 block_t *out = block_New( p_stream, 12 + i_payload );
2356 /* rtp common header */
2357 rtp_packetize_common( id, out, 0,
2358 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2359 memcpy( &out->p_buffer[12], p_data, i_payload );
2361 out->i_buffer = 12 + i_payload;
2362 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
2363 out->i_length = in->i_length / i_count;
2365 rtp_packetize_send( id, out );
2367 p_data += i_payload;
2368 i_data -= i_payload;
2374 static int rtp_packetize_mp4a( sout_stream_t *p_stream, sout_stream_id_t *id,
2377 int i_max = id->i_mtu - 16; /* payload max in one packet */
2378 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2380 uint8_t *p_data = in->p_buffer;
2381 int i_data = in->i_buffer;
2384 for( i = 0; i < i_count; i++ )
2386 int i_payload = __MIN( i_max, i_data );
2387 block_t *out = block_New( p_stream, 16 + i_payload );
2389 /* rtp common header */
2390 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2391 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2393 /* AU headers length (bits) */
2394 out->p_buffer[12] = 0;
2395 out->p_buffer[13] = 2*8;
2396 /* for each AU length 13 bits + idx 3bits, */
2397 out->p_buffer[14] = ( in->i_buffer >> 5 )&0xff;
2398 out->p_buffer[15] = ( (in->i_buffer&0xff)<<3 )|0;
2400 memcpy( &out->p_buffer[16], p_data, i_payload );
2402 out->i_buffer = 16 + i_payload;
2403 out->i_dts = in->i_dts + i * in->i_length / i_count;
2404 out->i_length = in->i_length / i_count;
2406 rtp_packetize_send( id, out );
2408 p_data += i_payload;
2409 i_data -= i_payload;
2417 #define RTP_H263_HEADER_SIZE (2) // plen = 0
2418 #define RTP_H263_PAYLOAD_START (14) // plen = 0
2419 static int rtp_packetize_h263( sout_stream_t *p_stream, sout_stream_id_t *id,
2422 uint8_t *p_data = in->p_buffer;
2423 int i_data = in->i_buffer;
2425 int i_max = id->i_mtu - 12 - RTP_H263_HEADER_SIZE; /* payload max in one packet */
2428 int b_v_bit = 0; // no pesky error resilience
2429 int i_plen = 0; // normally plen=0 for PSC packet
2430 int i_pebit = 0; // because plen=0
2435 return VLC_EGENERIC;
2437 if( p_data[0] || p_data[1] )
2439 return VLC_EGENERIC;
2441 /* remove 2 leading 0 bytes */
2444 i_count = ( i_data + i_max - 1 ) / i_max;
2446 for( i = 0; i < i_count; i++ )
2448 int i_payload = __MIN( i_max, i_data );
2449 block_t *out = block_New( p_stream,
2450 RTP_H263_PAYLOAD_START + i_payload );
2451 b_p_bit = (i == 0) ? 1 : 0;
2452 h = ( b_p_bit << 10 )|
2457 /* rtp common header */
2458 //b_m_bit = 1; // always contains end of frame
2459 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
2460 in->i_pts > 0 ? in->i_pts : in->i_dts );
2463 out->p_buffer[12] = ( h >> 8 )&0xff;
2464 out->p_buffer[13] = ( h )&0xff;
2465 memcpy( &out->p_buffer[RTP_H263_PAYLOAD_START], p_data, i_payload );
2467 out->i_buffer = RTP_H263_PAYLOAD_START + i_payload;
2468 out->i_dts = in->i_dts + i * in->i_length / i_count;
2469 out->i_length = in->i_length / i_count;
2471 rtp_packetize_send( id, out );
2473 p_data += i_payload;
2474 i_data -= i_payload;
2481 static int rtp_packetize_h264( sout_stream_t *p_stream, sout_stream_id_t *id,
2484 int i_max = id->i_mtu - 12; /* payload max in one packet */
2485 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2486 uint8_t *p_data = in->p_buffer;
2487 int i_data = in->i_buffer;
2492 while( i_data > 5 &&
2493 ( p_data[0] != 0x00 || p_data[1] != 0x00 || p_data[2] != 0x01 || /* startcode */
2494 (p_data[3]&0x1f) < 1 || (p_data[3]&0x1f) > 23 ) ) /* naltype should be between 1 and 23 */
2505 i_nal_type = p_data[0]&0x1f;
2507 if( i_data <= i_max ) /* The whole pack will fit in one rtp payload */
2510 i_payload = __MIN( i_max, i_data );
2511 out = block_New( p_stream, 12 + i_payload );
2513 /* rtp common header */
2514 rtp_packetize_common( id, out, 1,
2515 in->i_pts > 0 ? in->i_pts : in->i_dts );
2517 memcpy( &out->p_buffer[12], p_data, i_payload );
2519 out->i_buffer = 12 + i_payload;
2520 out->i_dts = in->i_dts;
2521 out->i_length = in->i_length;
2523 rtp_packetize_send( id, out );
2525 /*msg_Dbg( p_stream, "nal-out plain %d %02x", i_payload, out->p_buffer[16] );*/
2530 uint8_t nalh; /* The nalheader byte */
2531 int i=0, start=1, end=0, first=0;
2537 i_max = id->i_mtu - 14;
2538 i_count = ( i_data + i_max - 1 ) / i_max;
2540 /*msg_Dbg( p_stream, "nal-out fragmented %02x %d", nalh, i_rest);*/
2544 i_payload = __MIN( i_max, i_data );
2545 out = block_New( p_stream, 14 + i_payload );
2547 if( i_data == i_payload )
2550 /* rtp common header */
2551 rtp_packetize_common( id, out, (end)?1:0,
2552 in->i_pts > 0 ? in->i_pts : in->i_dts );
2555 out->p_buffer[12] = (nalh&0x60)|28;
2557 out->p_buffer[13] = (start<<7)|(end<<6)|(nalh&0x1f);
2559 memcpy( &out->p_buffer[14], p_data+first, i_payload );
2561 out->i_buffer = 14 + i_payload;
2563 // not sure what of these should be used and what it does :)
2564 out->i_pts = in->i_pts;
2565 out->i_dts = in->i_dts;
2566 //out->i_dts = in->i_dts + i * in->i_length / i_count;
2567 //out->i_length = in->i_length / i_count;
2569 rtp_packetize_send( id, out );
2571 /*msg_Dbg( p_stream, "nal-out fragmented: frag %d %d %02x %02x %d", start,end,
2572 out->p_buffer[12], out->p_buffer[13], i_payload );*/
2574 i_data -= i_payload;
2583 static int rtp_packetize_amr( sout_stream_t *p_stream, sout_stream_id_t *id,
2586 int i_max = id->i_mtu - 14; /* payload max in one packet */
2587 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2589 uint8_t *p_data = in->p_buffer;
2590 int i_data = in->i_buffer;
2593 /* Only supports octet-aligned mode */
2594 for( i = 0; i < i_count; i++ )
2596 int i_payload = __MIN( i_max, i_data );
2597 block_t *out = block_New( p_stream, 14 + i_payload );
2599 /* rtp common header */
2600 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2601 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2602 /* Payload header */
2603 out->p_buffer[12] = 0xF0; /* CMR */
2604 out->p_buffer[13] = p_data[0]&0x7C; /* ToC */ /* FIXME: frame type */
2606 /* FIXME: are we fed multiple frames ? */
2607 memcpy( &out->p_buffer[14], p_data+1, i_payload-1 );
2609 out->i_buffer = 14 + i_payload-1;
2610 out->i_dts = in->i_dts + i * in->i_length / i_count;
2611 out->i_length = in->i_length / i_count;
2613 rtp_packetize_send( id, out );
2615 p_data += i_payload;
2616 i_data -= i_payload;