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 *****************************************************************************/
36 #include <vlc_block.h>
38 #include <vlc_httpd.h>
40 #include <vlc_network.h>
41 #include <vlc_charset.h>
42 #include <vlc_strings.h>
44 /*****************************************************************************
46 *****************************************************************************/
50 #define DST_TEXT N_("Destination")
51 #define DST_LONGTEXT N_( \
52 "This is the output URL that will be used." )
53 #define SDP_TEXT N_("SDP")
54 #define SDP_LONGTEXT N_( \
55 "This allows you to specify how the SDP (Session Descriptor) for this RTP "\
56 "session will be made available. You must use an url: http://location to " \
57 "access the SDP via HTTP, rtsp://location for RTSP access, and sap:// " \
58 "for the SDP to be announced via SAP." )
59 #define MUX_TEXT N_("Muxer")
60 #define MUX_LONGTEXT N_( \
61 "This allows you to specify the muxer used for the streaming output. " \
62 "Default is to use no muxer (standard RTP stream)." )
64 #define NAME_TEXT N_("Session name")
65 #define NAME_LONGTEXT N_( \
66 "This is the name of the session that will be announced in the SDP " \
67 "(Session Descriptor)." )
68 #define DESC_TEXT N_("Session description")
69 #define DESC_LONGTEXT N_( \
70 "This allows you to give a broader description of the stream, that will " \
71 "be announced in the SDP (Session Descriptor)." )
72 #define URL_TEXT N_("Session URL")
73 #define URL_LONGTEXT N_( \
74 "This allows you to give an URL with more details about the stream " \
75 "(often the website of the streaming organization), that will " \
76 "be announced in the SDP (Session Descriptor)." )
77 #define EMAIL_TEXT N_("Session email")
78 #define EMAIL_LONGTEXT N_( \
79 "This allows you to give a contact mail address for the stream, that will " \
80 "be announced in the SDP (Session Descriptor)." )
81 #define PORT_TEXT N_("Port")
82 #define PORT_LONGTEXT N_( \
83 "This allows you to specify the base port for the RTP streaming." )
84 #define PORT_AUDIO_TEXT N_("Audio port")
85 #define PORT_AUDIO_LONGTEXT N_( \
86 "This allows you to specify the default audio port for the RTP streaming." )
87 #define PORT_VIDEO_TEXT N_("Video port")
88 #define PORT_VIDEO_LONGTEXT N_( \
89 "This allows you to specify the default video port for the RTP streaming." )
91 #define TTL_TEXT N_("Hop limit (TTL)")
92 #define TTL_LONGTEXT N_( \
93 "This is the hop limit (also known as \"Time-To-Live\" or TTL) of " \
94 "the multicast packets sent by the stream output (0 = use operating " \
95 "system built-in default).")
97 #define RFC3016_TEXT N_("MP4A LATM")
98 #define RFC3016_LONGTEXT N_( \
99 "This allows you to stream MPEG4 LATM audio streams (see RFC3016)." )
101 static int Open ( vlc_object_t * );
102 static void Close( vlc_object_t * );
104 #define SOUT_CFG_PREFIX "sout-rtp-"
107 set_shortname( _("RTP"));
108 set_description( _("RTP stream output") );
109 set_capability( "sout stream", 0 );
110 add_shortcut( "rtp" );
111 set_category( CAT_SOUT );
112 set_subcategory( SUBCAT_SOUT_STREAM );
114 add_string( SOUT_CFG_PREFIX "dst", "", NULL, DST_TEXT,
115 DST_LONGTEXT, VLC_TRUE );
116 add_string( SOUT_CFG_PREFIX "sdp", "", NULL, SDP_TEXT,
117 SDP_LONGTEXT, VLC_TRUE );
118 add_string( SOUT_CFG_PREFIX "mux", "", NULL, MUX_TEXT,
119 MUX_LONGTEXT, VLC_TRUE );
121 add_string( SOUT_CFG_PREFIX "name", "NONE", NULL, NAME_TEXT,
122 NAME_LONGTEXT, VLC_TRUE );
123 add_string( SOUT_CFG_PREFIX "description", "", NULL, DESC_TEXT,
124 DESC_LONGTEXT, VLC_TRUE );
125 add_string( SOUT_CFG_PREFIX "url", "", NULL, URL_TEXT,
126 URL_LONGTEXT, VLC_TRUE );
127 add_string( SOUT_CFG_PREFIX "email", "", NULL, EMAIL_TEXT,
128 EMAIL_LONGTEXT, VLC_TRUE );
130 add_integer( SOUT_CFG_PREFIX "port", 1234, NULL, PORT_TEXT,
131 PORT_LONGTEXT, VLC_TRUE );
132 add_integer( SOUT_CFG_PREFIX "port-audio", 1230, NULL, PORT_AUDIO_TEXT,
133 PORT_AUDIO_LONGTEXT, VLC_TRUE );
134 add_integer( SOUT_CFG_PREFIX "port-video", 1232, NULL, PORT_VIDEO_TEXT,
135 PORT_VIDEO_LONGTEXT, VLC_TRUE );
137 add_integer( SOUT_CFG_PREFIX "ttl", 0, NULL, TTL_TEXT,
138 TTL_LONGTEXT, VLC_TRUE );
140 add_bool( SOUT_CFG_PREFIX "mp4a-latm", 0, NULL, RFC3016_TEXT,
141 RFC3016_LONGTEXT, VLC_FALSE );
143 set_callbacks( Open, Close );
146 /*****************************************************************************
147 * Exported prototypes
148 *****************************************************************************/
149 static const char *ppsz_sout_options[] = {
150 "dst", "name", "port", "port-audio", "port-video", "*sdp", "ttl", "mux",
151 "description", "url","email", "mp4a-latm", NULL
154 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
155 static int Del ( sout_stream_t *, sout_stream_id_t * );
156 static int Send( sout_stream_t *, sout_stream_id_t *,
159 /* For unicast/interleaved streaming */
163 int64_t i_last; /* for timeout */
165 /* is it in "play" state */
166 vlc_bool_t b_playing;
168 /* output (id-access) */
170 sout_stream_id_t **id;
172 sout_access_out_t **access;
175 struct sout_stream_sys_t
181 vlc_mutex_t lock_sdp;
183 char *psz_session_name;
184 char *psz_session_description;
185 char *psz_session_url;
186 char *psz_session_email;
189 vlc_bool_t b_export_sdp_file;
192 vlc_bool_t b_export_sap;
193 session_descriptor_t *p_session;
195 httpd_host_t *p_httpd_host;
196 httpd_file_t *p_httpd_file;
198 httpd_host_t *p_rtsp_host;
199 httpd_url_t *p_rtsp_url;
200 char *psz_rtsp_control;
204 char *psz_destination;
211 /* when need to use a private one or when using muxer */
214 /* in case we do TS/PS over rtp */
216 sout_access_out_t *p_access;
218 sout_access_out_t *p_grab;
220 uint32_t i_timestamp_start;
227 sout_stream_id_t **es;
231 rtsp_client_t **rtsp;
234 typedef int (*pf_rtp_packetizer_t)( sout_stream_t *, sout_stream_id_t *,
237 struct sout_stream_id_t
239 sout_stream_t *p_stream;
241 uint8_t i_payload_type;
243 uint32_t i_timestamp_start;
250 char *psz_destination;
255 /* Packetizer specific fields */
256 pf_rtp_packetizer_t pf_packetize;
259 /* for sending the packets */
260 sout_access_out_t *p_access;
262 vlc_mutex_t lock_rtsp;
264 sout_access_out_t **rtsp_access;
267 sout_input_t *p_input;
269 /* RTSP url control */
270 httpd_url_t *p_rtsp_url;
273 static int AccessOutGrabberWrite( sout_access_out_t *, block_t * );
275 static void SDPHandleUrl( sout_stream_t *, char * );
277 static int SapSetup( sout_stream_t *p_stream );
278 static int FileSetup( sout_stream_t *p_stream );
279 static int HttpSetup( sout_stream_t *p_stream, vlc_url_t * );
280 static int RtspSetup( sout_stream_t *p_stream, vlc_url_t * );
282 static int RtspCallback( httpd_callback_sys_t *, httpd_client_t *,
283 httpd_message_t *, httpd_message_t * );
284 static int RtspCallbackId( httpd_callback_sys_t *, httpd_client_t *,
285 httpd_message_t *, httpd_message_t * );
288 static rtsp_client_t *RtspClientNew( sout_stream_t *, const char *psz_session );
289 static rtsp_client_t *RtspClientGet( sout_stream_t *, const char *psz_session );
290 static void RtspClientDel( sout_stream_t *, rtsp_client_t * );
292 /*****************************************************************************
294 *****************************************************************************/
295 static int Open( vlc_object_t *p_this )
297 sout_stream_t *p_stream = (sout_stream_t*)p_this;
298 sout_instance_t *p_sout = p_stream->p_sout;
299 sout_stream_sys_t *p_sys = NULL;
300 config_chain_t *p_cfg = NULL;
302 vlc_bool_t b_rtsp = VLC_FALSE;
304 config_ChainParse( p_stream, SOUT_CFG_PREFIX,
305 ppsz_sout_options, p_stream->p_cfg );
307 p_sys = malloc( sizeof( sout_stream_sys_t ) );
311 p_sys->psz_destination = var_GetNonEmptyString( p_stream, SOUT_CFG_PREFIX "dst" );
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 p_sys->i_ttl = var_GetInteger( p_stream, SOUT_CFG_PREFIX "ttl" );
376 if( p_sys->i_ttl == 0 )
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 p_sys->i_ttl = config_GetInt( p_stream, "ttl" );
384 if( p_sys->i_ttl > 255 )
386 /* must not exceed 999 once formatted */
388 p_sys->b_latm = var_GetBool( p_stream, SOUT_CFG_PREFIX "mp4a-latm" );
390 p_sys->i_payload_type = 96;
395 p_sys->psz_sdp = NULL;
397 p_sys->i_sdp_id = mdate();
398 p_sys->i_sdp_version = 1;
399 p_sys->psz_sdp = NULL;
401 p_sys->b_export_sap = VLC_FALSE;
402 p_sys->b_export_sdp_file = VLC_FALSE;
403 p_sys->p_session = NULL;
405 p_sys->p_httpd_host = NULL;
406 p_sys->p_httpd_file = NULL;
407 p_sys->p_rtsp_host = NULL;
408 p_sys->p_rtsp_url = NULL;
409 p_sys->psz_rtsp_control = NULL;
410 p_sys->psz_rtsp_path = NULL;
412 vlc_mutex_init( p_stream, &p_sys->lock_sdp );
413 vlc_mutex_init( p_stream, &p_sys->lock_es );
415 p_stream->pf_add = Add;
416 p_stream->pf_del = Del;
417 p_stream->pf_send = Send;
419 p_stream->p_sys = p_sys;
421 var_Get( p_stream, SOUT_CFG_PREFIX "mux", &val );
422 if( *val.psz_string )
424 sout_access_out_t *p_grab;
425 const char *psz_rtpmap;
426 char url[NI_MAXHOST + 8], access[22], psz_ttl[5], ipv;
430 msg_Err( p_stream, "muxing is not supported in RTSP mode" );
434 else if( !p_sys->psz_destination || *p_sys->psz_destination == '\0' )
436 msg_Err( p_stream, "RTP needs a destination when muxing" );
441 /* Check muxer type */
442 if( !strncasecmp( val.psz_string, "ps", 2 )
443 || !strncasecmp( val.psz_string, "mpeg1", 5 ) )
445 psz_rtpmap = "MP2P/90000";
447 else if( !strncasecmp( val.psz_string, "ts", 2 ) )
449 psz_rtpmap = "MP2T/90000";
450 p_sys->i_payload_type = 33;
454 msg_Err( p_stream, "unsupported muxer type with rtp (only ts/ps)" );
459 /* create the access out */
460 if( p_sys->i_ttl > 0 )
462 sprintf( access, "udp{raw,rtcp,ttl=%d}", p_sys->i_ttl );
466 strcat( access, "udp{raw,rtcp}" );
469 /* FIXME: we should check that url is a numerical address, otherwise
470 * the SDP will be quite broken (regardless of the IP protocol version)
471 * Also it might be IPv6 with no ':' if it is a DNS name.
473 ipv = ( strchr( p_sys->psz_destination, ':' ) != NULL ) ? '6' : '4';
475 /* IPv6 needs brackets if not already present */
476 if ((ipv == '6') && (p_sys->psz_destination[0] != '['))
477 snprintf (url, sizeof (url), "[%s]:%d",p_sys->psz_destination,
480 snprintf (url, sizeof (url), "%s:%d",p_sys->psz_destination,
483 if( !( p_sys->p_access = sout_AccessOutNew( p_sout, access, url ) ) )
485 msg_Err( p_stream, "cannot create the access out for %s://%s",
490 p_sys->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beurk */
491 if( p_sys->i_mtu <= 16 + MTU_REDUCE )
493 /* better than nothing */
496 p_sys->i_mtu -= MTU_REDUCE;
498 /* the access out grabber TODO export it as sout_AccessOutGrabberNew */
499 p_grab = p_sys->p_grab =
500 vlc_object_create( p_sout, sizeof( sout_access_out_t ) );
501 p_grab->p_module = NULL;
502 p_grab->p_sout = p_sout;
503 p_grab->psz_access = strdup( "grab" );
504 p_grab->p_cfg = NULL;
505 p_grab->psz_path = strdup( "" );
506 p_grab->p_sys = (sout_access_out_sys_t*)p_stream;
507 p_grab->pf_seek = NULL;
508 p_grab->pf_write = AccessOutGrabberWrite;
511 if( !( p_sys->p_mux = sout_MuxNew( p_sout, val.psz_string, p_sys->p_grab ) ) )
513 msg_Err( p_stream, "cannot create the muxer (%s)", val.psz_string );
514 sout_AccessOutDelete( p_sys->p_grab );
515 sout_AccessOutDelete( p_sys->p_access );
520 /* create the SDP for a muxed stream (only once) */
521 /* FIXME http://www.faqs.org/rfcs/rfc4566.html
522 o= - should be local username (no spaces allowed)
523 o= time should be hashed with some other value to garantee uniqueness
524 o= don't use the localhost address. use fully qualified domain name or IP4 address
525 a= source-filter: we need our source address
526 a= x-plgroup: (missing)
527 RTP packets need to get the correct src IP address */
529 && net_AddressIsMulticast( VLC_OBJECT(p_stream), p_sys->psz_destination ) )
531 snprintf( psz_ttl, sizeof( psz_ttl ), "/%d", p_sys->i_ttl );
532 psz_ttl[sizeof( psz_ttl ) - 1] = '\0';
539 asprintf( &p_sys->psz_sdp,
541 /* FIXME: source address not known :( */
542 "o=- "I64Fd" %d IN IP%c %s\r\n"
548 "t=0 0\r\n" /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
549 "a=tool:"PACKAGE_STRING"\r\n"
551 "a=type:broadcast\r\n"
552 "m=video %d RTP/AVP %d\r\n"
553 "a=rtpmap:%d %s\r\n",
554 p_sys->i_sdp_id, p_sys->i_sdp_version,
555 ipv, ipv == '6' ? "::1" : "127.0.0.1" /* FIXME */,
556 p_sys->psz_session_name,
557 p_sys->psz_session_description,
558 p_sys->psz_session_url,
559 p_sys->psz_session_email,
560 ipv, p_sys->psz_destination, psz_ttl,
561 p_sys->i_port, p_sys->i_payload_type,
562 p_sys->i_payload_type, psz_rtpmap );
563 msg_Dbg( p_stream, "sdp=%s", p_sys->psz_sdp );
565 /* create the rtp context */
566 p_sys->ssrc[0] = rand()&0xff;
567 p_sys->ssrc[1] = rand()&0xff;
568 p_sys->ssrc[2] = rand()&0xff;
569 p_sys->ssrc[3] = rand()&0xff;
570 p_sys->i_sequence = rand()&0xffff;
571 p_sys->i_timestamp_start = rand()&0xffffffff;
572 p_sys->packet = NULL;
577 p_sys->p_access = NULL;
578 p_sys->p_grab = NULL;
580 free( val.psz_string );
583 var_Get( p_stream, SOUT_CFG_PREFIX "sdp", &val );
584 if( *val.psz_string )
586 config_chain_t *p_cfg;
588 SDPHandleUrl( p_stream, val.psz_string );
590 for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
592 if( !strcmp( p_cfg->psz_name, "sdp" ) )
594 if( p_cfg->psz_value == NULL || *p_cfg->psz_value == '\0' )
597 /* needed both :sout-rtp-sdp= and rtp{sdp=} can be used */
598 if( !strcmp( p_cfg->psz_value, val.psz_string ) )
601 SDPHandleUrl( p_stream, p_cfg->psz_value );
605 free( val.psz_string );
607 /* update p_sout->i_out_pace_nocontrol */
608 p_stream->p_sout->i_out_pace_nocontrol++;
613 /*****************************************************************************
615 *****************************************************************************/
616 static void Close( vlc_object_t * p_this )
618 sout_stream_t *p_stream = (sout_stream_t*)p_this;
619 sout_stream_sys_t *p_sys = p_stream->p_sys;
621 /* update p_sout->i_out_pace_nocontrol */
622 p_stream->p_sout->i_out_pace_nocontrol--;
626 sout_MuxDelete( p_sys->p_mux );
627 sout_AccessOutDelete( p_sys->p_access );
628 sout_AccessOutDelete( p_sys->p_grab );
631 block_Release( p_sys->packet );
633 if( p_sys->b_export_sap )
636 SapSetup( p_stream );
640 while( p_sys->i_rtsp > 0 )
641 RtspClientDel( p_stream, p_sys->rtsp[0] );
643 vlc_mutex_destroy( &p_sys->lock_sdp );
645 if( p_sys->p_httpd_file )
646 httpd_FileDelete( p_sys->p_httpd_file );
648 if( p_sys->p_httpd_host )
649 httpd_HostDelete( p_sys->p_httpd_host );
651 if( p_sys->p_rtsp_url )
652 httpd_UrlDelete( p_sys->p_rtsp_url );
654 if( p_sys->p_rtsp_host )
655 httpd_HostDelete( p_sys->p_rtsp_host );
657 if( p_sys->psz_session_name )
658 free( p_sys->psz_session_name );
660 if( p_sys->psz_session_description )
661 free( p_sys->psz_session_description );
663 if( p_sys->psz_session_url )
664 free( p_sys->psz_session_url );
666 if( p_sys->psz_session_email )
667 free( p_sys->psz_session_email );
670 free( p_sys->psz_sdp );
672 if( p_sys->b_export_sdp_file )
675 unlink( p_sys->psz_sdp_file );
677 free( p_sys->psz_sdp_file );
679 if( p_sys->psz_destination )
680 free( p_sys->psz_destination );
684 /*****************************************************************************
686 *****************************************************************************/
687 static void SDPHandleUrl( sout_stream_t *p_stream, char *psz_url )
689 sout_stream_sys_t *p_sys = p_stream->p_sys;
692 vlc_UrlParse( &url, psz_url, 0 );
693 if( url.psz_protocol && !strcasecmp( url.psz_protocol, "http" ) )
695 if( p_sys->p_httpd_file )
697 msg_Err( p_stream, "you can use sdp=http:// only once" );
701 if( HttpSetup( p_stream, &url ) )
703 msg_Err( p_stream, "cannot export sdp as http" );
706 else if( url.psz_protocol && !strcasecmp( url.psz_protocol, "rtsp" ) )
708 if( p_sys->p_rtsp_url )
710 msg_Err( p_stream, "you can use sdp=rtsp:// only once" );
714 /* FIXME test if destination is multicast or no destination at all FIXME */
715 if( RtspSetup( p_stream, &url ) )
717 msg_Err( p_stream, "cannot export sdp as rtsp" );
720 else if( ( url.psz_protocol && !strcasecmp( url.psz_protocol, "sap" ) ) ||
721 ( url.psz_host && !strcasecmp( url.psz_host, "sap" ) ) )
723 p_sys->b_export_sap = VLC_TRUE;
724 SapSetup( p_stream );
726 else if( url.psz_protocol && !strcasecmp( url.psz_protocol, "file" ) )
728 if( p_sys->b_export_sdp_file )
730 msg_Err( p_stream, "you can use sdp=file:// only once" );
733 p_sys->b_export_sdp_file = VLC_TRUE;
734 psz_url = &psz_url[5];
735 if( psz_url[0] == '/' && psz_url[1] == '/' )
737 p_sys->psz_sdp_file = strdup( psz_url );
741 msg_Warn( p_stream, "unknown protocol for SDP (%s)",
744 vlc_UrlClean( &url );
747 /*****************************************************************************
749 *****************************************************************************/
750 /* FIXME http://www.faqs.org/rfcs/rfc2327.html
751 All text fields should be UTF-8 encoded. Use global a:charset to announce this.
752 o= - should be local username (no spaces allowed)
753 o= time should be hashed with some other value to garantue uniqueness
754 o= we need IP6 support?
755 o= don't use the localhost address. use fully qualified domain name or IP4 address
756 p= international phone number (pass via vars?)
758 a= recvonly (missing)
759 a= type:broadcast (missing)
760 a= charset: (normally charset should be UTF-8, this can be used to override s= and i=)
761 a= x-plgroup: (missing)
762 RTP packets need to get the correct src IP address */
763 static char *SDPGenerate( const sout_stream_t *p_stream,
764 const char *psz_destination, vlc_bool_t b_rtsp )
766 sout_stream_sys_t *p_sys = p_stream->p_sys;
768 char *psz_sdp, *p, ipv;
771 /* FIXME: breaks IP version check on unknown destination */
772 if( psz_destination == NULL )
773 psz_destination = "0.0.0.0";
775 i_size = sizeof( "v=0\r\n" ) +
776 sizeof( "o=- * * IN IP4 127.0.0.1\r\n" ) + 10 + 10 +
777 sizeof( "s=*\r\n" ) + strlen( p_sys->psz_session_name ) +
778 sizeof( "i=*\r\n" ) + strlen( p_sys->psz_session_description ) +
779 sizeof( "u=*\r\n" ) + strlen( p_sys->psz_session_url ) +
780 sizeof( "e=*\r\n" ) + strlen( p_sys->psz_session_email ) +
781 sizeof( "t=0 0\r\n" ) + /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
782 sizeof( "b=RR:0\r\n" ) +
783 sizeof( "a=tool:"PACKAGE_STRING"\r\n" ) +
784 sizeof( "c=IN IP4 */*\r\n" ) + 20 + 10 +
785 strlen( psz_destination ) ;
786 for( i = 0; i < p_sys->i_es; i++ )
788 sout_stream_id_t *id = p_sys->es[i];
790 i_size += strlen( "m=**d*o * RTP/AVP *\r\n" ) + 10 + 10;
793 i_size += strlen( "b=AS: *\r\n") + 10;
797 i_size += strlen( "a=rtpmap:* *\r\n" ) + strlen( id->psz_rtpmap )+10;
801 i_size += strlen( "a=fmtp:* *\r\n" ) + strlen( id->psz_fmtp ) + 10;
805 i_size += strlen( "a=control:*/trackID=*\r\n" ) + strlen( p_sys->psz_rtsp_control ) + 10;
810 i_size += strlen( "m=video %d RTP/AVP %d\r\n" ) +10 +10;
813 ipv = ( strchr( psz_destination, ':' ) != NULL ) ? '6' : '4';
815 p = psz_sdp = malloc( i_size );
816 p += sprintf( p, "v=0\r\n" );
817 p += sprintf( p, "o=- "I64Fd" %d IN IP%c %s\r\n",
818 p_sys->i_sdp_id, p_sys->i_sdp_version,
819 ipv, ipv == '6' ? "::1" : "127.0.0.1" );
820 if( *p_sys->psz_session_name )
821 p += sprintf( p, "s=%s\r\n", p_sys->psz_session_name );
822 if( *p_sys->psz_session_description )
823 p += sprintf( p, "i=%s\r\n", p_sys->psz_session_description );
824 if( *p_sys->psz_session_url )
825 p += sprintf( p, "u=%s\r\n", p_sys->psz_session_url );
826 if( *p_sys->psz_session_email )
827 p += sprintf( p, "e=%s\r\n", p_sys->psz_session_email );
829 p += sprintf( p, "t=0 0\r\n" ); /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
830 p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" );
832 p += sprintf( p, "c=IN IP%c %s", ipv, psz_destination );
835 && net_AddressIsMulticast( (vlc_object_t *)p_stream, psz_destination ) )
837 /* Add the deprecated TTL field if it is an IPv4 multicast address */
838 p += sprintf( p, "/%d", p_sys->i_ttl ?: 1 );
840 p += sprintf( p, "\r\n" );
841 p += sprintf( p, "b=RR:0\r\n" );
843 for( i = 0; i < p_sys->i_es; i++ )
845 sout_stream_id_t *id = p_sys->es[i];
847 if( id->i_cat == AUDIO_ES )
849 p += sprintf( p, "m=audio %d RTP/AVP %d\r\n",
850 id->i_port, id->i_payload_type );
852 else if( id->i_cat == VIDEO_ES )
854 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
855 id->i_port, id->i_payload_type );
863 p += sprintf(p,"b=AS:%d\r\n",id->i_bitrate);
867 p += sprintf( p, "a=rtpmap:%d %s\r\n", id->i_payload_type,
872 p += sprintf( p, "a=fmtp:%d %s\r\n", id->i_payload_type,
877 p += sprintf( p, "a=control:/trackID=%d\r\n", i );
882 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
883 p_sys->i_port, p_sys->i_payload_type );
889 /*****************************************************************************
891 *****************************************************************************/
892 static int rtp_packetize_l16 ( sout_stream_t *, sout_stream_id_t *, block_t * );
893 static int rtp_packetize_l8 ( sout_stream_t *, sout_stream_id_t *, block_t * );
894 static int rtp_packetize_mpa ( sout_stream_t *, sout_stream_id_t *, block_t * );
895 static int rtp_packetize_mpv ( sout_stream_t *, sout_stream_id_t *, block_t * );
896 static int rtp_packetize_ac3 ( sout_stream_t *, sout_stream_id_t *, block_t * );
897 static int rtp_packetize_split( sout_stream_t *, sout_stream_id_t *, block_t * );
898 static int rtp_packetize_mp4a ( sout_stream_t *, sout_stream_id_t *, block_t * );
899 static int rtp_packetize_mp4a_latm ( sout_stream_t *, sout_stream_id_t *, block_t * );
900 static int rtp_packetize_h263 ( sout_stream_t *, sout_stream_id_t *, block_t * );
901 static int rtp_packetize_h264 ( sout_stream_t *, sout_stream_id_t *, block_t * );
902 static int rtp_packetize_amr ( sout_stream_t *, sout_stream_id_t *, block_t * );
904 static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
906 static const char hex[16] = "0123456789abcdef";
909 for( i = 0; i < i_data; i++ )
911 s[2*i+0] = hex[(p_data[i]>>4)&0xf];
912 s[2*i+1] = hex[(p_data[i] )&0xf];
917 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
919 sout_instance_t *p_sout = p_stream->p_sout;
920 sout_stream_sys_t *p_sys = p_stream->p_sys;
921 sout_stream_id_t *id;
922 sout_access_out_t *p_access = NULL;
926 if( p_sys->p_mux != NULL )
928 sout_input_t *p_input = NULL;
929 if( ( p_input = sout_MuxAddStream( p_sys->p_mux, p_fmt ) ) == NULL )
931 msg_Err( p_stream, "cannot add this stream to the muxer" );
935 id = malloc( sizeof( sout_stream_id_t ) );
936 memset( id, 0, sizeof( sout_stream_id_t ) );
938 id->p_input = p_input;
939 id->pf_packetize= NULL;
940 id->p_rtsp_url = NULL;
946 /* Choose the port */
948 if( p_fmt->i_cat == AUDIO_ES && p_sys->i_port_audio > 0 )
950 i_port = p_sys->i_port_audio;
951 p_sys->i_port_audio = 0;
953 else if( p_fmt->i_cat == VIDEO_ES && p_sys->i_port_video > 0 )
955 i_port = p_sys->i_port_video;
956 p_sys->i_port_video = 0;
960 if( p_sys->i_port != p_sys->i_port_audio && p_sys->i_port != p_sys->i_port_video )
962 i_port = p_sys->i_port;
969 if( p_sys->psz_destination )
972 char url[NI_MAXHOST + 8];
974 /* first try to create the access out */
977 snprintf( access, sizeof( access ), "udp{raw,rtcp,ttl=%d}",
979 access[sizeof( access ) - 1] = '\0';
982 strcpy( access, "udp{raw,rtcp}" );
984 snprintf( url, sizeof( url ), (( p_sys->psz_destination[0] != '[' ) &&
985 strchr( p_sys->psz_destination, ':' )) ? "[%s]:%d" : "%s:%d",
986 p_sys->psz_destination, i_port );
987 url[sizeof( url ) - 1] = '\0';
989 if( ( p_access = sout_AccessOutNew( p_sout, access, url ) ) == NULL )
991 msg_Err( p_stream, "cannot create the access out for %s://%s",
995 msg_Dbg( p_stream, "access out %s:%s", access, url );
998 /* not create the rtp specific stuff */
999 id = malloc( sizeof( sout_stream_id_t ) );
1000 memset( id, 0, sizeof( sout_stream_id_t ) );
1001 id->p_stream = p_stream;
1002 id->p_access = p_access;
1004 id->psz_rtpmap = NULL;
1005 id->psz_fmtp = NULL;
1006 id->psz_destination = p_sys->psz_destination ? strdup( p_sys->psz_destination ) : NULL;
1007 id->i_port = i_port;
1008 id->p_rtsp_url = NULL;
1009 vlc_mutex_init( p_stream, &id->lock_rtsp );
1010 id->i_rtsp_access = 0;
1011 id->rtsp_access = NULL;
1013 switch( p_fmt->i_codec )
1015 case VLC_FOURCC( 's', '1', '6', 'b' ):
1016 if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
1018 id->i_payload_type = 11;
1020 else if( p_fmt->audio.i_channels == 2 &&
1021 p_fmt->audio.i_rate == 44100 )
1023 id->i_payload_type = 10;
1027 id->i_payload_type = p_sys->i_payload_type++;
1029 id->psz_rtpmap = malloc( strlen( "L16/*/*" ) + 20+1 );
1030 sprintf( id->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
1031 p_fmt->audio.i_channels );
1032 id->i_clock_rate = p_fmt->audio.i_rate;
1033 id->pf_packetize = rtp_packetize_l16;
1035 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
1036 id->i_payload_type = p_sys->i_payload_type++;
1037 id->psz_rtpmap = malloc( strlen( "L8/*/*" ) + 20+1 );
1038 sprintf( id->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
1039 p_fmt->audio.i_channels );
1040 id->i_clock_rate = p_fmt->audio.i_rate;
1041 id->pf_packetize = rtp_packetize_l8;
1043 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
1044 id->i_payload_type = 14;
1045 id->i_clock_rate = 90000;
1046 id->psz_rtpmap = strdup( "MPA/90000" );
1047 id->pf_packetize = rtp_packetize_mpa;
1049 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
1050 id->i_payload_type = 32;
1051 id->i_clock_rate = 90000;
1052 id->psz_rtpmap = strdup( "MPV/90000" );
1053 id->pf_packetize = rtp_packetize_mpv;
1055 case VLC_FOURCC( 'a', '5', '2', ' ' ):
1056 id->i_payload_type = p_sys->i_payload_type++;
1057 id->i_clock_rate = 90000;
1058 id->psz_rtpmap = strdup( "ac3/90000" );
1059 id->pf_packetize = rtp_packetize_ac3;
1061 case VLC_FOURCC( 'H', '2', '6', '3' ):
1062 id->i_payload_type = p_sys->i_payload_type++;
1063 id->i_clock_rate = 90000;
1064 id->psz_rtpmap = strdup( "H263-1998/90000" );
1065 id->pf_packetize = rtp_packetize_h263;
1067 case VLC_FOURCC( 'h', '2', '6', '4' ):
1068 id->i_payload_type = p_sys->i_payload_type++;
1069 id->i_clock_rate = 90000;
1070 id->psz_rtpmap = strdup( "H264/90000" );
1071 id->pf_packetize = rtp_packetize_h264;
1072 id->psz_fmtp = NULL;
1074 if( p_fmt->i_extra > 0 )
1076 uint8_t *p_buffer = p_fmt->p_extra;
1077 int i_buffer = p_fmt->i_extra;
1078 char *p_64_sps = NULL;
1079 char *p_64_pps = NULL;
1082 while( i_buffer > 4 &&
1083 p_buffer[0] == 0 && p_buffer[1] == 0 &&
1084 p_buffer[2] == 0 && p_buffer[3] == 1 )
1086 const int i_nal_type = p_buffer[4]&0x1f;
1090 msg_Dbg( p_stream, "we found a startcode for NAL with TYPE:%d", i_nal_type );
1093 for( i_offset = 4; i_offset+3 < i_buffer ; i_offset++)
1095 if( !memcmp (p_buffer + i_offset, "\x00\x00\x00\x01", 4 ) )
1097 /* we found another startcode */
1102 if( i_nal_type == 7 )
1104 p_64_sps = vlc_b64_encode_binary( &p_buffer[4], i_size - 4 );
1105 sprintf_hexa( hexa, &p_buffer[5], 3 );
1107 else if( i_nal_type == 8 )
1109 p_64_pps = vlc_b64_encode_binary( &p_buffer[4], i_size - 4 );
1115 if( p_64_sps && p_64_pps )
1116 asprintf( &id->psz_fmtp, "packetization-mode=1;profile-level-id=%s;sprop-parameter-sets=%s,%s;", hexa, p_64_sps, p_64_pps );
1123 id->psz_fmtp = strdup( "packetization-mode=1" );
1126 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
1128 char hexa[2*p_fmt->i_extra +1];
1130 id->i_payload_type = p_sys->i_payload_type++;
1131 id->i_clock_rate = 90000;
1132 id->psz_rtpmap = strdup( "MP4V-ES/90000" );
1133 id->pf_packetize = rtp_packetize_split;
1134 if( p_fmt->i_extra > 0 )
1136 id->psz_fmtp = malloc( 100 + 2 * p_fmt->i_extra );
1137 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
1138 sprintf( id->psz_fmtp,
1139 "profile-level-id=3; config=%s;", hexa );
1143 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
1145 id->i_payload_type = p_sys->i_payload_type++;
1146 id->i_clock_rate = p_fmt->audio.i_rate;
1150 char hexa[2*p_fmt->i_extra +1];
1152 id->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
1153 sprintf( id->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
1154 id->pf_packetize = rtp_packetize_mp4a;
1155 id->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
1156 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
1157 sprintf( id->psz_fmtp,
1158 "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
1159 "config=%s; SizeLength=13;IndexLength=3; "
1160 "IndexDeltaLength=3; Profile=1;", hexa );
1166 unsigned char config[6];
1167 unsigned int aacsrates[15] = {
1168 96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
1169 16000, 12000, 11025, 8000, 7350, 0, 0 };
1171 for( i = 0; i < 15; i++ )
1172 if( p_fmt->audio.i_rate == aacsrates[i] )
1178 config[3]=p_fmt->audio.i_channels<<4;
1182 asprintf( &id->psz_rtpmap, "MP4A-LATM/%d/%d",
1183 p_fmt->audio.i_rate, p_fmt->audio.i_channels );
1184 id->pf_packetize = rtp_packetize_mp4a_latm;
1185 sprintf_hexa( hexa, config, 6 );
1186 asprintf( &id->psz_fmtp, "profile-level-id=15; "
1187 "object=2; cpresent=0; config=%s", hexa );
1191 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
1192 id->i_payload_type = p_sys->i_payload_type++;
1193 id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
1194 "AMR/8000/2" : "AMR/8000" );
1195 id->psz_fmtp = strdup( "octet-align=1" );
1196 id->i_clock_rate = p_fmt->audio.i_rate;
1197 id->pf_packetize = rtp_packetize_amr;
1199 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
1200 id->i_payload_type = p_sys->i_payload_type++;
1201 id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
1202 "AMR-WB/16000/2" : "AMR-WB/16000" );
1203 id->psz_fmtp = strdup( "octet-align=1" );
1204 id->i_clock_rate = p_fmt->audio.i_rate;
1205 id->pf_packetize = rtp_packetize_amr;
1209 msg_Err( p_stream, "cannot add this stream (unsupported "
1210 "codec:%4.4s)", (char*)&p_fmt->i_codec );
1213 sout_AccessOutDelete( p_access );
1218 id->i_cat = p_fmt->i_cat;
1220 id->ssrc[0] = rand()&0xff;
1221 id->ssrc[1] = rand()&0xff;
1222 id->ssrc[2] = rand()&0xff;
1223 id->ssrc[3] = rand()&0xff;
1224 id->i_sequence = rand()&0xffff;
1225 id->i_timestamp_start = rand()&0xffffffff;
1226 id->i_bitrate = p_fmt->i_bitrate/1000; /* Stream bitrate in kbps */
1228 id->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beuk */
1229 if( id->i_mtu <= 16 + MTU_REDUCE )
1231 /* better than nothing */
1234 id->i_mtu -= MTU_REDUCE;
1235 msg_Dbg( p_stream, "maximum RTP packet size: %d bytes", id->i_mtu );
1237 if( p_sys->p_rtsp_url )
1239 char psz_urlc[strlen( p_sys->psz_rtsp_control ) + 1 + 10];
1241 sprintf( psz_urlc, "%s/trackID=%d", p_sys->psz_rtsp_path, p_sys->i_es );
1242 msg_Dbg( p_stream, "rtsp: adding %s\n", psz_urlc );
1243 id->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, psz_urlc, NULL, NULL, NULL );
1245 if( id->p_rtsp_url )
1247 httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_SETUP, RtspCallbackId, (void*)id );
1248 //httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
1249 //httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
1254 /* Update p_sys context */
1255 vlc_mutex_lock( &p_sys->lock_es );
1256 TAB_APPEND( p_sys->i_es, p_sys->es, id );
1257 vlc_mutex_unlock( &p_sys->lock_es );
1259 psz_sdp = SDPGenerate( p_stream, p_sys->psz_destination, VLC_FALSE );
1261 vlc_mutex_lock( &p_sys->lock_sdp );
1262 free( p_sys->psz_sdp );
1263 p_sys->psz_sdp = psz_sdp;
1264 vlc_mutex_unlock( &p_sys->lock_sdp );
1266 p_sys->i_sdp_version++;
1268 msg_Dbg( p_stream, "sdp=%s", p_sys->psz_sdp );
1270 /* Update SDP (sap/file) */
1271 if( p_sys->b_export_sap ) SapSetup( p_stream );
1272 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
1277 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
1279 sout_stream_sys_t *p_sys = p_stream->p_sys;
1281 vlc_mutex_lock( &p_sys->lock_es );
1282 TAB_REMOVE( p_sys->i_es, p_sys->es, id );
1283 vlc_mutex_unlock( &p_sys->lock_es );
1286 if( id->i_port > 0 )
1288 if( id->i_cat == AUDIO_ES && p_sys->i_port_audio == 0 )
1289 p_sys->i_port_audio = id->i_port;
1290 else if( id->i_cat == VIDEO_ES && p_sys->i_port_video == 0 )
1291 p_sys->i_port_video = id->i_port;
1296 if( id->psz_rtpmap )
1298 free( id->psz_rtpmap );
1302 free( id->psz_fmtp );
1304 if( id->psz_destination )
1305 free( id->psz_destination );
1306 sout_AccessOutDelete( id->p_access );
1308 else if( id->p_input )
1310 sout_MuxDeleteStream( p_sys->p_mux, id->p_input );
1312 if( id->p_rtsp_url )
1314 httpd_UrlDelete( id->p_rtsp_url );
1316 vlc_mutex_destroy( &id->lock_rtsp );
1317 if( id->rtsp_access ) free( id->rtsp_access );
1319 /* Update SDP (sap/file) */
1320 if( p_sys->b_export_sap && !p_sys->p_mux ) SapSetup( p_stream );
1321 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
1327 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
1332 if( p_stream->p_sys->p_mux )
1334 sout_MuxSendBuffer( p_stream->p_sys->p_mux, id->p_input, p_buffer );
1340 p_next = p_buffer->p_next;
1341 if( id->pf_packetize( p_stream, id, p_buffer ) )
1345 block_Release( p_buffer );
1353 static int AccessOutGrabberWriteBuffer( sout_stream_t *p_stream,
1356 sout_stream_sys_t *p_sys = p_stream->p_sys;
1358 int64_t i_dts = p_buffer->i_dts;
1359 uint32_t i_timestamp = i_dts * 9 / 100;
1361 uint8_t *p_data = p_buffer->p_buffer;
1362 unsigned int i_data = p_buffer->i_buffer;
1363 unsigned int i_max = p_sys->i_mtu - 12;
1365 unsigned i_packet = ( p_buffer->i_buffer + i_max - 1 ) / i_max;
1369 unsigned int i_size;
1371 /* output complete packet */
1372 if( p_sys->packet &&
1373 p_sys->packet->i_buffer + i_data > i_max )
1375 sout_AccessOutWrite( p_sys->p_access, p_sys->packet );
1376 p_sys->packet = NULL;
1379 if( p_sys->packet == NULL )
1381 /* allocate a new packet */
1382 p_sys->packet = block_New( p_stream, p_sys->i_mtu );
1383 p_sys->packet->p_buffer[ 0] = 0x80;
1384 p_sys->packet->p_buffer[ 1] = 0x80|p_sys->i_payload_type;
1385 p_sys->packet->p_buffer[ 2] = ( p_sys->i_sequence >> 8)&0xff;
1386 p_sys->packet->p_buffer[ 3] = ( p_sys->i_sequence )&0xff;
1387 p_sys->packet->p_buffer[ 4] = ( i_timestamp >> 24 )&0xff;
1388 p_sys->packet->p_buffer[ 5] = ( i_timestamp >> 16 )&0xff;
1389 p_sys->packet->p_buffer[ 6] = ( i_timestamp >> 8 )&0xff;
1390 p_sys->packet->p_buffer[ 7] = ( i_timestamp )&0xff;
1391 p_sys->packet->p_buffer[ 8] = p_sys->ssrc[0];
1392 p_sys->packet->p_buffer[ 9] = p_sys->ssrc[1];
1393 p_sys->packet->p_buffer[10] = p_sys->ssrc[2];
1394 p_sys->packet->p_buffer[11] = p_sys->ssrc[3];
1395 p_sys->packet->i_buffer = 12;
1397 p_sys->packet->i_dts = i_dts;
1398 p_sys->packet->i_length = p_buffer->i_length / i_packet;
1399 i_dts += p_sys->packet->i_length;
1401 p_sys->i_sequence++;
1404 i_size = __MIN( i_data,
1405 (unsigned)(p_sys->i_mtu - p_sys->packet->i_buffer) );
1407 memcpy( &p_sys->packet->p_buffer[p_sys->packet->i_buffer],
1410 p_sys->packet->i_buffer += i_size;
1418 static int AccessOutGrabberWrite( sout_access_out_t *p_access,
1421 sout_stream_t *p_stream = (sout_stream_t*)p_access->p_sys;
1423 //fprintf( stderr, "received buffer size=%d\n", p_buffer->i_buffer );
1429 AccessOutGrabberWriteBuffer( p_stream, p_buffer );
1431 p_next = p_buffer->p_next;
1432 block_Release( p_buffer );
1439 /****************************************************************************
1441 ****************************************************************************/
1442 static int SapSetup( sout_stream_t *p_stream )
1444 sout_stream_sys_t *p_sys = p_stream->p_sys;
1445 sout_instance_t *p_sout = p_stream->p_sout;
1446 announce_method_t *p_method = sout_SAPMethod();
1448 /* Remove the previous session */
1449 if( p_sys->p_session != NULL)
1451 sout_AnnounceUnRegister( p_sout, p_sys->p_session);
1452 sout_AnnounceSessionDestroy( p_sys->p_session );
1453 p_sys->p_session = NULL;
1456 if( ( p_sys->i_es > 0 || p_sys->p_mux ) && p_sys->psz_sdp && *p_sys->psz_sdp )
1458 p_sys->p_session = sout_AnnounceRegisterSDP( p_sout, SOUT_CFG_PREFIX,
1460 p_sys->psz_destination,
1464 sout_MethodRelease( p_method );
1468 /****************************************************************************
1470 ****************************************************************************/
1471 static int FileSetup( sout_stream_t *p_stream )
1473 sout_stream_sys_t *p_sys = p_stream->p_sys;
1476 if( ( f = utf8_fopen( p_sys->psz_sdp_file, "wt" ) ) == NULL )
1478 msg_Err( p_stream, "cannot open file '%s' (%s)",
1479 p_sys->psz_sdp_file, strerror(errno) );
1480 return VLC_EGENERIC;
1483 fprintf( f, "%s", p_sys->psz_sdp );
1489 /****************************************************************************
1491 ****************************************************************************/
1492 static int HttpCallback( httpd_file_sys_t *p_args,
1493 httpd_file_t *, uint8_t *p_request,
1494 uint8_t **pp_data, int *pi_data );
1496 static int HttpSetup( sout_stream_t *p_stream, vlc_url_t *url)
1498 sout_stream_sys_t *p_sys = p_stream->p_sys;
1500 p_sys->p_httpd_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 80 );
1501 if( p_sys->p_httpd_host )
1503 p_sys->p_httpd_file = httpd_FileNew( p_sys->p_httpd_host,
1504 url->psz_path ? url->psz_path : "/",
1507 HttpCallback, (void*)p_sys );
1509 if( p_sys->p_httpd_file == NULL )
1511 return VLC_EGENERIC;
1516 static int HttpCallback( httpd_file_sys_t *p_args,
1517 httpd_file_t *f, uint8_t *p_request,
1518 uint8_t **pp_data, int *pi_data )
1520 sout_stream_sys_t *p_sys = (sout_stream_sys_t*)p_args;
1522 vlc_mutex_lock( &p_sys->lock_sdp );
1523 if( p_sys->psz_sdp && *p_sys->psz_sdp )
1525 *pi_data = strlen( p_sys->psz_sdp );
1526 *pp_data = malloc( *pi_data );
1527 memcpy( *pp_data, p_sys->psz_sdp, *pi_data );
1534 vlc_mutex_unlock( &p_sys->lock_sdp );
1539 /****************************************************************************
1541 ****************************************************************************/
1542 static rtsp_client_t *RtspClientNew( sout_stream_t *p_stream, const char *psz_session )
1544 rtsp_client_t *rtsp = malloc( sizeof( rtsp_client_t ));
1546 rtsp->psz_session = strdup( psz_session );
1548 rtsp->b_playing = VLC_FALSE;
1552 rtsp->access = NULL;
1554 TAB_APPEND( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
1558 static rtsp_client_t *RtspClientGet( sout_stream_t *p_stream, const char *psz_session )
1562 if( !psz_session ) return NULL;
1564 for( i = 0; i < p_stream->p_sys->i_rtsp; i++ )
1566 if( !strcmp( p_stream->p_sys->rtsp[i]->psz_session, psz_session ) )
1568 return p_stream->p_sys->rtsp[i];
1574 static void RtspClientDel( sout_stream_t *p_stream, rtsp_client_t *rtsp )
1577 TAB_REMOVE( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
1579 for( i = 0; i < rtsp->i_access; i++ )
1581 sout_AccessOutDelete( rtsp->access[i] );
1583 if( rtsp->id ) free( rtsp->id );
1584 if( rtsp->access ) free( rtsp->access );
1586 free( rtsp->psz_session );
1590 static int RtspSetup( sout_stream_t *p_stream, vlc_url_t *url )
1592 sout_stream_sys_t *p_sys = p_stream->p_sys;
1594 msg_Dbg( p_stream, "rtsp setup: %s : %d / %s\n", url->psz_host, url->i_port, url->psz_path );
1596 p_sys->p_rtsp_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 554 );
1597 if( p_sys->p_rtsp_host == NULL )
1599 return VLC_EGENERIC;
1602 p_sys->psz_rtsp_path = strdup( url->psz_path ? url->psz_path : "/" );
1603 p_sys->psz_rtsp_control = malloc (strlen( url->psz_host ) + 20 + strlen( p_sys->psz_rtsp_path ) + 1 );
1604 sprintf( p_sys->psz_rtsp_control, "rtsp://%s:%d%s",
1605 url->psz_host, url->i_port > 0 ? url->i_port : 554, p_sys->psz_rtsp_path );
1607 p_sys->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, p_sys->psz_rtsp_path, NULL, NULL, NULL );
1608 if( p_sys->p_rtsp_url == 0 )
1610 return VLC_EGENERIC;
1612 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_DESCRIBE, RtspCallback, (void*)p_stream );
1613 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
1614 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
1615 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_TEARDOWN, RtspCallback, (void*)p_stream );
1620 static int RtspCallback( httpd_callback_sys_t *p_args,
1622 httpd_message_t *answer, httpd_message_t *query )
1624 sout_stream_t *p_stream = (sout_stream_t*)p_args;
1625 sout_stream_sys_t *p_sys = p_stream->p_sys;
1626 char *psz_destination = p_sys->psz_destination;
1627 const char *psz_session = NULL;
1628 const char *psz_cseq = NULL;
1631 if( answer == NULL || query == NULL )
1635 //fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
1637 answer->i_proto = HTTPD_PROTO_RTSP;
1638 answer->i_version= query->i_version;
1639 answer->i_type = HTTPD_MSG_ANSWER;
1641 switch( query->i_type )
1643 case HTTPD_MSG_DESCRIBE:
1645 char *psz_sdp = SDPGenerate( p_stream, psz_destination ? psz_destination : "0.0.0.0", VLC_TRUE );
1647 answer->i_status = 200;
1648 httpd_MsgAdd( answer, "Content-type", "%s", "application/sdp" );
1649 httpd_MsgAdd( answer, "Content-Base", "%s", p_sys->psz_rtsp_control );
1650 answer->p_body = (uint8_t *)psz_sdp;
1651 answer->i_body = strlen( psz_sdp );
1655 case HTTPD_MSG_PLAY:
1657 rtsp_client_t *rtsp;
1658 /* for now only multicast so easy */
1659 answer->i_status = 200;
1661 answer->p_body = NULL;
1663 psz_session = httpd_MsgGet( query, "Session" );
1664 rtsp = RtspClientGet( p_stream, psz_session );
1665 if( rtsp && !rtsp->b_playing )
1669 rtsp->b_playing = VLC_TRUE;
1671 vlc_mutex_lock( &p_sys->lock_es );
1672 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
1674 sout_stream_id_t *id = rtsp->id[i_id];
1677 for( i = 0; i < p_sys->i_es; i++ )
1679 if( id == p_sys->es[i] )
1682 if( i >= p_sys->i_es ) continue;
1684 vlc_mutex_lock( &id->lock_rtsp );
1685 TAB_APPEND( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
1686 vlc_mutex_unlock( &id->lock_rtsp );
1688 vlc_mutex_unlock( &p_sys->lock_es );
1692 case HTTPD_MSG_PAUSE:
1694 return VLC_EGENERIC;
1695 case HTTPD_MSG_TEARDOWN:
1697 rtsp_client_t *rtsp;
1699 /* for now only multicast so easy again */
1700 answer->i_status = 200;
1702 answer->p_body = NULL;
1704 psz_session = httpd_MsgGet( query, "Session" );
1705 rtsp = RtspClientGet( p_stream, psz_session );
1710 vlc_mutex_lock( &p_sys->lock_es );
1711 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
1713 sout_stream_id_t *id = rtsp->id[i_id];
1716 for( i = 0; i < p_sys->i_es; i++ )
1718 if( id == p_sys->es[i] )
1721 if( i >= p_sys->i_es ) continue;
1723 vlc_mutex_lock( &id->lock_rtsp );
1724 TAB_REMOVE( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
1725 vlc_mutex_unlock( &id->lock_rtsp );
1727 vlc_mutex_unlock( &p_sys->lock_es );
1729 RtspClientDel( p_stream, rtsp );
1735 return VLC_EGENERIC;
1737 httpd_MsgAdd( answer, "Server", PACKAGE_STRING );
1738 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1739 psz_cseq = httpd_MsgGet( query, "Cseq" );
1741 i_cseq = atoi( psz_cseq );
1744 httpd_MsgAdd( answer, "Cseq", "%d", i_cseq );
1745 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1748 httpd_MsgAdd( answer, "Session", "%s;timeout=5", psz_session );
1752 static int RtspCallbackId( httpd_callback_sys_t *p_args,
1754 httpd_message_t *answer, httpd_message_t *query )
1756 sout_stream_id_t *id = (sout_stream_id_t*)p_args;
1757 sout_stream_t *p_stream = id->p_stream;
1758 sout_stream_sys_t *p_sys = p_stream->p_sys;
1759 char psz_session_init[100];
1760 const char *psz_session = NULL;
1761 const char *psz_cseq = NULL;
1765 if( answer == NULL || query == NULL )
1767 //fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
1770 snprintf( psz_session_init, sizeof(psz_session_init), "%d", rand() );
1773 answer->i_proto = HTTPD_PROTO_RTSP;
1774 answer->i_version= query->i_version;
1775 answer->i_type = HTTPD_MSG_ANSWER;
1777 switch( query->i_type )
1779 case HTTPD_MSG_SETUP:
1781 const char *psz_transport = httpd_MsgGet( query, "Transport" );
1782 if( psz_transport == NULL )
1784 answer->i_status = 461;
1786 answer->p_body = NULL;
1790 //fprintf( stderr, "HTTPD_MSG_SETUP: transport=%s\n", psz_transport );
1792 if( strstr( psz_transport, "multicast" ) && id->psz_destination )
1794 //fprintf( stderr, "HTTPD_MSG_SETUP: multicast\n" );
1795 answer->i_status = 200;
1797 answer->p_body = NULL;
1799 psz_session = httpd_MsgGet( query, "Session" );
1801 psz_session = psz_session_init;
1803 httpd_MsgAdd( answer, "Transport",
1804 "RTP/AVP/UDP;destination=%s;port=%d-%d;ttl=%d",
1805 id->psz_destination, id->i_port,id->i_port+1,
1806 p_sys->i_ttl > 0 ? p_sys->i_ttl : 1);
1808 else if( strstr( psz_transport, "unicast" ) && strstr( psz_transport, "client_port=" ) )
1810 int i_port = atoi( strstr( psz_transport, "client_port=" ) + strlen("client_port=") );
1811 char ip[NI_MAXNUMERICHOST], psz_access[22], psz_url[NI_MAXNUMERICHOST + 8];
1813 sout_access_out_t *p_access;
1815 rtsp_client_t *rtsp = NULL;
1817 if( httpd_ClientIP( cl, ip ) == NULL )
1819 answer->i_status = 500;
1821 answer->p_body = NULL;
1825 //fprintf( stderr, "HTTPD_MSG_SETUP: unicast ip=%s port=%d\n", ip, i_port );
1827 psz_session = httpd_MsgGet( query, "Session" );
1830 psz_session = psz_session_init;
1831 rtsp = RtspClientNew( p_stream, psz_session_init );
1835 rtsp = RtspClientGet( p_stream, psz_session );
1838 answer->i_status = 454;
1840 answer->p_body = NULL;
1845 /* first try to create the access out */
1847 snprintf( psz_access, sizeof( psz_access ),
1848 "udp{raw,rtcp,ttl=%d}", p_sys->i_ttl );
1850 strcpy( psz_access, "udp{raw,rtcp}" );
1852 snprintf( psz_url, sizeof( psz_url ),
1853 ( strchr( ip, ':' ) != NULL ) ? "[%s]:%d" : "%s:%d",
1856 if( ( p_access = sout_AccessOutNew( p_stream->p_sout, psz_access, psz_url ) ) == NULL )
1858 msg_Err( p_stream, "cannot create the access out for %s://%s",
1859 psz_access, psz_url );
1860 answer->i_status = 500;
1862 answer->p_body = NULL;
1866 TAB_APPEND( rtsp->i_id, rtsp->id, id );
1867 TAB_APPEND( rtsp->i_access, rtsp->access, p_access );
1869 answer->i_status = 200;
1871 answer->p_body = NULL;
1873 httpd_MsgAdd( answer, "Transport",
1874 "RTP/AVP/UDP;client_port=%d-%d", i_port, i_port + 1 );
1876 else /* TODO strstr( psz_transport, "interleaved" ) ) */
1878 answer->i_status = 461;
1880 answer->p_body = NULL;
1886 return VLC_EGENERIC;
1888 httpd_MsgAdd( answer, "Server", "VLC Server" );
1889 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1890 psz_cseq = httpd_MsgGet( query, "Cseq" );
1892 i_cseq = atoi( psz_cseq );
1895 httpd_MsgAdd( answer, "Cseq", "%d", i_cseq );
1896 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1899 httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
1903 /****************************************************************************
1905 ****************************************************************************/
1906 static void rtp_packetize_common( sout_stream_id_t *id, block_t *out,
1907 int b_marker, int64_t i_pts )
1909 uint32_t i_timestamp = i_pts * (int64_t)id->i_clock_rate / I64C(1000000);
1911 out->p_buffer[0] = 0x80;
1912 out->p_buffer[1] = (b_marker?0x80:0x00)|id->i_payload_type;
1913 out->p_buffer[2] = ( id->i_sequence >> 8)&0xff;
1914 out->p_buffer[3] = ( id->i_sequence )&0xff;
1915 out->p_buffer[4] = ( i_timestamp >> 24 )&0xff;
1916 out->p_buffer[5] = ( i_timestamp >> 16 )&0xff;
1917 out->p_buffer[6] = ( i_timestamp >> 8 )&0xff;
1918 out->p_buffer[7] = ( i_timestamp )&0xff;
1920 out->p_buffer[ 8] = id->ssrc[0];
1921 out->p_buffer[ 9] = id->ssrc[1];
1922 out->p_buffer[10] = id->ssrc[2];
1923 out->p_buffer[11] = id->ssrc[3];
1929 static void rtp_packetize_send( sout_stream_id_t *id, block_t *out )
1932 vlc_mutex_lock( &id->lock_rtsp );
1933 for( i = 0; i < id->i_rtsp_access; i++ )
1935 sout_AccessOutWrite( id->rtsp_access[i], block_Duplicate( out ) );
1937 vlc_mutex_unlock( &id->lock_rtsp );
1941 sout_AccessOutWrite( id->p_access, out );
1945 block_Release( out );
1949 static int rtp_packetize_mpa( sout_stream_t *p_stream, sout_stream_id_t *id,
1952 int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
1953 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1955 uint8_t *p_data = in->p_buffer;
1956 int i_data = in->i_buffer;
1959 for( i = 0; i < i_count; i++ )
1961 int i_payload = __MIN( i_max, i_data );
1962 block_t *out = block_New( p_stream, 16 + i_payload );
1964 /* rtp common header */
1965 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
1967 out->p_buffer[12] = 0;
1968 out->p_buffer[13] = 0;
1969 /* fragment offset in the current frame */
1970 out->p_buffer[14] = ( (i*i_max) >> 8 )&0xff;
1971 out->p_buffer[15] = ( (i*i_max) )&0xff;
1972 memcpy( &out->p_buffer[16], p_data, i_payload );
1974 out->i_buffer = 16 + i_payload;
1975 out->i_dts = in->i_dts + i * in->i_length / i_count;
1976 out->i_length = in->i_length / i_count;
1978 rtp_packetize_send( id, out );
1980 p_data += i_payload;
1981 i_data -= i_payload;
1988 static int rtp_packetize_mpv( sout_stream_t *p_stream, sout_stream_id_t *id,
1991 int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
1992 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1994 uint8_t *p_data = in->p_buffer;
1995 int i_data = in->i_buffer;
1997 int b_sequence_start = 0;
1998 int i_temporal_ref = 0;
1999 int i_picture_coding_type = 0;
2000 int i_fbv = 0, i_bfc = 0, i_ffv = 0, i_ffc = 0;
2001 int b_start_slice = 0;
2003 /* preparse this packet to get some info */
2004 if( in->i_buffer > 4 )
2006 uint8_t *p = p_data;
2007 int i_rest = in->i_buffer;
2011 while( i_rest > 4 &&
2012 ( p[0] != 0x00 || p[1] != 0x00 || p[2] != 0x01 ) )
2026 /* sequence start code */
2027 b_sequence_start = 1;
2029 else if( *p == 0x00 && i_rest >= 4 )
2032 i_temporal_ref = ( p[1] << 2) |((p[2]>>6)&0x03);
2033 i_picture_coding_type = (p[2] >> 3)&0x07;
2035 if( i_rest >= 4 && ( i_picture_coding_type == 2 ||
2036 i_picture_coding_type == 3 ) )
2038 i_ffv = (p[3] >> 2)&0x01;
2039 i_ffc = ((p[3]&0x03) << 1)|((p[4]>>7)&0x01);
2040 if( i_rest > 4 && i_picture_coding_type == 3 )
2042 i_fbv = (p[4]>>6)&0x01;
2043 i_bfc = (p[4]>>3)&0x07;
2047 else if( *p <= 0xaf )
2054 for( i = 0; i < i_count; i++ )
2056 int i_payload = __MIN( i_max, i_data );
2057 block_t *out = block_New( p_stream,
2059 uint32_t h = ( i_temporal_ref << 16 )|
2060 ( b_sequence_start << 13 )|
2061 ( b_start_slice << 12 )|
2062 ( i == i_count - 1 ? 1 << 11 : 0 )|
2063 ( i_picture_coding_type << 8 )|
2064 ( i_fbv << 7 )|( i_bfc << 4 )|( i_ffv << 3 )|i_ffc;
2066 /* rtp common header */
2067 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
2068 in->i_pts > 0 ? in->i_pts : in->i_dts );
2070 /* 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 */
2071 out->p_buffer[12] = ( h >> 24 )&0xff;
2072 out->p_buffer[13] = ( h >> 16 )&0xff;
2073 out->p_buffer[14] = ( h >> 8 )&0xff;
2074 out->p_buffer[15] = ( h )&0xff;
2076 memcpy( &out->p_buffer[16], p_data, i_payload );
2078 out->i_buffer = 16 + i_payload;
2079 out->i_dts = in->i_dts + i * in->i_length / i_count;
2080 out->i_length = in->i_length / i_count;
2082 rtp_packetize_send( id, out );
2084 p_data += i_payload;
2085 i_data -= i_payload;
2091 static int rtp_packetize_ac3( sout_stream_t *p_stream, sout_stream_id_t *id,
2094 int i_max = id->i_mtu - 12 - 2; /* payload max in one packet */
2095 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2097 uint8_t *p_data = in->p_buffer;
2098 int i_data = in->i_buffer;
2101 for( i = 0; i < i_count; i++ )
2103 int i_payload = __MIN( i_max, i_data );
2104 block_t *out = block_New( p_stream, 14 + i_payload );
2106 /* rtp common header */
2107 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
2109 out->p_buffer[12] = 1;
2111 out->p_buffer[13] = 0x00;
2113 memcpy( &out->p_buffer[14], p_data, i_payload );
2115 out->i_buffer = 14 + i_payload;
2116 out->i_dts = in->i_dts + i * in->i_length / i_count;
2117 out->i_length = in->i_length / i_count;
2119 rtp_packetize_send( id, out );
2121 p_data += i_payload;
2122 i_data -= i_payload;
2128 static int rtp_packetize_split( sout_stream_t *p_stream, sout_stream_id_t *id,
2131 int i_max = id->i_mtu - 12; /* payload max in one packet */
2132 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2134 uint8_t *p_data = in->p_buffer;
2135 int i_data = in->i_buffer;
2138 for( i = 0; i < i_count; i++ )
2140 int i_payload = __MIN( i_max, i_data );
2141 block_t *out = block_New( p_stream, 12 + i_payload );
2143 /* rtp common header */
2144 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2145 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2146 memcpy( &out->p_buffer[12], p_data, i_payload );
2148 out->i_buffer = 12 + i_payload;
2149 out->i_dts = in->i_dts + i * in->i_length / i_count;
2150 out->i_length = in->i_length / i_count;
2152 rtp_packetize_send( id, out );
2154 p_data += i_payload;
2155 i_data -= i_payload;
2162 static int rtp_packetize_mp4a_latm( sout_stream_t *p_stream, sout_stream_id_t *id,
2165 int i_max = id->i_mtu - 14; /* payload max in one packet */
2166 int latmhdrsize = in->i_buffer / 0xff + 1;
2167 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2169 uint8_t *p_data = in->p_buffer, *p_header = NULL;
2170 int i_data = in->i_buffer;
2173 for( i = 0; i < i_count; i++ )
2175 int i_payload = __MIN( i_max, i_data );
2180 out = block_New( p_stream, 12 + latmhdrsize + i_payload );
2182 /* rtp common header */
2183 rtp_packetize_common( id, out, ((i == i_count - 1) ? 1 : 0),
2184 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2188 int tmp = in->i_buffer;
2190 p_header=out->p_buffer+12;
2200 memcpy( &out->p_buffer[12+latmhdrsize], p_data, i_payload );
2202 out->i_buffer = 12 + latmhdrsize + i_payload;
2203 out->i_dts = in->i_dts + i * in->i_length / i_count;
2204 out->i_length = in->i_length / i_count;
2206 rtp_packetize_send( id, out );
2208 p_data += i_payload;
2209 i_data -= i_payload;
2215 static int rtp_packetize_l16( sout_stream_t *p_stream, sout_stream_id_t *id,
2218 int i_max = id->i_mtu - 12; /* payload max in one packet */
2219 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2221 uint8_t *p_data = in->p_buffer;
2222 int i_data = in->i_buffer;
2227 int i_payload = (__MIN( i_max, i_data )/4)*4;
2228 block_t *out = block_New( p_stream, 12 + i_payload );
2230 /* rtp common header */
2231 rtp_packetize_common( id, out, 0,
2232 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2233 memcpy( &out->p_buffer[12], p_data, i_payload );
2235 out->i_buffer = 12 + i_payload;
2236 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
2237 out->i_length = in->i_length / i_count;
2239 rtp_packetize_send( id, out );
2241 p_data += i_payload;
2242 i_data -= i_payload;
2249 static int rtp_packetize_l8( sout_stream_t *p_stream, sout_stream_id_t *id,
2252 int i_max = id->i_mtu - 12; /* payload max in one packet */
2253 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2255 uint8_t *p_data = in->p_buffer;
2256 int i_data = in->i_buffer;
2261 int i_payload = (__MIN( i_max, i_data )/2)*2;
2262 block_t *out = block_New( p_stream, 12 + i_payload );
2264 /* rtp common header */
2265 rtp_packetize_common( id, out, 0,
2266 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2267 memcpy( &out->p_buffer[12], p_data, i_payload );
2269 out->i_buffer = 12 + i_payload;
2270 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
2271 out->i_length = in->i_length / i_count;
2273 rtp_packetize_send( id, out );
2275 p_data += i_payload;
2276 i_data -= i_payload;
2282 static int rtp_packetize_mp4a( sout_stream_t *p_stream, sout_stream_id_t *id,
2285 int i_max = id->i_mtu - 16; /* payload max in one packet */
2286 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2288 uint8_t *p_data = in->p_buffer;
2289 int i_data = in->i_buffer;
2292 for( i = 0; i < i_count; i++ )
2294 int i_payload = __MIN( i_max, i_data );
2295 block_t *out = block_New( p_stream, 16 + i_payload );
2297 /* rtp common header */
2298 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2299 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2301 /* AU headers length (bits) */
2302 out->p_buffer[12] = 0;
2303 out->p_buffer[13] = 2*8;
2304 /* for each AU length 13 bits + idx 3bits, */
2305 out->p_buffer[14] = ( in->i_buffer >> 5 )&0xff;
2306 out->p_buffer[15] = ( (in->i_buffer&0xff)<<3 )|0;
2308 memcpy( &out->p_buffer[16], p_data, i_payload );
2310 out->i_buffer = 16 + i_payload;
2311 out->i_dts = in->i_dts + i * in->i_length / i_count;
2312 out->i_length = in->i_length / i_count;
2314 rtp_packetize_send( id, out );
2316 p_data += i_payload;
2317 i_data -= i_payload;
2325 #define RTP_H263_HEADER_SIZE (2) // plen = 0
2326 #define RTP_H263_PAYLOAD_START (14) // plen = 0
2327 static int rtp_packetize_h263( sout_stream_t *p_stream, sout_stream_id_t *id,
2330 uint8_t *p_data = in->p_buffer;
2331 int i_data = in->i_buffer;
2333 int i_max = id->i_mtu - 12 - RTP_H263_HEADER_SIZE; /* payload max in one packet */
2336 int b_v_bit = 0; // no pesky error resilience
2337 int i_plen = 0; // normally plen=0 for PSC packet
2338 int i_pebit = 0; // because plen=0
2343 return VLC_EGENERIC;
2345 if( p_data[0] || p_data[1] )
2347 return VLC_EGENERIC;
2349 /* remove 2 leading 0 bytes */
2352 i_count = ( i_data + i_max - 1 ) / i_max;
2354 for( i = 0; i < i_count; i++ )
2356 int i_payload = __MIN( i_max, i_data );
2357 block_t *out = block_New( p_stream,
2358 RTP_H263_PAYLOAD_START + i_payload );
2359 b_p_bit = (i == 0) ? 1 : 0;
2360 h = ( b_p_bit << 10 )|
2365 /* rtp common header */
2366 //b_m_bit = 1; // always contains end of frame
2367 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
2368 in->i_pts > 0 ? in->i_pts : in->i_dts );
2371 out->p_buffer[12] = ( h >> 8 )&0xff;
2372 out->p_buffer[13] = ( h )&0xff;
2373 memcpy( &out->p_buffer[RTP_H263_PAYLOAD_START], p_data, i_payload );
2375 out->i_buffer = RTP_H263_PAYLOAD_START + i_payload;
2376 out->i_dts = in->i_dts + i * in->i_length / i_count;
2377 out->i_length = in->i_length / i_count;
2379 rtp_packetize_send( id, out );
2381 p_data += i_payload;
2382 i_data -= i_payload;
2389 static int rtp_packetize_h264_nal( sout_stream_t *p_stream, sout_stream_id_t *id,
2390 const uint8_t *p_data, int i_data, int64_t i_pts, int64_t i_dts, vlc_bool_t b_last, int64_t i_length )
2392 const int i_max = id->i_mtu - 12; /* payload max in one packet */
2399 i_nal_hdr = p_data[3];
2400 i_nal_type = i_nal_hdr&0x1f;
2401 if( i_nal_type == 7 || i_nal_type == 8 )
2403 /* XXX Why do you want to remove them ? It will break streaming with
2404 * SPS/PPS change (broadcast) ? */
2408 /* Skip start code */
2413 if( i_data <= i_max )
2415 /* Single NAL unit packet */
2416 block_t *out = block_New( p_stream, 12 + i_data );
2418 out->i_length = i_length;
2421 rtp_packetize_common( id, out, b_last, i_pts );
2422 out->i_buffer = 12 + i_data;
2424 memcpy( &out->p_buffer[12], p_data, i_data );
2426 rtp_packetize_send( id, out );
2430 /* FU-A Fragmentation Unit without interleaving */
2431 const int i_count = ( i_data-1 + i_max-2 - 1 ) / (i_max-2);
2437 for( i = 0; i < i_count; i++ )
2439 const int i_payload = __MIN( i_data, i_max-2 );
2440 block_t *out = block_New( p_stream, 12 + 2 + i_payload );
2441 out->i_dts = i_dts + i * i_length / i_count;
2442 out->i_length = i_length / i_count;
2445 rtp_packetize_common( id, out, (b_last && i_payload == i_data), i_pts );
2446 out->i_buffer = 14 + i_payload;
2449 out->p_buffer[12] = 0x00 | (i_nal_hdr & 0x60) | 28;
2451 out->p_buffer[13] = ( i == 0 ? 0x80 : 0x00 ) | ( (i == i_count-1) ? 0x40 : 0x00 ) | i_nal_type;
2452 memcpy( &out->p_buffer[14], p_data, i_payload );
2454 rtp_packetize_send( id, out );
2456 i_data -= i_payload;
2457 p_data += i_payload;
2463 static int rtp_packetize_h264( sout_stream_t *p_stream, sout_stream_id_t *id,
2466 const uint8_t *p_buffer = in->p_buffer;
2467 int i_buffer = in->i_buffer;
2469 while( i_buffer > 4 && ( p_buffer[0] != 0 || p_buffer[1] != 0 || p_buffer[2] != 1 ) )
2475 /* Split nal units */
2476 while( i_buffer > 4 )
2479 int i_size = i_buffer;
2480 int i_skip = i_buffer;
2482 /* search nal end */
2483 for( i_offset = 4; i_offset+2 < i_buffer ; i_offset++)
2485 if( p_buffer[i_offset] == 0 && p_buffer[i_offset+1] == 0 && p_buffer[i_offset+2] == 1 )
2487 /* we found another startcode */
2488 i_size = i_offset - ( p_buffer[i_offset-1] == 0 ? 1 : 0);
2493 /* TODO add STAP-A to remove a lot of overhead with small slice/sei/... */
2494 rtp_packetize_h264_nal( p_stream, id, p_buffer, i_size,
2495 (in->i_pts > 0 ? in->i_pts : in->i_dts), in->i_dts,
2496 (i_size >= i_buffer), in->i_length * i_size / in->i_buffer );
2504 static int rtp_packetize_amr( sout_stream_t *p_stream, sout_stream_id_t *id,
2507 int i_max = id->i_mtu - 14; /* payload max in one packet */
2508 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2510 uint8_t *p_data = in->p_buffer;
2511 int i_data = in->i_buffer;
2514 /* Only supports octet-aligned mode */
2515 for( i = 0; i < i_count; i++ )
2517 int i_payload = __MIN( i_max, i_data );
2518 block_t *out = block_New( p_stream, 14 + i_payload );
2520 /* rtp common header */
2521 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2522 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2523 /* Payload header */
2524 out->p_buffer[12] = 0xF0; /* CMR */
2525 out->p_buffer[13] = p_data[0]&0x7C; /* ToC */ /* FIXME: frame type */
2527 /* FIXME: are we fed multiple frames ? */
2528 memcpy( &out->p_buffer[14], p_data+1, i_payload-1 );
2530 out->i_buffer = 14 + i_payload-1;
2531 out->i_dts = in->i_dts + i * in->i_length / i_count;
2532 out->i_length = in->i_length / i_count;
2534 rtp_packetize_send( id, out );
2536 p_data += i_payload;
2537 i_data -= i_payload;