1 /*****************************************************************************
2 * rtp.c: rtp stream output module
3 *****************************************************************************
4 * Copyright (C) 2003-2004 the VideoLAN team
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
32 #include <vlc/input.h>
35 #include "vlc_httpd.h"
40 /*****************************************************************************
42 *****************************************************************************/
46 #define DST_TEXT N_("Destination")
47 #define DST_LONGTEXT N_( \
48 "This is the output URL that will be used." )
49 #define SDP_TEXT N_("SDP")
50 #define SDP_LONGTEXT N_( \
51 "This allows you to specify how the SDP (Session Descriptor) for this RTP "\
52 "session will be made available. You must use an url: http://location to " \
53 "access the SDP via HTTP, rtsp://location for RTSP access, and sap:// " \
54 "for the SDP to be announced via SAP." )
55 #define MUX_TEXT N_("Muxer")
56 #define MUX_LONGTEXT N_( \
57 "This allows you to specify the muxer used for the streaming output. " \
58 "Default is to use no muxer (standard RTP stream)." )
60 #define NAME_TEXT N_("Session name")
61 #define NAME_LONGTEXT N_( \
62 "This is the name of the session that will be announced in the SDP " \
63 "(Session Descriptor)." )
64 #define DESC_TEXT N_("Session description")
65 #define DESC_LONGTEXT N_( \
66 "This allows you to give a broader description of the stream, that will " \
67 "be announced in the SDP (Session Descriptor)." )
68 #define URL_TEXT N_("Session URL")
69 #define URL_LONGTEXT N_( \
70 "This allows you to give an URL with more details about the stream " \
71 "(often the website of the streaming organization), that will " \
72 "be announced in the SDP (Session Descriptor)." )
73 #define EMAIL_TEXT N_("Session email")
74 #define EMAIL_LONGTEXT N_( \
75 "This allows you to give a contact mail address for the stream, that will " \
76 "be announced in the SDP (Session Descriptor)." )
77 #define PORT_TEXT N_("Port")
78 #define PORT_LONGTEXT N_( \
79 "This allows you to specify the base port for the RTP streaming." )
80 #define PORT_AUDIO_TEXT N_("Audio port")
81 #define PORT_AUDIO_LONGTEXT N_( \
82 "This allows you to specify the default audio port for the RTP streaming." )
83 #define PORT_VIDEO_TEXT N_("Video port")
84 #define PORT_VIDEO_LONGTEXT N_( \
85 "This allows you to specify the default video port for the RTP streaming." )
87 #define TTL_TEXT N_("Time-To-Live (TTL)")
88 #define TTL_LONGTEXT N_( \
89 "This allows you to specify the Time-To-Live for the output stream." )
91 #define RFC3016_TEXT N_("MP4A LATM")
92 #define RFC3016_LONGTEXT N_( \
93 "This allows you to stream MPEG4 LATM audio streams (see RFC3016)." )
95 static int Open ( vlc_object_t * );
96 static void Close( vlc_object_t * );
98 #define SOUT_CFG_PREFIX "sout-rtp-"
101 set_shortname( _("RTP"));
102 set_description( _("RTP stream output") );
103 set_capability( "sout stream", 0 );
104 add_shortcut( "rtp" );
105 set_category( CAT_SOUT );
106 set_subcategory( SUBCAT_SOUT_STREAM );
108 add_string( SOUT_CFG_PREFIX "dst", "", NULL, DST_TEXT,
109 DST_LONGTEXT, VLC_TRUE );
110 add_string( SOUT_CFG_PREFIX "sdp", "", NULL, SDP_TEXT,
111 SDP_LONGTEXT, VLC_TRUE );
112 add_string( SOUT_CFG_PREFIX "mux", "", NULL, MUX_TEXT,
113 MUX_LONGTEXT, VLC_TRUE );
115 add_string( SOUT_CFG_PREFIX "name", "NONE", NULL, NAME_TEXT,
116 NAME_LONGTEXT, VLC_TRUE );
117 add_string( SOUT_CFG_PREFIX "description", "", NULL, DESC_TEXT,
118 DESC_LONGTEXT, VLC_TRUE );
119 add_string( SOUT_CFG_PREFIX "url", "", NULL, URL_TEXT,
120 URL_LONGTEXT, VLC_TRUE );
121 add_string( SOUT_CFG_PREFIX "email", "", NULL, EMAIL_TEXT,
122 EMAIL_LONGTEXT, VLC_TRUE );
124 add_integer( SOUT_CFG_PREFIX "port", 1234, NULL, PORT_TEXT,
125 PORT_LONGTEXT, VLC_TRUE );
126 add_integer( SOUT_CFG_PREFIX "port-audio", 1230, NULL, PORT_AUDIO_TEXT,
127 PORT_AUDIO_LONGTEXT, VLC_TRUE );
128 add_integer( SOUT_CFG_PREFIX "port-video", 1232, NULL, PORT_VIDEO_TEXT,
129 PORT_VIDEO_LONGTEXT, VLC_TRUE );
131 add_integer( SOUT_CFG_PREFIX "ttl", 0, NULL, TTL_TEXT,
132 TTL_LONGTEXT, VLC_TRUE );
134 add_bool( SOUT_CFG_PREFIX "mp4a-latm", 0, NULL, RFC3016_TEXT,
135 RFC3016_LONGTEXT, VLC_FALSE );
137 set_callbacks( Open, Close );
140 /*****************************************************************************
141 * Exported prototypes
142 *****************************************************************************/
143 static const char *ppsz_sout_options[] = {
144 "dst", "name", "port", "port-audio", "port-video", "*sdp", "ttl", "mux",
145 "description", "url","email", "mp4a-latm", NULL
148 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
149 static int Del ( sout_stream_t *, sout_stream_id_t * );
150 static int Send( sout_stream_t *, sout_stream_id_t *,
153 /* For unicast/interleaved streaming */
157 int64_t i_last; /* for timeout */
159 /* is it in "play" state */
160 vlc_bool_t b_playing;
162 /* output (id-access) */
164 sout_stream_id_t **id;
166 sout_access_out_t **access;
169 struct sout_stream_sys_t
175 vlc_mutex_t lock_sdp;
177 char *psz_session_name;
178 char *psz_session_description;
179 char *psz_session_url;
180 char *psz_session_email;
183 vlc_bool_t b_export_sdp_file;
186 vlc_bool_t b_export_sap;
187 session_descriptor_t *p_session;
189 httpd_host_t *p_httpd_host;
190 httpd_file_t *p_httpd_file;
192 httpd_host_t *p_rtsp_host;
193 httpd_url_t *p_rtsp_url;
194 char *psz_rtsp_control;
198 char *psz_destination;
205 /* when need to use a private one or when using muxer */
208 /* in case we do TS/PS over rtp */
210 sout_access_out_t *p_access;
212 sout_access_out_t *p_grab;
214 uint32_t i_timestamp_start;
221 sout_stream_id_t **es;
225 rtsp_client_t **rtsp;
228 typedef int (*pf_rtp_packetizer_t)( sout_stream_t *, sout_stream_id_t *,
231 struct sout_stream_id_t
233 sout_stream_t *p_stream;
235 uint8_t i_payload_type;
237 uint32_t i_timestamp_start;
244 char *psz_destination;
248 /* Packetizer specific fields */
249 pf_rtp_packetizer_t pf_packetize;
252 /* for sending the packets */
253 sout_access_out_t *p_access;
255 vlc_mutex_t lock_rtsp;
257 sout_access_out_t **rtsp_access;
260 sout_input_t *p_input;
262 /* RTSP url control */
263 httpd_url_t *p_rtsp_url;
266 static int AccessOutGrabberWrite( sout_access_out_t *, block_t * );
268 static void SDPHandleUrl( sout_stream_t *, char * );
270 static int SapSetup( sout_stream_t *p_stream );
271 static int FileSetup( sout_stream_t *p_stream );
272 static int HttpSetup( sout_stream_t *p_stream, vlc_url_t * );
273 static int RtspSetup( sout_stream_t *p_stream, vlc_url_t * );
275 static int RtspCallback( httpd_callback_sys_t *, httpd_client_t *,
276 httpd_message_t *, httpd_message_t * );
277 static int RtspCallbackId( httpd_callback_sys_t *, httpd_client_t *,
278 httpd_message_t *, httpd_message_t * );
281 static rtsp_client_t *RtspClientNew( sout_stream_t *, char *psz_session );
282 static rtsp_client_t *RtspClientGet( sout_stream_t *, char *psz_session );
283 static void RtspClientDel( sout_stream_t *, rtsp_client_t * );
285 /*****************************************************************************
287 *****************************************************************************/
288 static int Open( vlc_object_t *p_this )
290 sout_stream_t *p_stream = (sout_stream_t*)p_this;
291 sout_instance_t *p_sout = p_stream->p_sout;
292 sout_stream_sys_t *p_sys = NULL;
293 sout_cfg_t *p_cfg = NULL;
295 vlc_bool_t b_rtsp = VLC_FALSE;
297 sout_CfgParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options, p_stream->p_cfg );
299 p_sys = malloc( sizeof( sout_stream_sys_t ) );
301 p_sys->psz_destination = var_GetString( p_stream, SOUT_CFG_PREFIX "dst" );
302 if( *p_sys->psz_destination == '\0' )
304 free( p_sys->psz_destination );
305 p_sys->psz_destination = NULL;
308 p_sys->psz_session_name = var_GetString( p_stream, SOUT_CFG_PREFIX "name" );
309 p_sys->psz_session_description = var_GetString( p_stream, SOUT_CFG_PREFIX "description" );
310 p_sys->psz_session_url = var_GetString( p_stream, SOUT_CFG_PREFIX "url" );
311 p_sys->psz_session_email = var_GetString( p_stream, SOUT_CFG_PREFIX "email" );
313 p_sys->i_port = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port" );
314 p_sys->i_port_audio = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port-audio" );
315 p_sys->i_port_video = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port-video" );
317 p_sys->psz_sdp_file = NULL;
319 if( p_sys->i_port_audio == p_sys->i_port_video )
321 msg_Err( p_stream, "audio and video port cannot be the same" );
322 p_sys->i_port_audio = 0;
323 p_sys->i_port_video = 0;
326 if( !p_sys->psz_session_name )
328 if( p_sys->psz_destination )
329 p_sys->psz_session_name = strdup( p_sys->psz_destination );
331 p_sys->psz_session_name = strdup( "NONE" );
334 for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
336 if( !strcmp( p_cfg->psz_name, "sdp" ) )
338 if( p_cfg->psz_value && !strncasecmp( p_cfg->psz_value, "rtsp", 4 ) )
348 var_Get( p_stream, SOUT_CFG_PREFIX "sdp", &val2 );
349 if( !strncasecmp( val2.psz_string, "rtsp", 4 ) )
351 free( val2.psz_string );
354 if( !p_sys->psz_destination || *p_sys->psz_destination == '\0' )
358 msg_Err( p_stream, "missing destination and not in rtsp mode" );
362 p_sys->psz_destination = NULL;
364 else if( p_sys->i_port <= 0 )
366 msg_Err( p_stream, "invalid port" );
371 var_Get( p_stream, SOUT_CFG_PREFIX "ttl", &val );
374 /* Normally, we should let the default hop limit up to the core,
375 * but we have to know it to build our SDP properly, which is why
376 * we ask the core. FIXME: broken when neither sout-rtp-ttl nor
378 val.i_int = config_GetInt( p_stream, "ttl" );
380 if( val.i_int > 255 ) val.i_int = 255;
381 /* must not exceed 999 once formatted */
385 msg_Err( p_stream, "illegal TTL %d", val.i_int );
389 p_sys->i_ttl = val.i_int;
392 var_Get( p_stream, SOUT_CFG_PREFIX "mp4a-latm", &val );
393 p_sys->b_latm = val.b_bool;
395 p_sys->i_payload_type = 96;
400 p_sys->psz_sdp = NULL;
402 p_sys->i_sdp_id = mdate();
403 p_sys->i_sdp_version = 1;
404 p_sys->psz_sdp = NULL;
406 p_sys->b_export_sap = VLC_FALSE;
407 p_sys->b_export_sdp_file = VLC_FALSE;
408 p_sys->p_session = NULL;
410 p_sys->p_httpd_host = NULL;
411 p_sys->p_httpd_file = NULL;
412 p_sys->p_rtsp_host = NULL;
413 p_sys->p_rtsp_url = NULL;
414 p_sys->psz_rtsp_control = NULL;
415 p_sys->psz_rtsp_path = NULL;
417 vlc_mutex_init( p_stream, &p_sys->lock_sdp );
418 vlc_mutex_init( p_stream, &p_sys->lock_es );
420 p_stream->pf_add = Add;
421 p_stream->pf_del = Del;
422 p_stream->pf_send = Send;
424 p_stream->p_sys = p_sys;
426 var_Get( p_stream, SOUT_CFG_PREFIX "mux", &val );
427 if( *val.psz_string )
429 sout_access_out_t *p_grab;
430 char *psz_rtpmap, url[NI_MAXHOST + 8], access[17], psz_ttl[5], ipv;
434 msg_Err( p_stream, "muxing is not supported in RTSP mode" );
438 else if( !p_sys->psz_destination || *p_sys->psz_destination == '\0' )
440 msg_Err( p_stream, "rtp needs a destination when muxing" );
445 /* Check muxer type */
446 if( !strncasecmp( val.psz_string, "ps", 2 ) || !strncasecmp( val.psz_string, "mpeg1", 5 ) )
448 psz_rtpmap = "MP2P/90000";
450 else if( !strncasecmp( val.psz_string, "ts", 2 ) )
452 psz_rtpmap = "MP2T/90000";
453 p_sys->i_payload_type = 33;
457 msg_Err( p_stream, "unsupported muxer type with rtp (only ts/ps)" );
462 /* create the access out */
463 if( p_sys->i_ttl > 0 )
465 sprintf( access, "udp{raw,ttl=%d}", p_sys->i_ttl );
469 sprintf( access, "udp{raw}" );
472 /* IPv6 needs brackets if not already present */
473 snprintf( url, sizeof( url ),
474 ( ( p_sys->psz_destination[0] != '[' )
475 && ( strchr( p_sys->psz_destination, ':' ) != NULL ) )
476 ? "[%s]:%d" : "%s:%d", p_sys->psz_destination,
478 url[sizeof( url ) - 1] = '\0';
479 /* FIXME: we should check that url is a numerical address, otherwise
480 * the SDP will be quite broken (regardless of the IP protocol version)
481 * Also it might be IPv6 with no ':' if it is a DNS name.
483 ipv = ( strchr( p_sys->psz_destination, ':' ) != NULL ) ? '6' : '4';
485 if( !( p_sys->p_access = sout_AccessOutNew( p_sout, access, url ) ) )
487 msg_Err( p_stream, "cannot create the access out for %s://%s",
492 p_sys->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beurk */
493 if( p_sys->i_mtu <= 16 + MTU_REDUCE )
495 /* better than nothing */
498 p_sys->i_mtu -= MTU_REDUCE;
500 /* the access out grabber TODO export it as sout_AccessOutGrabberNew */
501 p_grab = p_sys->p_grab =
502 vlc_object_create( p_sout, sizeof( sout_access_out_t ) );
503 p_grab->p_module = NULL;
504 p_grab->p_sout = p_sout;
505 p_grab->psz_access = strdup( "grab" );
506 p_grab->p_cfg = NULL;
507 p_grab->psz_name = strdup( "" );
508 p_grab->p_sys = (sout_access_out_sys_t*)p_stream;
509 p_grab->pf_seek = NULL;
510 p_grab->pf_write = AccessOutGrabberWrite;
513 if( !( p_sys->p_mux = sout_MuxNew( p_sout, val.psz_string, p_sys->p_grab ) ) )
515 msg_Err( p_stream, "cannot create the muxer (%s)", val.psz_string );
516 sout_AccessOutDelete( p_sys->p_grab );
517 sout_AccessOutDelete( p_sys->p_access );
522 /* create the SDP for a muxed stream (only once) */
523 /* FIXME http://www.faqs.org/rfcs/rfc2327.html
524 All text fields should be UTF-8 encoded. Use global a:charset to announce this.
525 o= - should be local username (no spaces allowed)
526 o= time should be hashed with some other value to garantue uniqueness
527 o= we need IP6 support?
528 o= don't use the localhost address. use fully qualified domain name or IP4 address
529 p= international phone number (pass via vars?)
531 a= recvonly (missing)
532 a= type:broadcast (missing)
533 a= charset: (normally charset should be UTF-8, this can be used to override s= and i=)
534 a= x-plgroup: (missing)
535 RTP packets need to get the correct src IP address */
536 if( net_AddressIsMulticast( (vlc_object_t *)p_stream, p_sys->psz_destination ) )
538 snprintf( psz_ttl, sizeof( psz_ttl ), "/%d", p_sys->i_ttl );
539 psz_ttl[sizeof( psz_ttl ) - 1] = '\0';
546 asprintf( &p_sys->psz_sdp,
548 /* FIXME: source address not known :( */
549 "o=- "I64Fd" %d IN IP%c %s\r\n"
554 "t=0 0\r\n" /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
555 "a=tool:"PACKAGE_STRING"\r\n"
557 "m=video %d RTP/AVP %d\r\n"
558 "a=rtpmap:%d %s\r\n",
559 p_sys->i_sdp_id, p_sys->i_sdp_version,
560 ipv, ipv == '6' ? "::1" : "127.0.0.1" /* FIXME */,
561 p_sys->psz_session_name,
562 p_sys->psz_session_description,
563 p_sys->psz_session_url,
564 p_sys->psz_session_email,
565 ipv, p_sys->psz_destination, psz_ttl,
566 p_sys->i_port, p_sys->i_payload_type,
567 p_sys->i_payload_type, psz_rtpmap );
568 msg_Dbg( p_stream, "sdp=%s", p_sys->psz_sdp );
570 /* create the rtp context */
571 p_sys->ssrc[0] = rand()&0xff;
572 p_sys->ssrc[1] = rand()&0xff;
573 p_sys->ssrc[2] = rand()&0xff;
574 p_sys->ssrc[3] = rand()&0xff;
575 p_sys->i_sequence = rand()&0xffff;
576 p_sys->i_timestamp_start = rand()&0xffffffff;
577 p_sys->packet = NULL;
582 p_sys->p_access = NULL;
583 p_sys->p_grab = NULL;
585 free( val.psz_string );
588 var_Get( p_stream, SOUT_CFG_PREFIX "sdp", &val );
589 if( *val.psz_string )
593 SDPHandleUrl( p_stream, val.psz_string );
595 for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
597 if( !strcmp( p_cfg->psz_name, "sdp" ) )
599 if( p_cfg->psz_value == NULL || *p_cfg->psz_value == '\0' )
602 if( !strcmp( p_cfg->psz_value, val.psz_string ) ) /* needed both :sout-rtp-sdp= and rtp{sdp=} can be used */
605 SDPHandleUrl( p_stream, p_cfg->psz_value );
609 free( val.psz_string );
611 /* update p_sout->i_out_pace_nocontrol */
612 p_stream->p_sout->i_out_pace_nocontrol++;
617 /*****************************************************************************
619 *****************************************************************************/
620 static void Close( vlc_object_t * p_this )
622 sout_stream_t *p_stream = (sout_stream_t*)p_this;
623 sout_stream_sys_t *p_sys = p_stream->p_sys;
625 /* update p_sout->i_out_pace_nocontrol */
626 p_stream->p_sout->i_out_pace_nocontrol--;
630 sout_MuxDelete( p_sys->p_mux );
631 sout_AccessOutDelete( p_sys->p_access );
632 sout_AccessOutDelete( p_sys->p_grab );
635 block_Release( p_sys->packet );
637 if( p_sys->b_export_sap )
640 SapSetup( p_stream );
644 while( p_sys->i_rtsp > 0 )
646 RtspClientDel( p_stream, p_sys->rtsp[0] );
649 vlc_mutex_destroy( &p_sys->lock_sdp );
651 if( p_sys->p_httpd_file )
653 httpd_FileDelete( p_sys->p_httpd_file );
655 if( p_sys->p_httpd_host )
657 httpd_HostDelete( p_sys->p_httpd_host );
659 if( p_sys->p_rtsp_url )
661 httpd_UrlDelete( p_sys->p_rtsp_url );
663 if( p_sys->p_rtsp_host )
665 httpd_HostDelete( p_sys->p_rtsp_host );
667 if( p_sys->psz_session_name )
669 free( p_sys->psz_session_name );
670 p_sys->psz_session_name = NULL;
672 if( p_sys->psz_session_description )
674 free( p_sys->psz_session_description );
675 p_sys->psz_session_description = NULL;
677 if( p_sys->psz_session_url )
679 free( p_sys->psz_session_url );
680 p_sys->psz_session_url = NULL;
682 if( p_sys->psz_session_email )
684 free( p_sys->psz_session_email );
685 p_sys->psz_session_email = NULL;
689 free( p_sys->psz_sdp );
690 p_sys->psz_sdp = NULL;
695 /*****************************************************************************
697 *****************************************************************************/
698 static void SDPHandleUrl( sout_stream_t *p_stream, char *psz_url )
700 sout_stream_sys_t *p_sys = p_stream->p_sys;
703 vlc_UrlParse( &url, psz_url, 0 );
704 if( url.psz_protocol && !strcasecmp( url.psz_protocol, "http" ) )
706 if( p_sys->p_httpd_file )
708 msg_Err( p_stream, "you can use sdp=http:// only once" );
712 if( HttpSetup( p_stream, &url ) )
714 msg_Err( p_stream, "cannot export sdp as http" );
717 else if( url.psz_protocol && !strcasecmp( url.psz_protocol, "rtsp" ) )
719 if( p_sys->p_rtsp_url )
721 msg_Err( p_stream, "you can use sdp=rtsp:// only once" );
725 /* FIXME test if destination is multicast or no destination at all FIXME */
726 if( RtspSetup( p_stream, &url ) )
728 msg_Err( p_stream, "cannot export sdp as rtsp" );
731 else if( ( url.psz_protocol && !strcasecmp( url.psz_protocol, "sap" ) ) ||
732 ( url.psz_host && !strcasecmp( url.psz_host, "sap" ) ) )
734 p_sys->b_export_sap = VLC_TRUE;
735 SapSetup( p_stream );
737 else if( url.psz_protocol && !strcasecmp( url.psz_protocol, "file" ) )
739 if( p_sys->b_export_sdp_file )
741 msg_Err( p_stream, "you can use sdp=file:// only once" );
744 p_sys->b_export_sdp_file = VLC_TRUE;
745 psz_url = &psz_url[5];
746 if( psz_url[0] == '/' && psz_url[1] == '/' )
748 p_sys->psz_sdp_file = strdup( psz_url );
752 msg_Warn( p_stream, "unknown protocol for SDP (%s)",
755 vlc_UrlClean( &url );
758 /*****************************************************************************
760 *****************************************************************************/
761 /* FIXME http://www.faqs.org/rfcs/rfc2327.html
762 All text fields should be UTF-8 encoded. Use global a:charset to announce this.
763 o= - should be local username (no spaces allowed)
764 o= time should be hashed with some other value to garantue uniqueness
765 o= we need IP6 support?
766 o= don't use the localhost address. use fully qualified domain name or IP4 address
767 p= international phone number (pass via vars?)
769 a= recvonly (missing)
770 a= type:broadcast (missing)
771 a= charset: (normally charset should be UTF-8, this can be used to override s= and i=)
772 a= x-plgroup: (missing)
773 RTP packets need to get the correct src IP address */
774 static char *SDPGenerate( const sout_stream_t *p_stream,
775 const char *psz_destination, vlc_bool_t b_rtsp )
777 sout_stream_sys_t *p_sys = p_stream->p_sys;
779 char *psz_sdp, *p, ipv;
782 /* FIXME: breaks IP version check on unknown destination */
783 if( psz_destination == NULL )
784 psz_destination = "0.0.0.0";
786 i_size = sizeof( "v=0\r\n" ) +
787 sizeof( "o=- * * IN IP4 127.0.0.1\r\n" ) + 10 + 10 +
788 sizeof( "s=*\r\n" ) + strlen( p_sys->psz_session_name ) +
789 sizeof( "i=*\r\n" ) + strlen( p_sys->psz_session_description ) +
790 sizeof( "u=*\r\n" ) + strlen( p_sys->psz_session_url ) +
791 sizeof( "e=*\r\n" ) + strlen( p_sys->psz_session_email ) +
792 sizeof( "t=0 0\r\n" ) + /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
793 sizeof( "a=tool:"PACKAGE_STRING"\r\n" ) +
794 sizeof( "c=IN IP4 */*\r\n" ) + 20 + 10 +
795 strlen( psz_destination ) ;
796 for( i = 0; i < p_sys->i_es; i++ )
798 sout_stream_id_t *id = p_sys->es[i];
800 i_size += strlen( "m=**d*o * RTP/AVP *\r\n" ) + 10 + 10;
803 i_size += strlen( "a=rtpmap:* *\r\n" ) + strlen( id->psz_rtpmap )+10;
807 i_size += strlen( "a=fmtp:* *\r\n" ) + strlen( id->psz_fmtp ) + 10;
811 i_size += strlen( "a=control:*/trackID=*\r\n" ) + strlen( p_sys->psz_rtsp_control ) + 10;
816 i_size += strlen( "m=video %d RTP/AVP %d\r\n" ) +10 +10;
819 ipv = ( strchr( psz_destination, ':' ) != NULL ) ? '6' : '4';
821 p = psz_sdp = malloc( i_size );
822 p += sprintf( p, "v=0\r\n" );
823 p += sprintf( p, "o=- "I64Fd" %d IN IP%c %s\r\n",
824 p_sys->i_sdp_id, p_sys->i_sdp_version,
825 ipv, ipv == '6' ? "::" : "127.0.0.1" );
826 if( *p_sys->psz_session_name )
827 p += sprintf( p, "s=%s\r\n", p_sys->psz_session_name );
828 if( *p_sys->psz_session_description )
829 p += sprintf( p, "i=%s\r\n", p_sys->psz_session_description );
830 if( *p_sys->psz_session_url )
831 p += sprintf( p, "u=%s\r\n", p_sys->psz_session_url );
832 if( *p_sys->psz_session_email )
833 p += sprintf( p, "e=%s\r\n", p_sys->psz_session_email );
835 p += sprintf( p, "t=0 0\r\n" ); /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
836 p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" );
838 p += sprintf( p, "c=IN IP%c %s", ipv, psz_destination );
840 if( net_AddressIsMulticast( (vlc_object_t *)p_stream, psz_destination ) )
842 /* Add the ttl if it is a multicast address */
843 /* FIXME: 1 is not a correct default value in the case of IPv6 */
844 p += sprintf( p, "/%d\r\n", p_sys->i_ttl ?: 1 );
848 p += sprintf( p, "\r\n" );
851 for( i = 0; i < p_sys->i_es; i++ )
853 sout_stream_id_t *id = p_sys->es[i];
855 if( id->i_cat == AUDIO_ES )
857 p += sprintf( p, "m=audio %d RTP/AVP %d\r\n",
858 id->i_port, id->i_payload_type );
860 else if( id->i_cat == VIDEO_ES )
862 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
863 id->i_port, id->i_payload_type );
871 p += sprintf( p, "a=rtpmap:%d %s\r\n", id->i_payload_type,
876 p += sprintf( p, "a=fmtp:%d %s\r\n", id->i_payload_type,
881 p += sprintf( p, "a=control:trackID=%d\r\n", i );
886 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
887 p_sys->i_port, p_sys->i_payload_type );
893 /*****************************************************************************
895 *****************************************************************************/
896 static int rtp_packetize_l16 ( sout_stream_t *, sout_stream_id_t *, block_t * );
897 static int rtp_packetize_l8 ( sout_stream_t *, sout_stream_id_t *, block_t * );
898 static int rtp_packetize_mpa ( sout_stream_t *, sout_stream_id_t *, block_t * );
899 static int rtp_packetize_mpv ( sout_stream_t *, sout_stream_id_t *, block_t * );
900 static int rtp_packetize_ac3 ( sout_stream_t *, sout_stream_id_t *, block_t * );
901 static int rtp_packetize_split( sout_stream_t *, sout_stream_id_t *, block_t * );
902 static int rtp_packetize_mp4a ( sout_stream_t *, sout_stream_id_t *, block_t * );
903 static int rtp_packetize_mp4a_latm ( sout_stream_t *, sout_stream_id_t *, block_t * );
904 static int rtp_packetize_h263 ( sout_stream_t *, sout_stream_id_t *, block_t * );
905 static int rtp_packetize_h264 ( sout_stream_t *, sout_stream_id_t *, block_t * );
906 static int rtp_packetize_amr ( sout_stream_t *, sout_stream_id_t *, block_t * );
908 static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
910 static const char hex[16] = "0123456789abcdef";
913 for( i = 0; i < i_data; i++ )
915 s[2*i+0] = hex[(p_data[i]>>4)&0xf];
916 s[2*i+1] = hex[(p_data[i] )&0xf];
921 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
923 sout_instance_t *p_sout = p_stream->p_sout;
924 sout_stream_sys_t *p_sys = p_stream->p_sys;
925 sout_stream_id_t *id;
926 sout_access_out_t *p_access = NULL;
930 if( p_sys->p_mux != NULL )
932 sout_input_t *p_input = NULL;
933 if( ( p_input = sout_MuxAddStream( p_sys->p_mux, p_fmt ) ) == NULL )
935 msg_Err( p_stream, "cannot add this stream to the muxer" );
939 id = malloc( sizeof( sout_stream_id_t ) );
940 memset( id, 0, sizeof( sout_stream_id_t ) );
942 id->p_input = p_input;
943 id->pf_packetize= NULL;
944 id->p_rtsp_url = NULL;
950 /* Choose the port */
952 if( p_fmt->i_cat == AUDIO_ES && p_sys->i_port_audio > 0 )
954 i_port = p_sys->i_port_audio;
955 p_sys->i_port_audio = 0;
957 else if( p_fmt->i_cat == VIDEO_ES && p_sys->i_port_video > 0 )
959 i_port = p_sys->i_port_video;
960 p_sys->i_port_video = 0;
964 if( p_sys->i_port != p_sys->i_port_audio && p_sys->i_port != p_sys->i_port_video )
966 i_port = p_sys->i_port;
973 if( p_sys->psz_destination )
976 char url[NI_MAXHOST + 8];
978 /* first try to create the access out */
981 snprintf( access, sizeof( access ), "udp{raw,ttl=%d}",
983 access[sizeof( access ) - 1] = '\0';
986 strcpy( access, "udp{raw}" );
988 snprintf( url, sizeof( url ), (( p_sys->psz_destination[0] != '[' ) &&
989 strchr( p_sys->psz_destination, ':' )) ? "[%s]:%d" : "%s:%d",
990 p_sys->psz_destination, i_port );
991 url[sizeof( url ) - 1] = '\0';
993 if( ( p_access = sout_AccessOutNew( p_sout, access, url ) ) == NULL )
995 msg_Err( p_stream, "cannot create the access out for %s://%s",
999 msg_Dbg( p_stream, "access out %s:%s", access, url );
1002 /* not create the rtp specific stuff */
1003 id = malloc( sizeof( sout_stream_id_t ) );
1004 memset( id, 0, sizeof( sout_stream_id_t ) );
1005 id->p_stream = p_stream;
1006 id->p_access = p_access;
1008 id->psz_rtpmap = NULL;
1009 id->psz_fmtp = NULL;
1010 id->psz_destination = p_sys->psz_destination ? strdup( p_sys->psz_destination ) : NULL;
1011 id->i_port = i_port;
1012 id->p_rtsp_url = NULL;
1013 vlc_mutex_init( p_stream, &id->lock_rtsp );
1014 id->i_rtsp_access = 0;
1015 id->rtsp_access = NULL;
1017 switch( p_fmt->i_codec )
1019 case VLC_FOURCC( 's', '1', '6', 'b' ):
1020 if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
1022 id->i_payload_type = 11;
1024 else if( p_fmt->audio.i_channels == 2 &&
1025 p_fmt->audio.i_rate == 44100 )
1027 id->i_payload_type = 10;
1031 id->i_payload_type = p_sys->i_payload_type++;
1033 id->psz_rtpmap = malloc( strlen( "L16/*/*" ) + 20+1 );
1034 sprintf( id->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
1035 p_fmt->audio.i_channels );
1036 id->i_clock_rate = p_fmt->audio.i_rate;
1037 id->pf_packetize = rtp_packetize_l16;
1039 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
1040 id->i_payload_type = p_sys->i_payload_type++;
1041 id->psz_rtpmap = malloc( strlen( "L8/*/*" ) + 20+1 );
1042 sprintf( id->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
1043 p_fmt->audio.i_channels );
1044 id->i_clock_rate = p_fmt->audio.i_rate;
1045 id->pf_packetize = rtp_packetize_l8;
1047 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
1048 id->i_payload_type = 14;
1049 id->i_clock_rate = 90000;
1050 id->psz_rtpmap = strdup( "MPA/90000" );
1051 id->pf_packetize = rtp_packetize_mpa;
1053 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
1054 id->i_payload_type = 32;
1055 id->i_clock_rate = 90000;
1056 id->psz_rtpmap = strdup( "MPV/90000" );
1057 id->pf_packetize = rtp_packetize_mpv;
1059 case VLC_FOURCC( 'a', '5', '2', ' ' ):
1060 id->i_payload_type = p_sys->i_payload_type++;
1061 id->i_clock_rate = 90000;
1062 id->psz_rtpmap = strdup( "ac3/90000" );
1063 id->pf_packetize = rtp_packetize_ac3;
1065 case VLC_FOURCC( 'H', '2', '6', '3' ):
1066 id->i_payload_type = p_sys->i_payload_type++;
1067 id->i_clock_rate = 90000;
1068 id->psz_rtpmap = strdup( "H263-1998/90000" );
1069 id->pf_packetize = rtp_packetize_h263;
1071 case VLC_FOURCC( 'h', '2', '6', '4' ):
1072 id->i_payload_type = p_sys->i_payload_type++;
1073 id->i_clock_rate = 90000;
1074 id->psz_rtpmap = strdup( "H264/90000" );
1075 id->pf_packetize = rtp_packetize_h264;
1076 id->psz_fmtp = strdup( "packetization-mode=1" );
1079 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
1081 char hexa[2*p_fmt->i_extra +1];
1083 id->i_payload_type = p_sys->i_payload_type++;
1084 id->i_clock_rate = 90000;
1085 id->psz_rtpmap = strdup( "MP4V-ES/90000" );
1086 id->pf_packetize = rtp_packetize_split;
1087 if( p_fmt->i_extra > 0 )
1089 id->psz_fmtp = malloc( 100 + 2 * p_fmt->i_extra );
1090 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
1091 sprintf( id->psz_fmtp,
1092 "profile-level-id=3; config=%s;", hexa );
1096 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
1098 id->i_payload_type = p_sys->i_payload_type++;
1099 id->i_clock_rate = p_fmt->audio.i_rate;
1103 char hexa[2*p_fmt->i_extra +1];
1105 id->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
1106 sprintf( id->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
1107 id->pf_packetize = rtp_packetize_mp4a;
1108 id->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
1109 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
1110 sprintf( id->psz_fmtp,
1111 "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
1112 "config=%s; SizeLength=13;IndexLength=3; "
1113 "IndexDeltaLength=3; Profile=1;", hexa );
1119 unsigned char config[6];
1120 unsigned int aacsrates[15] = {
1121 96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
1122 16000, 12000, 11025, 8000, 7350, 0, 0 };
1124 for( i = 0; i < 15; i++ )
1125 if( p_fmt->audio.i_rate == aacsrates[i] )
1131 config[3]=p_fmt->audio.i_channels<<4;
1135 asprintf( &id->psz_rtpmap, "MP4A-LATM/%d/%d",
1136 p_fmt->audio.i_rate, p_fmt->audio.i_channels );
1137 id->pf_packetize = rtp_packetize_mp4a_latm;
1138 sprintf_hexa( hexa, config, 6 );
1139 asprintf( &id->psz_fmtp, "profile-level-id=15; "
1140 "object=2; cpresent=0; config=%s", hexa );
1144 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
1145 id->i_payload_type = p_sys->i_payload_type++;
1146 id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
1147 "AMR/8000/2" : "AMR/8000" );
1148 id->psz_fmtp = strdup( "octet-align=1" );
1149 id->i_clock_rate = p_fmt->audio.i_rate;
1150 id->pf_packetize = rtp_packetize_amr;
1152 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
1153 id->i_payload_type = p_sys->i_payload_type++;
1154 id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
1155 "AMR-WB/16000/2" : "AMR-WB/16000" );
1156 id->psz_fmtp = strdup( "octet-align=1" );
1157 id->i_clock_rate = p_fmt->audio.i_rate;
1158 id->pf_packetize = rtp_packetize_amr;
1162 msg_Err( p_stream, "cannot add this stream (unsupported "
1163 "codec:%4.4s)", (char*)&p_fmt->i_codec );
1166 sout_AccessOutDelete( p_access );
1171 id->i_cat = p_fmt->i_cat;
1173 id->ssrc[0] = rand()&0xff;
1174 id->ssrc[1] = rand()&0xff;
1175 id->ssrc[2] = rand()&0xff;
1176 id->ssrc[3] = rand()&0xff;
1177 id->i_sequence = rand()&0xffff;
1178 id->i_timestamp_start = rand()&0xffffffff;
1180 id->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beuk */
1181 if( id->i_mtu <= 16 + MTU_REDUCE )
1183 /* better than nothing */
1186 id->i_mtu -= MTU_REDUCE;
1187 msg_Dbg( p_stream, "maximum RTP packet size: %d bytes", id->i_mtu );
1189 if( p_sys->p_rtsp_url )
1191 char psz_urlc[strlen( p_sys->psz_rtsp_control ) + 1 + 10];
1193 sprintf( psz_urlc, "%s/trackID=%d", p_sys->psz_rtsp_path, p_sys->i_es );
1194 msg_Dbg( p_stream, "rtsp: adding %s\n", psz_urlc );
1195 id->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, psz_urlc, NULL, NULL, NULL );
1197 if( id->p_rtsp_url )
1199 httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_SETUP, RtspCallbackId, (void*)id );
1200 //httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
1201 //httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
1206 /* Update p_sys context */
1207 vlc_mutex_lock( &p_sys->lock_es );
1208 TAB_APPEND( p_sys->i_es, p_sys->es, id );
1209 vlc_mutex_unlock( &p_sys->lock_es );
1211 psz_sdp = SDPGenerate( p_stream, p_sys->psz_destination, VLC_FALSE );
1213 vlc_mutex_lock( &p_sys->lock_sdp );
1214 free( p_sys->psz_sdp );
1215 p_sys->psz_sdp = psz_sdp;
1216 vlc_mutex_unlock( &p_sys->lock_sdp );
1218 p_sys->i_sdp_version++;
1220 msg_Dbg( p_stream, "sdp=%s", p_sys->psz_sdp );
1222 /* Update SDP (sap/file) */
1223 if( p_sys->b_export_sap ) SapSetup( p_stream );
1224 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
1229 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
1231 sout_stream_sys_t *p_sys = p_stream->p_sys;
1233 vlc_mutex_lock( &p_sys->lock_es );
1234 TAB_REMOVE( p_sys->i_es, p_sys->es, id );
1235 vlc_mutex_unlock( &p_sys->lock_es );
1238 if( id->i_port > 0 )
1240 if( id->i_cat == AUDIO_ES && p_sys->i_port_audio == 0 )
1241 p_sys->i_port_audio = id->i_port;
1242 else if( id->i_cat == VIDEO_ES && p_sys->i_port_video == 0 )
1243 p_sys->i_port_video = id->i_port;
1248 if( id->psz_rtpmap )
1250 free( id->psz_rtpmap );
1254 free( id->psz_fmtp );
1256 if( id->psz_destination )
1257 free( id->psz_destination );
1258 sout_AccessOutDelete( id->p_access );
1260 else if( id->p_input )
1262 sout_MuxDeleteStream( p_sys->p_mux, id->p_input );
1264 if( id->p_rtsp_url )
1266 httpd_UrlDelete( id->p_rtsp_url );
1268 vlc_mutex_destroy( &id->lock_rtsp );
1269 if( id->rtsp_access ) free( id->rtsp_access );
1271 /* Update SDP (sap/file) */
1272 if( p_sys->b_export_sap && !p_sys->p_mux ) SapSetup( p_stream );
1273 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
1279 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
1284 if( p_stream->p_sys->p_mux )
1286 sout_MuxSendBuffer( p_stream->p_sys->p_mux, id->p_input, p_buffer );
1292 p_next = p_buffer->p_next;
1293 if( id->pf_packetize( p_stream, id, p_buffer ) )
1297 block_Release( p_buffer );
1305 static int AccessOutGrabberWriteBuffer( sout_stream_t *p_stream,
1308 sout_stream_sys_t *p_sys = p_stream->p_sys;
1310 int64_t i_dts = p_buffer->i_dts;
1311 uint32_t i_timestamp = i_dts * 9 / 100;
1313 uint8_t *p_data = p_buffer->p_buffer;
1314 unsigned int i_data = p_buffer->i_buffer;
1315 unsigned int i_max = p_sys->i_mtu - 12;
1317 unsigned i_packet = ( p_buffer->i_buffer + i_max - 1 ) / i_max;
1321 unsigned int i_size;
1323 /* output complete packet */
1324 if( p_sys->packet &&
1325 p_sys->packet->i_buffer + i_data > i_max )
1327 sout_AccessOutWrite( p_sys->p_access, p_sys->packet );
1328 p_sys->packet = NULL;
1331 if( p_sys->packet == NULL )
1333 /* allocate a new packet */
1334 p_sys->packet = block_New( p_stream, p_sys->i_mtu );
1335 p_sys->packet->p_buffer[ 0] = 0x80;
1336 p_sys->packet->p_buffer[ 1] = 0x80|p_sys->i_payload_type;
1337 p_sys->packet->p_buffer[ 2] = ( p_sys->i_sequence >> 8)&0xff;
1338 p_sys->packet->p_buffer[ 3] = ( p_sys->i_sequence )&0xff;
1339 p_sys->packet->p_buffer[ 4] = ( i_timestamp >> 24 )&0xff;
1340 p_sys->packet->p_buffer[ 5] = ( i_timestamp >> 16 )&0xff;
1341 p_sys->packet->p_buffer[ 6] = ( i_timestamp >> 8 )&0xff;
1342 p_sys->packet->p_buffer[ 7] = ( i_timestamp )&0xff;
1343 p_sys->packet->p_buffer[ 8] = p_sys->ssrc[0];
1344 p_sys->packet->p_buffer[ 9] = p_sys->ssrc[1];
1345 p_sys->packet->p_buffer[10] = p_sys->ssrc[2];
1346 p_sys->packet->p_buffer[11] = p_sys->ssrc[3];
1347 p_sys->packet->i_buffer = 12;
1349 p_sys->packet->i_dts = i_dts;
1350 p_sys->packet->i_length = p_buffer->i_length / i_packet;
1351 i_dts += p_sys->packet->i_length;
1353 p_sys->i_sequence++;
1356 i_size = __MIN( i_data,
1357 (unsigned)(p_sys->i_mtu - p_sys->packet->i_buffer) );
1359 memcpy( &p_sys->packet->p_buffer[p_sys->packet->i_buffer],
1362 p_sys->packet->i_buffer += i_size;
1370 static int AccessOutGrabberWrite( sout_access_out_t *p_access,
1373 sout_stream_t *p_stream = (sout_stream_t*)p_access->p_sys;
1375 //fprintf( stderr, "received buffer size=%d\n", p_buffer->i_buffer );
1381 AccessOutGrabberWriteBuffer( p_stream, p_buffer );
1383 p_next = p_buffer->p_next;
1384 block_Release( p_buffer );
1391 /****************************************************************************
1393 ****************************************************************************/
1394 static int SapSetup( sout_stream_t *p_stream )
1396 sout_stream_sys_t *p_sys = p_stream->p_sys;
1397 sout_instance_t *p_sout = p_stream->p_sout;
1398 announce_method_t *p_method = sout_AnnounceMethodCreate( METHOD_TYPE_SAP );
1400 /* Remove the previous session */
1401 if( p_sys->p_session != NULL)
1403 sout_AnnounceUnRegister( p_sout, p_sys->p_session);
1404 sout_AnnounceSessionDestroy( p_sys->p_session );
1405 p_sys->p_session = NULL;
1408 if( ( p_sys->i_es > 0 || p_sys->p_mux ) && p_sys->psz_sdp && *p_sys->psz_sdp )
1410 p_sys->p_session = sout_AnnounceRegisterSDP( p_sout, p_sys->psz_sdp,
1411 p_sys->psz_destination,
1419 /****************************************************************************
1421 ****************************************************************************/
1422 static int FileSetup( sout_stream_t *p_stream )
1424 sout_stream_sys_t *p_sys = p_stream->p_sys;
1427 if( ( f = utf8_fopen( p_sys->psz_sdp_file, "wt" ) ) == NULL )
1429 msg_Err( p_stream, "cannot open file '%s' (%s)",
1430 p_sys->psz_sdp_file, strerror(errno) );
1431 return VLC_EGENERIC;
1434 fprintf( f, "%s", p_sys->psz_sdp );
1440 /****************************************************************************
1442 ****************************************************************************/
1443 static int HttpCallback( httpd_file_sys_t *p_args,
1444 httpd_file_t *, uint8_t *p_request,
1445 uint8_t **pp_data, int *pi_data );
1447 static int HttpSetup( sout_stream_t *p_stream, vlc_url_t *url)
1449 sout_stream_sys_t *p_sys = p_stream->p_sys;
1451 p_sys->p_httpd_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 80 );
1452 if( p_sys->p_httpd_host )
1454 p_sys->p_httpd_file = httpd_FileNew( p_sys->p_httpd_host,
1455 url->psz_path ? url->psz_path : "/",
1458 HttpCallback, (void*)p_sys );
1460 if( p_sys->p_httpd_file == NULL )
1462 return VLC_EGENERIC;
1467 static int HttpCallback( httpd_file_sys_t *p_args,
1468 httpd_file_t *f, uint8_t *p_request,
1469 uint8_t **pp_data, int *pi_data )
1471 sout_stream_sys_t *p_sys = (sout_stream_sys_t*)p_args;
1473 vlc_mutex_lock( &p_sys->lock_sdp );
1474 if( p_sys->psz_sdp && *p_sys->psz_sdp )
1476 *pi_data = strlen( p_sys->psz_sdp );
1477 *pp_data = malloc( *pi_data );
1478 memcpy( *pp_data, p_sys->psz_sdp, *pi_data );
1485 vlc_mutex_unlock( &p_sys->lock_sdp );
1490 /****************************************************************************
1492 ****************************************************************************/
1493 static rtsp_client_t *RtspClientNew( sout_stream_t *p_stream, char *psz_session )
1495 rtsp_client_t *rtsp = malloc( sizeof( rtsp_client_t ));
1497 rtsp->psz_session = psz_session;
1499 rtsp->b_playing = VLC_FALSE;
1503 rtsp->access = NULL;
1505 TAB_APPEND( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
1509 static rtsp_client_t *RtspClientGet( sout_stream_t *p_stream, char *psz_session )
1513 if( psz_session ) return NULL;
1515 for( i = 0; i < p_stream->p_sys->i_rtsp; i++ )
1517 if( !strcmp( p_stream->p_sys->rtsp[i]->psz_session, psz_session ) )
1519 return p_stream->p_sys->rtsp[i];
1525 static void RtspClientDel( sout_stream_t *p_stream, rtsp_client_t *rtsp )
1528 TAB_REMOVE( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
1530 for( i = 0; i < rtsp->i_access; i++ )
1532 sout_AccessOutDelete( rtsp->access[i] );
1534 if( rtsp->id ) free( rtsp->id );
1535 if( rtsp->access ) free( rtsp->access );
1537 free( rtsp->psz_session );
1541 static int RtspSetup( sout_stream_t *p_stream, vlc_url_t *url )
1543 sout_stream_sys_t *p_sys = p_stream->p_sys;
1545 msg_Dbg( p_stream, "rtsp setup: %s : %d / %s\n", url->psz_host, url->i_port, url->psz_path );
1547 p_sys->p_rtsp_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 554 );
1548 if( p_sys->p_rtsp_host == NULL )
1550 return VLC_EGENERIC;
1553 p_sys->psz_rtsp_path = strdup( url->psz_path ? url->psz_path : "/" );
1554 p_sys->psz_rtsp_control = malloc (strlen( url->psz_host ) + 20 + strlen( p_sys->psz_rtsp_path ) + 1 );
1555 sprintf( p_sys->psz_rtsp_control, "rtsp://%s:%d%s",
1556 url->psz_host, url->i_port > 0 ? url->i_port : 554, p_sys->psz_rtsp_path );
1558 p_sys->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, p_sys->psz_rtsp_path, NULL, NULL, NULL );
1559 if( p_sys->p_rtsp_url == 0 )
1561 return VLC_EGENERIC;
1563 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_DESCRIBE, RtspCallback, (void*)p_stream );
1564 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
1565 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
1566 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_TEARDOWN, RtspCallback, (void*)p_stream );
1571 static int RtspCallback( httpd_callback_sys_t *p_args,
1573 httpd_message_t *answer, httpd_message_t *query )
1575 sout_stream_t *p_stream = (sout_stream_t*)p_args;
1576 sout_stream_sys_t *p_sys = p_stream->p_sys;
1577 char *psz_destination = p_sys->psz_destination;
1578 char *psz_session = NULL;
1579 char *psz_cseq = NULL;
1582 if( answer == NULL || query == NULL )
1586 //fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
1588 answer->i_proto = HTTPD_PROTO_RTSP;
1589 answer->i_version= query->i_version;
1590 answer->i_type = HTTPD_MSG_ANSWER;
1592 switch( query->i_type )
1594 case HTTPD_MSG_DESCRIBE:
1596 char *psz_sdp = SDPGenerate( p_stream, psz_destination ? psz_destination : "0.0.0.0", VLC_TRUE );
1598 answer->i_status = 200;
1599 answer->psz_status = strdup( "OK" );
1600 httpd_MsgAdd( answer, "Content-type", "%s", "application/sdp" );
1602 answer->p_body = (uint8_t *)psz_sdp;
1603 answer->i_body = strlen( psz_sdp );
1607 case HTTPD_MSG_PLAY:
1609 rtsp_client_t *rtsp;
1610 /* for now only multicast so easy */
1611 answer->i_status = 200;
1612 answer->psz_status = strdup( "OK" );
1614 answer->p_body = NULL;
1616 psz_session = httpd_MsgGet( query, "Session" );
1617 rtsp = RtspClientGet( p_stream, psz_session );
1618 if( rtsp && !rtsp->b_playing )
1622 rtsp->b_playing = VLC_TRUE;
1624 vlc_mutex_lock( &p_sys->lock_es );
1625 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
1627 sout_stream_id_t *id = rtsp->id[i_id];
1630 for( i = 0; i < p_sys->i_es; i++ )
1632 if( id == p_sys->es[i] )
1635 if( i >= p_sys->i_es ) continue;
1637 vlc_mutex_lock( &id->lock_rtsp );
1638 TAB_APPEND( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
1639 vlc_mutex_unlock( &id->lock_rtsp );
1641 vlc_mutex_unlock( &p_sys->lock_es );
1645 case HTTPD_MSG_PAUSE:
1647 return VLC_EGENERIC;
1648 case HTTPD_MSG_TEARDOWN:
1650 rtsp_client_t *rtsp;
1652 /* for now only multicast so easy again */
1653 answer->i_status = 200;
1654 answer->psz_status = strdup( "OK" );
1656 answer->p_body = NULL;
1658 psz_session = httpd_MsgGet( query, "Session" );
1659 rtsp = RtspClientGet( p_stream, psz_session );
1664 vlc_mutex_lock( &p_sys->lock_es );
1665 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
1667 sout_stream_id_t *id = rtsp->id[i_id];
1670 for( i = 0; i < p_sys->i_es; i++ )
1672 if( id == p_sys->es[i] )
1675 if( i >= p_sys->i_es ) continue;
1677 vlc_mutex_lock( &id->lock_rtsp );
1678 TAB_REMOVE( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
1679 vlc_mutex_unlock( &id->lock_rtsp );
1681 vlc_mutex_unlock( &p_sys->lock_es );
1683 RtspClientDel( p_stream, rtsp );
1689 return VLC_EGENERIC;
1691 httpd_MsgAdd( answer, "Server", PACKAGE_STRING );
1692 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1693 psz_cseq = httpd_MsgGet( query, "Cseq" );
1695 i_cseq = atoi( psz_cseq );
1698 httpd_MsgAdd( answer, "Cseq", "%d", i_cseq );
1699 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1703 httpd_MsgAdd( answer, "Session", "%s;timeout=5", psz_session );
1708 static int RtspCallbackId( httpd_callback_sys_t *p_args,
1710 httpd_message_t *answer, httpd_message_t *query )
1712 sout_stream_id_t *id = (sout_stream_id_t*)p_args;
1713 sout_stream_t *p_stream = id->p_stream;
1714 sout_stream_sys_t *p_sys = p_stream->p_sys;
1715 char *psz_session = NULL;
1716 char *psz_cseq = NULL;
1720 if( answer == NULL || query == NULL )
1724 //fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
1726 answer->i_proto = HTTPD_PROTO_RTSP;
1727 answer->i_version= query->i_version;
1728 answer->i_type = HTTPD_MSG_ANSWER;
1730 switch( query->i_type )
1732 case HTTPD_MSG_SETUP:
1734 char *psz_transport = httpd_MsgGet( query, "Transport" );
1736 //fprintf( stderr, "HTTPD_MSG_SETUP: transport=%s\n", psz_transport );
1738 if( strstr( psz_transport, "multicast" ) && id->psz_destination )
1740 //fprintf( stderr, "HTTPD_MSG_SETUP: multicast\n" );
1741 answer->i_status = 200;
1742 answer->psz_status = strdup( "OK" );
1744 answer->p_body = NULL;
1745 psz_session = httpd_MsgGet( query, "Session" );
1748 psz_session = malloc( 100 );
1749 sprintf( psz_session, "%d", rand() );
1751 httpd_MsgAdd( answer, "Transport",
1752 "RTP/AVP/UDP;destination=%s;port=%d-%d;ttl=%d",
1753 id->psz_destination, id->i_port,id->i_port+1,
1756 else if( strstr( psz_transport, "unicast" ) && strstr( psz_transport, "client_port=" ) )
1758 int i_port = atoi( strstr( psz_transport, "client_port=" ) + strlen("client_port=") );
1759 char ip[NI_MAXNUMERICHOST], psz_access[17], psz_url[NI_MAXNUMERICHOST + 8];
1761 sout_access_out_t *p_access;
1763 rtsp_client_t *rtsp = NULL;
1765 if( httpd_ClientIP( cl, ip ) == NULL )
1767 answer->i_status = 500;
1768 answer->psz_status = strdup( "Internal server error" );
1770 answer->p_body = NULL;
1774 //fprintf( stderr, "HTTPD_MSG_SETUP: unicast ip=%s port=%d\n", ip, i_port );
1776 psz_session = httpd_MsgGet( query, "Session" );
1779 psz_session = malloc( 100 );
1780 sprintf( psz_session, "%d", rand() );
1782 rtsp = RtspClientNew( p_stream, psz_session );
1786 rtsp = RtspClientGet( p_stream, psz_session );
1789 answer->i_status = 454;
1790 answer->psz_status = strdup( "Unknown session id" );
1792 answer->p_body = NULL;
1797 /* first try to create the access out */
1799 snprintf( psz_access, sizeof( psz_access ),
1800 "udp{raw,ttl=%d}", p_sys->i_ttl );
1802 strlcpy( psz_access, "udp{raw}", sizeof( psz_access ) );
1804 snprintf( psz_url, sizeof( psz_url ),
1805 ( strchr( ip, ':' ) != NULL ) ? "[%s]:%d" : "%s:%d",
1808 if( ( p_access = sout_AccessOutNew( p_stream->p_sout, psz_access, psz_url ) ) == NULL )
1810 msg_Err( p_stream, "cannot create the access out for %s://%s",
1811 psz_access, psz_url );
1812 answer->i_status = 500;
1813 answer->psz_status = strdup( "Internal server error" );
1815 answer->p_body = NULL;
1819 TAB_APPEND( rtsp->i_id, rtsp->id, id );
1820 TAB_APPEND( rtsp->i_access, rtsp->access, p_access );
1822 answer->i_status = 200;
1823 answer->psz_status = strdup( "OK" );
1825 answer->p_body = NULL;
1827 httpd_MsgAdd( answer, "Transport",
1828 "RTP/AVP/UDP;client_port=%d-%d", i_port, i_port + 1 );
1830 else /* TODO strstr( psz_transport, "interleaved" ) ) */
1832 answer->i_status = 461;
1833 answer->psz_status = strdup( "Unsupported Transport" );
1835 answer->p_body = NULL;
1841 return VLC_EGENERIC;
1843 httpd_MsgAdd( answer, "Server", "VLC Server" );
1844 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1845 psz_cseq = httpd_MsgGet( query, "Cseq" );
1847 i_cseq = atoi( psz_cseq );
1850 httpd_MsgAdd( answer, "Cseq", "%d", i_cseq );
1851 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1855 httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
1860 /****************************************************************************
1862 ****************************************************************************/
1863 static void rtp_packetize_common( sout_stream_id_t *id, block_t *out,
1864 int b_marker, int64_t i_pts )
1866 uint32_t i_timestamp = i_pts * (int64_t)id->i_clock_rate / I64C(1000000);
1868 out->p_buffer[0] = 0x80;
1869 out->p_buffer[1] = (b_marker?0x80:0x00)|id->i_payload_type;
1870 out->p_buffer[2] = ( id->i_sequence >> 8)&0xff;
1871 out->p_buffer[3] = ( id->i_sequence )&0xff;
1872 out->p_buffer[4] = ( i_timestamp >> 24 )&0xff;
1873 out->p_buffer[5] = ( i_timestamp >> 16 )&0xff;
1874 out->p_buffer[6] = ( i_timestamp >> 8 )&0xff;
1875 out->p_buffer[7] = ( i_timestamp )&0xff;
1877 out->p_buffer[ 8] = id->ssrc[0];
1878 out->p_buffer[ 9] = id->ssrc[1];
1879 out->p_buffer[10] = id->ssrc[2];
1880 out->p_buffer[11] = id->ssrc[3];
1886 static void rtp_packetize_send( sout_stream_id_t *id, block_t *out )
1889 vlc_mutex_lock( &id->lock_rtsp );
1890 for( i = 0; i < id->i_rtsp_access; i++ )
1892 sout_AccessOutWrite( id->rtsp_access[i], block_Duplicate( out ) );
1894 vlc_mutex_unlock( &id->lock_rtsp );
1898 sout_AccessOutWrite( id->p_access, out );
1902 block_Release( out );
1906 static int rtp_packetize_mpa( sout_stream_t *p_stream, sout_stream_id_t *id,
1909 int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
1910 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1912 uint8_t *p_data = in->p_buffer;
1913 int i_data = in->i_buffer;
1916 for( i = 0; i < i_count; i++ )
1918 int i_payload = __MIN( i_max, i_data );
1919 block_t *out = block_New( p_stream, 16 + i_payload );
1921 /* rtp common header */
1922 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
1924 out->p_buffer[12] = 0;
1925 out->p_buffer[13] = 0;
1926 /* fragment offset in the current frame */
1927 out->p_buffer[14] = ( (i*i_max) >> 8 )&0xff;
1928 out->p_buffer[15] = ( (i*i_max) )&0xff;
1929 memcpy( &out->p_buffer[16], p_data, i_payload );
1931 out->i_buffer = 16 + i_payload;
1932 out->i_dts = in->i_dts + i * in->i_length / i_count;
1933 out->i_length = in->i_length / i_count;
1935 rtp_packetize_send( id, out );
1937 p_data += i_payload;
1938 i_data -= i_payload;
1945 static int rtp_packetize_mpv( sout_stream_t *p_stream, sout_stream_id_t *id,
1948 int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
1949 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1951 uint8_t *p_data = in->p_buffer;
1952 int i_data = in->i_buffer;
1954 int b_sequence_start = 0;
1955 int i_temporal_ref = 0;
1956 int i_picture_coding_type = 0;
1957 int i_fbv = 0, i_bfc = 0, i_ffv = 0, i_ffc = 0;
1958 int b_start_slice = 0;
1960 /* preparse this packet to get some info */
1961 if( in->i_buffer > 4 )
1963 uint8_t *p = p_data;
1964 int i_rest = in->i_buffer;
1968 while( i_rest > 4 &&
1969 ( p[0] != 0x00 || p[1] != 0x00 || p[2] != 0x01 ) )
1983 /* sequence start code */
1984 b_sequence_start = 1;
1986 else if( *p == 0x00 && i_rest >= 4 )
1989 i_temporal_ref = ( p[1] << 2) |((p[2]>>6)&0x03);
1990 i_picture_coding_type = (p[2] >> 3)&0x07;
1992 if( i_rest >= 4 && ( i_picture_coding_type == 2 ||
1993 i_picture_coding_type == 3 ) )
1995 i_ffv = (p[3] >> 2)&0x01;
1996 i_ffc = ((p[3]&0x03) << 1)|((p[4]>>7)&0x01);
1997 if( i_rest > 4 && i_picture_coding_type == 3 )
1999 i_fbv = (p[4]>>6)&0x01;
2000 i_bfc = (p[4]>>3)&0x07;
2004 else if( *p <= 0xaf )
2011 for( i = 0; i < i_count; i++ )
2013 int i_payload = __MIN( i_max, i_data );
2014 block_t *out = block_New( p_stream,
2016 uint32_t h = ( i_temporal_ref << 16 )|
2017 ( b_sequence_start << 13 )|
2018 ( b_start_slice << 12 )|
2019 ( i == i_count - 1 ? 1 << 11 : 0 )|
2020 ( i_picture_coding_type << 8 )|
2021 ( i_fbv << 7 )|( i_bfc << 4 )|( i_ffv << 3 )|i_ffc;
2023 /* rtp common header */
2024 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
2025 in->i_pts > 0 ? in->i_pts : in->i_dts );
2027 /* 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 */
2028 out->p_buffer[12] = ( h >> 24 )&0xff;
2029 out->p_buffer[13] = ( h >> 16 )&0xff;
2030 out->p_buffer[14] = ( h >> 8 )&0xff;
2031 out->p_buffer[15] = ( h )&0xff;
2033 memcpy( &out->p_buffer[16], p_data, i_payload );
2035 out->i_buffer = 16 + i_payload;
2036 out->i_dts = in->i_dts + i * in->i_length / i_count;
2037 out->i_length = in->i_length / i_count;
2039 rtp_packetize_send( id, out );
2041 p_data += i_payload;
2042 i_data -= i_payload;
2048 static int rtp_packetize_ac3( sout_stream_t *p_stream, sout_stream_id_t *id,
2051 int i_max = id->i_mtu - 12 - 2; /* payload max in one packet */
2052 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2054 uint8_t *p_data = in->p_buffer;
2055 int i_data = in->i_buffer;
2058 for( i = 0; i < i_count; i++ )
2060 int i_payload = __MIN( i_max, i_data );
2061 block_t *out = block_New( p_stream, 14 + i_payload );
2063 /* rtp common header */
2064 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
2066 out->p_buffer[12] = 1;
2068 out->p_buffer[13] = 0x00;
2070 memcpy( &out->p_buffer[14], p_data, i_payload );
2072 out->i_buffer = 14 + i_payload;
2073 out->i_dts = in->i_dts + i * in->i_length / i_count;
2074 out->i_length = in->i_length / i_count;
2076 rtp_packetize_send( id, out );
2078 p_data += i_payload;
2079 i_data -= i_payload;
2085 static int rtp_packetize_split( sout_stream_t *p_stream, sout_stream_id_t *id,
2088 int i_max = id->i_mtu - 12; /* payload max in one packet */
2089 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2091 uint8_t *p_data = in->p_buffer;
2092 int i_data = in->i_buffer;
2095 for( i = 0; i < i_count; i++ )
2097 int i_payload = __MIN( i_max, i_data );
2098 block_t *out = block_New( p_stream, 12 + i_payload );
2100 /* rtp common header */
2101 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2102 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2103 memcpy( &out->p_buffer[12], p_data, i_payload );
2105 out->i_buffer = 12 + i_payload;
2106 out->i_dts = in->i_dts + i * in->i_length / i_count;
2107 out->i_length = in->i_length / i_count;
2109 rtp_packetize_send( id, out );
2111 p_data += i_payload;
2112 i_data -= i_payload;
2119 static int rtp_packetize_mp4a_latm( sout_stream_t *p_stream, sout_stream_id_t *id,
2122 int i_max = id->i_mtu - 14; /* payload max in one packet */
2123 int latmhdrsize = in->i_buffer / 0xff + 1;
2124 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2126 uint8_t *p_data = in->p_buffer, *p_header = NULL;
2127 int i_data = in->i_buffer;
2130 for( i = 0; i < i_count; i++ )
2132 int i_payload = __MIN( i_max, i_data );
2137 out = block_New( p_stream, 12 + latmhdrsize + i_payload );
2139 /* rtp common header */
2140 rtp_packetize_common( id, out, ((i == i_count - 1) ? 1 : 0),
2141 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2145 int tmp = in->i_buffer;
2147 p_header=out->p_buffer+12;
2157 memcpy( &out->p_buffer[12+latmhdrsize], p_data, i_payload );
2159 out->i_buffer = 12 + latmhdrsize + i_payload;
2160 out->i_dts = in->i_dts + i * in->i_length / i_count;
2161 out->i_length = in->i_length / i_count;
2163 rtp_packetize_send( id, out );
2165 p_data += i_payload;
2166 i_data -= i_payload;
2172 static int rtp_packetize_l16( sout_stream_t *p_stream, sout_stream_id_t *id,
2175 int i_max = id->i_mtu - 12; /* payload max in one packet */
2176 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2178 uint8_t *p_data = in->p_buffer;
2179 int i_data = in->i_buffer;
2184 int i_payload = (__MIN( i_max, i_data )/4)*4;
2185 block_t *out = block_New( p_stream, 12 + i_payload );
2187 /* rtp common header */
2188 rtp_packetize_common( id, out, 0,
2189 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2190 memcpy( &out->p_buffer[12], p_data, i_payload );
2192 out->i_buffer = 12 + i_payload;
2193 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
2194 out->i_length = in->i_length / i_count;
2196 rtp_packetize_send( id, out );
2198 p_data += i_payload;
2199 i_data -= i_payload;
2206 static int rtp_packetize_l8( sout_stream_t *p_stream, sout_stream_id_t *id,
2209 int i_max = id->i_mtu - 12; /* payload max in one packet */
2210 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2212 uint8_t *p_data = in->p_buffer;
2213 int i_data = in->i_buffer;
2218 int i_payload = (__MIN( i_max, i_data )/2)*2;
2219 block_t *out = block_New( p_stream, 12 + i_payload );
2221 /* rtp common header */
2222 rtp_packetize_common( id, out, 0,
2223 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2224 memcpy( &out->p_buffer[12], p_data, i_payload );
2226 out->i_buffer = 12 + i_payload;
2227 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
2228 out->i_length = in->i_length / i_count;
2230 rtp_packetize_send( id, out );
2232 p_data += i_payload;
2233 i_data -= i_payload;
2239 static int rtp_packetize_mp4a( sout_stream_t *p_stream, sout_stream_id_t *id,
2242 int i_max = id->i_mtu - 16; /* payload max in one packet */
2243 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2245 uint8_t *p_data = in->p_buffer;
2246 int i_data = in->i_buffer;
2249 for( i = 0; i < i_count; i++ )
2251 int i_payload = __MIN( i_max, i_data );
2252 block_t *out = block_New( p_stream, 16 + i_payload );
2254 /* rtp common header */
2255 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2256 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2258 /* AU headers length (bits) */
2259 out->p_buffer[12] = 0;
2260 out->p_buffer[13] = 2*8;
2261 /* for each AU length 13 bits + idx 3bits, */
2262 out->p_buffer[14] = ( in->i_buffer >> 5 )&0xff;
2263 out->p_buffer[15] = ( (in->i_buffer&0xff)<<3 )|0;
2265 memcpy( &out->p_buffer[16], p_data, i_payload );
2267 out->i_buffer = 16 + i_payload;
2268 out->i_dts = in->i_dts + i * in->i_length / i_count;
2269 out->i_length = in->i_length / i_count;
2271 rtp_packetize_send( id, out );
2273 p_data += i_payload;
2274 i_data -= i_payload;
2282 #define RTP_H263_HEADER_SIZE (2) // plen = 0
2283 #define RTP_H263_PAYLOAD_START (14) // plen = 0
2284 static int rtp_packetize_h263( sout_stream_t *p_stream, sout_stream_id_t *id,
2287 uint8_t *p_data = in->p_buffer;
2288 int i_data = in->i_buffer;
2290 int i_max = id->i_mtu - 12 - RTP_H263_HEADER_SIZE; /* payload max in one packet */
2293 int b_v_bit = 0; // no pesky error resilience
2294 int i_plen = 0; // normally plen=0 for PSC packet
2295 int i_pebit = 0; // because plen=0
2300 return VLC_EGENERIC;
2302 if( p_data[0] || p_data[1] )
2304 return VLC_EGENERIC;
2306 /* remove 2 leading 0 bytes */
2309 i_count = ( i_data + i_max - 1 ) / i_max;
2311 for( i = 0; i < i_count; i++ )
2313 int i_payload = __MIN( i_max, i_data );
2314 block_t *out = block_New( p_stream,
2315 RTP_H263_PAYLOAD_START + i_payload );
2316 b_p_bit = (i == 0) ? 1 : 0;
2317 h = ( b_p_bit << 10 )|
2322 /* rtp common header */
2323 //b_m_bit = 1; // always contains end of frame
2324 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
2325 in->i_pts > 0 ? in->i_pts : in->i_dts );
2328 out->p_buffer[12] = ( h >> 8 )&0xff;
2329 out->p_buffer[13] = ( h )&0xff;
2330 memcpy( &out->p_buffer[RTP_H263_PAYLOAD_START], p_data, i_payload );
2332 out->i_buffer = RTP_H263_PAYLOAD_START + i_payload;
2333 out->i_dts = in->i_dts + i * in->i_length / i_count;
2334 out->i_length = in->i_length / i_count;
2336 rtp_packetize_send( id, out );
2338 p_data += i_payload;
2339 i_data -= i_payload;
2346 static int rtp_packetize_h264( sout_stream_t *p_stream, sout_stream_id_t *id,
2349 int i_max = id->i_mtu - 12; /* payload max in one packet */
2350 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2351 uint8_t *p_data = in->p_buffer;
2352 int i_data = in->i_buffer;
2355 if( i_data <= i_max )
2360 uint8_t *p = p_data;
2361 int i_rest = in->i_buffer;
2363 while( i_rest > 4 &&
2364 ( p[0] != 0x00 || p[1] != 0x00 || p[2] != 0x01 ) )
2376 i_payload = __MIN( i_max, i_rest );
2377 out = block_New( p_stream, 12 + i_payload );
2379 /* rtp common header */
2380 rtp_packetize_common( id, out, 1,
2381 in->i_pts > 0 ? in->i_pts : in->i_dts );
2383 memcpy( &out->p_buffer[12], p, i_payload );
2385 out->i_buffer = 12 + i_payload;
2386 out->i_dts = in->i_dts;
2387 out->i_length = in->i_length;
2389 rtp_packetize_send( id, out );
2391 /*msg_Dbg( p_stream, "nal-out plain %d %02x", i_payload, out->p_buffer[16] );*/
2398 uint8_t *p = p_data;
2399 int i_rest = in->i_buffer;
2400 int start=1, end=0, first=0, nalh=-1;
2402 while( i_rest > 4 &&
2403 ( p[0] != 0x00 || p[1] != 0x00 || p[2] != 0x01 ) )
2419 i_max = id->i_mtu - 14;
2420 i_count = ( i_rest + i_max - 1 ) / i_max;
2422 /*msg_Dbg( p_stream, "nal-out fragmented %02x %d", nalh, i_rest);*/
2426 i_payload = __MIN( i_max, i_rest );
2427 out = block_New( p_stream, 14 + i_payload );
2429 if (i_rest==i_payload)
2432 /* rtp common header */
2433 rtp_packetize_common( id, out, (end)?1:0,
2434 in->i_pts > 0 ? in->i_pts : in->i_dts );
2437 out->p_buffer[12] = (nalh&0x60)|28;
2439 out->p_buffer[13] = (start<<7)|(end<<6)|(nalh&0x1f);
2441 memcpy( &out->p_buffer[14], p+first, i_payload );
2443 out->i_buffer = 14 + i_payload;
2445 // not sure what of these should be used and what it does :)
2446 out->i_dts = in->i_dts + i * in->i_length / i_count;
2447 out->i_length = in->i_length / i_count;
2448 //out->i_dts = in->i_dts;
2449 //out->i_length = in->i_length;
2451 rtp_packetize_send( id, out );
2453 /*msg_Dbg( p_stream, "nal-out fragmented: frag %d %d %02x %02x %d", start,end,
2454 out->p_buffer[12], out->p_buffer[13], i_payload );*/
2456 i_rest -= i_payload;
2465 static int rtp_packetize_amr( sout_stream_t *p_stream, sout_stream_id_t *id,
2468 int i_max = id->i_mtu - 14; /* payload max in one packet */
2469 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2471 uint8_t *p_data = in->p_buffer;
2472 int i_data = in->i_buffer;
2475 /* Only supports octet-aligned mode */
2476 for( i = 0; i < i_count; i++ )
2478 int i_payload = __MIN( i_max, i_data );
2479 block_t *out = block_New( p_stream, 14 + i_payload );
2481 /* rtp common header */
2482 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2483 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2484 /* Payload header */
2485 out->p_buffer[12] = 0xF0; /* CMR */
2486 out->p_buffer[13] = p_data[0]&0x7C; /* ToC */ /* FIXME: frame type */
2488 /* FIXME: are we fed multiple frames ? */
2489 memcpy( &out->p_buffer[14], p_data+1, i_payload-1 );
2491 out->i_buffer = 14 + i_payload-1;
2492 out->i_dts = in->i_dts + i * in->i_length / i_count;
2493 out->i_length = in->i_length / i_count;
2495 rtp_packetize_send( id, out );
2497 p_data += i_payload;
2498 i_data -= i_payload;