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 *****************************************************************************/
38 #include <vlc_block.h>
40 #include <vlc_httpd.h>
42 #include <vlc_network.h>
43 #include <vlc_charset.h>
45 /*****************************************************************************
47 *****************************************************************************/
51 #define DST_TEXT N_("Destination")
52 #define DST_LONGTEXT N_( \
53 "This is the output URL that will be used." )
54 #define SDP_TEXT N_("SDP")
55 #define SDP_LONGTEXT N_( \
56 "This allows you to specify how the SDP (Session Descriptor) for this RTP "\
57 "session will be made available. You must use an url: http://location to " \
58 "access the SDP via HTTP, rtsp://location for RTSP access, and sap:// " \
59 "for the SDP to be announced via SAP." )
60 #define MUX_TEXT N_("Muxer")
61 #define MUX_LONGTEXT N_( \
62 "This allows you to specify the muxer used for the streaming output. " \
63 "Default is to use no muxer (standard RTP stream)." )
65 #define NAME_TEXT N_("Session name")
66 #define NAME_LONGTEXT N_( \
67 "This is the name of the session that will be announced in the SDP " \
68 "(Session Descriptor)." )
69 #define DESC_TEXT N_("Session description")
70 #define DESC_LONGTEXT N_( \
71 "This allows you to give a broader description of the stream, that will " \
72 "be announced in the SDP (Session Descriptor)." )
73 #define URL_TEXT N_("Session URL")
74 #define URL_LONGTEXT N_( \
75 "This allows you to give an URL with more details about the stream " \
76 "(often the website of the streaming organization), that will " \
77 "be announced in the SDP (Session Descriptor)." )
78 #define EMAIL_TEXT N_("Session email")
79 #define EMAIL_LONGTEXT N_( \
80 "This allows you to give a contact mail address for the stream, that will " \
81 "be announced in the SDP (Session Descriptor)." )
82 #define PORT_TEXT N_("Port")
83 #define PORT_LONGTEXT N_( \
84 "This allows you to specify the base port for the RTP streaming." )
85 #define PORT_AUDIO_TEXT N_("Audio port")
86 #define PORT_AUDIO_LONGTEXT N_( \
87 "This allows you to specify the default audio port for the RTP streaming." )
88 #define PORT_VIDEO_TEXT N_("Video port")
89 #define PORT_VIDEO_LONGTEXT N_( \
90 "This allows you to specify the default video port for the RTP streaming." )
92 #define TTL_TEXT N_("Hop limit (TTL)")
93 #define TTL_LONGTEXT N_( \
94 "This is the hop limit (also known as \"Time-To-Live\" or TTL) of " \
95 "the multicast packets sent by the stream output (0 = use operating " \
96 "system built-in default).")
98 #define RFC3016_TEXT N_("MP4A LATM")
99 #define RFC3016_LONGTEXT N_( \
100 "This allows you to stream MPEG4 LATM audio streams (see RFC3016)." )
102 static int Open ( vlc_object_t * );
103 static void Close( vlc_object_t * );
105 #define SOUT_CFG_PREFIX "sout-rtp-"
108 set_shortname( _("RTP"));
109 set_description( _("RTP stream output") );
110 set_capability( "sout stream", 0 );
111 add_shortcut( "rtp" );
112 set_category( CAT_SOUT );
113 set_subcategory( SUBCAT_SOUT_STREAM );
115 add_string( SOUT_CFG_PREFIX "dst", "", NULL, DST_TEXT,
116 DST_LONGTEXT, VLC_TRUE );
117 add_string( SOUT_CFG_PREFIX "sdp", "", NULL, SDP_TEXT,
118 SDP_LONGTEXT, VLC_TRUE );
119 add_string( SOUT_CFG_PREFIX "mux", "", NULL, MUX_TEXT,
120 MUX_LONGTEXT, VLC_TRUE );
122 add_string( SOUT_CFG_PREFIX "name", "NONE", NULL, NAME_TEXT,
123 NAME_LONGTEXT, VLC_TRUE );
124 add_string( SOUT_CFG_PREFIX "description", "", NULL, DESC_TEXT,
125 DESC_LONGTEXT, VLC_TRUE );
126 add_string( SOUT_CFG_PREFIX "url", "", NULL, URL_TEXT,
127 URL_LONGTEXT, VLC_TRUE );
128 add_string( SOUT_CFG_PREFIX "email", "", NULL, EMAIL_TEXT,
129 EMAIL_LONGTEXT, VLC_TRUE );
131 add_integer( SOUT_CFG_PREFIX "port", 1234, NULL, PORT_TEXT,
132 PORT_LONGTEXT, VLC_TRUE );
133 add_integer( SOUT_CFG_PREFIX "port-audio", 1230, NULL, PORT_AUDIO_TEXT,
134 PORT_AUDIO_LONGTEXT, VLC_TRUE );
135 add_integer( SOUT_CFG_PREFIX "port-video", 1232, NULL, PORT_VIDEO_TEXT,
136 PORT_VIDEO_LONGTEXT, VLC_TRUE );
138 add_integer( SOUT_CFG_PREFIX "ttl", 0, NULL, TTL_TEXT,
139 TTL_LONGTEXT, VLC_TRUE );
141 add_bool( SOUT_CFG_PREFIX "mp4a-latm", 0, NULL, RFC3016_TEXT,
142 RFC3016_LONGTEXT, VLC_FALSE );
144 set_callbacks( Open, Close );
147 /*****************************************************************************
148 * Exported prototypes
149 *****************************************************************************/
150 static const char *ppsz_sout_options[] = {
151 "dst", "name", "port", "port-audio", "port-video", "*sdp", "ttl", "mux",
152 "description", "url","email", "mp4a-latm", NULL
155 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
156 static int Del ( sout_stream_t *, sout_stream_id_t * );
157 static int Send( sout_stream_t *, sout_stream_id_t *,
160 /* For unicast/interleaved streaming */
164 int64_t i_last; /* for timeout */
166 /* is it in "play" state */
167 vlc_bool_t b_playing;
169 /* output (id-access) */
171 sout_stream_id_t **id;
173 sout_access_out_t **access;
176 struct sout_stream_sys_t
182 vlc_mutex_t lock_sdp;
184 char *psz_session_name;
185 char *psz_session_description;
186 char *psz_session_url;
187 char *psz_session_email;
190 vlc_bool_t b_export_sdp_file;
193 vlc_bool_t b_export_sap;
194 session_descriptor_t *p_session;
196 httpd_host_t *p_httpd_host;
197 httpd_file_t *p_httpd_file;
199 httpd_host_t *p_rtsp_host;
200 httpd_url_t *p_rtsp_url;
201 char *psz_rtsp_control;
205 char *psz_destination;
212 /* when need to use a private one or when using muxer */
215 /* in case we do TS/PS over rtp */
217 sout_access_out_t *p_access;
219 sout_access_out_t *p_grab;
221 uint32_t i_timestamp_start;
228 sout_stream_id_t **es;
232 rtsp_client_t **rtsp;
235 typedef int (*pf_rtp_packetizer_t)( sout_stream_t *, sout_stream_id_t *,
238 struct sout_stream_id_t
240 sout_stream_t *p_stream;
242 uint8_t i_payload_type;
244 uint32_t i_timestamp_start;
251 char *psz_destination;
256 /* Packetizer specific fields */
257 pf_rtp_packetizer_t pf_packetize;
260 /* for sending the packets */
261 sout_access_out_t *p_access;
263 vlc_mutex_t lock_rtsp;
265 sout_access_out_t **rtsp_access;
268 sout_input_t *p_input;
270 /* RTSP url control */
271 httpd_url_t *p_rtsp_url;
274 static int AccessOutGrabberWrite( sout_access_out_t *, block_t * );
276 static void SDPHandleUrl( sout_stream_t *, char * );
278 static int SapSetup( sout_stream_t *p_stream );
279 static int FileSetup( sout_stream_t *p_stream );
280 static int HttpSetup( sout_stream_t *p_stream, vlc_url_t * );
281 static int RtspSetup( sout_stream_t *p_stream, vlc_url_t * );
283 static int RtspCallback( httpd_callback_sys_t *, httpd_client_t *,
284 httpd_message_t *, httpd_message_t * );
285 static int RtspCallbackId( httpd_callback_sys_t *, httpd_client_t *,
286 httpd_message_t *, httpd_message_t * );
289 static rtsp_client_t *RtspClientNew( sout_stream_t *, const char *psz_session );
290 static rtsp_client_t *RtspClientGet( sout_stream_t *, const char *psz_session );
291 static void RtspClientDel( sout_stream_t *, rtsp_client_t * );
293 /*****************************************************************************
295 *****************************************************************************/
296 static int Open( vlc_object_t *p_this )
298 sout_stream_t *p_stream = (sout_stream_t*)p_this;
299 sout_instance_t *p_sout = p_stream->p_sout;
300 sout_stream_sys_t *p_sys = NULL;
301 config_chain_t *p_cfg = NULL;
303 vlc_bool_t b_rtsp = VLC_FALSE;
305 config_ChainParse( p_stream, SOUT_CFG_PREFIX,
306 ppsz_sout_options, p_stream->p_cfg );
308 p_sys = malloc( sizeof( sout_stream_sys_t ) );
310 p_sys->psz_destination = var_GetString( p_stream, SOUT_CFG_PREFIX "dst" );
311 if( *p_sys->psz_destination == '\0' )
313 free( p_sys->psz_destination );
314 p_sys->psz_destination = NULL;
317 p_sys->psz_session_name = var_GetString( p_stream, SOUT_CFG_PREFIX "name" );
318 p_sys->psz_session_description = var_GetString( p_stream, SOUT_CFG_PREFIX "description" );
319 p_sys->psz_session_url = var_GetString( p_stream, SOUT_CFG_PREFIX "url" );
320 p_sys->psz_session_email = var_GetString( p_stream, SOUT_CFG_PREFIX "email" );
322 p_sys->i_port = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port" );
323 p_sys->i_port_audio = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port-audio" );
324 p_sys->i_port_video = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port-video" );
326 p_sys->psz_sdp_file = NULL;
328 if( p_sys->i_port_audio == p_sys->i_port_video )
330 msg_Err( p_stream, "audio and video port cannot be the same" );
331 p_sys->i_port_audio = 0;
332 p_sys->i_port_video = 0;
335 if( !p_sys->psz_session_name )
337 if( p_sys->psz_destination )
338 p_sys->psz_session_name = strdup( p_sys->psz_destination );
340 p_sys->psz_session_name = strdup( "NONE" );
343 for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
345 if( !strcmp( p_cfg->psz_name, "sdp" ) )
347 if( p_cfg->psz_value && !strncasecmp( p_cfg->psz_value, "rtsp", 4 ) )
357 var_Get( p_stream, SOUT_CFG_PREFIX "sdp", &val2 );
358 if( !strncasecmp( val2.psz_string, "rtsp", 4 ) )
360 free( val2.psz_string );
363 if( !p_sys->psz_destination || *p_sys->psz_destination == '\0' )
367 msg_Err( p_stream, "missing destination and not in rtsp mode" );
371 p_sys->psz_destination = NULL;
373 else if( p_sys->i_port <= 0 )
375 msg_Err( p_stream, "invalid port" );
380 var_Get( p_stream, SOUT_CFG_PREFIX "ttl", &val );
383 /* Normally, we should let the default hop limit up to the core,
384 * but we have to know it to build our SDP properly, which is why
385 * we ask the core. FIXME: broken when neither sout-rtp-ttl nor
387 val.i_int = config_GetInt( p_stream, "ttl" );
389 if( val.i_int > 255 ) val.i_int = 255;
390 /* must not exceed 999 once formatted */
394 msg_Warn( p_stream, "illegal TTL %d, using 1", val.i_int );
397 p_sys->i_ttl = val.i_int;
400 var_Get( p_stream, SOUT_CFG_PREFIX "mp4a-latm", &val );
401 p_sys->b_latm = val.b_bool;
403 p_sys->i_payload_type = 96;
408 p_sys->psz_sdp = NULL;
410 p_sys->i_sdp_id = mdate();
411 p_sys->i_sdp_version = 1;
412 p_sys->psz_sdp = NULL;
414 p_sys->b_export_sap = VLC_FALSE;
415 p_sys->b_export_sdp_file = VLC_FALSE;
416 p_sys->p_session = NULL;
418 p_sys->p_httpd_host = NULL;
419 p_sys->p_httpd_file = NULL;
420 p_sys->p_rtsp_host = NULL;
421 p_sys->p_rtsp_url = NULL;
422 p_sys->psz_rtsp_control = NULL;
423 p_sys->psz_rtsp_path = NULL;
425 vlc_mutex_init( p_stream, &p_sys->lock_sdp );
426 vlc_mutex_init( p_stream, &p_sys->lock_es );
428 p_stream->pf_add = Add;
429 p_stream->pf_del = Del;
430 p_stream->pf_send = Send;
432 p_stream->p_sys = p_sys;
434 var_Get( p_stream, SOUT_CFG_PREFIX "mux", &val );
435 if( *val.psz_string )
437 sout_access_out_t *p_grab;
438 const char *psz_rtpmap;
439 char url[NI_MAXHOST + 8], access[17], psz_ttl[5], ipv;
443 msg_Err( p_stream, "muxing is not supported in RTSP mode" );
447 else if( !p_sys->psz_destination || *p_sys->psz_destination == '\0' )
449 msg_Err( p_stream, "rtp needs a destination when muxing" );
454 /* Check muxer type */
455 if( !strncasecmp( val.psz_string, "ps", 2 ) || !strncasecmp( val.psz_string, "mpeg1", 5 ) )
457 psz_rtpmap = "MP2P/90000";
459 else if( !strncasecmp( val.psz_string, "ts", 2 ) )
461 psz_rtpmap = "MP2T/90000";
462 p_sys->i_payload_type = 33;
466 msg_Err( p_stream, "unsupported muxer type with rtp (only ts/ps)" );
471 /* create the access out */
472 if( p_sys->i_ttl > 0 )
474 sprintf( access, "udp{raw,ttl=%d}", p_sys->i_ttl );
478 sprintf( access, "udp{raw}" );
481 /* IPv6 needs brackets if not already present */
482 snprintf( url, sizeof( url ),
483 ( ( p_sys->psz_destination[0] != '[' )
484 && ( strchr( p_sys->psz_destination, ':' ) != NULL ) )
485 ? "[%s]:%d" : "%s:%d", p_sys->psz_destination,
487 url[sizeof( url ) - 1] = '\0';
488 /* FIXME: we should check that url is a numerical address, otherwise
489 * the SDP will be quite broken (regardless of the IP protocol version)
490 * Also it might be IPv6 with no ':' if it is a DNS name.
492 ipv = ( strchr( p_sys->psz_destination, ':' ) != NULL ) ? '6' : '4';
494 if( !( p_sys->p_access = sout_AccessOutNew( p_sout, access, url ) ) )
496 msg_Err( p_stream, "cannot create the access out for %s://%s",
501 p_sys->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beurk */
502 if( p_sys->i_mtu <= 16 + MTU_REDUCE )
504 /* better than nothing */
507 p_sys->i_mtu -= MTU_REDUCE;
509 /* the access out grabber TODO export it as sout_AccessOutGrabberNew */
510 p_grab = p_sys->p_grab =
511 vlc_object_create( p_sout, sizeof( sout_access_out_t ) );
512 p_grab->p_module = NULL;
513 p_grab->p_sout = p_sout;
514 p_grab->psz_access = strdup( "grab" );
515 p_grab->p_cfg = NULL;
516 p_grab->psz_path = strdup( "" );
517 p_grab->p_sys = (sout_access_out_sys_t*)p_stream;
518 p_grab->pf_seek = NULL;
519 p_grab->pf_write = AccessOutGrabberWrite;
522 if( !( p_sys->p_mux = sout_MuxNew( p_sout, val.psz_string, p_sys->p_grab ) ) )
524 msg_Err( p_stream, "cannot create the muxer (%s)", val.psz_string );
525 sout_AccessOutDelete( p_sys->p_grab );
526 sout_AccessOutDelete( p_sys->p_access );
531 /* create the SDP for a muxed stream (only once) */
532 /* FIXME http://www.faqs.org/rfcs/rfc4566.html
533 o= - should be local username (no spaces allowed)
534 o= time should be hashed with some other value to garantee uniqueness
535 o= don't use the localhost address. use fully qualified domain name or IP4 address
536 a= source-filter: we need our source address
537 a= x-plgroup: (missing)
538 RTP packets need to get the correct src IP address */
540 && net_AddressIsMulticast( (vlc_object_t *)p_stream, p_sys->psz_destination ) )
542 snprintf( psz_ttl, sizeof( psz_ttl ), "/%d", p_sys->i_ttl );
543 psz_ttl[sizeof( psz_ttl ) - 1] = '\0';
550 asprintf( &p_sys->psz_sdp,
552 /* FIXME: source address not known :( */
553 "o=- "I64Fd" %d IN IP%c %s\r\n"
559 "t=0 0\r\n" /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
560 "a=tool:"PACKAGE_STRING"\r\n"
562 "a=type:broadcast\r\n"
563 "m=video %d RTP/AVP %d\r\n"
564 "a=rtpmap:%d %s\r\n",
565 p_sys->i_sdp_id, p_sys->i_sdp_version,
566 ipv, ipv == '6' ? "::1" : "127.0.0.1" /* FIXME */,
567 p_sys->psz_session_name,
568 p_sys->psz_session_description,
569 p_sys->psz_session_url,
570 p_sys->psz_session_email,
571 ipv, p_sys->psz_destination, psz_ttl,
572 p_sys->i_port, p_sys->i_payload_type,
573 p_sys->i_payload_type, psz_rtpmap );
574 msg_Dbg( p_stream, "sdp=%s", p_sys->psz_sdp );
576 /* create the rtp context */
577 p_sys->ssrc[0] = rand()&0xff;
578 p_sys->ssrc[1] = rand()&0xff;
579 p_sys->ssrc[2] = rand()&0xff;
580 p_sys->ssrc[3] = rand()&0xff;
581 p_sys->i_sequence = rand()&0xffff;
582 p_sys->i_timestamp_start = rand()&0xffffffff;
583 p_sys->packet = NULL;
588 p_sys->p_access = NULL;
589 p_sys->p_grab = NULL;
591 free( val.psz_string );
594 var_Get( p_stream, SOUT_CFG_PREFIX "sdp", &val );
595 if( *val.psz_string )
597 config_chain_t *p_cfg;
599 SDPHandleUrl( p_stream, val.psz_string );
601 for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
603 if( !strcmp( p_cfg->psz_name, "sdp" ) )
605 if( p_cfg->psz_value == NULL || *p_cfg->psz_value == '\0' )
608 if( !strcmp( p_cfg->psz_value, val.psz_string ) ) /* needed both :sout-rtp-sdp= and rtp{sdp=} can be used */
611 SDPHandleUrl( p_stream, p_cfg->psz_value );
615 free( val.psz_string );
617 /* update p_sout->i_out_pace_nocontrol */
618 p_stream->p_sout->i_out_pace_nocontrol++;
623 /*****************************************************************************
625 *****************************************************************************/
626 static void Close( vlc_object_t * p_this )
628 sout_stream_t *p_stream = (sout_stream_t*)p_this;
629 sout_stream_sys_t *p_sys = p_stream->p_sys;
631 /* update p_sout->i_out_pace_nocontrol */
632 p_stream->p_sout->i_out_pace_nocontrol--;
636 sout_MuxDelete( p_sys->p_mux );
637 sout_AccessOutDelete( p_sys->p_access );
638 sout_AccessOutDelete( p_sys->p_grab );
641 block_Release( p_sys->packet );
643 if( p_sys->b_export_sap )
646 SapSetup( p_stream );
650 while( p_sys->i_rtsp > 0 )
652 RtspClientDel( p_stream, p_sys->rtsp[0] );
655 vlc_mutex_destroy( &p_sys->lock_sdp );
657 if( p_sys->p_httpd_file )
659 httpd_FileDelete( p_sys->p_httpd_file );
661 if( p_sys->p_httpd_host )
663 httpd_HostDelete( p_sys->p_httpd_host );
665 if( p_sys->p_rtsp_url )
667 httpd_UrlDelete( p_sys->p_rtsp_url );
669 if( p_sys->p_rtsp_host )
671 httpd_HostDelete( p_sys->p_rtsp_host );
673 if( p_sys->psz_session_name )
675 free( p_sys->psz_session_name );
676 p_sys->psz_session_name = NULL;
678 if( p_sys->psz_session_description )
680 free( p_sys->psz_session_description );
681 p_sys->psz_session_description = NULL;
683 if( p_sys->psz_session_url )
685 free( p_sys->psz_session_url );
686 p_sys->psz_session_url = NULL;
688 if( p_sys->psz_session_email )
690 free( p_sys->psz_session_email );
691 p_sys->psz_session_email = NULL;
695 free( p_sys->psz_sdp );
696 p_sys->psz_sdp = NULL;
698 if( p_sys->b_export_sdp_file )
701 unlink( p_sys->psz_sdp_file );
703 free( p_sys->psz_sdp_file );
708 /*****************************************************************************
710 *****************************************************************************/
711 static void SDPHandleUrl( sout_stream_t *p_stream, char *psz_url )
713 sout_stream_sys_t *p_sys = p_stream->p_sys;
716 vlc_UrlParse( &url, psz_url, 0 );
717 if( url.psz_protocol && !strcasecmp( url.psz_protocol, "http" ) )
719 if( p_sys->p_httpd_file )
721 msg_Err( p_stream, "you can use sdp=http:// only once" );
725 if( HttpSetup( p_stream, &url ) )
727 msg_Err( p_stream, "cannot export sdp as http" );
730 else if( url.psz_protocol && !strcasecmp( url.psz_protocol, "rtsp" ) )
732 if( p_sys->p_rtsp_url )
734 msg_Err( p_stream, "you can use sdp=rtsp:// only once" );
738 /* FIXME test if destination is multicast or no destination at all FIXME */
739 if( RtspSetup( p_stream, &url ) )
741 msg_Err( p_stream, "cannot export sdp as rtsp" );
744 else if( ( url.psz_protocol && !strcasecmp( url.psz_protocol, "sap" ) ) ||
745 ( url.psz_host && !strcasecmp( url.psz_host, "sap" ) ) )
747 p_sys->b_export_sap = VLC_TRUE;
748 SapSetup( p_stream );
750 else if( url.psz_protocol && !strcasecmp( url.psz_protocol, "file" ) )
752 if( p_sys->b_export_sdp_file )
754 msg_Err( p_stream, "you can use sdp=file:// only once" );
757 p_sys->b_export_sdp_file = VLC_TRUE;
758 psz_url = &psz_url[5];
759 if( psz_url[0] == '/' && psz_url[1] == '/' )
761 p_sys->psz_sdp_file = strdup( psz_url );
765 msg_Warn( p_stream, "unknown protocol for SDP (%s)",
768 vlc_UrlClean( &url );
771 /*****************************************************************************
773 *****************************************************************************/
774 /* FIXME http://www.faqs.org/rfcs/rfc2327.html
775 All text fields should be UTF-8 encoded. Use global a:charset to announce this.
776 o= - should be local username (no spaces allowed)
777 o= time should be hashed with some other value to garantue uniqueness
778 o= we need IP6 support?
779 o= don't use the localhost address. use fully qualified domain name or IP4 address
780 p= international phone number (pass via vars?)
782 a= recvonly (missing)
783 a= type:broadcast (missing)
784 a= charset: (normally charset should be UTF-8, this can be used to override s= and i=)
785 a= x-plgroup: (missing)
786 RTP packets need to get the correct src IP address */
787 static char *SDPGenerate( const sout_stream_t *p_stream,
788 const char *psz_destination, vlc_bool_t b_rtsp )
790 sout_stream_sys_t *p_sys = p_stream->p_sys;
792 char *psz_sdp, *p, ipv;
795 /* FIXME: breaks IP version check on unknown destination */
796 if( psz_destination == NULL )
797 psz_destination = "0.0.0.0";
799 i_size = sizeof( "v=0\r\n" ) +
800 sizeof( "o=- * * IN IP4 127.0.0.1\r\n" ) + 10 + 10 +
801 sizeof( "s=*\r\n" ) + strlen( p_sys->psz_session_name ) +
802 sizeof( "i=*\r\n" ) + strlen( p_sys->psz_session_description ) +
803 sizeof( "u=*\r\n" ) + strlen( p_sys->psz_session_url ) +
804 sizeof( "e=*\r\n" ) + strlen( p_sys->psz_session_email ) +
805 sizeof( "t=0 0\r\n" ) + /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
806 sizeof( "a=tool:"PACKAGE_STRING"\r\n" ) +
807 sizeof( "c=IN IP4 */*\r\n" ) + 20 + 10 +
808 strlen( psz_destination ) ;
809 for( i = 0; i < p_sys->i_es; i++ )
811 sout_stream_id_t *id = p_sys->es[i];
813 i_size += strlen( "m=**d*o * RTP/AVP *\r\n" ) + 10 + 10;
816 i_size += strlen( "a=rtpmap:* *\r\n" ) + strlen( id->psz_rtpmap )+10;
820 i_size += strlen( "a=fmtp:* *\r\n" ) + strlen( id->psz_fmtp ) + 10;
824 i_size += strlen( "b=AS: *\r\n") + 10;
828 i_size += strlen( "a=control:*/trackID=*\r\n" ) + strlen( p_sys->psz_rtsp_control ) + 10;
833 i_size += strlen( "m=video %d RTP/AVP %d\r\n" ) +10 +10;
836 ipv = ( strchr( psz_destination, ':' ) != NULL ) ? '6' : '4';
838 p = psz_sdp = malloc( i_size );
839 p += sprintf( p, "v=0\r\n" );
840 p += sprintf( p, "o=- "I64Fd" %d IN IP%c %s\r\n",
841 p_sys->i_sdp_id, p_sys->i_sdp_version,
842 ipv, ipv == '6' ? "::" : "127.0.0.1" );
843 if( *p_sys->psz_session_name )
844 p += sprintf( p, "s=%s\r\n", p_sys->psz_session_name );
845 if( *p_sys->psz_session_description )
846 p += sprintf( p, "i=%s\r\n", p_sys->psz_session_description );
847 if( *p_sys->psz_session_url )
848 p += sprintf( p, "u=%s\r\n", p_sys->psz_session_url );
849 if( *p_sys->psz_session_email )
850 p += sprintf( p, "e=%s\r\n", p_sys->psz_session_email );
852 p += sprintf( p, "t=0 0\r\n" ); /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
853 p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" );
855 p += sprintf( p, "c=IN IP%c %s", ipv, psz_destination );
857 if( net_AddressIsMulticast( (vlc_object_t *)p_stream, psz_destination ) )
859 /* Add the ttl if it is a multicast address */
860 /* FIXME: 1 is not a correct default value in the case of IPv6 */
861 p += sprintf( p, "/%d\r\n", p_sys->i_ttl ?: 1 );
865 p += sprintf( p, "\r\n" );
868 for( i = 0; i < p_sys->i_es; i++ )
870 sout_stream_id_t *id = p_sys->es[i];
872 if( id->i_cat == AUDIO_ES )
874 p += sprintf( p, "m=audio %d RTP/AVP %d\r\n",
875 id->i_port, id->i_payload_type );
877 else if( id->i_cat == VIDEO_ES )
879 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
880 id->i_port, id->i_payload_type );
888 p += sprintf( p, "a=rtpmap:%d %s\r\n", id->i_payload_type,
893 p += sprintf( p, "a=fmtp:%d %s\r\n", id->i_payload_type,
898 p += sprintf(p,"b=AS:%d\r\n",id->i_bitrate);
902 p += sprintf( p, "a=control:/trackID=%d\r\n", i );
907 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
908 p_sys->i_port, p_sys->i_payload_type );
914 /*****************************************************************************
916 *****************************************************************************/
917 static int rtp_packetize_l16 ( sout_stream_t *, sout_stream_id_t *, block_t * );
918 static int rtp_packetize_l8 ( sout_stream_t *, sout_stream_id_t *, block_t * );
919 static int rtp_packetize_mpa ( sout_stream_t *, sout_stream_id_t *, block_t * );
920 static int rtp_packetize_mpv ( sout_stream_t *, sout_stream_id_t *, block_t * );
921 static int rtp_packetize_ac3 ( sout_stream_t *, sout_stream_id_t *, block_t * );
922 static int rtp_packetize_split( sout_stream_t *, sout_stream_id_t *, block_t * );
923 static int rtp_packetize_mp4a ( sout_stream_t *, sout_stream_id_t *, block_t * );
924 static int rtp_packetize_mp4a_latm ( sout_stream_t *, sout_stream_id_t *, block_t * );
925 static int rtp_packetize_h263 ( sout_stream_t *, sout_stream_id_t *, block_t * );
926 static int rtp_packetize_h264 ( sout_stream_t *, sout_stream_id_t *, block_t * );
927 static int rtp_packetize_amr ( sout_stream_t *, sout_stream_id_t *, block_t * );
929 static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
931 static const char hex[16] = "0123456789abcdef";
934 for( i = 0; i < i_data; i++ )
936 s[2*i+0] = hex[(p_data[i]>>4)&0xf];
937 s[2*i+1] = hex[(p_data[i] )&0xf];
942 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
944 sout_instance_t *p_sout = p_stream->p_sout;
945 sout_stream_sys_t *p_sys = p_stream->p_sys;
946 sout_stream_id_t *id;
947 sout_access_out_t *p_access = NULL;
951 if( p_sys->p_mux != NULL )
953 sout_input_t *p_input = NULL;
954 if( ( p_input = sout_MuxAddStream( p_sys->p_mux, p_fmt ) ) == NULL )
956 msg_Err( p_stream, "cannot add this stream to the muxer" );
960 id = malloc( sizeof( sout_stream_id_t ) );
961 memset( id, 0, sizeof( sout_stream_id_t ) );
963 id->p_input = p_input;
964 id->pf_packetize= NULL;
965 id->p_rtsp_url = NULL;
971 /* Choose the port */
973 if( p_fmt->i_cat == AUDIO_ES && p_sys->i_port_audio > 0 )
975 i_port = p_sys->i_port_audio;
976 p_sys->i_port_audio = 0;
978 else if( p_fmt->i_cat == VIDEO_ES && p_sys->i_port_video > 0 )
980 i_port = p_sys->i_port_video;
981 p_sys->i_port_video = 0;
985 if( p_sys->i_port != p_sys->i_port_audio && p_sys->i_port != p_sys->i_port_video )
987 i_port = p_sys->i_port;
994 if( p_sys->psz_destination )
997 char url[NI_MAXHOST + 8];
999 /* first try to create the access out */
1002 snprintf( access, sizeof( access ), "udp{raw,ttl=%d}",
1004 access[sizeof( access ) - 1] = '\0';
1007 strcpy( access, "udp{raw}" );
1009 snprintf( url, sizeof( url ), (( p_sys->psz_destination[0] != '[' ) &&
1010 strchr( p_sys->psz_destination, ':' )) ? "[%s]:%d" : "%s:%d",
1011 p_sys->psz_destination, i_port );
1012 url[sizeof( url ) - 1] = '\0';
1014 if( ( p_access = sout_AccessOutNew( p_sout, access, url ) ) == NULL )
1016 msg_Err( p_stream, "cannot create the access out for %s://%s",
1020 msg_Dbg( p_stream, "access out %s:%s", access, url );
1023 /* not create the rtp specific stuff */
1024 id = malloc( sizeof( sout_stream_id_t ) );
1025 memset( id, 0, sizeof( sout_stream_id_t ) );
1026 id->p_stream = p_stream;
1027 id->p_access = p_access;
1029 id->psz_rtpmap = NULL;
1030 id->psz_fmtp = NULL;
1031 id->psz_destination = p_sys->psz_destination ? strdup( p_sys->psz_destination ) : NULL;
1032 id->i_port = i_port;
1033 id->p_rtsp_url = NULL;
1034 vlc_mutex_init( p_stream, &id->lock_rtsp );
1035 id->i_rtsp_access = 0;
1036 id->rtsp_access = NULL;
1038 switch( p_fmt->i_codec )
1040 case VLC_FOURCC( 's', '1', '6', 'b' ):
1041 if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
1043 id->i_payload_type = 11;
1045 else if( p_fmt->audio.i_channels == 2 &&
1046 p_fmt->audio.i_rate == 44100 )
1048 id->i_payload_type = 10;
1052 id->i_payload_type = p_sys->i_payload_type++;
1054 id->psz_rtpmap = malloc( strlen( "L16/*/*" ) + 20+1 );
1055 sprintf( id->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
1056 p_fmt->audio.i_channels );
1057 id->i_clock_rate = p_fmt->audio.i_rate;
1058 id->pf_packetize = rtp_packetize_l16;
1060 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
1061 id->i_payload_type = p_sys->i_payload_type++;
1062 id->psz_rtpmap = malloc( strlen( "L8/*/*" ) + 20+1 );
1063 sprintf( id->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
1064 p_fmt->audio.i_channels );
1065 id->i_clock_rate = p_fmt->audio.i_rate;
1066 id->pf_packetize = rtp_packetize_l8;
1068 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
1069 id->i_payload_type = 14;
1070 id->i_clock_rate = 90000;
1071 id->psz_rtpmap = strdup( "MPA/90000" );
1072 id->pf_packetize = rtp_packetize_mpa;
1074 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
1075 id->i_payload_type = 32;
1076 id->i_clock_rate = 90000;
1077 id->psz_rtpmap = strdup( "MPV/90000" );
1078 id->pf_packetize = rtp_packetize_mpv;
1080 case VLC_FOURCC( 'a', '5', '2', ' ' ):
1081 id->i_payload_type = p_sys->i_payload_type++;
1082 id->i_clock_rate = 90000;
1083 id->psz_rtpmap = strdup( "ac3/90000" );
1084 id->pf_packetize = rtp_packetize_ac3;
1086 case VLC_FOURCC( 'H', '2', '6', '3' ):
1087 id->i_payload_type = p_sys->i_payload_type++;
1088 id->i_clock_rate = 90000;
1089 id->psz_rtpmap = strdup( "H263-1998/90000" );
1090 id->pf_packetize = rtp_packetize_h263;
1092 case VLC_FOURCC( 'h', '2', '6', '4' ):
1093 id->i_payload_type = p_sys->i_payload_type++;
1094 id->i_clock_rate = 90000;
1095 id->psz_rtpmap = strdup( "H264/90000" );
1096 id->pf_packetize = rtp_packetize_h264;
1097 id->psz_fmtp = NULL;
1099 if( p_fmt->i_extra > 0 )
1101 uint8_t *p_buffer = p_fmt->p_extra;
1102 int i_buffer = p_fmt->i_extra;
1103 char *p_64_sps = NULL;
1104 char *p_64_pps = NULL;
1107 while( i_buffer > 4 &&
1108 p_buffer[0] == 0 && p_buffer[1] == 0 &&
1109 p_buffer[2] == 0 && p_buffer[3] == 1 )
1111 const int i_nal_type = p_buffer[4]&0x1f;
1115 msg_Dbg( p_stream, "we found a startcode for NAL with TYPE:%d", i_nal_type );
1118 for( i_offset = 4; i_offset+3 < i_buffer ; i_offset++)
1120 if( p_buffer[i_offset] == 0 && p_buffer[i_offset+1] == 0 && p_buffer[i_offset+2] == 0 && p_buffer[i_offset+3] == 1 )
1122 /* we found another startcode */
1127 if( i_nal_type == 7 )
1129 p_64_sps = vlc_b64_encode_binary( &p_buffer[4], i_size - 4 );
1130 sprintf_hexa( hexa, &p_buffer[5], 3 );
1132 else if( i_nal_type == 8 )
1134 p_64_pps = vlc_b64_encode_binary( &p_buffer[4], i_size - 4 );
1140 if( p_64_sps && p_64_pps )
1141 asprintf( &id->psz_fmtp, "packetization-mode=1;profile-level-id=%s;sprop-parameter-sets=%s,%s;", hexa, p_64_sps, p_64_pps );
1148 id->psz_fmtp = strdup( "packetization-mode=1" );
1151 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
1153 char hexa[2*p_fmt->i_extra +1];
1155 id->i_payload_type = p_sys->i_payload_type++;
1156 id->i_clock_rate = 90000;
1157 id->psz_rtpmap = strdup( "MP4V-ES/90000" );
1158 id->pf_packetize = rtp_packetize_split;
1159 if( p_fmt->i_extra > 0 )
1161 id->psz_fmtp = malloc( 100 + 2 * p_fmt->i_extra );
1162 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
1163 sprintf( id->psz_fmtp,
1164 "profile-level-id=3; config=%s;", hexa );
1168 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
1170 id->i_payload_type = p_sys->i_payload_type++;
1171 id->i_clock_rate = p_fmt->audio.i_rate;
1175 char hexa[2*p_fmt->i_extra +1];
1177 id->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
1178 sprintf( id->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
1179 id->pf_packetize = rtp_packetize_mp4a;
1180 id->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
1181 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
1182 sprintf( id->psz_fmtp,
1183 "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
1184 "config=%s; SizeLength=13;IndexLength=3; "
1185 "IndexDeltaLength=3; Profile=1;", hexa );
1191 unsigned char config[6];
1192 unsigned int aacsrates[15] = {
1193 96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
1194 16000, 12000, 11025, 8000, 7350, 0, 0 };
1196 for( i = 0; i < 15; i++ )
1197 if( p_fmt->audio.i_rate == aacsrates[i] )
1203 config[3]=p_fmt->audio.i_channels<<4;
1207 asprintf( &id->psz_rtpmap, "MP4A-LATM/%d/%d",
1208 p_fmt->audio.i_rate, p_fmt->audio.i_channels );
1209 id->pf_packetize = rtp_packetize_mp4a_latm;
1210 sprintf_hexa( hexa, config, 6 );
1211 asprintf( &id->psz_fmtp, "profile-level-id=15; "
1212 "object=2; cpresent=0; config=%s", hexa );
1216 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
1217 id->i_payload_type = p_sys->i_payload_type++;
1218 id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
1219 "AMR/8000/2" : "AMR/8000" );
1220 id->psz_fmtp = strdup( "octet-align=1" );
1221 id->i_clock_rate = p_fmt->audio.i_rate;
1222 id->pf_packetize = rtp_packetize_amr;
1224 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
1225 id->i_payload_type = p_sys->i_payload_type++;
1226 id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
1227 "AMR-WB/16000/2" : "AMR-WB/16000" );
1228 id->psz_fmtp = strdup( "octet-align=1" );
1229 id->i_clock_rate = p_fmt->audio.i_rate;
1230 id->pf_packetize = rtp_packetize_amr;
1234 msg_Err( p_stream, "cannot add this stream (unsupported "
1235 "codec:%4.4s)", (char*)&p_fmt->i_codec );
1238 sout_AccessOutDelete( p_access );
1243 id->i_cat = p_fmt->i_cat;
1245 id->ssrc[0] = rand()&0xff;
1246 id->ssrc[1] = rand()&0xff;
1247 id->ssrc[2] = rand()&0xff;
1248 id->ssrc[3] = rand()&0xff;
1249 id->i_sequence = rand()&0xffff;
1250 id->i_timestamp_start = rand()&0xffffffff;
1251 id->i_bitrate = p_fmt->i_bitrate/1000; /* Stream bitrate in kbps */
1253 id->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beuk */
1254 if( id->i_mtu <= 16 + MTU_REDUCE )
1256 /* better than nothing */
1259 id->i_mtu -= MTU_REDUCE;
1260 msg_Dbg( p_stream, "maximum RTP packet size: %d bytes", id->i_mtu );
1262 if( p_sys->p_rtsp_url )
1264 char psz_urlc[strlen( p_sys->psz_rtsp_control ) + 1 + 10];
1266 sprintf( psz_urlc, "%s/trackID=%d", p_sys->psz_rtsp_path, p_sys->i_es );
1267 msg_Dbg( p_stream, "rtsp: adding %s\n", psz_urlc );
1268 id->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, psz_urlc, NULL, NULL, NULL );
1270 if( id->p_rtsp_url )
1272 httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_SETUP, RtspCallbackId, (void*)id );
1273 //httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
1274 //httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
1279 /* Update p_sys context */
1280 vlc_mutex_lock( &p_sys->lock_es );
1281 TAB_APPEND( p_sys->i_es, p_sys->es, id );
1282 vlc_mutex_unlock( &p_sys->lock_es );
1284 psz_sdp = SDPGenerate( p_stream, p_sys->psz_destination, VLC_FALSE );
1286 vlc_mutex_lock( &p_sys->lock_sdp );
1287 free( p_sys->psz_sdp );
1288 p_sys->psz_sdp = psz_sdp;
1289 vlc_mutex_unlock( &p_sys->lock_sdp );
1291 p_sys->i_sdp_version++;
1293 msg_Dbg( p_stream, "sdp=%s", p_sys->psz_sdp );
1295 /* Update SDP (sap/file) */
1296 if( p_sys->b_export_sap ) SapSetup( p_stream );
1297 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
1302 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
1304 sout_stream_sys_t *p_sys = p_stream->p_sys;
1306 vlc_mutex_lock( &p_sys->lock_es );
1307 TAB_REMOVE( p_sys->i_es, p_sys->es, id );
1308 vlc_mutex_unlock( &p_sys->lock_es );
1311 if( id->i_port > 0 )
1313 if( id->i_cat == AUDIO_ES && p_sys->i_port_audio == 0 )
1314 p_sys->i_port_audio = id->i_port;
1315 else if( id->i_cat == VIDEO_ES && p_sys->i_port_video == 0 )
1316 p_sys->i_port_video = id->i_port;
1321 if( id->psz_rtpmap )
1323 free( id->psz_rtpmap );
1327 free( id->psz_fmtp );
1329 if( id->psz_destination )
1330 free( id->psz_destination );
1331 sout_AccessOutDelete( id->p_access );
1333 else if( id->p_input )
1335 sout_MuxDeleteStream( p_sys->p_mux, id->p_input );
1337 if( id->p_rtsp_url )
1339 httpd_UrlDelete( id->p_rtsp_url );
1341 vlc_mutex_destroy( &id->lock_rtsp );
1342 if( id->rtsp_access ) free( id->rtsp_access );
1344 /* Update SDP (sap/file) */
1345 if( p_sys->b_export_sap && !p_sys->p_mux ) SapSetup( p_stream );
1346 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
1352 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
1357 if( p_stream->p_sys->p_mux )
1359 sout_MuxSendBuffer( p_stream->p_sys->p_mux, id->p_input, p_buffer );
1365 p_next = p_buffer->p_next;
1366 if( id->pf_packetize( p_stream, id, p_buffer ) )
1370 block_Release( p_buffer );
1378 static int AccessOutGrabberWriteBuffer( sout_stream_t *p_stream,
1381 sout_stream_sys_t *p_sys = p_stream->p_sys;
1383 int64_t i_dts = p_buffer->i_dts;
1384 uint32_t i_timestamp = i_dts * 9 / 100;
1386 uint8_t *p_data = p_buffer->p_buffer;
1387 unsigned int i_data = p_buffer->i_buffer;
1388 unsigned int i_max = p_sys->i_mtu - 12;
1390 unsigned i_packet = ( p_buffer->i_buffer + i_max - 1 ) / i_max;
1394 unsigned int i_size;
1396 /* output complete packet */
1397 if( p_sys->packet &&
1398 p_sys->packet->i_buffer + i_data > i_max )
1400 sout_AccessOutWrite( p_sys->p_access, p_sys->packet );
1401 p_sys->packet = NULL;
1404 if( p_sys->packet == NULL )
1406 /* allocate a new packet */
1407 p_sys->packet = block_New( p_stream, p_sys->i_mtu );
1408 p_sys->packet->p_buffer[ 0] = 0x80;
1409 p_sys->packet->p_buffer[ 1] = 0x80|p_sys->i_payload_type;
1410 p_sys->packet->p_buffer[ 2] = ( p_sys->i_sequence >> 8)&0xff;
1411 p_sys->packet->p_buffer[ 3] = ( p_sys->i_sequence )&0xff;
1412 p_sys->packet->p_buffer[ 4] = ( i_timestamp >> 24 )&0xff;
1413 p_sys->packet->p_buffer[ 5] = ( i_timestamp >> 16 )&0xff;
1414 p_sys->packet->p_buffer[ 6] = ( i_timestamp >> 8 )&0xff;
1415 p_sys->packet->p_buffer[ 7] = ( i_timestamp )&0xff;
1416 p_sys->packet->p_buffer[ 8] = p_sys->ssrc[0];
1417 p_sys->packet->p_buffer[ 9] = p_sys->ssrc[1];
1418 p_sys->packet->p_buffer[10] = p_sys->ssrc[2];
1419 p_sys->packet->p_buffer[11] = p_sys->ssrc[3];
1420 p_sys->packet->i_buffer = 12;
1422 p_sys->packet->i_dts = i_dts;
1423 p_sys->packet->i_length = p_buffer->i_length / i_packet;
1424 i_dts += p_sys->packet->i_length;
1426 p_sys->i_sequence++;
1429 i_size = __MIN( i_data,
1430 (unsigned)(p_sys->i_mtu - p_sys->packet->i_buffer) );
1432 memcpy( &p_sys->packet->p_buffer[p_sys->packet->i_buffer],
1435 p_sys->packet->i_buffer += i_size;
1443 static int AccessOutGrabberWrite( sout_access_out_t *p_access,
1446 sout_stream_t *p_stream = (sout_stream_t*)p_access->p_sys;
1448 //fprintf( stderr, "received buffer size=%d\n", p_buffer->i_buffer );
1454 AccessOutGrabberWriteBuffer( p_stream, p_buffer );
1456 p_next = p_buffer->p_next;
1457 block_Release( p_buffer );
1464 /****************************************************************************
1466 ****************************************************************************/
1467 static int SapSetup( sout_stream_t *p_stream )
1469 sout_stream_sys_t *p_sys = p_stream->p_sys;
1470 sout_instance_t *p_sout = p_stream->p_sout;
1471 announce_method_t *p_method = sout_SAPMethod();
1473 /* Remove the previous session */
1474 if( p_sys->p_session != NULL)
1476 sout_AnnounceUnRegister( p_sout, p_sys->p_session);
1477 sout_AnnounceSessionDestroy( p_sys->p_session );
1478 p_sys->p_session = NULL;
1481 if( ( p_sys->i_es > 0 || p_sys->p_mux ) && p_sys->psz_sdp && *p_sys->psz_sdp )
1483 p_sys->p_session = sout_AnnounceRegisterSDP( p_sout, SOUT_CFG_PREFIX,
1485 p_sys->psz_destination,
1489 sout_MethodRelease( p_method );
1493 /****************************************************************************
1495 ****************************************************************************/
1496 static int FileSetup( sout_stream_t *p_stream )
1498 sout_stream_sys_t *p_sys = p_stream->p_sys;
1501 if( ( f = utf8_fopen( p_sys->psz_sdp_file, "wt" ) ) == NULL )
1503 msg_Err( p_stream, "cannot open file '%s' (%s)",
1504 p_sys->psz_sdp_file, strerror(errno) );
1505 return VLC_EGENERIC;
1508 fprintf( f, "%s", p_sys->psz_sdp );
1514 /****************************************************************************
1516 ****************************************************************************/
1517 static int HttpCallback( httpd_file_sys_t *p_args,
1518 httpd_file_t *, uint8_t *p_request,
1519 uint8_t **pp_data, int *pi_data );
1521 static int HttpSetup( sout_stream_t *p_stream, vlc_url_t *url)
1523 sout_stream_sys_t *p_sys = p_stream->p_sys;
1525 p_sys->p_httpd_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 80 );
1526 if( p_sys->p_httpd_host )
1528 p_sys->p_httpd_file = httpd_FileNew( p_sys->p_httpd_host,
1529 url->psz_path ? url->psz_path : "/",
1532 HttpCallback, (void*)p_sys );
1534 if( p_sys->p_httpd_file == NULL )
1536 return VLC_EGENERIC;
1541 static int HttpCallback( httpd_file_sys_t *p_args,
1542 httpd_file_t *f, uint8_t *p_request,
1543 uint8_t **pp_data, int *pi_data )
1545 sout_stream_sys_t *p_sys = (sout_stream_sys_t*)p_args;
1547 vlc_mutex_lock( &p_sys->lock_sdp );
1548 if( p_sys->psz_sdp && *p_sys->psz_sdp )
1550 *pi_data = strlen( p_sys->psz_sdp );
1551 *pp_data = malloc( *pi_data );
1552 memcpy( *pp_data, p_sys->psz_sdp, *pi_data );
1559 vlc_mutex_unlock( &p_sys->lock_sdp );
1564 /****************************************************************************
1566 ****************************************************************************/
1567 static rtsp_client_t *RtspClientNew( sout_stream_t *p_stream, const char *psz_session )
1569 rtsp_client_t *rtsp = malloc( sizeof( rtsp_client_t ));
1571 rtsp->psz_session = strdup( psz_session );
1573 rtsp->b_playing = VLC_FALSE;
1577 rtsp->access = NULL;
1579 TAB_APPEND( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
1583 static rtsp_client_t *RtspClientGet( sout_stream_t *p_stream, const char *psz_session )
1587 if( !psz_session ) return NULL;
1589 for( i = 0; i < p_stream->p_sys->i_rtsp; i++ )
1591 if( !strcmp( p_stream->p_sys->rtsp[i]->psz_session, psz_session ) )
1593 return p_stream->p_sys->rtsp[i];
1599 static void RtspClientDel( sout_stream_t *p_stream, rtsp_client_t *rtsp )
1602 TAB_REMOVE( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
1604 for( i = 0; i < rtsp->i_access; i++ )
1606 sout_AccessOutDelete( rtsp->access[i] );
1608 if( rtsp->id ) free( rtsp->id );
1609 if( rtsp->access ) free( rtsp->access );
1611 free( rtsp->psz_session );
1615 static int RtspSetup( sout_stream_t *p_stream, vlc_url_t *url )
1617 sout_stream_sys_t *p_sys = p_stream->p_sys;
1619 msg_Dbg( p_stream, "rtsp setup: %s : %d / %s\n", url->psz_host, url->i_port, url->psz_path );
1621 p_sys->p_rtsp_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 554 );
1622 if( p_sys->p_rtsp_host == NULL )
1624 return VLC_EGENERIC;
1627 p_sys->psz_rtsp_path = strdup( url->psz_path ? url->psz_path : "/" );
1628 p_sys->psz_rtsp_control = malloc (strlen( url->psz_host ) + 20 + strlen( p_sys->psz_rtsp_path ) + 1 );
1629 sprintf( p_sys->psz_rtsp_control, "rtsp://%s:%d%s",
1630 url->psz_host, url->i_port > 0 ? url->i_port : 554, p_sys->psz_rtsp_path );
1632 p_sys->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, p_sys->psz_rtsp_path, NULL, NULL, NULL );
1633 if( p_sys->p_rtsp_url == 0 )
1635 return VLC_EGENERIC;
1637 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_DESCRIBE, RtspCallback, (void*)p_stream );
1638 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
1639 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
1640 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_TEARDOWN, RtspCallback, (void*)p_stream );
1645 static int RtspCallback( httpd_callback_sys_t *p_args,
1647 httpd_message_t *answer, httpd_message_t *query )
1649 sout_stream_t *p_stream = (sout_stream_t*)p_args;
1650 sout_stream_sys_t *p_sys = p_stream->p_sys;
1651 char *psz_destination = p_sys->psz_destination;
1652 const char *psz_session = NULL;
1653 const char *psz_cseq = NULL;
1656 if( answer == NULL || query == NULL )
1660 //fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
1662 answer->i_proto = HTTPD_PROTO_RTSP;
1663 answer->i_version= query->i_version;
1664 answer->i_type = HTTPD_MSG_ANSWER;
1666 switch( query->i_type )
1668 case HTTPD_MSG_DESCRIBE:
1670 char *psz_sdp = SDPGenerate( p_stream, psz_destination ? psz_destination : "0.0.0.0", VLC_TRUE );
1672 answer->i_status = 200;
1673 answer->psz_status = strdup( "OK" );
1674 httpd_MsgAdd( answer, "Content-type", "%s", "application/sdp" );
1675 httpd_MsgAdd( answer, "Content-Base", "%s", p_sys->psz_rtsp_control );
1676 answer->p_body = (uint8_t *)psz_sdp;
1677 answer->i_body = strlen( psz_sdp );
1681 case HTTPD_MSG_PLAY:
1683 rtsp_client_t *rtsp;
1684 /* for now only multicast so easy */
1685 answer->i_status = 200;
1686 answer->psz_status = strdup( "OK" );
1688 answer->p_body = NULL;
1690 psz_session = httpd_MsgGet( query, "Session" );
1691 rtsp = RtspClientGet( p_stream, psz_session );
1692 if( rtsp && !rtsp->b_playing )
1696 rtsp->b_playing = VLC_TRUE;
1698 vlc_mutex_lock( &p_sys->lock_es );
1699 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
1701 sout_stream_id_t *id = rtsp->id[i_id];
1704 for( i = 0; i < p_sys->i_es; i++ )
1706 if( id == p_sys->es[i] )
1709 if( i >= p_sys->i_es ) continue;
1711 vlc_mutex_lock( &id->lock_rtsp );
1712 TAB_APPEND( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
1713 vlc_mutex_unlock( &id->lock_rtsp );
1715 vlc_mutex_unlock( &p_sys->lock_es );
1719 case HTTPD_MSG_PAUSE:
1721 return VLC_EGENERIC;
1722 case HTTPD_MSG_TEARDOWN:
1724 rtsp_client_t *rtsp;
1726 /* for now only multicast so easy again */
1727 answer->i_status = 200;
1728 answer->psz_status = strdup( "OK" );
1730 answer->p_body = NULL;
1732 psz_session = httpd_MsgGet( query, "Session" );
1733 rtsp = RtspClientGet( p_stream, psz_session );
1738 vlc_mutex_lock( &p_sys->lock_es );
1739 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
1741 sout_stream_id_t *id = rtsp->id[i_id];
1744 for( i = 0; i < p_sys->i_es; i++ )
1746 if( id == p_sys->es[i] )
1749 if( i >= p_sys->i_es ) continue;
1751 vlc_mutex_lock( &id->lock_rtsp );
1752 TAB_REMOVE( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
1753 vlc_mutex_unlock( &id->lock_rtsp );
1755 vlc_mutex_unlock( &p_sys->lock_es );
1757 RtspClientDel( p_stream, rtsp );
1763 return VLC_EGENERIC;
1765 httpd_MsgAdd( answer, "Server", PACKAGE_STRING );
1766 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1767 psz_cseq = httpd_MsgGet( query, "Cseq" );
1769 i_cseq = atoi( psz_cseq );
1772 httpd_MsgAdd( answer, "Cseq", "%d", i_cseq );
1773 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1776 httpd_MsgAdd( answer, "Session", "%s;timeout=5", psz_session );
1780 static int RtspCallbackId( httpd_callback_sys_t *p_args,
1782 httpd_message_t *answer, httpd_message_t *query )
1784 sout_stream_id_t *id = (sout_stream_id_t*)p_args;
1785 sout_stream_t *p_stream = id->p_stream;
1786 sout_stream_sys_t *p_sys = p_stream->p_sys;
1787 char psz_session_init[100];
1788 const char *psz_session = NULL;
1789 const char *psz_cseq = NULL;
1793 if( answer == NULL || query == NULL )
1795 //fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
1798 snprintf( psz_session_init, sizeof(psz_session_init), "%d", rand() );
1801 answer->i_proto = HTTPD_PROTO_RTSP;
1802 answer->i_version= query->i_version;
1803 answer->i_type = HTTPD_MSG_ANSWER;
1805 switch( query->i_type )
1807 case HTTPD_MSG_SETUP:
1809 const char *psz_transport = httpd_MsgGet( query, "Transport" );
1811 //fprintf( stderr, "HTTPD_MSG_SETUP: transport=%s\n", psz_transport );
1813 if( strstr( psz_transport, "multicast" ) && id->psz_destination )
1815 //fprintf( stderr, "HTTPD_MSG_SETUP: multicast\n" );
1816 answer->i_status = 200;
1817 answer->psz_status = strdup( "OK" );
1819 answer->p_body = NULL;
1821 psz_session = httpd_MsgGet( query, "Session" );
1823 psz_session = psz_session_init;
1825 httpd_MsgAdd( answer, "Transport",
1826 "RTP/AVP/UDP;destination=%s;port=%d-%d;ttl=%d",
1827 id->psz_destination, id->i_port,id->i_port+1,
1830 else if( strstr( psz_transport, "unicast" ) && strstr( psz_transport, "client_port=" ) )
1832 int i_port = atoi( strstr( psz_transport, "client_port=" ) + strlen("client_port=") );
1833 char ip[NI_MAXNUMERICHOST], psz_access[17], psz_url[NI_MAXNUMERICHOST + 8];
1835 sout_access_out_t *p_access;
1837 rtsp_client_t *rtsp = NULL;
1839 if( httpd_ClientIP( cl, ip ) == NULL )
1841 answer->i_status = 500;
1842 answer->psz_status = strdup( "Internal server error" );
1844 answer->p_body = NULL;
1848 //fprintf( stderr, "HTTPD_MSG_SETUP: unicast ip=%s port=%d\n", ip, i_port );
1850 psz_session = httpd_MsgGet( query, "Session" );
1853 psz_session = psz_session_init;
1854 rtsp = RtspClientNew( p_stream, psz_session_init );
1858 rtsp = RtspClientGet( p_stream, psz_session );
1861 answer->i_status = 454;
1862 answer->psz_status = strdup( "Unknown session id" );
1864 answer->p_body = NULL;
1869 /* first try to create the access out */
1871 snprintf( psz_access, sizeof( psz_access ),
1872 "udp{raw,ttl=%d}", p_sys->i_ttl );
1874 strlcpy( psz_access, "udp{raw}", sizeof( psz_access ) );
1876 snprintf( psz_url, sizeof( psz_url ),
1877 ( strchr( ip, ':' ) != NULL ) ? "[%s]:%d" : "%s:%d",
1880 if( ( p_access = sout_AccessOutNew( p_stream->p_sout, psz_access, psz_url ) ) == NULL )
1882 msg_Err( p_stream, "cannot create the access out for %s://%s",
1883 psz_access, psz_url );
1884 answer->i_status = 500;
1885 answer->psz_status = strdup( "Internal server error" );
1887 answer->p_body = NULL;
1891 TAB_APPEND( rtsp->i_id, rtsp->id, id );
1892 TAB_APPEND( rtsp->i_access, rtsp->access, p_access );
1894 answer->i_status = 200;
1895 answer->psz_status = strdup( "OK" );
1897 answer->p_body = NULL;
1899 httpd_MsgAdd( answer, "Transport",
1900 "RTP/AVP/UDP;client_port=%d-%d", i_port, i_port + 1 );
1902 else /* TODO strstr( psz_transport, "interleaved" ) ) */
1904 answer->i_status = 461;
1905 answer->psz_status = strdup( "Unsupported Transport" );
1907 answer->p_body = NULL;
1913 return VLC_EGENERIC;
1915 httpd_MsgAdd( answer, "Server", "VLC Server" );
1916 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1917 psz_cseq = httpd_MsgGet( query, "Cseq" );
1919 i_cseq = atoi( psz_cseq );
1922 httpd_MsgAdd( answer, "Cseq", "%d", i_cseq );
1923 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1926 httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
1930 /****************************************************************************
1932 ****************************************************************************/
1933 static void rtp_packetize_common( sout_stream_id_t *id, block_t *out,
1934 int b_marker, int64_t i_pts )
1936 uint32_t i_timestamp = i_pts * (int64_t)id->i_clock_rate / I64C(1000000);
1938 out->p_buffer[0] = 0x80;
1939 out->p_buffer[1] = (b_marker?0x80:0x00)|id->i_payload_type;
1940 out->p_buffer[2] = ( id->i_sequence >> 8)&0xff;
1941 out->p_buffer[3] = ( id->i_sequence )&0xff;
1942 out->p_buffer[4] = ( i_timestamp >> 24 )&0xff;
1943 out->p_buffer[5] = ( i_timestamp >> 16 )&0xff;
1944 out->p_buffer[6] = ( i_timestamp >> 8 )&0xff;
1945 out->p_buffer[7] = ( i_timestamp )&0xff;
1947 out->p_buffer[ 8] = id->ssrc[0];
1948 out->p_buffer[ 9] = id->ssrc[1];
1949 out->p_buffer[10] = id->ssrc[2];
1950 out->p_buffer[11] = id->ssrc[3];
1956 static void rtp_packetize_send( sout_stream_id_t *id, block_t *out )
1959 vlc_mutex_lock( &id->lock_rtsp );
1960 for( i = 0; i < id->i_rtsp_access; i++ )
1962 sout_AccessOutWrite( id->rtsp_access[i], block_Duplicate( out ) );
1964 vlc_mutex_unlock( &id->lock_rtsp );
1968 sout_AccessOutWrite( id->p_access, out );
1972 block_Release( out );
1976 static int rtp_packetize_mpa( sout_stream_t *p_stream, sout_stream_id_t *id,
1979 int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
1980 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1982 uint8_t *p_data = in->p_buffer;
1983 int i_data = in->i_buffer;
1986 for( i = 0; i < i_count; i++ )
1988 int i_payload = __MIN( i_max, i_data );
1989 block_t *out = block_New( p_stream, 16 + i_payload );
1991 /* rtp common header */
1992 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
1994 out->p_buffer[12] = 0;
1995 out->p_buffer[13] = 0;
1996 /* fragment offset in the current frame */
1997 out->p_buffer[14] = ( (i*i_max) >> 8 )&0xff;
1998 out->p_buffer[15] = ( (i*i_max) )&0xff;
1999 memcpy( &out->p_buffer[16], p_data, i_payload );
2001 out->i_buffer = 16 + i_payload;
2002 out->i_dts = in->i_dts + i * in->i_length / i_count;
2003 out->i_length = in->i_length / i_count;
2005 rtp_packetize_send( id, out );
2007 p_data += i_payload;
2008 i_data -= i_payload;
2015 static int rtp_packetize_mpv( sout_stream_t *p_stream, sout_stream_id_t *id,
2018 int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
2019 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2021 uint8_t *p_data = in->p_buffer;
2022 int i_data = in->i_buffer;
2024 int b_sequence_start = 0;
2025 int i_temporal_ref = 0;
2026 int i_picture_coding_type = 0;
2027 int i_fbv = 0, i_bfc = 0, i_ffv = 0, i_ffc = 0;
2028 int b_start_slice = 0;
2030 /* preparse this packet to get some info */
2031 if( in->i_buffer > 4 )
2033 uint8_t *p = p_data;
2034 int i_rest = in->i_buffer;
2038 while( i_rest > 4 &&
2039 ( p[0] != 0x00 || p[1] != 0x00 || p[2] != 0x01 ) )
2053 /* sequence start code */
2054 b_sequence_start = 1;
2056 else if( *p == 0x00 && i_rest >= 4 )
2059 i_temporal_ref = ( p[1] << 2) |((p[2]>>6)&0x03);
2060 i_picture_coding_type = (p[2] >> 3)&0x07;
2062 if( i_rest >= 4 && ( i_picture_coding_type == 2 ||
2063 i_picture_coding_type == 3 ) )
2065 i_ffv = (p[3] >> 2)&0x01;
2066 i_ffc = ((p[3]&0x03) << 1)|((p[4]>>7)&0x01);
2067 if( i_rest > 4 && i_picture_coding_type == 3 )
2069 i_fbv = (p[4]>>6)&0x01;
2070 i_bfc = (p[4]>>3)&0x07;
2074 else if( *p <= 0xaf )
2081 for( i = 0; i < i_count; i++ )
2083 int i_payload = __MIN( i_max, i_data );
2084 block_t *out = block_New( p_stream,
2086 uint32_t h = ( i_temporal_ref << 16 )|
2087 ( b_sequence_start << 13 )|
2088 ( b_start_slice << 12 )|
2089 ( i == i_count - 1 ? 1 << 11 : 0 )|
2090 ( i_picture_coding_type << 8 )|
2091 ( i_fbv << 7 )|( i_bfc << 4 )|( i_ffv << 3 )|i_ffc;
2093 /* rtp common header */
2094 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
2095 in->i_pts > 0 ? in->i_pts : in->i_dts );
2097 /* 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 */
2098 out->p_buffer[12] = ( h >> 24 )&0xff;
2099 out->p_buffer[13] = ( h >> 16 )&0xff;
2100 out->p_buffer[14] = ( h >> 8 )&0xff;
2101 out->p_buffer[15] = ( h )&0xff;
2103 memcpy( &out->p_buffer[16], p_data, i_payload );
2105 out->i_buffer = 16 + 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;
2118 static int rtp_packetize_ac3( sout_stream_t *p_stream, sout_stream_id_t *id,
2121 int i_max = id->i_mtu - 12 - 2; /* payload max in one packet */
2122 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2124 uint8_t *p_data = in->p_buffer;
2125 int i_data = in->i_buffer;
2128 for( i = 0; i < i_count; i++ )
2130 int i_payload = __MIN( i_max, i_data );
2131 block_t *out = block_New( p_stream, 14 + i_payload );
2133 /* rtp common header */
2134 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
2136 out->p_buffer[12] = 1;
2138 out->p_buffer[13] = 0x00;
2140 memcpy( &out->p_buffer[14], p_data, i_payload );
2142 out->i_buffer = 14 + i_payload;
2143 out->i_dts = in->i_dts + i * in->i_length / i_count;
2144 out->i_length = in->i_length / i_count;
2146 rtp_packetize_send( id, out );
2148 p_data += i_payload;
2149 i_data -= i_payload;
2155 static int rtp_packetize_split( sout_stream_t *p_stream, sout_stream_id_t *id,
2158 int i_max = id->i_mtu - 12; /* payload max in one packet */
2159 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2161 uint8_t *p_data = in->p_buffer;
2162 int i_data = in->i_buffer;
2165 for( i = 0; i < i_count; i++ )
2167 int i_payload = __MIN( i_max, i_data );
2168 block_t *out = block_New( p_stream, 12 + i_payload );
2170 /* rtp common header */
2171 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2172 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2173 memcpy( &out->p_buffer[12], p_data, i_payload );
2175 out->i_buffer = 12 + i_payload;
2176 out->i_dts = in->i_dts + i * in->i_length / i_count;
2177 out->i_length = in->i_length / i_count;
2179 rtp_packetize_send( id, out );
2181 p_data += i_payload;
2182 i_data -= i_payload;
2189 static int rtp_packetize_mp4a_latm( sout_stream_t *p_stream, sout_stream_id_t *id,
2192 int i_max = id->i_mtu - 14; /* payload max in one packet */
2193 int latmhdrsize = in->i_buffer / 0xff + 1;
2194 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2196 uint8_t *p_data = in->p_buffer, *p_header = NULL;
2197 int i_data = in->i_buffer;
2200 for( i = 0; i < i_count; i++ )
2202 int i_payload = __MIN( i_max, i_data );
2207 out = block_New( p_stream, 12 + latmhdrsize + i_payload );
2209 /* rtp common header */
2210 rtp_packetize_common( id, out, ((i == i_count - 1) ? 1 : 0),
2211 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2215 int tmp = in->i_buffer;
2217 p_header=out->p_buffer+12;
2227 memcpy( &out->p_buffer[12+latmhdrsize], p_data, i_payload );
2229 out->i_buffer = 12 + latmhdrsize + i_payload;
2230 out->i_dts = in->i_dts + i * in->i_length / i_count;
2231 out->i_length = in->i_length / i_count;
2233 rtp_packetize_send( id, out );
2235 p_data += i_payload;
2236 i_data -= i_payload;
2242 static int rtp_packetize_l16( sout_stream_t *p_stream, sout_stream_id_t *id,
2245 int i_max = id->i_mtu - 12; /* payload max in one packet */
2246 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2248 uint8_t *p_data = in->p_buffer;
2249 int i_data = in->i_buffer;
2254 int i_payload = (__MIN( i_max, i_data )/4)*4;
2255 block_t *out = block_New( p_stream, 12 + i_payload );
2257 /* rtp common header */
2258 rtp_packetize_common( id, out, 0,
2259 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2260 memcpy( &out->p_buffer[12], p_data, i_payload );
2262 out->i_buffer = 12 + i_payload;
2263 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
2264 out->i_length = in->i_length / i_count;
2266 rtp_packetize_send( id, out );
2268 p_data += i_payload;
2269 i_data -= i_payload;
2276 static int rtp_packetize_l8( sout_stream_t *p_stream, sout_stream_id_t *id,
2279 int i_max = id->i_mtu - 12; /* payload max in one packet */
2280 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2282 uint8_t *p_data = in->p_buffer;
2283 int i_data = in->i_buffer;
2288 int i_payload = (__MIN( i_max, i_data )/2)*2;
2289 block_t *out = block_New( p_stream, 12 + i_payload );
2291 /* rtp common header */
2292 rtp_packetize_common( id, out, 0,
2293 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2294 memcpy( &out->p_buffer[12], p_data, i_payload );
2296 out->i_buffer = 12 + i_payload;
2297 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
2298 out->i_length = in->i_length / i_count;
2300 rtp_packetize_send( id, out );
2302 p_data += i_payload;
2303 i_data -= i_payload;
2309 static int rtp_packetize_mp4a( sout_stream_t *p_stream, sout_stream_id_t *id,
2312 int i_max = id->i_mtu - 16; /* payload max in one packet */
2313 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2315 uint8_t *p_data = in->p_buffer;
2316 int i_data = in->i_buffer;
2319 for( i = 0; i < i_count; i++ )
2321 int i_payload = __MIN( i_max, i_data );
2322 block_t *out = block_New( p_stream, 16 + i_payload );
2324 /* rtp common header */
2325 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2326 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2328 /* AU headers length (bits) */
2329 out->p_buffer[12] = 0;
2330 out->p_buffer[13] = 2*8;
2331 /* for each AU length 13 bits + idx 3bits, */
2332 out->p_buffer[14] = ( in->i_buffer >> 5 )&0xff;
2333 out->p_buffer[15] = ( (in->i_buffer&0xff)<<3 )|0;
2335 memcpy( &out->p_buffer[16], p_data, i_payload );
2337 out->i_buffer = 16 + i_payload;
2338 out->i_dts = in->i_dts + i * in->i_length / i_count;
2339 out->i_length = in->i_length / i_count;
2341 rtp_packetize_send( id, out );
2343 p_data += i_payload;
2344 i_data -= i_payload;
2352 #define RTP_H263_HEADER_SIZE (2) // plen = 0
2353 #define RTP_H263_PAYLOAD_START (14) // plen = 0
2354 static int rtp_packetize_h263( sout_stream_t *p_stream, sout_stream_id_t *id,
2357 uint8_t *p_data = in->p_buffer;
2358 int i_data = in->i_buffer;
2360 int i_max = id->i_mtu - 12 - RTP_H263_HEADER_SIZE; /* payload max in one packet */
2363 int b_v_bit = 0; // no pesky error resilience
2364 int i_plen = 0; // normally plen=0 for PSC packet
2365 int i_pebit = 0; // because plen=0
2370 return VLC_EGENERIC;
2372 if( p_data[0] || p_data[1] )
2374 return VLC_EGENERIC;
2376 /* remove 2 leading 0 bytes */
2379 i_count = ( i_data + i_max - 1 ) / i_max;
2381 for( i = 0; i < i_count; i++ )
2383 int i_payload = __MIN( i_max, i_data );
2384 block_t *out = block_New( p_stream,
2385 RTP_H263_PAYLOAD_START + i_payload );
2386 b_p_bit = (i == 0) ? 1 : 0;
2387 h = ( b_p_bit << 10 )|
2392 /* rtp common header */
2393 //b_m_bit = 1; // always contains end of frame
2394 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
2395 in->i_pts > 0 ? in->i_pts : in->i_dts );
2398 out->p_buffer[12] = ( h >> 8 )&0xff;
2399 out->p_buffer[13] = ( h )&0xff;
2400 memcpy( &out->p_buffer[RTP_H263_PAYLOAD_START], p_data, i_payload );
2402 out->i_buffer = RTP_H263_PAYLOAD_START + i_payload;
2403 out->i_dts = in->i_dts + i * in->i_length / i_count;
2404 out->i_length = in->i_length / i_count;
2406 rtp_packetize_send( id, out );
2408 p_data += i_payload;
2409 i_data -= i_payload;
2416 static int rtp_packetize_h264_nal( sout_stream_t *p_stream, sout_stream_id_t *id,
2417 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 )
2419 const int i_max = id->i_mtu - 12; /* payload max in one packet */
2426 i_nal_hdr = p_data[3];
2427 i_nal_type = i_nal_hdr&0x1f;
2428 if( i_nal_type == 7 || i_nal_type == 8 )
2430 /* XXX Why do you want to remove them ? It will break streaming with
2431 * SPS/PPS change (broadcast) ? */
2435 /* Skip start code */
2440 if( i_data <= i_max )
2442 /* Single NAL unit packet */
2443 block_t *out = block_New( p_stream, 12 + i_data );
2445 out->i_length = i_length;
2448 rtp_packetize_common( id, out, b_last, i_pts );
2449 out->i_buffer = 12 + i_data;
2451 memcpy( &out->p_buffer[12], p_data, i_data );
2453 rtp_packetize_send( id, out );
2457 /* FU-A Fragmentation Unit without interleaving */
2458 const int i_count = ( i_data-1 + i_max-2 - 1 ) / (i_max-2);
2464 for( i = 0; i < i_count; i++ )
2466 const int i_payload = __MIN( i_data, i_max-2 );
2467 block_t *out = block_New( p_stream, 12 + 2 + i_payload );
2468 out->i_dts = i_dts + i * i_length / i_count;
2469 out->i_length = i_length / i_count;
2472 rtp_packetize_common( id, out, (b_last && i_payload == i_data), i_pts );
2473 out->i_buffer = 14 + i_payload;
2476 out->p_buffer[12] = 0x00 | (i_nal_hdr & 0x60) | 28;
2478 out->p_buffer[13] = ( i == 0 ? 0x80 : 0x00 ) | ( (i == i_count-1) ? 0x40 : 0x00 ) | i_nal_type;
2479 memcpy( &out->p_buffer[14], p_data, i_payload );
2481 rtp_packetize_send( id, out );
2483 i_data -= i_payload;
2484 p_data += i_payload;
2490 static int rtp_packetize_h264( sout_stream_t *p_stream, sout_stream_id_t *id,
2493 const uint8_t *p_buffer = in->p_buffer;
2494 int i_buffer = in->i_buffer;
2496 while( i_buffer > 4 && ( p_buffer[0] != 0 || p_buffer[1] != 0 || p_buffer[2] != 1 ) )
2502 /* Split nal units */
2503 while( i_buffer > 4 )
2506 int i_size = i_buffer;
2507 int i_skip = i_buffer;
2509 /* search nal end */
2510 for( i_offset = 4; i_offset+2 < i_buffer ; i_offset++)
2512 if( p_buffer[i_offset] == 0 && p_buffer[i_offset+1] == 0 && p_buffer[i_offset+2] == 1 )
2514 /* we found another startcode */
2515 i_size = i_offset - ( p_buffer[i_offset-1] == 0 ? 1 : 0);
2520 /* TODO add STAP-A to remove a lot of overhead with small slice/sei/... */
2521 rtp_packetize_h264_nal( p_stream, id, p_buffer, i_size,
2522 (in->i_pts > 0 ? in->i_pts : in->i_dts), in->i_dts,
2523 (i_size >= i_buffer), in->i_length * i_size / in->i_buffer );
2531 static int rtp_packetize_amr( sout_stream_t *p_stream, sout_stream_id_t *id,
2534 int i_max = id->i_mtu - 14; /* payload max in one packet */
2535 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2537 uint8_t *p_data = in->p_buffer;
2538 int i_data = in->i_buffer;
2541 /* Only supports octet-aligned mode */
2542 for( i = 0; i < i_count; i++ )
2544 int i_payload = __MIN( i_max, i_data );
2545 block_t *out = block_New( p_stream, 14 + i_payload );
2547 /* rtp common header */
2548 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2549 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2550 /* Payload header */
2551 out->p_buffer[12] = 0xF0; /* CMR */
2552 out->p_buffer[13] = p_data[0]&0x7C; /* ToC */ /* FIXME: frame type */
2554 /* FIXME: are we fed multiple frames ? */
2555 memcpy( &out->p_buffer[14], p_data+1, i_payload-1 );
2557 out->i_buffer = 14 + i_payload-1;
2558 out->i_dts = in->i_dts + i * in->i_length / i_count;
2559 out->i_length = in->i_length / i_count;
2561 rtp_packetize_send( id, out );
2563 p_data += i_payload;
2564 i_data -= i_payload;