1 /*****************************************************************************
2 * rtp.c: rtp stream output module
3 *****************************************************************************
4 * Copyright (C) 2003-2004 the VideoLAN team
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
35 #include <vlc/input.h>
38 #include "vlc_httpd.h"
43 /*****************************************************************************
45 *****************************************************************************/
49 #define DST_TEXT N_("Destination")
50 #define DST_LONGTEXT N_( \
51 "This is the output URL that will be used." )
52 #define SDP_TEXT N_("SDP")
53 #define SDP_LONGTEXT N_( \
54 "This allows you to specify how the SDP (Session Descriptor) for this RTP "\
55 "session will be made available. You must use an url: http://location to " \
56 "access the SDP via HTTP, rtsp://location for RTSP access, and sap:// " \
57 "for the SDP to be announced via SAP." )
58 #define MUX_TEXT N_("Muxer")
59 #define MUX_LONGTEXT N_( \
60 "This allows you to specify the muxer used for the streaming output. " \
61 "Default is to use no muxer (standard RTP stream)." )
63 #define NAME_TEXT N_("Session name")
64 #define NAME_LONGTEXT N_( \
65 "This is the name of the session that will be announced in the SDP " \
66 "(Session Descriptor)." )
67 #define DESC_TEXT N_("Session description")
68 #define DESC_LONGTEXT N_( \
69 "This allows you to give a broader description of the stream, that will " \
70 "be announced in the SDP (Session Descriptor)." )
71 #define URL_TEXT N_("Session URL")
72 #define URL_LONGTEXT N_( \
73 "This allows you to give an URL with more details about the stream " \
74 "(often the website of the streaming organization), that will " \
75 "be announced in the SDP (Session Descriptor)." )
76 #define EMAIL_TEXT N_("Session email")
77 #define EMAIL_LONGTEXT N_( \
78 "This allows you to give a contact mail address for the stream, that will " \
79 "be announced in the SDP (Session Descriptor)." )
80 #define PORT_TEXT N_("Port")
81 #define PORT_LONGTEXT N_( \
82 "This allows you to specify the base port for the RTP streaming." )
83 #define PORT_AUDIO_TEXT N_("Audio port")
84 #define PORT_AUDIO_LONGTEXT N_( \
85 "This allows you to specify the default audio port for the RTP streaming." )
86 #define PORT_VIDEO_TEXT N_("Video port")
87 #define PORT_VIDEO_LONGTEXT N_( \
88 "This allows you to specify the default video port for the RTP streaming." )
90 #define TTL_TEXT N_("Time-To-Live (TTL)")
91 #define TTL_LONGTEXT N_( \
92 "This allows you to specify the Time-To-Live for the output stream." )
94 #define RFC3016_TEXT N_("MP4A LATM")
95 #define RFC3016_LONGTEXT N_( \
96 "This allows you to stream MPEG4 LATM audio streams (see RFC3016)." )
98 static int Open ( vlc_object_t * );
99 static void Close( vlc_object_t * );
101 #define SOUT_CFG_PREFIX "sout-rtp-"
104 set_shortname( _("RTP"));
105 set_description( _("RTP stream output") );
106 set_capability( "sout stream", 0 );
107 add_shortcut( "rtp" );
108 set_category( CAT_SOUT );
109 set_subcategory( SUBCAT_SOUT_STREAM );
111 add_string( SOUT_CFG_PREFIX "dst", "", NULL, DST_TEXT,
112 DST_LONGTEXT, VLC_TRUE );
113 add_string( SOUT_CFG_PREFIX "sdp", "", NULL, SDP_TEXT,
114 SDP_LONGTEXT, VLC_TRUE );
115 add_string( SOUT_CFG_PREFIX "mux", "", NULL, MUX_TEXT,
116 MUX_LONGTEXT, VLC_TRUE );
118 add_string( SOUT_CFG_PREFIX "name", "NONE", NULL, NAME_TEXT,
119 NAME_LONGTEXT, VLC_TRUE );
120 add_string( SOUT_CFG_PREFIX "description", "", NULL, DESC_TEXT,
121 DESC_LONGTEXT, VLC_TRUE );
122 add_string( SOUT_CFG_PREFIX "url", "", NULL, URL_TEXT,
123 URL_LONGTEXT, VLC_TRUE );
124 add_string( SOUT_CFG_PREFIX "email", "", NULL, EMAIL_TEXT,
125 EMAIL_LONGTEXT, VLC_TRUE );
127 add_integer( SOUT_CFG_PREFIX "port", 1234, NULL, PORT_TEXT,
128 PORT_LONGTEXT, VLC_TRUE );
129 add_integer( SOUT_CFG_PREFIX "port-audio", 1230, NULL, PORT_AUDIO_TEXT,
130 PORT_AUDIO_LONGTEXT, VLC_TRUE );
131 add_integer( SOUT_CFG_PREFIX "port-video", 1232, NULL, PORT_VIDEO_TEXT,
132 PORT_VIDEO_LONGTEXT, VLC_TRUE );
134 add_integer( SOUT_CFG_PREFIX "ttl", 0, NULL, TTL_TEXT,
135 TTL_LONGTEXT, VLC_TRUE );
137 add_bool( SOUT_CFG_PREFIX "mp4a-latm", 0, NULL, RFC3016_TEXT,
138 RFC3016_LONGTEXT, VLC_FALSE );
140 set_callbacks( Open, Close );
143 /*****************************************************************************
144 * Exported prototypes
145 *****************************************************************************/
146 static const char *ppsz_sout_options[] = {
147 "dst", "name", "port", "port-audio", "port-video", "*sdp", "ttl", "mux",
148 "description", "url","email", "mp4a-latm", NULL
151 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
152 static int Del ( sout_stream_t *, sout_stream_id_t * );
153 static int Send( sout_stream_t *, sout_stream_id_t *,
156 /* For unicast/interleaved streaming */
160 int64_t i_last; /* for timeout */
162 /* is it in "play" state */
163 vlc_bool_t b_playing;
165 /* output (id-access) */
167 sout_stream_id_t **id;
169 sout_access_out_t **access;
172 struct sout_stream_sys_t
178 vlc_mutex_t lock_sdp;
180 char *psz_session_name;
181 char *psz_session_description;
182 char *psz_session_url;
183 char *psz_session_email;
186 vlc_bool_t b_export_sdp_file;
189 vlc_bool_t b_export_sap;
190 session_descriptor_t *p_session;
192 httpd_host_t *p_httpd_host;
193 httpd_file_t *p_httpd_file;
195 httpd_host_t *p_rtsp_host;
196 httpd_url_t *p_rtsp_url;
197 char *psz_rtsp_control;
201 char *psz_destination;
208 /* when need to use a private one or when using muxer */
211 /* in case we do TS/PS over rtp */
213 sout_access_out_t *p_access;
215 sout_access_out_t *p_grab;
217 uint32_t i_timestamp_start;
224 sout_stream_id_t **es;
228 rtsp_client_t **rtsp;
231 typedef int (*pf_rtp_packetizer_t)( sout_stream_t *, sout_stream_id_t *,
234 struct sout_stream_id_t
236 sout_stream_t *p_stream;
238 uint8_t i_payload_type;
240 uint32_t i_timestamp_start;
247 char *psz_destination;
252 /* Packetizer specific fields */
253 pf_rtp_packetizer_t pf_packetize;
256 /* for sending the packets */
257 sout_access_out_t *p_access;
259 vlc_mutex_t lock_rtsp;
261 sout_access_out_t **rtsp_access;
264 sout_input_t *p_input;
266 /* RTSP url control */
267 httpd_url_t *p_rtsp_url;
270 static int AccessOutGrabberWrite( sout_access_out_t *, block_t * );
272 static void SDPHandleUrl( sout_stream_t *, char * );
274 static int SapSetup( sout_stream_t *p_stream );
275 static int FileSetup( sout_stream_t *p_stream );
276 static int HttpSetup( sout_stream_t *p_stream, vlc_url_t * );
277 static int RtspSetup( sout_stream_t *p_stream, vlc_url_t * );
279 static int RtspCallback( httpd_callback_sys_t *, httpd_client_t *,
280 httpd_message_t *, httpd_message_t * );
281 static int RtspCallbackId( httpd_callback_sys_t *, httpd_client_t *,
282 httpd_message_t *, httpd_message_t * );
285 static rtsp_client_t *RtspClientNew( sout_stream_t *, char *psz_session );
286 static rtsp_client_t *RtspClientGet( sout_stream_t *, char *psz_session );
287 static void RtspClientDel( sout_stream_t *, rtsp_client_t * );
289 /*****************************************************************************
291 *****************************************************************************/
292 static int Open( vlc_object_t *p_this )
294 sout_stream_t *p_stream = (sout_stream_t*)p_this;
295 sout_instance_t *p_sout = p_stream->p_sout;
296 sout_stream_sys_t *p_sys = NULL;
297 sout_cfg_t *p_cfg = NULL;
299 vlc_bool_t b_rtsp = VLC_FALSE;
301 sout_CfgParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options, p_stream->p_cfg );
303 p_sys = malloc( sizeof( sout_stream_sys_t ) );
305 p_sys->psz_destination = var_GetString( p_stream, SOUT_CFG_PREFIX "dst" );
306 if( *p_sys->psz_destination == '\0' )
308 free( p_sys->psz_destination );
309 p_sys->psz_destination = NULL;
312 p_sys->psz_session_name = var_GetString( p_stream, SOUT_CFG_PREFIX "name" );
313 p_sys->psz_session_description = var_GetString( p_stream, SOUT_CFG_PREFIX "description" );
314 p_sys->psz_session_url = var_GetString( p_stream, SOUT_CFG_PREFIX "url" );
315 p_sys->psz_session_email = var_GetString( p_stream, SOUT_CFG_PREFIX "email" );
317 p_sys->i_port = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port" );
318 p_sys->i_port_audio = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port-audio" );
319 p_sys->i_port_video = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port-video" );
321 p_sys->psz_sdp_file = NULL;
323 if( p_sys->i_port_audio == p_sys->i_port_video )
325 msg_Err( p_stream, "audio and video port cannot be the same" );
326 p_sys->i_port_audio = 0;
327 p_sys->i_port_video = 0;
330 if( !p_sys->psz_session_name )
332 if( p_sys->psz_destination )
333 p_sys->psz_session_name = strdup( p_sys->psz_destination );
335 p_sys->psz_session_name = strdup( "NONE" );
338 for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
340 if( !strcmp( p_cfg->psz_name, "sdp" ) )
342 if( p_cfg->psz_value && !strncasecmp( p_cfg->psz_value, "rtsp", 4 ) )
352 var_Get( p_stream, SOUT_CFG_PREFIX "sdp", &val2 );
353 if( !strncasecmp( val2.psz_string, "rtsp", 4 ) )
355 free( val2.psz_string );
358 if( !p_sys->psz_destination || *p_sys->psz_destination == '\0' )
362 msg_Err( p_stream, "missing destination and not in rtsp mode" );
366 p_sys->psz_destination = NULL;
368 else if( p_sys->i_port <= 0 )
370 msg_Err( p_stream, "invalid port" );
375 var_Get( p_stream, SOUT_CFG_PREFIX "ttl", &val );
378 /* Normally, we should let the default hop limit up to the core,
379 * but we have to know it to build our SDP properly, which is why
380 * we ask the core. FIXME: broken when neither sout-rtp-ttl nor
382 val.i_int = config_GetInt( p_stream, "ttl" );
384 if( val.i_int > 255 ) val.i_int = 255;
385 /* must not exceed 999 once formatted */
389 msg_Err( p_stream, "illegal TTL %d", val.i_int );
393 p_sys->i_ttl = val.i_int;
396 var_Get( p_stream, SOUT_CFG_PREFIX "mp4a-latm", &val );
397 p_sys->b_latm = val.b_bool;
399 p_sys->i_payload_type = 96;
404 p_sys->psz_sdp = NULL;
406 p_sys->i_sdp_id = mdate();
407 p_sys->i_sdp_version = 1;
408 p_sys->psz_sdp = NULL;
410 p_sys->b_export_sap = VLC_FALSE;
411 p_sys->b_export_sdp_file = VLC_FALSE;
412 p_sys->p_session = NULL;
414 p_sys->p_httpd_host = NULL;
415 p_sys->p_httpd_file = NULL;
416 p_sys->p_rtsp_host = NULL;
417 p_sys->p_rtsp_url = NULL;
418 p_sys->psz_rtsp_control = NULL;
419 p_sys->psz_rtsp_path = NULL;
421 vlc_mutex_init( p_stream, &p_sys->lock_sdp );
422 vlc_mutex_init( p_stream, &p_sys->lock_es );
424 p_stream->pf_add = Add;
425 p_stream->pf_del = Del;
426 p_stream->pf_send = Send;
428 p_stream->p_sys = p_sys;
430 var_Get( p_stream, SOUT_CFG_PREFIX "mux", &val );
431 if( *val.psz_string )
433 sout_access_out_t *p_grab;
434 char *psz_rtpmap, url[NI_MAXHOST + 8], access[17], psz_ttl[5], ipv;
438 msg_Err( p_stream, "muxing is not supported in RTSP mode" );
442 else if( !p_sys->psz_destination || *p_sys->psz_destination == '\0' )
444 msg_Err( p_stream, "rtp needs a destination when muxing" );
449 /* Check muxer type */
450 if( !strncasecmp( val.psz_string, "ps", 2 ) || !strncasecmp( val.psz_string, "mpeg1", 5 ) )
452 psz_rtpmap = "MP2P/90000";
454 else if( !strncasecmp( val.psz_string, "ts", 2 ) )
456 psz_rtpmap = "MP2T/90000";
457 p_sys->i_payload_type = 33;
461 msg_Err( p_stream, "unsupported muxer type with rtp (only ts/ps)" );
466 /* create the access out */
467 if( p_sys->i_ttl > 0 )
469 sprintf( access, "udp{raw,ttl=%d}", p_sys->i_ttl );
473 sprintf( access, "udp{raw}" );
476 /* IPv6 needs brackets if not already present */
477 snprintf( url, sizeof( url ),
478 ( ( p_sys->psz_destination[0] != '[' )
479 && ( strchr( p_sys->psz_destination, ':' ) != NULL ) )
480 ? "[%s]:%d" : "%s:%d", p_sys->psz_destination,
482 url[sizeof( url ) - 1] = '\0';
483 /* FIXME: we should check that url is a numerical address, otherwise
484 * the SDP will be quite broken (regardless of the IP protocol version)
485 * Also it might be IPv6 with no ':' if it is a DNS name.
487 ipv = ( strchr( p_sys->psz_destination, ':' ) != NULL ) ? '6' : '4';
489 if( !( p_sys->p_access = sout_AccessOutNew( p_sout, access, url ) ) )
491 msg_Err( p_stream, "cannot create the access out for %s://%s",
496 p_sys->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beurk */
497 if( p_sys->i_mtu <= 16 + MTU_REDUCE )
499 /* better than nothing */
502 p_sys->i_mtu -= MTU_REDUCE;
504 /* the access out grabber TODO export it as sout_AccessOutGrabberNew */
505 p_grab = p_sys->p_grab =
506 vlc_object_create( p_sout, sizeof( sout_access_out_t ) );
507 p_grab->p_module = NULL;
508 p_grab->p_sout = p_sout;
509 p_grab->psz_access = strdup( "grab" );
510 p_grab->p_cfg = NULL;
511 p_grab->psz_name = strdup( "" );
512 p_grab->p_sys = (sout_access_out_sys_t*)p_stream;
513 p_grab->pf_seek = NULL;
514 p_grab->pf_write = AccessOutGrabberWrite;
517 if( !( p_sys->p_mux = sout_MuxNew( p_sout, val.psz_string, p_sys->p_grab ) ) )
519 msg_Err( p_stream, "cannot create the muxer (%s)", val.psz_string );
520 sout_AccessOutDelete( p_sys->p_grab );
521 sout_AccessOutDelete( p_sys->p_access );
526 /* create the SDP for a muxed stream (only once) */
527 /* FIXME http://www.faqs.org/rfcs/rfc4566.html
528 All text fields should be UTF-8 encoded. Use global a:charset to announce this.
529 o= - should be local username (no spaces allowed)
530 o= time should be hashed with some other value to garantee uniqueness
531 o= don't use the localhost address. use fully qualified domain name or IP4 address
532 p= international phone number (pass via vars?)
533 a= recvonly (missing)
534 a= type:broadcast (missing)
535 a= charset: (normally charset should be UTF-8, this can be used to override s= and i=)
536 a= x-plgroup: (missing)
537 RTP packets need to get the correct src IP address */
538 if( net_AddressIsMulticast( (vlc_object_t *)p_stream, p_sys->psz_destination ) )
540 snprintf( psz_ttl, sizeof( psz_ttl ), "/%d", p_sys->i_ttl );
541 psz_ttl[sizeof( psz_ttl ) - 1] = '\0';
548 asprintf( &p_sys->psz_sdp,
550 /* FIXME: source address not known :( */
551 "o=- "I64Fd" %d IN IP%c %s\r\n"
557 "a=tool:"PACKAGE_STRING"\r\n"
558 "t=0 0\r\n" /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
559 "m=video %d RTP/AVP %d\r\n"
560 "a=rtpmap:%d %s\r\n",
561 p_sys->i_sdp_id, p_sys->i_sdp_version,
562 ipv, ipv == '6' ? "::1" : "127.0.0.1" /* FIXME */,
563 p_sys->psz_session_name,
564 p_sys->psz_session_description,
565 p_sys->psz_session_url,
566 p_sys->psz_session_email,
567 ipv, p_sys->psz_destination, psz_ttl,
568 p_sys->i_port, p_sys->i_payload_type,
569 p_sys->i_payload_type, psz_rtpmap );
570 msg_Dbg( p_stream, "sdp=%s", p_sys->psz_sdp );
572 /* create the rtp context */
573 p_sys->ssrc[0] = rand()&0xff;
574 p_sys->ssrc[1] = rand()&0xff;
575 p_sys->ssrc[2] = rand()&0xff;
576 p_sys->ssrc[3] = rand()&0xff;
577 p_sys->i_sequence = rand()&0xffff;
578 p_sys->i_timestamp_start = rand()&0xffffffff;
579 p_sys->packet = NULL;
584 p_sys->p_access = NULL;
585 p_sys->p_grab = NULL;
587 free( val.psz_string );
590 var_Get( p_stream, SOUT_CFG_PREFIX "sdp", &val );
591 if( *val.psz_string )
595 SDPHandleUrl( p_stream, val.psz_string );
597 for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
599 if( !strcmp( p_cfg->psz_name, "sdp" ) )
601 if( p_cfg->psz_value == NULL || *p_cfg->psz_value == '\0' )
604 if( !strcmp( p_cfg->psz_value, val.psz_string ) ) /* needed both :sout-rtp-sdp= and rtp{sdp=} can be used */
607 SDPHandleUrl( p_stream, p_cfg->psz_value );
611 free( val.psz_string );
613 /* update p_sout->i_out_pace_nocontrol */
614 p_stream->p_sout->i_out_pace_nocontrol++;
619 /*****************************************************************************
621 *****************************************************************************/
622 static void Close( vlc_object_t * p_this )
624 sout_stream_t *p_stream = (sout_stream_t*)p_this;
625 sout_stream_sys_t *p_sys = p_stream->p_sys;
627 /* update p_sout->i_out_pace_nocontrol */
628 p_stream->p_sout->i_out_pace_nocontrol--;
632 sout_MuxDelete( p_sys->p_mux );
633 sout_AccessOutDelete( p_sys->p_access );
634 sout_AccessOutDelete( p_sys->p_grab );
637 block_Release( p_sys->packet );
639 if( p_sys->b_export_sap )
642 SapSetup( p_stream );
646 while( p_sys->i_rtsp > 0 )
648 RtspClientDel( p_stream, p_sys->rtsp[0] );
651 vlc_mutex_destroy( &p_sys->lock_sdp );
653 if( p_sys->p_httpd_file )
655 httpd_FileDelete( p_sys->p_httpd_file );
657 if( p_sys->p_httpd_host )
659 httpd_HostDelete( p_sys->p_httpd_host );
661 if( p_sys->p_rtsp_url )
663 httpd_UrlDelete( p_sys->p_rtsp_url );
665 if( p_sys->p_rtsp_host )
667 httpd_HostDelete( p_sys->p_rtsp_host );
669 if( p_sys->psz_session_name )
671 free( p_sys->psz_session_name );
672 p_sys->psz_session_name = NULL;
674 if( p_sys->psz_session_description )
676 free( p_sys->psz_session_description );
677 p_sys->psz_session_description = NULL;
679 if( p_sys->psz_session_url )
681 free( p_sys->psz_session_url );
682 p_sys->psz_session_url = NULL;
684 if( p_sys->psz_session_email )
686 free( p_sys->psz_session_email );
687 p_sys->psz_session_email = NULL;
691 free( p_sys->psz_sdp );
692 p_sys->psz_sdp = NULL;
694 if( p_sys->b_export_sdp_file )
697 unlink( p_sys->psz_sdp_file );
699 free( p_sys->psz_sdp_file );
704 /*****************************************************************************
706 *****************************************************************************/
707 static void SDPHandleUrl( sout_stream_t *p_stream, char *psz_url )
709 sout_stream_sys_t *p_sys = p_stream->p_sys;
712 vlc_UrlParse( &url, psz_url, 0 );
713 if( url.psz_protocol && !strcasecmp( url.psz_protocol, "http" ) )
715 if( p_sys->p_httpd_file )
717 msg_Err( p_stream, "you can use sdp=http:// only once" );
721 if( HttpSetup( p_stream, &url ) )
723 msg_Err( p_stream, "cannot export sdp as http" );
726 else if( url.psz_protocol && !strcasecmp( url.psz_protocol, "rtsp" ) )
728 if( p_sys->p_rtsp_url )
730 msg_Err( p_stream, "you can use sdp=rtsp:// only once" );
734 /* FIXME test if destination is multicast or no destination at all FIXME */
735 if( RtspSetup( p_stream, &url ) )
737 msg_Err( p_stream, "cannot export sdp as rtsp" );
740 else if( ( url.psz_protocol && !strcasecmp( url.psz_protocol, "sap" ) ) ||
741 ( url.psz_host && !strcasecmp( url.psz_host, "sap" ) ) )
743 p_sys->b_export_sap = VLC_TRUE;
744 SapSetup( p_stream );
746 else if( url.psz_protocol && !strcasecmp( url.psz_protocol, "file" ) )
748 if( p_sys->b_export_sdp_file )
750 msg_Err( p_stream, "you can use sdp=file:// only once" );
753 p_sys->b_export_sdp_file = VLC_TRUE;
754 psz_url = &psz_url[5];
755 if( psz_url[0] == '/' && psz_url[1] == '/' )
757 p_sys->psz_sdp_file = strdup( psz_url );
761 msg_Warn( p_stream, "unknown protocol for SDP (%s)",
764 vlc_UrlClean( &url );
767 /*****************************************************************************
769 *****************************************************************************/
770 /* FIXME http://www.faqs.org/rfcs/rfc2327.html
771 All text fields should be UTF-8 encoded. Use global a:charset to announce this.
772 o= - should be local username (no spaces allowed)
773 o= time should be hashed with some other value to garantue uniqueness
774 o= we need IP6 support?
775 o= don't use the localhost address. use fully qualified domain name or IP4 address
776 p= international phone number (pass via vars?)
778 a= recvonly (missing)
779 a= type:broadcast (missing)
780 a= charset: (normally charset should be UTF-8, this can be used to override s= and i=)
781 a= x-plgroup: (missing)
782 RTP packets need to get the correct src IP address */
783 static char *SDPGenerate( const sout_stream_t *p_stream,
784 const char *psz_destination, vlc_bool_t b_rtsp )
786 sout_stream_sys_t *p_sys = p_stream->p_sys;
788 char *psz_sdp, *p, ipv;
791 /* FIXME: breaks IP version check on unknown destination */
792 if( psz_destination == NULL )
793 psz_destination = "0.0.0.0";
795 i_size = sizeof( "v=0\r\n" ) +
796 sizeof( "o=- * * IN IP4 127.0.0.1\r\n" ) + 10 + 10 +
797 sizeof( "s=*\r\n" ) + strlen( p_sys->psz_session_name ) +
798 sizeof( "i=*\r\n" ) + strlen( p_sys->psz_session_description ) +
799 sizeof( "u=*\r\n" ) + strlen( p_sys->psz_session_url ) +
800 sizeof( "e=*\r\n" ) + strlen( p_sys->psz_session_email ) +
801 sizeof( "t=0 0\r\n" ) + /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
802 sizeof( "a=tool:"PACKAGE_STRING"\r\n" ) +
803 sizeof( "c=IN IP4 */*\r\n" ) + 20 + 10 +
804 strlen( psz_destination ) ;
805 for( i = 0; i < p_sys->i_es; i++ )
807 sout_stream_id_t *id = p_sys->es[i];
809 i_size += strlen( "m=**d*o * RTP/AVP *\r\n" ) + 10 + 10;
812 i_size += strlen( "a=rtpmap:* *\r\n" ) + strlen( id->psz_rtpmap )+10;
816 i_size += strlen( "a=fmtp:* *\r\n" ) + strlen( id->psz_fmtp ) + 10;
820 i_size += strlen( "b=AS: *\r\n") + 10;
824 i_size += strlen( "a=control:*/trackID=*\r\n" ) + strlen( p_sys->psz_rtsp_control ) + 10;
829 i_size += strlen( "m=video %d RTP/AVP %d\r\n" ) +10 +10;
832 ipv = ( strchr( psz_destination, ':' ) != NULL ) ? '6' : '4';
834 p = psz_sdp = malloc( i_size );
835 p += sprintf( p, "v=0\r\n" );
836 p += sprintf( p, "o=- "I64Fd" %d IN IP%c %s\r\n",
837 p_sys->i_sdp_id, p_sys->i_sdp_version,
838 ipv, ipv == '6' ? "::" : "127.0.0.1" );
839 if( *p_sys->psz_session_name )
840 p += sprintf( p, "s=%s\r\n", p_sys->psz_session_name );
841 if( *p_sys->psz_session_description )
842 p += sprintf( p, "i=%s\r\n", p_sys->psz_session_description );
843 if( *p_sys->psz_session_url )
844 p += sprintf( p, "u=%s\r\n", p_sys->psz_session_url );
845 if( *p_sys->psz_session_email )
846 p += sprintf( p, "e=%s\r\n", p_sys->psz_session_email );
848 p += sprintf( p, "t=0 0\r\n" ); /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
849 p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" );
851 p += sprintf( p, "c=IN IP%c %s", ipv, psz_destination );
853 if( net_AddressIsMulticast( (vlc_object_t *)p_stream, psz_destination ) )
855 /* Add the ttl if it is a multicast address */
856 /* FIXME: 1 is not a correct default value in the case of IPv6 */
857 p += sprintf( p, "/%d\r\n", p_sys->i_ttl ?: 1 );
861 p += sprintf( p, "\r\n" );
864 for( i = 0; i < p_sys->i_es; i++ )
866 sout_stream_id_t *id = p_sys->es[i];
868 if( id->i_cat == AUDIO_ES )
870 p += sprintf( p, "m=audio %d RTP/AVP %d\r\n",
871 id->i_port, id->i_payload_type );
873 else if( id->i_cat == VIDEO_ES )
875 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
876 id->i_port, id->i_payload_type );
884 p += sprintf( p, "a=rtpmap:%d %s\r\n", id->i_payload_type,
889 p += sprintf( p, "a=fmtp:%d %s\r\n", id->i_payload_type,
894 p += sprintf(p,"b=AS:%d\r\n",id->i_bitrate);
898 p += sprintf( p, "a=control:trackID=%d\r\n", i );
903 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
904 p_sys->i_port, p_sys->i_payload_type );
910 /*****************************************************************************
912 *****************************************************************************/
913 static int rtp_packetize_l16 ( sout_stream_t *, sout_stream_id_t *, block_t * );
914 static int rtp_packetize_l8 ( sout_stream_t *, sout_stream_id_t *, block_t * );
915 static int rtp_packetize_mpa ( sout_stream_t *, sout_stream_id_t *, block_t * );
916 static int rtp_packetize_mpv ( sout_stream_t *, sout_stream_id_t *, block_t * );
917 static int rtp_packetize_ac3 ( sout_stream_t *, sout_stream_id_t *, block_t * );
918 static int rtp_packetize_split( sout_stream_t *, sout_stream_id_t *, block_t * );
919 static int rtp_packetize_mp4a ( sout_stream_t *, sout_stream_id_t *, block_t * );
920 static int rtp_packetize_mp4a_latm ( sout_stream_t *, sout_stream_id_t *, block_t * );
921 static int rtp_packetize_h263 ( sout_stream_t *, sout_stream_id_t *, block_t * );
922 static int rtp_packetize_h264 ( sout_stream_t *, sout_stream_id_t *, block_t * );
923 static int rtp_packetize_amr ( sout_stream_t *, sout_stream_id_t *, block_t * );
925 static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
927 static const char hex[16] = "0123456789abcdef";
930 for( i = 0; i < i_data; i++ )
932 s[2*i+0] = hex[(p_data[i]>>4)&0xf];
933 s[2*i+1] = hex[(p_data[i] )&0xf];
938 static const char basis_64[] =
939 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
941 int ap_base64encode_len(int len)
943 return ((len + 2) / 3 * 4) + 1;
946 int ap_base64encode_binary(char *encoded,
947 const unsigned char *string, int len)
953 for (i = 0; i < len - 2; i += 3) {
954 *p++ = basis_64[(string[i] >> 2) & 0x3F];
955 *p++ = basis_64[((string[i] & 0x3) << 4) |
956 ((int) (string[i + 1] & 0xF0) >> 4)];
957 *p++ = basis_64[((string[i + 1] & 0xF) << 2) |
958 ((int) (string[i + 2] & 0xC0) >> 6)];
959 *p++ = basis_64[string[i + 2] & 0x3F];
962 *p++ = basis_64[(string[i] >> 2) & 0x3F];
963 if (i == (len - 1)) {
964 *p++ = basis_64[((string[i] & 0x3) << 4)];
968 *p++ = basis_64[((string[i] & 0x3) << 4) |
969 ((int) (string[i + 1] & 0xF0) >> 4)];
970 *p++ = basis_64[((string[i + 1] & 0xF) << 2)];
979 int ap_base64encode(char *encoded, const char *string, int len)
981 return ap_base64encode_binary(encoded, (const unsigned char *) string, len);
984 char *b64_encode(char *buf, int len)
992 elen = ap_base64encode_len(len);
993 out = (char *) malloc(sizeof(char) * (elen + 1));
995 ap_base64encode(out, buf, len);
1000 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
1002 sout_instance_t *p_sout = p_stream->p_sout;
1003 sout_stream_sys_t *p_sys = p_stream->p_sys;
1004 sout_stream_id_t *id;
1005 sout_access_out_t *p_access = NULL;
1009 if( p_sys->p_mux != NULL )
1011 sout_input_t *p_input = NULL;
1012 if( ( p_input = sout_MuxAddStream( p_sys->p_mux, p_fmt ) ) == NULL )
1014 msg_Err( p_stream, "cannot add this stream to the muxer" );
1018 id = malloc( sizeof( sout_stream_id_t ) );
1019 memset( id, 0, sizeof( sout_stream_id_t ) );
1020 id->p_access = NULL;
1021 id->p_input = p_input;
1022 id->pf_packetize= NULL;
1023 id->p_rtsp_url = NULL;
1029 /* Choose the port */
1031 if( p_fmt->i_cat == AUDIO_ES && p_sys->i_port_audio > 0 )
1033 i_port = p_sys->i_port_audio;
1034 p_sys->i_port_audio = 0;
1036 else if( p_fmt->i_cat == VIDEO_ES && p_sys->i_port_video > 0 )
1038 i_port = p_sys->i_port_video;
1039 p_sys->i_port_video = 0;
1041 while( i_port == 0 )
1043 if( p_sys->i_port != p_sys->i_port_audio && p_sys->i_port != p_sys->i_port_video )
1045 i_port = p_sys->i_port;
1052 if( p_sys->psz_destination )
1055 char url[NI_MAXHOST + 8];
1057 /* first try to create the access out */
1060 snprintf( access, sizeof( access ), "udp{raw,ttl=%d}",
1062 access[sizeof( access ) - 1] = '\0';
1065 strcpy( access, "udp{raw}" );
1067 snprintf( url, sizeof( url ), (( p_sys->psz_destination[0] != '[' ) &&
1068 strchr( p_sys->psz_destination, ':' )) ? "[%s]:%d" : "%s:%d",
1069 p_sys->psz_destination, i_port );
1070 url[sizeof( url ) - 1] = '\0';
1072 if( ( p_access = sout_AccessOutNew( p_sout, access, url ) ) == NULL )
1074 msg_Err( p_stream, "cannot create the access out for %s://%s",
1078 msg_Dbg( p_stream, "access out %s:%s", access, url );
1081 /* not create the rtp specific stuff */
1082 id = malloc( sizeof( sout_stream_id_t ) );
1083 memset( id, 0, sizeof( sout_stream_id_t ) );
1084 id->p_stream = p_stream;
1085 id->p_access = p_access;
1087 id->psz_rtpmap = NULL;
1088 id->psz_fmtp = NULL;
1089 id->psz_destination = p_sys->psz_destination ? strdup( p_sys->psz_destination ) : NULL;
1090 id->i_port = i_port;
1091 id->p_rtsp_url = NULL;
1092 vlc_mutex_init( p_stream, &id->lock_rtsp );
1093 id->i_rtsp_access = 0;
1094 id->rtsp_access = NULL;
1096 switch( p_fmt->i_codec )
1098 case VLC_FOURCC( 's', '1', '6', 'b' ):
1099 if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
1101 id->i_payload_type = 11;
1103 else if( p_fmt->audio.i_channels == 2 &&
1104 p_fmt->audio.i_rate == 44100 )
1106 id->i_payload_type = 10;
1110 id->i_payload_type = p_sys->i_payload_type++;
1112 id->psz_rtpmap = malloc( strlen( "L16/*/*" ) + 20+1 );
1113 sprintf( id->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
1114 p_fmt->audio.i_channels );
1115 id->i_clock_rate = p_fmt->audio.i_rate;
1116 id->pf_packetize = rtp_packetize_l16;
1118 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
1119 id->i_payload_type = p_sys->i_payload_type++;
1120 id->psz_rtpmap = malloc( strlen( "L8/*/*" ) + 20+1 );
1121 sprintf( id->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
1122 p_fmt->audio.i_channels );
1123 id->i_clock_rate = p_fmt->audio.i_rate;
1124 id->pf_packetize = rtp_packetize_l8;
1126 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
1127 id->i_payload_type = 14;
1128 id->i_clock_rate = 90000;
1129 id->psz_rtpmap = strdup( "MPA/90000" );
1130 id->pf_packetize = rtp_packetize_mpa;
1132 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
1133 id->i_payload_type = 32;
1134 id->i_clock_rate = 90000;
1135 id->psz_rtpmap = strdup( "MPV/90000" );
1136 id->pf_packetize = rtp_packetize_mpv;
1138 case VLC_FOURCC( 'a', '5', '2', ' ' ):
1139 id->i_payload_type = p_sys->i_payload_type++;
1140 id->i_clock_rate = 90000;
1141 id->psz_rtpmap = strdup( "ac3/90000" );
1142 id->pf_packetize = rtp_packetize_ac3;
1144 case VLC_FOURCC( 'H', '2', '6', '3' ):
1145 id->i_payload_type = p_sys->i_payload_type++;
1146 id->i_clock_rate = 90000;
1147 id->psz_rtpmap = strdup( "H263-1998/90000" );
1148 id->pf_packetize = rtp_packetize_h263;
1150 case VLC_FOURCC( 'h', '2', '6', '4' ):
1151 id->i_payload_type = p_sys->i_payload_type++;
1152 id->i_clock_rate = 90000;
1153 id->psz_rtpmap = strdup( "H264/90000" );
1154 id->pf_packetize = rtp_packetize_h264;
1155 if( p_fmt->i_extra > 0 )
1157 uint8_t *p_buffer = p_fmt->p_extra;
1158 int i_buffer = p_fmt->i_extra;
1163 while( i_buffer > 4 &&
1164 p_buffer[0] == 0 && p_buffer[1] == 0 &&
1165 p_buffer[2] == 0 && p_buffer[3] == 1 )
1167 const int i_nal_type = p_buffer[4]&0x1f;
1170 int i_startcode = 0;
1173 msg_Dbg( p_stream, "we found a startcode for NAL with TYPE:%d", i_nal_type );
1175 for( i_offset = 1; i_offset+3 < i_buffer ; i_offset++)
1177 if( p_buffer[i_offset] == 0 && p_buffer[i_offset+1] == 0 && p_buffer[i_offset+2] == 0 && p_buffer[i_offset+3] == 1 )
1179 /* we found another startcode */
1180 i_startcode = i_offset;
1184 i_size = i_startcode ? i_startcode : i_buffer;
1185 if( i_nal_type == 7 )
1187 p_64_sps = (char *)malloc( ap_base64encode_len( i_size - 4) );
1188 i_encoded = ap_base64encode_binary( p_64_sps, &p_buffer[4], i_size - 4 );
1189 p_64_sps[i_encoded] = '\0';
1190 sprintf_hexa( hexa, &p_buffer[5], 3 );
1193 if( i_nal_type == 8 )
1195 p_64_pps = (char *)malloc( ap_base64encode_len( i_size - 4) );
1196 i_encoded = ap_base64encode_binary( p_64_pps, &p_buffer[4], i_size - 4 );
1197 p_64_pps[i_encoded] = '\0';
1202 /* FIXME: All this is a bit unsafe */
1203 asprintf( &id->psz_fmtp, "packetization-mode=1;profile-level-id=%s;sprop-parameter-sets=%s,%s;", hexa, p_64_sps, p_64_pps );
1208 id->psz_fmtp = strdup( "packetization-mode=1" );
1211 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
1213 char hexa[2*p_fmt->i_extra +1];
1215 id->i_payload_type = p_sys->i_payload_type++;
1216 id->i_clock_rate = 90000;
1217 id->psz_rtpmap = strdup( "MP4V-ES/90000" );
1218 id->pf_packetize = rtp_packetize_split;
1219 if( p_fmt->i_extra > 0 )
1221 id->psz_fmtp = malloc( 100 + 2 * p_fmt->i_extra );
1222 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
1223 sprintf( id->psz_fmtp,
1224 "profile-level-id=3; config=%s;", hexa );
1228 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
1230 id->i_payload_type = p_sys->i_payload_type++;
1231 id->i_clock_rate = p_fmt->audio.i_rate;
1235 char hexa[2*p_fmt->i_extra +1];
1237 id->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
1238 sprintf( id->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
1239 id->pf_packetize = rtp_packetize_mp4a;
1240 id->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
1241 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
1242 sprintf( id->psz_fmtp,
1243 "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
1244 "config=%s; SizeLength=13;IndexLength=3; "
1245 "IndexDeltaLength=3; Profile=1;", hexa );
1251 unsigned char config[6];
1252 unsigned int aacsrates[15] = {
1253 96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
1254 16000, 12000, 11025, 8000, 7350, 0, 0 };
1256 for( i = 0; i < 15; i++ )
1257 if( p_fmt->audio.i_rate == aacsrates[i] )
1263 config[3]=p_fmt->audio.i_channels<<4;
1267 asprintf( &id->psz_rtpmap, "MP4A-LATM/%d/%d",
1268 p_fmt->audio.i_rate, p_fmt->audio.i_channels );
1269 id->pf_packetize = rtp_packetize_mp4a_latm;
1270 sprintf_hexa( hexa, config, 6 );
1271 asprintf( &id->psz_fmtp, "profile-level-id=15; "
1272 "object=2; cpresent=0; config=%s", hexa );
1276 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
1277 id->i_payload_type = p_sys->i_payload_type++;
1278 id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
1279 "AMR/8000/2" : "AMR/8000" );
1280 id->psz_fmtp = strdup( "octet-align=1" );
1281 id->i_clock_rate = p_fmt->audio.i_rate;
1282 id->pf_packetize = rtp_packetize_amr;
1284 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
1285 id->i_payload_type = p_sys->i_payload_type++;
1286 id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
1287 "AMR-WB/16000/2" : "AMR-WB/16000" );
1288 id->psz_fmtp = strdup( "octet-align=1" );
1289 id->i_clock_rate = p_fmt->audio.i_rate;
1290 id->pf_packetize = rtp_packetize_amr;
1294 msg_Err( p_stream, "cannot add this stream (unsupported "
1295 "codec:%4.4s)", (char*)&p_fmt->i_codec );
1298 sout_AccessOutDelete( p_access );
1303 id->i_cat = p_fmt->i_cat;
1305 id->ssrc[0] = rand()&0xff;
1306 id->ssrc[1] = rand()&0xff;
1307 id->ssrc[2] = rand()&0xff;
1308 id->ssrc[3] = rand()&0xff;
1309 id->i_sequence = rand()&0xffff;
1310 id->i_timestamp_start = rand()&0xffffffff;
1311 id->i_bitrate = p_fmt->i_bitrate/1000; /* Stream bitrate in kbps */
1313 id->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beuk */
1314 if( id->i_mtu <= 16 + MTU_REDUCE )
1316 /* better than nothing */
1319 id->i_mtu -= MTU_REDUCE;
1320 msg_Dbg( p_stream, "maximum RTP packet size: %d bytes", id->i_mtu );
1322 if( p_sys->p_rtsp_url )
1324 char psz_urlc[strlen( p_sys->psz_rtsp_control ) + 1 + 10];
1326 sprintf( psz_urlc, "%s/trackID=%d", p_sys->psz_rtsp_path, p_sys->i_es );
1327 msg_Dbg( p_stream, "rtsp: adding %s\n", psz_urlc );
1328 id->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, psz_urlc, NULL, NULL, NULL );
1330 if( id->p_rtsp_url )
1332 httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_SETUP, RtspCallbackId, (void*)id );
1333 //httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
1334 //httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
1339 /* Update p_sys context */
1340 vlc_mutex_lock( &p_sys->lock_es );
1341 TAB_APPEND( p_sys->i_es, p_sys->es, id );
1342 vlc_mutex_unlock( &p_sys->lock_es );
1344 psz_sdp = SDPGenerate( p_stream, p_sys->psz_destination, VLC_FALSE );
1346 vlc_mutex_lock( &p_sys->lock_sdp );
1347 free( p_sys->psz_sdp );
1348 p_sys->psz_sdp = psz_sdp;
1349 vlc_mutex_unlock( &p_sys->lock_sdp );
1351 p_sys->i_sdp_version++;
1353 msg_Dbg( p_stream, "sdp=%s", p_sys->psz_sdp );
1355 /* Update SDP (sap/file) */
1356 if( p_sys->b_export_sap ) SapSetup( p_stream );
1357 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
1362 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
1364 sout_stream_sys_t *p_sys = p_stream->p_sys;
1366 vlc_mutex_lock( &p_sys->lock_es );
1367 TAB_REMOVE( p_sys->i_es, p_sys->es, id );
1368 vlc_mutex_unlock( &p_sys->lock_es );
1371 if( id->i_port > 0 )
1373 if( id->i_cat == AUDIO_ES && p_sys->i_port_audio == 0 )
1374 p_sys->i_port_audio = id->i_port;
1375 else if( id->i_cat == VIDEO_ES && p_sys->i_port_video == 0 )
1376 p_sys->i_port_video = id->i_port;
1381 if( id->psz_rtpmap )
1383 free( id->psz_rtpmap );
1387 free( id->psz_fmtp );
1389 if( id->psz_destination )
1390 free( id->psz_destination );
1391 sout_AccessOutDelete( id->p_access );
1393 else if( id->p_input )
1395 sout_MuxDeleteStream( p_sys->p_mux, id->p_input );
1397 if( id->p_rtsp_url )
1399 httpd_UrlDelete( id->p_rtsp_url );
1401 vlc_mutex_destroy( &id->lock_rtsp );
1402 if( id->rtsp_access ) free( id->rtsp_access );
1404 /* Update SDP (sap/file) */
1405 if( p_sys->b_export_sap && !p_sys->p_mux ) SapSetup( p_stream );
1406 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
1412 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
1417 if( p_stream->p_sys->p_mux )
1419 sout_MuxSendBuffer( p_stream->p_sys->p_mux, id->p_input, p_buffer );
1425 p_next = p_buffer->p_next;
1426 if( id->pf_packetize( p_stream, id, p_buffer ) )
1430 block_Release( p_buffer );
1438 static int AccessOutGrabberWriteBuffer( sout_stream_t *p_stream,
1441 sout_stream_sys_t *p_sys = p_stream->p_sys;
1443 int64_t i_dts = p_buffer->i_dts;
1444 uint32_t i_timestamp = i_dts * 9 / 100;
1446 uint8_t *p_data = p_buffer->p_buffer;
1447 unsigned int i_data = p_buffer->i_buffer;
1448 unsigned int i_max = p_sys->i_mtu - 12;
1450 unsigned i_packet = ( p_buffer->i_buffer + i_max - 1 ) / i_max;
1454 unsigned int i_size;
1456 /* output complete packet */
1457 if( p_sys->packet &&
1458 p_sys->packet->i_buffer + i_data > i_max )
1460 sout_AccessOutWrite( p_sys->p_access, p_sys->packet );
1461 p_sys->packet = NULL;
1464 if( p_sys->packet == NULL )
1466 /* allocate a new packet */
1467 p_sys->packet = block_New( p_stream, p_sys->i_mtu );
1468 p_sys->packet->p_buffer[ 0] = 0x80;
1469 p_sys->packet->p_buffer[ 1] = 0x80|p_sys->i_payload_type;
1470 p_sys->packet->p_buffer[ 2] = ( p_sys->i_sequence >> 8)&0xff;
1471 p_sys->packet->p_buffer[ 3] = ( p_sys->i_sequence )&0xff;
1472 p_sys->packet->p_buffer[ 4] = ( i_timestamp >> 24 )&0xff;
1473 p_sys->packet->p_buffer[ 5] = ( i_timestamp >> 16 )&0xff;
1474 p_sys->packet->p_buffer[ 6] = ( i_timestamp >> 8 )&0xff;
1475 p_sys->packet->p_buffer[ 7] = ( i_timestamp )&0xff;
1476 p_sys->packet->p_buffer[ 8] = p_sys->ssrc[0];
1477 p_sys->packet->p_buffer[ 9] = p_sys->ssrc[1];
1478 p_sys->packet->p_buffer[10] = p_sys->ssrc[2];
1479 p_sys->packet->p_buffer[11] = p_sys->ssrc[3];
1480 p_sys->packet->i_buffer = 12;
1482 p_sys->packet->i_dts = i_dts;
1483 p_sys->packet->i_length = p_buffer->i_length / i_packet;
1484 i_dts += p_sys->packet->i_length;
1486 p_sys->i_sequence++;
1489 i_size = __MIN( i_data,
1490 (unsigned)(p_sys->i_mtu - p_sys->packet->i_buffer) );
1492 memcpy( &p_sys->packet->p_buffer[p_sys->packet->i_buffer],
1495 p_sys->packet->i_buffer += i_size;
1503 static int AccessOutGrabberWrite( sout_access_out_t *p_access,
1506 sout_stream_t *p_stream = (sout_stream_t*)p_access->p_sys;
1508 //fprintf( stderr, "received buffer size=%d\n", p_buffer->i_buffer );
1514 AccessOutGrabberWriteBuffer( p_stream, p_buffer );
1516 p_next = p_buffer->p_next;
1517 block_Release( p_buffer );
1524 /****************************************************************************
1526 ****************************************************************************/
1527 static int SapSetup( sout_stream_t *p_stream )
1529 sout_stream_sys_t *p_sys = p_stream->p_sys;
1530 sout_instance_t *p_sout = p_stream->p_sout;
1531 announce_method_t *p_method = sout_AnnounceMethodCreate( METHOD_TYPE_SAP );
1533 /* Remove the previous session */
1534 if( p_sys->p_session != NULL)
1536 sout_AnnounceUnRegister( p_sout, p_sys->p_session);
1537 sout_AnnounceSessionDestroy( p_sys->p_session );
1538 p_sys->p_session = NULL;
1541 if( ( p_sys->i_es > 0 || p_sys->p_mux ) && p_sys->psz_sdp && *p_sys->psz_sdp )
1543 p_sys->p_session = sout_AnnounceRegisterSDP( p_sout, p_sys->psz_sdp,
1544 p_sys->psz_destination,
1552 /****************************************************************************
1554 ****************************************************************************/
1555 static int FileSetup( sout_stream_t *p_stream )
1557 sout_stream_sys_t *p_sys = p_stream->p_sys;
1560 if( ( f = utf8_fopen( p_sys->psz_sdp_file, "wt" ) ) == NULL )
1562 msg_Err( p_stream, "cannot open file '%s' (%s)",
1563 p_sys->psz_sdp_file, strerror(errno) );
1564 return VLC_EGENERIC;
1567 fprintf( f, "%s", p_sys->psz_sdp );
1573 /****************************************************************************
1575 ****************************************************************************/
1576 static int HttpCallback( httpd_file_sys_t *p_args,
1577 httpd_file_t *, uint8_t *p_request,
1578 uint8_t **pp_data, int *pi_data );
1580 static int HttpSetup( sout_stream_t *p_stream, vlc_url_t *url)
1582 sout_stream_sys_t *p_sys = p_stream->p_sys;
1584 p_sys->p_httpd_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 80 );
1585 if( p_sys->p_httpd_host )
1587 p_sys->p_httpd_file = httpd_FileNew( p_sys->p_httpd_host,
1588 url->psz_path ? url->psz_path : "/",
1591 HttpCallback, (void*)p_sys );
1593 if( p_sys->p_httpd_file == NULL )
1595 return VLC_EGENERIC;
1600 static int HttpCallback( httpd_file_sys_t *p_args,
1601 httpd_file_t *f, uint8_t *p_request,
1602 uint8_t **pp_data, int *pi_data )
1604 sout_stream_sys_t *p_sys = (sout_stream_sys_t*)p_args;
1606 vlc_mutex_lock( &p_sys->lock_sdp );
1607 if( p_sys->psz_sdp && *p_sys->psz_sdp )
1609 *pi_data = strlen( p_sys->psz_sdp );
1610 *pp_data = malloc( *pi_data );
1611 memcpy( *pp_data, p_sys->psz_sdp, *pi_data );
1618 vlc_mutex_unlock( &p_sys->lock_sdp );
1623 /****************************************************************************
1625 ****************************************************************************/
1626 static rtsp_client_t *RtspClientNew( sout_stream_t *p_stream, char *psz_session )
1628 rtsp_client_t *rtsp = malloc( sizeof( rtsp_client_t ));
1630 rtsp->psz_session = psz_session;
1632 rtsp->b_playing = VLC_FALSE;
1636 rtsp->access = NULL;
1638 TAB_APPEND( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
1642 static rtsp_client_t *RtspClientGet( sout_stream_t *p_stream, char *psz_session )
1646 if( psz_session ) return NULL;
1648 for( i = 0; i < p_stream->p_sys->i_rtsp; i++ )
1650 if( !strcmp( p_stream->p_sys->rtsp[i]->psz_session, psz_session ) )
1652 return p_stream->p_sys->rtsp[i];
1658 static void RtspClientDel( sout_stream_t *p_stream, rtsp_client_t *rtsp )
1661 TAB_REMOVE( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
1663 for( i = 0; i < rtsp->i_access; i++ )
1665 sout_AccessOutDelete( rtsp->access[i] );
1667 if( rtsp->id ) free( rtsp->id );
1668 if( rtsp->access ) free( rtsp->access );
1670 free( rtsp->psz_session );
1674 static int RtspSetup( sout_stream_t *p_stream, vlc_url_t *url )
1676 sout_stream_sys_t *p_sys = p_stream->p_sys;
1678 msg_Dbg( p_stream, "rtsp setup: %s : %d / %s\n", url->psz_host, url->i_port, url->psz_path );
1680 p_sys->p_rtsp_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 554 );
1681 if( p_sys->p_rtsp_host == NULL )
1683 return VLC_EGENERIC;
1686 p_sys->psz_rtsp_path = strdup( url->psz_path ? url->psz_path : "/" );
1687 p_sys->psz_rtsp_control = malloc (strlen( url->psz_host ) + 20 + strlen( p_sys->psz_rtsp_path ) + 1 );
1688 sprintf( p_sys->psz_rtsp_control, "rtsp://%s:%d%s",
1689 url->psz_host, url->i_port > 0 ? url->i_port : 554, p_sys->psz_rtsp_path );
1691 p_sys->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, p_sys->psz_rtsp_path, NULL, NULL, NULL );
1692 if( p_sys->p_rtsp_url == 0 )
1694 return VLC_EGENERIC;
1696 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_DESCRIBE, RtspCallback, (void*)p_stream );
1697 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
1698 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
1699 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_TEARDOWN, RtspCallback, (void*)p_stream );
1704 static int RtspCallback( httpd_callback_sys_t *p_args,
1706 httpd_message_t *answer, httpd_message_t *query )
1708 sout_stream_t *p_stream = (sout_stream_t*)p_args;
1709 sout_stream_sys_t *p_sys = p_stream->p_sys;
1710 char *psz_destination = p_sys->psz_destination;
1711 char *psz_session = NULL;
1712 char *psz_cseq = NULL;
1715 if( answer == NULL || query == NULL )
1719 //fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
1721 answer->i_proto = HTTPD_PROTO_RTSP;
1722 answer->i_version= query->i_version;
1723 answer->i_type = HTTPD_MSG_ANSWER;
1725 switch( query->i_type )
1727 case HTTPD_MSG_DESCRIBE:
1729 char *psz_sdp = SDPGenerate( p_stream, psz_destination ? psz_destination : "0.0.0.0", VLC_TRUE );
1731 answer->i_status = 200;
1732 answer->psz_status = strdup( "OK" );
1733 httpd_MsgAdd( answer, "Content-type", "%s", "application/sdp" );
1735 answer->p_body = (uint8_t *)psz_sdp;
1736 answer->i_body = strlen( psz_sdp );
1740 case HTTPD_MSG_PLAY:
1742 rtsp_client_t *rtsp;
1743 /* for now only multicast so easy */
1744 answer->i_status = 200;
1745 answer->psz_status = strdup( "OK" );
1747 answer->p_body = NULL;
1749 psz_session = httpd_MsgGet( query, "Session" );
1750 rtsp = RtspClientGet( p_stream, psz_session );
1751 if( rtsp && !rtsp->b_playing )
1755 rtsp->b_playing = VLC_TRUE;
1757 vlc_mutex_lock( &p_sys->lock_es );
1758 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
1760 sout_stream_id_t *id = rtsp->id[i_id];
1763 for( i = 0; i < p_sys->i_es; i++ )
1765 if( id == p_sys->es[i] )
1768 if( i >= p_sys->i_es ) continue;
1770 vlc_mutex_lock( &id->lock_rtsp );
1771 TAB_APPEND( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
1772 vlc_mutex_unlock( &id->lock_rtsp );
1774 vlc_mutex_unlock( &p_sys->lock_es );
1778 case HTTPD_MSG_PAUSE:
1780 return VLC_EGENERIC;
1781 case HTTPD_MSG_TEARDOWN:
1783 rtsp_client_t *rtsp;
1785 /* for now only multicast so easy again */
1786 answer->i_status = 200;
1787 answer->psz_status = strdup( "OK" );
1789 answer->p_body = NULL;
1791 psz_session = httpd_MsgGet( query, "Session" );
1792 rtsp = RtspClientGet( p_stream, psz_session );
1797 vlc_mutex_lock( &p_sys->lock_es );
1798 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
1800 sout_stream_id_t *id = rtsp->id[i_id];
1803 for( i = 0; i < p_sys->i_es; i++ )
1805 if( id == p_sys->es[i] )
1808 if( i >= p_sys->i_es ) continue;
1810 vlc_mutex_lock( &id->lock_rtsp );
1811 TAB_REMOVE( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
1812 vlc_mutex_unlock( &id->lock_rtsp );
1814 vlc_mutex_unlock( &p_sys->lock_es );
1816 RtspClientDel( p_stream, rtsp );
1822 return VLC_EGENERIC;
1824 httpd_MsgAdd( answer, "Server", PACKAGE_STRING );
1825 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1826 psz_cseq = httpd_MsgGet( query, "Cseq" );
1828 i_cseq = atoi( psz_cseq );
1831 httpd_MsgAdd( answer, "Cseq", "%d", i_cseq );
1832 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1836 httpd_MsgAdd( answer, "Session", "%s;timeout=5", psz_session );
1841 static int RtspCallbackId( httpd_callback_sys_t *p_args,
1843 httpd_message_t *answer, httpd_message_t *query )
1845 sout_stream_id_t *id = (sout_stream_id_t*)p_args;
1846 sout_stream_t *p_stream = id->p_stream;
1847 sout_stream_sys_t *p_sys = p_stream->p_sys;
1848 char *psz_session = NULL;
1849 char *psz_cseq = NULL;
1853 if( answer == NULL || query == NULL )
1857 //fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
1859 answer->i_proto = HTTPD_PROTO_RTSP;
1860 answer->i_version= query->i_version;
1861 answer->i_type = HTTPD_MSG_ANSWER;
1863 switch( query->i_type )
1865 case HTTPD_MSG_SETUP:
1867 char *psz_transport = httpd_MsgGet( query, "Transport" );
1869 //fprintf( stderr, "HTTPD_MSG_SETUP: transport=%s\n", psz_transport );
1871 if( strstr( psz_transport, "multicast" ) && id->psz_destination )
1873 //fprintf( stderr, "HTTPD_MSG_SETUP: multicast\n" );
1874 answer->i_status = 200;
1875 answer->psz_status = strdup( "OK" );
1877 answer->p_body = NULL;
1878 psz_session = httpd_MsgGet( query, "Session" );
1881 psz_session = malloc( 100 );
1882 sprintf( psz_session, "%d", rand() );
1884 httpd_MsgAdd( answer, "Transport",
1885 "RTP/AVP/UDP;destination=%s;port=%d-%d;ttl=%d",
1886 id->psz_destination, id->i_port,id->i_port+1,
1889 else if( strstr( psz_transport, "unicast" ) && strstr( psz_transport, "client_port=" ) )
1891 int i_port = atoi( strstr( psz_transport, "client_port=" ) + strlen("client_port=") );
1892 char ip[NI_MAXNUMERICHOST], psz_access[17], psz_url[NI_MAXNUMERICHOST + 8];
1894 sout_access_out_t *p_access;
1896 rtsp_client_t *rtsp = NULL;
1898 if( httpd_ClientIP( cl, ip ) == NULL )
1900 answer->i_status = 500;
1901 answer->psz_status = strdup( "Internal server error" );
1903 answer->p_body = NULL;
1907 //fprintf( stderr, "HTTPD_MSG_SETUP: unicast ip=%s port=%d\n", ip, i_port );
1909 psz_session = httpd_MsgGet( query, "Session" );
1912 psz_session = malloc( 100 );
1913 sprintf( psz_session, "%d", rand() );
1915 rtsp = RtspClientNew( p_stream, psz_session );
1919 rtsp = RtspClientGet( p_stream, psz_session );
1922 answer->i_status = 454;
1923 answer->psz_status = strdup( "Unknown session id" );
1925 answer->p_body = NULL;
1930 /* first try to create the access out */
1932 snprintf( psz_access, sizeof( psz_access ),
1933 "udp{raw,ttl=%d}", p_sys->i_ttl );
1935 strlcpy( psz_access, "udp{raw}", sizeof( psz_access ) );
1937 snprintf( psz_url, sizeof( psz_url ),
1938 ( strchr( ip, ':' ) != NULL ) ? "[%s]:%d" : "%s:%d",
1941 if( ( p_access = sout_AccessOutNew( p_stream->p_sout, psz_access, psz_url ) ) == NULL )
1943 msg_Err( p_stream, "cannot create the access out for %s://%s",
1944 psz_access, psz_url );
1945 answer->i_status = 500;
1946 answer->psz_status = strdup( "Internal server error" );
1948 answer->p_body = NULL;
1952 TAB_APPEND( rtsp->i_id, rtsp->id, id );
1953 TAB_APPEND( rtsp->i_access, rtsp->access, p_access );
1955 answer->i_status = 200;
1956 answer->psz_status = strdup( "OK" );
1958 answer->p_body = NULL;
1960 httpd_MsgAdd( answer, "Transport",
1961 "RTP/AVP/UDP;client_port=%d-%d", i_port, i_port + 1 );
1963 else /* TODO strstr( psz_transport, "interleaved" ) ) */
1965 answer->i_status = 461;
1966 answer->psz_status = strdup( "Unsupported Transport" );
1968 answer->p_body = NULL;
1974 return VLC_EGENERIC;
1976 httpd_MsgAdd( answer, "Server", "VLC Server" );
1977 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1978 psz_cseq = httpd_MsgGet( query, "Cseq" );
1980 i_cseq = atoi( psz_cseq );
1983 httpd_MsgAdd( answer, "Cseq", "%d", i_cseq );
1984 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1988 httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
1993 /****************************************************************************
1995 ****************************************************************************/
1996 static void rtp_packetize_common( sout_stream_id_t *id, block_t *out,
1997 int b_marker, int64_t i_pts )
1999 uint32_t i_timestamp = i_pts * (int64_t)id->i_clock_rate / I64C(1000000);
2001 out->p_buffer[0] = 0x80;
2002 out->p_buffer[1] = (b_marker?0x80:0x00)|id->i_payload_type;
2003 out->p_buffer[2] = ( id->i_sequence >> 8)&0xff;
2004 out->p_buffer[3] = ( id->i_sequence )&0xff;
2005 out->p_buffer[4] = ( i_timestamp >> 24 )&0xff;
2006 out->p_buffer[5] = ( i_timestamp >> 16 )&0xff;
2007 out->p_buffer[6] = ( i_timestamp >> 8 )&0xff;
2008 out->p_buffer[7] = ( i_timestamp )&0xff;
2010 out->p_buffer[ 8] = id->ssrc[0];
2011 out->p_buffer[ 9] = id->ssrc[1];
2012 out->p_buffer[10] = id->ssrc[2];
2013 out->p_buffer[11] = id->ssrc[3];
2019 static void rtp_packetize_send( sout_stream_id_t *id, block_t *out )
2022 vlc_mutex_lock( &id->lock_rtsp );
2023 for( i = 0; i < id->i_rtsp_access; i++ )
2025 sout_AccessOutWrite( id->rtsp_access[i], block_Duplicate( out ) );
2027 vlc_mutex_unlock( &id->lock_rtsp );
2031 sout_AccessOutWrite( id->p_access, out );
2035 block_Release( out );
2039 static int rtp_packetize_mpa( sout_stream_t *p_stream, sout_stream_id_t *id,
2042 int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
2043 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2045 uint8_t *p_data = in->p_buffer;
2046 int i_data = in->i_buffer;
2049 for( i = 0; i < i_count; i++ )
2051 int i_payload = __MIN( i_max, i_data );
2052 block_t *out = block_New( p_stream, 16 + i_payload );
2054 /* rtp common header */
2055 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
2057 out->p_buffer[12] = 0;
2058 out->p_buffer[13] = 0;
2059 /* fragment offset in the current frame */
2060 out->p_buffer[14] = ( (i*i_max) >> 8 )&0xff;
2061 out->p_buffer[15] = ( (i*i_max) )&0xff;
2062 memcpy( &out->p_buffer[16], p_data, i_payload );
2064 out->i_buffer = 16 + i_payload;
2065 out->i_dts = in->i_dts + i * in->i_length / i_count;
2066 out->i_length = in->i_length / i_count;
2068 rtp_packetize_send( id, out );
2070 p_data += i_payload;
2071 i_data -= i_payload;
2078 static int rtp_packetize_mpv( sout_stream_t *p_stream, sout_stream_id_t *id,
2081 int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
2082 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2084 uint8_t *p_data = in->p_buffer;
2085 int i_data = in->i_buffer;
2087 int b_sequence_start = 0;
2088 int i_temporal_ref = 0;
2089 int i_picture_coding_type = 0;
2090 int i_fbv = 0, i_bfc = 0, i_ffv = 0, i_ffc = 0;
2091 int b_start_slice = 0;
2093 /* preparse this packet to get some info */
2094 if( in->i_buffer > 4 )
2096 uint8_t *p = p_data;
2097 int i_rest = in->i_buffer;
2101 while( i_rest > 4 &&
2102 ( p[0] != 0x00 || p[1] != 0x00 || p[2] != 0x01 ) )
2116 /* sequence start code */
2117 b_sequence_start = 1;
2119 else if( *p == 0x00 && i_rest >= 4 )
2122 i_temporal_ref = ( p[1] << 2) |((p[2]>>6)&0x03);
2123 i_picture_coding_type = (p[2] >> 3)&0x07;
2125 if( i_rest >= 4 && ( i_picture_coding_type == 2 ||
2126 i_picture_coding_type == 3 ) )
2128 i_ffv = (p[3] >> 2)&0x01;
2129 i_ffc = ((p[3]&0x03) << 1)|((p[4]>>7)&0x01);
2130 if( i_rest > 4 && i_picture_coding_type == 3 )
2132 i_fbv = (p[4]>>6)&0x01;
2133 i_bfc = (p[4]>>3)&0x07;
2137 else if( *p <= 0xaf )
2144 for( i = 0; i < i_count; i++ )
2146 int i_payload = __MIN( i_max, i_data );
2147 block_t *out = block_New( p_stream,
2149 uint32_t h = ( i_temporal_ref << 16 )|
2150 ( b_sequence_start << 13 )|
2151 ( b_start_slice << 12 )|
2152 ( i == i_count - 1 ? 1 << 11 : 0 )|
2153 ( i_picture_coding_type << 8 )|
2154 ( i_fbv << 7 )|( i_bfc << 4 )|( i_ffv << 3 )|i_ffc;
2156 /* rtp common header */
2157 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
2158 in->i_pts > 0 ? in->i_pts : in->i_dts );
2160 /* 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 */
2161 out->p_buffer[12] = ( h >> 24 )&0xff;
2162 out->p_buffer[13] = ( h >> 16 )&0xff;
2163 out->p_buffer[14] = ( h >> 8 )&0xff;
2164 out->p_buffer[15] = ( h )&0xff;
2166 memcpy( &out->p_buffer[16], p_data, i_payload );
2168 out->i_buffer = 16 + i_payload;
2169 out->i_dts = in->i_dts + i * in->i_length / i_count;
2170 out->i_length = in->i_length / i_count;
2172 rtp_packetize_send( id, out );
2174 p_data += i_payload;
2175 i_data -= i_payload;
2181 static int rtp_packetize_ac3( sout_stream_t *p_stream, sout_stream_id_t *id,
2184 int i_max = id->i_mtu - 12 - 2; /* payload max in one packet */
2185 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2187 uint8_t *p_data = in->p_buffer;
2188 int i_data = in->i_buffer;
2191 for( i = 0; i < i_count; i++ )
2193 int i_payload = __MIN( i_max, i_data );
2194 block_t *out = block_New( p_stream, 14 + i_payload );
2196 /* rtp common header */
2197 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
2199 out->p_buffer[12] = 1;
2201 out->p_buffer[13] = 0x00;
2203 memcpy( &out->p_buffer[14], p_data, i_payload );
2205 out->i_buffer = 14 + i_payload;
2206 out->i_dts = in->i_dts + i * in->i_length / i_count;
2207 out->i_length = in->i_length / i_count;
2209 rtp_packetize_send( id, out );
2211 p_data += i_payload;
2212 i_data -= i_payload;
2218 static int rtp_packetize_split( sout_stream_t *p_stream, sout_stream_id_t *id,
2221 int i_max = id->i_mtu - 12; /* payload max in one packet */
2222 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2224 uint8_t *p_data = in->p_buffer;
2225 int i_data = in->i_buffer;
2228 for( i = 0; i < i_count; i++ )
2230 int i_payload = __MIN( i_max, i_data );
2231 block_t *out = block_New( p_stream, 12 + i_payload );
2233 /* rtp common header */
2234 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2235 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2236 memcpy( &out->p_buffer[12], p_data, i_payload );
2238 out->i_buffer = 12 + i_payload;
2239 out->i_dts = in->i_dts + i * in->i_length / i_count;
2240 out->i_length = in->i_length / i_count;
2242 rtp_packetize_send( id, out );
2244 p_data += i_payload;
2245 i_data -= i_payload;
2252 static int rtp_packetize_mp4a_latm( sout_stream_t *p_stream, sout_stream_id_t *id,
2255 int i_max = id->i_mtu - 14; /* payload max in one packet */
2256 int latmhdrsize = in->i_buffer / 0xff + 1;
2257 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2259 uint8_t *p_data = in->p_buffer, *p_header = NULL;
2260 int i_data = in->i_buffer;
2263 for( i = 0; i < i_count; i++ )
2265 int i_payload = __MIN( i_max, i_data );
2270 out = block_New( p_stream, 12 + latmhdrsize + i_payload );
2272 /* rtp common header */
2273 rtp_packetize_common( id, out, ((i == i_count - 1) ? 1 : 0),
2274 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2278 int tmp = in->i_buffer;
2280 p_header=out->p_buffer+12;
2290 memcpy( &out->p_buffer[12+latmhdrsize], p_data, i_payload );
2292 out->i_buffer = 12 + latmhdrsize + i_payload;
2293 out->i_dts = in->i_dts + i * in->i_length / i_count;
2294 out->i_length = in->i_length / i_count;
2296 rtp_packetize_send( id, out );
2298 p_data += i_payload;
2299 i_data -= i_payload;
2305 static int rtp_packetize_l16( sout_stream_t *p_stream, sout_stream_id_t *id,
2308 int i_max = id->i_mtu - 12; /* payload max in one packet */
2309 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2311 uint8_t *p_data = in->p_buffer;
2312 int i_data = in->i_buffer;
2317 int i_payload = (__MIN( i_max, i_data )/4)*4;
2318 block_t *out = block_New( p_stream, 12 + i_payload );
2320 /* rtp common header */
2321 rtp_packetize_common( id, out, 0,
2322 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2323 memcpy( &out->p_buffer[12], p_data, i_payload );
2325 out->i_buffer = 12 + i_payload;
2326 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
2327 out->i_length = in->i_length / i_count;
2329 rtp_packetize_send( id, out );
2331 p_data += i_payload;
2332 i_data -= i_payload;
2339 static int rtp_packetize_l8( sout_stream_t *p_stream, sout_stream_id_t *id,
2342 int i_max = id->i_mtu - 12; /* payload max in one packet */
2343 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2345 uint8_t *p_data = in->p_buffer;
2346 int i_data = in->i_buffer;
2351 int i_payload = (__MIN( i_max, i_data )/2)*2;
2352 block_t *out = block_New( p_stream, 12 + i_payload );
2354 /* rtp common header */
2355 rtp_packetize_common( id, out, 0,
2356 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2357 memcpy( &out->p_buffer[12], p_data, i_payload );
2359 out->i_buffer = 12 + i_payload;
2360 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
2361 out->i_length = in->i_length / i_count;
2363 rtp_packetize_send( id, out );
2365 p_data += i_payload;
2366 i_data -= i_payload;
2372 static int rtp_packetize_mp4a( sout_stream_t *p_stream, sout_stream_id_t *id,
2375 int i_max = id->i_mtu - 16; /* payload max in one packet */
2376 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2378 uint8_t *p_data = in->p_buffer;
2379 int i_data = in->i_buffer;
2382 for( i = 0; i < i_count; i++ )
2384 int i_payload = __MIN( i_max, i_data );
2385 block_t *out = block_New( p_stream, 16 + i_payload );
2387 /* rtp common header */
2388 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2389 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2391 /* AU headers length (bits) */
2392 out->p_buffer[12] = 0;
2393 out->p_buffer[13] = 2*8;
2394 /* for each AU length 13 bits + idx 3bits, */
2395 out->p_buffer[14] = ( in->i_buffer >> 5 )&0xff;
2396 out->p_buffer[15] = ( (in->i_buffer&0xff)<<3 )|0;
2398 memcpy( &out->p_buffer[16], p_data, i_payload );
2400 out->i_buffer = 16 + i_payload;
2401 out->i_dts = in->i_dts + i * in->i_length / i_count;
2402 out->i_length = in->i_length / i_count;
2404 rtp_packetize_send( id, out );
2406 p_data += i_payload;
2407 i_data -= i_payload;
2415 #define RTP_H263_HEADER_SIZE (2) // plen = 0
2416 #define RTP_H263_PAYLOAD_START (14) // plen = 0
2417 static int rtp_packetize_h263( sout_stream_t *p_stream, sout_stream_id_t *id,
2420 uint8_t *p_data = in->p_buffer;
2421 int i_data = in->i_buffer;
2423 int i_max = id->i_mtu - 12 - RTP_H263_HEADER_SIZE; /* payload max in one packet */
2426 int b_v_bit = 0; // no pesky error resilience
2427 int i_plen = 0; // normally plen=0 for PSC packet
2428 int i_pebit = 0; // because plen=0
2433 return VLC_EGENERIC;
2435 if( p_data[0] || p_data[1] )
2437 return VLC_EGENERIC;
2439 /* remove 2 leading 0 bytes */
2442 i_count = ( i_data + i_max - 1 ) / i_max;
2444 for( i = 0; i < i_count; i++ )
2446 int i_payload = __MIN( i_max, i_data );
2447 block_t *out = block_New( p_stream,
2448 RTP_H263_PAYLOAD_START + i_payload );
2449 b_p_bit = (i == 0) ? 1 : 0;
2450 h = ( b_p_bit << 10 )|
2455 /* rtp common header */
2456 //b_m_bit = 1; // always contains end of frame
2457 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
2458 in->i_pts > 0 ? in->i_pts : in->i_dts );
2461 out->p_buffer[12] = ( h >> 8 )&0xff;
2462 out->p_buffer[13] = ( h )&0xff;
2463 memcpy( &out->p_buffer[RTP_H263_PAYLOAD_START], p_data, i_payload );
2465 out->i_buffer = RTP_H263_PAYLOAD_START + i_payload;
2466 out->i_dts = in->i_dts + i * in->i_length / i_count;
2467 out->i_length = in->i_length / i_count;
2469 rtp_packetize_send( id, out );
2471 p_data += i_payload;
2472 i_data -= i_payload;
2479 static int rtp_packetize_h264( sout_stream_t *p_stream, sout_stream_id_t *id,
2482 int i_max = id->i_mtu - 12; /* payload max in one packet */
2483 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2484 uint8_t *p_data = in->p_buffer;
2485 int i_data = in->i_buffer;
2490 while( i_data > 5 &&
2491 ( p_data[0] != 0x00 || p_data[1] != 0x00 || p_data[2] != 0x01 || /* startcode */
2492 (p_data[3]&0x1f) < 1 || (p_data[3]&0x1f) > 23 ) ) /* naltype should be between 1 and 23 */
2503 i_nal_type = p_data[0]&0x1f;
2505 if( i_data <= i_max ) /* The whole pack will fit in one rtp payload */
2508 i_payload = __MIN( i_max, i_data );
2509 out = block_New( p_stream, 12 + i_payload );
2511 /* rtp common header */
2512 rtp_packetize_common( id, out, 1,
2513 in->i_pts > 0 ? in->i_pts : in->i_dts );
2515 memcpy( &out->p_buffer[12], p_data, i_payload );
2517 out->i_buffer = 12 + i_payload;
2518 out->i_dts = in->i_dts;
2519 out->i_length = in->i_length;
2521 rtp_packetize_send( id, out );
2523 /*msg_Dbg( p_stream, "nal-out plain %d %02x", i_payload, out->p_buffer[16] );*/
2528 uint8_t nalh; /* The nalheader byte */
2529 int i=0, start=1, end=0, first=0;
2535 i_max = id->i_mtu - 14;
2536 i_count = ( i_data + i_max - 1 ) / i_max;
2538 /*msg_Dbg( p_stream, "nal-out fragmented %02x %d", nalh, i_rest);*/
2542 i_payload = __MIN( i_max, i_data );
2543 out = block_New( p_stream, 14 + i_payload );
2545 if( i_data == i_payload )
2548 /* rtp common header */
2549 rtp_packetize_common( id, out, (end)?1:0,
2550 in->i_pts > 0 ? in->i_pts : in->i_dts );
2553 out->p_buffer[12] = (nalh&0x60)|28;
2555 out->p_buffer[13] = (start<<7)|(end<<6)|(nalh&0x1f);
2557 memcpy( &out->p_buffer[14], p_data+first, i_payload );
2559 out->i_buffer = 14 + i_payload;
2561 // not sure what of these should be used and what it does :)
2562 out->i_pts = in->i_pts;
2563 out->i_dts = in->i_dts;
2564 //out->i_dts = in->i_dts + i * in->i_length / i_count;
2565 //out->i_length = in->i_length / i_count;
2567 rtp_packetize_send( id, out );
2569 /*msg_Dbg( p_stream, "nal-out fragmented: frag %d %d %02x %02x %d", start,end,
2570 out->p_buffer[12], out->p_buffer[13], i_payload );*/
2572 i_data -= i_payload;
2581 static int rtp_packetize_amr( sout_stream_t *p_stream, sout_stream_id_t *id,
2584 int i_max = id->i_mtu - 14; /* payload max in one packet */
2585 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2587 uint8_t *p_data = in->p_buffer;
2588 int i_data = in->i_buffer;
2591 /* Only supports octet-aligned mode */
2592 for( i = 0; i < i_count; i++ )
2594 int i_payload = __MIN( i_max, i_data );
2595 block_t *out = block_New( p_stream, 14 + i_payload );
2597 /* rtp common header */
2598 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2599 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2600 /* Payload header */
2601 out->p_buffer[12] = 0xF0; /* CMR */
2602 out->p_buffer[13] = p_data[0]&0x7C; /* ToC */ /* FIXME: frame type */
2604 /* FIXME: are we fed multiple frames ? */
2605 memcpy( &out->p_buffer[14], p_data+1, i_payload-1 );
2607 out->i_buffer = 14 + i_payload-1;
2608 out->i_dts = in->i_dts + i * in->i_length / i_count;
2609 out->i_length = in->i_length / i_count;
2611 rtp_packetize_send( id, out );
2613 p_data += i_payload;
2614 i_data -= i_payload;