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 */
393 msg_Warn( p_stream, "illegal TTL %d, the SDP advertised value will be faked", val.i_int );
394 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 const char *psz_rtpmap;
435 char url[NI_MAXHOST + 8], access[17], psz_ttl[5], ipv;
439 msg_Err( p_stream, "muxing is not supported in RTSP mode" );
443 else if( !p_sys->psz_destination || *p_sys->psz_destination == '\0' )
445 msg_Err( p_stream, "rtp needs a destination when muxing" );
450 /* Check muxer type */
451 if( !strncasecmp( val.psz_string, "ps", 2 ) || !strncasecmp( val.psz_string, "mpeg1", 5 ) )
453 psz_rtpmap = "MP2P/90000";
455 else if( !strncasecmp( val.psz_string, "ts", 2 ) )
457 psz_rtpmap = "MP2T/90000";
458 p_sys->i_payload_type = 33;
462 msg_Err( p_stream, "unsupported muxer type with rtp (only ts/ps)" );
467 /* create the access out */
468 if( p_sys->i_ttl > 0 )
470 sprintf( access, "udp{raw,ttl=%d}", p_sys->i_ttl );
474 sprintf( access, "udp{raw}" );
477 /* IPv6 needs brackets if not already present */
478 snprintf( url, sizeof( url ),
479 ( ( p_sys->psz_destination[0] != '[' )
480 && ( strchr( p_sys->psz_destination, ':' ) != NULL ) )
481 ? "[%s]:%d" : "%s:%d", p_sys->psz_destination,
483 url[sizeof( url ) - 1] = '\0';
484 /* FIXME: we should check that url is a numerical address, otherwise
485 * the SDP will be quite broken (regardless of the IP protocol version)
486 * Also it might be IPv6 with no ':' if it is a DNS name.
488 ipv = ( strchr( p_sys->psz_destination, ':' ) != NULL ) ? '6' : '4';
490 if( !( p_sys->p_access = sout_AccessOutNew( p_sout, access, url ) ) )
492 msg_Err( p_stream, "cannot create the access out for %s://%s",
497 p_sys->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beurk */
498 if( p_sys->i_mtu <= 16 + MTU_REDUCE )
500 /* better than nothing */
503 p_sys->i_mtu -= MTU_REDUCE;
505 /* the access out grabber TODO export it as sout_AccessOutGrabberNew */
506 p_grab = p_sys->p_grab =
507 vlc_object_create( p_sout, sizeof( sout_access_out_t ) );
508 p_grab->p_module = NULL;
509 p_grab->p_sout = p_sout;
510 p_grab->psz_access = strdup( "grab" );
511 p_grab->p_cfg = NULL;
512 p_grab->psz_path = strdup( "" );
513 p_grab->p_sys = (sout_access_out_sys_t*)p_stream;
514 p_grab->pf_seek = NULL;
515 p_grab->pf_write = AccessOutGrabberWrite;
518 if( !( p_sys->p_mux = sout_MuxNew( p_sout, val.psz_string, p_sys->p_grab ) ) )
520 msg_Err( p_stream, "cannot create the muxer (%s)", val.psz_string );
521 sout_AccessOutDelete( p_sys->p_grab );
522 sout_AccessOutDelete( p_sys->p_access );
527 /* create the SDP for a muxed stream (only once) */
528 /* FIXME http://www.faqs.org/rfcs/rfc4566.html
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 a= source-filter: we need our source address
533 a= x-plgroup: (missing)
534 RTP packets need to get the correct src IP address */
535 if( ipv == 4 && net_AddressIsMulticast( VLC_OBJECT(p_stream), p_sys->psz_destination ) )
537 snprintf( psz_ttl, sizeof( psz_ttl ), "/%d", p_sys->i_ttl );
538 psz_ttl[sizeof( psz_ttl ) - 1] = '\0';
545 asprintf( &p_sys->psz_sdp,
547 /* FIXME: source address not known :( */
548 "o=- "I64Fd" %d IN IP%c %s\r\n"
554 "t=0 0\r\n" /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
555 "a=tool:"PACKAGE_STRING"\r\n"
557 "a=type:broadcast\r\n"
558 "m=video %d RTP/AVP %d\r\n"
559 "a=rtpmap:%d %s\r\n",
560 p_sys->i_sdp_id, p_sys->i_sdp_version,
561 ipv, ipv == '6' ? "::1" : "127.0.0.1" /* FIXME */,
562 p_sys->psz_session_name,
563 p_sys->psz_session_description,
564 p_sys->psz_session_url,
565 p_sys->psz_session_email,
566 ipv, p_sys->psz_destination, psz_ttl,
567 p_sys->i_port, p_sys->i_payload_type,
568 p_sys->i_payload_type, psz_rtpmap );
569 msg_Dbg( p_stream, "sdp=%s", p_sys->psz_sdp );
571 /* create the rtp context */
572 p_sys->ssrc[0] = rand()&0xff;
573 p_sys->ssrc[1] = rand()&0xff;
574 p_sys->ssrc[2] = rand()&0xff;
575 p_sys->ssrc[3] = rand()&0xff;
576 p_sys->i_sequence = rand()&0xffff;
577 p_sys->i_timestamp_start = rand()&0xffffffff;
578 p_sys->packet = NULL;
583 p_sys->p_access = NULL;
584 p_sys->p_grab = NULL;
586 free( val.psz_string );
589 var_Get( p_stream, SOUT_CFG_PREFIX "sdp", &val );
590 if( *val.psz_string )
592 config_chain_t *p_cfg;
594 SDPHandleUrl( p_stream, val.psz_string );
596 for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
598 if( !strcmp( p_cfg->psz_name, "sdp" ) )
600 if( p_cfg->psz_value == NULL || *p_cfg->psz_value == '\0' )
603 if( !strcmp( p_cfg->psz_value, val.psz_string ) ) /* needed both :sout-rtp-sdp= and rtp{sdp=} can be used */
606 SDPHandleUrl( p_stream, p_cfg->psz_value );
610 free( val.psz_string );
612 /* update p_sout->i_out_pace_nocontrol */
613 p_stream->p_sout->i_out_pace_nocontrol++;
618 /*****************************************************************************
620 *****************************************************************************/
621 static void Close( vlc_object_t * p_this )
623 sout_stream_t *p_stream = (sout_stream_t*)p_this;
624 sout_stream_sys_t *p_sys = p_stream->p_sys;
626 /* update p_sout->i_out_pace_nocontrol */
627 p_stream->p_sout->i_out_pace_nocontrol--;
631 sout_MuxDelete( p_sys->p_mux );
632 sout_AccessOutDelete( p_sys->p_access );
633 sout_AccessOutDelete( p_sys->p_grab );
636 block_Release( p_sys->packet );
638 if( p_sys->b_export_sap )
641 SapSetup( p_stream );
645 while( p_sys->i_rtsp > 0 )
646 RtspClientDel( p_stream, p_sys->rtsp[0] );
648 vlc_mutex_destroy( &p_sys->lock_sdp );
650 if( p_sys->p_httpd_file )
651 httpd_FileDelete( p_sys->p_httpd_file );
653 if( p_sys->p_httpd_host )
654 httpd_HostDelete( p_sys->p_httpd_host );
656 if( p_sys->p_rtsp_url )
657 httpd_UrlDelete( p_sys->p_rtsp_url );
659 if( p_sys->p_rtsp_host )
660 httpd_HostDelete( p_sys->p_rtsp_host );
662 if( p_sys->psz_session_name )
663 free( p_sys->psz_session_name );
665 if( p_sys->psz_session_description )
666 free( p_sys->psz_session_description );
668 if( p_sys->psz_session_url )
669 free( p_sys->psz_session_url );
671 if( p_sys->psz_session_email )
672 free( p_sys->psz_session_email );
675 free( p_sys->psz_sdp );
677 if( p_sys->b_export_sdp_file )
680 unlink( p_sys->psz_sdp_file );
682 free( p_sys->psz_sdp_file );
684 if( p_sys->psz_destination )
685 free( p_sys->psz_destination );
689 /*****************************************************************************
691 *****************************************************************************/
692 static void SDPHandleUrl( sout_stream_t *p_stream, char *psz_url )
694 sout_stream_sys_t *p_sys = p_stream->p_sys;
697 vlc_UrlParse( &url, psz_url, 0 );
698 if( url.psz_protocol && !strcasecmp( url.psz_protocol, "http" ) )
700 if( p_sys->p_httpd_file )
702 msg_Err( p_stream, "you can use sdp=http:// only once" );
706 if( HttpSetup( p_stream, &url ) )
708 msg_Err( p_stream, "cannot export sdp as http" );
711 else if( url.psz_protocol && !strcasecmp( url.psz_protocol, "rtsp" ) )
713 if( p_sys->p_rtsp_url )
715 msg_Err( p_stream, "you can use sdp=rtsp:// only once" );
719 /* FIXME test if destination is multicast or no destination at all FIXME */
720 if( RtspSetup( p_stream, &url ) )
722 msg_Err( p_stream, "cannot export sdp as rtsp" );
725 else if( ( url.psz_protocol && !strcasecmp( url.psz_protocol, "sap" ) ) ||
726 ( url.psz_host && !strcasecmp( url.psz_host, "sap" ) ) )
728 p_sys->b_export_sap = VLC_TRUE;
729 SapSetup( p_stream );
731 else if( url.psz_protocol && !strcasecmp( url.psz_protocol, "file" ) )
733 if( p_sys->b_export_sdp_file )
735 msg_Err( p_stream, "you can use sdp=file:// only once" );
738 p_sys->b_export_sdp_file = VLC_TRUE;
739 psz_url = &psz_url[5];
740 if( psz_url[0] == '/' && psz_url[1] == '/' )
742 p_sys->psz_sdp_file = strdup( psz_url );
746 msg_Warn( p_stream, "unknown protocol for SDP (%s)",
749 vlc_UrlClean( &url );
752 /*****************************************************************************
754 *****************************************************************************/
755 /* FIXME http://www.faqs.org/rfcs/rfc2327.html
756 All text fields should be UTF-8 encoded. Use global a:charset to announce this.
757 o= - should be local username (no spaces allowed)
758 o= time should be hashed with some other value to garantue uniqueness
759 o= we need IP6 support?
760 o= don't use the localhost address. use fully qualified domain name or IP4 address
761 p= international phone number (pass via vars?)
763 a= recvonly (missing)
764 a= type:broadcast (missing)
765 a= charset: (normally charset should be UTF-8, this can be used to override s= and i=)
766 a= x-plgroup: (missing)
767 RTP packets need to get the correct src IP address */
768 static char *SDPGenerate( const sout_stream_t *p_stream,
769 const char *psz_destination, vlc_bool_t b_rtsp )
771 sout_stream_sys_t *p_sys = p_stream->p_sys;
773 char *psz_sdp, *p, ipv;
776 /* FIXME: breaks IP version check on unknown destination */
777 if( psz_destination == NULL )
778 psz_destination = "0.0.0.0";
780 i_size = sizeof( "v=0\r\n" ) +
781 sizeof( "o=- * * IN IP4 127.0.0.1\r\n" ) + 10 + 10 +
782 sizeof( "s=*\r\n" ) + strlen( p_sys->psz_session_name ) +
783 sizeof( "i=*\r\n" ) + strlen( p_sys->psz_session_description ) +
784 sizeof( "u=*\r\n" ) + strlen( p_sys->psz_session_url ) +
785 sizeof( "e=*\r\n" ) + strlen( p_sys->psz_session_email ) +
786 sizeof( "t=0 0\r\n" ) + /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
787 sizeof( "a=tool:"PACKAGE_STRING"\r\n" ) +
788 sizeof( "c=IN IP4 */*\r\n" ) + 20 + 10 +
789 strlen( psz_destination ) ;
790 for( i = 0; i < p_sys->i_es; i++ )
792 sout_stream_id_t *id = p_sys->es[i];
794 i_size += strlen( "m=**d*o * RTP/AVP *\r\n" ) + 10 + 10;
797 i_size += strlen( "a=rtpmap:* *\r\n" ) + strlen( id->psz_rtpmap )+10;
801 i_size += strlen( "a=fmtp:* *\r\n" ) + strlen( id->psz_fmtp ) + 10;
805 i_size += strlen( "b=AS: *\r\n") + 10;
809 i_size += strlen( "a=control:*/trackID=*\r\n" ) + strlen( p_sys->psz_rtsp_control ) + 10;
814 i_size += strlen( "m=video %d RTP/AVP %d\r\n" ) +10 +10;
817 ipv = ( strchr( psz_destination, ':' ) != NULL ) ? '6' : '4';
819 p = psz_sdp = malloc( i_size );
820 p += sprintf( p, "v=0\r\n" );
821 p += sprintf( p, "o=- "I64Fd" %d IN IP%c %s\r\n",
822 p_sys->i_sdp_id, p_sys->i_sdp_version,
823 ipv, ipv == '6' ? "::1" : "127.0.0.1" );
824 if( *p_sys->psz_session_name )
825 p += sprintf( p, "s=%s\r\n", p_sys->psz_session_name );
826 if( *p_sys->psz_session_description )
827 p += sprintf( p, "i=%s\r\n", p_sys->psz_session_description );
828 if( *p_sys->psz_session_url )
829 p += sprintf( p, "u=%s\r\n", p_sys->psz_session_url );
830 if( *p_sys->psz_session_email )
831 p += sprintf( p, "e=%s\r\n", p_sys->psz_session_email );
833 p += sprintf( p, "t=0 0\r\n" ); /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
834 p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" );
836 p += sprintf( p, "c=IN IP%c %s", ipv, psz_destination );
839 && net_AddressIsMulticast( (vlc_object_t *)p_stream, psz_destination ) )
841 /* Add the deprecated TTL field if it is an IPv4 multicast address */
842 p += sprintf( p, "/%d", p_sys->i_ttl ?: 1 );
844 p += sprintf( p, "\r\n" );
846 for( i = 0; i < p_sys->i_es; i++ )
848 sout_stream_id_t *id = p_sys->es[i];
850 if( id->i_cat == AUDIO_ES )
852 p += sprintf( p, "m=audio %d RTP/AVP %d\r\n",
853 id->i_port, id->i_payload_type );
855 else if( id->i_cat == VIDEO_ES )
857 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
858 id->i_port, id->i_payload_type );
866 p += sprintf( p, "a=rtpmap:%d %s\r\n", id->i_payload_type,
871 p += sprintf( p, "a=fmtp:%d %s\r\n", id->i_payload_type,
876 p += sprintf(p,"b=AS:%d\r\n",id->i_bitrate);
880 p += sprintf( p, "a=control:/trackID=%d\r\n", i );
885 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
886 p_sys->i_port, p_sys->i_payload_type );
892 /*****************************************************************************
894 *****************************************************************************/
895 static int rtp_packetize_l16 ( sout_stream_t *, sout_stream_id_t *, block_t * );
896 static int rtp_packetize_l8 ( sout_stream_t *, sout_stream_id_t *, block_t * );
897 static int rtp_packetize_mpa ( sout_stream_t *, sout_stream_id_t *, block_t * );
898 static int rtp_packetize_mpv ( sout_stream_t *, sout_stream_id_t *, block_t * );
899 static int rtp_packetize_ac3 ( sout_stream_t *, sout_stream_id_t *, block_t * );
900 static int rtp_packetize_split( sout_stream_t *, sout_stream_id_t *, block_t * );
901 static int rtp_packetize_mp4a ( sout_stream_t *, sout_stream_id_t *, block_t * );
902 static int rtp_packetize_mp4a_latm ( sout_stream_t *, sout_stream_id_t *, block_t * );
903 static int rtp_packetize_h263 ( sout_stream_t *, sout_stream_id_t *, block_t * );
904 static int rtp_packetize_h264 ( sout_stream_t *, sout_stream_id_t *, block_t * );
905 static int rtp_packetize_amr ( sout_stream_t *, sout_stream_id_t *, block_t * );
907 static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
909 static const char hex[16] = "0123456789abcdef";
912 for( i = 0; i < i_data; i++ )
914 s[2*i+0] = hex[(p_data[i]>>4)&0xf];
915 s[2*i+1] = hex[(p_data[i] )&0xf];
920 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
922 sout_instance_t *p_sout = p_stream->p_sout;
923 sout_stream_sys_t *p_sys = p_stream->p_sys;
924 sout_stream_id_t *id;
925 sout_access_out_t *p_access = NULL;
929 if( p_sys->p_mux != NULL )
931 sout_input_t *p_input = NULL;
932 if( ( p_input = sout_MuxAddStream( p_sys->p_mux, p_fmt ) ) == NULL )
934 msg_Err( p_stream, "cannot add this stream to the muxer" );
938 id = malloc( sizeof( sout_stream_id_t ) );
939 memset( id, 0, sizeof( sout_stream_id_t ) );
941 id->p_input = p_input;
942 id->pf_packetize= NULL;
943 id->p_rtsp_url = NULL;
949 /* Choose the port */
951 if( p_fmt->i_cat == AUDIO_ES && p_sys->i_port_audio > 0 )
953 i_port = p_sys->i_port_audio;
954 p_sys->i_port_audio = 0;
956 else if( p_fmt->i_cat == VIDEO_ES && p_sys->i_port_video > 0 )
958 i_port = p_sys->i_port_video;
959 p_sys->i_port_video = 0;
963 if( p_sys->i_port != p_sys->i_port_audio && p_sys->i_port != p_sys->i_port_video )
965 i_port = p_sys->i_port;
972 if( p_sys->psz_destination )
975 char url[NI_MAXHOST + 8];
977 /* first try to create the access out */
980 snprintf( access, sizeof( access ), "udp{raw,ttl=%d}",
982 access[sizeof( access ) - 1] = '\0';
985 strcpy( access, "udp{raw}" );
987 snprintf( url, sizeof( url ), (( p_sys->psz_destination[0] != '[' ) &&
988 strchr( p_sys->psz_destination, ':' )) ? "[%s]:%d" : "%s:%d",
989 p_sys->psz_destination, i_port );
990 url[sizeof( url ) - 1] = '\0';
992 if( ( p_access = sout_AccessOutNew( p_sout, access, url ) ) == NULL )
994 msg_Err( p_stream, "cannot create the access out for %s://%s",
998 msg_Dbg( p_stream, "access out %s:%s", access, url );
1001 /* not create the rtp specific stuff */
1002 id = malloc( sizeof( sout_stream_id_t ) );
1003 memset( id, 0, sizeof( sout_stream_id_t ) );
1004 id->p_stream = p_stream;
1005 id->p_access = p_access;
1007 id->psz_rtpmap = NULL;
1008 id->psz_fmtp = NULL;
1009 id->psz_destination = p_sys->psz_destination ? strdup( p_sys->psz_destination ) : NULL;
1010 id->i_port = i_port;
1011 id->p_rtsp_url = NULL;
1012 vlc_mutex_init( p_stream, &id->lock_rtsp );
1013 id->i_rtsp_access = 0;
1014 id->rtsp_access = NULL;
1016 switch( p_fmt->i_codec )
1018 case VLC_FOURCC( 's', '1', '6', 'b' ):
1019 if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
1021 id->i_payload_type = 11;
1023 else if( p_fmt->audio.i_channels == 2 &&
1024 p_fmt->audio.i_rate == 44100 )
1026 id->i_payload_type = 10;
1030 id->i_payload_type = p_sys->i_payload_type++;
1032 id->psz_rtpmap = malloc( strlen( "L16/*/*" ) + 20+1 );
1033 sprintf( id->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
1034 p_fmt->audio.i_channels );
1035 id->i_clock_rate = p_fmt->audio.i_rate;
1036 id->pf_packetize = rtp_packetize_l16;
1038 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
1039 id->i_payload_type = p_sys->i_payload_type++;
1040 id->psz_rtpmap = malloc( strlen( "L8/*/*" ) + 20+1 );
1041 sprintf( id->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
1042 p_fmt->audio.i_channels );
1043 id->i_clock_rate = p_fmt->audio.i_rate;
1044 id->pf_packetize = rtp_packetize_l8;
1046 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
1047 id->i_payload_type = 14;
1048 id->i_clock_rate = 90000;
1049 id->psz_rtpmap = strdup( "MPA/90000" );
1050 id->pf_packetize = rtp_packetize_mpa;
1052 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
1053 id->i_payload_type = 32;
1054 id->i_clock_rate = 90000;
1055 id->psz_rtpmap = strdup( "MPV/90000" );
1056 id->pf_packetize = rtp_packetize_mpv;
1058 case VLC_FOURCC( 'a', '5', '2', ' ' ):
1059 id->i_payload_type = p_sys->i_payload_type++;
1060 id->i_clock_rate = 90000;
1061 id->psz_rtpmap = strdup( "ac3/90000" );
1062 id->pf_packetize = rtp_packetize_ac3;
1064 case VLC_FOURCC( 'H', '2', '6', '3' ):
1065 id->i_payload_type = p_sys->i_payload_type++;
1066 id->i_clock_rate = 90000;
1067 id->psz_rtpmap = strdup( "H263-1998/90000" );
1068 id->pf_packetize = rtp_packetize_h263;
1070 case VLC_FOURCC( 'h', '2', '6', '4' ):
1071 id->i_payload_type = p_sys->i_payload_type++;
1072 id->i_clock_rate = 90000;
1073 id->psz_rtpmap = strdup( "H264/90000" );
1074 id->pf_packetize = rtp_packetize_h264;
1075 id->psz_fmtp = NULL;
1077 if( p_fmt->i_extra > 0 )
1079 uint8_t *p_buffer = p_fmt->p_extra;
1080 int i_buffer = p_fmt->i_extra;
1081 char *p_64_sps = NULL;
1082 char *p_64_pps = NULL;
1085 while( i_buffer > 4 &&
1086 p_buffer[0] == 0 && p_buffer[1] == 0 &&
1087 p_buffer[2] == 0 && p_buffer[3] == 1 )
1089 const int i_nal_type = p_buffer[4]&0x1f;
1093 msg_Dbg( p_stream, "we found a startcode for NAL with TYPE:%d", i_nal_type );
1096 for( i_offset = 4; i_offset+3 < i_buffer ; i_offset++)
1098 if( p_buffer[i_offset] == 0 && p_buffer[i_offset+1] == 0 && p_buffer[i_offset+2] == 0 && p_buffer[i_offset+3] == 1 )
1100 /* we found another startcode */
1105 if( i_nal_type == 7 )
1107 p_64_sps = vlc_b64_encode_binary( &p_buffer[4], i_size - 4 );
1108 sprintf_hexa( hexa, &p_buffer[5], 3 );
1110 else if( i_nal_type == 8 )
1112 p_64_pps = vlc_b64_encode_binary( &p_buffer[4], i_size - 4 );
1118 if( p_64_sps && p_64_pps )
1119 asprintf( &id->psz_fmtp, "packetization-mode=1;profile-level-id=%s;sprop-parameter-sets=%s,%s;", hexa, p_64_sps, p_64_pps );
1126 id->psz_fmtp = strdup( "packetization-mode=1" );
1129 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
1131 char hexa[2*p_fmt->i_extra +1];
1133 id->i_payload_type = p_sys->i_payload_type++;
1134 id->i_clock_rate = 90000;
1135 id->psz_rtpmap = strdup( "MP4V-ES/90000" );
1136 id->pf_packetize = rtp_packetize_split;
1137 if( p_fmt->i_extra > 0 )
1139 id->psz_fmtp = malloc( 100 + 2 * p_fmt->i_extra );
1140 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
1141 sprintf( id->psz_fmtp,
1142 "profile-level-id=3; config=%s;", hexa );
1146 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
1148 id->i_payload_type = p_sys->i_payload_type++;
1149 id->i_clock_rate = p_fmt->audio.i_rate;
1153 char hexa[2*p_fmt->i_extra +1];
1155 id->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
1156 sprintf( id->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
1157 id->pf_packetize = rtp_packetize_mp4a;
1158 id->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
1159 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
1160 sprintf( id->psz_fmtp,
1161 "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
1162 "config=%s; SizeLength=13;IndexLength=3; "
1163 "IndexDeltaLength=3; Profile=1;", hexa );
1169 unsigned char config[6];
1170 unsigned int aacsrates[15] = {
1171 96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
1172 16000, 12000, 11025, 8000, 7350, 0, 0 };
1174 for( i = 0; i < 15; i++ )
1175 if( p_fmt->audio.i_rate == aacsrates[i] )
1181 config[3]=p_fmt->audio.i_channels<<4;
1185 asprintf( &id->psz_rtpmap, "MP4A-LATM/%d/%d",
1186 p_fmt->audio.i_rate, p_fmt->audio.i_channels );
1187 id->pf_packetize = rtp_packetize_mp4a_latm;
1188 sprintf_hexa( hexa, config, 6 );
1189 asprintf( &id->psz_fmtp, "profile-level-id=15; "
1190 "object=2; cpresent=0; config=%s", hexa );
1194 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
1195 id->i_payload_type = p_sys->i_payload_type++;
1196 id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
1197 "AMR/8000/2" : "AMR/8000" );
1198 id->psz_fmtp = strdup( "octet-align=1" );
1199 id->i_clock_rate = p_fmt->audio.i_rate;
1200 id->pf_packetize = rtp_packetize_amr;
1202 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
1203 id->i_payload_type = p_sys->i_payload_type++;
1204 id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
1205 "AMR-WB/16000/2" : "AMR-WB/16000" );
1206 id->psz_fmtp = strdup( "octet-align=1" );
1207 id->i_clock_rate = p_fmt->audio.i_rate;
1208 id->pf_packetize = rtp_packetize_amr;
1212 msg_Err( p_stream, "cannot add this stream (unsupported "
1213 "codec:%4.4s)", (char*)&p_fmt->i_codec );
1216 sout_AccessOutDelete( p_access );
1221 id->i_cat = p_fmt->i_cat;
1223 id->ssrc[0] = rand()&0xff;
1224 id->ssrc[1] = rand()&0xff;
1225 id->ssrc[2] = rand()&0xff;
1226 id->ssrc[3] = rand()&0xff;
1227 id->i_sequence = rand()&0xffff;
1228 id->i_timestamp_start = rand()&0xffffffff;
1229 id->i_bitrate = p_fmt->i_bitrate/1000; /* Stream bitrate in kbps */
1231 id->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beuk */
1232 if( id->i_mtu <= 16 + MTU_REDUCE )
1234 /* better than nothing */
1237 id->i_mtu -= MTU_REDUCE;
1238 msg_Dbg( p_stream, "maximum RTP packet size: %d bytes", id->i_mtu );
1240 if( p_sys->p_rtsp_url )
1242 char psz_urlc[strlen( p_sys->psz_rtsp_control ) + 1 + 10];
1244 sprintf( psz_urlc, "%s/trackID=%d", p_sys->psz_rtsp_path, p_sys->i_es );
1245 msg_Dbg( p_stream, "rtsp: adding %s\n", psz_urlc );
1246 id->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, psz_urlc, NULL, NULL, NULL );
1248 if( id->p_rtsp_url )
1250 httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_SETUP, RtspCallbackId, (void*)id );
1251 //httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
1252 //httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
1257 /* Update p_sys context */
1258 vlc_mutex_lock( &p_sys->lock_es );
1259 TAB_APPEND( p_sys->i_es, p_sys->es, id );
1260 vlc_mutex_unlock( &p_sys->lock_es );
1262 psz_sdp = SDPGenerate( p_stream, p_sys->psz_destination, VLC_FALSE );
1264 vlc_mutex_lock( &p_sys->lock_sdp );
1265 free( p_sys->psz_sdp );
1266 p_sys->psz_sdp = psz_sdp;
1267 vlc_mutex_unlock( &p_sys->lock_sdp );
1269 p_sys->i_sdp_version++;
1271 msg_Dbg( p_stream, "sdp=%s", p_sys->psz_sdp );
1273 /* Update SDP (sap/file) */
1274 if( p_sys->b_export_sap ) SapSetup( p_stream );
1275 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
1280 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
1282 sout_stream_sys_t *p_sys = p_stream->p_sys;
1284 vlc_mutex_lock( &p_sys->lock_es );
1285 TAB_REMOVE( p_sys->i_es, p_sys->es, id );
1286 vlc_mutex_unlock( &p_sys->lock_es );
1289 if( id->i_port > 0 )
1291 if( id->i_cat == AUDIO_ES && p_sys->i_port_audio == 0 )
1292 p_sys->i_port_audio = id->i_port;
1293 else if( id->i_cat == VIDEO_ES && p_sys->i_port_video == 0 )
1294 p_sys->i_port_video = id->i_port;
1299 if( id->psz_rtpmap )
1301 free( id->psz_rtpmap );
1305 free( id->psz_fmtp );
1307 if( id->psz_destination )
1308 free( id->psz_destination );
1309 sout_AccessOutDelete( id->p_access );
1311 else if( id->p_input )
1313 sout_MuxDeleteStream( p_sys->p_mux, id->p_input );
1315 if( id->p_rtsp_url )
1317 httpd_UrlDelete( id->p_rtsp_url );
1319 vlc_mutex_destroy( &id->lock_rtsp );
1320 if( id->rtsp_access ) free( id->rtsp_access );
1322 /* Update SDP (sap/file) */
1323 if( p_sys->b_export_sap && !p_sys->p_mux ) SapSetup( p_stream );
1324 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
1330 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
1335 if( p_stream->p_sys->p_mux )
1337 sout_MuxSendBuffer( p_stream->p_sys->p_mux, id->p_input, p_buffer );
1343 p_next = p_buffer->p_next;
1344 if( id->pf_packetize( p_stream, id, p_buffer ) )
1348 block_Release( p_buffer );
1356 static int AccessOutGrabberWriteBuffer( sout_stream_t *p_stream,
1359 sout_stream_sys_t *p_sys = p_stream->p_sys;
1361 int64_t i_dts = p_buffer->i_dts;
1362 uint32_t i_timestamp = i_dts * 9 / 100;
1364 uint8_t *p_data = p_buffer->p_buffer;
1365 unsigned int i_data = p_buffer->i_buffer;
1366 unsigned int i_max = p_sys->i_mtu - 12;
1368 unsigned i_packet = ( p_buffer->i_buffer + i_max - 1 ) / i_max;
1372 unsigned int i_size;
1374 /* output complete packet */
1375 if( p_sys->packet &&
1376 p_sys->packet->i_buffer + i_data > i_max )
1378 sout_AccessOutWrite( p_sys->p_access, p_sys->packet );
1379 p_sys->packet = NULL;
1382 if( p_sys->packet == NULL )
1384 /* allocate a new packet */
1385 p_sys->packet = block_New( p_stream, p_sys->i_mtu );
1386 p_sys->packet->p_buffer[ 0] = 0x80;
1387 p_sys->packet->p_buffer[ 1] = 0x80|p_sys->i_payload_type;
1388 p_sys->packet->p_buffer[ 2] = ( p_sys->i_sequence >> 8)&0xff;
1389 p_sys->packet->p_buffer[ 3] = ( p_sys->i_sequence )&0xff;
1390 p_sys->packet->p_buffer[ 4] = ( i_timestamp >> 24 )&0xff;
1391 p_sys->packet->p_buffer[ 5] = ( i_timestamp >> 16 )&0xff;
1392 p_sys->packet->p_buffer[ 6] = ( i_timestamp >> 8 )&0xff;
1393 p_sys->packet->p_buffer[ 7] = ( i_timestamp )&0xff;
1394 p_sys->packet->p_buffer[ 8] = p_sys->ssrc[0];
1395 p_sys->packet->p_buffer[ 9] = p_sys->ssrc[1];
1396 p_sys->packet->p_buffer[10] = p_sys->ssrc[2];
1397 p_sys->packet->p_buffer[11] = p_sys->ssrc[3];
1398 p_sys->packet->i_buffer = 12;
1400 p_sys->packet->i_dts = i_dts;
1401 p_sys->packet->i_length = p_buffer->i_length / i_packet;
1402 i_dts += p_sys->packet->i_length;
1404 p_sys->i_sequence++;
1407 i_size = __MIN( i_data,
1408 (unsigned)(p_sys->i_mtu - p_sys->packet->i_buffer) );
1410 memcpy( &p_sys->packet->p_buffer[p_sys->packet->i_buffer],
1413 p_sys->packet->i_buffer += i_size;
1421 static int AccessOutGrabberWrite( sout_access_out_t *p_access,
1424 sout_stream_t *p_stream = (sout_stream_t*)p_access->p_sys;
1426 //fprintf( stderr, "received buffer size=%d\n", p_buffer->i_buffer );
1432 AccessOutGrabberWriteBuffer( p_stream, p_buffer );
1434 p_next = p_buffer->p_next;
1435 block_Release( p_buffer );
1442 /****************************************************************************
1444 ****************************************************************************/
1445 static int SapSetup( sout_stream_t *p_stream )
1447 sout_stream_sys_t *p_sys = p_stream->p_sys;
1448 sout_instance_t *p_sout = p_stream->p_sout;
1449 announce_method_t *p_method = sout_SAPMethod();
1451 /* Remove the previous session */
1452 if( p_sys->p_session != NULL)
1454 sout_AnnounceUnRegister( p_sout, p_sys->p_session);
1455 sout_AnnounceSessionDestroy( p_sys->p_session );
1456 p_sys->p_session = NULL;
1459 if( ( p_sys->i_es > 0 || p_sys->p_mux ) && p_sys->psz_sdp && *p_sys->psz_sdp )
1461 p_sys->p_session = sout_AnnounceRegisterSDP( p_sout, SOUT_CFG_PREFIX,
1463 p_sys->psz_destination,
1467 sout_MethodRelease( p_method );
1471 /****************************************************************************
1473 ****************************************************************************/
1474 static int FileSetup( sout_stream_t *p_stream )
1476 sout_stream_sys_t *p_sys = p_stream->p_sys;
1479 if( ( f = utf8_fopen( p_sys->psz_sdp_file, "wt" ) ) == NULL )
1481 msg_Err( p_stream, "cannot open file '%s' (%s)",
1482 p_sys->psz_sdp_file, strerror(errno) );
1483 return VLC_EGENERIC;
1486 fprintf( f, "%s", p_sys->psz_sdp );
1492 /****************************************************************************
1494 ****************************************************************************/
1495 static int HttpCallback( httpd_file_sys_t *p_args,
1496 httpd_file_t *, uint8_t *p_request,
1497 uint8_t **pp_data, int *pi_data );
1499 static int HttpSetup( sout_stream_t *p_stream, vlc_url_t *url)
1501 sout_stream_sys_t *p_sys = p_stream->p_sys;
1503 p_sys->p_httpd_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 80 );
1504 if( p_sys->p_httpd_host )
1506 p_sys->p_httpd_file = httpd_FileNew( p_sys->p_httpd_host,
1507 url->psz_path ? url->psz_path : "/",
1510 HttpCallback, (void*)p_sys );
1512 if( p_sys->p_httpd_file == NULL )
1514 return VLC_EGENERIC;
1519 static int HttpCallback( httpd_file_sys_t *p_args,
1520 httpd_file_t *f, uint8_t *p_request,
1521 uint8_t **pp_data, int *pi_data )
1523 sout_stream_sys_t *p_sys = (sout_stream_sys_t*)p_args;
1525 vlc_mutex_lock( &p_sys->lock_sdp );
1526 if( p_sys->psz_sdp && *p_sys->psz_sdp )
1528 *pi_data = strlen( p_sys->psz_sdp );
1529 *pp_data = malloc( *pi_data );
1530 memcpy( *pp_data, p_sys->psz_sdp, *pi_data );
1537 vlc_mutex_unlock( &p_sys->lock_sdp );
1542 /****************************************************************************
1544 ****************************************************************************/
1545 static rtsp_client_t *RtspClientNew( sout_stream_t *p_stream, const char *psz_session )
1547 rtsp_client_t *rtsp = malloc( sizeof( rtsp_client_t ));
1549 rtsp->psz_session = strdup( psz_session );
1551 rtsp->b_playing = VLC_FALSE;
1555 rtsp->access = NULL;
1557 TAB_APPEND( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
1561 static rtsp_client_t *RtspClientGet( sout_stream_t *p_stream, const char *psz_session )
1565 if( !psz_session ) return NULL;
1567 for( i = 0; i < p_stream->p_sys->i_rtsp; i++ )
1569 if( !strcmp( p_stream->p_sys->rtsp[i]->psz_session, psz_session ) )
1571 return p_stream->p_sys->rtsp[i];
1577 static void RtspClientDel( sout_stream_t *p_stream, rtsp_client_t *rtsp )
1580 TAB_REMOVE( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
1582 for( i = 0; i < rtsp->i_access; i++ )
1584 sout_AccessOutDelete( rtsp->access[i] );
1586 if( rtsp->id ) free( rtsp->id );
1587 if( rtsp->access ) free( rtsp->access );
1589 free( rtsp->psz_session );
1593 static int RtspSetup( sout_stream_t *p_stream, vlc_url_t *url )
1595 sout_stream_sys_t *p_sys = p_stream->p_sys;
1597 msg_Dbg( p_stream, "rtsp setup: %s : %d / %s\n", url->psz_host, url->i_port, url->psz_path );
1599 p_sys->p_rtsp_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 554 );
1600 if( p_sys->p_rtsp_host == NULL )
1602 return VLC_EGENERIC;
1605 p_sys->psz_rtsp_path = strdup( url->psz_path ? url->psz_path : "/" );
1606 p_sys->psz_rtsp_control = malloc (strlen( url->psz_host ) + 20 + strlen( p_sys->psz_rtsp_path ) + 1 );
1607 sprintf( p_sys->psz_rtsp_control, "rtsp://%s:%d%s",
1608 url->psz_host, url->i_port > 0 ? url->i_port : 554, p_sys->psz_rtsp_path );
1610 p_sys->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, p_sys->psz_rtsp_path, NULL, NULL, NULL );
1611 if( p_sys->p_rtsp_url == 0 )
1613 return VLC_EGENERIC;
1615 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_DESCRIBE, RtspCallback, (void*)p_stream );
1616 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
1617 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
1618 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_TEARDOWN, RtspCallback, (void*)p_stream );
1623 static int RtspCallback( httpd_callback_sys_t *p_args,
1625 httpd_message_t *answer, httpd_message_t *query )
1627 sout_stream_t *p_stream = (sout_stream_t*)p_args;
1628 sout_stream_sys_t *p_sys = p_stream->p_sys;
1629 char *psz_destination = p_sys->psz_destination;
1630 const char *psz_session = NULL;
1631 const char *psz_cseq = NULL;
1634 if( answer == NULL || query == NULL )
1638 //fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
1640 answer->i_proto = HTTPD_PROTO_RTSP;
1641 answer->i_version= query->i_version;
1642 answer->i_type = HTTPD_MSG_ANSWER;
1644 switch( query->i_type )
1646 case HTTPD_MSG_DESCRIBE:
1648 char *psz_sdp = SDPGenerate( p_stream, psz_destination ? psz_destination : "0.0.0.0", VLC_TRUE );
1650 answer->i_status = 200;
1651 answer->psz_status = strdup( "OK" );
1652 httpd_MsgAdd( answer, "Content-type", "%s", "application/sdp" );
1653 httpd_MsgAdd( answer, "Content-Base", "%s", p_sys->psz_rtsp_control );
1654 answer->p_body = (uint8_t *)psz_sdp;
1655 answer->i_body = strlen( psz_sdp );
1659 case HTTPD_MSG_PLAY:
1661 rtsp_client_t *rtsp;
1662 /* for now only multicast so easy */
1663 answer->i_status = 200;
1664 answer->psz_status = strdup( "OK" );
1666 answer->p_body = NULL;
1668 psz_session = httpd_MsgGet( query, "Session" );
1669 rtsp = RtspClientGet( p_stream, psz_session );
1670 if( rtsp && !rtsp->b_playing )
1674 rtsp->b_playing = VLC_TRUE;
1676 vlc_mutex_lock( &p_sys->lock_es );
1677 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
1679 sout_stream_id_t *id = rtsp->id[i_id];
1682 for( i = 0; i < p_sys->i_es; i++ )
1684 if( id == p_sys->es[i] )
1687 if( i >= p_sys->i_es ) continue;
1689 vlc_mutex_lock( &id->lock_rtsp );
1690 TAB_APPEND( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
1691 vlc_mutex_unlock( &id->lock_rtsp );
1693 vlc_mutex_unlock( &p_sys->lock_es );
1697 case HTTPD_MSG_PAUSE:
1699 return VLC_EGENERIC;
1700 case HTTPD_MSG_TEARDOWN:
1702 rtsp_client_t *rtsp;
1704 /* for now only multicast so easy again */
1705 answer->i_status = 200;
1706 answer->psz_status = strdup( "OK" );
1708 answer->p_body = NULL;
1710 psz_session = httpd_MsgGet( query, "Session" );
1711 rtsp = RtspClientGet( p_stream, psz_session );
1716 vlc_mutex_lock( &p_sys->lock_es );
1717 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
1719 sout_stream_id_t *id = rtsp->id[i_id];
1722 for( i = 0; i < p_sys->i_es; i++ )
1724 if( id == p_sys->es[i] )
1727 if( i >= p_sys->i_es ) continue;
1729 vlc_mutex_lock( &id->lock_rtsp );
1730 TAB_REMOVE( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
1731 vlc_mutex_unlock( &id->lock_rtsp );
1733 vlc_mutex_unlock( &p_sys->lock_es );
1735 RtspClientDel( p_stream, rtsp );
1741 return VLC_EGENERIC;
1743 httpd_MsgAdd( answer, "Server", PACKAGE_STRING );
1744 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1745 psz_cseq = httpd_MsgGet( query, "Cseq" );
1747 i_cseq = atoi( psz_cseq );
1750 httpd_MsgAdd( answer, "Cseq", "%d", i_cseq );
1751 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1754 httpd_MsgAdd( answer, "Session", "%s;timeout=5", psz_session );
1758 static int RtspCallbackId( httpd_callback_sys_t *p_args,
1760 httpd_message_t *answer, httpd_message_t *query )
1762 sout_stream_id_t *id = (sout_stream_id_t*)p_args;
1763 sout_stream_t *p_stream = id->p_stream;
1764 sout_stream_sys_t *p_sys = p_stream->p_sys;
1765 char psz_session_init[100];
1766 const char *psz_session = NULL;
1767 const char *psz_cseq = NULL;
1771 if( answer == NULL || query == NULL )
1773 //fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
1776 snprintf( psz_session_init, sizeof(psz_session_init), "%d", rand() );
1779 answer->i_proto = HTTPD_PROTO_RTSP;
1780 answer->i_version= query->i_version;
1781 answer->i_type = HTTPD_MSG_ANSWER;
1783 switch( query->i_type )
1785 case HTTPD_MSG_SETUP:
1787 const char *psz_transport = httpd_MsgGet( query, "Transport" );
1789 //fprintf( stderr, "HTTPD_MSG_SETUP: transport=%s\n", psz_transport );
1791 if( strstr( psz_transport, "multicast" ) && id->psz_destination )
1793 //fprintf( stderr, "HTTPD_MSG_SETUP: multicast\n" );
1794 answer->i_status = 200;
1795 answer->psz_status = strdup( "OK" );
1797 answer->p_body = NULL;
1799 psz_session = httpd_MsgGet( query, "Session" );
1801 psz_session = psz_session_init;
1803 httpd_MsgAdd( answer, "Transport",
1804 "RTP/AVP/UDP;destination=%s;port=%d-%d;ttl=%d",
1805 id->psz_destination, id->i_port,id->i_port+1,
1806 p_sys->i_ttl > 0 ? p_sys->i_ttl : 1);
1808 else if( strstr( psz_transport, "unicast" ) && strstr( psz_transport, "client_port=" ) )
1810 int i_port = atoi( strstr( psz_transport, "client_port=" ) + strlen("client_port=") );
1811 char ip[NI_MAXNUMERICHOST], psz_access[17], psz_url[NI_MAXNUMERICHOST + 8];
1813 sout_access_out_t *p_access;
1815 rtsp_client_t *rtsp = NULL;
1817 if( httpd_ClientIP( cl, ip ) == NULL )
1819 answer->i_status = 500;
1820 answer->psz_status = strdup( "Internal server error" );
1822 answer->p_body = NULL;
1826 //fprintf( stderr, "HTTPD_MSG_SETUP: unicast ip=%s port=%d\n", ip, i_port );
1828 psz_session = httpd_MsgGet( query, "Session" );
1831 psz_session = psz_session_init;
1832 rtsp = RtspClientNew( p_stream, psz_session_init );
1836 rtsp = RtspClientGet( p_stream, psz_session );
1839 answer->i_status = 454;
1840 answer->psz_status = strdup( "Unknown session id" );
1842 answer->p_body = NULL;
1847 /* first try to create the access out */
1849 snprintf( psz_access, sizeof( psz_access ),
1850 "udp{raw,ttl=%d}", p_sys->i_ttl );
1852 strlcpy( psz_access, "udp{raw}", sizeof( psz_access ) );
1854 snprintf( psz_url, sizeof( psz_url ),
1855 ( strchr( ip, ':' ) != NULL ) ? "[%s]:%d" : "%s:%d",
1858 if( ( p_access = sout_AccessOutNew( p_stream->p_sout, psz_access, psz_url ) ) == NULL )
1860 msg_Err( p_stream, "cannot create the access out for %s://%s",
1861 psz_access, psz_url );
1862 answer->i_status = 500;
1863 answer->psz_status = strdup( "Internal server error" );
1865 answer->p_body = NULL;
1869 TAB_APPEND( rtsp->i_id, rtsp->id, id );
1870 TAB_APPEND( rtsp->i_access, rtsp->access, p_access );
1872 answer->i_status = 200;
1873 answer->psz_status = strdup( "OK" );
1875 answer->p_body = NULL;
1877 httpd_MsgAdd( answer, "Transport",
1878 "RTP/AVP/UDP;client_port=%d-%d", i_port, i_port + 1 );
1880 else /* TODO strstr( psz_transport, "interleaved" ) ) */
1882 answer->i_status = 461;
1883 answer->psz_status = strdup( "Unsupported Transport" );
1885 answer->p_body = NULL;
1891 return VLC_EGENERIC;
1893 httpd_MsgAdd( answer, "Server", "VLC Server" );
1894 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1895 psz_cseq = httpd_MsgGet( query, "Cseq" );
1897 i_cseq = atoi( psz_cseq );
1900 httpd_MsgAdd( answer, "Cseq", "%d", i_cseq );
1901 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1904 httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
1908 /****************************************************************************
1910 ****************************************************************************/
1911 static void rtp_packetize_common( sout_stream_id_t *id, block_t *out,
1912 int b_marker, int64_t i_pts )
1914 uint32_t i_timestamp = i_pts * (int64_t)id->i_clock_rate / I64C(1000000);
1916 out->p_buffer[0] = 0x80;
1917 out->p_buffer[1] = (b_marker?0x80:0x00)|id->i_payload_type;
1918 out->p_buffer[2] = ( id->i_sequence >> 8)&0xff;
1919 out->p_buffer[3] = ( id->i_sequence )&0xff;
1920 out->p_buffer[4] = ( i_timestamp >> 24 )&0xff;
1921 out->p_buffer[5] = ( i_timestamp >> 16 )&0xff;
1922 out->p_buffer[6] = ( i_timestamp >> 8 )&0xff;
1923 out->p_buffer[7] = ( i_timestamp )&0xff;
1925 out->p_buffer[ 8] = id->ssrc[0];
1926 out->p_buffer[ 9] = id->ssrc[1];
1927 out->p_buffer[10] = id->ssrc[2];
1928 out->p_buffer[11] = id->ssrc[3];
1934 static void rtp_packetize_send( sout_stream_id_t *id, block_t *out )
1937 vlc_mutex_lock( &id->lock_rtsp );
1938 for( i = 0; i < id->i_rtsp_access; i++ )
1940 sout_AccessOutWrite( id->rtsp_access[i], block_Duplicate( out ) );
1942 vlc_mutex_unlock( &id->lock_rtsp );
1946 sout_AccessOutWrite( id->p_access, out );
1950 block_Release( out );
1954 static int rtp_packetize_mpa( sout_stream_t *p_stream, sout_stream_id_t *id,
1957 int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
1958 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1960 uint8_t *p_data = in->p_buffer;
1961 int i_data = in->i_buffer;
1964 for( i = 0; i < i_count; i++ )
1966 int i_payload = __MIN( i_max, i_data );
1967 block_t *out = block_New( p_stream, 16 + i_payload );
1969 /* rtp common header */
1970 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
1972 out->p_buffer[12] = 0;
1973 out->p_buffer[13] = 0;
1974 /* fragment offset in the current frame */
1975 out->p_buffer[14] = ( (i*i_max) >> 8 )&0xff;
1976 out->p_buffer[15] = ( (i*i_max) )&0xff;
1977 memcpy( &out->p_buffer[16], p_data, i_payload );
1979 out->i_buffer = 16 + i_payload;
1980 out->i_dts = in->i_dts + i * in->i_length / i_count;
1981 out->i_length = in->i_length / i_count;
1983 rtp_packetize_send( id, out );
1985 p_data += i_payload;
1986 i_data -= i_payload;
1993 static int rtp_packetize_mpv( sout_stream_t *p_stream, sout_stream_id_t *id,
1996 int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
1997 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1999 uint8_t *p_data = in->p_buffer;
2000 int i_data = in->i_buffer;
2002 int b_sequence_start = 0;
2003 int i_temporal_ref = 0;
2004 int i_picture_coding_type = 0;
2005 int i_fbv = 0, i_bfc = 0, i_ffv = 0, i_ffc = 0;
2006 int b_start_slice = 0;
2008 /* preparse this packet to get some info */
2009 if( in->i_buffer > 4 )
2011 uint8_t *p = p_data;
2012 int i_rest = in->i_buffer;
2016 while( i_rest > 4 &&
2017 ( p[0] != 0x00 || p[1] != 0x00 || p[2] != 0x01 ) )
2031 /* sequence start code */
2032 b_sequence_start = 1;
2034 else if( *p == 0x00 && i_rest >= 4 )
2037 i_temporal_ref = ( p[1] << 2) |((p[2]>>6)&0x03);
2038 i_picture_coding_type = (p[2] >> 3)&0x07;
2040 if( i_rest >= 4 && ( i_picture_coding_type == 2 ||
2041 i_picture_coding_type == 3 ) )
2043 i_ffv = (p[3] >> 2)&0x01;
2044 i_ffc = ((p[3]&0x03) << 1)|((p[4]>>7)&0x01);
2045 if( i_rest > 4 && i_picture_coding_type == 3 )
2047 i_fbv = (p[4]>>6)&0x01;
2048 i_bfc = (p[4]>>3)&0x07;
2052 else if( *p <= 0xaf )
2059 for( i = 0; i < i_count; i++ )
2061 int i_payload = __MIN( i_max, i_data );
2062 block_t *out = block_New( p_stream,
2064 uint32_t h = ( i_temporal_ref << 16 )|
2065 ( b_sequence_start << 13 )|
2066 ( b_start_slice << 12 )|
2067 ( i == i_count - 1 ? 1 << 11 : 0 )|
2068 ( i_picture_coding_type << 8 )|
2069 ( i_fbv << 7 )|( i_bfc << 4 )|( i_ffv << 3 )|i_ffc;
2071 /* rtp common header */
2072 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
2073 in->i_pts > 0 ? in->i_pts : in->i_dts );
2075 /* 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 */
2076 out->p_buffer[12] = ( h >> 24 )&0xff;
2077 out->p_buffer[13] = ( h >> 16 )&0xff;
2078 out->p_buffer[14] = ( h >> 8 )&0xff;
2079 out->p_buffer[15] = ( h )&0xff;
2081 memcpy( &out->p_buffer[16], p_data, i_payload );
2083 out->i_buffer = 16 + i_payload;
2084 out->i_dts = in->i_dts + i * in->i_length / i_count;
2085 out->i_length = in->i_length / i_count;
2087 rtp_packetize_send( id, out );
2089 p_data += i_payload;
2090 i_data -= i_payload;
2096 static int rtp_packetize_ac3( sout_stream_t *p_stream, sout_stream_id_t *id,
2099 int i_max = id->i_mtu - 12 - 2; /* payload max in one packet */
2100 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2102 uint8_t *p_data = in->p_buffer;
2103 int i_data = in->i_buffer;
2106 for( i = 0; i < i_count; i++ )
2108 int i_payload = __MIN( i_max, i_data );
2109 block_t *out = block_New( p_stream, 14 + i_payload );
2111 /* rtp common header */
2112 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
2114 out->p_buffer[12] = 1;
2116 out->p_buffer[13] = 0x00;
2118 memcpy( &out->p_buffer[14], p_data, i_payload );
2120 out->i_buffer = 14 + i_payload;
2121 out->i_dts = in->i_dts + i * in->i_length / i_count;
2122 out->i_length = in->i_length / i_count;
2124 rtp_packetize_send( id, out );
2126 p_data += i_payload;
2127 i_data -= i_payload;
2133 static int rtp_packetize_split( sout_stream_t *p_stream, sout_stream_id_t *id,
2136 int i_max = id->i_mtu - 12; /* payload max in one packet */
2137 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2139 uint8_t *p_data = in->p_buffer;
2140 int i_data = in->i_buffer;
2143 for( i = 0; i < i_count; i++ )
2145 int i_payload = __MIN( i_max, i_data );
2146 block_t *out = block_New( p_stream, 12 + i_payload );
2148 /* rtp common header */
2149 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2150 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2151 memcpy( &out->p_buffer[12], p_data, i_payload );
2153 out->i_buffer = 12 + i_payload;
2154 out->i_dts = in->i_dts + i * in->i_length / i_count;
2155 out->i_length = in->i_length / i_count;
2157 rtp_packetize_send( id, out );
2159 p_data += i_payload;
2160 i_data -= i_payload;
2167 static int rtp_packetize_mp4a_latm( sout_stream_t *p_stream, sout_stream_id_t *id,
2170 int i_max = id->i_mtu - 14; /* payload max in one packet */
2171 int latmhdrsize = in->i_buffer / 0xff + 1;
2172 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2174 uint8_t *p_data = in->p_buffer, *p_header = NULL;
2175 int i_data = in->i_buffer;
2178 for( i = 0; i < i_count; i++ )
2180 int i_payload = __MIN( i_max, i_data );
2185 out = block_New( p_stream, 12 + latmhdrsize + i_payload );
2187 /* rtp common header */
2188 rtp_packetize_common( id, out, ((i == i_count - 1) ? 1 : 0),
2189 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2193 int tmp = in->i_buffer;
2195 p_header=out->p_buffer+12;
2205 memcpy( &out->p_buffer[12+latmhdrsize], p_data, i_payload );
2207 out->i_buffer = 12 + latmhdrsize + i_payload;
2208 out->i_dts = in->i_dts + i * in->i_length / i_count;
2209 out->i_length = in->i_length / i_count;
2211 rtp_packetize_send( id, out );
2213 p_data += i_payload;
2214 i_data -= i_payload;
2220 static int rtp_packetize_l16( sout_stream_t *p_stream, sout_stream_id_t *id,
2223 int i_max = id->i_mtu - 12; /* payload max in one packet */
2224 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2226 uint8_t *p_data = in->p_buffer;
2227 int i_data = in->i_buffer;
2232 int i_payload = (__MIN( i_max, i_data )/4)*4;
2233 block_t *out = block_New( p_stream, 12 + i_payload );
2235 /* rtp common header */
2236 rtp_packetize_common( id, out, 0,
2237 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2238 memcpy( &out->p_buffer[12], p_data, i_payload );
2240 out->i_buffer = 12 + i_payload;
2241 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
2242 out->i_length = in->i_length / i_count;
2244 rtp_packetize_send( id, out );
2246 p_data += i_payload;
2247 i_data -= i_payload;
2254 static int rtp_packetize_l8( sout_stream_t *p_stream, sout_stream_id_t *id,
2257 int i_max = id->i_mtu - 12; /* payload max in one packet */
2258 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2260 uint8_t *p_data = in->p_buffer;
2261 int i_data = in->i_buffer;
2266 int i_payload = (__MIN( i_max, i_data )/2)*2;
2267 block_t *out = block_New( p_stream, 12 + i_payload );
2269 /* rtp common header */
2270 rtp_packetize_common( id, out, 0,
2271 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2272 memcpy( &out->p_buffer[12], p_data, i_payload );
2274 out->i_buffer = 12 + i_payload;
2275 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
2276 out->i_length = in->i_length / i_count;
2278 rtp_packetize_send( id, out );
2280 p_data += i_payload;
2281 i_data -= i_payload;
2287 static int rtp_packetize_mp4a( sout_stream_t *p_stream, sout_stream_id_t *id,
2290 int i_max = id->i_mtu - 16; /* payload max in one packet */
2291 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2293 uint8_t *p_data = in->p_buffer;
2294 int i_data = in->i_buffer;
2297 for( i = 0; i < i_count; i++ )
2299 int i_payload = __MIN( i_max, i_data );
2300 block_t *out = block_New( p_stream, 16 + i_payload );
2302 /* rtp common header */
2303 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2304 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2306 /* AU headers length (bits) */
2307 out->p_buffer[12] = 0;
2308 out->p_buffer[13] = 2*8;
2309 /* for each AU length 13 bits + idx 3bits, */
2310 out->p_buffer[14] = ( in->i_buffer >> 5 )&0xff;
2311 out->p_buffer[15] = ( (in->i_buffer&0xff)<<3 )|0;
2313 memcpy( &out->p_buffer[16], p_data, i_payload );
2315 out->i_buffer = 16 + i_payload;
2316 out->i_dts = in->i_dts + i * in->i_length / i_count;
2317 out->i_length = in->i_length / i_count;
2319 rtp_packetize_send( id, out );
2321 p_data += i_payload;
2322 i_data -= i_payload;
2330 #define RTP_H263_HEADER_SIZE (2) // plen = 0
2331 #define RTP_H263_PAYLOAD_START (14) // plen = 0
2332 static int rtp_packetize_h263( sout_stream_t *p_stream, sout_stream_id_t *id,
2335 uint8_t *p_data = in->p_buffer;
2336 int i_data = in->i_buffer;
2338 int i_max = id->i_mtu - 12 - RTP_H263_HEADER_SIZE; /* payload max in one packet */
2341 int b_v_bit = 0; // no pesky error resilience
2342 int i_plen = 0; // normally plen=0 for PSC packet
2343 int i_pebit = 0; // because plen=0
2348 return VLC_EGENERIC;
2350 if( p_data[0] || p_data[1] )
2352 return VLC_EGENERIC;
2354 /* remove 2 leading 0 bytes */
2357 i_count = ( i_data + i_max - 1 ) / i_max;
2359 for( i = 0; i < i_count; i++ )
2361 int i_payload = __MIN( i_max, i_data );
2362 block_t *out = block_New( p_stream,
2363 RTP_H263_PAYLOAD_START + i_payload );
2364 b_p_bit = (i == 0) ? 1 : 0;
2365 h = ( b_p_bit << 10 )|
2370 /* rtp common header */
2371 //b_m_bit = 1; // always contains end of frame
2372 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
2373 in->i_pts > 0 ? in->i_pts : in->i_dts );
2376 out->p_buffer[12] = ( h >> 8 )&0xff;
2377 out->p_buffer[13] = ( h )&0xff;
2378 memcpy( &out->p_buffer[RTP_H263_PAYLOAD_START], p_data, i_payload );
2380 out->i_buffer = RTP_H263_PAYLOAD_START + i_payload;
2381 out->i_dts = in->i_dts + i * in->i_length / i_count;
2382 out->i_length = in->i_length / i_count;
2384 rtp_packetize_send( id, out );
2386 p_data += i_payload;
2387 i_data -= i_payload;
2394 static int rtp_packetize_h264_nal( sout_stream_t *p_stream, sout_stream_id_t *id,
2395 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 )
2397 const int i_max = id->i_mtu - 12; /* payload max in one packet */
2404 i_nal_hdr = p_data[3];
2405 i_nal_type = i_nal_hdr&0x1f;
2406 if( i_nal_type == 7 || i_nal_type == 8 )
2408 /* XXX Why do you want to remove them ? It will break streaming with
2409 * SPS/PPS change (broadcast) ? */
2413 /* Skip start code */
2418 if( i_data <= i_max )
2420 /* Single NAL unit packet */
2421 block_t *out = block_New( p_stream, 12 + i_data );
2423 out->i_length = i_length;
2426 rtp_packetize_common( id, out, b_last, i_pts );
2427 out->i_buffer = 12 + i_data;
2429 memcpy( &out->p_buffer[12], p_data, i_data );
2431 rtp_packetize_send( id, out );
2435 /* FU-A Fragmentation Unit without interleaving */
2436 const int i_count = ( i_data-1 + i_max-2 - 1 ) / (i_max-2);
2442 for( i = 0; i < i_count; i++ )
2444 const int i_payload = __MIN( i_data, i_max-2 );
2445 block_t *out = block_New( p_stream, 12 + 2 + i_payload );
2446 out->i_dts = i_dts + i * i_length / i_count;
2447 out->i_length = i_length / i_count;
2450 rtp_packetize_common( id, out, (b_last && i_payload == i_data), i_pts );
2451 out->i_buffer = 14 + i_payload;
2454 out->p_buffer[12] = 0x00 | (i_nal_hdr & 0x60) | 28;
2456 out->p_buffer[13] = ( i == 0 ? 0x80 : 0x00 ) | ( (i == i_count-1) ? 0x40 : 0x00 ) | i_nal_type;
2457 memcpy( &out->p_buffer[14], p_data, i_payload );
2459 rtp_packetize_send( id, out );
2461 i_data -= i_payload;
2462 p_data += i_payload;
2468 static int rtp_packetize_h264( sout_stream_t *p_stream, sout_stream_id_t *id,
2471 const uint8_t *p_buffer = in->p_buffer;
2472 int i_buffer = in->i_buffer;
2474 while( i_buffer > 4 && ( p_buffer[0] != 0 || p_buffer[1] != 0 || p_buffer[2] != 1 ) )
2480 /* Split nal units */
2481 while( i_buffer > 4 )
2484 int i_size = i_buffer;
2485 int i_skip = i_buffer;
2487 /* search nal end */
2488 for( i_offset = 4; i_offset+2 < i_buffer ; i_offset++)
2490 if( p_buffer[i_offset] == 0 && p_buffer[i_offset+1] == 0 && p_buffer[i_offset+2] == 1 )
2492 /* we found another startcode */
2493 i_size = i_offset - ( p_buffer[i_offset-1] == 0 ? 1 : 0);
2498 /* TODO add STAP-A to remove a lot of overhead with small slice/sei/... */
2499 rtp_packetize_h264_nal( p_stream, id, p_buffer, i_size,
2500 (in->i_pts > 0 ? in->i_pts : in->i_dts), in->i_dts,
2501 (i_size >= i_buffer), in->i_length * i_size / in->i_buffer );
2509 static int rtp_packetize_amr( sout_stream_t *p_stream, sout_stream_id_t *id,
2512 int i_max = id->i_mtu - 14; /* payload max in one packet */
2513 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2515 uint8_t *p_data = in->p_buffer;
2516 int i_data = in->i_buffer;
2519 /* Only supports octet-aligned mode */
2520 for( i = 0; i < i_count; i++ )
2522 int i_payload = __MIN( i_max, i_data );
2523 block_t *out = block_New( p_stream, 14 + i_payload );
2525 /* rtp common header */
2526 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2527 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2528 /* Payload header */
2529 out->p_buffer[12] = 0xF0; /* CMR */
2530 out->p_buffer[13] = p_data[0]&0x7C; /* ToC */ /* FIXME: frame type */
2532 /* FIXME: are we fed multiple frames ? */
2533 memcpy( &out->p_buffer[14], p_data+1, i_payload-1 );
2535 out->i_buffer = 14 + i_payload-1;
2536 out->i_dts = in->i_dts + i * in->i_length / i_count;
2537 out->i_length = in->i_length / i_count;
2539 rtp_packetize_send( id, out );
2541 p_data += i_payload;
2542 i_data -= i_payload;