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' ? "::" : "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 );
838 if( net_AddressIsMulticast( (vlc_object_t *)p_stream, psz_destination ) )
840 /* Add the ttl if it is a multicast address */
841 /* FIXME: 1 is not a correct default value in the case of IPv6 */
842 p += sprintf( p, "/%d\r\n", p_sys->i_ttl ? p_sys->i_ttl : 1 );
846 p += sprintf( p, "\r\n" );
849 for( i = 0; i < p_sys->i_es; i++ )
851 sout_stream_id_t *id = p_sys->es[i];
853 if( id->i_cat == AUDIO_ES )
855 p += sprintf( p, "m=audio %d RTP/AVP %d\r\n",
856 id->i_port, id->i_payload_type );
858 else if( id->i_cat == VIDEO_ES )
860 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
861 id->i_port, id->i_payload_type );
869 p += sprintf( p, "a=rtpmap:%d %s\r\n", id->i_payload_type,
874 p += sprintf( p, "a=fmtp:%d %s\r\n", id->i_payload_type,
879 p += sprintf(p,"b=AS:%d\r\n",id->i_bitrate);
883 p += sprintf( p, "a=control:/trackID=%d\r\n", i );
888 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
889 p_sys->i_port, p_sys->i_payload_type );
895 /*****************************************************************************
897 *****************************************************************************/
898 static int rtp_packetize_l16 ( sout_stream_t *, sout_stream_id_t *, block_t * );
899 static int rtp_packetize_l8 ( sout_stream_t *, sout_stream_id_t *, block_t * );
900 static int rtp_packetize_mpa ( sout_stream_t *, sout_stream_id_t *, block_t * );
901 static int rtp_packetize_mpv ( sout_stream_t *, sout_stream_id_t *, block_t * );
902 static int rtp_packetize_ac3 ( sout_stream_t *, sout_stream_id_t *, block_t * );
903 static int rtp_packetize_split( sout_stream_t *, sout_stream_id_t *, block_t * );
904 static int rtp_packetize_mp4a ( sout_stream_t *, sout_stream_id_t *, block_t * );
905 static int rtp_packetize_mp4a_latm ( sout_stream_t *, sout_stream_id_t *, block_t * );
906 static int rtp_packetize_h263 ( sout_stream_t *, sout_stream_id_t *, block_t * );
907 static int rtp_packetize_h264 ( sout_stream_t *, sout_stream_id_t *, block_t * );
908 static int rtp_packetize_amr ( sout_stream_t *, sout_stream_id_t *, block_t * );
910 static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
912 static const char hex[16] = "0123456789abcdef";
915 for( i = 0; i < i_data; i++ )
917 s[2*i+0] = hex[(p_data[i]>>4)&0xf];
918 s[2*i+1] = hex[(p_data[i] )&0xf];
923 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
925 sout_instance_t *p_sout = p_stream->p_sout;
926 sout_stream_sys_t *p_sys = p_stream->p_sys;
927 sout_stream_id_t *id;
928 sout_access_out_t *p_access = NULL;
932 if( p_sys->p_mux != NULL )
934 sout_input_t *p_input = NULL;
935 if( ( p_input = sout_MuxAddStream( p_sys->p_mux, p_fmt ) ) == NULL )
937 msg_Err( p_stream, "cannot add this stream to the muxer" );
941 id = malloc( sizeof( sout_stream_id_t ) );
942 memset( id, 0, sizeof( sout_stream_id_t ) );
944 id->p_input = p_input;
945 id->pf_packetize= NULL;
946 id->p_rtsp_url = NULL;
952 /* Choose the port */
954 if( p_fmt->i_cat == AUDIO_ES && p_sys->i_port_audio > 0 )
956 i_port = p_sys->i_port_audio;
957 p_sys->i_port_audio = 0;
959 else if( p_fmt->i_cat == VIDEO_ES && p_sys->i_port_video > 0 )
961 i_port = p_sys->i_port_video;
962 p_sys->i_port_video = 0;
966 if( p_sys->i_port != p_sys->i_port_audio && p_sys->i_port != p_sys->i_port_video )
968 i_port = p_sys->i_port;
975 if( p_sys->psz_destination )
978 char url[NI_MAXHOST + 8];
980 /* first try to create the access out */
983 snprintf( access, sizeof( access ), "udp{raw,ttl=%d}",
985 access[sizeof( access ) - 1] = '\0';
988 strcpy( access, "udp{raw}" );
990 snprintf( url, sizeof( url ), (( p_sys->psz_destination[0] != '[' ) &&
991 strchr( p_sys->psz_destination, ':' )) ? "[%s]:%d" : "%s:%d",
992 p_sys->psz_destination, i_port );
993 url[sizeof( url ) - 1] = '\0';
995 if( ( p_access = sout_AccessOutNew( p_sout, access, url ) ) == NULL )
997 msg_Err( p_stream, "cannot create the access out for %s://%s",
1001 msg_Dbg( p_stream, "access out %s:%s", access, url );
1004 /* not create the rtp specific stuff */
1005 id = malloc( sizeof( sout_stream_id_t ) );
1006 memset( id, 0, sizeof( sout_stream_id_t ) );
1007 id->p_stream = p_stream;
1008 id->p_access = p_access;
1010 id->psz_rtpmap = NULL;
1011 id->psz_fmtp = NULL;
1012 id->psz_destination = p_sys->psz_destination ? strdup( p_sys->psz_destination ) : NULL;
1013 id->i_port = i_port;
1014 id->p_rtsp_url = NULL;
1015 vlc_mutex_init( p_stream, &id->lock_rtsp );
1016 id->i_rtsp_access = 0;
1017 id->rtsp_access = NULL;
1019 switch( p_fmt->i_codec )
1021 case VLC_FOURCC( 's', '1', '6', 'b' ):
1022 if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
1024 id->i_payload_type = 11;
1026 else if( p_fmt->audio.i_channels == 2 &&
1027 p_fmt->audio.i_rate == 44100 )
1029 id->i_payload_type = 10;
1033 id->i_payload_type = p_sys->i_payload_type++;
1035 id->psz_rtpmap = malloc( strlen( "L16/*/*" ) + 20+1 );
1036 sprintf( id->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
1037 p_fmt->audio.i_channels );
1038 id->i_clock_rate = p_fmt->audio.i_rate;
1039 id->pf_packetize = rtp_packetize_l16;
1041 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
1042 id->i_payload_type = p_sys->i_payload_type++;
1043 id->psz_rtpmap = malloc( strlen( "L8/*/*" ) + 20+1 );
1044 sprintf( id->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
1045 p_fmt->audio.i_channels );
1046 id->i_clock_rate = p_fmt->audio.i_rate;
1047 id->pf_packetize = rtp_packetize_l8;
1049 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
1050 id->i_payload_type = 14;
1051 id->i_clock_rate = 90000;
1052 id->psz_rtpmap = strdup( "MPA/90000" );
1053 id->pf_packetize = rtp_packetize_mpa;
1055 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
1056 id->i_payload_type = 32;
1057 id->i_clock_rate = 90000;
1058 id->psz_rtpmap = strdup( "MPV/90000" );
1059 id->pf_packetize = rtp_packetize_mpv;
1061 case VLC_FOURCC( 'a', '5', '2', ' ' ):
1062 id->i_payload_type = p_sys->i_payload_type++;
1063 id->i_clock_rate = 90000;
1064 id->psz_rtpmap = strdup( "ac3/90000" );
1065 id->pf_packetize = rtp_packetize_ac3;
1067 case VLC_FOURCC( 'H', '2', '6', '3' ):
1068 id->i_payload_type = p_sys->i_payload_type++;
1069 id->i_clock_rate = 90000;
1070 id->psz_rtpmap = strdup( "H263-1998/90000" );
1071 id->pf_packetize = rtp_packetize_h263;
1073 case VLC_FOURCC( 'h', '2', '6', '4' ):
1074 id->i_payload_type = p_sys->i_payload_type++;
1075 id->i_clock_rate = 90000;
1076 id->psz_rtpmap = strdup( "H264/90000" );
1077 id->pf_packetize = rtp_packetize_h264;
1078 id->psz_fmtp = NULL;
1080 if( p_fmt->i_extra > 0 )
1082 uint8_t *p_buffer = p_fmt->p_extra;
1083 int i_buffer = p_fmt->i_extra;
1084 char *p_64_sps = NULL;
1085 char *p_64_pps = NULL;
1088 while( i_buffer > 4 &&
1089 p_buffer[0] == 0 && p_buffer[1] == 0 &&
1090 p_buffer[2] == 0 && p_buffer[3] == 1 )
1092 const int i_nal_type = p_buffer[4]&0x1f;
1096 msg_Dbg( p_stream, "we found a startcode for NAL with TYPE:%d", i_nal_type );
1099 for( i_offset = 4; i_offset+3 < i_buffer ; i_offset++)
1101 if( p_buffer[i_offset] == 0 && p_buffer[i_offset+1] == 0 && p_buffer[i_offset+2] == 0 && p_buffer[i_offset+3] == 1 )
1103 /* we found another startcode */
1108 if( i_nal_type == 7 )
1110 p_64_sps = vlc_b64_encode_binary( &p_buffer[4], i_size - 4 );
1111 sprintf_hexa( hexa, &p_buffer[5], 3 );
1113 else if( i_nal_type == 8 )
1115 p_64_pps = vlc_b64_encode_binary( &p_buffer[4], i_size - 4 );
1121 if( p_64_sps && p_64_pps )
1122 asprintf( &id->psz_fmtp, "packetization-mode=1;profile-level-id=%s;sprop-parameter-sets=%s,%s;", hexa, p_64_sps, p_64_pps );
1129 id->psz_fmtp = strdup( "packetization-mode=1" );
1132 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
1134 char hexa[2*p_fmt->i_extra +1];
1136 id->i_payload_type = p_sys->i_payload_type++;
1137 id->i_clock_rate = 90000;
1138 id->psz_rtpmap = strdup( "MP4V-ES/90000" );
1139 id->pf_packetize = rtp_packetize_split;
1140 if( p_fmt->i_extra > 0 )
1142 id->psz_fmtp = malloc( 100 + 2 * p_fmt->i_extra );
1143 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
1144 sprintf( id->psz_fmtp,
1145 "profile-level-id=3; config=%s;", hexa );
1149 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
1151 id->i_payload_type = p_sys->i_payload_type++;
1152 id->i_clock_rate = p_fmt->audio.i_rate;
1156 char hexa[2*p_fmt->i_extra +1];
1158 id->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
1159 sprintf( id->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
1160 id->pf_packetize = rtp_packetize_mp4a;
1161 id->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
1162 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
1163 sprintf( id->psz_fmtp,
1164 "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
1165 "config=%s; SizeLength=13;IndexLength=3; "
1166 "IndexDeltaLength=3; Profile=1;", hexa );
1172 unsigned char config[6];
1173 unsigned int aacsrates[15] = {
1174 96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
1175 16000, 12000, 11025, 8000, 7350, 0, 0 };
1177 for( i = 0; i < 15; i++ )
1178 if( p_fmt->audio.i_rate == aacsrates[i] )
1184 config[3]=p_fmt->audio.i_channels<<4;
1188 asprintf( &id->psz_rtpmap, "MP4A-LATM/%d/%d",
1189 p_fmt->audio.i_rate, p_fmt->audio.i_channels );
1190 id->pf_packetize = rtp_packetize_mp4a_latm;
1191 sprintf_hexa( hexa, config, 6 );
1192 asprintf( &id->psz_fmtp, "profile-level-id=15; "
1193 "object=2; cpresent=0; config=%s", hexa );
1197 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
1198 id->i_payload_type = p_sys->i_payload_type++;
1199 id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
1200 "AMR/8000/2" : "AMR/8000" );
1201 id->psz_fmtp = strdup( "octet-align=1" );
1202 id->i_clock_rate = p_fmt->audio.i_rate;
1203 id->pf_packetize = rtp_packetize_amr;
1205 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
1206 id->i_payload_type = p_sys->i_payload_type++;
1207 id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
1208 "AMR-WB/16000/2" : "AMR-WB/16000" );
1209 id->psz_fmtp = strdup( "octet-align=1" );
1210 id->i_clock_rate = p_fmt->audio.i_rate;
1211 id->pf_packetize = rtp_packetize_amr;
1215 msg_Err( p_stream, "cannot add this stream (unsupported "
1216 "codec:%4.4s)", (char*)&p_fmt->i_codec );
1219 sout_AccessOutDelete( p_access );
1224 id->i_cat = p_fmt->i_cat;
1226 id->ssrc[0] = rand()&0xff;
1227 id->ssrc[1] = rand()&0xff;
1228 id->ssrc[2] = rand()&0xff;
1229 id->ssrc[3] = rand()&0xff;
1230 id->i_sequence = rand()&0xffff;
1231 id->i_timestamp_start = rand()&0xffffffff;
1232 id->i_bitrate = p_fmt->i_bitrate/1000; /* Stream bitrate in kbps */
1234 id->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beuk */
1235 if( id->i_mtu <= 16 + MTU_REDUCE )
1237 /* better than nothing */
1240 id->i_mtu -= MTU_REDUCE;
1241 msg_Dbg( p_stream, "maximum RTP packet size: %d bytes", id->i_mtu );
1243 if( p_sys->p_rtsp_url )
1245 char psz_urlc[strlen( p_sys->psz_rtsp_control ) + 1 + 10];
1247 sprintf( psz_urlc, "%s/trackID=%d", p_sys->psz_rtsp_path, p_sys->i_es );
1248 msg_Dbg( p_stream, "rtsp: adding %s\n", psz_urlc );
1249 id->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, psz_urlc, NULL, NULL, NULL );
1251 if( id->p_rtsp_url )
1253 httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_SETUP, RtspCallbackId, (void*)id );
1254 //httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
1255 //httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
1260 /* Update p_sys context */
1261 vlc_mutex_lock( &p_sys->lock_es );
1262 TAB_APPEND( p_sys->i_es, p_sys->es, id );
1263 vlc_mutex_unlock( &p_sys->lock_es );
1265 psz_sdp = SDPGenerate( p_stream, p_sys->psz_destination, VLC_FALSE );
1267 vlc_mutex_lock( &p_sys->lock_sdp );
1268 free( p_sys->psz_sdp );
1269 p_sys->psz_sdp = psz_sdp;
1270 vlc_mutex_unlock( &p_sys->lock_sdp );
1272 p_sys->i_sdp_version++;
1274 msg_Dbg( p_stream, "sdp=%s", p_sys->psz_sdp );
1276 /* Update SDP (sap/file) */
1277 if( p_sys->b_export_sap ) SapSetup( p_stream );
1278 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
1283 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
1285 sout_stream_sys_t *p_sys = p_stream->p_sys;
1287 vlc_mutex_lock( &p_sys->lock_es );
1288 TAB_REMOVE( p_sys->i_es, p_sys->es, id );
1289 vlc_mutex_unlock( &p_sys->lock_es );
1292 if( id->i_port > 0 )
1294 if( id->i_cat == AUDIO_ES && p_sys->i_port_audio == 0 )
1295 p_sys->i_port_audio = id->i_port;
1296 else if( id->i_cat == VIDEO_ES && p_sys->i_port_video == 0 )
1297 p_sys->i_port_video = id->i_port;
1302 if( id->psz_rtpmap )
1304 free( id->psz_rtpmap );
1308 free( id->psz_fmtp );
1310 if( id->psz_destination )
1311 free( id->psz_destination );
1312 sout_AccessOutDelete( id->p_access );
1314 else if( id->p_input )
1316 sout_MuxDeleteStream( p_sys->p_mux, id->p_input );
1318 if( id->p_rtsp_url )
1320 httpd_UrlDelete( id->p_rtsp_url );
1322 vlc_mutex_destroy( &id->lock_rtsp );
1323 if( id->rtsp_access ) free( id->rtsp_access );
1325 /* Update SDP (sap/file) */
1326 if( p_sys->b_export_sap && !p_sys->p_mux ) SapSetup( p_stream );
1327 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
1333 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
1338 if( p_stream->p_sys->p_mux )
1340 sout_MuxSendBuffer( p_stream->p_sys->p_mux, id->p_input, p_buffer );
1346 p_next = p_buffer->p_next;
1347 if( id->pf_packetize( p_stream, id, p_buffer ) )
1351 block_Release( p_buffer );
1359 static int AccessOutGrabberWriteBuffer( sout_stream_t *p_stream,
1362 sout_stream_sys_t *p_sys = p_stream->p_sys;
1364 int64_t i_dts = p_buffer->i_dts;
1365 uint32_t i_timestamp = i_dts * 9 / 100;
1367 uint8_t *p_data = p_buffer->p_buffer;
1368 unsigned int i_data = p_buffer->i_buffer;
1369 unsigned int i_max = p_sys->i_mtu - 12;
1371 unsigned i_packet = ( p_buffer->i_buffer + i_max - 1 ) / i_max;
1375 unsigned int i_size;
1377 /* output complete packet */
1378 if( p_sys->packet &&
1379 p_sys->packet->i_buffer + i_data > i_max )
1381 sout_AccessOutWrite( p_sys->p_access, p_sys->packet );
1382 p_sys->packet = NULL;
1385 if( p_sys->packet == NULL )
1387 /* allocate a new packet */
1388 p_sys->packet = block_New( p_stream, p_sys->i_mtu );
1389 p_sys->packet->p_buffer[ 0] = 0x80;
1390 p_sys->packet->p_buffer[ 1] = 0x80|p_sys->i_payload_type;
1391 p_sys->packet->p_buffer[ 2] = ( p_sys->i_sequence >> 8)&0xff;
1392 p_sys->packet->p_buffer[ 3] = ( p_sys->i_sequence )&0xff;
1393 p_sys->packet->p_buffer[ 4] = ( i_timestamp >> 24 )&0xff;
1394 p_sys->packet->p_buffer[ 5] = ( i_timestamp >> 16 )&0xff;
1395 p_sys->packet->p_buffer[ 6] = ( i_timestamp >> 8 )&0xff;
1396 p_sys->packet->p_buffer[ 7] = ( i_timestamp )&0xff;
1397 p_sys->packet->p_buffer[ 8] = p_sys->ssrc[0];
1398 p_sys->packet->p_buffer[ 9] = p_sys->ssrc[1];
1399 p_sys->packet->p_buffer[10] = p_sys->ssrc[2];
1400 p_sys->packet->p_buffer[11] = p_sys->ssrc[3];
1401 p_sys->packet->i_buffer = 12;
1403 p_sys->packet->i_dts = i_dts;
1404 p_sys->packet->i_length = p_buffer->i_length / i_packet;
1405 i_dts += p_sys->packet->i_length;
1407 p_sys->i_sequence++;
1410 i_size = __MIN( i_data,
1411 (unsigned)(p_sys->i_mtu - p_sys->packet->i_buffer) );
1413 memcpy( &p_sys->packet->p_buffer[p_sys->packet->i_buffer],
1416 p_sys->packet->i_buffer += i_size;
1424 static int AccessOutGrabberWrite( sout_access_out_t *p_access,
1427 sout_stream_t *p_stream = (sout_stream_t*)p_access->p_sys;
1429 //fprintf( stderr, "received buffer size=%d\n", p_buffer->i_buffer );
1435 AccessOutGrabberWriteBuffer( p_stream, p_buffer );
1437 p_next = p_buffer->p_next;
1438 block_Release( p_buffer );
1445 /****************************************************************************
1447 ****************************************************************************/
1448 static int SapSetup( sout_stream_t *p_stream )
1450 sout_stream_sys_t *p_sys = p_stream->p_sys;
1451 sout_instance_t *p_sout = p_stream->p_sout;
1452 announce_method_t *p_method = sout_SAPMethod();
1454 /* Remove the previous session */
1455 if( p_sys->p_session != NULL)
1457 sout_AnnounceUnRegister( p_sout, p_sys->p_session);
1458 sout_AnnounceSessionDestroy( p_sys->p_session );
1459 p_sys->p_session = NULL;
1462 if( ( p_sys->i_es > 0 || p_sys->p_mux ) && p_sys->psz_sdp && *p_sys->psz_sdp )
1464 p_sys->p_session = sout_AnnounceRegisterSDP( p_sout, SOUT_CFG_PREFIX,
1466 p_sys->psz_destination,
1470 sout_MethodRelease( p_method );
1474 /****************************************************************************
1476 ****************************************************************************/
1477 static int FileSetup( sout_stream_t *p_stream )
1479 sout_stream_sys_t *p_sys = p_stream->p_sys;
1482 if( ( f = utf8_fopen( p_sys->psz_sdp_file, "wt" ) ) == NULL )
1484 msg_Err( p_stream, "cannot open file '%s' (%s)",
1485 p_sys->psz_sdp_file, strerror(errno) );
1486 return VLC_EGENERIC;
1489 fprintf( f, "%s", p_sys->psz_sdp );
1495 /****************************************************************************
1497 ****************************************************************************/
1498 static int HttpCallback( httpd_file_sys_t *p_args,
1499 httpd_file_t *, uint8_t *p_request,
1500 uint8_t **pp_data, int *pi_data );
1502 static int HttpSetup( sout_stream_t *p_stream, vlc_url_t *url)
1504 sout_stream_sys_t *p_sys = p_stream->p_sys;
1506 p_sys->p_httpd_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 80 );
1507 if( p_sys->p_httpd_host )
1509 p_sys->p_httpd_file = httpd_FileNew( p_sys->p_httpd_host,
1510 url->psz_path ? url->psz_path : "/",
1513 HttpCallback, (void*)p_sys );
1515 if( p_sys->p_httpd_file == NULL )
1517 return VLC_EGENERIC;
1522 static int HttpCallback( httpd_file_sys_t *p_args,
1523 httpd_file_t *f, uint8_t *p_request,
1524 uint8_t **pp_data, int *pi_data )
1526 sout_stream_sys_t *p_sys = (sout_stream_sys_t*)p_args;
1528 vlc_mutex_lock( &p_sys->lock_sdp );
1529 if( p_sys->psz_sdp && *p_sys->psz_sdp )
1531 *pi_data = strlen( p_sys->psz_sdp );
1532 *pp_data = malloc( *pi_data );
1533 memcpy( *pp_data, p_sys->psz_sdp, *pi_data );
1540 vlc_mutex_unlock( &p_sys->lock_sdp );
1545 /****************************************************************************
1547 ****************************************************************************/
1548 static rtsp_client_t *RtspClientNew( sout_stream_t *p_stream, const char *psz_session )
1550 rtsp_client_t *rtsp = malloc( sizeof( rtsp_client_t ));
1552 rtsp->psz_session = strdup( psz_session );
1554 rtsp->b_playing = VLC_FALSE;
1558 rtsp->access = NULL;
1560 TAB_APPEND( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
1564 static rtsp_client_t *RtspClientGet( sout_stream_t *p_stream, const char *psz_session )
1568 if( !psz_session ) return NULL;
1570 for( i = 0; i < p_stream->p_sys->i_rtsp; i++ )
1572 if( !strcmp( p_stream->p_sys->rtsp[i]->psz_session, psz_session ) )
1574 return p_stream->p_sys->rtsp[i];
1580 static void RtspClientDel( sout_stream_t *p_stream, rtsp_client_t *rtsp )
1583 TAB_REMOVE( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
1585 for( i = 0; i < rtsp->i_access; i++ )
1587 sout_AccessOutDelete( rtsp->access[i] );
1589 if( rtsp->id ) free( rtsp->id );
1590 if( rtsp->access ) free( rtsp->access );
1592 free( rtsp->psz_session );
1596 static int RtspSetup( sout_stream_t *p_stream, vlc_url_t *url )
1598 sout_stream_sys_t *p_sys = p_stream->p_sys;
1600 msg_Dbg( p_stream, "rtsp setup: %s : %d / %s\n", url->psz_host, url->i_port, url->psz_path );
1602 p_sys->p_rtsp_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 554 );
1603 if( p_sys->p_rtsp_host == NULL )
1605 return VLC_EGENERIC;
1608 p_sys->psz_rtsp_path = strdup( url->psz_path ? url->psz_path : "/" );
1609 p_sys->psz_rtsp_control = malloc (strlen( url->psz_host ) + 20 + strlen( p_sys->psz_rtsp_path ) + 1 );
1610 sprintf( p_sys->psz_rtsp_control, "rtsp://%s:%d%s",
1611 url->psz_host, url->i_port > 0 ? url->i_port : 554, p_sys->psz_rtsp_path );
1613 p_sys->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, p_sys->psz_rtsp_path, NULL, NULL, NULL );
1614 if( p_sys->p_rtsp_url == 0 )
1616 return VLC_EGENERIC;
1618 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_DESCRIBE, RtspCallback, (void*)p_stream );
1619 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
1620 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
1621 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_TEARDOWN, RtspCallback, (void*)p_stream );
1626 static int RtspCallback( httpd_callback_sys_t *p_args,
1628 httpd_message_t *answer, httpd_message_t *query )
1630 sout_stream_t *p_stream = (sout_stream_t*)p_args;
1631 sout_stream_sys_t *p_sys = p_stream->p_sys;
1632 char *psz_destination = p_sys->psz_destination;
1633 const char *psz_session = NULL;
1634 const char *psz_cseq = NULL;
1637 if( answer == NULL || query == NULL )
1641 //fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
1643 answer->i_proto = HTTPD_PROTO_RTSP;
1644 answer->i_version= query->i_version;
1645 answer->i_type = HTTPD_MSG_ANSWER;
1647 switch( query->i_type )
1649 case HTTPD_MSG_DESCRIBE:
1651 char *psz_sdp = SDPGenerate( p_stream, psz_destination ? psz_destination : "0.0.0.0", VLC_TRUE );
1653 answer->i_status = 200;
1654 answer->psz_status = strdup( "OK" );
1655 httpd_MsgAdd( answer, "Content-type", "%s", "application/sdp" );
1656 httpd_MsgAdd( answer, "Content-Base", "%s", p_sys->psz_rtsp_control );
1657 answer->p_body = (uint8_t *)psz_sdp;
1658 answer->i_body = strlen( psz_sdp );
1662 case HTTPD_MSG_PLAY:
1664 rtsp_client_t *rtsp;
1665 /* for now only multicast so easy */
1666 answer->i_status = 200;
1667 answer->psz_status = strdup( "OK" );
1669 answer->p_body = NULL;
1671 psz_session = httpd_MsgGet( query, "Session" );
1672 rtsp = RtspClientGet( p_stream, psz_session );
1673 if( rtsp && !rtsp->b_playing )
1677 rtsp->b_playing = VLC_TRUE;
1679 vlc_mutex_lock( &p_sys->lock_es );
1680 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
1682 sout_stream_id_t *id = rtsp->id[i_id];
1685 for( i = 0; i < p_sys->i_es; i++ )
1687 if( id == p_sys->es[i] )
1690 if( i >= p_sys->i_es ) continue;
1692 vlc_mutex_lock( &id->lock_rtsp );
1693 TAB_APPEND( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
1694 vlc_mutex_unlock( &id->lock_rtsp );
1696 vlc_mutex_unlock( &p_sys->lock_es );
1700 case HTTPD_MSG_PAUSE:
1702 return VLC_EGENERIC;
1703 case HTTPD_MSG_TEARDOWN:
1705 rtsp_client_t *rtsp;
1707 /* for now only multicast so easy again */
1708 answer->i_status = 200;
1709 answer->psz_status = strdup( "OK" );
1711 answer->p_body = NULL;
1713 psz_session = httpd_MsgGet( query, "Session" );
1714 rtsp = RtspClientGet( p_stream, psz_session );
1719 vlc_mutex_lock( &p_sys->lock_es );
1720 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
1722 sout_stream_id_t *id = rtsp->id[i_id];
1725 for( i = 0; i < p_sys->i_es; i++ )
1727 if( id == p_sys->es[i] )
1730 if( i >= p_sys->i_es ) continue;
1732 vlc_mutex_lock( &id->lock_rtsp );
1733 TAB_REMOVE( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
1734 vlc_mutex_unlock( &id->lock_rtsp );
1736 vlc_mutex_unlock( &p_sys->lock_es );
1738 RtspClientDel( p_stream, rtsp );
1744 return VLC_EGENERIC;
1746 httpd_MsgAdd( answer, "Server", PACKAGE_STRING );
1747 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1748 psz_cseq = httpd_MsgGet( query, "Cseq" );
1750 i_cseq = atoi( psz_cseq );
1753 httpd_MsgAdd( answer, "Cseq", "%d", i_cseq );
1754 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1757 httpd_MsgAdd( answer, "Session", "%s;timeout=5", psz_session );
1761 static int RtspCallbackId( httpd_callback_sys_t *p_args,
1763 httpd_message_t *answer, httpd_message_t *query )
1765 sout_stream_id_t *id = (sout_stream_id_t*)p_args;
1766 sout_stream_t *p_stream = id->p_stream;
1767 sout_stream_sys_t *p_sys = p_stream->p_sys;
1768 char psz_session_init[100];
1769 const char *psz_session = NULL;
1770 const char *psz_cseq = NULL;
1774 if( answer == NULL || query == NULL )
1776 //fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
1779 snprintf( psz_session_init, sizeof(psz_session_init), "%d", rand() );
1782 answer->i_proto = HTTPD_PROTO_RTSP;
1783 answer->i_version= query->i_version;
1784 answer->i_type = HTTPD_MSG_ANSWER;
1786 switch( query->i_type )
1788 case HTTPD_MSG_SETUP:
1790 const char *psz_transport = httpd_MsgGet( query, "Transport" );
1792 //fprintf( stderr, "HTTPD_MSG_SETUP: transport=%s\n", psz_transport );
1794 if( strstr( psz_transport, "multicast" ) && id->psz_destination )
1796 //fprintf( stderr, "HTTPD_MSG_SETUP: multicast\n" );
1797 answer->i_status = 200;
1798 answer->psz_status = strdup( "OK" );
1800 answer->p_body = NULL;
1802 psz_session = httpd_MsgGet( query, "Session" );
1804 psz_session = psz_session_init;
1806 httpd_MsgAdd( answer, "Transport",
1807 "RTP/AVP/UDP;destination=%s;port=%d-%d;ttl=%d",
1808 id->psz_destination, id->i_port,id->i_port+1,
1809 p_sys->i_ttl > 0 ? p_sys->i_ttl : 1);
1811 else if( strstr( psz_transport, "unicast" ) && strstr( psz_transport, "client_port=" ) )
1813 int i_port = atoi( strstr( psz_transport, "client_port=" ) + strlen("client_port=") );
1814 char ip[NI_MAXNUMERICHOST], psz_access[17], psz_url[NI_MAXNUMERICHOST + 8];
1816 sout_access_out_t *p_access;
1818 rtsp_client_t *rtsp = NULL;
1820 if( httpd_ClientIP( cl, ip ) == NULL )
1822 answer->i_status = 500;
1823 answer->psz_status = strdup( "Internal server error" );
1825 answer->p_body = NULL;
1829 //fprintf( stderr, "HTTPD_MSG_SETUP: unicast ip=%s port=%d\n", ip, i_port );
1831 psz_session = httpd_MsgGet( query, "Session" );
1834 psz_session = psz_session_init;
1835 rtsp = RtspClientNew( p_stream, psz_session_init );
1839 rtsp = RtspClientGet( p_stream, psz_session );
1842 answer->i_status = 454;
1843 answer->psz_status = strdup( "Unknown session id" );
1845 answer->p_body = NULL;
1850 /* first try to create the access out */
1852 snprintf( psz_access, sizeof( psz_access ),
1853 "udp{raw,ttl=%d}", p_sys->i_ttl );
1855 strlcpy( psz_access, "udp{raw}", sizeof( psz_access ) );
1857 snprintf( psz_url, sizeof( psz_url ),
1858 ( strchr( ip, ':' ) != NULL ) ? "[%s]:%d" : "%s:%d",
1861 if( ( p_access = sout_AccessOutNew( p_stream->p_sout, psz_access, psz_url ) ) == NULL )
1863 msg_Err( p_stream, "cannot create the access out for %s://%s",
1864 psz_access, psz_url );
1865 answer->i_status = 500;
1866 answer->psz_status = strdup( "Internal server error" );
1868 answer->p_body = NULL;
1872 TAB_APPEND( rtsp->i_id, rtsp->id, id );
1873 TAB_APPEND( rtsp->i_access, rtsp->access, p_access );
1875 answer->i_status = 200;
1876 answer->psz_status = strdup( "OK" );
1878 answer->p_body = NULL;
1880 httpd_MsgAdd( answer, "Transport",
1881 "RTP/AVP/UDP;client_port=%d-%d", i_port, i_port + 1 );
1883 else /* TODO strstr( psz_transport, "interleaved" ) ) */
1885 answer->i_status = 461;
1886 answer->psz_status = strdup( "Unsupported Transport" );
1888 answer->p_body = NULL;
1894 return VLC_EGENERIC;
1896 httpd_MsgAdd( answer, "Server", "VLC Server" );
1897 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1898 psz_cseq = httpd_MsgGet( query, "Cseq" );
1900 i_cseq = atoi( psz_cseq );
1903 httpd_MsgAdd( answer, "Cseq", "%d", i_cseq );
1904 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1907 httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
1911 /****************************************************************************
1913 ****************************************************************************/
1914 static void rtp_packetize_common( sout_stream_id_t *id, block_t *out,
1915 int b_marker, int64_t i_pts )
1917 uint32_t i_timestamp = i_pts * (int64_t)id->i_clock_rate / I64C(1000000);
1919 out->p_buffer[0] = 0x80;
1920 out->p_buffer[1] = (b_marker?0x80:0x00)|id->i_payload_type;
1921 out->p_buffer[2] = ( id->i_sequence >> 8)&0xff;
1922 out->p_buffer[3] = ( id->i_sequence )&0xff;
1923 out->p_buffer[4] = ( i_timestamp >> 24 )&0xff;
1924 out->p_buffer[5] = ( i_timestamp >> 16 )&0xff;
1925 out->p_buffer[6] = ( i_timestamp >> 8 )&0xff;
1926 out->p_buffer[7] = ( i_timestamp )&0xff;
1928 out->p_buffer[ 8] = id->ssrc[0];
1929 out->p_buffer[ 9] = id->ssrc[1];
1930 out->p_buffer[10] = id->ssrc[2];
1931 out->p_buffer[11] = id->ssrc[3];
1937 static void rtp_packetize_send( sout_stream_id_t *id, block_t *out )
1940 vlc_mutex_lock( &id->lock_rtsp );
1941 for( i = 0; i < id->i_rtsp_access; i++ )
1943 sout_AccessOutWrite( id->rtsp_access[i], block_Duplicate( out ) );
1945 vlc_mutex_unlock( &id->lock_rtsp );
1949 sout_AccessOutWrite( id->p_access, out );
1953 block_Release( out );
1957 static int rtp_packetize_mpa( sout_stream_t *p_stream, sout_stream_id_t *id,
1960 int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
1961 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1963 uint8_t *p_data = in->p_buffer;
1964 int i_data = in->i_buffer;
1967 for( i = 0; i < i_count; i++ )
1969 int i_payload = __MIN( i_max, i_data );
1970 block_t *out = block_New( p_stream, 16 + i_payload );
1972 /* rtp common header */
1973 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
1975 out->p_buffer[12] = 0;
1976 out->p_buffer[13] = 0;
1977 /* fragment offset in the current frame */
1978 out->p_buffer[14] = ( (i*i_max) >> 8 )&0xff;
1979 out->p_buffer[15] = ( (i*i_max) )&0xff;
1980 memcpy( &out->p_buffer[16], p_data, i_payload );
1982 out->i_buffer = 16 + i_payload;
1983 out->i_dts = in->i_dts + i * in->i_length / i_count;
1984 out->i_length = in->i_length / i_count;
1986 rtp_packetize_send( id, out );
1988 p_data += i_payload;
1989 i_data -= i_payload;
1996 static int rtp_packetize_mpv( sout_stream_t *p_stream, sout_stream_id_t *id,
1999 int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
2000 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2002 uint8_t *p_data = in->p_buffer;
2003 int i_data = in->i_buffer;
2005 int b_sequence_start = 0;
2006 int i_temporal_ref = 0;
2007 int i_picture_coding_type = 0;
2008 int i_fbv = 0, i_bfc = 0, i_ffv = 0, i_ffc = 0;
2009 int b_start_slice = 0;
2011 /* preparse this packet to get some info */
2012 if( in->i_buffer > 4 )
2014 uint8_t *p = p_data;
2015 int i_rest = in->i_buffer;
2019 while( i_rest > 4 &&
2020 ( p[0] != 0x00 || p[1] != 0x00 || p[2] != 0x01 ) )
2034 /* sequence start code */
2035 b_sequence_start = 1;
2037 else if( *p == 0x00 && i_rest >= 4 )
2040 i_temporal_ref = ( p[1] << 2) |((p[2]>>6)&0x03);
2041 i_picture_coding_type = (p[2] >> 3)&0x07;
2043 if( i_rest >= 4 && ( i_picture_coding_type == 2 ||
2044 i_picture_coding_type == 3 ) )
2046 i_ffv = (p[3] >> 2)&0x01;
2047 i_ffc = ((p[3]&0x03) << 1)|((p[4]>>7)&0x01);
2048 if( i_rest > 4 && i_picture_coding_type == 3 )
2050 i_fbv = (p[4]>>6)&0x01;
2051 i_bfc = (p[4]>>3)&0x07;
2055 else if( *p <= 0xaf )
2062 for( i = 0; i < i_count; i++ )
2064 int i_payload = __MIN( i_max, i_data );
2065 block_t *out = block_New( p_stream,
2067 uint32_t h = ( i_temporal_ref << 16 )|
2068 ( b_sequence_start << 13 )|
2069 ( b_start_slice << 12 )|
2070 ( i == i_count - 1 ? 1 << 11 : 0 )|
2071 ( i_picture_coding_type << 8 )|
2072 ( i_fbv << 7 )|( i_bfc << 4 )|( i_ffv << 3 )|i_ffc;
2074 /* rtp common header */
2075 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
2076 in->i_pts > 0 ? in->i_pts : in->i_dts );
2078 /* 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 */
2079 out->p_buffer[12] = ( h >> 24 )&0xff;
2080 out->p_buffer[13] = ( h >> 16 )&0xff;
2081 out->p_buffer[14] = ( h >> 8 )&0xff;
2082 out->p_buffer[15] = ( h )&0xff;
2084 memcpy( &out->p_buffer[16], p_data, i_payload );
2086 out->i_buffer = 16 + i_payload;
2087 out->i_dts = in->i_dts + i * in->i_length / i_count;
2088 out->i_length = in->i_length / i_count;
2090 rtp_packetize_send( id, out );
2092 p_data += i_payload;
2093 i_data -= i_payload;
2099 static int rtp_packetize_ac3( sout_stream_t *p_stream, sout_stream_id_t *id,
2102 int i_max = id->i_mtu - 12 - 2; /* payload max in one packet */
2103 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2105 uint8_t *p_data = in->p_buffer;
2106 int i_data = in->i_buffer;
2109 for( i = 0; i < i_count; i++ )
2111 int i_payload = __MIN( i_max, i_data );
2112 block_t *out = block_New( p_stream, 14 + i_payload );
2114 /* rtp common header */
2115 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
2117 out->p_buffer[12] = 1;
2119 out->p_buffer[13] = 0x00;
2121 memcpy( &out->p_buffer[14], p_data, i_payload );
2123 out->i_buffer = 14 + i_payload;
2124 out->i_dts = in->i_dts + i * in->i_length / i_count;
2125 out->i_length = in->i_length / i_count;
2127 rtp_packetize_send( id, out );
2129 p_data += i_payload;
2130 i_data -= i_payload;
2136 static int rtp_packetize_split( sout_stream_t *p_stream, sout_stream_id_t *id,
2139 int i_max = id->i_mtu - 12; /* payload max in one packet */
2140 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2142 uint8_t *p_data = in->p_buffer;
2143 int i_data = in->i_buffer;
2146 for( i = 0; i < i_count; i++ )
2148 int i_payload = __MIN( i_max, i_data );
2149 block_t *out = block_New( p_stream, 12 + i_payload );
2151 /* rtp common header */
2152 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2153 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2154 memcpy( &out->p_buffer[12], p_data, i_payload );
2156 out->i_buffer = 12 + i_payload;
2157 out->i_dts = in->i_dts + i * in->i_length / i_count;
2158 out->i_length = in->i_length / i_count;
2160 rtp_packetize_send( id, out );
2162 p_data += i_payload;
2163 i_data -= i_payload;
2170 static int rtp_packetize_mp4a_latm( sout_stream_t *p_stream, sout_stream_id_t *id,
2173 int i_max = id->i_mtu - 14; /* payload max in one packet */
2174 int latmhdrsize = in->i_buffer / 0xff + 1;
2175 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2177 uint8_t *p_data = in->p_buffer, *p_header = NULL;
2178 int i_data = in->i_buffer;
2181 for( i = 0; i < i_count; i++ )
2183 int i_payload = __MIN( i_max, i_data );
2188 out = block_New( p_stream, 12 + latmhdrsize + i_payload );
2190 /* rtp common header */
2191 rtp_packetize_common( id, out, ((i == i_count - 1) ? 1 : 0),
2192 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2196 int tmp = in->i_buffer;
2198 p_header=out->p_buffer+12;
2208 memcpy( &out->p_buffer[12+latmhdrsize], p_data, i_payload );
2210 out->i_buffer = 12 + latmhdrsize + i_payload;
2211 out->i_dts = in->i_dts + i * in->i_length / i_count;
2212 out->i_length = in->i_length / i_count;
2214 rtp_packetize_send( id, out );
2216 p_data += i_payload;
2217 i_data -= i_payload;
2223 static int rtp_packetize_l16( sout_stream_t *p_stream, sout_stream_id_t *id,
2226 int i_max = id->i_mtu - 12; /* payload max in one packet */
2227 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2229 uint8_t *p_data = in->p_buffer;
2230 int i_data = in->i_buffer;
2235 int i_payload = (__MIN( i_max, i_data )/4)*4;
2236 block_t *out = block_New( p_stream, 12 + i_payload );
2238 /* rtp common header */
2239 rtp_packetize_common( id, out, 0,
2240 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2241 memcpy( &out->p_buffer[12], p_data, i_payload );
2243 out->i_buffer = 12 + i_payload;
2244 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
2245 out->i_length = in->i_length / i_count;
2247 rtp_packetize_send( id, out );
2249 p_data += i_payload;
2250 i_data -= i_payload;
2257 static int rtp_packetize_l8( sout_stream_t *p_stream, sout_stream_id_t *id,
2260 int i_max = id->i_mtu - 12; /* payload max in one packet */
2261 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2263 uint8_t *p_data = in->p_buffer;
2264 int i_data = in->i_buffer;
2269 int i_payload = (__MIN( i_max, i_data )/2)*2;
2270 block_t *out = block_New( p_stream, 12 + i_payload );
2272 /* rtp common header */
2273 rtp_packetize_common( id, out, 0,
2274 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2275 memcpy( &out->p_buffer[12], p_data, i_payload );
2277 out->i_buffer = 12 + i_payload;
2278 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
2279 out->i_length = in->i_length / i_count;
2281 rtp_packetize_send( id, out );
2283 p_data += i_payload;
2284 i_data -= i_payload;
2290 static int rtp_packetize_mp4a( sout_stream_t *p_stream, sout_stream_id_t *id,
2293 int i_max = id->i_mtu - 16; /* payload max in one packet */
2294 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2296 uint8_t *p_data = in->p_buffer;
2297 int i_data = in->i_buffer;
2300 for( i = 0; i < i_count; i++ )
2302 int i_payload = __MIN( i_max, i_data );
2303 block_t *out = block_New( p_stream, 16 + i_payload );
2305 /* rtp common header */
2306 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2307 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2309 /* AU headers length (bits) */
2310 out->p_buffer[12] = 0;
2311 out->p_buffer[13] = 2*8;
2312 /* for each AU length 13 bits + idx 3bits, */
2313 out->p_buffer[14] = ( in->i_buffer >> 5 )&0xff;
2314 out->p_buffer[15] = ( (in->i_buffer&0xff)<<3 )|0;
2316 memcpy( &out->p_buffer[16], p_data, i_payload );
2318 out->i_buffer = 16 + i_payload;
2319 out->i_dts = in->i_dts + i * in->i_length / i_count;
2320 out->i_length = in->i_length / i_count;
2322 rtp_packetize_send( id, out );
2324 p_data += i_payload;
2325 i_data -= i_payload;
2333 #define RTP_H263_HEADER_SIZE (2) // plen = 0
2334 #define RTP_H263_PAYLOAD_START (14) // plen = 0
2335 static int rtp_packetize_h263( sout_stream_t *p_stream, sout_stream_id_t *id,
2338 uint8_t *p_data = in->p_buffer;
2339 int i_data = in->i_buffer;
2341 int i_max = id->i_mtu - 12 - RTP_H263_HEADER_SIZE; /* payload max in one packet */
2344 int b_v_bit = 0; // no pesky error resilience
2345 int i_plen = 0; // normally plen=0 for PSC packet
2346 int i_pebit = 0; // because plen=0
2351 return VLC_EGENERIC;
2353 if( p_data[0] || p_data[1] )
2355 return VLC_EGENERIC;
2357 /* remove 2 leading 0 bytes */
2360 i_count = ( i_data + i_max - 1 ) / i_max;
2362 for( i = 0; i < i_count; i++ )
2364 int i_payload = __MIN( i_max, i_data );
2365 block_t *out = block_New( p_stream,
2366 RTP_H263_PAYLOAD_START + i_payload );
2367 b_p_bit = (i == 0) ? 1 : 0;
2368 h = ( b_p_bit << 10 )|
2373 /* rtp common header */
2374 //b_m_bit = 1; // always contains end of frame
2375 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
2376 in->i_pts > 0 ? in->i_pts : in->i_dts );
2379 out->p_buffer[12] = ( h >> 8 )&0xff;
2380 out->p_buffer[13] = ( h )&0xff;
2381 memcpy( &out->p_buffer[RTP_H263_PAYLOAD_START], p_data, i_payload );
2383 out->i_buffer = RTP_H263_PAYLOAD_START + i_payload;
2384 out->i_dts = in->i_dts + i * in->i_length / i_count;
2385 out->i_length = in->i_length / i_count;
2387 rtp_packetize_send( id, out );
2389 p_data += i_payload;
2390 i_data -= i_payload;
2397 static int rtp_packetize_h264_nal( sout_stream_t *p_stream, sout_stream_id_t *id,
2398 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 )
2400 const int i_max = id->i_mtu - 12; /* payload max in one packet */
2407 i_nal_hdr = p_data[3];
2408 i_nal_type = i_nal_hdr&0x1f;
2409 if( i_nal_type == 7 || i_nal_type == 8 )
2411 /* XXX Why do you want to remove them ? It will break streaming with
2412 * SPS/PPS change (broadcast) ? */
2416 /* Skip start code */
2421 if( i_data <= i_max )
2423 /* Single NAL unit packet */
2424 block_t *out = block_New( p_stream, 12 + i_data );
2426 out->i_length = i_length;
2429 rtp_packetize_common( id, out, b_last, i_pts );
2430 out->i_buffer = 12 + i_data;
2432 memcpy( &out->p_buffer[12], p_data, i_data );
2434 rtp_packetize_send( id, out );
2438 /* FU-A Fragmentation Unit without interleaving */
2439 const int i_count = ( i_data-1 + i_max-2 - 1 ) / (i_max-2);
2445 for( i = 0; i < i_count; i++ )
2447 const int i_payload = __MIN( i_data, i_max-2 );
2448 block_t *out = block_New( p_stream, 12 + 2 + i_payload );
2449 out->i_dts = i_dts + i * i_length / i_count;
2450 out->i_length = i_length / i_count;
2453 rtp_packetize_common( id, out, (b_last && i_payload == i_data), i_pts );
2454 out->i_buffer = 14 + i_payload;
2457 out->p_buffer[12] = 0x00 | (i_nal_hdr & 0x60) | 28;
2459 out->p_buffer[13] = ( i == 0 ? 0x80 : 0x00 ) | ( (i == i_count-1) ? 0x40 : 0x00 ) | i_nal_type;
2460 memcpy( &out->p_buffer[14], p_data, i_payload );
2462 rtp_packetize_send( id, out );
2464 i_data -= i_payload;
2465 p_data += i_payload;
2471 static int rtp_packetize_h264( sout_stream_t *p_stream, sout_stream_id_t *id,
2474 const uint8_t *p_buffer = in->p_buffer;
2475 int i_buffer = in->i_buffer;
2477 while( i_buffer > 4 && ( p_buffer[0] != 0 || p_buffer[1] != 0 || p_buffer[2] != 1 ) )
2483 /* Split nal units */
2484 while( i_buffer > 4 )
2487 int i_size = i_buffer;
2488 int i_skip = i_buffer;
2490 /* search nal end */
2491 for( i_offset = 4; i_offset+2 < i_buffer ; i_offset++)
2493 if( p_buffer[i_offset] == 0 && p_buffer[i_offset+1] == 0 && p_buffer[i_offset+2] == 1 )
2495 /* we found another startcode */
2496 i_size = i_offset - ( p_buffer[i_offset-1] == 0 ? 1 : 0);
2501 /* TODO add STAP-A to remove a lot of overhead with small slice/sei/... */
2502 rtp_packetize_h264_nal( p_stream, id, p_buffer, i_size,
2503 (in->i_pts > 0 ? in->i_pts : in->i_dts), in->i_dts,
2504 (i_size >= i_buffer), in->i_length * i_size / in->i_buffer );
2512 static int rtp_packetize_amr( sout_stream_t *p_stream, sout_stream_id_t *id,
2515 int i_max = id->i_mtu - 14; /* payload max in one packet */
2516 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2518 uint8_t *p_data = in->p_buffer;
2519 int i_data = in->i_buffer;
2522 /* Only supports octet-aligned mode */
2523 for( i = 0; i < i_count; i++ )
2525 int i_payload = __MIN( i_max, i_data );
2526 block_t *out = block_New( p_stream, 14 + i_payload );
2528 /* rtp common header */
2529 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2530 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2531 /* Payload header */
2532 out->p_buffer[12] = 0xF0; /* CMR */
2533 out->p_buffer[13] = p_data[0]&0x7C; /* ToC */ /* FIXME: frame type */
2535 /* FIXME: are we fed multiple frames ? */
2536 memcpy( &out->p_buffer[14], p_data+1, i_payload-1 );
2538 out->i_buffer = 14 + i_payload-1;
2539 out->i_dts = in->i_dts + i * in->i_length / i_count;
2540 out->i_length = in->i_length / i_count;
2542 rtp_packetize_send( id, out );
2544 p_data += i_payload;
2545 i_data -= i_payload;