1 /*****************************************************************************
2 * rtp.c: rtp stream output module
3 *****************************************************************************
4 * Copyright (C) 2003-2004 the VideoLAN team
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
32 #include <vlc/input.h>
35 #include "vlc_httpd.h"
40 /*****************************************************************************
42 *****************************************************************************/
46 #define DST_TEXT N_("Destination")
47 #define DST_LONGTEXT N_( \
48 "Allows you to specify the output URL used for the streaming output." )
49 #define SDP_TEXT N_("SDP")
50 #define SDP_LONGTEXT N_( \
51 "Allows you to specify the SDP used for the streaming output. " \
52 "You must use an url: http://location to access the SDP via HTTP, " \
53 "rtsp://location for RTSP access, and sap:// for the SDP to be " \
54 "announced via SAP." )
55 #define MUX_TEXT N_("Muxer")
56 #define MUX_LONGTEXT N_( \
57 "Allows you to specify the muxer used for the streaming output." )
59 #define NAME_TEXT N_("Session name")
60 #define NAME_LONGTEXT N_( \
61 "Allows you to specify the session name used for the streaming output." )
62 #define DESC_TEXT N_("Session description")
63 #define DESC_LONGTEXT N_( \
64 "Allows you to give a broader description of the stream." )
65 #define URL_TEXT N_("Session URL")
66 #define URL_LONGTEXT N_( \
67 "Allows you to specify a URL with additional information on the stream." )
68 #define EMAIL_TEXT N_("Session email")
69 #define EMAIL_LONGTEXT N_( \
70 "Allows you to specify contact e-mail address for this session." )
72 #define PORT_TEXT N_("Port")
73 #define PORT_LONGTEXT N_( \
74 "Allows you to specify the base port used for the RTP streaming." )
75 #define PORT_AUDIO_TEXT N_("Audio port")
76 #define PORT_AUDIO_LONGTEXT N_( \
77 "Allows you to specify the default audio port used for the RTP streaming." )
78 #define PORT_VIDEO_TEXT N_("Video port")
79 #define PORT_VIDEO_LONGTEXT N_( \
80 "Allows you to specify the default video port used for the RTP streaming." )
82 #define TTL_TEXT N_("Time-To-Live (TTL)")
83 #define TTL_LONGTEXT N_( \
84 "Allows you to specify the Time-To-Live for the output stream." )
86 static int Open ( vlc_object_t * );
87 static void Close( vlc_object_t * );
89 #define SOUT_CFG_PREFIX "sout-rtp-"
92 set_shortname( _("RTP"));
93 set_description( _("RTP stream output") );
94 set_capability( "sout stream", 0 );
95 add_shortcut( "rtp" );
96 set_category( CAT_SOUT );
97 set_subcategory( SUBCAT_SOUT_STREAM );
99 add_string( SOUT_CFG_PREFIX "dst", "", NULL, DST_TEXT,
100 DST_LONGTEXT, VLC_TRUE );
101 add_string( SOUT_CFG_PREFIX "sdp", "", NULL, SDP_TEXT,
102 SDP_LONGTEXT, VLC_TRUE );
103 add_string( SOUT_CFG_PREFIX "mux", "", NULL, MUX_TEXT,
104 MUX_LONGTEXT, VLC_TRUE );
106 add_string( SOUT_CFG_PREFIX "name", "NONE", NULL, NAME_TEXT,
107 NAME_LONGTEXT, VLC_TRUE );
108 add_string( SOUT_CFG_PREFIX "description", "", NULL, DESC_TEXT,
109 DESC_LONGTEXT, VLC_TRUE );
110 add_string( SOUT_CFG_PREFIX "url", "", NULL, URL_TEXT,
111 URL_LONGTEXT, VLC_TRUE );
112 add_string( SOUT_CFG_PREFIX "email", "", NULL, EMAIL_TEXT,
113 EMAIL_LONGTEXT, VLC_TRUE );
115 add_integer( SOUT_CFG_PREFIX "port", 1234, NULL, PORT_TEXT,
116 PORT_LONGTEXT, VLC_TRUE );
117 add_integer( SOUT_CFG_PREFIX "port-audio", 1230, NULL, PORT_AUDIO_TEXT,
118 PORT_AUDIO_LONGTEXT, VLC_TRUE );
119 add_integer( SOUT_CFG_PREFIX "port-video", 1232, NULL, PORT_VIDEO_TEXT,
120 PORT_VIDEO_LONGTEXT, VLC_TRUE );
122 add_integer( SOUT_CFG_PREFIX "ttl", 0, NULL, TTL_TEXT,
123 TTL_LONGTEXT, VLC_TRUE );
125 set_callbacks( Open, Close );
128 /*****************************************************************************
129 * Exported prototypes
130 *****************************************************************************/
131 static const char *ppsz_sout_options[] = {
132 "dst", "name", "port", "port-audio", "port-video", "*sdp", "ttl", "mux",
133 "description", "url","email", NULL
136 static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
137 static int Del ( sout_stream_t *, sout_stream_id_t * );
138 static int Send( sout_stream_t *, sout_stream_id_t *,
141 /* For unicast/interleaved streaming */
145 int64_t i_last; /* for timeout */
147 /* is it in "play" state */
148 vlc_bool_t b_playing;
150 /* output (id-access) */
152 sout_stream_id_t **id;
154 sout_access_out_t **access;
157 struct sout_stream_sys_t
163 vlc_mutex_t lock_sdp;
165 char *psz_session_name;
166 char *psz_session_description;
167 char *psz_session_url;
168 char *psz_session_email;
171 vlc_bool_t b_export_sdp_file;
174 vlc_bool_t b_export_sap;
175 session_descriptor_t *p_session;
177 httpd_host_t *p_httpd_host;
178 httpd_file_t *p_httpd_file;
180 httpd_host_t *p_rtsp_host;
181 httpd_url_t *p_rtsp_url;
182 char *psz_rtsp_control;
186 char *psz_destination;
192 /* when need to use a private one or when using muxer */
195 /* in case we do TS/PS over rtp */
197 sout_access_out_t *p_access;
199 sout_access_out_t *p_grab;
201 uint32_t i_timestamp_start;
208 sout_stream_id_t **es;
212 rtsp_client_t **rtsp;
215 typedef int (*pf_rtp_packetizer_t)( sout_stream_t *, sout_stream_id_t *,
218 struct sout_stream_id_t
220 sout_stream_t *p_stream;
222 uint8_t i_payload_type;
224 uint32_t i_timestamp_start;
231 char *psz_destination;
235 /* Packetizer specific fields */
236 pf_rtp_packetizer_t pf_packetize;
239 /* for sending the packets */
240 sout_access_out_t *p_access;
242 vlc_mutex_t lock_rtsp;
244 sout_access_out_t **rtsp_access;
247 sout_input_t *p_input;
249 /* RTSP url control */
250 httpd_url_t *p_rtsp_url;
253 static int AccessOutGrabberWrite( sout_access_out_t *, block_t * );
255 static void SDPHandleUrl( sout_stream_t *, char * );
257 static int SapSetup( sout_stream_t *p_stream );
258 static int FileSetup( sout_stream_t *p_stream );
259 static int HttpSetup( sout_stream_t *p_stream, vlc_url_t * );
260 static int RtspSetup( sout_stream_t *p_stream, vlc_url_t * );
262 static int RtspCallback( httpd_callback_sys_t *, httpd_client_t *,
263 httpd_message_t *, httpd_message_t * );
264 static int RtspCallbackId( httpd_callback_sys_t *, httpd_client_t *,
265 httpd_message_t *, httpd_message_t * );
268 static rtsp_client_t *RtspClientNew( sout_stream_t *, char *psz_session );
269 static rtsp_client_t *RtspClientGet( sout_stream_t *, char *psz_session );
270 static void RtspClientDel( sout_stream_t *, rtsp_client_t * );
272 /*****************************************************************************
274 *****************************************************************************/
275 static int Open( vlc_object_t *p_this )
277 sout_stream_t *p_stream = (sout_stream_t*)p_this;
278 sout_instance_t *p_sout = p_stream->p_sout;
279 sout_stream_sys_t *p_sys = NULL;
280 sout_cfg_t *p_cfg = NULL;
282 vlc_bool_t b_rtsp = VLC_FALSE;
284 sout_CfgParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options, p_stream->p_cfg );
286 p_sys = malloc( sizeof( sout_stream_sys_t ) );
288 p_sys->psz_destination = var_GetString( p_stream, SOUT_CFG_PREFIX "dst" );
289 if( *p_sys->psz_destination == '\0' )
291 free( p_sys->psz_destination );
292 p_sys->psz_destination = NULL;
295 p_sys->psz_session_name = var_GetString( p_stream, SOUT_CFG_PREFIX "name" );
296 p_sys->psz_session_description = var_GetString( p_stream, SOUT_CFG_PREFIX "description" );
297 p_sys->psz_session_url = var_GetString( p_stream, SOUT_CFG_PREFIX "url" );
298 p_sys->psz_session_email = var_GetString( p_stream, SOUT_CFG_PREFIX "email" );
300 p_sys->i_port = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port" );
301 p_sys->i_port_audio = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port-audio" );
302 p_sys->i_port_video = var_GetInteger( p_stream, SOUT_CFG_PREFIX "port-video" );
304 p_sys->psz_sdp_file = NULL;
306 if( p_sys->i_port_audio == p_sys->i_port_video )
308 msg_Err( p_stream, "audio and video port cannot be the same" );
309 p_sys->i_port_audio = 0;
310 p_sys->i_port_video = 0;
313 if( !p_sys->psz_session_name )
315 if( p_sys->psz_destination )
316 p_sys->psz_session_name = strdup( p_sys->psz_destination );
318 p_sys->psz_session_name = strdup( "NONE" );
321 for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
323 if( !strcmp( p_cfg->psz_name, "sdp" ) )
325 if( p_cfg->psz_value && !strncasecmp( p_cfg->psz_value, "rtsp", 4 ) )
335 var_Get( p_stream, SOUT_CFG_PREFIX "sdp", &val2 );
336 if( !strncasecmp( val2.psz_string, "rtsp", 4 ) )
338 free( val2.psz_string );
341 if( !p_sys->psz_destination || *p_sys->psz_destination == '\0' )
345 msg_Err( p_stream, "missing destination and not in rtsp mode" );
349 p_sys->psz_destination = NULL;
351 else if( p_sys->i_port <= 0 )
353 msg_Err( p_stream, "invalid port" );
358 var_Get( p_stream, SOUT_CFG_PREFIX "ttl", &val );
361 /* Normally, we should let the default hop limit up to the core,
362 * but we have to know it to build our SDP properly, which is why
363 * we ask the core. FIXME: broken when neither sout-rtp-ttl nor
365 val.i_int = config_GetInt( p_stream, "ttl" );
367 if( p_sys->i_ttl > 255 ) p_sys->i_ttl = 255;
368 /* must not exceed 999 once formatted */
370 if( p_sys->i_ttl < 0 )
372 msg_Err( p_stream, "illegal TTL %d", val.i_int );
376 p_sys->i_ttl = val.i_int;
378 p_sys->i_payload_type = 96;
383 p_sys->psz_sdp = NULL;
385 p_sys->i_sdp_id = mdate();
386 p_sys->i_sdp_version = 1;
387 p_sys->psz_sdp = NULL;
389 p_sys->b_export_sap = VLC_FALSE;
390 p_sys->b_export_sdp_file = VLC_FALSE;
391 p_sys->p_session = NULL;
393 p_sys->p_httpd_host = NULL;
394 p_sys->p_httpd_file = NULL;
395 p_sys->p_rtsp_host = NULL;
396 p_sys->p_rtsp_url = NULL;
397 p_sys->psz_rtsp_control = NULL;
398 p_sys->psz_rtsp_path = NULL;
400 vlc_mutex_init( p_stream, &p_sys->lock_sdp );
401 vlc_mutex_init( p_stream, &p_sys->lock_es );
403 p_stream->pf_add = Add;
404 p_stream->pf_del = Del;
405 p_stream->pf_send = Send;
407 p_stream->p_sys = p_sys;
409 var_Get( p_stream, SOUT_CFG_PREFIX "mux", &val );
410 if( *val.psz_string )
412 sout_access_out_t *p_grab;
413 char *psz_rtpmap, url[NI_MAXHOST + 8], access[17], psz_ttl[5], ipv;
417 msg_Err( p_stream, "muxing is not supported in RTSP mode" );
421 else if( !p_sys->psz_destination || *p_sys->psz_destination == '\0' )
423 msg_Err( p_stream, "rtp needs a destination when muxing" );
428 /* Check muxer type */
429 if( !strncasecmp( val.psz_string, "ps", 2 ) || !strncasecmp( val.psz_string, "mpeg1", 5 ) )
431 psz_rtpmap = "MP2P/90000";
433 else if( !strncasecmp( val.psz_string, "ts", 2 ) )
435 psz_rtpmap = "MP2T/90000";
436 p_sys->i_payload_type = 33;
440 msg_Err( p_stream, "unsupported muxer type with rtp (only ts/ps)" );
445 /* create the access out */
446 if( p_sys->i_ttl > 0 )
448 sprintf( access, "udp{raw,ttl=%d}", p_sys->i_ttl );
452 sprintf( access, "udp{raw}" );
455 /* IPv6 needs brackets if not already present */
456 snprintf( url, sizeof( url ),
457 ( ( p_sys->psz_destination[0] != '[' )
458 && ( strchr( p_sys->psz_destination, ':' ) != NULL ) )
459 ? "[%s]:%d" : "%s:%d", p_sys->psz_destination,
461 url[sizeof( url ) - 1] = '\0';
462 /* FIXME: we should check that url is a numerical address, otherwise
463 * the SDP will be quite broken (regardless of the IP protocol version)
464 * Also it might be IPv6 with no ':' if it is a DNS name.
466 ipv = ( strchr( p_sys->psz_destination, ':' ) != NULL ) ? '6' : '4';
468 if( !( p_sys->p_access = sout_AccessOutNew( p_sout, access, url ) ) )
470 msg_Err( p_stream, "cannot create the access out for %s://%s",
475 p_sys->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beurk */
476 if( p_sys->i_mtu <= 16 + MTU_REDUCE )
478 /* better than nothing */
481 p_sys->i_mtu -= MTU_REDUCE;
483 /* the access out grabber TODO export it as sout_AccessOutGrabberNew */
484 p_grab = p_sys->p_grab =
485 vlc_object_create( p_sout, sizeof( sout_access_out_t ) );
486 p_grab->p_module = NULL;
487 p_grab->p_sout = p_sout;
488 p_grab->psz_access = strdup( "grab" );
489 p_grab->p_cfg = NULL;
490 p_grab->psz_name = strdup( "" );
491 p_grab->p_sys = (sout_access_out_sys_t*)p_stream;
492 p_grab->pf_seek = NULL;
493 p_grab->pf_write = AccessOutGrabberWrite;
496 if( !( p_sys->p_mux = sout_MuxNew( p_sout, val.psz_string, p_sys->p_grab ) ) )
498 msg_Err( p_stream, "cannot create the muxer (%s)", val.psz_string );
499 sout_AccessOutDelete( p_sys->p_grab );
500 sout_AccessOutDelete( p_sys->p_access );
505 /* create the SDP for a muxed stream (only once) */
506 /* FIXME http://www.faqs.org/rfcs/rfc2327.html
507 All text fields should be UTF-8 encoded. Use global a:charset to announce this.
508 o= - should be local username (no spaces allowed)
509 o= time should be hashed with some other value to garantue uniqueness
510 o= we need IP6 support?
511 o= don't use the localhost address. use fully qualified domain name or IP4 address
512 p= international phone number (pass via vars?)
514 a= recvonly (missing)
515 a= type:broadcast (missing)
516 a= charset: (normally charset should be UTF-8, this can be used to override s= and i=)
517 a= x-plgroup: (missing)
518 RTP packets need to get the correct src IP address */
519 if( net_AddressIsMulticast( (vlc_object_t *)p_stream, p_sys->psz_destination ) )
521 snprintf( psz_ttl, sizeof( psz_ttl ), "/%d", p_sys->i_ttl );
522 psz_ttl[sizeof( psz_ttl ) - 1] = '\0';
529 asprintf( &p_sys->psz_sdp,
531 /* FIXME: source address not known :( */
532 "o=- "I64Fd" %d IN IP%c %s\r\n"
537 "t=0 0\r\n" /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
538 "a=tool:"PACKAGE_STRING"\r\n"
540 "m=video %d RTP/AVP %d\r\n"
541 "a=rtpmap:%d %s\r\n",
542 p_sys->i_sdp_id, p_sys->i_sdp_version,
543 ipv, ipv == '6' ? "::1" : "127.0.0.1" /* FIXME */,
544 p_sys->psz_session_name,
545 p_sys->psz_session_description,
546 p_sys->psz_session_url,
547 p_sys->psz_session_email,
548 ipv, p_sys->psz_destination, psz_ttl,
549 p_sys->i_port, p_sys->i_payload_type,
550 p_sys->i_payload_type, psz_rtpmap );
551 msg_Dbg( p_stream, "sdp=%s", p_sys->psz_sdp );
553 /* create the rtp context */
554 p_sys->ssrc[0] = rand()&0xff;
555 p_sys->ssrc[1] = rand()&0xff;
556 p_sys->ssrc[2] = rand()&0xff;
557 p_sys->ssrc[3] = rand()&0xff;
558 p_sys->i_sequence = rand()&0xffff;
559 p_sys->i_timestamp_start = rand()&0xffffffff;
560 p_sys->packet = NULL;
565 p_sys->p_access = NULL;
566 p_sys->p_grab = NULL;
568 free( val.psz_string );
571 var_Get( p_stream, SOUT_CFG_PREFIX "sdp", &val );
572 if( *val.psz_string )
576 SDPHandleUrl( p_stream, val.psz_string );
578 for( p_cfg = p_stream->p_cfg; p_cfg != NULL; p_cfg = p_cfg->p_next )
580 if( !strcmp( p_cfg->psz_name, "sdp" ) )
582 if( p_cfg->psz_value == NULL || *p_cfg->psz_value == '\0' )
585 if( !strcmp( p_cfg->psz_value, val.psz_string ) ) /* needed both :sout-rtp-sdp= and rtp{sdp=} can be used */
588 SDPHandleUrl( p_stream, p_cfg->psz_value );
592 free( val.psz_string );
594 /* update p_sout->i_out_pace_nocontrol */
595 p_stream->p_sout->i_out_pace_nocontrol++;
600 /*****************************************************************************
602 *****************************************************************************/
603 static void Close( vlc_object_t * p_this )
605 sout_stream_t *p_stream = (sout_stream_t*)p_this;
606 sout_stream_sys_t *p_sys = p_stream->p_sys;
608 /* update p_sout->i_out_pace_nocontrol */
609 p_stream->p_sout->i_out_pace_nocontrol--;
613 sout_MuxDelete( p_sys->p_mux );
614 sout_AccessOutDelete( p_sys->p_access );
615 sout_AccessOutDelete( p_sys->p_grab );
618 block_Release( p_sys->packet );
620 if( p_sys->b_export_sap )
623 SapSetup( p_stream );
627 while( p_sys->i_rtsp > 0 )
629 RtspClientDel( p_stream, p_sys->rtsp[0] );
632 vlc_mutex_destroy( &p_sys->lock_sdp );
634 if( p_sys->p_httpd_file )
636 httpd_FileDelete( p_sys->p_httpd_file );
638 if( p_sys->p_httpd_host )
640 httpd_HostDelete( p_sys->p_httpd_host );
642 if( p_sys->p_rtsp_url )
644 httpd_UrlDelete( p_sys->p_rtsp_url );
646 if( p_sys->p_rtsp_host )
648 httpd_HostDelete( p_sys->p_rtsp_host );
650 if( p_sys->psz_session_name )
652 free( p_sys->psz_session_name );
653 p_sys->psz_session_name = NULL;
655 if( p_sys->psz_session_description )
657 free( p_sys->psz_session_description );
658 p_sys->psz_session_description = NULL;
660 if( p_sys->psz_session_url )
662 free( p_sys->psz_session_url );
663 p_sys->psz_session_url = NULL;
665 if( p_sys->psz_session_email )
667 free( p_sys->psz_session_email );
668 p_sys->psz_session_email = NULL;
672 free( p_sys->psz_sdp );
673 p_sys->psz_sdp = NULL;
678 /*****************************************************************************
680 *****************************************************************************/
681 static void SDPHandleUrl( sout_stream_t *p_stream, char *psz_url )
683 sout_stream_sys_t *p_sys = p_stream->p_sys;
686 vlc_UrlParse( &url, psz_url, 0 );
687 if( url.psz_protocol && !strcasecmp( url.psz_protocol, "http" ) )
689 if( p_sys->p_httpd_file )
691 msg_Err( p_stream, "You can use sdp=http:// only once" );
695 if( HttpSetup( p_stream, &url ) )
697 msg_Err( p_stream, "cannot export sdp as http" );
700 else if( url.psz_protocol && !strcasecmp( url.psz_protocol, "rtsp" ) )
702 if( p_sys->p_rtsp_url )
704 msg_Err( p_stream, "You can use sdp=rtsp:// only once" );
708 /* FIXME test if destination is multicast or no destination at all FIXME */
709 if( RtspSetup( p_stream, &url ) )
711 msg_Err( p_stream, "cannot export sdp as rtsp" );
714 else if( ( url.psz_protocol && !strcasecmp( url.psz_protocol, "sap" ) ) ||
715 ( url.psz_host && !strcasecmp( url.psz_host, "sap" ) ) )
717 p_sys->b_export_sap = VLC_TRUE;
718 SapSetup( p_stream );
720 else if( url.psz_protocol && !strcasecmp( url.psz_protocol, "file" ) )
722 if( p_sys->b_export_sdp_file )
724 msg_Err( p_stream, "You can use sdp=file:// only once" );
727 p_sys->b_export_sdp_file = VLC_TRUE;
728 psz_url = &psz_url[5];
729 if( psz_url[0] == '/' && psz_url[1] == '/' )
731 p_sys->psz_sdp_file = strdup( psz_url );
735 msg_Warn( p_stream, "unknown protocol for SDP (%s)",
738 vlc_UrlClean( &url );
741 /*****************************************************************************
743 *****************************************************************************/
744 /* FIXME http://www.faqs.org/rfcs/rfc2327.html
745 All text fields should be UTF-8 encoded. Use global a:charset to announce this.
746 o= - should be local username (no spaces allowed)
747 o= time should be hashed with some other value to garantue uniqueness
748 o= we need IP6 support?
749 o= don't use the localhost address. use fully qualified domain name or IP4 address
750 p= international phone number (pass via vars?)
752 a= recvonly (missing)
753 a= type:broadcast (missing)
754 a= charset: (normally charset should be UTF-8, this can be used to override s= and i=)
755 a= x-plgroup: (missing)
756 RTP packets need to get the correct src IP address */
757 static char *SDPGenerate( const sout_stream_t *p_stream,
758 const char *psz_destination, vlc_bool_t b_rtsp )
760 sout_stream_sys_t *p_sys = p_stream->p_sys;
761 sout_instance_t *p_sout = p_stream->p_sout;
763 char *psz_sdp, *p, ipv;
766 /* FIXME: breaks IP version check on unknown destination */
767 if( psz_destination == NULL )
768 psz_destination = "0.0.0.0";
770 i_size = sizeof( "v=0\r\n" ) +
771 sizeof( "o=- * * IN IP4 127.0.0.1\r\n" ) + 10 + 10 +
772 sizeof( "s=*\r\n" ) + strlen( p_sys->psz_session_name ) +
773 sizeof( "i=*\r\n" ) + strlen( p_sys->psz_session_description ) +
774 sizeof( "u=*\r\n" ) + strlen( p_sys->psz_session_url ) +
775 sizeof( "e=*\r\n" ) + strlen( p_sys->psz_session_email ) +
776 sizeof( "t=0 0\r\n" ) + /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
777 sizeof( "a=tool:"PACKAGE_STRING"\r\n" ) +
778 sizeof( "c=IN IP4 */*\r\n" ) + 20 + 10 +
779 strlen( psz_destination ) ;
780 for( i = 0; i < p_sys->i_es; i++ )
782 sout_stream_id_t *id = p_sys->es[i];
784 i_size += strlen( "m=**d*o * RTP/AVP *\r\n" ) + 10 + 10;
787 i_size += strlen( "a=rtpmap:* *\r\n" ) + strlen( id->psz_rtpmap )+10;
791 i_size += strlen( "a=fmtp:* *\r\n" ) + strlen( id->psz_fmtp ) + 10;
795 i_size += strlen( "a=control:*/trackid=*\r\n" ) + strlen( p_sys->psz_rtsp_control ) + 10;
800 i_size += strlen( "m=video %d RTP/AVP %d\r\n" ) +10 +10;
803 ipv = ( strchr( psz_destination, ':' ) != NULL ) ? '6' : '4';
805 p = psz_sdp = malloc( i_size );
806 p += sprintf( p, "v=0\r\n" );
807 p += sprintf( p, "o=- "I64Fd" %d IN IP%c %s\r\n",
808 p_sys->i_sdp_id, p_sys->i_sdp_version,
809 ipv, ipv == '6' ? "::" : "127.0.0.1" );
810 if( *p_sys->psz_session_name )
811 p += sprintf( p, "s=%s\r\n", p_sys->psz_session_name );
812 if( *p_sys->psz_session_description )
813 p += sprintf( p, "i=%s\r\n", p_sys->psz_session_description );
814 if( *p_sys->psz_session_url )
815 p += sprintf( p, "u=%s\r\n", p_sys->psz_session_url );
816 if( *p_sys->psz_session_email )
817 p += sprintf( p, "e=%s\r\n", p_sys->psz_session_email );
819 p += sprintf( p, "t=0 0\r\n" ); /* permanent stream */ /* when scheduled from vlm, we should set this info correctly */
820 p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" );
822 p += sprintf( p, "c=IN IP%c %s", ipv, psz_destination );
824 if( net_AddressIsMulticast( (vlc_object_t *)p_stream, psz_destination ) )
826 /* Add the ttl if it is a multicast address */
827 /* FIXME: 1 is not a correct default value in the case of IPv6 */
828 p += sprintf( p, "/%d\r\n", p_sys->i_ttl ?: 1 );
832 p += sprintf( p, "\r\n" );
835 for( i = 0; i < p_sys->i_es; i++ )
837 sout_stream_id_t *id = p_sys->es[i];
839 if( id->i_cat == AUDIO_ES )
841 p += sprintf( p, "m=audio %d RTP/AVP %d\r\n",
842 id->i_port, id->i_payload_type );
844 else if( id->i_cat == VIDEO_ES )
846 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
847 id->i_port, id->i_payload_type );
855 p += sprintf( p, "a=rtpmap:%d %s\r\n", id->i_payload_type,
860 p += sprintf( p, "a=fmtp:%d %s\r\n", id->i_payload_type,
865 p += sprintf( p, "a=control:%s/trackid=%d\r\n", p_sys->psz_rtsp_control, i );
870 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
871 p_sys->i_port, p_sys->i_payload_type );
877 /*****************************************************************************
879 *****************************************************************************/
880 static int rtp_packetize_l16 ( sout_stream_t *, sout_stream_id_t *, block_t * );
881 static int rtp_packetize_l8 ( sout_stream_t *, sout_stream_id_t *, block_t * );
882 static int rtp_packetize_mpa ( sout_stream_t *, sout_stream_id_t *, block_t * );
883 static int rtp_packetize_mpv ( sout_stream_t *, sout_stream_id_t *, block_t * );
884 static int rtp_packetize_ac3 ( sout_stream_t *, sout_stream_id_t *, block_t * );
885 static int rtp_packetize_split( sout_stream_t *, sout_stream_id_t *, block_t * );
886 static int rtp_packetize_mp4a ( sout_stream_t *, sout_stream_id_t *, block_t * );
887 static int rtp_packetize_h263 ( sout_stream_t *, sout_stream_id_t *, block_t * );
888 static int rtp_packetize_amr ( sout_stream_t *, sout_stream_id_t *, block_t * );
890 static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
892 static const char hex[16] = "0123456789abcdef";
895 for( i = 0; i < i_data; i++ )
897 s[2*i+0] = hex[(p_data[i]>>4)&0xf];
898 s[2*i+1] = hex[(p_data[i] )&0xf];
903 static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
905 sout_instance_t *p_sout = p_stream->p_sout;
906 sout_stream_sys_t *p_sys = p_stream->p_sys;
907 sout_stream_id_t *id;
908 sout_access_out_t *p_access = NULL;
912 if( p_sys->p_mux != NULL )
914 sout_input_t *p_input = NULL;
915 if( ( p_input = sout_MuxAddStream( p_sys->p_mux, p_fmt ) ) == NULL )
917 msg_Err( p_stream, "cannot add this stream to the muxer" );
921 id = malloc( sizeof( sout_stream_id_t ) );
922 memset( id, 0, sizeof( sout_stream_id_t ) );
924 id->p_input = p_input;
925 id->pf_packetize= NULL;
926 id->p_rtsp_url = NULL;
932 /* Choose the port */
934 if( p_fmt->i_cat == AUDIO_ES && p_sys->i_port_audio > 0 )
936 i_port = p_sys->i_port_audio;
937 p_sys->i_port_audio = 0;
939 else if( p_fmt->i_cat == VIDEO_ES && p_sys->i_port_video > 0 )
941 i_port = p_sys->i_port_video;
942 p_sys->i_port_video = 0;
946 if( p_sys->i_port != p_sys->i_port_audio && p_sys->i_port != p_sys->i_port_video )
948 i_port = p_sys->i_port;
955 if( p_sys->psz_destination )
958 char url[NI_MAXHOST + 8];
960 /* first try to create the access out */
963 snprintf( access, sizeof( access ), "udp{raw,ttl=%d}",
965 access[sizeof( access ) - 1] = '\0';
968 strcpy( access, "udp{raw}" );
970 snprintf( url, sizeof( url ), (( p_sys->psz_destination[0] != '[' ) &&
971 strchr( p_sys->psz_destination, ':' )) ? "[%s]:%d" : "%s:%d",
972 p_sys->psz_destination, i_port );
973 url[sizeof( url ) - 1] = '\0';
975 if( ( p_access = sout_AccessOutNew( p_sout, access, url ) ) == NULL )
977 msg_Err( p_stream, "cannot create the access out for %s://%s",
981 msg_Dbg( p_stream, "access out %s:%s", access, url );
984 /* not create the rtp specific stuff */
985 id = malloc( sizeof( sout_stream_id_t ) );
986 memset( id, 0, sizeof( sout_stream_id_t ) );
987 id->p_stream = p_stream;
988 id->p_access = p_access;
990 id->psz_rtpmap = NULL;
992 id->psz_destination = p_sys->psz_destination ? strdup( p_sys->psz_destination ) : NULL;
994 id->p_rtsp_url = NULL;
995 vlc_mutex_init( p_stream, &id->lock_rtsp );
996 id->i_rtsp_access = 0;
997 id->rtsp_access = NULL;
999 switch( p_fmt->i_codec )
1001 case VLC_FOURCC( 's', '1', '6', 'b' ):
1002 if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
1004 id->i_payload_type = 11;
1006 else if( p_fmt->audio.i_channels == 2 &&
1007 p_fmt->audio.i_rate == 44100 )
1009 id->i_payload_type = 10;
1013 id->i_payload_type = p_sys->i_payload_type++;
1015 id->psz_rtpmap = malloc( strlen( "L16/*/*" ) + 20+1 );
1016 sprintf( id->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
1017 p_fmt->audio.i_channels );
1018 id->i_clock_rate = p_fmt->audio.i_rate;
1019 id->pf_packetize = rtp_packetize_l16;
1021 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
1022 id->i_payload_type = p_sys->i_payload_type++;
1023 id->psz_rtpmap = malloc( strlen( "L8/*/*" ) + 20+1 );
1024 sprintf( id->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
1025 p_fmt->audio.i_channels );
1026 id->i_clock_rate = p_fmt->audio.i_rate;
1027 id->pf_packetize = rtp_packetize_l8;
1029 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
1030 id->i_payload_type = 14;
1031 id->i_clock_rate = 90000;
1032 id->psz_rtpmap = strdup( "MPA/90000" );
1033 id->pf_packetize = rtp_packetize_mpa;
1035 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
1036 id->i_payload_type = 32;
1037 id->i_clock_rate = 90000;
1038 id->psz_rtpmap = strdup( "MPV/90000" );
1039 id->pf_packetize = rtp_packetize_mpv;
1041 case VLC_FOURCC( 'a', '5', '2', ' ' ):
1042 id->i_payload_type = p_sys->i_payload_type++;
1043 id->i_clock_rate = 90000;
1044 id->psz_rtpmap = strdup( "ac3/90000" );
1045 id->pf_packetize = rtp_packetize_ac3;
1047 case VLC_FOURCC( 'H', '2', '6', '3' ):
1048 id->i_payload_type = p_sys->i_payload_type++;
1049 id->i_clock_rate = 90000;
1050 id->psz_rtpmap = strdup( "H263-1998/90000" );
1051 id->pf_packetize = rtp_packetize_h263;
1054 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
1056 char hexa[2*p_fmt->i_extra +1];
1058 id->i_payload_type = p_sys->i_payload_type++;
1059 id->i_clock_rate = 90000;
1060 id->psz_rtpmap = strdup( "MP4V-ES/90000" );
1061 id->pf_packetize = rtp_packetize_split;
1062 if( p_fmt->i_extra > 0 )
1064 id->psz_fmtp = malloc( 100 + 2 * p_fmt->i_extra );
1065 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
1066 sprintf( id->psz_fmtp,
1067 "profile-level-id=3; config=%s;", hexa );
1071 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
1073 char hexa[2*p_fmt->i_extra +1];
1075 id->i_payload_type = p_sys->i_payload_type++;
1076 id->i_clock_rate = p_fmt->audio.i_rate;
1077 id->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
1078 sprintf( id->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
1079 id->pf_packetize = rtp_packetize_mp4a;
1080 id->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
1081 sprintf_hexa( hexa, p_fmt->p_extra, p_fmt->i_extra );
1082 sprintf( id->psz_fmtp,
1083 "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
1084 "config=%s; SizeLength=13;IndexLength=3; "
1085 "IndexDeltaLength=3; Profile=1;", hexa );
1088 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
1089 id->i_payload_type = p_sys->i_payload_type++;
1090 id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
1091 "AMR/8000/2" : "AMR/8000" );
1092 id->psz_fmtp = strdup( "octet-align=1" );
1093 id->i_clock_rate = p_fmt->audio.i_rate;
1094 id->pf_packetize = rtp_packetize_amr;
1096 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
1097 id->i_payload_type = p_sys->i_payload_type++;
1098 id->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
1099 "AMR-WB/16000/2" : "AMR-WB/16000" );
1100 id->psz_fmtp = strdup( "octet-align=1" );
1101 id->i_clock_rate = p_fmt->audio.i_rate;
1102 id->pf_packetize = rtp_packetize_amr;
1106 msg_Err( p_stream, "cannot add this stream (unsupported "
1107 "codec:%4.4s)", (char*)&p_fmt->i_codec );
1110 sout_AccessOutDelete( p_access );
1115 id->i_cat = p_fmt->i_cat;
1117 id->ssrc[0] = rand()&0xff;
1118 id->ssrc[1] = rand()&0xff;
1119 id->ssrc[2] = rand()&0xff;
1120 id->ssrc[3] = rand()&0xff;
1121 id->i_sequence = rand()&0xffff;
1122 id->i_timestamp_start = rand()&0xffffffff;
1124 id->i_mtu = config_GetInt( p_stream, "mtu" ); /* XXX beuk */
1125 if( id->i_mtu <= 16 + MTU_REDUCE )
1127 /* better than nothing */
1130 id->i_mtu -= MTU_REDUCE;
1131 msg_Dbg( p_stream, "maximum RTP packet size: %d bytes", id->i_mtu );
1133 if( p_sys->p_rtsp_url )
1135 char psz_urlc[strlen( p_sys->psz_rtsp_control ) + 1 + 10];
1137 sprintf( psz_urlc, "%s/trackid=%d", p_sys->psz_rtsp_path, p_sys->i_es );
1138 msg_Dbg( p_stream, "rtsp: adding %s\n", psz_urlc );
1139 id->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, psz_urlc, NULL, NULL, NULL );
1141 if( id->p_rtsp_url )
1143 httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_SETUP, RtspCallbackId, (void*)id );
1144 //httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
1145 //httpd_UrlCatch( id->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
1150 /* Update p_sys context */
1151 vlc_mutex_lock( &p_sys->lock_es );
1152 TAB_APPEND( p_sys->i_es, p_sys->es, id );
1153 vlc_mutex_unlock( &p_sys->lock_es );
1155 psz_sdp = SDPGenerate( p_stream, p_sys->psz_destination, VLC_FALSE );
1157 vlc_mutex_lock( &p_sys->lock_sdp );
1158 free( p_sys->psz_sdp );
1159 p_sys->psz_sdp = psz_sdp;
1160 vlc_mutex_unlock( &p_sys->lock_sdp );
1162 p_sys->i_sdp_version++;
1164 msg_Dbg( p_stream, "sdp=%s", p_sys->psz_sdp );
1166 /* Update SDP (sap/file) */
1167 if( p_sys->b_export_sap ) SapSetup( p_stream );
1168 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
1173 static int Del( sout_stream_t *p_stream, sout_stream_id_t *id )
1175 sout_stream_sys_t *p_sys = p_stream->p_sys;
1177 vlc_mutex_lock( &p_sys->lock_es );
1178 TAB_REMOVE( p_sys->i_es, p_sys->es, id );
1179 vlc_mutex_unlock( &p_sys->lock_es );
1182 if( id->i_port > 0 )
1184 if( id->i_cat == AUDIO_ES && p_sys->i_port_audio == 0 )
1185 p_sys->i_port_audio = id->i_port;
1186 else if( id->i_cat == VIDEO_ES && p_sys->i_port_video == 0 )
1187 p_sys->i_port_video = id->i_port;
1192 if( id->psz_rtpmap )
1194 free( id->psz_rtpmap );
1198 free( id->psz_fmtp );
1200 if( id->psz_destination )
1201 free( id->psz_destination );
1202 sout_AccessOutDelete( id->p_access );
1204 else if( id->p_input )
1206 sout_MuxDeleteStream( p_sys->p_mux, id->p_input );
1208 if( id->p_rtsp_url )
1210 httpd_UrlDelete( id->p_rtsp_url );
1212 vlc_mutex_destroy( &id->lock_rtsp );
1213 if( id->rtsp_access ) free( id->rtsp_access );
1215 /* Update SDP (sap/file) */
1216 if( p_sys->b_export_sap && !p_sys->p_mux ) SapSetup( p_stream );
1217 if( p_sys->b_export_sdp_file ) FileSetup( p_stream );
1223 static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
1228 if( p_stream->p_sys->p_mux )
1230 sout_MuxSendBuffer( p_stream->p_sys->p_mux, id->p_input, p_buffer );
1236 p_next = p_buffer->p_next;
1237 if( id->pf_packetize( p_stream, id, p_buffer ) )
1241 block_Release( p_buffer );
1249 static int AccessOutGrabberWriteBuffer( sout_stream_t *p_stream,
1252 sout_stream_sys_t *p_sys = p_stream->p_sys;
1254 int64_t i_dts = p_buffer->i_dts;
1255 uint32_t i_timestamp = i_dts * 9 / 100;
1257 uint8_t *p_data = p_buffer->p_buffer;
1258 unsigned int i_data = p_buffer->i_buffer;
1259 unsigned int i_max = p_sys->i_mtu - 12;
1261 unsigned i_packet = ( p_buffer->i_buffer + i_max - 1 ) / i_max;
1265 unsigned int i_size;
1267 /* output complete packet */
1268 if( p_sys->packet &&
1269 p_sys->packet->i_buffer + i_data > i_max )
1271 sout_AccessOutWrite( p_sys->p_access, p_sys->packet );
1272 p_sys->packet = NULL;
1275 if( p_sys->packet == NULL )
1277 /* allocate a new packet */
1278 p_sys->packet = block_New( p_stream, p_sys->i_mtu );
1279 p_sys->packet->p_buffer[ 0] = 0x80;
1280 p_sys->packet->p_buffer[ 1] = 0x80|p_sys->i_payload_type;
1281 p_sys->packet->p_buffer[ 2] = ( p_sys->i_sequence >> 8)&0xff;
1282 p_sys->packet->p_buffer[ 3] = ( p_sys->i_sequence )&0xff;
1283 p_sys->packet->p_buffer[ 4] = ( i_timestamp >> 24 )&0xff;
1284 p_sys->packet->p_buffer[ 5] = ( i_timestamp >> 16 )&0xff;
1285 p_sys->packet->p_buffer[ 6] = ( i_timestamp >> 8 )&0xff;
1286 p_sys->packet->p_buffer[ 7] = ( i_timestamp )&0xff;
1287 p_sys->packet->p_buffer[ 8] = p_sys->ssrc[0];
1288 p_sys->packet->p_buffer[ 9] = p_sys->ssrc[1];
1289 p_sys->packet->p_buffer[10] = p_sys->ssrc[2];
1290 p_sys->packet->p_buffer[11] = p_sys->ssrc[3];
1291 p_sys->packet->i_buffer = 12;
1293 p_sys->packet->i_dts = i_dts;
1294 p_sys->packet->i_length = p_buffer->i_length / i_packet;
1295 i_dts += p_sys->packet->i_length;
1297 p_sys->i_sequence++;
1300 i_size = __MIN( i_data,
1301 (unsigned)(p_sys->i_mtu - p_sys->packet->i_buffer) );
1303 memcpy( &p_sys->packet->p_buffer[p_sys->packet->i_buffer],
1306 p_sys->packet->i_buffer += i_size;
1314 static int AccessOutGrabberWrite( sout_access_out_t *p_access,
1317 sout_stream_t *p_stream = (sout_stream_t*)p_access->p_sys;
1319 //fprintf( stderr, "received buffer size=%d\n", p_buffer->i_buffer );
1325 AccessOutGrabberWriteBuffer( p_stream, p_buffer );
1327 p_next = p_buffer->p_next;
1328 block_Release( p_buffer );
1335 /****************************************************************************
1337 ****************************************************************************/
1338 static int SapSetup( sout_stream_t *p_stream )
1340 sout_stream_sys_t *p_sys = p_stream->p_sys;
1341 sout_instance_t *p_sout = p_stream->p_sout;
1342 announce_method_t *p_method = sout_AnnounceMethodCreate( METHOD_TYPE_SAP );
1344 /* Remove the previous session */
1345 if( p_sys->p_session != NULL)
1347 sout_AnnounceUnRegister( p_sout, p_sys->p_session);
1348 sout_AnnounceSessionDestroy( p_sys->p_session );
1349 p_sys->p_session = NULL;
1352 if( ( p_sys->i_es > 0 || p_sys->p_mux ) && p_sys->psz_sdp && *p_sys->psz_sdp )
1354 p_sys->p_session = sout_AnnounceRegisterSDP( p_sout, p_sys->psz_sdp,
1355 p_sys->psz_destination,
1363 /****************************************************************************
1365 ****************************************************************************/
1366 static int FileSetup( sout_stream_t *p_stream )
1368 sout_stream_sys_t *p_sys = p_stream->p_sys;
1371 if( ( f = utf8_fopen( p_sys->psz_sdp_file, "wt" ) ) == NULL )
1373 msg_Err( p_stream, "cannot open file '%s' (%s)",
1374 p_sys->psz_sdp_file, strerror(errno) );
1375 return VLC_EGENERIC;
1378 fprintf( f, "%s", p_sys->psz_sdp );
1384 /****************************************************************************
1386 ****************************************************************************/
1387 static int HttpCallback( httpd_file_sys_t *p_args,
1388 httpd_file_t *, uint8_t *p_request,
1389 uint8_t **pp_data, int *pi_data );
1391 static int HttpSetup( sout_stream_t *p_stream, vlc_url_t *url)
1393 sout_stream_sys_t *p_sys = p_stream->p_sys;
1395 p_sys->p_httpd_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 80 );
1396 if( p_sys->p_httpd_host )
1398 p_sys->p_httpd_file = httpd_FileNew( p_sys->p_httpd_host,
1399 url->psz_path ? url->psz_path : "/",
1402 HttpCallback, (void*)p_sys );
1404 if( p_sys->p_httpd_file == NULL )
1406 return VLC_EGENERIC;
1411 static int HttpCallback( httpd_file_sys_t *p_args,
1412 httpd_file_t *f, uint8_t *p_request,
1413 uint8_t **pp_data, int *pi_data )
1415 sout_stream_sys_t *p_sys = (sout_stream_sys_t*)p_args;
1417 vlc_mutex_lock( &p_sys->lock_sdp );
1418 if( p_sys->psz_sdp && *p_sys->psz_sdp )
1420 *pi_data = strlen( p_sys->psz_sdp );
1421 *pp_data = malloc( *pi_data );
1422 memcpy( *pp_data, p_sys->psz_sdp, *pi_data );
1429 vlc_mutex_unlock( &p_sys->lock_sdp );
1434 /****************************************************************************
1436 ****************************************************************************/
1437 static rtsp_client_t *RtspClientNew( sout_stream_t *p_stream, char *psz_session )
1439 rtsp_client_t *rtsp = malloc( sizeof( rtsp_client_t ));
1441 rtsp->psz_session = psz_session;
1443 rtsp->b_playing = VLC_FALSE;
1447 rtsp->access = NULL;
1449 TAB_APPEND( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
1453 static rtsp_client_t *RtspClientGet( sout_stream_t *p_stream, char *psz_session )
1456 for( i = 0; i < p_stream->p_sys->i_rtsp; i++ )
1458 if( !strcmp( p_stream->p_sys->rtsp[i]->psz_session, psz_session ) )
1460 return p_stream->p_sys->rtsp[i];
1466 static void RtspClientDel( sout_stream_t *p_stream, rtsp_client_t *rtsp )
1469 TAB_REMOVE( p_stream->p_sys->i_rtsp, p_stream->p_sys->rtsp, rtsp );
1471 for( i = 0; i < rtsp->i_access; i++ )
1473 sout_AccessOutDelete( rtsp->access[i] );
1475 if( rtsp->id ) free( rtsp->id );
1476 if( rtsp->access ) free( rtsp->access );
1478 free( rtsp->psz_session );
1482 static int RtspSetup( sout_stream_t *p_stream, vlc_url_t *url )
1484 sout_stream_sys_t *p_sys = p_stream->p_sys;
1486 msg_Dbg( p_stream, "rtsp setup: %s : %d / %s\n", url->psz_host, url->i_port, url->psz_path );
1488 p_sys->p_rtsp_host = httpd_HostNew( VLC_OBJECT(p_stream), url->psz_host, url->i_port > 0 ? url->i_port : 554 );
1489 if( p_sys->p_rtsp_host == NULL )
1491 return VLC_EGENERIC;
1494 p_sys->psz_rtsp_path = strdup( url->psz_path ? url->psz_path : "/" );
1495 p_sys->psz_rtsp_control = malloc (strlen( url->psz_host ) + 20 + strlen( p_sys->psz_rtsp_path ) + 1 );
1496 sprintf( p_sys->psz_rtsp_control, "rtsp://%s:%d%s",
1497 url->psz_host, url->i_port > 0 ? url->i_port : 554, p_sys->psz_rtsp_path );
1499 p_sys->p_rtsp_url = httpd_UrlNewUnique( p_sys->p_rtsp_host, p_sys->psz_rtsp_path, NULL, NULL, NULL );
1500 if( p_sys->p_rtsp_url == 0 )
1502 return VLC_EGENERIC;
1504 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_DESCRIBE, RtspCallback, (void*)p_stream );
1505 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PLAY, RtspCallback, (void*)p_stream );
1506 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_PAUSE, RtspCallback, (void*)p_stream );
1507 httpd_UrlCatch( p_sys->p_rtsp_url, HTTPD_MSG_TEARDOWN, RtspCallback, (void*)p_stream );
1512 static int RtspCallback( httpd_callback_sys_t *p_args,
1514 httpd_message_t *answer, httpd_message_t *query )
1516 sout_stream_t *p_stream = (sout_stream_t*)p_args;
1517 sout_stream_sys_t *p_sys = p_stream->p_sys;
1518 char *psz_destination = p_sys->psz_destination;
1519 char *psz_session = NULL;
1521 if( answer == NULL || query == NULL )
1525 //fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
1527 answer->i_proto = HTTPD_PROTO_RTSP;
1528 answer->i_version= query->i_version;
1529 answer->i_type = HTTPD_MSG_ANSWER;
1531 switch( query->i_type )
1533 case HTTPD_MSG_DESCRIBE:
1535 char *psz_sdp = SDPGenerate( p_stream, psz_destination ? psz_destination : "0.0.0.0", VLC_TRUE );
1537 answer->i_status = 200;
1538 answer->psz_status = strdup( "OK" );
1539 httpd_MsgAdd( answer, "Content-type", "%s", "application/sdp" );
1541 answer->p_body = (uint8_t *)psz_sdp;
1542 answer->i_body = strlen( psz_sdp );
1546 case HTTPD_MSG_PLAY:
1548 rtsp_client_t *rtsp;
1549 /* for now only multicast so easy */
1550 answer->i_status = 200;
1551 answer->psz_status = strdup( "OK" );
1553 answer->p_body = NULL;
1555 psz_session = httpd_MsgGet( query, "Session" );
1556 rtsp = RtspClientGet( p_stream, psz_session );
1557 if( rtsp && !rtsp->b_playing )
1561 rtsp->b_playing = VLC_TRUE;
1563 vlc_mutex_lock( &p_sys->lock_es );
1564 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
1566 sout_stream_id_t *id = rtsp->id[i_id];
1569 for( i = 0; i < p_sys->i_es; i++ )
1571 if( id == p_sys->es[i] )
1574 if( i >= p_sys->i_es ) continue;
1576 vlc_mutex_lock( &id->lock_rtsp );
1577 TAB_APPEND( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
1578 vlc_mutex_unlock( &id->lock_rtsp );
1580 vlc_mutex_unlock( &p_sys->lock_es );
1584 case HTTPD_MSG_PAUSE:
1586 return VLC_EGENERIC;
1587 case HTTPD_MSG_TEARDOWN:
1589 rtsp_client_t *rtsp;
1591 /* for now only multicast so easy again */
1592 answer->i_status = 200;
1593 answer->psz_status = strdup( "OK" );
1595 answer->p_body = NULL;
1597 psz_session = httpd_MsgGet( query, "Session" );
1598 rtsp = RtspClientGet( p_stream, psz_session );
1603 vlc_mutex_lock( &p_sys->lock_es );
1604 for( i_id = 0; i_id < rtsp->i_id; i_id++ )
1606 sout_stream_id_t *id = rtsp->id[i_id];
1609 for( i = 0; i < p_sys->i_es; i++ )
1611 if( id == p_sys->es[i] )
1614 if( i >= p_sys->i_es ) continue;
1616 vlc_mutex_lock( &id->lock_rtsp );
1617 TAB_REMOVE( id->i_rtsp_access, id->rtsp_access, rtsp->access[i_id] );
1618 vlc_mutex_unlock( &id->lock_rtsp );
1620 vlc_mutex_unlock( &p_sys->lock_es );
1622 RtspClientDel( p_stream, rtsp );
1628 return VLC_EGENERIC;
1630 httpd_MsgAdd( answer, "Server", PACKAGE_STRING );
1631 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1632 httpd_MsgAdd( answer, "Cseq", "%d", atoi( httpd_MsgGet( query, "Cseq" ) ) );
1633 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1637 httpd_MsgAdd( answer, "Session", "%s;timeout=5", psz_session );
1642 static int RtspCallbackId( httpd_callback_sys_t *p_args,
1644 httpd_message_t *answer, httpd_message_t *query )
1646 sout_stream_id_t *id = (sout_stream_id_t*)p_args;
1647 sout_stream_t *p_stream = id->p_stream;
1648 sout_instance_t *p_sout = p_stream->p_sout;
1649 sout_stream_sys_t *p_sys = p_stream->p_sys;
1650 char *psz_session = NULL;
1652 if( answer == NULL || query == NULL )
1656 //fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
1658 answer->i_proto = HTTPD_PROTO_RTSP;
1659 answer->i_version= query->i_version;
1660 answer->i_type = HTTPD_MSG_ANSWER;
1662 switch( query->i_type )
1664 case HTTPD_MSG_SETUP:
1666 char *psz_transport = httpd_MsgGet( query, "Transport" );
1668 //fprintf( stderr, "HTTPD_MSG_SETUP: transport=%s\n", psz_transport );
1670 if( strstr( psz_transport, "multicast" ) && id->psz_destination )
1672 //fprintf( stderr, "HTTPD_MSG_SETUP: multicast\n" );
1673 answer->i_status = 200;
1674 answer->psz_status = strdup( "OK" );
1676 answer->p_body = NULL;
1677 psz_session = httpd_MsgGet( query, "Session" );
1678 if( *psz_session == 0 )
1680 psz_session = malloc( 100 );
1681 sprintf( psz_session, "%d", rand() );
1683 httpd_MsgAdd( answer, "Transport",
1684 "RTP/AVP/UDP;destination=%s;port=%d-%d;ttl=%d",
1685 id->psz_destination, id->i_port,id->i_port+1,
1688 else if( strstr( psz_transport, "unicast" ) && strstr( psz_transport, "client_port=" ) )
1690 int i_port = atoi( strstr( psz_transport, "client_port=" ) + strlen("client_port=") );
1691 char ip[NI_MAXNUMERICHOST], psz_access[17], psz_url[NI_MAXNUMERICHOST + 8];
1693 sout_access_out_t *p_access;
1695 rtsp_client_t *rtsp = NULL;
1697 if( httpd_ClientIP( cl, ip ) == NULL )
1699 answer->i_status = 500;
1700 answer->psz_status = strdup( "Internal server error" );
1702 answer->p_body = NULL;
1706 //fprintf( stderr, "HTTPD_MSG_SETUP: unicast ip=%s port=%d\n", ip, i_port );
1708 psz_session = httpd_MsgGet( query, "Session" );
1709 if( *psz_session == 0 )
1711 psz_session = malloc( 100 );
1712 sprintf( psz_session, "%d", rand() );
1714 rtsp = RtspClientNew( p_stream, psz_session );
1718 rtsp = RtspClientGet( p_stream, psz_session );
1721 answer->i_status = 454;
1722 answer->psz_status = strdup( "Unknown session id" );
1724 answer->p_body = NULL;
1729 /* first try to create the access out */
1731 snprintf( psz_access, sizeof( psz_access ),
1732 "udp{raw,ttl=%d}", p_sys->i_ttl );
1734 strncpy( psz_access, "udp{raw}", sizeof( psz_access ) );
1735 psz_access[sizeof( psz_access ) - 1] = '\0';
1737 snprintf( psz_url, sizeof( psz_url ),
1738 ( strchr( ip, ':' ) != NULL ) ? "[%s]:%d" : "%s:%d",
1741 if( ( p_access = sout_AccessOutNew( p_stream->p_sout, psz_access, psz_url ) ) == NULL )
1743 msg_Err( p_stream, "cannot create the access out for %s://%s",
1744 psz_access, psz_url );
1745 answer->i_status = 500;
1746 answer->psz_status = strdup( "Internal server error" );
1748 answer->p_body = NULL;
1752 TAB_APPEND( rtsp->i_id, rtsp->id, id );
1753 TAB_APPEND( rtsp->i_access, rtsp->access, p_access );
1755 answer->i_status = 200;
1756 answer->psz_status = strdup( "OK" );
1758 answer->p_body = NULL;
1760 httpd_MsgAdd( answer, "Transport",
1761 "RTP/AVP/UDP;client_port=%d-%d", i_port, i_port + 1 );
1763 else /* TODO strstr( psz_transport, "interleaved" ) ) */
1765 answer->i_status = 461;
1766 answer->psz_status = strdup( "Unsupported Transport" );
1768 answer->p_body = NULL;
1774 return VLC_EGENERIC;
1776 httpd_MsgAdd( answer, "Server", "VLC Server" );
1777 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1778 httpd_MsgAdd( answer, "Cseq", "%d", atoi( httpd_MsgGet( query, "Cseq" ) ) );
1779 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1783 httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
1788 /****************************************************************************
1790 ****************************************************************************/
1791 static void rtp_packetize_common( sout_stream_id_t *id, block_t *out,
1792 int b_marker, int64_t i_pts )
1794 uint32_t i_timestamp = i_pts * (int64_t)id->i_clock_rate / I64C(1000000);
1796 out->p_buffer[0] = 0x80;
1797 out->p_buffer[1] = (b_marker?0x80:0x00)|id->i_payload_type;
1798 out->p_buffer[2] = ( id->i_sequence >> 8)&0xff;
1799 out->p_buffer[3] = ( id->i_sequence )&0xff;
1800 out->p_buffer[4] = ( i_timestamp >> 24 )&0xff;
1801 out->p_buffer[5] = ( i_timestamp >> 16 )&0xff;
1802 out->p_buffer[6] = ( i_timestamp >> 8 )&0xff;
1803 out->p_buffer[7] = ( i_timestamp )&0xff;
1805 out->p_buffer[ 8] = id->ssrc[0];
1806 out->p_buffer[ 9] = id->ssrc[1];
1807 out->p_buffer[10] = id->ssrc[2];
1808 out->p_buffer[11] = id->ssrc[3];
1814 static void rtp_packetize_send( sout_stream_id_t *id, block_t *out )
1817 vlc_mutex_lock( &id->lock_rtsp );
1818 for( i = 0; i < id->i_rtsp_access; i++ )
1820 sout_AccessOutWrite( id->rtsp_access[i], block_Duplicate( out ) );
1822 vlc_mutex_unlock( &id->lock_rtsp );
1826 sout_AccessOutWrite( id->p_access, out );
1830 block_Release( out );
1834 static int rtp_packetize_mpa( sout_stream_t *p_stream, sout_stream_id_t *id,
1837 int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
1838 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1840 uint8_t *p_data = in->p_buffer;
1841 int i_data = in->i_buffer;
1844 for( i = 0; i < i_count; i++ )
1846 int i_payload = __MIN( i_max, i_data );
1847 block_t *out = block_New( p_stream, 16 + i_payload );
1849 /* rtp common header */
1850 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
1852 out->p_buffer[12] = 0;
1853 out->p_buffer[13] = 0;
1854 /* fragment offset in the current frame */
1855 out->p_buffer[14] = ( (i*i_max) >> 8 )&0xff;
1856 out->p_buffer[15] = ( (i*i_max) )&0xff;
1857 memcpy( &out->p_buffer[16], p_data, i_payload );
1859 out->i_buffer = 16 + i_payload;
1860 out->i_dts = in->i_dts + i * in->i_length / i_count;
1861 out->i_length = in->i_length / i_count;
1863 rtp_packetize_send( id, out );
1865 p_data += i_payload;
1866 i_data -= i_payload;
1873 static int rtp_packetize_mpv( sout_stream_t *p_stream, sout_stream_id_t *id,
1876 int i_max = id->i_mtu - 12 - 4; /* payload max in one packet */
1877 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1879 uint8_t *p_data = in->p_buffer;
1880 int i_data = in->i_buffer;
1882 int b_sequence_start = 0;
1883 int i_temporal_ref = 0;
1884 int i_picture_coding_type = 0;
1885 int i_fbv = 0, i_bfc = 0, i_ffv = 0, i_ffc = 0;
1886 int b_start_slice = 0;
1888 /* preparse this packet to get some info */
1889 if( in->i_buffer > 4 )
1891 uint8_t *p = p_data;
1892 int i_rest = in->i_buffer;
1896 while( i_rest > 4 &&
1897 ( p[0] != 0x00 || p[1] != 0x00 || p[2] != 0x01 ) )
1911 /* sequence start code */
1912 b_sequence_start = 1;
1914 else if( *p == 0x00 && i_rest >= 4 )
1917 i_temporal_ref = ( p[1] << 2) |((p[2]>>6)&0x03);
1918 i_picture_coding_type = (p[2] >> 3)&0x07;
1920 if( i_rest >= 4 && ( i_picture_coding_type == 2 ||
1921 i_picture_coding_type == 3 ) )
1923 i_ffv = (p[3] >> 2)&0x01;
1924 i_ffc = ((p[3]&0x03) << 1)|((p[4]>>7)&0x01);
1925 if( i_rest > 4 && i_picture_coding_type == 3 )
1927 i_fbv = (p[4]>>6)&0x01;
1928 i_bfc = (p[4]>>3)&0x07;
1932 else if( *p <= 0xaf )
1939 for( i = 0; i < i_count; i++ )
1941 int i_payload = __MIN( i_max, i_data );
1942 block_t *out = block_New( p_stream,
1944 uint32_t h = ( i_temporal_ref << 16 )|
1945 ( b_sequence_start << 13 )|
1946 ( b_start_slice << 12 )|
1947 ( i == i_count - 1 ? 1 << 11 : 0 )|
1948 ( i_picture_coding_type << 8 )|
1949 ( i_fbv << 7 )|( i_bfc << 4 )|( i_ffv << 3 )|i_ffc;
1951 /* rtp common header */
1952 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
1953 in->i_pts > 0 ? in->i_pts : in->i_dts );
1955 /* 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 */
1956 out->p_buffer[12] = ( h >> 24 )&0xff;
1957 out->p_buffer[13] = ( h >> 16 )&0xff;
1958 out->p_buffer[14] = ( h >> 8 )&0xff;
1959 out->p_buffer[15] = ( h )&0xff;
1961 memcpy( &out->p_buffer[16], p_data, i_payload );
1963 out->i_buffer = 16 + i_payload;
1964 out->i_dts = in->i_dts + i * in->i_length / i_count;
1965 out->i_length = in->i_length / i_count;
1967 rtp_packetize_send( id, out );
1969 p_data += i_payload;
1970 i_data -= i_payload;
1975 static int rtp_packetize_ac3( sout_stream_t *p_stream, sout_stream_id_t *id,
1978 int i_max = id->i_mtu - 12 - 2; /* payload max in one packet */
1979 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
1981 uint8_t *p_data = in->p_buffer;
1982 int i_data = in->i_buffer;
1985 for( i = 0; i < i_count; i++ )
1987 int i_payload = __MIN( i_max, i_data );
1988 block_t *out = block_New( p_stream, 14 + i_payload );
1990 /* rtp common header */
1991 rtp_packetize_common( id, out, (i == i_count - 1)?1:0, in->i_pts );
1993 out->p_buffer[12] = 1;
1995 out->p_buffer[13] = 0x00;
1997 memcpy( &out->p_buffer[14], p_data, i_payload );
1999 out->i_buffer = 14 + i_payload;
2000 out->i_dts = in->i_dts + i * in->i_length / i_count;
2001 out->i_length = in->i_length / i_count;
2003 rtp_packetize_send( id, out );
2005 p_data += i_payload;
2006 i_data -= i_payload;
2012 static int rtp_packetize_split( sout_stream_t *p_stream, sout_stream_id_t *id,
2015 int i_max = id->i_mtu - 12; /* payload max in one packet */
2016 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2018 uint8_t *p_data = in->p_buffer;
2019 int i_data = in->i_buffer;
2022 for( i = 0; i < i_count; i++ )
2024 int i_payload = __MIN( i_max, i_data );
2025 block_t *out = block_New( p_stream, 12 + i_payload );
2027 /* rtp common header */
2028 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2029 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2030 memcpy( &out->p_buffer[12], p_data, i_payload );
2032 out->i_buffer = 12 + i_payload;
2033 out->i_dts = in->i_dts + i * in->i_length / i_count;
2034 out->i_length = in->i_length / i_count;
2036 rtp_packetize_send( id, out );
2038 p_data += i_payload;
2039 i_data -= i_payload;
2045 static int rtp_packetize_l16( sout_stream_t *p_stream, sout_stream_id_t *id,
2048 int i_max = id->i_mtu - 12; /* payload max in one packet */
2049 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2051 uint8_t *p_data = in->p_buffer;
2052 int i_data = in->i_buffer;
2057 int i_payload = (__MIN( i_max, i_data )/4)*4;
2058 block_t *out = block_New( p_stream, 12 + i_payload );
2060 /* rtp common header */
2061 rtp_packetize_common( id, out, 0,
2062 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2063 memcpy( &out->p_buffer[12], p_data, i_payload );
2065 out->i_buffer = 12 + i_payload;
2066 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
2067 out->i_length = in->i_length / i_count;
2069 rtp_packetize_send( id, out );
2071 p_data += i_payload;
2072 i_data -= i_payload;
2079 static int rtp_packetize_l8( sout_stream_t *p_stream, sout_stream_id_t *id,
2082 int i_max = id->i_mtu - 12; /* payload max in one packet */
2083 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2085 uint8_t *p_data = in->p_buffer;
2086 int i_data = in->i_buffer;
2091 int i_payload = (__MIN( i_max, i_data )/2)*2;
2092 block_t *out = block_New( p_stream, 12 + i_payload );
2094 /* rtp common header */
2095 rtp_packetize_common( id, out, 0,
2096 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2097 memcpy( &out->p_buffer[12], p_data, i_payload );
2099 out->i_buffer = 12 + i_payload;
2100 out->i_dts = in->i_dts + i_packet * in->i_length / i_count;
2101 out->i_length = in->i_length / i_count;
2103 rtp_packetize_send( id, out );
2105 p_data += i_payload;
2106 i_data -= i_payload;
2112 static int rtp_packetize_mp4a( sout_stream_t *p_stream, sout_stream_id_t *id,
2115 int i_max = id->i_mtu - 16; /* payload max in one packet */
2116 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2118 uint8_t *p_data = in->p_buffer;
2119 int i_data = in->i_buffer;
2122 for( i = 0; i < i_count; i++ )
2124 int i_payload = __MIN( i_max, i_data );
2125 block_t *out = block_New( p_stream, 16 + i_payload );
2127 /* rtp common header */
2128 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2129 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2131 /* AU headers length (bits) */
2132 out->p_buffer[12] = 0;
2133 out->p_buffer[13] = 2*8;
2134 /* for each AU length 13 bits + idx 3bits, */
2135 out->p_buffer[14] = ( in->i_buffer >> 5 )&0xff;
2136 out->p_buffer[15] = ( (in->i_buffer&0xff)<<3 )|0;
2138 memcpy( &out->p_buffer[16], p_data, i_payload );
2140 out->i_buffer = 16 + i_payload;
2141 out->i_dts = in->i_dts + i * in->i_length / i_count;
2142 out->i_length = in->i_length / i_count;
2144 rtp_packetize_send( id, out );
2146 p_data += i_payload;
2147 i_data -= i_payload;
2155 #define RTP_H263_HEADER_SIZE (2) // plen = 0
2156 #define RTP_H263_PAYLOAD_START (14) // plen = 0
2157 static int rtp_packetize_h263( sout_stream_t *p_stream, sout_stream_id_t *id,
2160 uint8_t *p_data = in->p_buffer;
2161 int i_data = in->i_buffer;
2163 int i_max = id->i_mtu - 12 - RTP_H263_HEADER_SIZE; /* payload max in one packet */
2166 int b_v_bit = 0; // no pesky error resilience
2167 int i_plen = 0; // normally plen=0 for PSC packet
2168 int i_pebit = 0; // because plen=0
2173 return VLC_EGENERIC;
2175 if( p_data[0] || p_data[1] )
2177 return VLC_EGENERIC;
2179 /* remove 2 leading 0 bytes */
2182 i_count = ( i_data + i_max - 1 ) / i_max;
2184 for( i = 0; i < i_count; i++ )
2186 int i_payload = __MIN( i_max, i_data );
2187 block_t *out = block_New( p_stream,
2188 RTP_H263_PAYLOAD_START + i_payload );
2189 b_p_bit = (i == 0) ? 1 : 0;
2190 h = ( b_p_bit << 10 )|
2195 /* rtp common header */
2196 //b_m_bit = 1; // always contains end of frame
2197 rtp_packetize_common( id, out, (i == i_count - 1)?1:0,
2198 in->i_pts > 0 ? in->i_pts : in->i_dts );
2201 out->p_buffer[12] = ( h >> 8 )&0xff;
2202 out->p_buffer[13] = ( h )&0xff;
2203 memcpy( &out->p_buffer[RTP_H263_PAYLOAD_START], p_data, i_payload );
2205 out->i_buffer = RTP_H263_PAYLOAD_START + i_payload;
2206 out->i_dts = in->i_dts + i * in->i_length / i_count;
2207 out->i_length = in->i_length / i_count;
2209 rtp_packetize_send( id, out );
2211 p_data += i_payload;
2212 i_data -= i_payload;
2218 static int rtp_packetize_amr( sout_stream_t *p_stream, sout_stream_id_t *id,
2221 int i_max = id->i_mtu - 14; /* payload max in one packet */
2222 int i_count = ( in->i_buffer + i_max - 1 ) / i_max;
2224 uint8_t *p_data = in->p_buffer;
2225 int i_data = in->i_buffer;
2228 /* Only supports octet-aligned mode */
2229 for( i = 0; i < i_count; i++ )
2231 int i_payload = __MIN( i_max, i_data );
2232 block_t *out = block_New( p_stream, 14 + i_payload );
2234 /* rtp common header */
2235 rtp_packetize_common( id, out, ((i == i_count - 1)?1:0),
2236 (in->i_pts > 0 ? in->i_pts : in->i_dts) );
2237 /* Payload header */
2238 out->p_buffer[12] = 0xF0; /* CMR */
2239 out->p_buffer[13] = 0x00; /* ToC */ /* FIXME: frame type */
2241 /* FIXME: are we fed multiple frames ? */
2242 memcpy( &out->p_buffer[14], p_data, i_payload );
2244 out->i_buffer = 14 + i_payload;
2245 out->i_dts = in->i_dts + i * in->i_length / i_count;
2246 out->i_length = in->i_length / i_count;
2248 rtp_packetize_send( id, out );
2250 p_data += i_payload;
2251 i_data -= i_payload;