1 /*****************************************************************************
2 * rtsp.c: rtsp VoD server module
3 *****************************************************************************
4 * Copyright (C) 2003-2006 the VideoLAN team
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * Gildas Bazin <gbazin@videolan.org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
33 #include <vlc/input.h>
36 #include "vlc_httpd.h"
42 /*****************************************************************************
44 *****************************************************************************/
45 static int Open ( vlc_object_t * );
46 static void Close( vlc_object_t * );
48 #define HOST_TEXT N_( "RTSP host address" )
49 /// \bug [String] extra space
50 #define HOST_LONGTEXT N_( \
51 "This defines the address, port and path the RTSP VOD server will listen " \
52 "on.\nSyntax is address:port/path. The default is to listen on all "\
53 "interfaces (address 0.0.0.0), on port 554, with no path.\n To listen " \
54 "only on the local interface, use \"localhost\" as address." )
56 #define THROTLE_TEXT N_( "Maximum number of connections" )
57 #define THROTLE_LONGTEXT N_( "This limits the maximum number of clients " \
58 "that can connect to the RTSP VOD. 0 means no limit." )
60 #define RAWMUX_TEXT N_( "MUX for RAW RTSP transport" )
63 set_shortname( _("RTSP VoD" ) );
64 set_description( _("RTSP VoD server") );
65 set_category( CAT_SOUT );
66 set_subcategory( SUBCAT_SOUT_VOD );
67 set_capability( "vod server", 1 );
68 set_callbacks( Open, Close );
69 add_shortcut( "rtsp" );
70 add_string ( "rtsp-host", NULL, NULL, HOST_TEXT, HOST_LONGTEXT, VLC_TRUE );
71 add_string( "rtsp-raw-mux", "ts", NULL, RAWMUX_TEXT, RAWMUX_TEXT, VLC_TRUE );
72 add_integer( "rtsp-throttle-users", 0, NULL, THROTLE_TEXT,
73 THROTLE_LONGTEXT, VLC_TRUE );
76 /*****************************************************************************
78 *****************************************************************************/
80 typedef struct media_es_t media_es_t;
84 media_es_t *p_media_es;
93 int64_t i_last; /* for timeout */
95 vlc_bool_t b_playing; /* is it in "play" state */
96 vlc_bool_t b_paused; /* is it in "pause" state */
99 rtsp_client_es_t **es;
109 httpd_url_t *p_rtsp_url;
111 vod_media_t *p_media;
115 uint8_t i_payload_type;
127 httpd_url_t *p_rtsp_url;
128 char *psz_rtsp_control_v4;
129 char *psz_rtsp_control_v6;
141 vlc_bool_t b_multicast;
153 rtsp_client_t **rtsp;
156 char *psz_session_name;
157 char *psz_session_description;
158 char *psz_session_url;
159 char *psz_session_email;
166 httpd_host_t *p_rtsp_host;
169 int i_throttle_users;
179 static vod_media_t *MediaNew( vod_t *, const char *, input_item_t * );
180 static void MediaDel( vod_t *, vod_media_t * );
181 static int MediaAddES( vod_t *, vod_media_t *, es_format_t * );
182 static void MediaDelES( vod_t *, vod_media_t *, es_format_t * );
184 static rtsp_client_t *RtspClientNew( vod_media_t *, char * );
185 static rtsp_client_t *RtspClientGet( vod_media_t *, char * );
186 static void RtspClientDel( vod_media_t *, rtsp_client_t * );
188 static int RtspCallback( httpd_callback_sys_t *, httpd_client_t *,
189 httpd_message_t *, httpd_message_t * );
190 static int RtspCallbackES( httpd_callback_sys_t *, httpd_client_t *,
191 httpd_message_t *, httpd_message_t * );
193 static char *SDPGenerate( const vod_media_t *, httpd_client_t *cl );
195 static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
197 static const char hex[16] = "0123456789abcdef";
200 for( i = 0; i < i_data; i++ )
202 s[2*i+0] = hex[(p_data[i]>>4)&0xf];
203 s[2*i+1] = hex[(p_data[i] )&0xf];
208 /*****************************************************************************
209 * Open: Starts the RTSP server module
210 *****************************************************************************/
211 static int Open( vlc_object_t *p_this )
213 vod_t *p_vod = (vod_t *)p_this;
214 vod_sys_t *p_sys = 0;
218 psz_url = config_GetPsz( p_vod, "rtsp-host" );
219 vlc_UrlParse( &url, psz_url, 0 );
220 if( psz_url ) free( psz_url );
222 if( url.i_port <= 0 ) url.i_port = 554;
224 p_vod->p_sys = p_sys = malloc( sizeof( vod_sys_t ) );
225 if( !p_sys ) goto error;
226 p_sys->p_rtsp_host = 0;
228 var_Create( p_this, "rtsp-throttle-users", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
229 p_sys->i_throttle_users = var_GetInteger( p_this, "rtsp-throtle-users" );
230 msg_Dbg( p_this, "allowing up to %d connections", p_sys->i_throttle_users );
231 p_sys->i_connections = 0;
233 var_Create( p_this, "rtsp-raw-mux", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
234 p_sys->psz_raw_mux = var_GetString( p_this, "rtsp-raw-mux" );
237 httpd_HostNew( VLC_OBJECT(p_vod), url.psz_host, url.i_port );
238 if( !p_sys->p_rtsp_host )
240 msg_Err( p_vod, "cannot create RTSP server (%s:%i)",
241 url.psz_host, url.i_port );
245 p_sys->psz_path = strdup( url.psz_path ? url.psz_path : "/" );
246 p_sys->i_port = url.i_port;
248 vlc_UrlClean( &url );
252 p_vod->pf_media_new = MediaNew;
253 p_vod->pf_media_del = MediaDel;
254 p_vod->pf_media_add_es = MediaAddES;
255 p_vod->pf_media_del_es = MediaDelES;
260 if( p_sys && p_sys->p_rtsp_host ) httpd_HostDelete( p_sys->p_rtsp_host );
261 if( p_sys && p_sys->psz_raw_mux ) free( p_sys->psz_raw_mux );
262 if( p_sys ) free( p_sys );
263 vlc_UrlClean( &url );
268 /*****************************************************************************
270 *****************************************************************************/
271 static void Close( vlc_object_t * p_this )
273 vod_t *p_vod = (vod_t *)p_this;
274 vod_sys_t *p_sys = p_vod->p_sys;
276 httpd_HostDelete( p_sys->p_rtsp_host );
277 var_Destroy( p_this, "rtsp-throttle-users" );
278 var_Destroy( p_this, "rtsp-raw-mux" );
280 /* TODO delete medias */
281 free( p_sys->psz_path );
282 free( p_sys->psz_raw_mux );
286 /*****************************************************************************
288 *****************************************************************************/
289 static vod_media_t *MediaNew( vod_t *p_vod, const char *psz_name,
290 input_item_t *p_item )
292 vod_sys_t *p_sys = p_vod->p_sys;
293 vod_media_t *p_media = malloc( sizeof(vod_media_t) );
298 msg_Err( p_vod, "not enough memory" );
302 memset( p_media, 0, sizeof(vod_media_t) );
304 p_media->psz_mux = 0;
306 p_media->b_raw = VLC_FALSE;
308 asprintf( &p_media->psz_rtsp_path, "%s%s", p_sys->psz_path, psz_name );
309 p_media->p_rtsp_url =
310 httpd_UrlNewUnique( p_sys->p_rtsp_host, p_media->psz_rtsp_path, NULL,
313 if( !p_media->p_rtsp_url )
315 msg_Err( p_vod, "cannot create RTSP url (%s)", p_media->psz_rtsp_path);
316 free( p_media->psz_rtsp_path );
321 msg_Dbg( p_vod, "created RTSP url: %s", p_media->psz_rtsp_path );
323 asprintf( &p_media->psz_rtsp_control_v4,
324 "a=control:rtsp://%%s:%d%s/trackID=%%d\r\n",
325 p_sys->i_port, p_media->psz_rtsp_path );
326 asprintf( &p_media->psz_rtsp_control_v6,
327 "a=control:rtsp://[%%s]:%d%s/trackID=%%d\r\n",
328 p_sys->i_port, p_media->psz_rtsp_path );
330 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_SETUP,
331 RtspCallback, (void*)p_media );
332 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_DESCRIBE,
333 RtspCallback, (void*)p_media );
334 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_PLAY,
335 RtspCallback, (void*)p_media );
336 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_PAUSE,
337 RtspCallback, (void*)p_media );
338 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_GETPARAMETER,
339 RtspCallback, (void*)p_media );
340 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_TEARDOWN,
341 RtspCallback, (void*)p_media );
343 p_media->p_vod = p_vod;
345 TAB_APPEND( p_sys->i_media, p_sys->media, p_media );
347 vlc_mutex_init( p_vod, &p_media->lock );
348 p_media->psz_session_name = strdup("");
349 p_media->psz_session_description = strdup("");
350 p_media->psz_session_url = strdup("");
351 p_media->psz_session_email = strdup("");
353 p_media->i_port_audio = 1234;
354 p_media->i_port_video = 1236;
355 p_media->i_port = 1238;
356 p_media->i_payload_type = 96;
358 p_media->i_sdp_id = mdate();
359 p_media->i_sdp_version = 1;
360 p_media->i_length = p_item->i_duration;
362 vlc_mutex_lock( &p_item->lock );
363 msg_Dbg( p_vod, "media has %i declared ES", p_item->i_es );
364 for( i = 0; i < p_item->i_es; i++ )
366 MediaAddES( p_vod, p_media, p_item->es[i] );
368 vlc_mutex_unlock( &p_item->lock );
373 static void MediaDel( vod_t *p_vod, vod_media_t *p_media )
375 vod_sys_t *p_sys = p_vod->p_sys;
377 msg_Dbg( p_vod, "deleting media: %s", p_media->psz_rtsp_path );
379 while( p_media->i_rtsp > 0 ) RtspClientDel( p_media, p_media->rtsp[0] );
380 httpd_UrlDelete( p_media->p_rtsp_url );
381 if( p_media->psz_rtsp_path ) free( p_media->psz_rtsp_path );
382 if( p_media->psz_rtsp_control_v6 ) free( p_media->psz_rtsp_control_v6 );
383 if( p_media->psz_rtsp_control_v4 ) free( p_media->psz_rtsp_control_v4 );
385 TAB_REMOVE( p_sys->i_media, p_sys->media, p_media );
387 while( p_media->i_es ) MediaDelES( p_vod, p_media, &p_media->es[0]->fmt );
389 vlc_mutex_destroy( &p_media->lock );
390 free( p_media->psz_session_name );
391 free( p_media->psz_session_description );
392 free( p_media->psz_session_url );
393 free( p_media->psz_session_email );
397 static int MediaAddES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt )
399 media_es_t *p_es = malloc( sizeof(media_es_t) );
402 memset( p_es, 0, sizeof(media_es_t) );
403 p_media->psz_mux = NULL;
405 /* TODO: update SDP, etc... */
406 asprintf( &psz_urlc, "%s/trackID=%d",
407 p_media->psz_rtsp_path, p_media->i_es );
408 msg_Dbg( p_vod, " - ES %4.4s (%s)", (char *)&p_fmt->i_codec, psz_urlc );
410 switch( p_fmt->i_codec )
412 case VLC_FOURCC( 's', '1', '6', 'b' ):
413 if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
415 p_es->i_payload_type = 11;
417 else if( p_fmt->audio.i_channels == 2 && p_fmt->audio.i_rate == 44100 )
419 p_es->i_payload_type = 10;
423 p_es->i_payload_type = p_media->i_payload_type++;
425 p_es->psz_rtpmap = malloc( strlen( "L16/*/*" ) + 20+1 );
426 sprintf( p_es->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
427 p_fmt->audio.i_channels );
429 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
430 p_es->i_payload_type = p_media->i_payload_type++;
431 p_es->psz_rtpmap = malloc( strlen( "L8/*/*" ) + 20+1 );
432 sprintf( p_es->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
433 p_fmt->audio.i_channels );
435 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
436 p_es->i_payload_type = 14;
437 p_es->psz_rtpmap = strdup( "MPA/90000" );
439 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
440 p_es->i_payload_type = 32;
441 p_es->psz_rtpmap = strdup( "MPV/90000" );
443 case VLC_FOURCC( 'a', '5', '2', ' ' ):
444 p_es->i_payload_type = p_media->i_payload_type++;
445 p_es->psz_rtpmap = strdup( "ac3/90000" );
447 case VLC_FOURCC( 'H', '2', '6', '3' ):
448 p_es->i_payload_type = p_media->i_payload_type++;
449 p_es->psz_rtpmap = strdup( "H263-1998/90000" );
451 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
452 p_es->i_payload_type = p_media->i_payload_type++;
453 p_es->psz_rtpmap = strdup( "MP4V-ES/90000" );
454 if( p_fmt->i_extra > 0 )
456 char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
457 p_es->psz_fmtp = malloc( 100 + 2 * p_fmt->i_extra );
458 sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
459 sprintf( p_es->psz_fmtp,
460 "profile-level-id=3; config=%s;", p_hexa );
464 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
465 p_es->i_payload_type = p_media->i_payload_type++;
466 p_es->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
467 sprintf( p_es->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
468 if( p_fmt->i_extra > 0 )
470 char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
471 p_es->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
472 sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
473 sprintf( p_es->psz_fmtp,
474 "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
475 "config=%s; SizeLength=13;IndexLength=3; "
476 "IndexDeltaLength=3; Profile=1;", p_hexa );
480 case VLC_FOURCC( 'm', 'p', '2', 't' ):
481 p_media->psz_mux = "ts";
482 p_es->i_payload_type = 33;
483 p_es->psz_rtpmap = strdup( "MP2T/90000" );
485 case VLC_FOURCC( 'm', 'p', '2', 'p' ):
486 p_media->psz_mux = "ps";
487 p_es->i_payload_type = p_media->i_payload_type++;
488 p_es->psz_rtpmap = strdup( "MP2P/90000" );
490 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
491 p_es->i_payload_type = p_media->i_payload_type++;
492 p_es->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
493 "AMR/8000/2" : "AMR/8000" );
494 p_es->psz_fmtp = strdup( "octet-align=1" );
496 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
497 p_es->i_payload_type = p_media->i_payload_type++;
498 p_es->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
499 "AMR-WB/16000/2" : "AMR-WB/16000" );
500 p_es->psz_fmtp = strdup( "octet-align=1" );
504 msg_Err( p_vod, "cannot add this stream (unsupported "
505 "codec: %4.4s)", (char*)&p_fmt->i_codec );
511 httpd_UrlNewUnique( p_vod->p_sys->p_rtsp_host, psz_urlc, NULL, NULL,
514 if( !p_es->p_rtsp_url )
516 msg_Err( p_vod, "cannot create RTSP url (%s)", psz_urlc );
523 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_SETUP,
524 RtspCallbackES, (void*)p_es );
525 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_TEARDOWN,
526 RtspCallbackES, (void*)p_es );
527 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PLAY,
528 RtspCallbackES, (void*)p_es );
529 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PAUSE,
530 RtspCallbackES, (void*)p_es );
532 es_format_Copy( &p_es->fmt, p_fmt );
534 p_es->p_media = p_media;
537 /* Choose the port */
538 if( p_fmt->i_cat == AUDIO_ES && p_media->i_port_audio > 0 )
540 p_es->i_port = p_media->i_port_audio;
541 p_media->i_port_audio = 0;
543 else if( p_fmt->i_cat == VIDEO_ES && p_media->i_port_video > 0 )
545 p_es->i_port = p_media->i_port_video;
546 p_media->i_port_video = 0;
548 while( !p_es->i_port )
550 if( p_media->i_port != p_media->i_port_audio &&
551 p_media->i_port != p_media->i_port_video )
553 p_es->i_port = p_media->i_port;
554 p_media->i_port += 2;
557 p_media->i_port += 2;
564 vlc_mutex_lock( &p_media->lock );
565 TAB_APPEND( p_media->i_es, p_media->es, p_es );
566 vlc_mutex_unlock( &p_media->lock );
568 p_media->i_sdp_version++;
573 static void MediaDelES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt)
575 media_es_t *p_es = 0;
579 for( i = 0; i < p_media->i_es; i++ )
581 if( p_media->es[i]->fmt.i_cat == p_fmt->i_cat &&
582 p_media->es[i]->fmt.i_codec == p_fmt->i_codec &&
583 p_media->es[i]->fmt.i_id == p_fmt->i_id )
585 p_es = p_media->es[i];
590 msg_Dbg( p_vod, " - Removing ES %4.4s", (char *)&p_fmt->i_codec );
592 vlc_mutex_lock( &p_media->lock );
593 TAB_REMOVE( p_media->i_es, p_media->es, p_es );
594 vlc_mutex_unlock( &p_media->lock );
596 if( p_es->psz_rtpmap ) free( p_es->psz_rtpmap );
597 if( p_es->psz_fmtp ) free( p_es->psz_fmtp );
598 p_media->i_sdp_version++;
600 if( p_es->p_rtsp_url ) httpd_UrlDelete( p_es->p_rtsp_url );
601 es_format_Clean( &p_es->fmt );
604 /****************************************************************************
605 * RTSP server implementation
606 ****************************************************************************/
607 static rtsp_client_t *RtspClientNew( vod_media_t *p_media, char *psz_session )
609 rtsp_client_t *p_rtsp = malloc( sizeof(rtsp_client_t) );
611 if( !p_rtsp ) return NULL;
612 memset( p_rtsp, 0, sizeof(rtsp_client_t) );
615 p_rtsp->psz_session = psz_session;
616 TAB_APPEND( p_media->i_rtsp, p_media->rtsp, p_rtsp );
618 p_media->p_vod->p_sys->i_connections++;
619 msg_Dbg( p_media->p_vod, "new session: %s, connections: %d",
620 psz_session, p_media->p_vod->p_sys->i_throttle_users );
625 static rtsp_client_t *RtspClientGet( vod_media_t *p_media, char *psz_session )
629 for( i = 0; psz_session && i < p_media->i_rtsp; i++ )
631 if( !strcmp( p_media->rtsp[i]->psz_session, psz_session ) )
633 return p_media->rtsp[i];
640 static void RtspClientDel( vod_media_t *p_media, rtsp_client_t *p_rtsp )
642 p_media->p_vod->p_sys->i_connections--;
643 msg_Dbg( p_media->p_vod, "closing session: %s, connections: %d",
644 p_rtsp->psz_session, p_media->p_vod->p_sys->i_throttle_users );
646 while( p_rtsp->i_es-- )
648 if( p_rtsp->es[p_rtsp->i_es]->psz_ip )
649 free( p_rtsp->es[p_rtsp->i_es]->psz_ip );
650 free( p_rtsp->es[p_rtsp->i_es] );
651 if( !p_rtsp->i_es ) free( p_rtsp->es );
654 TAB_REMOVE( p_media->i_rtsp, p_media->rtsp, p_rtsp );
656 free( p_rtsp->psz_session );
660 static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
661 httpd_message_t *answer, httpd_message_t *query )
663 vod_media_t *p_media = (vod_media_t*)p_args;
664 vod_t *p_vod = p_media->p_vod;
665 char *psz_transport = NULL;
666 char *psz_playnow = NULL; /* support option: x-playNow */
667 char *psz_session = NULL;
668 char *psz_cseq = NULL;
669 rtsp_client_t *p_rtsp;
673 if( answer == NULL || query == NULL ) return VLC_SUCCESS;
675 msg_Dbg( p_vod, "RtspCallback query: type=%d", query->i_type );
677 answer->i_proto = HTTPD_PROTO_RTSP;
678 answer->i_version = query->i_version;
679 answer->i_type = HTTPD_MSG_ANSWER;
681 answer->p_body = NULL;
683 switch( query->i_type )
685 case HTTPD_MSG_SETUP:
687 psz_playnow = httpd_MsgGet( query, "x-playNow" );
688 psz_transport = httpd_MsgGet( query, "Transport" );
689 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: transport=%s", psz_transport );
691 if( strstr( psz_transport, "unicast" ) &&
692 strstr( psz_transport, "client_port=" ) )
694 rtsp_client_t *p_rtsp;
695 char ip[NI_MAXNUMERICHOST];
696 i_port = atoi( strstr( psz_transport, "client_port=" ) +
697 strlen("client_port=") );
699 if( strstr( psz_transport, "MP2T/H2221/UDP" ) ||
700 strstr( psz_transport, "RAW/RAW/UDP" ) )
702 p_media->psz_mux = p_vod->p_sys->psz_raw_mux;
703 p_media->b_raw = VLC_TRUE;
706 if( httpd_ClientIP( cl, ip ) == NULL )
708 answer->i_status = 500;
709 answer->psz_status = strdup( "Internal server error" );
711 answer->p_body = NULL;
715 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: unicast ip=%s port=%d",
718 psz_session = httpd_MsgGet( query, "Session" );
719 if( !psz_session || !*psz_session )
721 if( ( p_vod->p_sys->i_throttle_users > 0 ) &&
722 ( p_vod->p_sys->i_connections >= p_vod->p_sys->i_throttle_users ) )
724 answer->i_status = 503;
725 answer->psz_status = strdup( "Too many connections" );
727 answer->p_body = NULL;
730 asprintf( &psz_session, "%d", rand() );
731 p_rtsp = RtspClientNew( p_media, psz_session );
735 p_rtsp = RtspClientGet( p_media, psz_session );
738 answer->i_status = 454;
739 answer->psz_status = strdup( "Unknown session id" );
741 answer->p_body = NULL;
746 answer->i_status = 200;
747 answer->psz_status = strdup( "OK" );
749 answer->p_body = NULL;
753 if( strstr( psz_transport, "MP2T/H2221/UDP" ) )
755 httpd_MsgAdd( answer, "Transport", "MP2T/H2221/UDP;client_port=%d-%d",
756 i_port, i_port + 1 );
758 else if( strstr( psz_transport, "RAW/RAW/UDP" ) )
760 httpd_MsgAdd( answer, "Transport", "RAW/RAW/UDP;client_port=%d-%d",
761 i_port, i_port + 1 );
765 httpd_MsgAdd( answer, "Transport", "RTP/AVP/UDP;client_port=%d-%d",
766 i_port, i_port + 1 );
768 else /* TODO strstr( psz_transport, "interleaved" ) ) */
770 answer->i_status = 461;
771 answer->psz_status = strdup( "Unsupported Transport" );
773 answer->p_body = NULL;
776 /* Intentional fall-through on x-playNow option in RTSP request */
783 char *psz_output, ip[NI_MAXNUMERICHOST];
784 int i, i_port_audio = 0, i_port_video = 0;
786 /* for now only multicast so easy */
789 answer->i_status = 200;
790 answer->psz_status = strdup( "OK" );
792 answer->p_body = NULL;
796 psz_session = httpd_MsgGet( query, "Session" );
797 msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session );
799 p_rtsp = RtspClientGet( p_media, psz_session );
802 if( p_rtsp->b_playing && p_rtsp->b_paused )
804 vod_MediaControl( p_vod, p_media, psz_session,
806 p_rtsp->b_paused = VLC_FALSE;
809 else if( p_rtsp->b_playing ) break;
811 if( httpd_ClientIP( cl, ip ) == NULL ) break;
813 p_rtsp->b_playing = VLC_TRUE;
815 /* FIXME for != 1 video and 1 audio */
816 for( i = 0; i < p_rtsp->i_es; i++ )
818 if( p_rtsp->es[i]->p_media_es->fmt.i_cat == AUDIO_ES )
819 i_port_audio = p_rtsp->es[i]->i_port;
820 if( p_rtsp->es[i]->p_media_es->fmt.i_cat == VIDEO_ES )
821 i_port_video = p_rtsp->es[i]->i_port;
824 if( p_media->psz_mux )
828 asprintf( &psz_output, "std{access=udp,dst=%s:%i,mux=%s}",
829 ip, i_port, p_media->psz_mux );
833 asprintf( &psz_output, "rtp{dst=%s,port=%i,mux=%s}",
834 ip, i_port_video, p_media->psz_mux );
839 asprintf( &psz_output, "rtp{dst=%s,port-video=%i,"
840 "port-audio=%i}", ip, i_port_video, i_port_audio );
843 vod_MediaControl( p_vod, p_media, psz_session, VOD_MEDIA_PLAY,
849 case HTTPD_MSG_DESCRIBE:
852 SDPGenerate( p_media, cl );
854 if( psz_sdp != NULL )
856 answer->i_status = 200;
857 answer->psz_status = strdup( "OK" );
858 httpd_MsgAdd( answer, "Content-type", "%s", "application/sdp" );
860 answer->p_body = (uint8_t *)psz_sdp;
861 answer->i_body = strlen( psz_sdp );
865 answer->i_status = 500;
866 answer->psz_status = strdup( "Internal server error" );
867 answer->p_body = NULL;
873 case HTTPD_MSG_PAUSE:
874 psz_session = httpd_MsgGet( query, "Session" );
875 msg_Dbg( p_vod, "HTTPD_MSG_PAUSE for session: %s", psz_session );
877 p_rtsp = RtspClientGet( p_media, psz_session );
880 vod_MediaControl( p_vod, p_media, psz_session, VOD_MEDIA_PAUSE );
881 p_rtsp->b_paused = VLC_TRUE;
883 answer->i_status = 200;
884 answer->psz_status = strdup( "OK" );
886 answer->p_body = NULL;
889 case HTTPD_MSG_TEARDOWN:
890 /* for now only multicast so easy again */
891 answer->i_status = 200;
892 answer->psz_status = strdup( "OK" );
894 answer->p_body = NULL;
896 psz_session = httpd_MsgGet( query, "Session" );
897 msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
899 p_rtsp = RtspClientGet( p_media, psz_session );
902 vod_MediaControl( p_vod, p_media, psz_session, VOD_MEDIA_STOP );
903 RtspClientDel( p_media, p_rtsp );
906 case HTTPD_MSG_GETPARAMETER:
907 answer->i_status = 200;
908 answer->psz_status = strdup( "OK" );
910 answer->p_body = NULL;
917 httpd_MsgAdd( answer, "Server", "VLC Server" );
918 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
919 psz_cseq = httpd_MsgGet( query, "Cseq" );
920 psz_cseq ? i_cseq = atoi( psz_cseq ) : 0;
921 httpd_MsgAdd( answer, "CSeq", "%d", i_cseq );
922 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
926 httpd_MsgAdd( answer, "Session", "%s;timeout=5", psz_session );
932 static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl,
933 httpd_message_t *answer, httpd_message_t *query )
935 media_es_t *p_es = (media_es_t*)p_args;
936 vod_media_t *p_media = p_es->p_media;
937 vod_t *p_vod = p_media->p_vod;
938 rtsp_client_t *p_rtsp = NULL;
939 char *psz_transport = NULL;
940 char *psz_playnow = NULL; /* support option: x-playNow */
941 char *psz_session = NULL;
942 char *psz_position = NULL;
943 char *psz_cseq = NULL;
947 if( answer == NULL || query == NULL ) return VLC_SUCCESS;
949 msg_Dbg( p_vod, "RtspCallback query: type=%d", query->i_type );
951 answer->i_proto = HTTPD_PROTO_RTSP;
952 answer->i_version = query->i_version;
953 answer->i_type = HTTPD_MSG_ANSWER;
955 answer->p_body = NULL;
957 switch( query->i_type )
959 case HTTPD_MSG_SETUP:
960 psz_playnow = httpd_MsgGet( query, "x-playNow" );
961 psz_transport = httpd_MsgGet( query, "Transport" );
963 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: transport=%s", psz_transport );
965 if( strstr( psz_transport, "unicast" ) &&
966 strstr( psz_transport, "client_port=" ) )
968 rtsp_client_t *p_rtsp;
969 rtsp_client_es_t *p_rtsp_es;
970 char ip[NI_MAXNUMERICHOST];
971 int i_port = atoi( strstr( psz_transport, "client_port=" ) +
972 strlen("client_port=") );
974 if( httpd_ClientIP( cl, ip ) == NULL )
976 answer->i_status = 500;
977 answer->psz_status = strdup( "Internal server error" );
979 answer->p_body = NULL;
983 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: unicast ip=%s port=%d",
986 psz_session = httpd_MsgGet( query, "Session" );
987 if( !psz_session || !*psz_session )
989 if( ( p_vod->p_sys->i_throttle_users > 0 ) &&
990 ( p_vod->p_sys->i_connections >= p_vod->p_sys->i_throttle_users ) )
992 answer->i_status = 503;
993 answer->psz_status = strdup( "Too many connections" );
995 answer->p_body = NULL;
998 asprintf( &psz_session, "%d", rand() );
999 p_rtsp = RtspClientNew( p_media, psz_session );
1003 p_rtsp = RtspClientGet( p_media, psz_session );
1006 answer->i_status = 454;
1007 answer->psz_status = strdup( "Unknown session id" );
1009 answer->p_body = NULL;
1014 p_rtsp_es = malloc( sizeof(rtsp_client_es_t) );
1015 p_rtsp_es->i_port = i_port;
1016 p_rtsp_es->psz_ip = strdup( ip );
1017 p_rtsp_es->p_media_es = p_es;
1018 TAB_APPEND( p_rtsp->i_es, p_rtsp->es, p_rtsp_es );
1020 answer->i_status = 200;
1021 answer->psz_status = strdup( "OK" );
1023 answer->p_body = NULL;
1025 if( p_media->b_raw )
1027 if( strstr( psz_transport, "MP2T/H2221/UDP" ) )
1029 httpd_MsgAdd( answer, "Transport", "MP2T/H2221/UDP;client_port=%d-%d",
1030 i_port, i_port + 1 );
1032 else if( strstr( psz_transport, "RAW/RAW/UDP" ) )
1034 httpd_MsgAdd( answer, "Transport", "RAW/RAW/UDP;client_port=%d-%d",
1035 i_port, i_port + 1 );
1040 httpd_MsgAdd( answer, "Transport", "RTP/AVP/UDP;client_port=%d-%d",
1041 i_port, i_port + 1 );
1044 else /* TODO strstr( psz_transport, "interleaved" ) ) */
1046 answer->i_status = 461;
1047 answer->psz_status = strdup( "Unsupported Transport" );
1049 answer->p_body = NULL;
1052 /* Intentional fall-through on x-playNow option in RTSP request */
1056 case HTTPD_MSG_PLAY:
1057 /* This is kind of a kludge. Should we only support Aggregate
1059 psz_session = httpd_MsgGet( query, "Session" );
1060 msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session );
1062 p_rtsp = RtspClientGet( p_media, psz_session );
1064 psz_position = httpd_MsgGet( query, "Range" );
1065 if( psz_position ) psz_position = strstr( psz_position, "npt=" );
1071 msg_Dbg( p_vod, "seeking request: %s", psz_position );
1074 /* FIXME: npt= is not necessarily formatted as a float */
1075 f_pos = us_strtod( psz_position, &end );
1076 if( end > psz_position )
1078 f_pos /= ((double)(p_media->i_length))/1000 /1000 / 100;
1079 vod_MediaControl( p_vod, p_media, psz_session,
1080 VOD_MEDIA_SEEK, f_pos );
1086 answer->i_status = 200;
1087 answer->psz_status = strdup( "OK" );
1089 answer->p_body = NULL;
1093 case HTTPD_MSG_TEARDOWN:
1094 answer->i_status = 200;
1095 answer->psz_status = strdup( "OK" );
1097 answer->p_body = NULL;
1099 psz_session = httpd_MsgGet( query, "Session" );
1100 msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
1102 p_rtsp = RtspClientGet( p_media, psz_session );
1103 if( !p_rtsp ) break;
1105 for( i = 0; i < p_rtsp->i_es; i++ )
1107 if( p_rtsp->es[i]->p_media_es == p_es )
1109 if( p_rtsp->es[i]->psz_ip ) free( p_rtsp->es[i]->psz_ip );
1110 TAB_REMOVE( p_rtsp->i_es, p_rtsp->es, p_rtsp->es[i] );
1117 vod_MediaControl( p_vod, p_media, psz_session,
1119 RtspClientDel( p_media, p_rtsp );
1123 case HTTPD_MSG_PAUSE:
1124 /* This is kind of a kludge. Should we only support Aggregate
1126 psz_session = httpd_MsgGet( query, "Session" );
1127 msg_Dbg( p_vod, "HTTPD_MSG_PAUSE for session: %s", psz_session );
1129 p_rtsp = RtspClientGet( p_media, psz_session );
1130 if( !p_rtsp ) break;
1132 vod_MediaControl( p_vod, p_media, psz_session, VOD_MEDIA_PAUSE );
1133 p_rtsp->b_paused = VLC_TRUE;
1135 answer->i_status = 200;
1136 answer->psz_status = strdup( "OK" );
1138 answer->p_body = NULL;
1142 return VLC_EGENERIC;
1146 httpd_MsgAdd( answer, "Server", "VLC Server" );
1147 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1148 psz_cseq = httpd_MsgGet( query, "Cseq" );
1150 i_cseq = atoi( psz_cseq );
1153 httpd_MsgAdd( answer, "Cseq", "%d", i_cseq );
1154 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1157 httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
1162 /*****************************************************************************
1164 * FIXME: need to be moved to a common place ?
1165 *****************************************************************************/
1166 static char *SDPGenerate( const vod_media_t *p_media, httpd_client_t *cl )
1169 char *p, *psz_sdp, ip[NI_MAXNUMERICHOST], ipv;
1170 const char *psz_control;
1172 if( httpd_ServerIP( cl, ip ) == NULL )
1175 p = strchr( ip, '%' );
1177 *p = '\0'; /* remove scope if present */
1179 ipv = ( strchr( ip, ':' ) != NULL ) ? '6' : '4';
1181 /* Calculate size */
1182 i_size = sizeof( "v=0\r\n" ) +
1183 sizeof( "o=- * * IN IP4 \r\n" ) + 10 + NI_MAXNUMERICHOST +
1184 sizeof( "s=*\r\n" ) + strlen( p_media->psz_session_name ) +
1185 sizeof( "i=*\r\n" ) + strlen( p_media->psz_session_description ) +
1186 sizeof( "u=*\r\n" ) + strlen( p_media->psz_session_url ) +
1187 sizeof( "e=*\r\n" ) + strlen( p_media->psz_session_email ) +
1188 sizeof( "t=0 0\r\n" ) + /* FIXME */
1189 sizeof( "a=tool:"PACKAGE_STRING"\r\n" ) +
1190 sizeof( "c=IN IP4 0.0.0.0\r\n" ) + 20 + 10 +
1191 sizeof( "a=range:npt=0-1000000000.000\r\n" );
1193 psz_control = (ipv == '6') ? p_media->psz_rtsp_control_v6
1194 : p_media->psz_rtsp_control_v4;
1195 for( i = 0; i < p_media->i_es; i++ )
1197 media_es_t *p_es = p_media->es[i];
1199 i_size += sizeof( "m=**d*o * RTP/AVP *\r\n" ) + 19;
1200 if( p_es->psz_rtpmap )
1202 i_size += sizeof( "a=rtpmap:* *\r\n" ) +
1203 strlen( p_es->psz_rtpmap ) + 9;
1205 if( p_es->psz_fmtp )
1207 i_size += sizeof( "a=fmtp:* *\r\n" ) +
1208 strlen( p_es->psz_fmtp ) + 9;
1211 i_size += (strlen( psz_control ) + strlen( ip ) + 9) * p_media->i_es;
1213 p = psz_sdp = malloc( i_size );
1214 p += sprintf( p, "v=0\r\n" );
1215 p += sprintf( p, "o=- "I64Fd" %d IN IP%c %s\r\n",
1216 p_media->i_sdp_id, p_media->i_sdp_version, ipv, ip );
1217 if( *p_media->psz_session_name )
1218 p += sprintf( p, "s=%s\r\n", p_media->psz_session_name );
1219 if( *p_media->psz_session_description )
1220 p += sprintf( p, "i=%s\r\n", p_media->psz_session_description );
1221 if( *p_media->psz_session_url )
1222 p += sprintf( p, "u=%s\r\n", p_media->psz_session_url );
1223 if( *p_media->psz_session_email )
1224 p += sprintf( p, "e=%s\r\n", p_media->psz_session_email );
1226 p += sprintf( p, "t=0 0\r\n" ); /* FIXME */
1227 p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" );
1229 p += sprintf( p, "c=IN IP%c %s\r\n", ipv, ipv == '6' ? "::" : "0.0.0.0" );
1231 if( p_media->i_length > 0 )
1233 lldiv_t d = lldiv( p_media->i_length / 1000, 1000 );
1234 p += sprintf( p, "a=range:npt=0-"I64Fd".%03u\r\n", d.quot,
1238 for( i = 0; i < p_media->i_es; i++ )
1240 media_es_t *p_es = p_media->es[i];
1242 if( p_es->fmt.i_cat == AUDIO_ES )
1244 p += sprintf( p, "m=audio %d RTP/AVP %d\r\n",
1245 p_es->i_port, p_es->i_payload_type );
1247 else if( p_es->fmt.i_cat == VIDEO_ES )
1249 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
1250 p_es->i_port, p_es->i_payload_type );
1257 if( p_es->psz_rtpmap )
1259 p += sprintf( p, "a=rtpmap:%d %s\r\n", p_es->i_payload_type,
1262 if( p_es->psz_fmtp )
1264 p += sprintf( p, "a=fmtp:%d %s\r\n", p_es->i_payload_type,
1268 p += sprintf( p, psz_control, ip, i );