1 /*****************************************************************************
2 * rtsp.c: rtsp VoD server module
3 *****************************************************************************
4 * Copyright (C) 2003-2004 VideoLAN
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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
33 #include <vlc/input.h>
36 #include "vlc_httpd.h"
40 /*****************************************************************************
42 *****************************************************************************/
43 static int Open ( vlc_object_t * );
44 static void Close( vlc_object_t * );
46 #define HOST_TEXT N_( "Host address" )
47 #define HOST_LONGTEXT N_( \
48 "You can set the address, port and path the rtsp interface will bind to." )
51 set_description( _("RTSP VoD server") );
52 set_category( CAT_SOUT );
53 set_subcategory( SUBCAT_SOUT_VOD );
54 set_capability( "vod server", 1 );
55 set_callbacks( Open, Close );
56 add_shortcut( "rtsp" );
57 add_string ( "rtsp-host", NULL, NULL, HOST_TEXT, HOST_LONGTEXT, VLC_TRUE );
60 /*****************************************************************************
62 *****************************************************************************/
64 typedef struct media_es_t media_es_t;
68 media_es_t *p_media_es;
77 int64_t i_last; /* for timeout */
79 vlc_bool_t b_playing; /* is it in "play" state */
80 vlc_bool_t b_paused; /* is it in "pause" state */
83 rtsp_client_es_t **es;
93 httpd_url_t *p_rtsp_url;
99 uint8_t i_payload_type;
111 httpd_url_t *p_rtsp_url;
112 char *psz_rtsp_control;
115 char *psz_destination;
125 vlc_bool_t b_multicast;
136 rtsp_client_t **rtsp;
139 char *psz_session_name;
140 char *psz_session_description;
141 char *psz_session_url;
142 char *psz_session_email;
149 httpd_host_t *p_rtsp_host;
159 static vod_media_t *MediaNew( vod_t *, char *, input_item_t * );
160 static void MediaDel( vod_t *, vod_media_t * );
161 static int MediaAddES( vod_t *, vod_media_t *, es_format_t * );
162 static void MediaDelES( vod_t *, vod_media_t *, es_format_t * );
164 static rtsp_client_t *RtspClientNew( vod_media_t *, char * );
165 static rtsp_client_t *RtspClientGet( vod_media_t *, char * );
166 static void RtspClientDel( vod_media_t *, rtsp_client_t * );
168 static int RtspCallback( httpd_callback_sys_t *, httpd_client_t *,
169 httpd_message_t *, httpd_message_t * );
170 static int RtspCallbackES( httpd_callback_sys_t *, httpd_client_t *,
171 httpd_message_t *, httpd_message_t * );
173 static char *SDPGenerate( vod_media_t *, char * );
175 static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
177 static const char hex[16] = "0123456789abcdef";
180 for( i = 0; i < i_data; i++ )
182 s[2*i+0] = hex[(p_data[i]>>4)&0xf];
183 s[2*i+1] = hex[(p_data[i] )&0xf];
188 /*****************************************************************************
189 * Open: Starts the RTSP server module
190 *****************************************************************************/
191 static int Open( vlc_object_t *p_this )
193 vod_t *p_vod = (vod_t *)p_this;
194 vod_sys_t *p_sys = 0;
198 psz_url = config_GetPsz( p_vod, "rtsp-host" );
199 vlc_UrlParse( &url, psz_url, 0 );
200 if( psz_url ) free( psz_url );
202 if( !url.psz_host || !*url.psz_host )
204 if( url.psz_host ) free( url.psz_host );
205 url.psz_host = strdup( "localhost" );
207 if( url.i_port <= 0 ) url.i_port = 554;
209 p_vod->p_sys = p_sys = malloc( sizeof( vod_sys_t ) );
210 if( !p_sys ) goto error;
211 p_sys->p_rtsp_host = 0;
214 httpd_HostNew( VLC_OBJECT(p_vod), url.psz_host, url.i_port );
215 if( !p_sys->p_rtsp_host )
217 msg_Err( p_vod, "cannot create http server (%s:%i)",
218 url.psz_host, url.i_port );
222 p_sys->psz_host = strdup( url.psz_host );
223 p_sys->psz_path = strdup( url.psz_path ? url.psz_path : "/" );
224 p_sys->i_port = url.i_port;
226 vlc_UrlClean( &url );
230 p_vod->pf_media_new = MediaNew;
231 p_vod->pf_media_del = MediaDel;
232 p_vod->pf_media_add_es = MediaAddES;
233 p_vod->pf_media_del_es = MediaDelES;
239 if( p_sys && p_sys->p_rtsp_host ) httpd_HostDelete( p_sys->p_rtsp_host );
240 if( p_sys ) free( p_sys );
241 vlc_UrlClean( &url );
245 /*****************************************************************************
247 *****************************************************************************/
248 static void Close( vlc_object_t * p_this )
250 vod_t *p_vod = (vod_t *)p_this;
251 vod_sys_t *p_sys = p_vod->p_sys;
253 httpd_HostDelete( p_sys->p_rtsp_host );
255 /* TODO delete medias */
260 /*****************************************************************************
262 *****************************************************************************/
263 static vod_media_t *MediaNew( vod_t *p_vod, char *psz_name,
264 input_item_t *p_item )
266 vod_sys_t *p_sys = p_vod->p_sys;
267 vod_media_t *p_media = malloc( sizeof(vod_media_t) );
270 memset( p_media, 0, sizeof(vod_media_t) );
272 p_media->psz_mux = 0;
275 asprintf( &p_media->psz_rtsp_path, "%s%s", p_sys->psz_path, psz_name );
276 p_media->p_rtsp_url =
277 httpd_UrlNewUnique( p_sys->p_rtsp_host, p_media->psz_rtsp_path, 0, 0 );
279 if( !p_media->p_rtsp_url )
281 msg_Err( p_vod, "cannot create http url (%s)", p_media->psz_rtsp_path);
282 free( p_media->psz_rtsp_path );
287 msg_Dbg( p_vod, "created rtsp url: %s", p_media->psz_rtsp_path );
289 asprintf( &p_media->psz_rtsp_control, "rtsp://%s:%d%s",
290 p_sys->psz_host, p_sys->i_port, p_media->psz_rtsp_path );
292 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_DESCRIBE,
293 RtspCallback, (void*)p_media );
294 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_PLAY,
295 RtspCallback, (void*)p_media );
296 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_PAUSE,
297 RtspCallback, (void*)p_media );
298 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_TEARDOWN,
299 RtspCallback, (void*)p_media );
301 p_media->p_vod = p_vod;
303 TAB_APPEND( p_sys->i_media, p_sys->media, p_media );
305 vlc_mutex_init( p_vod, &p_media->lock );
306 p_media->psz_session_name = strdup("");
307 p_media->psz_session_description = strdup("");
308 p_media->psz_session_url = strdup("");
309 p_media->psz_session_email = strdup("");
311 p_media->i_port_audio = 1234;
312 p_media->i_port_video = 1236;
313 p_media->i_port = 1238;
314 p_media->i_payload_type = 96;
316 p_media->i_sdp_id = mdate();
317 p_media->i_sdp_version = 1;
318 p_media->i_length = p_item->i_duration;
320 vlc_mutex_lock( &p_item->lock );
321 msg_Dbg( p_vod, "media has %i declared ES", p_item->i_es );
322 for( i = 0; i < p_item->i_es; i++ )
324 MediaAddES( p_vod, p_media, p_item->es[i] );
326 vlc_mutex_unlock( &p_item->lock );
331 static void MediaDel( vod_t *p_vod, vod_media_t *p_media )
333 vod_sys_t *p_sys = p_vod->p_sys;
335 msg_Dbg( p_vod, "deleting media: %s", p_media->psz_rtsp_path );
337 while( p_media->i_rtsp > 0 ) RtspClientDel( p_media, p_media->rtsp[0] );
338 httpd_UrlDelete( p_media->p_rtsp_url );
339 if( p_media->psz_rtsp_path ) free( p_media->psz_rtsp_path );
340 if( p_media->psz_rtsp_control ) free( p_media->psz_rtsp_control );
342 TAB_REMOVE( p_sys->i_media, p_sys->media, p_media );
344 while( p_media->i_es ) MediaDelES( p_vod, p_media, &p_media->es[0]->fmt );
346 vlc_mutex_destroy( &p_media->lock );
350 static int MediaAddES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt )
352 media_es_t *p_es = malloc( sizeof(media_es_t) );
355 memset( p_es, 0, sizeof(media_es_t) );
356 p_media->psz_mux = NULL;
358 /* TODO: update SDP, etc... */
359 asprintf( &psz_urlc, "%s/trackid=%d",
360 p_media->psz_rtsp_path, p_media->i_es );
361 msg_Dbg( p_vod, " - ES %4.4s (%s)", (char *)&p_fmt->i_codec, psz_urlc );
363 switch( p_fmt->i_codec )
365 case VLC_FOURCC( 's', '1', '6', 'b' ):
366 if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
368 p_es->i_payload_type = 11;
370 else if( p_fmt->audio.i_channels == 2 && p_fmt->audio.i_rate == 44100 )
372 p_es->i_payload_type = 10;
376 p_es->i_payload_type = p_media->i_payload_type++;
379 p_es->psz_rtpmap = malloc( strlen( "L16/*/*" ) + 20+1 );
380 sprintf( p_es->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
381 p_fmt->audio.i_channels );
383 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
384 p_es->i_payload_type = p_media->i_payload_type++;
385 p_es->psz_rtpmap = malloc( strlen( "L8/*/*" ) + 20+1 );
386 sprintf( p_es->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
387 p_fmt->audio.i_channels );
389 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
390 p_es->i_payload_type = 14;
391 p_es->psz_rtpmap = strdup( "MPA/90000" );
393 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
394 p_es->i_payload_type = 32;
395 p_es->psz_rtpmap = strdup( "MPV/90000" );
397 case VLC_FOURCC( 'a', '5', '2', ' ' ):
398 p_es->i_payload_type = p_media->i_payload_type++;
399 p_es->psz_rtpmap = strdup( "ac3/90000" );
401 case VLC_FOURCC( 'H', '2', '6', '3' ):
402 p_es->i_payload_type = p_media->i_payload_type++;
403 p_es->psz_rtpmap = strdup( "H263-1998/90000" );
405 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
406 p_es->i_payload_type = p_media->i_payload_type++;
407 p_es->psz_rtpmap = strdup( "MP4V-ES/90000" );
408 if( p_fmt->i_extra > 0 )
410 char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
411 p_es->psz_fmtp = malloc( 100 + 2 * p_fmt->i_extra );
412 sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
413 sprintf( p_es->psz_fmtp,
414 "profile-level-id=3; config=%s;", p_hexa );
418 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
419 p_es->i_payload_type = p_media->i_payload_type++;
420 p_es->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
421 sprintf( p_es->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
422 if( p_fmt->i_extra > 0 )
424 char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
425 p_es->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
426 sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
427 sprintf( p_es->psz_fmtp,
428 "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
429 "config=%s; SizeLength=13;IndexLength=3; "
430 "IndexDeltaLength=3; Profile=1;", p_hexa );
434 case VLC_FOURCC( 'm', 'p', '2', 't' ):
435 p_media->psz_mux = "ts";
436 p_es->i_payload_type = 33;
437 p_es->psz_rtpmap = strdup( "MP2T/90000" );
439 case VLC_FOURCC( 'm', 'p', '2', 'p' ):
440 p_media->psz_mux = "ps";
441 p_es->i_payload_type = p_media->i_payload_type++;
442 p_es->psz_rtpmap = strdup( "MP2P/90000" );
446 msg_Err( p_vod, "cannot add this stream (unsupported "
447 "codec: %4.4s)", (char*)&p_fmt->i_codec );
453 httpd_UrlNewUnique( p_vod->p_sys->p_rtsp_host, psz_urlc, 0, 0 );
455 if( !p_es->p_rtsp_url )
457 msg_Err( p_vod, "cannot create http url (%s)", psz_urlc );
464 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_SETUP,
465 RtspCallbackES, (void*)p_es );
466 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_TEARDOWN,
467 RtspCallbackES, (void*)p_es );
468 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PLAY,
469 RtspCallbackES, (void*)p_es );
470 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PAUSE,
471 RtspCallbackES, (void*)p_es );
473 es_format_Copy( &p_es->fmt, p_fmt );
475 p_es->p_media = p_media;
478 /* Choose the port */
479 if( p_fmt->i_cat == AUDIO_ES && p_media->i_port_audio > 0 )
481 p_es->i_port = p_media->i_port_audio;
482 p_media->i_port_audio = 0;
484 else if( p_fmt->i_cat == VIDEO_ES && p_media->i_port_video > 0 )
486 p_es->i_port = p_media->i_port_video;
487 p_media->i_port_video = 0;
489 while( !p_es->i_port )
491 if( p_media->i_port != p_media->i_port_audio &&
492 p_media->i_port != p_media->i_port_video )
494 p_es->i_port = p_media->i_port;
495 p_media->i_port += 2;
498 p_media->i_port += 2;
505 vlc_mutex_lock( &p_media->lock );
506 TAB_APPEND( p_media->i_es, p_media->es, p_es );
507 vlc_mutex_unlock( &p_media->lock );
509 p_media->i_sdp_version++;
514 static void MediaDelES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt)
516 media_es_t *p_es = 0;
520 for( i = 0; i < p_media->i_es; i++ )
522 if( p_media->es[i]->fmt.i_cat == p_fmt->i_cat &&
523 p_media->es[i]->fmt.i_codec == p_fmt->i_codec &&
524 p_media->es[i]->fmt.i_id == p_fmt->i_id )
526 p_es = p_media->es[i];
531 msg_Dbg( p_vod, " - Removing ES %4.4s", (char *)&p_fmt->i_codec );
533 vlc_mutex_lock( &p_media->lock );
534 TAB_REMOVE( p_media->i_es, p_media->es, p_es );
535 vlc_mutex_unlock( &p_media->lock );
537 if( p_es->psz_rtpmap ) free( p_es->psz_rtpmap );
538 if( p_es->psz_fmtp ) free( p_es->psz_fmtp );
539 p_media->i_sdp_version++;
541 if( p_es->p_rtsp_url ) httpd_UrlDelete( p_es->p_rtsp_url );
542 es_format_Clean( &p_es->fmt );
545 /****************************************************************************
546 * RTSP server implementation
547 ****************************************************************************/
548 static rtsp_client_t *RtspClientNew( vod_media_t *p_media, char *psz_session )
550 rtsp_client_t *p_rtsp = malloc( sizeof(rtsp_client_t) );
551 memset( p_rtsp, 0, sizeof(rtsp_client_t) );
554 p_rtsp->psz_session = psz_session;
555 TAB_APPEND( p_media->i_rtsp, p_media->rtsp, p_rtsp );
557 msg_Dbg( p_media->p_vod, "new session: %s", psz_session );
562 static rtsp_client_t *RtspClientGet( vod_media_t *p_media, char *psz_session )
566 for( i = 0; psz_session && i < p_media->i_rtsp; i++ )
568 if( !strcmp( p_media->rtsp[i]->psz_session, psz_session ) )
570 return p_media->rtsp[i];
577 static void RtspClientDel( vod_media_t *p_media, rtsp_client_t *p_rtsp )
579 msg_Dbg( p_media->p_vod, "closing session: %s", p_rtsp->psz_session );
581 while( p_rtsp->i_es-- )
583 if( p_rtsp->es[p_rtsp->i_es]->psz_ip )
584 free( p_rtsp->es[p_rtsp->i_es]->psz_ip );
585 free( p_rtsp->es[p_rtsp->i_es] );
586 if( !p_rtsp->i_es ) free( p_rtsp->es );
589 TAB_REMOVE( p_media->i_rtsp, p_media->rtsp, p_rtsp );
591 free( p_rtsp->psz_session );
595 static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
596 httpd_message_t *answer, httpd_message_t *query )
598 vod_media_t *p_media = (vod_media_t*)p_args;
599 vod_t *p_vod = p_media->p_vod;
600 char *psz_destination = p_media->psz_destination;
601 char *psz_session = NULL;
602 rtsp_client_t *p_rtsp;
604 if( answer == NULL || query == NULL ) return VLC_SUCCESS;
606 fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
608 answer->i_proto = HTTPD_PROTO_RTSP;
609 answer->i_version = query->i_version;
610 answer->i_type = HTTPD_MSG_ANSWER;
612 switch( query->i_type )
614 case HTTPD_MSG_DESCRIBE:
617 SDPGenerate( p_media, psz_destination ?
618 psz_destination : "0.0.0.0" );
620 answer->i_status = 200;
621 answer->psz_status = strdup( "OK" );
622 httpd_MsgAdd( answer, "Content-type", "%s", "application/sdp" );
624 answer->p_body = psz_sdp;
625 answer->i_body = strlen( psz_sdp );
631 char *psz_output, *ip;
632 int i, i_port_audio = 0, i_port_video = 0;
634 /* for now only multicast so easy */
635 answer->i_status = 200;
636 answer->psz_status = strdup( "OK" );
638 answer->p_body = NULL;
640 psz_session = httpd_MsgGet( query, "Session" );
641 msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session );
643 p_rtsp = RtspClientGet( p_media, psz_session );
646 if( p_rtsp->b_playing && p_rtsp->b_paused )
648 vod_MediaControl( p_vod, p_media, psz_session,
650 p_rtsp->b_paused = VLC_FALSE;
653 else if( p_rtsp->b_playing ) break;
655 if( !(ip = httpd_ClientIP( cl )) ) break;
657 p_rtsp->b_playing = VLC_TRUE;
659 /* FIXME for != 1 video and 1 audio */
660 for( i = 0; i < p_rtsp->i_es; i++ )
662 if( p_rtsp->es[i]->p_media_es->fmt.i_cat == AUDIO_ES )
663 i_port_audio = p_rtsp->es[i]->i_port;
664 if( p_rtsp->es[i]->p_media_es->fmt.i_cat == VIDEO_ES )
665 i_port_video = p_rtsp->es[i]->i_port;
668 if( p_media->psz_mux )
670 asprintf( &psz_output, "rtp{dst=%s,port=%i,mux=%s}",
671 ip, i_port_video, p_media->psz_mux );
675 asprintf( &psz_output, "rtp{dst=%s,port-video=%i,"
676 "port-audio=%i}", ip, i_port_video, i_port_audio );
679 vod_MediaControl( p_vod, p_media, psz_session, VOD_MEDIA_PLAY,
686 case HTTPD_MSG_PAUSE:
687 psz_session = httpd_MsgGet( query, "Session" );
688 msg_Dbg( p_vod, "HTTPD_MSG_PAUSE for session: %s", psz_session );
690 p_rtsp = RtspClientGet( p_media, psz_session );
693 vod_MediaControl( p_vod, p_media, psz_session, VOD_MEDIA_PAUSE );
694 p_rtsp->b_paused = VLC_TRUE;
696 answer->i_status = 200;
697 answer->psz_status = strdup( "OK" );
699 answer->p_body = NULL;
702 case HTTPD_MSG_TEARDOWN:
703 /* for now only multicast so easy again */
704 answer->i_status = 200;
705 answer->psz_status = strdup( "OK" );
707 answer->p_body = NULL;
709 psz_session = httpd_MsgGet( query, "Session" );
710 msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
712 p_rtsp = RtspClientGet( p_media, psz_session );
715 vod_MediaControl( p_vod, p_media, psz_session, VOD_MEDIA_STOP );
716 RtspClientDel( p_media, p_rtsp );
723 httpd_MsgAdd( answer, "Server", "VLC Server" );
724 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
725 httpd_MsgAdd( answer, "Cseq", "%d",
726 atoi( httpd_MsgGet( query, "Cseq" ) ) );
727 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
731 httpd_MsgAdd( answer, "Session", "%s;timeout=5", psz_session );
737 static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl,
738 httpd_message_t *answer, httpd_message_t *query )
740 media_es_t *p_es = (media_es_t*)p_args;
741 vod_media_t *p_media = p_es->p_media;
742 vod_t *p_vod = p_media->p_vod;
743 rtsp_client_t *p_rtsp = NULL;
744 char *psz_session = NULL;
745 char *psz_transport = NULL;
746 char *psz_position = NULL;
749 if( answer == NULL || query == NULL ) return VLC_SUCCESS;
751 fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
753 answer->i_proto = HTTPD_PROTO_RTSP;
754 answer->i_version = query->i_version;
755 answer->i_type = HTTPD_MSG_ANSWER;
757 switch( query->i_type )
759 case HTTPD_MSG_SETUP:
760 psz_transport = httpd_MsgGet( query, "Transport" );
761 fprintf( stderr, "HTTPD_MSG_SETUP: transport=%s\n", psz_transport );
763 if( strstr( psz_transport, "multicast" ) && p_media->psz_destination )
765 fprintf( stderr, "HTTPD_MSG_SETUP: multicast\n" );
766 answer->i_status = 200;
767 answer->psz_status = strdup( "OK" );
769 answer->p_body = NULL;
771 psz_session = httpd_MsgGet( query, "Session" );
772 if( !psz_session || !*psz_session )
774 asprintf( &psz_session, "%d", rand() );
777 httpd_MsgAdd( answer, "Transport",
778 "RTP/AVP/UDP;destination=%s;port=%d-%d;ttl=%d",
779 p_media->psz_destination, p_media->i_port,
780 p_media->i_port+1, p_media->i_ttl );
782 else if( strstr( psz_transport, "unicast" ) &&
783 strstr( psz_transport, "client_port=" ) )
785 rtsp_client_t *p_rtsp;
786 rtsp_client_es_t *p_rtsp_es;
787 char *ip = httpd_ClientIP( cl );
788 int i_port = atoi( strstr( psz_transport, "client_port=" ) +
789 strlen("client_port=") );
793 answer->i_status = 400;
794 answer->psz_status = strdup( "Internal server error" );
796 answer->p_body = NULL;
800 fprintf( stderr, "HTTPD_MSG_SETUP: unicast ip=%s port=%d\n",
803 psz_session = httpd_MsgGet( query, "Session" );
804 if( !psz_session || !*psz_session )
806 asprintf( &psz_session, "%d", rand() );
807 p_rtsp = RtspClientNew( p_media, psz_session );
811 p_rtsp = RtspClientGet( p_media, psz_session );
814 /* FIXME right error code */
815 answer->i_status = 400;
816 answer->psz_status = strdup( "Unknown session id" );
818 answer->p_body = NULL;
824 p_rtsp_es = malloc( sizeof(rtsp_client_es_t) );
825 p_rtsp_es->i_port = i_port;
826 p_rtsp_es->psz_ip = strdup( ip );
827 p_rtsp_es->p_media_es = p_es;
828 TAB_APPEND( p_rtsp->i_es, p_rtsp->es, p_rtsp_es );
830 answer->i_status = 200;
831 answer->psz_status = strdup( "OK" );
833 answer->p_body = NULL;
835 httpd_MsgAdd( answer, "Transport", "RTP/AVP/UDP;client_port=%d-%d",
836 i_port, i_port + 1 );
838 else /* TODO strstr( psz_transport, "interleaved" ) ) */
840 answer->i_status = 400;
841 answer->psz_status = strdup( "Bad Request" );
843 answer->p_body = NULL;
847 case HTTPD_MSG_TEARDOWN:
848 answer->i_status = 200;
849 answer->psz_status = strdup( "OK" );
851 answer->p_body = NULL;
853 psz_session = httpd_MsgGet( query, "Session" );
854 msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
856 p_rtsp = RtspClientGet( p_media, psz_session );
859 for( i = 0; i < p_rtsp->i_es; i++ )
861 if( p_rtsp->es[i]->p_media_es == p_es )
863 if( p_rtsp->es[i]->psz_ip ) free( p_rtsp->es[i]->psz_ip );
864 TAB_REMOVE( p_rtsp->i_es, p_rtsp->es, p_rtsp->es[i] );
871 vod_MediaControl( p_vod, p_media, psz_session,
873 RtspClientDel( p_media, p_rtsp );
878 psz_session = httpd_MsgGet( query, "Session" );
879 msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session );
881 p_rtsp = RtspClientGet( p_media, psz_session );
883 psz_position = httpd_MsgGet( query, "Range" );
884 if( psz_position ) psz_position = strstr( psz_position, "npt=" );
889 msg_Dbg( p_vod, "seeking request: %s", psz_position );
892 if( sscanf( psz_position, "%f", &f_pos ) == 1 )
894 f_pos /= ((float)(p_media->i_length/1000))/1000 / 100;
895 vod_MediaControl( p_vod, p_media, psz_session,
896 VOD_MEDIA_SEEK, (double)f_pos );
900 answer->i_status = 460;
901 answer->psz_status = strdup( "Only Aggregate Operation Allowed" );
903 answer->p_body = NULL;
906 case HTTPD_MSG_PAUSE:
907 psz_session = httpd_MsgGet( query, "Session" );
908 msg_Dbg( p_vod, "HTTPD_MSG_PAUSE for session: %s", psz_session );
910 answer->i_status = 460;
911 answer->psz_status = strdup( "Only Aggregate Operation Allowed" );
913 answer->p_body = NULL;
921 httpd_MsgAdd( answer, "Server", "VLC Server" );
922 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
923 httpd_MsgAdd( answer, "Cseq", "%d",
924 atoi( httpd_MsgGet( query, "Cseq" ) ) );
925 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
929 httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
935 /*****************************************************************************
937 * FIXME: need to be moved to a common place ?
938 *****************************************************************************/
939 static char *SDPGenerate( vod_media_t *p_media, char *psz_destination )
945 i_size = strlen( "v=0\r\n" ) +
946 strlen( "o=- * * IN IP4 127.0.0.1\r\n" ) + 10 + 10 +
947 strlen( "s=*\r\n" ) + strlen( p_media->psz_session_name ) +
948 strlen( "i=*\r\n" ) + strlen( p_media->psz_session_description ) +
949 strlen( "u=*\r\n" ) + strlen( p_media->psz_session_url ) +
950 strlen( "e=*\r\n" ) + strlen( p_media->psz_session_email ) +
951 strlen( "t=0 0\r\n" ) + /* FIXME */
952 strlen( "a=tool:"PACKAGE_STRING"\r\n" ) +
953 strlen( "c=IN IP4 */*\r\n" ) + 20 + 10 +
954 strlen( psz_destination ? psz_destination : "0.0.0.0" ) +
955 strlen( "a=range:npt=0-1000000000.000\r\n" );
957 for( i = 0; i < p_media->i_es; i++ )
959 media_es_t *p_es = p_media->es[i];
961 i_size += strlen( "m=**d*o * RTP/AVP *\r\n" ) + 10 + 10;
962 if( p_es->psz_rtpmap )
964 i_size += strlen( "a=rtpmap:* *\r\n" ) +
965 strlen( p_es->psz_rtpmap ) + 10;
969 i_size += strlen( "a=fmtp:* *\r\n" ) +
970 strlen( p_es->psz_fmtp ) + 10;
973 i_size += strlen( "a=control:*/trackid=*\r\n" ) +
974 strlen( p_media->psz_rtsp_control ) + 10;
977 p = psz_sdp = malloc( i_size );
978 p += sprintf( p, "v=0\r\n" );
979 p += sprintf( p, "o=- "I64Fd" %d IN IP4 127.0.0.1\r\n",
980 p_media->i_sdp_id, p_media->i_sdp_version );
981 if( *p_media->psz_session_name )
982 p += sprintf( p, "s=%s\r\n", p_media->psz_session_name );
983 if( *p_media->psz_session_description )
984 p += sprintf( p, "i=%s\r\n", p_media->psz_session_description );
985 if( *p_media->psz_session_url )
986 p += sprintf( p, "u=%s\r\n", p_media->psz_session_url );
987 if( *p_media->psz_session_email )
988 p += sprintf( p, "e=%s\r\n", p_media->psz_session_email );
990 p += sprintf( p, "t=0 0\r\n" ); /* FIXME */
991 p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" );
993 p += sprintf( p, "c=IN IP4 %s/%d\r\n", psz_destination ?
994 psz_destination : "0.0.0.0", p_media->i_ttl );
996 if( p_media->i_length > 0 )
997 p += sprintf( p, "a=range:npt=0-%.3f\r\n",
998 ((float)(p_media->i_length/1000))/1000 );
1000 for( i = 0; i < p_media->i_es; i++ )
1002 media_es_t *p_es = p_media->es[i];
1004 if( p_es->fmt.i_cat == AUDIO_ES )
1006 p += sprintf( p, "m=audio %d RTP/AVP %d\r\n",
1007 p_es->i_port, p_es->i_payload_type );
1009 else if( p_es->fmt.i_cat == VIDEO_ES )
1011 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
1012 p_es->i_port, p_es->i_payload_type );
1019 if( p_es->psz_rtpmap )
1021 p += sprintf( p, "a=rtpmap:%d %s\r\n", p_es->i_payload_type,
1024 if( p_es->psz_fmtp )
1026 p += sprintf( p, "a=fmtp:%d %s\r\n", p_es->i_payload_type,
1030 p += sprintf( p, "a=control:%s/trackid=%d\r\n",
1031 p_media->psz_rtsp_control, i );
1034 fprintf( stderr, psz_sdp );