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;
148 httpd_host_t *p_rtsp_host;
158 static vod_media_t *MediaNew( vod_t *, char *, input_item_t * );
159 static void MediaDel( vod_t *, vod_media_t * );
160 static int MediaAddES( vod_t *, vod_media_t *, es_format_t * );
161 static void MediaDelES( vod_t *, vod_media_t *, es_format_t * );
163 static rtsp_client_t *RtspClientNew( vod_media_t *, char * );
164 static rtsp_client_t *RtspClientGet( vod_media_t *, char * );
165 static void RtspClientDel( vod_media_t *, rtsp_client_t * );
167 static int RtspCallback( httpd_callback_sys_t *, httpd_client_t *,
168 httpd_message_t *, httpd_message_t * );
169 static int RtspCallbackES( httpd_callback_sys_t *, httpd_client_t *,
170 httpd_message_t *, httpd_message_t * );
172 static char *SDPGenerate( vod_media_t *, char * );
174 static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
176 static const char hex[16] = "0123456789abcdef";
179 for( i = 0; i < i_data; i++ )
181 s[2*i+0] = hex[(p_data[i]>>4)&0xf];
182 s[2*i+1] = hex[(p_data[i] )&0xf];
187 /*****************************************************************************
188 * Open: Starts the RTSP server module
189 *****************************************************************************/
190 static int Open( vlc_object_t *p_this )
192 vod_t *p_vod = (vod_t *)p_this;
193 vod_sys_t *p_sys = 0;
197 psz_url = config_GetPsz( p_vod, "rtsp-host" );
198 vlc_UrlParse( &url, psz_url, 0 );
199 if( psz_url ) free( psz_url );
201 if( !url.psz_host || !*url.psz_host )
203 if( url.psz_host ) free( url.psz_host );
204 url.psz_host = strdup( "localhost" );
206 if( url.i_port <= 0 ) url.i_port = 554;
208 p_vod->p_sys = p_sys = malloc( sizeof( vod_sys_t ) );
209 if( !p_sys ) goto error;
210 p_sys->p_rtsp_host = 0;
213 httpd_HostNew( VLC_OBJECT(p_vod), url.psz_host, url.i_port );
214 if( !p_sys->p_rtsp_host )
216 msg_Err( p_vod, "cannot create http server (%s:%i)",
217 url.psz_host, url.i_port );
221 p_sys->psz_host = strdup( url.psz_host );
222 p_sys->psz_path = strdup( url.psz_path ? url.psz_path : "/" );
223 p_sys->i_port = url.i_port;
225 vlc_UrlClean( &url );
229 p_vod->pf_media_new = MediaNew;
230 p_vod->pf_media_del = MediaDel;
231 p_vod->pf_media_add_es = MediaAddES;
232 p_vod->pf_media_del_es = MediaDelES;
238 if( p_sys && p_sys->p_rtsp_host ) httpd_HostDelete( p_sys->p_rtsp_host );
239 if( p_sys ) free( p_sys );
240 vlc_UrlClean( &url );
244 /*****************************************************************************
246 *****************************************************************************/
247 static void Close( vlc_object_t * p_this )
249 vod_t *p_vod = (vod_t *)p_this;
250 vod_sys_t *p_sys = p_vod->p_sys;
252 httpd_HostDelete( p_sys->p_rtsp_host );
254 /* TODO delete medias */
259 /*****************************************************************************
261 *****************************************************************************/
262 static vod_media_t *MediaNew( vod_t *p_vod, char *psz_name,
263 input_item_t *p_item )
265 vod_sys_t *p_sys = p_vod->p_sys;
266 vod_media_t *p_media = malloc( sizeof(vod_media_t) );
269 memset( p_media, 0, sizeof(vod_media_t) );
271 p_media->psz_mux = 0;
274 asprintf( &p_media->psz_rtsp_path, "%s%s", p_sys->psz_path, psz_name );
275 p_media->p_rtsp_url =
276 httpd_UrlNewUnique( p_sys->p_rtsp_host, p_media->psz_rtsp_path, 0, 0 );
278 if( !p_media->p_rtsp_url )
280 msg_Err( p_vod, "cannot create http url (%s)", p_media->psz_rtsp_path);
281 free( p_media->psz_rtsp_path );
286 msg_Dbg( p_vod, "created rtsp url: %s", p_media->psz_rtsp_path );
288 asprintf( &p_media->psz_rtsp_control, "rtsp://%s:%d%s",
289 p_sys->psz_host, p_sys->i_port, p_media->psz_rtsp_path );
291 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_DESCRIBE,
292 RtspCallback, (void*)p_media );
293 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_PLAY,
294 RtspCallback, (void*)p_media );
295 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_PAUSE,
296 RtspCallback, (void*)p_media );
297 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_TEARDOWN,
298 RtspCallback, (void*)p_media );
300 p_media->p_vod = p_vod;
302 TAB_APPEND( p_sys->i_media, p_sys->media, p_media );
304 vlc_mutex_init( p_vod, &p_media->lock );
305 p_media->psz_session_name = strdup("");
306 p_media->psz_session_description = strdup("");
307 p_media->psz_session_url = strdup("");
308 p_media->psz_session_email = strdup("");
310 p_media->i_port_audio = 1234;
311 p_media->i_port_video = 1236;
312 p_media->i_port = 1238;
313 p_media->i_payload_type = 96;
315 p_media->i_sdp_id = mdate();
316 p_media->i_sdp_version = 1;
318 vlc_mutex_lock( &p_item->lock );
319 msg_Dbg( p_vod, "media has %i declared ES", p_item->i_es );
320 for( i = 0; i < p_item->i_es; i++ )
322 MediaAddES( p_vod, p_media, p_item->es[i] );
324 vlc_mutex_unlock( &p_item->lock );
329 static void MediaDel( vod_t *p_vod, vod_media_t *p_media )
331 vod_sys_t *p_sys = p_vod->p_sys;
333 msg_Dbg( p_vod, "deleting media: %s", p_media->psz_rtsp_path );
335 while( p_media->i_rtsp > 0 ) RtspClientDel( p_media, p_media->rtsp[0] );
336 httpd_UrlDelete( p_media->p_rtsp_url );
337 if( p_media->psz_rtsp_path ) free( p_media->psz_rtsp_path );
338 if( p_media->psz_rtsp_control ) free( p_media->psz_rtsp_control );
340 TAB_REMOVE( p_sys->i_media, p_sys->media, p_media );
342 while( p_media->i_es ) MediaDelES( p_vod, p_media, &p_media->es[0]->fmt );
344 vlc_mutex_destroy( &p_media->lock );
348 static int MediaAddES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt )
350 media_es_t *p_es = malloc( sizeof(media_es_t) );
353 memset( p_es, 0, sizeof(media_es_t) );
354 p_media->psz_mux = NULL;
356 /* TODO: update SDP, etc... */
357 asprintf( &psz_urlc, "%s/trackid=%d",
358 p_media->psz_rtsp_path, p_media->i_es );
359 msg_Dbg( p_vod, " - ES %4.4s (%s)", (char *)&p_fmt->i_codec, psz_urlc );
361 switch( p_fmt->i_codec )
363 case VLC_FOURCC( 's', '1', '6', 'b' ):
364 if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
366 p_es->i_payload_type = 11;
368 else if( p_fmt->audio.i_channels == 2 && p_fmt->audio.i_rate == 44100 )
370 p_es->i_payload_type = 10;
374 p_es->i_payload_type = p_media->i_payload_type++;
377 p_es->psz_rtpmap = malloc( strlen( "L16/*/*" ) + 20+1 );
378 sprintf( p_es->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
379 p_fmt->audio.i_channels );
381 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
382 p_es->i_payload_type = p_media->i_payload_type++;
383 p_es->psz_rtpmap = malloc( strlen( "L8/*/*" ) + 20+1 );
384 sprintf( p_es->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
385 p_fmt->audio.i_channels );
387 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
388 p_es->i_payload_type = 14;
389 p_es->psz_rtpmap = strdup( "MPA/90000" );
391 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
392 p_es->i_payload_type = 32;
393 p_es->psz_rtpmap = strdup( "MPV/90000" );
395 case VLC_FOURCC( 'a', '5', '2', ' ' ):
396 p_es->i_payload_type = p_media->i_payload_type++;
397 p_es->psz_rtpmap = strdup( "ac3/90000" );
399 case VLC_FOURCC( 'H', '2', '6', '3' ):
400 p_es->i_payload_type = p_media->i_payload_type++;
401 p_es->psz_rtpmap = strdup( "H263-1998/90000" );
403 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
404 p_es->i_payload_type = p_media->i_payload_type++;
405 p_es->psz_rtpmap = strdup( "MP4V-ES/90000" );
406 if( p_fmt->i_extra > 0 )
408 char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
409 p_es->psz_fmtp = malloc( 100 + 2 * p_fmt->i_extra );
410 sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
411 sprintf( p_es->psz_fmtp,
412 "profile-level-id=3; config=%s;", p_hexa );
416 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
417 p_es->i_payload_type = p_media->i_payload_type++;
418 p_es->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
419 sprintf( p_es->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
420 if( p_fmt->i_extra > 0 )
422 char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
423 p_es->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
424 sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
425 sprintf( p_es->psz_fmtp,
426 "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
427 "config=%s; SizeLength=13;IndexLength=3; "
428 "IndexDeltaLength=3; Profile=1;", p_hexa );
432 case VLC_FOURCC( 'm', 'p', '2', 't' ):
433 p_media->psz_mux = "ts";
434 p_es->i_payload_type = 33;
435 p_es->psz_rtpmap = strdup( "MP2T/90000" );
437 case VLC_FOURCC( 'm', 'p', '2', 'p' ):
438 p_media->psz_mux = "ps";
439 p_es->i_payload_type = p_media->i_payload_type++;
440 p_es->psz_rtpmap = strdup( "MP2P/90000" );
444 msg_Err( p_vod, "cannot add this stream (unsupported "
445 "codec: %4.4s)", (char*)&p_fmt->i_codec );
451 httpd_UrlNewUnique( p_vod->p_sys->p_rtsp_host, psz_urlc, 0, 0 );
453 if( !p_es->p_rtsp_url )
455 msg_Err( p_vod, "cannot create http url (%s)", psz_urlc );
462 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_SETUP,
463 RtspCallbackES, (void*)p_es );
464 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_TEARDOWN,
465 RtspCallbackES, (void*)p_es );
466 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PLAY,
467 RtspCallbackES, (void*)p_es );
468 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PAUSE,
469 RtspCallbackES, (void*)p_es );
471 es_format_Copy( &p_es->fmt, p_fmt );
473 p_es->p_media = p_media;
476 /* Choose the port */
477 if( p_fmt->i_cat == AUDIO_ES && p_media->i_port_audio > 0 )
479 p_es->i_port = p_media->i_port_audio;
480 p_media->i_port_audio = 0;
482 else if( p_fmt->i_cat == VIDEO_ES && p_media->i_port_video > 0 )
484 p_es->i_port = p_media->i_port_video;
485 p_media->i_port_video = 0;
487 while( !p_es->i_port )
489 if( p_media->i_port != p_media->i_port_audio &&
490 p_media->i_port != p_media->i_port_video )
492 p_es->i_port = p_media->i_port;
493 p_media->i_port += 2;
496 p_media->i_port += 2;
503 vlc_mutex_lock( &p_media->lock );
504 TAB_APPEND( p_media->i_es, p_media->es, p_es );
505 vlc_mutex_unlock( &p_media->lock );
507 p_media->i_sdp_version++;
512 static void MediaDelES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt)
514 media_es_t *p_es = 0;
518 for( i = 0; i < p_media->i_es; i++ )
520 if( p_media->es[i]->fmt.i_cat == p_fmt->i_cat &&
521 p_media->es[i]->fmt.i_codec == p_fmt->i_codec &&
522 p_media->es[i]->fmt.i_id == p_fmt->i_id )
524 p_es = p_media->es[i];
529 msg_Dbg( p_vod, " - Removing ES %4.4s", (char *)&p_fmt->i_codec );
531 vlc_mutex_lock( &p_media->lock );
532 TAB_REMOVE( p_media->i_es, p_media->es, p_es );
533 vlc_mutex_unlock( &p_media->lock );
535 if( p_es->psz_rtpmap ) free( p_es->psz_rtpmap );
536 if( p_es->psz_fmtp ) free( p_es->psz_fmtp );
537 p_media->i_sdp_version++;
539 if( p_es->p_rtsp_url ) httpd_UrlDelete( p_es->p_rtsp_url );
540 es_format_Clean( &p_es->fmt );
543 /****************************************************************************
544 * RTSP server implementation
545 ****************************************************************************/
546 static rtsp_client_t *RtspClientNew( vod_media_t *p_media, char *psz_session )
548 rtsp_client_t *p_rtsp = malloc( sizeof(rtsp_client_t) );
549 memset( p_rtsp, 0, sizeof(rtsp_client_t) );
552 p_rtsp->psz_session = psz_session;
553 TAB_APPEND( p_media->i_rtsp, p_media->rtsp, p_rtsp );
555 msg_Dbg( p_media->p_vod, "new session: %s", psz_session );
560 static rtsp_client_t *RtspClientGet( vod_media_t *p_media, char *psz_session )
564 for( i = 0; psz_session && i < p_media->i_rtsp; i++ )
566 if( !strcmp( p_media->rtsp[i]->psz_session, psz_session ) )
568 return p_media->rtsp[i];
575 static void RtspClientDel( vod_media_t *p_media, rtsp_client_t *p_rtsp )
577 msg_Dbg( p_media->p_vod, "closing session: %s", p_rtsp->psz_session );
579 while( p_rtsp->i_es-- )
581 if( p_rtsp->es[p_rtsp->i_es]->psz_ip )
582 free( p_rtsp->es[p_rtsp->i_es]->psz_ip );
583 free( p_rtsp->es[p_rtsp->i_es] );
584 if( !p_rtsp->i_es ) free( p_rtsp->es );
587 TAB_REMOVE( p_media->i_rtsp, p_media->rtsp, p_rtsp );
589 free( p_rtsp->psz_session );
593 static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
594 httpd_message_t *answer, httpd_message_t *query )
596 vod_media_t *p_media = (vod_media_t*)p_args;
597 vod_t *p_vod = p_media->p_vod;
598 char *psz_destination = p_media->psz_destination;
599 char *psz_session = NULL;
600 rtsp_client_t *p_rtsp;
602 if( answer == NULL || query == NULL ) return VLC_SUCCESS;
604 fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
606 answer->i_proto = HTTPD_PROTO_RTSP;
607 answer->i_version = query->i_version;
608 answer->i_type = HTTPD_MSG_ANSWER;
610 switch( query->i_type )
612 case HTTPD_MSG_DESCRIBE:
615 SDPGenerate( p_media, psz_destination ?
616 psz_destination : "0.0.0.0" );
618 answer->i_status = 200;
619 answer->psz_status = strdup( "OK" );
620 httpd_MsgAdd( answer, "Content-type", "%s", "application/sdp" );
622 answer->p_body = psz_sdp;
623 answer->i_body = strlen( psz_sdp );
629 char *psz_output, *ip;
630 int i, i_port_audio = 0, i_port_video = 0;
632 /* for now only multicast so easy */
633 answer->i_status = 200;
634 answer->psz_status = strdup( "OK" );
636 answer->p_body = NULL;
638 psz_session = httpd_MsgGet( query, "Session" );
639 msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session );
641 p_rtsp = RtspClientGet( p_media, psz_session );
644 if( p_rtsp->b_playing && p_rtsp->b_paused )
646 vod_MediaControl( p_vod, p_media, psz_session,
648 p_rtsp->b_paused = VLC_FALSE;
651 else if( p_rtsp->b_playing ) break;
653 if( !(ip = httpd_ClientIP( cl )) ) break;
655 p_rtsp->b_playing = VLC_TRUE;
657 /* FIXME for != 1 video and 1 audio */
658 for( i = 0; i < p_rtsp->i_es; i++ )
660 if( p_rtsp->es[i]->p_media_es->fmt.i_cat == AUDIO_ES )
661 i_port_audio = p_rtsp->es[i]->i_port;
662 if( p_rtsp->es[i]->p_media_es->fmt.i_cat == VIDEO_ES )
663 i_port_video = p_rtsp->es[i]->i_port;
666 if( p_media->psz_mux )
668 asprintf( &psz_output, "rtp{dst=%s,port=%i,mux=%s}",
669 ip, i_port_video, p_media->psz_mux );
673 asprintf( &psz_output, "rtp{dst=%s,port-video=%i,"
674 "port-audio=%i}", ip, i_port_video, i_port_audio );
677 vod_MediaControl( p_vod, p_media, psz_session, VOD_MEDIA_PLAY,
684 case HTTPD_MSG_PAUSE:
685 psz_session = httpd_MsgGet( query, "Session" );
686 msg_Dbg( p_vod, "HTTPD_MSG_PAUSE for session: %s", psz_session );
688 p_rtsp = RtspClientGet( p_media, psz_session );
691 vod_MediaControl( p_vod, p_media, psz_session, VOD_MEDIA_PAUSE );
692 p_rtsp->b_paused = VLC_TRUE;
694 answer->i_status = 200;
695 answer->psz_status = strdup( "OK" );
697 answer->p_body = NULL;
700 case HTTPD_MSG_TEARDOWN:
701 /* for now only multicast so easy again */
702 answer->i_status = 200;
703 answer->psz_status = strdup( "OK" );
705 answer->p_body = NULL;
707 psz_session = httpd_MsgGet( query, "Session" );
708 msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
710 p_rtsp = RtspClientGet( p_media, psz_session );
713 vod_MediaControl( p_vod, p_media, psz_session, VOD_MEDIA_STOP );
714 RtspClientDel( p_media, p_rtsp );
721 httpd_MsgAdd( answer, "Server", "VLC Server" );
722 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
723 httpd_MsgAdd( answer, "Cseq", "%d",
724 atoi( httpd_MsgGet( query, "Cseq" ) ) );
725 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
729 httpd_MsgAdd( answer, "Session", "%s;timeout=5", psz_session );
735 static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl,
736 httpd_message_t *answer, httpd_message_t *query )
738 media_es_t *p_es = (media_es_t*)p_args;
739 vod_media_t *p_media = p_es->p_media;
740 vod_t *p_vod = p_media->p_vod;
741 char *psz_session = NULL;
742 char *psz_transport = NULL;
745 if( answer == NULL || query == NULL ) return VLC_SUCCESS;
747 fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
749 answer->i_proto = HTTPD_PROTO_RTSP;
750 answer->i_version = query->i_version;
751 answer->i_type = HTTPD_MSG_ANSWER;
753 switch( query->i_type )
755 case HTTPD_MSG_SETUP:
756 psz_transport = httpd_MsgGet( query, "Transport" );
757 fprintf( stderr, "HTTPD_MSG_SETUP: transport=%s\n", psz_transport );
759 if( strstr( psz_transport, "multicast" ) && p_media->psz_destination )
761 fprintf( stderr, "HTTPD_MSG_SETUP: multicast\n" );
762 answer->i_status = 200;
763 answer->psz_status = strdup( "OK" );
765 answer->p_body = NULL;
767 psz_session = httpd_MsgGet( query, "Session" );
768 if( !psz_session || !*psz_session )
770 asprintf( &psz_session, "%d", rand() );
773 httpd_MsgAdd( answer, "Transport",
774 "RTP/AVP/UDP;destination=%s;port=%d-%d;ttl=%d",
775 p_media->psz_destination, p_media->i_port,
776 p_media->i_port+1, p_media->i_ttl );
778 else if( strstr( psz_transport, "unicast" ) &&
779 strstr( psz_transport, "client_port=" ) )
781 rtsp_client_t *p_rtsp;
782 rtsp_client_es_t *p_rtsp_es;
783 char *ip = httpd_ClientIP( cl );
784 int i_port = atoi( strstr( psz_transport, "client_port=" ) +
785 strlen("client_port=") );
789 answer->i_status = 400;
790 answer->psz_status = strdup( "Internal server error" );
792 answer->p_body = NULL;
796 fprintf( stderr, "HTTPD_MSG_SETUP: unicast ip=%s port=%d\n",
799 psz_session = httpd_MsgGet( query, "Session" );
800 if( !psz_session || !*psz_session )
802 asprintf( &psz_session, "%d", rand() );
803 p_rtsp = RtspClientNew( p_media, psz_session );
807 p_rtsp = RtspClientGet( p_media, psz_session );
810 /* FIXME right error code */
811 answer->i_status = 400;
812 answer->psz_status = strdup( "Unknown session id" );
814 answer->p_body = NULL;
820 p_rtsp_es = malloc( sizeof(rtsp_client_es_t) );
821 p_rtsp_es->i_port = i_port;
822 p_rtsp_es->psz_ip = strdup( ip );
823 p_rtsp_es->p_media_es = p_es;
824 TAB_APPEND( p_rtsp->i_es, p_rtsp->es, p_rtsp_es );
826 answer->i_status = 200;
827 answer->psz_status = strdup( "OK" );
829 answer->p_body = NULL;
831 httpd_MsgAdd( answer, "Transport", "RTP/AVP/UDP;client_port=%d-%d",
832 i_port, i_port + 1 );
834 else /* TODO strstr( psz_transport, "interleaved" ) ) */
836 answer->i_status = 400;
837 answer->psz_status = strdup( "Bad Request" );
839 answer->p_body = NULL;
843 case HTTPD_MSG_TEARDOWN:
845 rtsp_client_t *p_rtsp;
847 answer->i_status = 200;
848 answer->psz_status = strdup( "OK" );
850 answer->p_body = NULL;
852 psz_session = httpd_MsgGet( query, "Session" );
853 msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
855 p_rtsp = RtspClientGet( p_media, psz_session );
858 for( i = 0; i < p_rtsp->i_es; i++ )
860 if( p_rtsp->es[i]->p_media_es == p_es )
862 if( p_rtsp->es[i]->psz_ip ) free( p_rtsp->es[i]->psz_ip );
863 TAB_REMOVE( p_rtsp->i_es, p_rtsp->es, p_rtsp->es[i] );
870 vod_MediaControl( p_vod, p_media, psz_session,
872 RtspClientDel( p_media, p_rtsp );
878 case HTTPD_MSG_PAUSE:
879 answer->i_status = 460;
880 answer->psz_status = strdup( "Only Aggregate Operation Allowed" );
882 answer->p_body = NULL;
890 httpd_MsgAdd( answer, "Server", "VLC Server" );
891 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
892 httpd_MsgAdd( answer, "Cseq", "%d",
893 atoi( httpd_MsgGet( query, "Cseq" ) ) );
894 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
898 httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
904 /*****************************************************************************
906 * FIXME: need to be moved to a common place ?
907 *****************************************************************************/
908 static char *SDPGenerate( vod_media_t *p_media, char *psz_destination )
914 i_size = strlen( "v=0\r\n" ) +
915 strlen( "o=- * * IN IP4 127.0.0.1\r\n" ) + 10 + 10 +
916 strlen( "s=*\r\n" ) + strlen( p_media->psz_session_name ) +
917 strlen( "i=*\r\n" ) + strlen( p_media->psz_session_description ) +
918 strlen( "u=*\r\n" ) + strlen( p_media->psz_session_url ) +
919 strlen( "e=*\r\n" ) + strlen( p_media->psz_session_email ) +
920 strlen( "t=0 0\r\n" ) + /* FIXME */
921 strlen( "a=tool:"PACKAGE_STRING"\r\n" ) +
922 strlen( "c=IN IP4 */*\r\n" ) + 20 + 10 +
923 strlen( psz_destination ? psz_destination : "0.0.0.0" ) ;
925 for( i = 0; i < p_media->i_es; i++ )
927 media_es_t *p_es = p_media->es[i];
929 i_size += strlen( "m=**d*o * RTP/AVP *\r\n" ) + 10 + 10;
930 if( p_es->psz_rtpmap )
932 i_size += strlen( "a=rtpmap:* *\r\n" ) +
933 strlen( p_es->psz_rtpmap ) + 10;
937 i_size += strlen( "a=fmtp:* *\r\n" ) +
938 strlen( p_es->psz_fmtp ) + 10;
941 i_size += strlen( "a=control:*/trackid=*\r\n" ) +
942 strlen( p_media->psz_rtsp_control ) + 10;
945 p = psz_sdp = malloc( i_size );
946 p += sprintf( p, "v=0\r\n" );
947 p += sprintf( p, "o=- "I64Fd" %d IN IP4 127.0.0.1\r\n",
948 p_media->i_sdp_id, p_media->i_sdp_version );
949 if( *p_media->psz_session_name )
950 p += sprintf( p, "s=%s\r\n", p_media->psz_session_name );
951 if( *p_media->psz_session_description )
952 p += sprintf( p, "i=%s\r\n", p_media->psz_session_description );
953 if( *p_media->psz_session_url )
954 p += sprintf( p, "u=%s\r\n", p_media->psz_session_url );
955 if( *p_media->psz_session_email )
956 p += sprintf( p, "e=%s\r\n", p_media->psz_session_email );
958 p += sprintf( p, "t=0 0\r\n" ); /* FIXME */
959 p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" );
961 p += sprintf( p, "c=IN IP4 %s/%d\r\n", psz_destination ?
962 psz_destination : "0.0.0.0", p_media->i_ttl );
964 for( i = 0; i < p_media->i_es; i++ )
966 media_es_t *p_es = p_media->es[i];
968 if( p_es->fmt.i_cat == AUDIO_ES )
970 p += sprintf( p, "m=audio %d RTP/AVP %d\r\n",
971 p_es->i_port, p_es->i_payload_type );
973 else if( p_es->fmt.i_cat == VIDEO_ES )
975 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
976 p_es->i_port, p_es->i_payload_type );
983 if( p_es->psz_rtpmap )
985 p += sprintf( p, "a=rtpmap:%d %s\r\n", p_es->i_payload_type,
990 p += sprintf( p, "a=fmtp:%d %s\r\n", p_es->i_payload_type,
994 p += sprintf( p, "a=control:%s/trackid=%d\r\n",
995 p_media->psz_rtsp_control, i );
998 fprintf( stderr, psz_sdp );