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_capability( "vod server", 1 );
53 set_callbacks( Open, Close );
54 add_shortcut( "rtsp" );
55 add_string ( "rtsp-host", NULL, NULL, HOST_TEXT, HOST_LONGTEXT, VLC_TRUE );
58 /*****************************************************************************
60 *****************************************************************************/
62 typedef struct media_es_t media_es_t;
66 media_es_t *p_media_es;
75 int64_t i_last; /* for timeout */
77 vlc_bool_t b_playing; /* is it in "play" state */
78 vlc_bool_t b_paused; /* is it in "pause" state */
81 rtsp_client_es_t **es;
91 httpd_url_t *p_rtsp_url;
97 uint8_t i_payload_type;
109 httpd_url_t *p_rtsp_url;
110 char *psz_rtsp_control;
113 char *psz_destination;
123 vlc_bool_t b_multicast;
134 rtsp_client_t **rtsp;
137 char *psz_session_name;
138 char *psz_session_description;
139 char *psz_session_url;
140 char *psz_session_email;
146 httpd_host_t *p_rtsp_host;
156 static vod_media_t *MediaNew( vod_t *, char *, input_item_t * );
157 static void MediaDel( vod_t *, vod_media_t * );
158 static int MediaAddES( vod_t *, vod_media_t *, es_format_t * );
159 static void MediaDelES( vod_t *, vod_media_t *, es_format_t * );
161 static rtsp_client_t *RtspClientNew( vod_media_t *, char * );
162 static rtsp_client_t *RtspClientGet( vod_media_t *, char * );
163 static void RtspClientDel( vod_media_t *, rtsp_client_t * );
165 static int RtspCallback( httpd_callback_sys_t *, httpd_client_t *,
166 httpd_message_t *, httpd_message_t * );
167 static int RtspCallbackES( httpd_callback_sys_t *, httpd_client_t *,
168 httpd_message_t *, httpd_message_t * );
170 static char *SDPGenerate( vod_media_t *, char * );
172 static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
174 static const char hex[16] = "0123456789abcdef";
177 for( i = 0; i < i_data; i++ )
179 s[2*i+0] = hex[(p_data[i]>>4)&0xf];
180 s[2*i+1] = hex[(p_data[i] )&0xf];
185 /*****************************************************************************
186 * Open: Starts the RTSP server module
187 *****************************************************************************/
188 static int Open( vlc_object_t *p_this )
190 vod_t *p_vod = (vod_t *)p_this;
191 vod_sys_t *p_sys = 0;
195 psz_url = config_GetPsz( p_vod, "rtsp-host" );
196 vlc_UrlParse( &url, psz_url, 0 );
197 if( psz_url ) free( psz_url );
199 if( !url.psz_host || !*url.psz_host )
201 if( url.psz_host ) free( url.psz_host );
202 url.psz_host = strdup( "localhost" );
204 if( url.i_port <= 0 ) url.i_port = 554;
206 p_vod->p_sys = p_sys = malloc( sizeof( vod_sys_t ) );
207 if( !p_sys ) goto error;
208 p_sys->p_rtsp_host = 0;
211 httpd_HostNew( VLC_OBJECT(p_vod), url.psz_host, url.i_port );
212 if( !p_sys->p_rtsp_host )
214 msg_Err( p_vod, "cannot create http server (%s:%i)",
215 url.psz_host, url.i_port );
219 p_sys->psz_host = strdup( url.psz_host );
220 p_sys->psz_path = strdup( url.psz_path ? url.psz_path : "/" );
221 p_sys->i_port = url.i_port;
223 vlc_UrlClean( &url );
227 p_vod->pf_media_new = MediaNew;
228 p_vod->pf_media_del = MediaDel;
229 p_vod->pf_media_add_es = MediaAddES;
230 p_vod->pf_media_del_es = MediaDelES;
236 if( p_sys && p_sys->p_rtsp_host ) httpd_HostDelete( p_sys->p_rtsp_host );
237 if( p_sys ) free( p_sys );
238 vlc_UrlClean( &url );
242 /*****************************************************************************
244 *****************************************************************************/
245 static void Close( vlc_object_t * p_this )
247 vod_t *p_vod = (vod_t *)p_this;
248 vod_sys_t *p_sys = p_vod->p_sys;
250 httpd_HostDelete( p_sys->p_rtsp_host );
252 /* TODO delete medias */
257 /*****************************************************************************
259 *****************************************************************************/
260 static vod_media_t *MediaNew( vod_t *p_vod, char *psz_name,
261 input_item_t *p_item )
263 vod_sys_t *p_sys = p_vod->p_sys;
264 vod_media_t *p_media = malloc( sizeof(vod_media_t) );
267 memset( p_media, 0, sizeof(vod_media_t) );
269 p_media->psz_mux = 0;
272 asprintf( &p_media->psz_rtsp_path, "%s%s", p_sys->psz_path, psz_name );
273 p_media->p_rtsp_url =
274 httpd_UrlNewUnique( p_sys->p_rtsp_host, p_media->psz_rtsp_path, 0, 0 );
276 if( !p_media->p_rtsp_url )
278 msg_Err( p_vod, "cannot create http url (%s)", p_media->psz_rtsp_path);
279 free( p_media->psz_rtsp_path );
284 msg_Dbg( p_vod, "created rtsp url: %s", p_media->psz_rtsp_path );
286 asprintf( &p_media->psz_rtsp_control, "rtsp://%s:%d%s",
287 p_sys->psz_host, p_sys->i_port, p_media->psz_rtsp_path );
289 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_DESCRIBE,
290 RtspCallback, (void*)p_media );
291 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_PLAY,
292 RtspCallback, (void*)p_media );
293 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_PAUSE,
294 RtspCallback, (void*)p_media );
295 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_TEARDOWN,
296 RtspCallback, (void*)p_media );
298 p_media->p_vod = p_vod;
300 TAB_APPEND( p_sys->i_media, p_sys->media, p_media );
302 vlc_mutex_init( p_vod, &p_media->lock );
303 p_media->psz_session_name = strdup("");
304 p_media->psz_session_description = strdup("");
305 p_media->psz_session_url = strdup("");
306 p_media->psz_session_email = strdup("");
308 p_media->i_port_audio = 1234;
309 p_media->i_port_video = 1236;
310 p_media->i_port = 1238;
311 p_media->i_payload_type = 96;
313 p_media->i_sdp_id = mdate();
314 p_media->i_sdp_version = 1;
316 vlc_mutex_lock( &p_item->lock );
317 msg_Dbg( p_vod, "media has %i declared ES", p_item->i_es );
318 for( i = 0; i < p_item->i_es; i++ )
320 MediaAddES( p_vod, p_media, p_item->es[i] );
322 vlc_mutex_unlock( &p_item->lock );
327 static void MediaDel( vod_t *p_vod, vod_media_t *p_media )
329 vod_sys_t *p_sys = p_vod->p_sys;
331 msg_Dbg( p_vod, "deleting media: %s", p_media->psz_rtsp_path );
333 while( p_media->i_rtsp > 0 ) RtspClientDel( p_media, p_media->rtsp[0] );
334 httpd_UrlDelete( p_media->p_rtsp_url );
335 if( p_media->psz_rtsp_path ) free( p_media->psz_rtsp_path );
336 if( p_media->psz_rtsp_control ) free( p_media->psz_rtsp_control );
338 TAB_REMOVE( p_sys->i_media, p_sys->media, p_media );
340 while( p_media->i_es ) MediaDelES( p_vod, p_media, &p_media->es[0]->fmt );
342 vlc_mutex_destroy( &p_media->lock );
346 static int MediaAddES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt )
348 media_es_t *p_es = malloc( sizeof(media_es_t) );
351 memset( p_es, 0, sizeof(media_es_t) );
352 p_media->psz_mux = NULL;
354 /* TODO: update SDP, etc... */
355 asprintf( &psz_urlc, "%s/trackid=%d",
356 p_media->psz_rtsp_path, p_media->i_es );
357 msg_Dbg( p_vod, " - ES %4.4s (%s)", (char *)&p_fmt->i_codec, psz_urlc );
359 switch( p_fmt->i_codec )
361 case VLC_FOURCC( 's', '1', '6', 'b' ):
362 if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
364 p_es->i_payload_type = 11;
366 else if( p_fmt->audio.i_channels == 2 && p_fmt->audio.i_rate == 44100 )
368 p_es->i_payload_type = 10;
372 p_es->i_payload_type = p_media->i_payload_type++;
375 p_es->psz_rtpmap = malloc( strlen( "L16/*/*" ) + 20+1 );
376 sprintf( p_es->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
377 p_fmt->audio.i_channels );
379 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
380 p_es->i_payload_type = p_media->i_payload_type++;
381 p_es->psz_rtpmap = malloc( strlen( "L8/*/*" ) + 20+1 );
382 sprintf( p_es->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
383 p_fmt->audio.i_channels );
385 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
386 p_es->i_payload_type = 14;
387 p_es->psz_rtpmap = strdup( "MPA/90000" );
389 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
390 p_es->i_payload_type = 32;
391 p_es->psz_rtpmap = strdup( "MPV/90000" );
393 case VLC_FOURCC( 'a', '5', '2', ' ' ):
394 p_es->i_payload_type = p_media->i_payload_type++;
395 p_es->psz_rtpmap = strdup( "ac3/90000" );
397 case VLC_FOURCC( 'H', '2', '6', '3' ):
398 p_es->i_payload_type = p_media->i_payload_type++;
399 p_es->psz_rtpmap = strdup( "H263-1998/90000" );
401 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
402 p_es->i_payload_type = p_media->i_payload_type++;
403 p_es->psz_rtpmap = strdup( "MP4V-ES/90000" );
404 if( p_fmt->i_extra > 0 )
406 char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
407 p_es->psz_fmtp = malloc( 100 + 2 * p_fmt->i_extra );
408 sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
409 sprintf( p_es->psz_fmtp,
410 "profile-level-id=3; config=%s;", p_hexa );
414 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
415 p_es->i_payload_type = p_media->i_payload_type++;
416 p_es->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
417 sprintf( p_es->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
418 if( p_fmt->i_extra > 0 )
420 char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
421 p_es->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
422 sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
423 sprintf( p_es->psz_fmtp,
424 "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
425 "config=%s; SizeLength=13;IndexLength=3; "
426 "IndexDeltaLength=3; Profile=1;", p_hexa );
430 case VLC_FOURCC( 'm', 'p', '2', 't' ):
431 p_media->psz_mux = "ts";
432 p_es->i_payload_type = 33;
433 p_es->psz_rtpmap = strdup( "MP2T/90000" );
435 case VLC_FOURCC( 'm', 'p', '2', 'p' ):
436 p_media->psz_mux = "ps";
437 p_es->i_payload_type = p_media->i_payload_type++;
438 p_es->psz_rtpmap = strdup( "MP2P/90000" );
442 msg_Err( p_vod, "cannot add this stream (unsupported "
443 "codec: %4.4s)", (char*)&p_fmt->i_codec );
449 httpd_UrlNewUnique( p_vod->p_sys->p_rtsp_host, psz_urlc, 0, 0 );
451 if( !p_es->p_rtsp_url )
453 msg_Err( p_vod, "cannot create http url (%s)", psz_urlc );
460 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_SETUP,
461 RtspCallbackES, (void*)p_es );
462 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_TEARDOWN,
463 RtspCallbackES, (void*)p_es );
464 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PLAY,
465 RtspCallbackES, (void*)p_es );
466 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PAUSE,
467 RtspCallbackES, (void*)p_es );
469 es_format_Copy( &p_es->fmt, p_fmt );
471 p_es->p_media = p_media;
474 /* Choose the port */
475 if( p_fmt->i_cat == AUDIO_ES && p_media->i_port_audio > 0 )
477 p_es->i_port = p_media->i_port_audio;
478 p_media->i_port_audio = 0;
480 else if( p_fmt->i_cat == VIDEO_ES && p_media->i_port_video > 0 )
482 p_es->i_port = p_media->i_port_video;
483 p_media->i_port_video = 0;
485 while( !p_es->i_port )
487 if( p_media->i_port != p_media->i_port_audio &&
488 p_media->i_port != p_media->i_port_video )
490 p_es->i_port = p_media->i_port;
491 p_media->i_port += 2;
494 p_media->i_port += 2;
501 vlc_mutex_lock( &p_media->lock );
502 TAB_APPEND( p_media->i_es, p_media->es, p_es );
503 vlc_mutex_unlock( &p_media->lock );
505 p_media->i_sdp_version++;
510 static void MediaDelES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt)
512 media_es_t *p_es = 0;
516 for( i = 0; i < p_media->i_es; i++ )
518 if( p_media->es[i]->fmt.i_cat == p_fmt->i_cat &&
519 p_media->es[i]->fmt.i_codec == p_fmt->i_codec &&
520 p_media->es[i]->fmt.i_id == p_fmt->i_id )
522 p_es = p_media->es[i];
527 msg_Dbg( p_vod, " - Removing ES %4.4s", (char *)&p_fmt->i_codec );
529 vlc_mutex_lock( &p_media->lock );
530 TAB_REMOVE( p_media->i_es, p_media->es, p_es );
531 vlc_mutex_unlock( &p_media->lock );
533 if( p_es->psz_rtpmap ) free( p_es->psz_rtpmap );
534 if( p_es->psz_fmtp ) free( p_es->psz_fmtp );
535 p_media->i_sdp_version++;
537 if( p_es->p_rtsp_url ) httpd_UrlDelete( p_es->p_rtsp_url );
538 es_format_Clean( &p_es->fmt );
541 /****************************************************************************
542 * RTSP server implementation
543 ****************************************************************************/
544 static rtsp_client_t *RtspClientNew( vod_media_t *p_media, char *psz_session )
546 rtsp_client_t *p_rtsp = malloc( sizeof(rtsp_client_t) );
547 memset( p_rtsp, 0, sizeof(rtsp_client_t) );
550 p_rtsp->psz_session = psz_session;
551 TAB_APPEND( p_media->i_rtsp, p_media->rtsp, p_rtsp );
553 msg_Dbg( p_media->p_vod, "new session: %s", psz_session );
558 static rtsp_client_t *RtspClientGet( vod_media_t *p_media, char *psz_session )
562 for( i = 0; psz_session && i < p_media->i_rtsp; i++ )
564 if( !strcmp( p_media->rtsp[i]->psz_session, psz_session ) )
566 return p_media->rtsp[i];
573 static void RtspClientDel( vod_media_t *p_media, rtsp_client_t *p_rtsp )
575 msg_Dbg( p_media->p_vod, "closing session: %s", p_rtsp->psz_session );
577 while( p_rtsp->i_es-- )
579 if( p_rtsp->es[p_rtsp->i_es]->psz_ip )
580 free( p_rtsp->es[p_rtsp->i_es]->psz_ip );
581 free( p_rtsp->es[p_rtsp->i_es] );
582 if( !p_rtsp->i_es ) free( p_rtsp->es );
585 TAB_REMOVE( p_media->i_rtsp, p_media->rtsp, p_rtsp );
587 free( p_rtsp->psz_session );
591 static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
592 httpd_message_t *answer, httpd_message_t *query )
594 vod_media_t *p_media = (vod_media_t*)p_args;
595 vod_t *p_vod = p_media->p_vod;
596 char *psz_destination = p_media->psz_destination;
597 char *psz_session = NULL;
598 rtsp_client_t *p_rtsp;
600 if( answer == NULL || query == NULL ) return VLC_SUCCESS;
602 fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
604 answer->i_proto = HTTPD_PROTO_RTSP;
605 answer->i_version = query->i_version;
606 answer->i_type = HTTPD_MSG_ANSWER;
608 switch( query->i_type )
610 case HTTPD_MSG_DESCRIBE:
613 SDPGenerate( p_media, psz_destination ?
614 psz_destination : "0.0.0.0" );
616 answer->i_status = 200;
617 answer->psz_status = strdup( "OK" );
618 httpd_MsgAdd( answer, "Content-type", "%s", "application/sdp" );
620 answer->p_body = psz_sdp;
621 answer->i_body = strlen( psz_sdp );
627 char *psz_output, *ip;
628 int i, i_port_audio = 0, i_port_video = 0;
630 /* for now only multicast so easy */
631 answer->i_status = 200;
632 answer->psz_status = strdup( "OK" );
634 answer->p_body = NULL;
636 psz_session = httpd_MsgGet( query, "Session" );
637 msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session );
639 p_rtsp = RtspClientGet( p_media, psz_session );
642 if( p_rtsp->b_playing && p_rtsp->b_paused )
644 vod_MediaControl( p_vod, p_media, psz_session,
646 p_rtsp->b_paused = VLC_FALSE;
649 else if( p_rtsp->b_playing ) break;
651 if( !(ip = httpd_ClientIP( cl )) ) break;
653 p_rtsp->b_playing = VLC_TRUE;
655 /* FIXME for != 1 video and 1 audio */
656 for( i = 0; i < p_rtsp->i_es; i++ )
658 if( p_rtsp->es[i]->p_media_es->fmt.i_cat == AUDIO_ES )
659 i_port_audio = p_rtsp->es[i]->i_port;
660 if( p_rtsp->es[i]->p_media_es->fmt.i_cat == VIDEO_ES )
661 i_port_video = p_rtsp->es[i]->i_port;
664 if( p_media->psz_mux )
666 asprintf( &psz_output, "rtp{dst=%s,port=%i,mux=%s}",
667 ip, i_port_video, p_media->psz_mux );
671 asprintf( &psz_output, "rtp{dst=%s,port-video=%i,"
672 "port-audio=%i}", ip, i_port_video, i_port_audio );
675 vod_MediaControl( p_vod, p_media, psz_session, VOD_MEDIA_PLAY,
682 case HTTPD_MSG_PAUSE:
683 psz_session = httpd_MsgGet( query, "Session" );
684 msg_Dbg( p_vod, "HTTPD_MSG_PAUSE for session: %s", psz_session );
686 p_rtsp = RtspClientGet( p_media, psz_session );
689 vod_MediaControl( p_vod, p_media, psz_session, VOD_MEDIA_PAUSE );
690 p_rtsp->b_paused = VLC_TRUE;
692 answer->i_status = 200;
693 answer->psz_status = strdup( "OK" );
695 answer->p_body = NULL;
698 case HTTPD_MSG_TEARDOWN:
699 /* for now only multicast so easy again */
700 answer->i_status = 200;
701 answer->psz_status = strdup( "OK" );
703 answer->p_body = NULL;
705 psz_session = httpd_MsgGet( query, "Session" );
706 msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
708 p_rtsp = RtspClientGet( p_media, psz_session );
711 vod_MediaControl( p_vod, p_media, psz_session, VOD_MEDIA_STOP );
712 RtspClientDel( p_media, p_rtsp );
719 httpd_MsgAdd( answer, "Server", "VLC Server" );
720 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
721 httpd_MsgAdd( answer, "Cseq", "%d",
722 atoi( httpd_MsgGet( query, "Cseq" ) ) );
723 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
727 httpd_MsgAdd( answer, "Session", "%s;timeout=5", psz_session );
733 static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl,
734 httpd_message_t *answer, httpd_message_t *query )
736 media_es_t *p_es = (media_es_t*)p_args;
737 vod_media_t *p_media = p_es->p_media;
738 vod_t *p_vod = p_media->p_vod;
739 char *psz_session = NULL;
740 char *psz_transport = NULL;
743 if( answer == NULL || query == NULL ) return VLC_SUCCESS;
745 fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
747 answer->i_proto = HTTPD_PROTO_RTSP;
748 answer->i_version = query->i_version;
749 answer->i_type = HTTPD_MSG_ANSWER;
751 switch( query->i_type )
753 case HTTPD_MSG_SETUP:
754 psz_transport = httpd_MsgGet( query, "Transport" );
755 fprintf( stderr, "HTTPD_MSG_SETUP: transport=%s\n", psz_transport );
757 if( strstr( psz_transport, "multicast" ) && p_media->psz_destination )
759 fprintf( stderr, "HTTPD_MSG_SETUP: multicast\n" );
760 answer->i_status = 200;
761 answer->psz_status = strdup( "OK" );
763 answer->p_body = NULL;
765 psz_session = httpd_MsgGet( query, "Session" );
766 if( !psz_session || !*psz_session )
768 asprintf( &psz_session, "%d", rand() );
771 httpd_MsgAdd( answer, "Transport",
772 "RTP/AVP/UDP;destination=%s;port=%d-%d;ttl=%d",
773 p_media->psz_destination, p_media->i_port,
774 p_media->i_port+1, p_media->i_ttl );
776 else if( strstr( psz_transport, "unicast" ) &&
777 strstr( psz_transport, "client_port=" ) )
779 rtsp_client_t *p_rtsp;
780 rtsp_client_es_t *p_rtsp_es;
781 char *ip = httpd_ClientIP( cl );
782 int i_port = atoi( strstr( psz_transport, "client_port=" ) +
783 strlen("client_port=") );
787 answer->i_status = 400;
788 answer->psz_status = strdup( "Internal server error" );
790 answer->p_body = NULL;
794 fprintf( stderr, "HTTPD_MSG_SETUP: unicast ip=%s port=%d\n",
797 psz_session = httpd_MsgGet( query, "Session" );
798 if( !psz_session || !*psz_session )
800 asprintf( &psz_session, "%d", rand() );
801 p_rtsp = RtspClientNew( p_media, psz_session );
805 p_rtsp = RtspClientGet( p_media, psz_session );
808 /* FIXME right error code */
809 answer->i_status = 400;
810 answer->psz_status = strdup( "Unknown session id" );
812 answer->p_body = NULL;
818 p_rtsp_es = malloc( sizeof(rtsp_client_es_t) );
819 p_rtsp_es->i_port = i_port;
820 p_rtsp_es->psz_ip = strdup( ip );
821 p_rtsp_es->p_media_es = p_es;
822 TAB_APPEND( p_rtsp->i_es, p_rtsp->es, p_rtsp_es );
824 answer->i_status = 200;
825 answer->psz_status = strdup( "OK" );
827 answer->p_body = NULL;
829 httpd_MsgAdd( answer, "Transport", "RTP/AVP/UDP;client_port=%d-%d",
830 i_port, i_port + 1 );
832 else /* TODO strstr( psz_transport, "interleaved" ) ) */
834 answer->i_status = 400;
835 answer->psz_status = strdup( "Bad Request" );
837 answer->p_body = NULL;
841 case HTTPD_MSG_TEARDOWN:
843 rtsp_client_t *p_rtsp;
845 answer->i_status = 200;
846 answer->psz_status = strdup( "OK" );
848 answer->p_body = NULL;
850 psz_session = httpd_MsgGet( query, "Session" );
851 msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
853 p_rtsp = RtspClientGet( p_media, psz_session );
856 for( i = 0; i < p_rtsp->i_es; i++ )
858 if( p_rtsp->es[i]->p_media_es == p_es )
860 if( p_rtsp->es[i]->psz_ip ) free( p_rtsp->es[i]->psz_ip );
861 TAB_REMOVE( p_rtsp->i_es, p_rtsp->es, p_rtsp->es[i] );
868 vod_MediaControl( p_vod, p_media, psz_session,
870 RtspClientDel( p_media, p_rtsp );
876 case HTTPD_MSG_PAUSE:
877 answer->i_status = 460;
878 answer->psz_status = strdup( "Only Aggregate Operation Allowed" );
880 answer->p_body = NULL;
888 httpd_MsgAdd( answer, "Server", "VLC Server" );
889 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
890 httpd_MsgAdd( answer, "Cseq", "%d",
891 atoi( httpd_MsgGet( query, "Cseq" ) ) );
892 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
896 httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
902 /*****************************************************************************
904 * FIXME: need to be moved to a common place ?
905 *****************************************************************************/
906 static char *SDPGenerate( vod_media_t *p_media, char *psz_destination )
912 i_size = strlen( "v=0\r\n" ) +
913 strlen( "o=- * * IN IP4 127.0.0.1\r\n" ) + 10 + 10 +
914 strlen( "s=*\r\n" ) + strlen( p_media->psz_session_name ) +
915 strlen( "i=*\r\n" ) + strlen( p_media->psz_session_description ) +
916 strlen( "u=*\r\n" ) + strlen( p_media->psz_session_url ) +
917 strlen( "e=*\r\n" ) + strlen( p_media->psz_session_email ) +
918 strlen( "t=0 0\r\n" ) + /* FIXME */
919 strlen( "a=tool:"PACKAGE_STRING"\r\n" ) +
920 strlen( "c=IN IP4 */*\r\n" ) + 20 + 10 +
921 strlen( psz_destination ? psz_destination : "0.0.0.0" ) ;
923 for( i = 0; i < p_media->i_es; i++ )
925 media_es_t *p_es = p_media->es[i];
927 i_size += strlen( "m=**d*o * RTP/AVP *\r\n" ) + 10 + 10;
928 if( p_es->psz_rtpmap )
930 i_size += strlen( "a=rtpmap:* *\r\n" ) +
931 strlen( p_es->psz_rtpmap ) + 10;
935 i_size += strlen( "a=fmtp:* *\r\n" ) +
936 strlen( p_es->psz_fmtp ) + 10;
939 i_size += strlen( "a=control:*/trackid=*\r\n" ) +
940 strlen( p_media->psz_rtsp_control ) + 10;
943 p = psz_sdp = malloc( i_size );
944 p += sprintf( p, "v=0\r\n" );
945 p += sprintf( p, "o=- "I64Fd" %d IN IP4 127.0.0.1\r\n",
946 p_media->i_sdp_id, p_media->i_sdp_version );
947 if( *p_media->psz_session_name )
948 p += sprintf( p, "s=%s\r\n", p_media->psz_session_name );
949 if( *p_media->psz_session_description )
950 p += sprintf( p, "i=%s\r\n", p_media->psz_session_description );
951 if( *p_media->psz_session_url )
952 p += sprintf( p, "u=%s\r\n", p_media->psz_session_url );
953 if( *p_media->psz_session_email )
954 p += sprintf( p, "e=%s\r\n", p_media->psz_session_email );
956 p += sprintf( p, "t=0 0\r\n" ); /* FIXME */
957 p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" );
959 p += sprintf( p, "c=IN IP4 %s/%d\r\n", psz_destination ?
960 psz_destination : "0.0.0.0", p_media->i_ttl );
962 for( i = 0; i < p_media->i_es; i++ )
964 media_es_t *p_es = p_media->es[i];
966 if( p_es->fmt.i_cat == AUDIO_ES )
968 p += sprintf( p, "m=audio %d RTP/AVP %d\r\n",
969 p_es->i_port, p_es->i_payload_type );
971 else if( p_es->fmt.i_cat == VIDEO_ES )
973 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
974 p_es->i_port, p_es->i_payload_type );
981 if( p_es->psz_rtpmap )
983 p += sprintf( p, "a=rtpmap:%d %s\r\n", p_es->i_payload_type,
988 p += sprintf( p, "a=fmtp:%d %s\r\n", p_es->i_payload_type,
992 p += sprintf( p, "a=control:%s/trackid=%d\r\n",
993 p_media->psz_rtsp_control, i );
996 fprintf( stderr, psz_sdp );