1 /*****************************************************************************
2 * rtsp.c: rtsp VoD server module
3 *****************************************************************************
4 * Copyright (C) 2003-2004 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., 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." \
49 "\n Syntax is address:port/path. Default is to bind to any address "\
50 "on port 554, with no path." )
52 set_shortname( _("RTSP VoD" ) );
53 set_description( _("RTSP VoD server") );
54 set_category( CAT_SOUT );
55 set_subcategory( SUBCAT_SOUT_VOD );
56 set_capability( "vod server", 1 );
57 set_callbacks( Open, Close );
58 add_shortcut( "rtsp" );
59 add_string ( "rtsp-host", NULL, NULL, HOST_TEXT, HOST_LONGTEXT, VLC_TRUE );
62 /*****************************************************************************
64 *****************************************************************************/
66 typedef struct media_es_t media_es_t;
70 media_es_t *p_media_es;
79 int64_t i_last; /* for timeout */
81 vlc_bool_t b_playing; /* is it in "play" state */
82 vlc_bool_t b_paused; /* is it in "pause" state */
85 rtsp_client_es_t **es;
95 httpd_url_t *p_rtsp_url;
101 uint8_t i_payload_type;
113 httpd_url_t *p_rtsp_url;
114 char *psz_rtsp_control;
126 vlc_bool_t b_multicast;
137 rtsp_client_t **rtsp;
140 char *psz_session_name;
141 char *psz_session_description;
142 char *psz_session_url;
143 char *psz_session_email;
150 httpd_host_t *p_rtsp_host;
160 static vod_media_t *MediaNew( vod_t *, char *, input_item_t * );
161 static void MediaDel( vod_t *, vod_media_t * );
162 static int MediaAddES( vod_t *, vod_media_t *, es_format_t * );
163 static void MediaDelES( vod_t *, vod_media_t *, es_format_t * );
165 static rtsp_client_t *RtspClientNew( vod_media_t *, char * );
166 static rtsp_client_t *RtspClientGet( vod_media_t *, char * );
167 static void RtspClientDel( vod_media_t *, rtsp_client_t * );
169 static int RtspCallback( httpd_callback_sys_t *, httpd_client_t *,
170 httpd_message_t *, httpd_message_t * );
171 static int RtspCallbackES( httpd_callback_sys_t *, httpd_client_t *,
172 httpd_message_t *, httpd_message_t * );
174 static char *SDPGenerate( const vod_media_t *, httpd_client_t *cl );
176 static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
178 static const char hex[16] = "0123456789abcdef";
181 for( i = 0; i < i_data; i++ )
183 s[2*i+0] = hex[(p_data[i]>>4)&0xf];
184 s[2*i+1] = hex[(p_data[i] )&0xf];
189 /*****************************************************************************
190 * Open: Starts the RTSP server module
191 *****************************************************************************/
192 static int Open( vlc_object_t *p_this )
194 vod_t *p_vod = (vod_t *)p_this;
195 vod_sys_t *p_sys = 0;
199 psz_url = config_GetPsz( p_vod, "rtsp-host" );
200 vlc_UrlParse( &url, psz_url, 0 );
201 if( psz_url ) free( psz_url );
203 if( url.i_port <= 0 ) url.i_port = 554;
205 p_vod->p_sys = p_sys = malloc( sizeof( vod_sys_t ) );
206 if( !p_sys ) goto error;
207 p_sys->p_rtsp_host = 0;
210 httpd_HostNew( VLC_OBJECT(p_vod), url.psz_host, url.i_port );
211 if( !p_sys->p_rtsp_host )
213 msg_Err( p_vod, "cannot create http server (%s:%i)",
214 url.psz_host, url.i_port );
218 p_sys->psz_host = strdup( url.psz_host );
219 p_sys->psz_path = strdup( url.psz_path ? url.psz_path : "/" );
220 p_sys->i_port = url.i_port;
222 vlc_UrlClean( &url );
226 p_vod->pf_media_new = MediaNew;
227 p_vod->pf_media_del = MediaDel;
228 p_vod->pf_media_add_es = MediaAddES;
229 p_vod->pf_media_del_es = MediaDelES;
235 if( p_sys && p_sys->p_rtsp_host ) httpd_HostDelete( p_sys->p_rtsp_host );
236 if( p_sys ) free( p_sys );
237 vlc_UrlClean( &url );
241 /*****************************************************************************
243 *****************************************************************************/
244 static void Close( vlc_object_t * p_this )
246 vod_t *p_vod = (vod_t *)p_this;
247 vod_sys_t *p_sys = p_vod->p_sys;
249 httpd_HostDelete( p_sys->p_rtsp_host );
251 /* TODO delete medias */
256 /*****************************************************************************
258 *****************************************************************************/
259 static vod_media_t *MediaNew( vod_t *p_vod, char *psz_name,
260 input_item_t *p_item )
262 vod_sys_t *p_sys = p_vod->p_sys;
263 vod_media_t *p_media = malloc( sizeof(vod_media_t) );
266 memset( p_media, 0, sizeof(vod_media_t) );
268 p_media->psz_mux = 0;
271 asprintf( &p_media->psz_rtsp_path, "%s%s", p_sys->psz_path, psz_name );
272 p_media->p_rtsp_url =
273 httpd_UrlNewUnique( p_sys->p_rtsp_host, p_media->psz_rtsp_path, NULL,
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;
315 p_media->i_length = p_item->i_duration;
317 vlc_mutex_lock( &p_item->lock );
318 msg_Dbg( p_vod, "media has %i declared ES", p_item->i_es );
319 for( i = 0; i < p_item->i_es; i++ )
321 MediaAddES( p_vod, p_media, p_item->es[i] );
323 vlc_mutex_unlock( &p_item->lock );
328 static void MediaDel( vod_t *p_vod, vod_media_t *p_media )
330 vod_sys_t *p_sys = p_vod->p_sys;
332 msg_Dbg( p_vod, "deleting media: %s", p_media->psz_rtsp_path );
334 while( p_media->i_rtsp > 0 ) RtspClientDel( p_media, p_media->rtsp[0] );
335 httpd_UrlDelete( p_media->p_rtsp_url );
336 if( p_media->psz_rtsp_path ) free( p_media->psz_rtsp_path );
337 if( p_media->psz_rtsp_control ) free( p_media->psz_rtsp_control );
339 TAB_REMOVE( p_sys->i_media, p_sys->media, p_media );
341 while( p_media->i_es ) MediaDelES( p_vod, p_media, &p_media->es[0]->fmt );
343 vlc_mutex_destroy( &p_media->lock );
347 static int MediaAddES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt )
349 media_es_t *p_es = malloc( sizeof(media_es_t) );
352 memset( p_es, 0, sizeof(media_es_t) );
353 p_media->psz_mux = NULL;
355 /* TODO: update SDP, etc... */
356 asprintf( &psz_urlc, "%s/trackid=%d",
357 p_media->psz_rtsp_path, p_media->i_es );
358 msg_Dbg( p_vod, " - ES %4.4s (%s)", (char *)&p_fmt->i_codec, psz_urlc );
360 switch( p_fmt->i_codec )
362 case VLC_FOURCC( 's', '1', '6', 'b' ):
363 if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
365 p_es->i_payload_type = 11;
367 else if( p_fmt->audio.i_channels == 2 && p_fmt->audio.i_rate == 44100 )
369 p_es->i_payload_type = 10;
373 p_es->i_payload_type = p_media->i_payload_type++;
376 p_es->psz_rtpmap = malloc( strlen( "L16/*/*" ) + 20+1 );
377 sprintf( p_es->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
378 p_fmt->audio.i_channels );
380 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
381 p_es->i_payload_type = p_media->i_payload_type++;
382 p_es->psz_rtpmap = malloc( strlen( "L8/*/*" ) + 20+1 );
383 sprintf( p_es->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
384 p_fmt->audio.i_channels );
386 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
387 p_es->i_payload_type = 14;
388 p_es->psz_rtpmap = strdup( "MPA/90000" );
390 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
391 p_es->i_payload_type = 32;
392 p_es->psz_rtpmap = strdup( "MPV/90000" );
394 case VLC_FOURCC( 'a', '5', '2', ' ' ):
395 p_es->i_payload_type = p_media->i_payload_type++;
396 p_es->psz_rtpmap = strdup( "ac3/90000" );
398 case VLC_FOURCC( 'H', '2', '6', '3' ):
399 p_es->i_payload_type = p_media->i_payload_type++;
400 p_es->psz_rtpmap = strdup( "H263-1998/90000" );
402 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
403 p_es->i_payload_type = p_media->i_payload_type++;
404 p_es->psz_rtpmap = strdup( "MP4V-ES/90000" );
405 if( p_fmt->i_extra > 0 )
407 char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
408 p_es->psz_fmtp = malloc( 100 + 2 * p_fmt->i_extra );
409 sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
410 sprintf( p_es->psz_fmtp,
411 "profile-level-id=3; config=%s;", p_hexa );
415 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
416 p_es->i_payload_type = p_media->i_payload_type++;
417 p_es->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
418 sprintf( p_es->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
419 if( p_fmt->i_extra > 0 )
421 char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
422 p_es->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
423 sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
424 sprintf( p_es->psz_fmtp,
425 "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
426 "config=%s; SizeLength=13;IndexLength=3; "
427 "IndexDeltaLength=3; Profile=1;", p_hexa );
431 case VLC_FOURCC( 'm', 'p', '2', 't' ):
432 p_media->psz_mux = "ts";
433 p_es->i_payload_type = 33;
434 p_es->psz_rtpmap = strdup( "MP2T/90000" );
436 case VLC_FOURCC( 'm', 'p', '2', 'p' ):
437 p_media->psz_mux = "ps";
438 p_es->i_payload_type = p_media->i_payload_type++;
439 p_es->psz_rtpmap = strdup( "MP2P/90000" );
441 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
442 p_es->i_payload_type = p_media->i_payload_type++;
443 p_es->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
444 "AMR/8000/2" : "AMR/8000" );
445 p_es->psz_fmtp = strdup( "octet-align=1" );
447 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
448 p_es->i_payload_type = p_media->i_payload_type++;
449 p_es->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
450 "AMR-WB/16000/2" : "AMR-WB/16000" );
451 p_es->psz_fmtp = strdup( "octet-align=1" );
455 msg_Err( p_vod, "cannot add this stream (unsupported "
456 "codec: %4.4s)", (char*)&p_fmt->i_codec );
462 httpd_UrlNewUnique( p_vod->p_sys->p_rtsp_host, psz_urlc, NULL, NULL,
465 if( !p_es->p_rtsp_url )
467 msg_Err( p_vod, "cannot create http url (%s)", psz_urlc );
474 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_SETUP,
475 RtspCallbackES, (void*)p_es );
476 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_TEARDOWN,
477 RtspCallbackES, (void*)p_es );
478 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PLAY,
479 RtspCallbackES, (void*)p_es );
480 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PAUSE,
481 RtspCallbackES, (void*)p_es );
483 es_format_Copy( &p_es->fmt, p_fmt );
485 p_es->p_media = p_media;
488 /* Choose the port */
489 if( p_fmt->i_cat == AUDIO_ES && p_media->i_port_audio > 0 )
491 p_es->i_port = p_media->i_port_audio;
492 p_media->i_port_audio = 0;
494 else if( p_fmt->i_cat == VIDEO_ES && p_media->i_port_video > 0 )
496 p_es->i_port = p_media->i_port_video;
497 p_media->i_port_video = 0;
499 while( !p_es->i_port )
501 if( p_media->i_port != p_media->i_port_audio &&
502 p_media->i_port != p_media->i_port_video )
504 p_es->i_port = p_media->i_port;
505 p_media->i_port += 2;
508 p_media->i_port += 2;
515 vlc_mutex_lock( &p_media->lock );
516 TAB_APPEND( p_media->i_es, p_media->es, p_es );
517 vlc_mutex_unlock( &p_media->lock );
519 p_media->i_sdp_version++;
524 static void MediaDelES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt)
526 media_es_t *p_es = 0;
530 for( i = 0; i < p_media->i_es; i++ )
532 if( p_media->es[i]->fmt.i_cat == p_fmt->i_cat &&
533 p_media->es[i]->fmt.i_codec == p_fmt->i_codec &&
534 p_media->es[i]->fmt.i_id == p_fmt->i_id )
536 p_es = p_media->es[i];
541 msg_Dbg( p_vod, " - Removing ES %4.4s", (char *)&p_fmt->i_codec );
543 vlc_mutex_lock( &p_media->lock );
544 TAB_REMOVE( p_media->i_es, p_media->es, p_es );
545 vlc_mutex_unlock( &p_media->lock );
547 if( p_es->psz_rtpmap ) free( p_es->psz_rtpmap );
548 if( p_es->psz_fmtp ) free( p_es->psz_fmtp );
549 p_media->i_sdp_version++;
551 if( p_es->p_rtsp_url ) httpd_UrlDelete( p_es->p_rtsp_url );
552 es_format_Clean( &p_es->fmt );
555 /****************************************************************************
556 * RTSP server implementation
557 ****************************************************************************/
558 static rtsp_client_t *RtspClientNew( vod_media_t *p_media, char *psz_session )
560 rtsp_client_t *p_rtsp = malloc( sizeof(rtsp_client_t) );
561 memset( p_rtsp, 0, sizeof(rtsp_client_t) );
564 p_rtsp->psz_session = psz_session;
565 TAB_APPEND( p_media->i_rtsp, p_media->rtsp, p_rtsp );
567 msg_Dbg( p_media->p_vod, "new session: %s", psz_session );
572 static rtsp_client_t *RtspClientGet( vod_media_t *p_media, char *psz_session )
576 for( i = 0; psz_session && i < p_media->i_rtsp; i++ )
578 if( !strcmp( p_media->rtsp[i]->psz_session, psz_session ) )
580 return p_media->rtsp[i];
587 static void RtspClientDel( vod_media_t *p_media, rtsp_client_t *p_rtsp )
589 msg_Dbg( p_media->p_vod, "closing session: %s", p_rtsp->psz_session );
591 while( p_rtsp->i_es-- )
593 if( p_rtsp->es[p_rtsp->i_es]->psz_ip )
594 free( p_rtsp->es[p_rtsp->i_es]->psz_ip );
595 free( p_rtsp->es[p_rtsp->i_es] );
596 if( !p_rtsp->i_es ) free( p_rtsp->es );
599 TAB_REMOVE( p_media->i_rtsp, p_media->rtsp, p_rtsp );
601 free( p_rtsp->psz_session );
605 static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
606 httpd_message_t *answer, httpd_message_t *query )
608 vod_media_t *p_media = (vod_media_t*)p_args;
609 vod_t *p_vod = p_media->p_vod;
610 char *psz_session = NULL;
611 rtsp_client_t *p_rtsp;
613 if( answer == NULL || query == NULL ) return VLC_SUCCESS;
615 fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
617 answer->i_proto = HTTPD_PROTO_RTSP;
618 answer->i_version = query->i_version;
619 answer->i_type = HTTPD_MSG_ANSWER;
621 switch( query->i_type )
623 case HTTPD_MSG_DESCRIBE:
626 SDPGenerate( p_media, cl );
628 if( psz_sdp != NULL )
630 answer->i_status = 200;
631 answer->psz_status = strdup( "OK" );
632 httpd_MsgAdd( answer, "Content-type", "%s", "application/sdp" );
634 answer->p_body = (uint8_t *)psz_sdp;
635 answer->i_body = strlen( psz_sdp );
639 answer->i_status = 500;
640 answer->psz_status = strdup( "Internal server error" );
641 answer->p_body = NULL;
649 char *psz_output, ip[NI_MAXNUMERICHOST];
650 int i, i_port_audio = 0, i_port_video = 0;
652 /* for now only multicast so easy */
653 answer->i_status = 200;
654 answer->psz_status = strdup( "OK" );
656 answer->p_body = NULL;
658 psz_session = httpd_MsgGet( query, "Session" );
659 msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session );
661 p_rtsp = RtspClientGet( p_media, psz_session );
664 if( p_rtsp->b_playing && p_rtsp->b_paused )
666 vod_MediaControl( p_vod, p_media, psz_session,
668 p_rtsp->b_paused = VLC_FALSE;
671 else if( p_rtsp->b_playing ) break;
673 if( httpd_ClientIP( cl, ip ) == NULL ) break;
675 p_rtsp->b_playing = VLC_TRUE;
677 /* FIXME for != 1 video and 1 audio */
678 for( i = 0; i < p_rtsp->i_es; i++ )
680 if( p_rtsp->es[i]->p_media_es->fmt.i_cat == AUDIO_ES )
681 i_port_audio = p_rtsp->es[i]->i_port;
682 if( p_rtsp->es[i]->p_media_es->fmt.i_cat == VIDEO_ES )
683 i_port_video = p_rtsp->es[i]->i_port;
686 if( p_media->psz_mux )
688 asprintf( &psz_output, "rtp{dst=%s,port=%i,mux=%s}",
689 ip, i_port_video, p_media->psz_mux );
693 asprintf( &psz_output, "rtp{dst=%s,port-video=%i,"
694 "port-audio=%i}", ip, i_port_video, i_port_audio );
697 vod_MediaControl( p_vod, p_media, psz_session, VOD_MEDIA_PLAY,
703 case HTTPD_MSG_PAUSE:
704 psz_session = httpd_MsgGet( query, "Session" );
705 msg_Dbg( p_vod, "HTTPD_MSG_PAUSE for session: %s", psz_session );
707 p_rtsp = RtspClientGet( p_media, psz_session );
710 vod_MediaControl( p_vod, p_media, psz_session, VOD_MEDIA_PAUSE );
711 p_rtsp->b_paused = VLC_TRUE;
713 answer->i_status = 200;
714 answer->psz_status = strdup( "OK" );
716 answer->p_body = NULL;
719 case HTTPD_MSG_TEARDOWN:
720 /* for now only multicast so easy again */
721 answer->i_status = 200;
722 answer->psz_status = strdup( "OK" );
724 answer->p_body = NULL;
726 psz_session = httpd_MsgGet( query, "Session" );
727 msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
729 p_rtsp = RtspClientGet( p_media, psz_session );
732 vod_MediaControl( p_vod, p_media, psz_session, VOD_MEDIA_STOP );
733 RtspClientDel( p_media, p_rtsp );
740 httpd_MsgAdd( answer, "Server", "VLC Server" );
741 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
742 httpd_MsgAdd( answer, "Cseq", "%d",
743 atoi( httpd_MsgGet( query, "Cseq" ) ) );
744 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
748 httpd_MsgAdd( answer, "Session", "%s;timeout=5", psz_session );
754 static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl,
755 httpd_message_t *answer, httpd_message_t *query )
757 media_es_t *p_es = (media_es_t*)p_args;
758 vod_media_t *p_media = p_es->p_media;
759 vod_t *p_vod = p_media->p_vod;
760 rtsp_client_t *p_rtsp = NULL;
761 char *psz_session = NULL;
762 char *psz_transport = NULL;
763 char *psz_position = NULL;
766 if( answer == NULL || query == NULL ) return VLC_SUCCESS;
768 fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
770 answer->i_proto = HTTPD_PROTO_RTSP;
771 answer->i_version = query->i_version;
772 answer->i_type = HTTPD_MSG_ANSWER;
774 switch( query->i_type )
776 case HTTPD_MSG_SETUP:
777 psz_transport = httpd_MsgGet( query, "Transport" );
778 fprintf( stderr, "HTTPD_MSG_SETUP: transport=%s\n", psz_transport );
780 if( strstr( psz_transport, "unicast" ) &&
781 strstr( psz_transport, "client_port=" ) )
783 rtsp_client_t *p_rtsp;
784 rtsp_client_es_t *p_rtsp_es;
785 char ip[NI_MAXNUMERICHOST];
786 int i_port = atoi( strstr( psz_transport, "client_port=" ) +
787 strlen("client_port=") );
789 if( httpd_ClientIP( cl, ip ) == NULL )
791 answer->i_status = 500;
792 answer->psz_status = strdup( "Internal server error" );
794 answer->p_body = NULL;
798 fprintf( stderr, "HTTPD_MSG_SETUP: unicast ip=%s port=%d\n",
801 psz_session = httpd_MsgGet( query, "Session" );
802 if( !psz_session || !*psz_session )
804 asprintf( &psz_session, "%d", rand() );
805 p_rtsp = RtspClientNew( p_media, psz_session );
809 p_rtsp = RtspClientGet( p_media, psz_session );
812 /* FIXME right error code */
813 answer->i_status = 454;
814 answer->psz_status = strdup( "Unknown session id" );
816 answer->p_body = NULL;
822 p_rtsp_es = malloc( sizeof(rtsp_client_es_t) );
823 p_rtsp_es->i_port = i_port;
824 p_rtsp_es->psz_ip = strdup( ip );
825 p_rtsp_es->p_media_es = p_es;
826 TAB_APPEND( p_rtsp->i_es, p_rtsp->es, p_rtsp_es );
828 answer->i_status = 200;
829 answer->psz_status = strdup( "OK" );
831 answer->p_body = NULL;
833 httpd_MsgAdd( answer, "Transport", "RTP/AVP/UDP;client_port=%d-%d",
834 i_port, i_port + 1 );
836 else /* TODO strstr( psz_transport, "interleaved" ) ) */
838 answer->i_status = 461;
839 answer->psz_status = strdup( "Unsupported Transport" );
841 answer->p_body = NULL;
845 case HTTPD_MSG_TEARDOWN:
846 answer->i_status = 200;
847 answer->psz_status = strdup( "OK" );
849 answer->p_body = NULL;
851 psz_session = httpd_MsgGet( query, "Session" );
852 msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
854 p_rtsp = RtspClientGet( p_media, psz_session );
857 for( i = 0; i < p_rtsp->i_es; i++ )
859 if( p_rtsp->es[i]->p_media_es == p_es )
861 if( p_rtsp->es[i]->psz_ip ) free( p_rtsp->es[i]->psz_ip );
862 TAB_REMOVE( p_rtsp->i_es, p_rtsp->es, p_rtsp->es[i] );
869 vod_MediaControl( p_vod, p_media, psz_session,
871 RtspClientDel( p_media, p_rtsp );
876 /* This is kind of a kludge. Should we only support Aggregate
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 = 200;
901 answer->psz_status = strdup( "OK" );
903 answer->p_body = NULL;
906 case HTTPD_MSG_PAUSE:
907 /* This is kind of a kludge. Should we only support Aggregate
909 psz_session = httpd_MsgGet( query, "Session" );
910 msg_Dbg( p_vod, "HTTPD_MSG_PAUSE for session: %s", psz_session );
912 p_rtsp = RtspClientGet( p_media, psz_session );
915 vod_MediaControl( p_vod, p_media, psz_session, VOD_MEDIA_PAUSE );
916 p_rtsp->b_paused = VLC_TRUE;
918 answer->i_status = 200;
919 answer->psz_status = strdup( "OK" );
921 answer->p_body = NULL;
929 httpd_MsgAdd( answer, "Server", "VLC Server" );
930 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
931 httpd_MsgAdd( answer, "Cseq", "%d",
932 atoi( httpd_MsgGet( query, "Cseq" ) ) );
933 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
937 httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
943 /*****************************************************************************
945 * FIXME: need to be moved to a common place ?
946 *****************************************************************************/
947 static char *SDPGenerate( const vod_media_t *p_media, httpd_client_t *cl )
950 char *p, *psz_sdp, ip[NI_MAXNUMERICHOST], ipv;
952 if( httpd_ServerIP( cl, ip ) == NULL )
955 p = strchr( ip, '%' );
957 *p = '\0'; /* remove scope if present */
959 ipv = ( strchr( ip, ':' ) != NULL ) ? '6' : '4';
962 i_size = sizeof( "v=0\r\n" ) +
963 sizeof( "o=- * * IN IP4 \r\n" ) + 10 + NI_MAXNUMERICHOST +
964 sizeof( "s=*\r\n" ) + strlen( p_media->psz_session_name ) +
965 sizeof( "i=*\r\n" ) + strlen( p_media->psz_session_description ) +
966 sizeof( "u=*\r\n" ) + strlen( p_media->psz_session_url ) +
967 sizeof( "e=*\r\n" ) + strlen( p_media->psz_session_email ) +
968 sizeof( "t=0 0\r\n" ) + /* FIXME */
969 sizeof( "a=tool:"PACKAGE_STRING"\r\n" ) +
970 sizeof( "c=IN IP4 0.0.0.0\r\n" ) + 20 + 10 +
971 sizeof( "a=range:npt=0-1000000000.000\r\n" );
973 for( i = 0; i < p_media->i_es; i++ )
975 media_es_t *p_es = p_media->es[i];
977 i_size += sizeof( "m=**d*o * RTP/AVP *\r\n" ) + 19;
978 if( p_es->psz_rtpmap )
980 i_size += sizeof( "a=rtpmap:* *\r\n" ) +
981 strlen( p_es->psz_rtpmap ) + 9;
985 i_size += sizeof( "a=fmtp:* *\r\n" ) +
986 strlen( p_es->psz_fmtp ) + 9;
989 i_size += sizeof( "a=control:*/trackid=*\r\n" ) +
990 strlen( p_media->psz_rtsp_control ) + 9;
993 p = psz_sdp = malloc( i_size );
994 p += sprintf( p, "v=0\r\n" );
995 p += sprintf( p, "o=- "I64Fd" %d IN IP%c %s\r\n",
996 p_media->i_sdp_id, p_media->i_sdp_version, ipv, ip );
997 if( *p_media->psz_session_name )
998 p += sprintf( p, "s=%s\r\n", p_media->psz_session_name );
999 if( *p_media->psz_session_description )
1000 p += sprintf( p, "i=%s\r\n", p_media->psz_session_description );
1001 if( *p_media->psz_session_url )
1002 p += sprintf( p, "u=%s\r\n", p_media->psz_session_url );
1003 if( *p_media->psz_session_email )
1004 p += sprintf( p, "e=%s\r\n", p_media->psz_session_email );
1006 p += sprintf( p, "t=0 0\r\n" ); /* FIXME */
1007 p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" );
1009 p += sprintf( p, "c=IN IP%c %s\r\n", ipv, ipv == '6' ? "::" : "0.0.0.0" );
1011 if( p_media->i_length > 0 )
1012 p += sprintf( p, "a=range:npt=0-%.3f\r\n",
1013 ((float)(p_media->i_length/1000))/1000 );
1015 for( i = 0; i < p_media->i_es; i++ )
1017 media_es_t *p_es = p_media->es[i];
1019 if( p_es->fmt.i_cat == AUDIO_ES )
1021 p += sprintf( p, "m=audio %d RTP/AVP %d\r\n",
1022 p_es->i_port, p_es->i_payload_type );
1024 else if( p_es->fmt.i_cat == VIDEO_ES )
1026 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
1027 p_es->i_port, p_es->i_payload_type );
1034 if( p_es->psz_rtpmap )
1036 p += sprintf( p, "a=rtpmap:%d %s\r\n", p_es->i_payload_type,
1039 if( p_es->psz_fmtp )
1041 p += sprintf( p, "a=fmtp:%d %s\r\n", p_es->i_payload_type,
1045 p += sprintf( p, "a=control:%s/trackid=%d\r\n",
1046 p_media->psz_rtsp_control, i );