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 "\nSyntax 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_v4, *psz_rtsp_control_v6;
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;
159 static vod_media_t *MediaNew( vod_t *, const 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( const vod_media_t *, httpd_client_t *cl );
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.i_port <= 0 ) url.i_port = 554;
204 p_vod->p_sys = p_sys = malloc( sizeof( vod_sys_t ) );
205 if( !p_sys ) goto error;
206 p_sys->p_rtsp_host = 0;
209 httpd_HostNew( VLC_OBJECT(p_vod), url.psz_host, url.i_port );
210 if( !p_sys->p_rtsp_host )
212 msg_Err( p_vod, "cannot create http server (%s:%i)",
213 url.psz_host, url.i_port );
217 p_sys->psz_path = strdup( url.psz_path ? url.psz_path : "/" );
218 p_sys->i_port = url.i_port;
220 vlc_UrlClean( &url );
224 p_vod->pf_media_new = MediaNew;
225 p_vod->pf_media_del = MediaDel;
226 p_vod->pf_media_add_es = MediaAddES;
227 p_vod->pf_media_del_es = MediaDelES;
233 if( p_sys && p_sys->p_rtsp_host ) httpd_HostDelete( p_sys->p_rtsp_host );
234 if( p_sys ) free( p_sys );
235 vlc_UrlClean( &url );
239 /*****************************************************************************
241 *****************************************************************************/
242 static void Close( vlc_object_t * p_this )
244 vod_t *p_vod = (vod_t *)p_this;
245 vod_sys_t *p_sys = p_vod->p_sys;
247 httpd_HostDelete( p_sys->p_rtsp_host );
249 /* TODO delete medias */
250 free( p_sys->psz_path );
254 /*****************************************************************************
256 *****************************************************************************/
257 static vod_media_t *MediaNew( vod_t *p_vod, const char *psz_name,
258 input_item_t *p_item )
260 vod_sys_t *p_sys = p_vod->p_sys;
261 vod_media_t *p_media = malloc( sizeof(vod_media_t) );
264 memset( p_media, 0, sizeof(vod_media_t) );
266 p_media->psz_mux = 0;
269 asprintf( &p_media->psz_rtsp_path, "%s%s", p_sys->psz_path, psz_name );
270 p_media->p_rtsp_url =
271 httpd_UrlNewUnique( p_sys->p_rtsp_host, p_media->psz_rtsp_path, NULL,
274 if( !p_media->p_rtsp_url )
276 msg_Err( p_vod, "cannot create http url (%s)", p_media->psz_rtsp_path);
277 free( p_media->psz_rtsp_path );
282 msg_Dbg( p_vod, "created rtsp url: %s", p_media->psz_rtsp_path );
284 asprintf( &p_media->psz_rtsp_control_v4,
285 "a=control:rtsp://%%s:%d%s/trackid=%%d\r\n",
286 p_sys->i_port, p_media->psz_rtsp_path );
287 asprintf( &p_media->psz_rtsp_control_v6,
288 "a=control:rtsp://[%%s]:%d%s/trackid=%%d\r\n",
289 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;
317 p_media->i_length = p_item->i_duration;
319 vlc_mutex_lock( &p_item->lock );
320 msg_Dbg( p_vod, "media has %i declared ES", p_item->i_es );
321 for( i = 0; i < p_item->i_es; i++ )
323 MediaAddES( p_vod, p_media, p_item->es[i] );
325 vlc_mutex_unlock( &p_item->lock );
330 static void MediaDel( vod_t *p_vod, vod_media_t *p_media )
332 vod_sys_t *p_sys = p_vod->p_sys;
334 msg_Dbg( p_vod, "deleting media: %s", p_media->psz_rtsp_path );
336 while( p_media->i_rtsp > 0 ) RtspClientDel( p_media, p_media->rtsp[0] );
337 httpd_UrlDelete( p_media->p_rtsp_url );
338 if( p_media->psz_rtsp_path ) free( p_media->psz_rtsp_path );
339 if( p_media->psz_rtsp_control_v6 ) free( p_media->psz_rtsp_control_v6 );
340 if( p_media->psz_rtsp_control_v4 ) free( p_media->psz_rtsp_control_v4 );
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 );
347 free( p_media->psz_session_name );
348 free( p_media->psz_session_description );
349 free( p_media->psz_session_url );
350 free( p_media->psz_session_email );
354 static int MediaAddES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt )
356 media_es_t *p_es = malloc( sizeof(media_es_t) );
359 memset( p_es, 0, sizeof(media_es_t) );
360 p_media->psz_mux = NULL;
362 /* TODO: update SDP, etc... */
363 asprintf( &psz_urlc, "%s/trackid=%d",
364 p_media->psz_rtsp_path, p_media->i_es );
365 msg_Dbg( p_vod, " - ES %4.4s (%s)", (char *)&p_fmt->i_codec, psz_urlc );
367 switch( p_fmt->i_codec )
369 case VLC_FOURCC( 's', '1', '6', 'b' ):
370 if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
372 p_es->i_payload_type = 11;
374 else if( p_fmt->audio.i_channels == 2 && p_fmt->audio.i_rate == 44100 )
376 p_es->i_payload_type = 10;
380 p_es->i_payload_type = p_media->i_payload_type++;
383 p_es->psz_rtpmap = malloc( strlen( "L16/*/*" ) + 20+1 );
384 sprintf( p_es->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
385 p_fmt->audio.i_channels );
387 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
388 p_es->i_payload_type = p_media->i_payload_type++;
389 p_es->psz_rtpmap = malloc( strlen( "L8/*/*" ) + 20+1 );
390 sprintf( p_es->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
391 p_fmt->audio.i_channels );
393 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
394 p_es->i_payload_type = 14;
395 p_es->psz_rtpmap = strdup( "MPA/90000" );
397 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
398 p_es->i_payload_type = 32;
399 p_es->psz_rtpmap = strdup( "MPV/90000" );
401 case VLC_FOURCC( 'a', '5', '2', ' ' ):
402 p_es->i_payload_type = p_media->i_payload_type++;
403 p_es->psz_rtpmap = strdup( "ac3/90000" );
405 case VLC_FOURCC( 'H', '2', '6', '3' ):
406 p_es->i_payload_type = p_media->i_payload_type++;
407 p_es->psz_rtpmap = strdup( "H263-1998/90000" );
409 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
410 p_es->i_payload_type = p_media->i_payload_type++;
411 p_es->psz_rtpmap = strdup( "MP4V-ES/90000" );
412 if( p_fmt->i_extra > 0 )
414 char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
415 p_es->psz_fmtp = malloc( 100 + 2 * p_fmt->i_extra );
416 sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
417 sprintf( p_es->psz_fmtp,
418 "profile-level-id=3; config=%s;", p_hexa );
422 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
423 p_es->i_payload_type = p_media->i_payload_type++;
424 p_es->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
425 sprintf( p_es->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
426 if( p_fmt->i_extra > 0 )
428 char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
429 p_es->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
430 sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
431 sprintf( p_es->psz_fmtp,
432 "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
433 "config=%s; SizeLength=13;IndexLength=3; "
434 "IndexDeltaLength=3; Profile=1;", p_hexa );
438 case VLC_FOURCC( 'm', 'p', '2', 't' ):
439 p_media->psz_mux = "ts";
440 p_es->i_payload_type = 33;
441 p_es->psz_rtpmap = strdup( "MP2T/90000" );
443 case VLC_FOURCC( 'm', 'p', '2', 'p' ):
444 p_media->psz_mux = "ps";
445 p_es->i_payload_type = p_media->i_payload_type++;
446 p_es->psz_rtpmap = strdup( "MP2P/90000" );
448 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
449 p_es->i_payload_type = p_media->i_payload_type++;
450 p_es->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
451 "AMR/8000/2" : "AMR/8000" );
452 p_es->psz_fmtp = strdup( "octet-align=1" );
454 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
455 p_es->i_payload_type = p_media->i_payload_type++;
456 p_es->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
457 "AMR-WB/16000/2" : "AMR-WB/16000" );
458 p_es->psz_fmtp = strdup( "octet-align=1" );
462 msg_Err( p_vod, "cannot add this stream (unsupported "
463 "codec: %4.4s)", (char*)&p_fmt->i_codec );
469 httpd_UrlNewUnique( p_vod->p_sys->p_rtsp_host, psz_urlc, NULL, NULL,
472 if( !p_es->p_rtsp_url )
474 msg_Err( p_vod, "cannot create http url (%s)", psz_urlc );
481 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_SETUP,
482 RtspCallbackES, (void*)p_es );
483 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_TEARDOWN,
484 RtspCallbackES, (void*)p_es );
485 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PLAY,
486 RtspCallbackES, (void*)p_es );
487 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PAUSE,
488 RtspCallbackES, (void*)p_es );
490 es_format_Copy( &p_es->fmt, p_fmt );
492 p_es->p_media = p_media;
495 /* Choose the port */
496 if( p_fmt->i_cat == AUDIO_ES && p_media->i_port_audio > 0 )
498 p_es->i_port = p_media->i_port_audio;
499 p_media->i_port_audio = 0;
501 else if( p_fmt->i_cat == VIDEO_ES && p_media->i_port_video > 0 )
503 p_es->i_port = p_media->i_port_video;
504 p_media->i_port_video = 0;
506 while( !p_es->i_port )
508 if( p_media->i_port != p_media->i_port_audio &&
509 p_media->i_port != p_media->i_port_video )
511 p_es->i_port = p_media->i_port;
512 p_media->i_port += 2;
515 p_media->i_port += 2;
522 vlc_mutex_lock( &p_media->lock );
523 TAB_APPEND( p_media->i_es, p_media->es, p_es );
524 vlc_mutex_unlock( &p_media->lock );
526 p_media->i_sdp_version++;
531 static void MediaDelES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt)
533 media_es_t *p_es = 0;
537 for( i = 0; i < p_media->i_es; i++ )
539 if( p_media->es[i]->fmt.i_cat == p_fmt->i_cat &&
540 p_media->es[i]->fmt.i_codec == p_fmt->i_codec &&
541 p_media->es[i]->fmt.i_id == p_fmt->i_id )
543 p_es = p_media->es[i];
548 msg_Dbg( p_vod, " - Removing ES %4.4s", (char *)&p_fmt->i_codec );
550 vlc_mutex_lock( &p_media->lock );
551 TAB_REMOVE( p_media->i_es, p_media->es, p_es );
552 vlc_mutex_unlock( &p_media->lock );
554 if( p_es->psz_rtpmap ) free( p_es->psz_rtpmap );
555 if( p_es->psz_fmtp ) free( p_es->psz_fmtp );
556 p_media->i_sdp_version++;
558 if( p_es->p_rtsp_url ) httpd_UrlDelete( p_es->p_rtsp_url );
559 es_format_Clean( &p_es->fmt );
562 /****************************************************************************
563 * RTSP server implementation
564 ****************************************************************************/
565 static rtsp_client_t *RtspClientNew( vod_media_t *p_media, char *psz_session )
567 rtsp_client_t *p_rtsp = malloc( sizeof(rtsp_client_t) );
568 memset( p_rtsp, 0, sizeof(rtsp_client_t) );
571 p_rtsp->psz_session = psz_session;
572 TAB_APPEND( p_media->i_rtsp, p_media->rtsp, p_rtsp );
574 msg_Dbg( p_media->p_vod, "new session: %s", psz_session );
579 static rtsp_client_t *RtspClientGet( vod_media_t *p_media, char *psz_session )
583 for( i = 0; psz_session && i < p_media->i_rtsp; i++ )
585 if( !strcmp( p_media->rtsp[i]->psz_session, psz_session ) )
587 return p_media->rtsp[i];
594 static void RtspClientDel( vod_media_t *p_media, rtsp_client_t *p_rtsp )
596 msg_Dbg( p_media->p_vod, "closing session: %s", p_rtsp->psz_session );
598 while( p_rtsp->i_es-- )
600 if( p_rtsp->es[p_rtsp->i_es]->psz_ip )
601 free( p_rtsp->es[p_rtsp->i_es]->psz_ip );
602 free( p_rtsp->es[p_rtsp->i_es] );
603 if( !p_rtsp->i_es ) free( p_rtsp->es );
606 TAB_REMOVE( p_media->i_rtsp, p_media->rtsp, p_rtsp );
608 free( p_rtsp->psz_session );
612 static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
613 httpd_message_t *answer, httpd_message_t *query )
615 vod_media_t *p_media = (vod_media_t*)p_args;
616 vod_t *p_vod = p_media->p_vod;
617 char *psz_session = NULL;
618 rtsp_client_t *p_rtsp;
620 if( answer == NULL || query == NULL ) return VLC_SUCCESS;
622 fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
624 answer->i_proto = HTTPD_PROTO_RTSP;
625 answer->i_version = query->i_version;
626 answer->i_type = HTTPD_MSG_ANSWER;
628 switch( query->i_type )
630 case HTTPD_MSG_DESCRIBE:
633 SDPGenerate( p_media, cl );
635 if( psz_sdp != NULL )
637 answer->i_status = 200;
638 answer->psz_status = strdup( "OK" );
639 httpd_MsgAdd( answer, "Content-type", "%s", "application/sdp" );
641 answer->p_body = (uint8_t *)psz_sdp;
642 answer->i_body = strlen( psz_sdp );
646 answer->i_status = 500;
647 answer->psz_status = strdup( "Internal server error" );
648 answer->p_body = NULL;
656 char *psz_output, ip[NI_MAXNUMERICHOST];
657 int i, i_port_audio = 0, i_port_video = 0;
659 /* for now only multicast so easy */
660 answer->i_status = 200;
661 answer->psz_status = strdup( "OK" );
663 answer->p_body = NULL;
665 psz_session = httpd_MsgGet( query, "Session" );
666 msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session );
668 p_rtsp = RtspClientGet( p_media, psz_session );
671 if( p_rtsp->b_playing && p_rtsp->b_paused )
673 vod_MediaControl( p_vod, p_media, psz_session,
675 p_rtsp->b_paused = VLC_FALSE;
678 else if( p_rtsp->b_playing ) break;
680 if( httpd_ClientIP( cl, ip ) == NULL ) break;
682 p_rtsp->b_playing = VLC_TRUE;
684 /* FIXME for != 1 video and 1 audio */
685 for( i = 0; i < p_rtsp->i_es; i++ )
687 if( p_rtsp->es[i]->p_media_es->fmt.i_cat == AUDIO_ES )
688 i_port_audio = p_rtsp->es[i]->i_port;
689 if( p_rtsp->es[i]->p_media_es->fmt.i_cat == VIDEO_ES )
690 i_port_video = p_rtsp->es[i]->i_port;
693 if( p_media->psz_mux )
695 asprintf( &psz_output, "rtp{dst=%s,port=%i,mux=%s}",
696 ip, i_port_video, p_media->psz_mux );
700 asprintf( &psz_output, "rtp{dst=%s,port-video=%i,"
701 "port-audio=%i}", ip, i_port_video, i_port_audio );
704 vod_MediaControl( p_vod, p_media, psz_session, VOD_MEDIA_PLAY,
710 case HTTPD_MSG_PAUSE:
711 psz_session = httpd_MsgGet( query, "Session" );
712 msg_Dbg( p_vod, "HTTPD_MSG_PAUSE for session: %s", psz_session );
714 p_rtsp = RtspClientGet( p_media, psz_session );
717 vod_MediaControl( p_vod, p_media, psz_session, VOD_MEDIA_PAUSE );
718 p_rtsp->b_paused = VLC_TRUE;
720 answer->i_status = 200;
721 answer->psz_status = strdup( "OK" );
723 answer->p_body = NULL;
726 case HTTPD_MSG_TEARDOWN:
727 /* for now only multicast so easy again */
728 answer->i_status = 200;
729 answer->psz_status = strdup( "OK" );
731 answer->p_body = NULL;
733 psz_session = httpd_MsgGet( query, "Session" );
734 msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
736 p_rtsp = RtspClientGet( p_media, psz_session );
739 vod_MediaControl( p_vod, p_media, psz_session, VOD_MEDIA_STOP );
740 RtspClientDel( p_media, p_rtsp );
747 httpd_MsgAdd( answer, "Server", "VLC Server" );
748 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
749 httpd_MsgAdd( answer, "Cseq", "%d",
750 atoi( httpd_MsgGet( query, "Cseq" ) ) );
751 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
755 httpd_MsgAdd( answer, "Session", "%s;timeout=5", psz_session );
761 static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl,
762 httpd_message_t *answer, httpd_message_t *query )
764 media_es_t *p_es = (media_es_t*)p_args;
765 vod_media_t *p_media = p_es->p_media;
766 vod_t *p_vod = p_media->p_vod;
767 rtsp_client_t *p_rtsp = NULL;
768 char *psz_session = NULL;
769 char *psz_transport = NULL;
770 char *psz_position = NULL;
773 if( answer == NULL || query == NULL ) return VLC_SUCCESS;
775 fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
777 answer->i_proto = HTTPD_PROTO_RTSP;
778 answer->i_version = query->i_version;
779 answer->i_type = HTTPD_MSG_ANSWER;
781 switch( query->i_type )
783 case HTTPD_MSG_SETUP:
784 psz_transport = httpd_MsgGet( query, "Transport" );
785 fprintf( stderr, "HTTPD_MSG_SETUP: transport=%s\n", psz_transport );
787 if( strstr( psz_transport, "unicast" ) &&
788 strstr( psz_transport, "client_port=" ) )
790 rtsp_client_t *p_rtsp;
791 rtsp_client_es_t *p_rtsp_es;
792 char ip[NI_MAXNUMERICHOST];
793 int i_port = atoi( strstr( psz_transport, "client_port=" ) +
794 strlen("client_port=") );
796 if( httpd_ClientIP( cl, ip ) == NULL )
798 answer->i_status = 500;
799 answer->psz_status = strdup( "Internal server error" );
801 answer->p_body = NULL;
805 fprintf( stderr, "HTTPD_MSG_SETUP: unicast ip=%s port=%d\n",
808 psz_session = httpd_MsgGet( query, "Session" );
809 if( !psz_session || !*psz_session )
811 asprintf( &psz_session, "%d", rand() );
812 p_rtsp = RtspClientNew( p_media, psz_session );
816 p_rtsp = RtspClientGet( p_media, psz_session );
819 /* FIXME right error code */
820 answer->i_status = 454;
821 answer->psz_status = strdup( "Unknown session id" );
823 answer->p_body = NULL;
829 p_rtsp_es = malloc( sizeof(rtsp_client_es_t) );
830 p_rtsp_es->i_port = i_port;
831 p_rtsp_es->psz_ip = strdup( ip );
832 p_rtsp_es->p_media_es = p_es;
833 TAB_APPEND( p_rtsp->i_es, p_rtsp->es, p_rtsp_es );
835 answer->i_status = 200;
836 answer->psz_status = strdup( "OK" );
838 answer->p_body = NULL;
840 httpd_MsgAdd( answer, "Transport", "RTP/AVP/UDP;client_port=%d-%d",
841 i_port, i_port + 1 );
843 else /* TODO strstr( psz_transport, "interleaved" ) ) */
845 answer->i_status = 461;
846 answer->psz_status = strdup( "Unsupported Transport" );
848 answer->p_body = NULL;
852 case HTTPD_MSG_TEARDOWN:
853 answer->i_status = 200;
854 answer->psz_status = strdup( "OK" );
856 answer->p_body = NULL;
858 psz_session = httpd_MsgGet( query, "Session" );
859 msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
861 p_rtsp = RtspClientGet( p_media, psz_session );
864 for( i = 0; i < p_rtsp->i_es; i++ )
866 if( p_rtsp->es[i]->p_media_es == p_es )
868 if( p_rtsp->es[i]->psz_ip ) free( p_rtsp->es[i]->psz_ip );
869 TAB_REMOVE( p_rtsp->i_es, p_rtsp->es, p_rtsp->es[i] );
876 vod_MediaControl( p_vod, p_media, psz_session,
878 RtspClientDel( p_media, p_rtsp );
883 /* This is kind of a kludge. Should we only support Aggregate
885 psz_session = httpd_MsgGet( query, "Session" );
886 msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session );
888 p_rtsp = RtspClientGet( p_media, psz_session );
890 psz_position = httpd_MsgGet( query, "Range" );
891 if( psz_position ) psz_position = strstr( psz_position, "npt=" );
896 msg_Dbg( p_vod, "seeking request: %s", psz_position );
899 if( sscanf( psz_position, "%f", &f_pos ) == 1 )
901 f_pos /= ((float)(p_media->i_length/1000))/1000 / 100;
902 vod_MediaControl( p_vod, p_media, psz_session,
903 VOD_MEDIA_SEEK, (double)f_pos );
907 answer->i_status = 200;
908 answer->psz_status = strdup( "OK" );
910 answer->p_body = NULL;
913 case HTTPD_MSG_PAUSE:
914 /* This is kind of a kludge. Should we only support Aggregate
916 psz_session = httpd_MsgGet( query, "Session" );
917 msg_Dbg( p_vod, "HTTPD_MSG_PAUSE for session: %s", psz_session );
919 p_rtsp = RtspClientGet( p_media, psz_session );
922 vod_MediaControl( p_vod, p_media, psz_session, VOD_MEDIA_PAUSE );
923 p_rtsp->b_paused = VLC_TRUE;
925 answer->i_status = 200;
926 answer->psz_status = strdup( "OK" );
928 answer->p_body = NULL;
936 httpd_MsgAdd( answer, "Server", "VLC Server" );
937 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
938 httpd_MsgAdd( answer, "Cseq", "%d",
939 atoi( httpd_MsgGet( query, "Cseq" ) ) );
940 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
944 httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
950 /*****************************************************************************
952 * FIXME: need to be moved to a common place ?
953 *****************************************************************************/
954 static char *SDPGenerate( const vod_media_t *p_media, httpd_client_t *cl )
957 char *p, *psz_sdp, ip[NI_MAXNUMERICHOST], ipv;
958 const char *psz_control;
960 if( httpd_ServerIP( cl, ip ) == NULL )
963 p = strchr( ip, '%' );
965 *p = '\0'; /* remove scope if present */
967 ipv = ( strchr( ip, ':' ) != NULL ) ? '6' : '4';
970 i_size = sizeof( "v=0\r\n" ) +
971 sizeof( "o=- * * IN IP4 \r\n" ) + 10 + NI_MAXNUMERICHOST +
972 sizeof( "s=*\r\n" ) + strlen( p_media->psz_session_name ) +
973 sizeof( "i=*\r\n" ) + strlen( p_media->psz_session_description ) +
974 sizeof( "u=*\r\n" ) + strlen( p_media->psz_session_url ) +
975 sizeof( "e=*\r\n" ) + strlen( p_media->psz_session_email ) +
976 sizeof( "t=0 0\r\n" ) + /* FIXME */
977 sizeof( "a=tool:"PACKAGE_STRING"\r\n" ) +
978 sizeof( "c=IN IP4 0.0.0.0\r\n" ) + 20 + 10 +
979 sizeof( "a=range:npt=0-1000000000.000\r\n" );
981 psz_control = (ipv == '6') ? p_media->psz_rtsp_control_v6
982 : p_media->psz_rtsp_control_v4;
983 for( i = 0; i < p_media->i_es; i++ )
985 media_es_t *p_es = p_media->es[i];
987 i_size += sizeof( "m=**d*o * RTP/AVP *\r\n" ) + 19;
988 if( p_es->psz_rtpmap )
990 i_size += sizeof( "a=rtpmap:* *\r\n" ) +
991 strlen( p_es->psz_rtpmap ) + 9;
995 i_size += sizeof( "a=fmtp:* *\r\n" ) +
996 strlen( p_es->psz_fmtp ) + 9;
999 i_size += (strlen( psz_control ) + strlen( ip ) + 9) * p_media->i_es;
1001 p = psz_sdp = malloc( i_size );
1002 p += sprintf( p, "v=0\r\n" );
1003 p += sprintf( p, "o=- "I64Fd" %d IN IP%c %s\r\n",
1004 p_media->i_sdp_id, p_media->i_sdp_version, ipv, ip );
1005 if( *p_media->psz_session_name )
1006 p += sprintf( p, "s=%s\r\n", p_media->psz_session_name );
1007 if( *p_media->psz_session_description )
1008 p += sprintf( p, "i=%s\r\n", p_media->psz_session_description );
1009 if( *p_media->psz_session_url )
1010 p += sprintf( p, "u=%s\r\n", p_media->psz_session_url );
1011 if( *p_media->psz_session_email )
1012 p += sprintf( p, "e=%s\r\n", p_media->psz_session_email );
1014 p += sprintf( p, "t=0 0\r\n" ); /* FIXME */
1015 p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" );
1017 p += sprintf( p, "c=IN IP%c %s\r\n", ipv, ipv == '6' ? "::" : "0.0.0.0" );
1019 if( p_media->i_length > 0 )
1020 p += sprintf( p, "a=range:npt=0-%.3f\r\n",
1021 ((float)(p_media->i_length/1000))/1000 );
1023 for( i = 0; i < p_media->i_es; i++ )
1025 media_es_t *p_es = p_media->es[i];
1027 if( p_es->fmt.i_cat == AUDIO_ES )
1029 p += sprintf( p, "m=audio %d RTP/AVP %d\r\n",
1030 p_es->i_port, p_es->i_payload_type );
1032 else if( p_es->fmt.i_cat == VIDEO_ES )
1034 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
1035 p_es->i_port, p_es->i_payload_type );
1042 if( p_es->psz_rtpmap )
1044 p += sprintf( p, "a=rtpmap:%d %s\r\n", p_es->i_payload_type,
1047 if( p_es->psz_fmtp )
1049 p += sprintf( p, "a=fmtp:%d %s\r\n", p_es->i_payload_type,
1053 p += sprintf( p, psz_control, ip, i );