1 /*****************************************************************************
2 * rtsp.c: rtsp VoD server module
3 *****************************************************************************
4 * Copyright (C) 2003-2006 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
33 #include <vlc_common.h>
34 #include <vlc_plugin.h>
35 #include <vlc_input.h>
37 #include <vlc_block.h>
39 #include <vlc_httpd.h>
42 #include <vlc_network.h>
43 #include <vlc_charset.h>
44 #include <vlc_strings.h>
55 /*****************************************************************************
57 *****************************************************************************/
58 static int Open ( vlc_object_t * );
59 static void Close( vlc_object_t * );
61 #define HOST_TEXT N_( "RTSP host address" )
62 #define HOST_LONGTEXT N_( \
63 "This defines the address, port and path the RTSP VOD server will listen " \
64 "on.\nSyntax is address:port/path. The default is to listen on all "\
65 "interfaces (address 0.0.0.0), on port 554, with no path.\nTo listen " \
66 "only on the local interface, use \"localhost\" as address." )
68 #define THROTTLE_TEXT N_( "Maximum number of connections" )
69 #define THROTTLE_LONGTEXT N_( "This limits the maximum number of clients " \
70 "that can connect to the RTSP VOD. 0 means no limit." )
72 #define RAWMUX_TEXT N_( "MUX for RAW RTSP transport" )
74 #define SESSION_TIMEOUT_TEXT N_( "Sets the timeout option in the RTSP " \
76 #define SESSION_TIMEOUT_LONGTEXT N_( "Defines what timeout option to add " \
77 "to the RTSP session ID string. Setting it to a negative number removes " \
78 "the timeout option entirely. This is needed by some IPTV STBs (such as " \
79 "those made by HansunTech) which get confused by it. The default is 5." )
82 set_shortname( N_("RTSP VoD" ) )
83 set_description( N_("RTSP VoD server") )
84 set_category( CAT_SOUT )
85 set_subcategory( SUBCAT_SOUT_VOD )
86 set_capability( "vod server", 1 )
87 set_callbacks( Open, Close )
88 add_shortcut( "rtsp" )
89 add_string ( "rtsp-host", NULL, NULL, HOST_TEXT, HOST_LONGTEXT, true )
90 add_string( "rtsp-raw-mux", "ts", NULL, RAWMUX_TEXT,
92 add_integer( "rtsp-throttle-users", 0, NULL, THROTTLE_TEXT,
93 THROTTLE_LONGTEXT, true )
94 add_integer( "rtsp-session-timeout", 5, NULL, SESSION_TIMEOUT_TEXT,
95 SESSION_TIMEOUT_LONGTEXT, true )
98 /*****************************************************************************
100 *****************************************************************************/
102 typedef struct media_es_t media_es_t;
106 media_es_t *p_media_es;
115 bool b_playing; /* is it in "play" state */
116 bool b_paused; /* is it in "pause" state */
119 rtsp_client_es_t **es;
129 httpd_url_t *p_rtsp_url;
131 vod_media_t *p_media;
134 uint8_t i_payload_type;
135 const char *psz_ptname;
136 unsigned i_clock_rate;
150 httpd_url_t *p_rtsp_url;
151 char *psz_rtsp_control_v4;
152 char *psz_rtsp_control_v6;
167 rtsp_client_t **rtsp;
176 httpd_host_t *p_rtsp_host;
179 int i_throttle_users;
184 int i_session_timeout;
192 block_fifo_t *p_fifo_cmd;
195 /* rtsp delayed command (to avoid deadlock between vlm/httpd) */
198 RTSP_CMD_TYPE_NONE, /* Exit requested */
204 RTSP_CMD_TYPE_REWIND,
205 RTSP_CMD_TYPE_FORWARD,
216 vod_media_t *p_media;
222 static vod_media_t *MediaNew( vod_t *, const char *, input_item_t * );
223 static void MediaDel( vod_t *, vod_media_t * );
224 static void MediaAskDel ( vod_t *, vod_media_t * );
225 static int MediaAddES( vod_t *, vod_media_t *, es_format_t * );
226 static void MediaDelES( vod_t *, vod_media_t *, es_format_t * );
228 static void* CommandThread( vlc_object_t *p_this );
229 static void CommandPush( vod_t *, rtsp_cmd_type_t, vod_media_t *, const char *psz_session,
230 double f_arg, const char *psz_arg );
232 static rtsp_client_t *RtspClientNew( vod_media_t *, char * );
233 static rtsp_client_t *RtspClientGet( vod_media_t *, const char * );
234 static void RtspClientDel( vod_media_t *, rtsp_client_t * );
236 static int RtspCallback( httpd_callback_sys_t *, httpd_client_t *,
237 httpd_message_t *, const httpd_message_t * );
238 static int RtspCallbackES( httpd_callback_sys_t *, httpd_client_t *,
239 httpd_message_t *, const httpd_message_t * );
241 static char *SDPGenerate( const vod_media_t *, httpd_client_t *cl );
243 static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
245 static const char hex[16] = "0123456789abcdef";
248 for( i = 0; i < i_data; i++ )
250 s[2*i+0] = hex[(p_data[i]>>4)&0xf];
251 s[2*i+1] = hex[(p_data[i] )&0xf];
256 /*****************************************************************************
257 * Open: Starts the RTSP server module
258 *****************************************************************************/
259 static int Open( vlc_object_t *p_this )
261 vod_t *p_vod = (vod_t *)p_this;
262 vod_sys_t *p_sys = NULL;
263 char *psz_url = NULL;
266 psz_url = var_InheritString( p_vod, "rtsp-host" );
267 vlc_UrlParse( &url, psz_url, 0 );
270 if( url.i_port <= 0 ) url.i_port = 554;
272 p_vod->p_sys = p_sys = malloc( sizeof( vod_sys_t ) );
273 if( !p_sys ) goto error;
274 p_sys->p_rtsp_host = 0;
276 p_sys->i_session_timeout = var_CreateGetInteger( p_this, "rtsp-session-timeout" );
278 p_sys->i_throttle_users = var_CreateGetInteger( p_this, "rtsp-throttle-users" );
279 msg_Dbg( p_this, "allowing up to %d connections", p_sys->i_throttle_users );
280 p_sys->i_connections = 0;
282 p_sys->psz_raw_mux = var_CreateGetString( p_this, "rtsp-raw-mux" );
285 httpd_HostNew( VLC_OBJECT(p_vod), url.psz_host, url.i_port );
286 if( !p_sys->p_rtsp_host )
288 msg_Err( p_vod, "cannot create RTSP server (%s:%i)",
289 url.psz_host, url.i_port );
293 p_sys->psz_path = strdup( url.psz_path ? url.psz_path : "/" );
294 p_sys->i_port = url.i_port;
296 vlc_UrlClean( &url );
298 TAB_INIT( p_sys->i_media, p_sys->media );
299 p_sys->i_media_id = 0;
301 p_vod->pf_media_new = MediaNew;
302 p_vod->pf_media_del = MediaAskDel;
303 p_vod->pf_media_add_es = MediaAddES;
304 p_vod->pf_media_del_es = MediaDelES;
306 p_sys->p_fifo_cmd = block_FifoNew();
307 if( vlc_thread_create( p_vod, "rtsp vod thread", CommandThread,
308 VLC_THREAD_PRIORITY_LOW ) )
310 msg_Err( p_vod, "cannot spawn rtsp vod thread" );
311 block_FifoRelease( p_sys->p_fifo_cmd );
312 free( p_sys->psz_path );
321 if( p_sys->p_rtsp_host ) httpd_HostDelete( p_sys->p_rtsp_host );
322 free( p_sys->psz_raw_mux );
325 vlc_UrlClean( &url );
330 /*****************************************************************************
332 *****************************************************************************/
333 static void Close( vlc_object_t * p_this )
335 vod_t *p_vod = (vod_t *)p_this;
336 vod_sys_t *p_sys = p_vod->p_sys;
338 /* Stop command thread */
339 vlc_object_kill( p_vod );
340 CommandPush( p_vod, RTSP_CMD_TYPE_NONE, NULL, NULL, 0.0, NULL );
341 vlc_thread_join( p_vod );
343 while( block_FifoCount( p_sys->p_fifo_cmd ) > 0 )
346 block_t *p_block_cmd = block_FifoGet( p_sys->p_fifo_cmd );
347 memcpy( &cmd, p_block_cmd->p_buffer, sizeof(cmd) );
348 block_Release( p_block_cmd );
349 if ( cmd.i_type == RTSP_CMD_TYPE_DEL )
350 MediaDel(p_vod, cmd.p_media);
351 free( cmd.psz_session );
354 block_FifoRelease( p_sys->p_fifo_cmd );
356 httpd_HostDelete( p_sys->p_rtsp_host );
357 var_Destroy( p_this, "rtsp-session-timeout" );
358 var_Destroy( p_this, "rtsp-throttle-users" );
359 var_Destroy( p_this, "rtsp-raw-mux" );
361 /* Check VLM is not buggy */
362 if( p_sys->i_media > 0 )
363 msg_Err( p_vod, "rtsp vod leaking %d medias", p_sys->i_media );
364 TAB_CLEAN( p_sys->i_media, p_sys->media );
366 free( p_sys->psz_path );
367 free( p_sys->psz_raw_mux );
371 /*****************************************************************************
373 *****************************************************************************/
374 static vod_media_t *MediaNew( vod_t *p_vod, const char *psz_name,
375 input_item_t *p_item )
378 vod_sys_t *p_sys = p_vod->p_sys;
380 vod_media_t *p_media = calloc( 1, sizeof(vod_media_t) );
384 p_media->id = p_sys->i_media_id++;
385 TAB_INIT( p_media->i_es, p_media->es );
386 p_media->psz_mux = NULL;
387 TAB_INIT( p_media->i_rtsp, p_media->rtsp );
388 p_media->b_raw = false;
390 if( asprintf( &p_media->psz_rtsp_path, "%s%s",
391 p_sys->psz_path, psz_name ) <0 )
393 p_media->p_rtsp_url =
394 httpd_UrlNewUnique( p_sys->p_rtsp_host, p_media->psz_rtsp_path, NULL,
397 if( !p_media->p_rtsp_url )
399 msg_Err( p_vod, "cannot create RTSP url (%s)", p_media->psz_rtsp_path);
400 free( p_media->psz_rtsp_path );
405 msg_Dbg( p_vod, "created RTSP url: %s", p_media->psz_rtsp_path );
407 if( asprintf( &p_media->psz_rtsp_control_v4,
408 "rtsp://%%s:%d%s/trackID=%%d",
409 p_sys->i_port, p_media->psz_rtsp_path ) < 0 )
411 httpd_UrlDelete( p_media->p_rtsp_url );
412 free( p_media->psz_rtsp_path );
416 if( asprintf( &p_media->psz_rtsp_control_v6,
417 "rtsp://[%%s]:%d%s/trackID=%%d",
418 p_sys->i_port, p_media->psz_rtsp_path ) < 0 )
420 httpd_UrlDelete( p_media->p_rtsp_url );
421 free( p_media->psz_rtsp_path );
426 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_SETUP,
427 RtspCallback, (void*)p_media );
428 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_DESCRIBE,
429 RtspCallback, (void*)p_media );
430 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_PLAY,
431 RtspCallback, (void*)p_media );
432 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_PAUSE,
433 RtspCallback, (void*)p_media );
434 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_GETPARAMETER,
435 RtspCallback, (void*)p_media );
436 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_TEARDOWN,
437 RtspCallback, (void*)p_media );
439 p_media->p_vod = p_vod;
441 vlc_mutex_init( &p_media->lock );
443 p_media->i_payload_type = 96;
445 p_media->i_length = input_item_GetDuration( p_item );
447 vlc_mutex_lock( &p_item->lock );
448 msg_Dbg( p_vod, "media has %i declared ES", p_item->i_es );
449 for( i = 0; i < p_item->i_es; i++ )
451 MediaAddES( p_vod, p_media, p_item->es[i] );
453 vlc_mutex_unlock( &p_item->lock );
455 CommandPush( p_vod, RTSP_CMD_TYPE_ADD, p_media, NULL, 0.0, NULL );
459 static void MediaAskDel ( vod_t *p_vod, vod_media_t *p_media )
461 CommandPush( p_vod, RTSP_CMD_TYPE_DEL, p_media, NULL, 0.0, NULL );
464 static void MediaDel( vod_t *p_vod, vod_media_t *p_media )
466 vod_sys_t *p_sys = p_vod->p_sys;
468 msg_Dbg( p_vod, "deleting media: %s", p_media->psz_rtsp_path );
470 TAB_REMOVE( p_sys->i_media, p_sys->media, p_media );
472 httpd_UrlDelete( p_media->p_rtsp_url );
474 while( p_media->i_rtsp > 0 )
475 RtspClientDel( p_media, p_media->rtsp[0] );
476 TAB_CLEAN( p_media->i_rtsp, p_media->rtsp );
478 free( p_media->psz_rtsp_path );
479 free( p_media->psz_rtsp_control_v6 );
480 free( p_media->psz_rtsp_control_v4 );
482 while( p_media->i_es )
483 MediaDelES( p_vod, p_media, &p_media->es[0]->fmt );
484 TAB_CLEAN( p_media->i_es, p_media->es );
486 vlc_mutex_destroy( &p_media->lock );
491 static int MediaAddES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt )
495 if( p_media->i_payload_type >= 128 )
497 msg_Err( p_vod, "too many elementary streams");
501 media_es_t *p_es = calloc( 1, sizeof(media_es_t) );
505 p_media->psz_mux = NULL;
507 /* TODO: update SDP, etc... */
508 if( asprintf( &psz_urlc, "%s/trackID=%d",
509 p_media->psz_rtsp_path, p_media->i_es ) < 0 )
514 msg_Dbg( p_vod, " - ES %4.4s (%s)", (char *)&p_fmt->i_codec, psz_urlc );
516 p_es->i_clock_rate = 90000;
517 p_es->i_channels = 1;
519 switch( p_fmt->i_codec )
522 if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
524 p_es->i_payload_type = 11;
526 else if( p_fmt->audio.i_channels == 2 &&
527 p_fmt->audio.i_rate == 44100 )
529 p_es->i_payload_type = 10;
533 p_es->i_payload_type = p_media->i_payload_type++;
535 p_es->psz_ptname = "L16";
536 p_es->i_clock_rate = p_fmt->audio.i_rate;
537 p_es->i_channels = p_fmt->audio.i_channels;
540 p_es->i_payload_type = p_media->i_payload_type++;
541 p_es->psz_ptname = "L8";
542 p_es->i_clock_rate = p_fmt->audio.i_rate;
543 p_es->i_channels = p_fmt->audio.i_channels;
546 p_es->i_payload_type = 14;
547 p_es->psz_ptname = "MPA";
550 p_es->i_payload_type = 32;
551 p_es->psz_ptname = "MPV";
554 p_es->i_payload_type = p_media->i_payload_type++;
555 p_es->psz_ptname = "ac3";
556 p_es->i_clock_rate = p_fmt->audio.i_rate;
559 p_es->i_payload_type = p_media->i_payload_type++;
560 p_es->psz_ptname = "H263-1998";
563 p_es->i_payload_type = p_media->i_payload_type++;
564 p_es->psz_ptname = "H264";
565 p_es->psz_fmtp = NULL;
566 /* FIXME AAAAAAAAAAAARRRRRRRRGGGG copied from stream_out/rtp.c */
567 if( p_fmt->i_extra > 0 )
569 uint8_t *p_buffer = p_fmt->p_extra;
570 int i_buffer = p_fmt->i_extra;
571 char *p_64_sps = NULL;
572 char *p_64_pps = NULL;
575 while( i_buffer > 4 &&
576 p_buffer[0] == 0 && p_buffer[1] == 0 &&
577 p_buffer[2] == 0 && p_buffer[3] == 1 )
579 const int i_nal_type = p_buffer[4]&0x1f;
584 for( i_offset = 4; i_offset+3 < i_buffer ; i_offset++)
586 if( p_buffer[i_offset] == 0 && p_buffer[i_offset+1] == 0 && p_buffer[i_offset+2] == 0 && p_buffer[i_offset+3] == 1 )
588 /* we found another startcode */
593 if( i_nal_type == 7 )
596 p_64_sps = vlc_b64_encode_binary( &p_buffer[4], i_size - 4 );
597 sprintf_hexa( hexa, &p_buffer[5], 3 );
599 else if( i_nal_type == 8 )
602 p_64_pps = vlc_b64_encode_binary( &p_buffer[4], i_size - 4 );
608 if( p_64_sps && p_64_pps )
610 if( asprintf( &p_es->psz_fmtp,
611 "packetization-mode=1;profile-level-id=%s;"
612 "sprop-parameter-sets=%s,%s;", hexa, p_64_sps,
625 if( !p_es->psz_fmtp )
626 p_es->psz_fmtp = strdup( "packetization-mode=1" );
629 p_es->i_payload_type = p_media->i_payload_type++;
630 p_es->psz_ptname = "MP4V-ES";
631 if( p_fmt->i_extra > 0 )
633 char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
634 sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
635 if( asprintf( &p_es->psz_fmtp,
636 "profile-level-id=3; config=%s;", p_hexa ) == -1 )
637 p_es->psz_fmtp = NULL;
642 p_es->i_payload_type = p_media->i_payload_type++;
643 p_es->psz_ptname = "mpeg4-generic";
644 p_es->i_clock_rate = p_fmt->audio.i_rate;
645 if( p_fmt->i_extra > 0 )
647 char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
648 sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
649 if( asprintf( &p_es->psz_fmtp,
650 "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
651 "config=%s; SizeLength=13;IndexLength=3; "
652 "IndexDeltaLength=3; Profile=1;", p_hexa ) == -1 )
653 p_es->psz_fmtp = NULL;
657 case VLC_FOURCC( 'm', 'p', '2', 't' ):
658 p_media->psz_mux = "ts";
659 p_es->i_payload_type = 33;
660 p_es->psz_ptname = "MP2T";
662 case VLC_FOURCC( 'm', 'p', '2', 'p' ):
663 p_media->psz_mux = "ps";
664 p_es->i_payload_type = p_media->i_payload_type++;
665 p_es->psz_ptname = "MP2P";
667 case VLC_CODEC_AMR_NB:
668 p_es->i_payload_type = p_media->i_payload_type++;
669 p_es->psz_ptname = "AMR";
670 p_es->i_clock_rate = 8000;
671 if(p_fmt->audio.i_channels == 2 )
672 p_es->i_channels = 2;
673 p_es->psz_fmtp = strdup( "octet-align=1" );
675 case VLC_CODEC_AMR_WB:
676 p_es->i_payload_type = p_media->i_payload_type++;
677 p_es->psz_ptname = "AMR-WB";
678 p_es->i_clock_rate = 16000;
679 if(p_fmt->audio.i_channels == 2 )
680 p_es->i_channels = 2;
681 p_es->psz_fmtp = strdup( "octet-align=1" );
685 msg_Err( p_vod, "cannot add this stream (unsupported "
686 "codec: %4.4s)", (char*)&p_fmt->i_codec );
693 httpd_UrlNewUnique( p_vod->p_sys->p_rtsp_host, psz_urlc, NULL, NULL,
696 if( !p_es->p_rtsp_url )
698 msg_Err( p_vod, "cannot create RTSP url (%s)", psz_urlc );
705 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_SETUP,
706 RtspCallbackES, (void*)p_es );
707 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_TEARDOWN,
708 RtspCallbackES, (void*)p_es );
709 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PLAY,
710 RtspCallbackES, (void*)p_es );
711 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PAUSE,
712 RtspCallbackES, (void*)p_es );
714 es_format_Copy( &p_es->fmt, p_fmt );
716 p_es->p_media = p_media;
718 vlc_mutex_lock( &p_media->lock );
719 TAB_APPEND( p_media->i_es, p_media->es, p_es );
720 vlc_mutex_unlock( &p_media->lock );
725 static void MediaDelES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt)
727 media_es_t *p_es = NULL;
731 for( i = 0; i < p_media->i_es; i++ )
733 if( p_media->es[i]->fmt.i_cat == p_fmt->i_cat &&
734 p_media->es[i]->fmt.i_codec == p_fmt->i_codec &&
735 p_media->es[i]->fmt.i_id == p_fmt->i_id )
737 p_es = p_media->es[i];
742 msg_Dbg( p_vod, " - Removing ES %4.4s", (char *)&p_fmt->i_codec );
744 vlc_mutex_lock( &p_media->lock );
745 TAB_REMOVE( p_media->i_es, p_media->es, p_es );
746 vlc_mutex_unlock( &p_media->lock );
748 free( p_es->psz_fmtp );
750 if( p_es->p_rtsp_url ) httpd_UrlDelete( p_es->p_rtsp_url );
751 es_format_Clean( &p_es->fmt );
755 static void CommandPush( vod_t *p_vod, rtsp_cmd_type_t i_type, vod_media_t *p_media, const char *psz_session,
756 double f_arg, const char *psz_arg )
761 memset( &cmd, 0, sizeof(cmd) );
763 cmd.p_media = p_media;
765 cmd.i_media_id = p_media->id;
767 cmd.psz_session = strdup(psz_session);
770 cmd.psz_arg = strdup(psz_arg);
772 p_cmd = block_New( p_vod, sizeof(rtsp_cmd_t) );
773 memcpy( p_cmd->p_buffer, &cmd, sizeof(cmd) );
775 block_FifoPut( p_vod->p_sys->p_fifo_cmd, p_cmd );
778 static void* CommandThread( vlc_object_t *p_this )
780 vod_t *p_vod = (vod_t*)p_this;
781 vod_sys_t *p_sys = p_vod->p_sys;
782 int canc = vlc_savecancel ();
784 while( vlc_object_alive (p_vod) )
786 block_t *p_block_cmd = block_FifoGet( p_sys->p_fifo_cmd );
788 vod_media_t *p_media = NULL;
794 memcpy( &cmd, p_block_cmd->p_buffer, sizeof(cmd) );
795 block_Release( p_block_cmd );
797 if( cmd.i_type == RTSP_CMD_TYPE_NONE )
800 if ( cmd.i_type == RTSP_CMD_TYPE_ADD )
802 TAB_APPEND( p_sys->i_media, p_sys->media, cmd.p_media );
806 if ( cmd.i_type == RTSP_CMD_TYPE_DEL )
808 MediaDel(p_vod, cmd.p_media);
813 for( i = 0; i < p_sys->i_media; i++ )
815 if( p_sys->media[i]->id == cmd.i_media_id )
818 if( i >= p_sys->i_media )
822 p_media = p_sys->media[i];
826 case RTSP_CMD_TYPE_PLAY:
827 vod_MediaControl( p_vod, p_media, cmd.psz_session,
828 VOD_MEDIA_PLAY, cmd.psz_arg );
830 case RTSP_CMD_TYPE_PAUSE:
831 vod_MediaControl( p_vod, p_media, cmd.psz_session,
835 case RTSP_CMD_TYPE_STOP:
836 vod_MediaControl( p_vod, p_media, cmd.psz_session, VOD_MEDIA_STOP );
839 case RTSP_CMD_TYPE_SEEK:
840 vod_MediaControl( p_vod, p_media, cmd.psz_session,
841 VOD_MEDIA_SEEK, cmd.f_arg );
844 case RTSP_CMD_TYPE_REWIND:
845 vod_MediaControl( p_vod, p_media, cmd.psz_session,
846 VOD_MEDIA_REWIND, cmd.f_arg );
849 case RTSP_CMD_TYPE_FORWARD:
850 vod_MediaControl( p_vod, p_media, cmd.psz_session,
851 VOD_MEDIA_FORWARD, cmd.f_arg );
859 free( cmd.psz_session );
863 vlc_restorecancel (canc);
867 /****************************************************************************
868 * RTSP server implementation
869 ****************************************************************************/
870 static rtsp_client_t *RtspClientNew( vod_media_t *p_media, char *psz_session )
872 rtsp_client_t *p_rtsp = calloc( 1, sizeof(rtsp_client_t) );
878 p_rtsp->psz_session = psz_session;
879 TAB_APPEND( p_media->i_rtsp, p_media->rtsp, p_rtsp );
881 p_media->p_vod->p_sys->i_connections++;
882 msg_Dbg( p_media->p_vod, "new session: %s, connections: %d",
883 psz_session, p_media->p_vod->p_sys->i_throttle_users );
888 static rtsp_client_t *RtspClientGet( vod_media_t *p_media, const char *psz_session )
892 for( i = 0; psz_session && i < p_media->i_rtsp; i++ )
894 if( !strcmp( p_media->rtsp[i]->psz_session, psz_session ) )
895 return p_media->rtsp[i];
901 static void RtspClientDel( vod_media_t *p_media, rtsp_client_t *p_rtsp )
903 p_media->p_vod->p_sys->i_connections--;
904 msg_Dbg( p_media->p_vod, "closing session: %s, connections: %d",
905 p_rtsp->psz_session, p_media->p_vod->p_sys->i_throttle_users );
907 while( p_rtsp->i_es )
910 free( p_rtsp->es[p_rtsp->i_es] );
914 TAB_REMOVE( p_media->i_rtsp, p_media->rtsp, p_rtsp );
916 free( p_rtsp->psz_session );
921 static float ParseNPT (const char *str)
923 locale_t loc = newlocale (LC_NUMERIC_MASK, "C", NULL);
924 locale_t oldloc = uselocale (loc);
928 if (sscanf (str, "%u:%u:%f", &hour, &min, &sec) == 3)
929 sec += ((hour * 60) + min) * 60;
931 if (sscanf (str, "%f", &sec) != 1)
934 if (loc != (locale_t)0)
943 static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
944 httpd_message_t *answer, const httpd_message_t *query )
946 vod_media_t *p_media = (vod_media_t*)p_args;
947 vod_t *p_vod = p_media->p_vod;
948 const char *psz_transport = NULL;
949 const char *psz_playnow = NULL; /* support option: x-playNow */
950 const char *psz_session = NULL;
951 const char *psz_cseq = NULL;
952 rtsp_client_t *p_rtsp;
956 if( answer == NULL || query == NULL ) return VLC_SUCCESS;
958 msg_Dbg( p_vod, "RtspCallback query: type=%d", query->i_type );
960 answer->i_proto = HTTPD_PROTO_RTSP;
961 answer->i_version = query->i_version;
962 answer->i_type = HTTPD_MSG_ANSWER;
964 answer->p_body = NULL;
966 switch( query->i_type )
968 case HTTPD_MSG_SETUP:
970 psz_playnow = httpd_MsgGet( query, "x-playNow" );
971 psz_transport = httpd_MsgGet( query, "Transport" );
972 if( psz_transport == NULL )
974 answer->i_status = 400;
977 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: transport=%s", psz_transport );
979 if( strstr( psz_transport, "unicast" ) &&
980 strstr( psz_transport, "client_port=" ) )
982 rtsp_client_t *p_rtsp = NULL;
983 char ip[NI_MAXNUMERICHOST];
984 i_port = atoi( strstr( psz_transport, "client_port=" ) +
985 strlen("client_port=") );
987 if( strstr( psz_transport, "MP2T/H2221/UDP" ) ||
988 strstr( psz_transport, "RAW/RAW/UDP" ) )
990 p_media->psz_mux = p_vod->p_sys->psz_raw_mux;
991 p_media->b_raw = true;
994 if( httpd_ClientIP( cl, ip ) == NULL )
996 answer->i_status = 500;
998 answer->p_body = NULL;
1002 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: unicast ip=%s port=%d",
1005 psz_session = httpd_MsgGet( query, "Session" );
1006 if( !psz_session || !*psz_session )
1009 if( ( p_vod->p_sys->i_throttle_users > 0 ) &&
1010 ( p_vod->p_sys->i_connections >= p_vod->p_sys->i_throttle_users ) )
1012 answer->i_status = 503;
1014 answer->p_body = NULL;
1017 #warning Should use secure randomness here! (spoofing risk)
1018 if( asprintf( &psz_new, "%lu", vlc_mrand48() ) < 0 )
1020 psz_session = psz_new;
1022 p_rtsp = RtspClientNew( p_media, psz_new );
1025 answer->i_status = 454;
1027 answer->p_body = NULL;
1033 p_rtsp = RtspClientGet( p_media, psz_session );
1036 answer->i_status = 454;
1038 answer->p_body = NULL;
1043 answer->i_status = 200;
1045 answer->p_body = NULL;
1047 if( p_media->b_raw )
1049 if( strstr( psz_transport, "MP2T/H2221/UDP" ) )
1051 httpd_MsgAdd( answer, "Transport",
1052 "MP2T/H2221/UDP;unicast;client_port=%d-%d",
1053 i_port, i_port + 1 );
1055 else if( strstr( psz_transport, "RAW/RAW/UDP" ) )
1057 httpd_MsgAdd( answer, "Transport",
1058 "RAW/RAW/UDP;unicast;client_port=%d-%d",
1059 i_port, i_port + 1 );
1063 httpd_MsgAdd( answer, "Transport",
1064 "RTP/AVP/UDP;unicast;client_port=%d-%d",
1065 i_port, i_port + 1 );
1067 else /* TODO strstr( psz_transport, "interleaved" ) ) */
1069 answer->i_status = 461;
1071 answer->p_body = NULL;
1074 /* Intentional fall-through on x-playNow option in RTSP request */
1079 case HTTPD_MSG_PLAY:
1081 char *psz_output, ip[NI_MAXNUMERICHOST];
1082 int i, i_port_audio = 0, i_port_video = 0;
1084 /* for now only multicast so easy */
1087 answer->i_status = 200;
1089 answer->p_body = NULL;
1093 psz_session = httpd_MsgGet( query, "Session" );
1094 msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session );
1096 p_rtsp = RtspClientGet( p_media, psz_session );
1099 answer->i_status = 500;
1101 answer->p_body = NULL;
1105 if( p_rtsp->b_playing )
1107 const char *psz_position = httpd_MsgGet( query, "Range" );
1108 const char *psz_scale = httpd_MsgGet( query, "Scale" );
1110 psz_position = strstr( psz_position, "npt=" );
1111 if( psz_position && !psz_scale )
1113 double f_pos = ParseNPT (psz_position + 4);
1114 msg_Dbg( p_vod, "seeking request: %s", psz_position );
1115 f_pos /= ((double)(p_media->i_length)) / CLOCK_FREQ / 100;
1116 CommandPush( p_vod, RTSP_CMD_TYPE_SEEK, p_media,
1117 psz_session, f_pos, NULL );
1119 else if( psz_scale )
1121 double f_scale = 0.0;
1124 f_scale = us_strtod( psz_scale, &end );
1125 if( end > psz_scale )
1127 f_scale = (f_scale * 30.0);
1128 if( psz_scale[0] == '-' ) /* rewind */
1130 msg_Dbg( p_vod, "rewind request: %s", psz_scale );
1131 CommandPush( p_vod, RTSP_CMD_TYPE_REWIND, p_media,
1132 psz_session, f_scale, NULL );
1134 else if(psz_scale[0] != '1' ) /* fast-forward */
1136 msg_Dbg( p_vod, "fastforward request: %s",
1138 CommandPush( p_vod, RTSP_CMD_TYPE_FORWARD, p_media,
1139 psz_session, f_scale, NULL );
1142 if( p_rtsp->b_paused )
1144 p_rtsp->b_paused = false;
1145 CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media,
1146 psz_session, 0, NULL );
1153 if( p_rtsp->b_playing && p_rtsp->b_paused )
1155 CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media,
1156 psz_session, 0, NULL );
1157 p_rtsp->b_paused = false;
1160 else if( p_rtsp->b_playing ) break;
1162 if( httpd_ClientIP( cl, ip ) == NULL ) break;
1164 p_rtsp->b_playing = true;
1166 /* FIXME for != 1 video and 1 audio */
1167 for( i = 0; i < p_rtsp->i_es; i++ )
1169 if( p_rtsp->es[i]->p_media_es->fmt.i_cat == AUDIO_ES )
1170 i_port_audio = p_rtsp->es[i]->i_port;
1171 if( p_rtsp->es[i]->p_media_es->fmt.i_cat == VIDEO_ES )
1172 i_port_video = p_rtsp->es[i]->i_port;
1175 if( p_media->psz_mux )
1177 if( p_media->b_raw )
1179 if( asprintf( &psz_output,
1180 "std{access=udp,dst=%s:%i,mux=%s}",
1181 ip, i_port, p_media->psz_mux ) < 0 )
1186 if( asprintf( &psz_output,
1187 "rtp{dst=%s,port=%i,mux=%s}",
1188 ip, i_port_video, p_media->psz_mux ) < 0 )
1194 if( asprintf( &psz_output,
1195 "rtp{dst=%s,port-video=%i,port-audio=%i}",
1196 ip, i_port_video, i_port_audio ) < 0 )
1200 CommandPush( p_vod, RTSP_CMD_TYPE_PLAY, p_media, psz_session,
1206 case HTTPD_MSG_DESCRIBE:
1209 SDPGenerate( p_media, cl );
1211 if( psz_sdp != NULL )
1213 answer->i_status = 200;
1214 httpd_MsgAdd( answer, "Content-type", "%s",
1215 "application/sdp" );
1217 answer->p_body = (uint8_t *)psz_sdp;
1218 answer->i_body = strlen( psz_sdp );
1222 answer->i_status = 500;
1223 answer->p_body = NULL;
1229 case HTTPD_MSG_PAUSE:
1230 psz_session = httpd_MsgGet( query, "Session" );
1231 msg_Dbg( p_vod, "HTTPD_MSG_PAUSE for session: %s", psz_session );
1233 p_rtsp = RtspClientGet( p_media, psz_session );
1234 if( !p_rtsp ) break;
1236 if( !p_rtsp->b_paused )
1238 CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, psz_session,
1240 p_rtsp->b_paused = true;
1243 answer->i_status = 200;
1245 answer->p_body = NULL;
1248 case HTTPD_MSG_TEARDOWN:
1249 /* for now only multicast so easy again */
1250 answer->i_status = 200;
1252 answer->p_body = NULL;
1254 psz_session = httpd_MsgGet( query, "Session" );
1255 msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
1257 p_rtsp = RtspClientGet( p_media, psz_session );
1258 if( !p_rtsp ) break;
1260 CommandPush( p_vod, RTSP_CMD_TYPE_STOP, p_media, psz_session,
1262 RtspClientDel( p_media, p_rtsp );
1265 case HTTPD_MSG_GETPARAMETER:
1266 answer->i_status = 200;
1268 answer->p_body = NULL;
1272 return VLC_EGENERIC;
1275 httpd_MsgAdd( answer, "Server", "VLC/%s", VERSION );
1276 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1277 psz_cseq = httpd_MsgGet( query, "Cseq" );
1278 psz_cseq ? i_cseq = atoi( psz_cseq ) : 0;
1279 httpd_MsgAdd( answer, "CSeq", "%d", i_cseq );
1280 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1284 if( p_media->p_vod->p_sys->i_session_timeout >= 0 )
1285 httpd_MsgAdd( answer, "Session", "%s;timeout=%i", psz_session,
1286 p_media->p_vod->p_sys->i_session_timeout );
1288 httpd_MsgAdd( answer, "Session", "%s", psz_session );
1294 static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl,
1295 httpd_message_t *answer,
1296 const httpd_message_t *query )
1298 media_es_t *p_es = (media_es_t*)p_args;
1299 vod_media_t *p_media = p_es->p_media;
1300 vod_t *p_vod = p_media->p_vod;
1301 rtsp_client_t *p_rtsp = NULL;
1302 const char *psz_transport = NULL;
1303 const char *psz_playnow = NULL; /* support option: x-playNow */
1304 const char *psz_session = NULL;
1305 const char *psz_position = NULL;
1306 const char *psz_cseq = NULL;
1310 if( answer == NULL || query == NULL ) return VLC_SUCCESS;
1312 msg_Dbg( p_vod, "RtspCallback query: type=%d", query->i_type );
1314 answer->i_proto = HTTPD_PROTO_RTSP;
1315 answer->i_version = query->i_version;
1316 answer->i_type = HTTPD_MSG_ANSWER;
1318 answer->p_body = NULL;
1320 switch( query->i_type )
1322 case HTTPD_MSG_SETUP:
1323 psz_playnow = httpd_MsgGet( query, "x-playNow" );
1324 psz_transport = httpd_MsgGet( query, "Transport" );
1326 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: transport=%s", psz_transport );
1328 if( strstr( psz_transport, "unicast" ) &&
1329 strstr( psz_transport, "client_port=" ) )
1331 rtsp_client_t *p_rtsp = NULL;
1332 rtsp_client_es_t *p_rtsp_es = NULL;
1333 char ip[NI_MAXNUMERICHOST];
1334 int i_port = atoi( strstr( psz_transport, "client_port=" ) +
1335 strlen("client_port=") );
1337 if( httpd_ClientIP( cl, ip ) == NULL )
1339 answer->i_status = 500;
1341 answer->p_body = NULL;
1345 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: unicast ip=%s port=%d",
1348 psz_session = httpd_MsgGet( query, "Session" );
1349 if( !psz_session || !*psz_session )
1352 if( ( p_vod->p_sys->i_throttle_users > 0 ) &&
1353 ( p_vod->p_sys->i_connections >= p_vod->p_sys->i_throttle_users ) )
1355 answer->i_status = 503;
1357 answer->p_body = NULL;
1360 #warning Session ID should be securely random (spoofing risk)
1361 if( asprintf( &psz_new, "%lu", vlc_mrand48() ) < 0 )
1363 psz_session = psz_new;
1365 p_rtsp = RtspClientNew( p_media, psz_new );
1368 answer->i_status = 454;
1370 answer->p_body = NULL;
1376 p_rtsp = RtspClientGet( p_media, psz_session );
1379 answer->i_status = 454;
1381 answer->p_body = NULL;
1386 p_rtsp_es = malloc( sizeof(rtsp_client_es_t) );
1389 answer->i_status = 500;
1391 answer->p_body = NULL;
1394 p_rtsp_es->i_port = i_port;
1395 p_rtsp_es->p_media_es = p_es;
1396 TAB_APPEND( p_rtsp->i_es, p_rtsp->es, p_rtsp_es );
1398 answer->i_status = 200;
1400 answer->p_body = NULL;
1402 if( p_media->b_raw )
1404 if( strstr( psz_transport, "MP2T/H2221/UDP" ) )
1406 httpd_MsgAdd( answer, "Transport",
1407 "MP2T/H2221/UDP;unicast;client_port=%d-%d",
1408 p_rtsp_es->i_port, p_rtsp_es->i_port + 1 );
1410 else if( strstr( psz_transport, "RAW/RAW/UDP" ) )
1412 httpd_MsgAdd( answer, "Transport",
1413 "RAW/RAW/UDP;unicast;client_port=%d-%d",
1414 p_rtsp_es->i_port, p_rtsp_es->i_port + 1 );
1419 httpd_MsgAdd( answer, "Transport",
1420 "RTP/AVP/UDP;unicast;client_port=%d-%d",
1421 p_rtsp_es->i_port, p_rtsp_es->i_port + 1 );
1424 else /* TODO strstr( psz_transport, "interleaved" ) ) */
1426 answer->i_status = 461;
1428 answer->p_body = NULL;
1431 /* Intentional fall-through on x-playNow option in RTSP request */
1435 case HTTPD_MSG_PLAY:
1436 /* This is kind of a kludge. Should we only support Aggregate
1438 psz_session = httpd_MsgGet( query, "Session" );
1439 msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session );
1441 p_rtsp = RtspClientGet( p_media, psz_session );
1443 psz_position = httpd_MsgGet( query, "Range" );
1444 if( psz_position ) psz_position = strstr( psz_position, "npt=" );
1447 double f_pos = ParseNPT (psz_position + 4);
1448 msg_Dbg( p_vod, "seeking request: %s", psz_position );
1449 f_pos /= ((double)(p_media->i_length)) / CLOCK_FREQ / 100;
1450 CommandPush( p_vod, RTSP_CMD_TYPE_SEEK, p_media,
1451 psz_session, f_pos, NULL );
1456 answer->i_status = 200;
1458 answer->p_body = NULL;
1462 case HTTPD_MSG_TEARDOWN:
1463 answer->i_status = 200;
1465 answer->p_body = NULL;
1467 psz_session = httpd_MsgGet( query, "Session" );
1468 msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
1470 p_rtsp = RtspClientGet( p_media, psz_session );
1471 if( !p_rtsp ) break;
1473 for( i = 0; i < p_rtsp->i_es; i++ )
1475 if( p_rtsp->es[i]->p_media_es == p_es )
1477 TAB_REMOVE( p_rtsp->i_es, p_rtsp->es, p_rtsp->es[i] );
1484 CommandPush( p_vod, RTSP_CMD_TYPE_STOP, p_media, psz_session,
1486 RtspClientDel( p_media, p_rtsp );
1490 case HTTPD_MSG_PAUSE:
1491 /* This is kind of a kludge. Should we only support Aggregate
1493 psz_session = httpd_MsgGet( query, "Session" );
1494 msg_Dbg( p_vod, "HTTPD_MSG_PAUSE for session: %s", psz_session );
1496 p_rtsp = RtspClientGet( p_media, psz_session );
1497 if( !p_rtsp ) break;
1499 if( !p_rtsp->b_paused )
1501 CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, psz_session,
1503 p_rtsp->b_paused = true;
1506 answer->i_status = 200;
1508 answer->p_body = NULL;
1512 return VLC_EGENERIC;
1516 httpd_MsgAdd( answer, "Server", "VLC/%s", VERSION );
1517 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1518 psz_cseq = httpd_MsgGet( query, "Cseq" );
1520 i_cseq = atoi( psz_cseq );
1523 httpd_MsgAdd( answer, "Cseq", "%d", i_cseq );
1524 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1527 httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
1532 /*****************************************************************************
1534 * FIXME: need to be moved to a common place ?
1535 *****************************************************************************/
1536 static char *SDPGenerate( const vod_media_t *p_media, httpd_client_t *cl )
1538 char *psz_sdp, ip[NI_MAXNUMERICHOST];
1539 const char *psz_control;
1541 if( httpd_ServerIP( cl, ip ) == NULL )
1544 bool ipv6 = ( strchr( ip, ':' ) != NULL );
1546 psz_control = ipv6 ? p_media->psz_rtsp_control_v6
1547 : p_media->psz_rtsp_control_v4;
1549 /* Dummy destination address for RTSP */
1550 struct sockaddr_storage dst;
1551 socklen_t dstlen = ipv6 ? sizeof( struct sockaddr_in6 )
1552 : sizeof( struct sockaddr_in );
1553 memset (&dst, 0, dstlen);
1554 dst.ss_family = ipv6 ? AF_INET6 : AF_INET;
1556 dst.ss_len = dstlen;
1559 psz_sdp = vlc_sdp_Start( VLC_OBJECT( p_media->p_vod ), "sout-rtp-",
1560 NULL, 0, (struct sockaddr *)&dst, dstlen );
1561 if( psz_sdp == NULL )
1564 if( p_media->i_length > 0 )
1566 lldiv_t d = lldiv( p_media->i_length / 1000, 1000 );
1567 sdp_AddAttribute( &psz_sdp, "range"," npt=0-%lld.%03u", d.quot,
1571 for( int i = 0; i < p_media->i_es; i++ )
1573 media_es_t *p_es = p_media->es[i];
1574 const char *mime_major; /* major MIME type */
1576 switch( p_es->fmt.i_cat )
1579 mime_major = "video";
1582 mime_major = "audio";
1585 mime_major = "text";
1591 sdp_AddMedia( &psz_sdp, mime_major, "RTP/AVP", 0 /* p_es->i_port */,
1592 p_es->i_payload_type, false, 0,
1593 p_es->psz_ptname, p_es->i_clock_rate, p_es->i_channels,
1596 sdp_AddAttribute( &psz_sdp, "control", psz_control, ip, i );