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>
48 /*****************************************************************************
50 *****************************************************************************/
51 static int Open ( vlc_object_t * );
52 static void Close( vlc_object_t * );
54 #define HOST_TEXT N_( "RTSP host address" )
55 #define HOST_LONGTEXT N_( \
56 "This defines the address, port and path the RTSP VOD server will listen " \
57 "on.\nSyntax is address:port/path. The default is to listen on all "\
58 "interfaces (address 0.0.0.0), on port 554, with no path.\nTo listen " \
59 "only on the local interface, use \"localhost\" as address." )
61 #define THROTLE_TEXT N_( "Maximum number of connections" )
62 #define THROTLE_LONGTEXT N_( "This limits the maximum number of clients " \
63 "that can connect to the RTSP VOD. 0 means no limit." )
65 #define RAWMUX_TEXT N_( "MUX for RAW RTSP transport" )
67 #define SESSION_TIMEOUT_TEXT N_( "Sets the timeout option in the RTSP " \
69 #define SESSION_TIMEOUT_LONGTEXT N_( "Defines what timeout option to add " \
70 "to the RTSP session ID string. Setting it to a negative number removes " \
71 "the timeout option entirely. This is needed by some IPTV STBs (such as " \
72 "those made by HansunTech) which get confused by it. The default is 5." )
75 set_shortname( N_("RTSP VoD" ) );
76 set_description( N_("RTSP VoD server") );
77 set_category( CAT_SOUT );
78 set_subcategory( SUBCAT_SOUT_VOD );
79 set_capability( "vod server", 1 );
80 set_callbacks( Open, Close );
81 add_shortcut( "rtsp" );
82 add_string ( "rtsp-host", NULL, NULL, HOST_TEXT, HOST_LONGTEXT, true );
83 add_string( "rtsp-raw-mux", "ts", NULL, RAWMUX_TEXT,
85 add_integer( "rtsp-throttle-users", 0, NULL, THROTLE_TEXT,
86 THROTLE_LONGTEXT, true );
87 add_integer( "rtsp-session-timeout", 5, NULL, SESSION_TIMEOUT_TEXT,
88 SESSION_TIMEOUT_LONGTEXT, true );
91 /*****************************************************************************
93 *****************************************************************************/
95 typedef struct media_es_t media_es_t;
99 media_es_t *p_media_es;
108 int64_t i_last; /* for timeout */
110 bool b_playing; /* is it in "play" state */
111 bool b_paused; /* is it in "pause" state */
114 rtsp_client_es_t **es;
124 httpd_url_t *p_rtsp_url;
126 vod_media_t *p_media;
130 uint8_t i_payload_type;
144 httpd_url_t *p_rtsp_url;
145 char *psz_rtsp_control_v4;
146 char *psz_rtsp_control_v6;
170 rtsp_client_t **rtsp;
173 char *psz_session_name;
174 char *psz_session_description;
175 char *psz_session_url;
176 char *psz_session_email;
183 httpd_host_t *p_rtsp_host;
186 int i_throttle_users;
191 int i_session_timeout;
194 vlc_mutex_t lock_media;
200 block_fifo_t *p_fifo_cmd;
203 /* rtsp delayed command (to avoid deadlock between vlm/httpd) */
206 RTSP_CMD_TYPE_NONE, /* Exit requested */
212 RTSP_CMD_TYPE_REWIND,
213 RTSP_CMD_TYPE_FORWARD,
216 static vod_media_t *MediaNew( vod_t *, const char *, input_item_t * );
217 static void MediaDel( vod_t *, vod_media_t * );
218 static int MediaAddES( vod_t *, vod_media_t *, es_format_t * );
219 static void MediaDelES( vod_t *, vod_media_t *, es_format_t * );
221 static void CommandThread( vlc_object_t *p_this );
222 static void CommandPush( vod_t *, rtsp_cmd_type_t, vod_media_t *, const char *psz_session,
223 double f_arg, const char *psz_arg );
225 static rtsp_client_t *RtspClientNew( vod_media_t *, char * );
226 static rtsp_client_t *RtspClientGet( vod_media_t *, const char * );
227 static void RtspClientDel( vod_media_t *, rtsp_client_t * );
229 static int RtspCallback( httpd_callback_sys_t *, httpd_client_t *,
230 httpd_message_t *, const httpd_message_t * );
231 static int RtspCallbackES( httpd_callback_sys_t *, httpd_client_t *,
232 httpd_message_t *, const httpd_message_t * );
234 static char *SDPGenerate( const vod_media_t *, httpd_client_t *cl );
236 static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
238 static const char hex[16] = "0123456789abcdef";
241 for( i = 0; i < i_data; i++ )
243 s[2*i+0] = hex[(p_data[i]>>4)&0xf];
244 s[2*i+1] = hex[(p_data[i] )&0xf];
249 /*****************************************************************************
250 * Open: Starts the RTSP server module
251 *****************************************************************************/
252 static int Open( vlc_object_t *p_this )
254 vod_t *p_vod = (vod_t *)p_this;
255 vod_sys_t *p_sys = 0;
259 psz_url = config_GetPsz( p_vod, "rtsp-host" );
260 vlc_UrlParse( &url, psz_url, 0 );
263 if( url.i_port <= 0 ) url.i_port = 554;
265 p_vod->p_sys = p_sys = malloc( sizeof( vod_sys_t ) );
266 if( !p_sys ) goto error;
267 p_sys->p_rtsp_host = 0;
269 p_sys->i_session_timeout = var_CreateGetInteger( p_this, "rtsp-session-timeout" );
271 p_sys->i_throttle_users = var_CreateGetInteger( p_this, "rtsp-throttle-users" );
272 msg_Dbg( p_this, "allowing up to %d connections", p_sys->i_throttle_users );
273 p_sys->i_connections = 0;
275 p_sys->psz_raw_mux = var_CreateGetString( p_this, "rtsp-raw-mux" );
278 httpd_HostNew( VLC_OBJECT(p_vod), url.psz_host, url.i_port );
279 if( !p_sys->p_rtsp_host )
281 msg_Err( p_vod, "cannot create RTSP server (%s:%i)",
282 url.psz_host, url.i_port );
286 p_sys->psz_path = strdup( url.psz_path ? url.psz_path : "/" );
287 p_sys->i_port = url.i_port;
289 vlc_UrlClean( &url );
291 vlc_mutex_init( &p_sys->lock_media );
293 TAB_INIT( p_sys->i_media, p_sys->media );
294 p_sys->i_media_id = 0;
296 p_vod->pf_media_new = MediaNew;
297 p_vod->pf_media_del = MediaDel;
298 p_vod->pf_media_add_es = MediaAddES;
299 p_vod->pf_media_del_es = MediaDelES;
301 p_sys->p_fifo_cmd = block_FifoNew();
302 if( vlc_thread_create( p_vod, "rtsp vod thread", CommandThread,
303 VLC_THREAD_PRIORITY_LOW, false ) )
305 msg_Err( p_vod, "cannot spawn rtsp vod thread" );
306 block_FifoRelease( p_sys->p_fifo_cmd );
307 free( p_sys->psz_path );
316 if( p_sys->p_rtsp_host ) httpd_HostDelete( p_sys->p_rtsp_host );
317 free( p_sys->psz_raw_mux );
320 vlc_UrlClean( &url );
325 /*****************************************************************************
327 *****************************************************************************/
328 static void Close( vlc_object_t * p_this )
330 vod_t *p_vod = (vod_t *)p_this;
331 vod_sys_t *p_sys = p_vod->p_sys;
333 /* Stop command thread */
334 vlc_object_kill( p_vod );
335 CommandPush( p_vod, RTSP_CMD_TYPE_NONE, NULL, NULL, 0.0, NULL );
336 vlc_thread_join( p_vod );
338 block_FifoRelease( p_sys->p_fifo_cmd );
340 httpd_HostDelete( p_sys->p_rtsp_host );
341 var_Destroy( p_this, "rtsp-session-timeout" );
342 var_Destroy( p_this, "rtsp-throttle-users" );
343 var_Destroy( p_this, "rtsp-raw-mux" );
345 /* Check VLM is not buggy */
346 if( p_sys->i_media > 0 )
347 msg_Err( p_vod, "rtsp vod leaking %d medias", p_sys->i_media );
348 TAB_CLEAN( p_sys->i_media, p_sys->media );
350 vlc_mutex_destroy( &p_sys->lock_media );
352 free( p_sys->psz_path );
353 free( p_sys->psz_raw_mux );
357 /*****************************************************************************
359 *****************************************************************************/
360 static vod_media_t *MediaNew( vod_t *p_vod, const char *psz_name,
361 input_item_t *p_item )
363 vod_sys_t *p_sys = p_vod->p_sys;
364 vod_media_t *p_media = malloc( sizeof(vod_media_t) );
370 memset( p_media, 0, sizeof(vod_media_t) );
371 p_media->id = p_sys->i_media_id++;
372 TAB_INIT( p_media->i_es, p_media->es );
373 p_media->psz_mux = 0;
374 TAB_INIT( p_media->i_rtsp, p_media->rtsp );
375 p_media->b_raw = false;
377 if( asprintf( &p_media->psz_rtsp_path, "%s%s",
378 p_sys->psz_path, psz_name ) <0 )
380 p_media->p_rtsp_url =
381 httpd_UrlNewUnique( p_sys->p_rtsp_host, p_media->psz_rtsp_path, NULL,
384 if( !p_media->p_rtsp_url )
386 msg_Err( p_vod, "cannot create RTSP url (%s)", p_media->psz_rtsp_path);
387 free( p_media->psz_rtsp_path );
392 msg_Dbg( p_vod, "created RTSP url: %s", p_media->psz_rtsp_path );
394 if( asprintf( &p_media->psz_rtsp_control_v4,
395 "a=control:rtsp://%%s:%d%s/trackID=%%d\r\n",
396 p_sys->i_port, p_media->psz_rtsp_path ) < 0 )
398 if( asprintf( &p_media->psz_rtsp_control_v6,
399 "a=control:rtsp://[%%s]:%d%s/trackID=%%d\r\n",
400 p_sys->i_port, p_media->psz_rtsp_path ) < 0 )
403 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_SETUP,
404 RtspCallback, (void*)p_media );
405 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_DESCRIBE,
406 RtspCallback, (void*)p_media );
407 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_PLAY,
408 RtspCallback, (void*)p_media );
409 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_PAUSE,
410 RtspCallback, (void*)p_media );
411 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_GETPARAMETER,
412 RtspCallback, (void*)p_media );
413 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_TEARDOWN,
414 RtspCallback, (void*)p_media );
416 p_media->p_vod = p_vod;
418 vlc_mutex_lock( &p_sys->lock_media );
419 TAB_APPEND( p_sys->i_media, p_sys->media, p_media );
420 vlc_mutex_unlock( &p_sys->lock_media );
422 vlc_mutex_init( &p_media->lock );
423 p_media->psz_session_name = strdup("");
424 p_media->psz_session_description = strdup("");
425 p_media->psz_session_url = strdup("");
426 p_media->psz_session_email = strdup("");
428 p_media->i_port_audio = 1234;
429 p_media->i_port_video = 1236;
430 p_media->i_port = 1238;
431 p_media->i_payload_type = 96;
433 p_media->i_sdp_id = mdate();
434 p_media->i_sdp_version = 1;
435 p_media->i_length = input_item_GetDuration( p_item );
437 vlc_mutex_lock( &p_item->lock );
438 msg_Dbg( p_vod, "media has %i declared ES", p_item->i_es );
439 for( i = 0; i < p_item->i_es; i++ )
441 MediaAddES( p_vod, p_media, p_item->es[i] );
443 vlc_mutex_unlock( &p_item->lock );
448 static void MediaDel( vod_t *p_vod, vod_media_t *p_media )
450 vod_sys_t *p_sys = p_vod->p_sys;
452 msg_Dbg( p_vod, "deleting media: %s", p_media->psz_rtsp_path );
454 vlc_mutex_lock( &p_sys->lock_media );
455 TAB_REMOVE( p_sys->i_media, p_sys->media, p_media );
456 vlc_mutex_unlock( &p_sys->lock_media );
458 while( p_media->i_rtsp > 0 )
459 RtspClientDel( p_media, p_media->rtsp[0] );
460 TAB_CLEAN( p_media->i_rtsp, p_media->rtsp );
462 httpd_UrlDelete( p_media->p_rtsp_url );
463 free( p_media->psz_rtsp_path );
464 free( p_media->psz_rtsp_control_v6 );
465 free( p_media->psz_rtsp_control_v4 );
467 while( p_media->i_es )
468 MediaDelES( p_vod, p_media, &p_media->es[0]->fmt );
469 TAB_CLEAN( p_media->i_es, p_media->es );
471 vlc_mutex_destroy( &p_media->lock );
473 free( p_media->psz_session_name );
474 free( p_media->psz_session_description );
475 free( p_media->psz_session_url );
476 free( p_media->psz_session_email );
477 free( p_media->psz_mux );
481 static int MediaAddES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt )
483 media_es_t *p_es = malloc( sizeof(media_es_t) );
486 if( !p_es ) return VLC_ENOMEM;
487 memset( p_es, 0, sizeof(media_es_t) );
489 free( p_media->psz_mux );
490 p_media->psz_mux = NULL;
492 /* TODO: update SDP, etc... */
493 if( asprintf( &psz_urlc, "%s/trackID=%d",
494 p_media->psz_rtsp_path, p_media->i_es ) < 0 )
496 msg_Dbg( p_vod, " - ES %4.4s (%s)", (char *)&p_fmt->i_codec, psz_urlc );
498 switch( p_fmt->i_codec )
500 case VLC_FOURCC( 's', '1', '6', 'b' ):
501 if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
503 p_es->i_payload_type = 11;
505 else if( p_fmt->audio.i_channels == 2 &&
506 p_fmt->audio.i_rate == 44100 )
508 p_es->i_payload_type = 10;
512 p_es->i_payload_type = p_media->i_payload_type++;
514 p_es->psz_rtpmap = malloc( strlen( "L16/*/*" ) + 20+1 );
515 sprintf( p_es->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
516 p_fmt->audio.i_channels );
518 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
519 p_es->i_payload_type = p_media->i_payload_type++;
520 p_es->psz_rtpmap = malloc( strlen( "L8/*/*" ) + 20+1 );
521 sprintf( p_es->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
522 p_fmt->audio.i_channels );
524 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
525 p_es->i_payload_type = 14;
526 p_es->psz_rtpmap = strdup( "MPA/90000" );
528 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
529 p_es->i_payload_type = 32;
530 p_es->psz_rtpmap = strdup( "MPV/90000" );
532 case VLC_FOURCC( 'a', '5', '2', ' ' ):
533 p_es->i_payload_type = p_media->i_payload_type++;
534 p_es->psz_rtpmap = strdup( "ac3/90000" );
536 case VLC_FOURCC( 'H', '2', '6', '3' ):
537 p_es->i_payload_type = p_media->i_payload_type++;
538 p_es->psz_rtpmap = strdup( "H263-1998/90000" );
540 case VLC_FOURCC( 'h', '2', '6', '4' ):
541 p_es->i_payload_type = p_media->i_payload_type++;
542 p_es->psz_rtpmap = strdup( "H264/90000" );
543 p_es->psz_fmtp = NULL;
544 /* FIXME AAAAAAAAAAAARRRRRRRRGGGG copied from stream_out/rtp.c */
545 if( p_fmt->i_extra > 0 )
547 uint8_t *p_buffer = p_fmt->p_extra;
548 int i_buffer = p_fmt->i_extra;
549 char *p_64_sps = NULL;
550 char *p_64_pps = NULL;
553 while( i_buffer > 4 &&
554 p_buffer[0] == 0 && p_buffer[1] == 0 &&
555 p_buffer[2] == 0 && p_buffer[3] == 1 )
557 const int i_nal_type = p_buffer[4]&0x1f;
562 for( i_offset = 4; i_offset+3 < i_buffer ; i_offset++)
564 if( p_buffer[i_offset] == 0 && p_buffer[i_offset+1] == 0 && p_buffer[i_offset+2] == 0 && p_buffer[i_offset+3] == 1 )
566 /* we found another startcode */
571 if( i_nal_type == 7 )
573 p_64_sps = vlc_b64_encode_binary( &p_buffer[4], i_size - 4 );
574 sprintf_hexa( hexa, &p_buffer[5], 3 );
576 else if( i_nal_type == 8 )
578 p_64_pps = vlc_b64_encode_binary( &p_buffer[4], i_size - 4 );
584 if( p_64_sps && p_64_pps )
585 if( asprintf( &p_es->psz_fmtp,
586 "packetization-mode=1;profile-level-id=%s;"
587 "sprop-parameter-sets=%s,%s;", hexa, p_64_sps,
593 if( !p_es->psz_fmtp )
594 p_es->psz_fmtp = strdup( "packetization-mode=1" );
596 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
597 p_es->i_payload_type = p_media->i_payload_type++;
598 p_es->psz_rtpmap = strdup( "MP4V-ES/90000" );
599 if( p_fmt->i_extra > 0 )
601 char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
602 p_es->psz_fmtp = malloc( 100 + 2 * p_fmt->i_extra );
603 sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
604 sprintf( p_es->psz_fmtp,
605 "profile-level-id=3; config=%s;", p_hexa );
609 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
610 p_es->i_payload_type = p_media->i_payload_type++;
611 p_es->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
612 sprintf( p_es->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
613 if( p_fmt->i_extra > 0 )
615 char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
616 p_es->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
617 sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
618 sprintf( p_es->psz_fmtp,
619 "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
620 "config=%s; SizeLength=13;IndexLength=3; "
621 "IndexDeltaLength=3; Profile=1;", p_hexa );
625 case VLC_FOURCC( 'm', 'p', '2', 't' ):
626 p_media->psz_mux = strdup("ts");
627 p_es->i_payload_type = 33;
628 p_es->psz_rtpmap = strdup( "MP2T/90000" );
630 case VLC_FOURCC( 'm', 'p', '2', 'p' ):
631 p_media->psz_mux = strdup("ps");
632 p_es->i_payload_type = p_media->i_payload_type++;
633 p_es->psz_rtpmap = strdup( "MP2P/90000" );
635 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
636 p_es->i_payload_type = p_media->i_payload_type++;
637 p_es->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
638 "AMR/8000/2" : "AMR/8000" );
639 p_es->psz_fmtp = strdup( "octet-align=1" );
641 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
642 p_es->i_payload_type = p_media->i_payload_type++;
643 p_es->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
644 "AMR-WB/16000/2" : "AMR-WB/16000" );
645 p_es->psz_fmtp = strdup( "octet-align=1" );
649 msg_Err( p_vod, "cannot add this stream (unsupported "
650 "codec: %4.4s)", (char*)&p_fmt->i_codec );
656 httpd_UrlNewUnique( p_vod->p_sys->p_rtsp_host, psz_urlc, NULL, NULL,
659 if( !p_es->p_rtsp_url )
661 msg_Err( p_vod, "cannot create RTSP url (%s)", psz_urlc );
668 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_SETUP,
669 RtspCallbackES, (void*)p_es );
670 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_TEARDOWN,
671 RtspCallbackES, (void*)p_es );
672 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PLAY,
673 RtspCallbackES, (void*)p_es );
674 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PAUSE,
675 RtspCallbackES, (void*)p_es );
677 es_format_Copy( &p_es->fmt, p_fmt );
679 p_es->p_media = p_media;
682 /* Choose the port */
683 if( p_fmt->i_cat == AUDIO_ES && p_media->i_port_audio > 0 )
685 p_es->i_port = p_media->i_port_audio;
686 p_media->i_port_audio = 0;
688 else if( p_fmt->i_cat == VIDEO_ES && p_media->i_port_video > 0 )
690 p_es->i_port = p_media->i_port_video;
691 p_media->i_port_video = 0;
693 while( !p_es->i_port )
695 if( p_media->i_port != p_media->i_port_audio &&
696 p_media->i_port != p_media->i_port_video )
698 p_es->i_port = p_media->i_port;
699 p_media->i_port += 2;
702 p_media->i_port += 2;
709 vlc_mutex_lock( &p_media->lock );
710 TAB_APPEND( p_media->i_es, p_media->es, p_es );
711 vlc_mutex_unlock( &p_media->lock );
713 p_media->i_sdp_version++;
718 static void MediaDelES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt)
720 media_es_t *p_es = NULL;
724 for( i = 0; i < p_media->i_es; i++ )
726 if( p_media->es[i]->fmt.i_cat == p_fmt->i_cat &&
727 p_media->es[i]->fmt.i_codec == p_fmt->i_codec &&
728 p_media->es[i]->fmt.i_id == p_fmt->i_id )
730 p_es = p_media->es[i];
735 msg_Dbg( p_vod, " - Removing ES %4.4s", (char *)&p_fmt->i_codec );
737 vlc_mutex_lock( &p_media->lock );
738 TAB_REMOVE( p_media->i_es, p_media->es, p_es );
739 vlc_mutex_unlock( &p_media->lock );
741 free( p_es->psz_rtpmap );
742 free( p_es->psz_fmtp );
743 p_media->i_sdp_version++;
745 if( p_es->p_rtsp_url ) httpd_UrlDelete( p_es->p_rtsp_url );
746 es_format_Clean( &p_es->fmt );
755 //vod_media_t *p_media;
761 static void CommandPush( vod_t *p_vod, rtsp_cmd_type_t i_type, vod_media_t *p_media, const char *psz_session,
762 double f_arg, const char *psz_arg )
767 memset( &cmd, 0, sizeof(cmd) );
770 cmd.i_media_id = p_media->id;
772 cmd.psz_session = strdup(psz_session);
775 cmd.psz_arg = strdup(psz_arg);
777 p_cmd = block_New( p_vod, sizeof(rtsp_cmd_t) );
778 memcpy( p_cmd->p_buffer, &cmd, sizeof(cmd) );
780 block_FifoPut( p_vod->p_sys->p_fifo_cmd, p_cmd );
783 static void CommandThread( vlc_object_t *p_this )
785 vod_t *p_vod = (vod_t*)p_this;
786 vod_sys_t *p_sys = p_vod->p_sys;
788 while( !p_vod->b_die )
790 block_t *p_block_cmd = block_FifoGet( p_sys->p_fifo_cmd );
792 vod_media_t *p_media = NULL;
798 memcpy( &cmd, p_block_cmd->p_buffer, sizeof(cmd) );
799 block_Release( p_block_cmd );
801 if( cmd.i_type == RTSP_CMD_TYPE_NONE )
805 vlc_mutex_lock( &p_sys->lock_media );
806 for( i = 0; i < p_sys->i_media; i++ )
808 if( p_sys->media[i]->id == cmd.i_media_id )
811 if( i >= p_sys->i_media )
813 p_media = p_sys->media[i];
817 case RTSP_CMD_TYPE_PLAY:
818 vod_MediaControl( p_vod, p_media, cmd.psz_session,
819 VOD_MEDIA_PLAY, cmd.psz_arg );
821 case RTSP_CMD_TYPE_PAUSE:
822 vod_MediaControl( p_vod, p_media, cmd.psz_session,
826 case RTSP_CMD_TYPE_STOP:
827 vod_MediaControl( p_vod, p_media, cmd.psz_session, VOD_MEDIA_STOP );
830 case RTSP_CMD_TYPE_SEEK:
831 vod_MediaControl( p_vod, p_media, cmd.psz_session,
832 VOD_MEDIA_SEEK, cmd.f_arg );
835 case RTSP_CMD_TYPE_REWIND:
836 vod_MediaControl( p_vod, p_media, cmd.psz_session,
837 VOD_MEDIA_REWIND, cmd.f_arg );
840 case RTSP_CMD_TYPE_FORWARD:
841 vod_MediaControl( p_vod, p_media, cmd.psz_session,
842 VOD_MEDIA_FORWARD, cmd.f_arg );
850 vlc_mutex_unlock( &p_sys->lock_media );
851 free( cmd.psz_session );
856 /****************************************************************************
857 * RTSP server implementation
858 ****************************************************************************/
859 static rtsp_client_t *RtspClientNew( vod_media_t *p_media, char *psz_session )
861 rtsp_client_t *p_rtsp = malloc( sizeof(rtsp_client_t) );
863 if( !p_rtsp ) return NULL;
864 memset( p_rtsp, 0, sizeof(rtsp_client_t) );
867 p_rtsp->psz_session = psz_session;
868 TAB_APPEND( p_media->i_rtsp, p_media->rtsp, p_rtsp );
870 p_media->p_vod->p_sys->i_connections++;
871 msg_Dbg( p_media->p_vod, "new session: %s, connections: %d",
872 psz_session, p_media->p_vod->p_sys->i_throttle_users );
877 static rtsp_client_t *RtspClientGet( vod_media_t *p_media, const char *psz_session )
881 for( i = 0; psz_session && i < p_media->i_rtsp; i++ )
883 if( !strcmp( p_media->rtsp[i]->psz_session, psz_session ) )
884 return p_media->rtsp[i];
890 static void RtspClientDel( vod_media_t *p_media, rtsp_client_t *p_rtsp )
892 p_media->p_vod->p_sys->i_connections--;
893 msg_Dbg( p_media->p_vod, "closing session: %s, connections: %d",
894 p_rtsp->psz_session, p_media->p_vod->p_sys->i_throttle_users );
896 while( p_rtsp->i_es-- )
898 free( p_rtsp->es[p_rtsp->i_es]->psz_ip );
899 free( p_rtsp->es[p_rtsp->i_es] );
900 if( !p_rtsp->i_es ) free( p_rtsp->es );
903 TAB_REMOVE( p_media->i_rtsp, p_media->rtsp, p_rtsp );
905 free( p_rtsp->psz_session );
909 static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
910 httpd_message_t *answer, const httpd_message_t *query )
912 vod_media_t *p_media = (vod_media_t*)p_args;
913 vod_t *p_vod = p_media->p_vod;
914 const char *psz_transport = NULL;
915 const char *psz_playnow = NULL; /* support option: x-playNow */
916 const char *psz_session = NULL;
917 const char *psz_cseq = NULL;
918 rtsp_client_t *p_rtsp;
922 if( answer == NULL || query == NULL ) return VLC_SUCCESS;
924 msg_Dbg( p_vod, "RtspCallback query: type=%d", query->i_type );
926 answer->i_proto = HTTPD_PROTO_RTSP;
927 answer->i_version = query->i_version;
928 answer->i_type = HTTPD_MSG_ANSWER;
930 answer->p_body = NULL;
932 switch( query->i_type )
934 case HTTPD_MSG_SETUP:
936 psz_playnow = httpd_MsgGet( query, "x-playNow" );
937 psz_transport = httpd_MsgGet( query, "Transport" );
938 if( psz_transport == NULL )
940 answer->i_status = 400;
943 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: transport=%s", psz_transport );
945 if( strstr( psz_transport, "unicast" ) &&
946 strstr( psz_transport, "client_port=" ) )
948 rtsp_client_t *p_rtsp = NULL;
949 char ip[NI_MAXNUMERICHOST];
950 i_port = atoi( strstr( psz_transport, "client_port=" ) +
951 strlen("client_port=") );
953 if( strstr( psz_transport, "MP2T/H2221/UDP" ) ||
954 strstr( psz_transport, "RAW/RAW/UDP" ) )
956 free( p_media->psz_mux );
957 p_media->psz_mux = NULL;
958 p_media->psz_mux = strdup( p_vod->p_sys->psz_raw_mux );
959 p_media->b_raw = true;
962 if( httpd_ClientIP( cl, ip ) == NULL )
964 answer->i_status = 500;
966 answer->p_body = NULL;
970 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: unicast ip=%s port=%d",
973 psz_session = httpd_MsgGet( query, "Session" );
974 if( !psz_session || !*psz_session )
977 if( ( p_vod->p_sys->i_throttle_users > 0 ) &&
978 ( p_vod->p_sys->i_connections >= p_vod->p_sys->i_throttle_users ) )
980 answer->i_status = 503;
982 answer->p_body = NULL;
985 if( asprintf( &psz_new, "%d", rand() ) < 0 )
987 psz_session = psz_new;
989 p_rtsp = RtspClientNew( p_media, psz_new );
992 answer->i_status = 454;
994 answer->p_body = NULL;
1000 p_rtsp = RtspClientGet( p_media, psz_session );
1003 answer->i_status = 454;
1005 answer->p_body = NULL;
1010 answer->i_status = 200;
1012 answer->p_body = NULL;
1014 if( p_media->b_raw )
1016 if( strstr( psz_transport, "MP2T/H2221/UDP" ) )
1018 httpd_MsgAdd( answer, "Transport",
1019 "MP2T/H2221/UDP;unicast;client_port=%d-%d",
1020 i_port, i_port + 1 );
1022 else if( strstr( psz_transport, "RAW/RAW/UDP" ) )
1024 httpd_MsgAdd( answer, "Transport",
1025 "RAW/RAW/UDP;unicast;client_port=%d-%d",
1026 i_port, i_port + 1 );
1030 httpd_MsgAdd( answer, "Transport",
1031 "RTP/AVP/UDP;unicast;client_port=%d-%d",
1032 i_port, i_port + 1 );
1034 else /* TODO strstr( psz_transport, "interleaved" ) ) */
1036 answer->i_status = 461;
1038 answer->p_body = NULL;
1041 /* Intentional fall-through on x-playNow option in RTSP request */
1046 case HTTPD_MSG_PLAY:
1048 char *psz_output, ip[NI_MAXNUMERICHOST];
1049 int i, i_port_audio = 0, i_port_video = 0;
1051 /* for now only multicast so easy */
1054 answer->i_status = 200;
1056 answer->p_body = NULL;
1060 psz_session = httpd_MsgGet( query, "Session" );
1061 msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session );
1063 p_rtsp = RtspClientGet( p_media, psz_session );
1066 answer->i_status = 500;
1068 answer->p_body = NULL;
1072 if( p_rtsp->b_playing )
1074 const char *psz_position = httpd_MsgGet( query, "Range" );
1075 const char *psz_scale = httpd_MsgGet( query, "Scale" );
1077 psz_position = strstr( psz_position, "npt=" );
1078 if( psz_position && !psz_scale )
1083 msg_Dbg( p_vod, "seeking request: %s", psz_position );
1085 /* FIXME: npt= is not necessarily formatted as a float */
1086 f_pos = us_strtod( psz_position, &end );
1087 if( end > psz_position )
1089 f_pos /= ((double)(p_media->i_length))/1000 /1000 / 100;
1090 CommandPush( p_vod, RTSP_CMD_TYPE_SEEK, p_media,
1091 psz_session, f_pos, NULL );
1097 double f_scale = 0.0;
1100 f_scale = us_strtod( psz_scale, &end );
1101 if( end > psz_scale )
1103 f_scale = (f_scale * 30.0);
1104 if( psz_scale[0] == '-' ) /* rewind */
1106 msg_Dbg( p_vod, "rewind request: %s", psz_scale );
1107 CommandPush( p_vod, RTSP_CMD_TYPE_REWIND, p_media,
1108 psz_session, f_scale, NULL );
1110 else if(psz_scale[0] != '1' ) /* fast-forward */
1112 msg_Dbg( p_vod, "fastforward request: %s",
1114 CommandPush( p_vod, RTSP_CMD_TYPE_FORWARD, p_media,
1115 psz_session, f_scale, NULL );
1118 if( p_rtsp->b_paused == true )
1120 p_rtsp->b_paused = false;
1121 CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media,
1122 psz_session, 0, NULL );
1129 if( p_rtsp->b_playing && p_rtsp->b_paused )
1131 CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media,
1132 psz_session, 0, NULL );
1133 p_rtsp->b_paused = false;
1136 else if( p_rtsp->b_playing ) break;
1138 if( httpd_ClientIP( cl, ip ) == NULL ) break;
1140 p_rtsp->b_playing = true;
1142 /* FIXME for != 1 video and 1 audio */
1143 for( i = 0; i < p_rtsp->i_es; i++ )
1145 if( p_rtsp->es[i]->p_media_es->fmt.i_cat == AUDIO_ES )
1146 i_port_audio = p_rtsp->es[i]->i_port;
1147 if( p_rtsp->es[i]->p_media_es->fmt.i_cat == VIDEO_ES )
1148 i_port_video = p_rtsp->es[i]->i_port;
1151 if( p_media->psz_mux )
1153 if( p_media->b_raw )
1155 if( asprintf( &psz_output,
1156 "std{access=udp,dst=%s:%i,mux=%s}",
1157 ip, i_port, p_media->psz_mux ) < 0 )
1162 if( asprintf( &psz_output,
1163 "rtp{dst=%s,port=%i,mux=%s}",
1164 ip, i_port_video, p_media->psz_mux ) < 0 )
1170 if( asprintf( &psz_output,
1171 "rtp{dst=%s,port-video=%i,port-audio=%i}",
1172 ip, i_port_video, i_port_audio ) < 0 )
1176 CommandPush( p_vod, RTSP_CMD_TYPE_PLAY, p_media, psz_session,
1182 case HTTPD_MSG_DESCRIBE:
1185 SDPGenerate( p_media, cl );
1187 if( psz_sdp != NULL )
1189 answer->i_status = 200;
1190 httpd_MsgAdd( answer, "Content-type", "%s",
1191 "application/sdp" );
1193 answer->p_body = (uint8_t *)psz_sdp;
1194 answer->i_body = strlen( psz_sdp );
1198 answer->i_status = 500;
1199 answer->p_body = NULL;
1205 case HTTPD_MSG_PAUSE:
1206 psz_session = httpd_MsgGet( query, "Session" );
1207 msg_Dbg( p_vod, "HTTPD_MSG_PAUSE for session: %s", psz_session );
1209 p_rtsp = RtspClientGet( p_media, psz_session );
1210 if( !p_rtsp ) break;
1212 CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, psz_session,
1214 p_rtsp->b_paused = true;
1216 answer->i_status = 200;
1218 answer->p_body = NULL;
1221 case HTTPD_MSG_TEARDOWN:
1222 /* for now only multicast so easy again */
1223 answer->i_status = 200;
1225 answer->p_body = NULL;
1227 psz_session = httpd_MsgGet( query, "Session" );
1228 msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
1230 p_rtsp = RtspClientGet( p_media, psz_session );
1231 if( !p_rtsp ) break;
1233 CommandPush( p_vod, RTSP_CMD_TYPE_STOP, p_media, psz_session,
1235 RtspClientDel( p_media, p_rtsp );
1238 case HTTPD_MSG_GETPARAMETER:
1239 answer->i_status = 200;
1241 answer->p_body = NULL;
1245 return VLC_EGENERIC;
1248 httpd_MsgAdd( answer, "Server", "VLC Server" );
1249 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1250 psz_cseq = httpd_MsgGet( query, "Cseq" );
1251 psz_cseq ? i_cseq = atoi( psz_cseq ) : 0;
1252 httpd_MsgAdd( answer, "CSeq", "%d", i_cseq );
1253 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1257 if( p_media->p_vod->p_sys->i_session_timeout >= 0 )
1258 httpd_MsgAdd( answer, "Session", "%s;timeout=%i", psz_session,
1259 p_media->p_vod->p_sys->i_session_timeout );
1261 httpd_MsgAdd( answer, "Session", "%s", psz_session );
1267 static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl,
1268 httpd_message_t *answer,
1269 const httpd_message_t *query )
1271 media_es_t *p_es = (media_es_t*)p_args;
1272 vod_media_t *p_media = p_es->p_media;
1273 vod_t *p_vod = p_media->p_vod;
1274 rtsp_client_t *p_rtsp = NULL;
1275 const char *psz_transport = NULL;
1276 const char *psz_playnow = NULL; /* support option: x-playNow */
1277 const char *psz_session = NULL;
1278 const char *psz_position = NULL;
1279 const char *psz_cseq = NULL;
1283 if( answer == NULL || query == NULL ) return VLC_SUCCESS;
1285 msg_Dbg( p_vod, "RtspCallback query: type=%d", query->i_type );
1287 answer->i_proto = HTTPD_PROTO_RTSP;
1288 answer->i_version = query->i_version;
1289 answer->i_type = HTTPD_MSG_ANSWER;
1291 answer->p_body = NULL;
1293 switch( query->i_type )
1295 case HTTPD_MSG_SETUP:
1296 psz_playnow = httpd_MsgGet( query, "x-playNow" );
1297 psz_transport = httpd_MsgGet( query, "Transport" );
1299 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: transport=%s", psz_transport );
1301 if( strstr( psz_transport, "unicast" ) &&
1302 strstr( psz_transport, "client_port=" ) )
1304 rtsp_client_t *p_rtsp = NULL;
1305 rtsp_client_es_t *p_rtsp_es = NULL;
1306 char ip[NI_MAXNUMERICHOST];
1307 int i_port = atoi( strstr( psz_transport, "client_port=" ) +
1308 strlen("client_port=") );
1310 if( httpd_ClientIP( cl, ip ) == NULL )
1312 answer->i_status = 500;
1314 answer->p_body = NULL;
1318 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: unicast ip=%s port=%d",
1321 psz_session = httpd_MsgGet( query, "Session" );
1322 if( !psz_session || !*psz_session )
1325 if( ( p_vod->p_sys->i_throttle_users > 0 ) &&
1326 ( p_vod->p_sys->i_connections >= p_vod->p_sys->i_throttle_users ) )
1328 answer->i_status = 503;
1330 answer->p_body = NULL;
1333 if( asprintf( &psz_new, "%d", rand() ) < 0 )
1335 psz_session = psz_new;
1337 p_rtsp = RtspClientNew( p_media, psz_new );
1341 p_rtsp = RtspClientGet( p_media, psz_session );
1344 answer->i_status = 454;
1346 answer->p_body = NULL;
1351 p_rtsp_es = malloc( sizeof(rtsp_client_es_t) );
1354 answer->i_status = 500;
1356 answer->p_body = NULL;
1359 p_rtsp_es->i_port = i_port;
1360 p_rtsp_es->psz_ip = strdup( ip );
1361 p_rtsp_es->p_media_es = p_es;
1362 TAB_APPEND( p_rtsp->i_es, p_rtsp->es, p_rtsp_es );
1364 answer->i_status = 200;
1366 answer->p_body = NULL;
1368 if( p_media->b_raw )
1370 if( strstr( psz_transport, "MP2T/H2221/UDP" ) )
1372 httpd_MsgAdd( answer, "Transport",
1373 "MP2T/H2221/UDP;client_port=%d-%d",
1374 p_rtsp_es->i_port, p_rtsp_es->i_port + 1 );
1376 else if( strstr( psz_transport, "RAW/RAW/UDP" ) )
1378 httpd_MsgAdd( answer, "Transport",
1379 "RAW/RAW/UDP;client_port=%d-%d",
1380 p_rtsp_es->i_port, p_rtsp_es->i_port + 1 );
1385 httpd_MsgAdd( answer, "Transport",
1386 "RTP/AVP/UDP;client_port=%d-%d",
1387 p_rtsp_es->i_port, p_rtsp_es->i_port + 1 );
1390 else /* TODO strstr( psz_transport, "interleaved" ) ) */
1392 answer->i_status = 461;
1394 answer->p_body = NULL;
1397 /* Intentional fall-through on x-playNow option in RTSP request */
1401 case HTTPD_MSG_PLAY:
1402 /* This is kind of a kludge. Should we only support Aggregate
1404 psz_session = httpd_MsgGet( query, "Session" );
1405 msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session );
1407 p_rtsp = RtspClientGet( p_media, psz_session );
1409 psz_position = httpd_MsgGet( query, "Range" );
1410 if( psz_position ) psz_position = strstr( psz_position, "npt=" );
1416 msg_Dbg( p_vod, "seeking request: %s", psz_position );
1419 /* FIXME: npt= is not necessarily formatted as a float */
1420 f_pos = us_strtod( psz_position, &end );
1421 if( end > psz_position )
1423 f_pos /= ((double)(p_media->i_length))/1000 /1000 / 100;
1424 CommandPush( p_vod, RTSP_CMD_TYPE_SEEK, p_media,
1425 psz_session, f_pos, NULL );
1431 answer->i_status = 200;
1433 answer->p_body = NULL;
1437 case HTTPD_MSG_TEARDOWN:
1438 answer->i_status = 200;
1440 answer->p_body = NULL;
1442 psz_session = httpd_MsgGet( query, "Session" );
1443 msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
1445 p_rtsp = RtspClientGet( p_media, psz_session );
1446 if( !p_rtsp ) break;
1448 for( i = 0; i < p_rtsp->i_es; i++ )
1450 if( p_rtsp->es[i]->p_media_es == p_es )
1452 free( p_rtsp->es[i]->psz_ip );
1453 TAB_REMOVE( p_rtsp->i_es, p_rtsp->es, p_rtsp->es[i] );
1460 CommandPush( p_vod, RTSP_CMD_TYPE_STOP, p_media, psz_session,
1462 RtspClientDel( p_media, p_rtsp );
1466 case HTTPD_MSG_PAUSE:
1467 /* This is kind of a kludge. Should we only support Aggregate
1469 psz_session = httpd_MsgGet( query, "Session" );
1470 msg_Dbg( p_vod, "HTTPD_MSG_PAUSE for session: %s", psz_session );
1472 p_rtsp = RtspClientGet( p_media, psz_session );
1473 if( !p_rtsp ) break;
1475 CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, psz_session,
1477 p_rtsp->b_paused = true;
1479 answer->i_status = 200;
1481 answer->p_body = NULL;
1485 return VLC_EGENERIC;
1489 httpd_MsgAdd( answer, "Server", "VLC Server" );
1490 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1491 psz_cseq = httpd_MsgGet( query, "Cseq" );
1493 i_cseq = atoi( psz_cseq );
1496 httpd_MsgAdd( answer, "Cseq", "%d", i_cseq );
1497 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1500 httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
1505 /*****************************************************************************
1507 * FIXME: need to be moved to a common place ?
1508 *****************************************************************************/
1509 static char *SDPGenerate( const vod_media_t *p_media, httpd_client_t *cl )
1512 char *p, *psz_sdp, ip[NI_MAXNUMERICHOST], ipv;
1513 const char *psz_control;
1515 if( httpd_ServerIP( cl, ip ) == NULL )
1518 p = strchr( ip, '%' );
1520 *p = '\0'; /* remove scope if present */
1522 ipv = ( strchr( ip, ':' ) != NULL ) ? '6' : '4';
1524 /* Calculate size */
1525 i_size = sizeof( "v=0\r\n" ) +
1526 sizeof( "o=- * * IN IP4 \r\n" ) + 10 + NI_MAXNUMERICHOST +
1527 sizeof( "s=*\r\n" ) + strlen( p_media->psz_session_name ) +
1528 sizeof( "i=*\r\n" ) + strlen( p_media->psz_session_description ) +
1529 sizeof( "u=*\r\n" ) + strlen( p_media->psz_session_url ) +
1530 sizeof( "e=*\r\n" ) + strlen( p_media->psz_session_email ) +
1531 sizeof( "c=IN IP4 0.0.0.0\r\n" ) + 20 + 10 +
1532 sizeof( "t=0 0\r\n" ) + /* FIXME */
1533 sizeof( "a=tool:"PACKAGE_STRING"\r\n" ) +
1534 sizeof( "a=range:npt=0-1000000000.000\r\n" );
1536 psz_control = (ipv == '6') ? p_media->psz_rtsp_control_v6
1537 : p_media->psz_rtsp_control_v4;
1538 for( i = 0; i < p_media->i_es; i++ )
1540 media_es_t *p_es = p_media->es[i];
1542 i_size += sizeof( "m=**d*o * RTP/AVP *\r\n" ) + 19;
1543 if( p_es->psz_rtpmap )
1545 i_size += sizeof( "a=rtpmap:* *\r\n" ) +
1546 strlen( p_es->psz_rtpmap ) + 9;
1548 if( p_es->psz_fmtp )
1550 i_size += sizeof( "a=fmtp:* *\r\n" ) +
1551 strlen( p_es->psz_fmtp ) + 9;
1554 i_size += (strlen( psz_control ) + strlen( ip ) + 9) * p_media->i_es;
1556 p = psz_sdp = malloc( i_size );
1557 p += sprintf( p, "v=0\r\n" );
1558 p += sprintf( p, "o=- %"PRId64" %d IN IP%c %s\r\n",
1559 p_media->i_sdp_id, p_media->i_sdp_version, ipv, ip );
1560 if( *p_media->psz_session_name )
1561 p += sprintf( p, "s=%s\r\n", p_media->psz_session_name );
1562 if( *p_media->psz_session_description )
1563 p += sprintf( p, "i=%s\r\n", p_media->psz_session_description );
1564 if( *p_media->psz_session_url )
1565 p += sprintf( p, "u=%s\r\n", p_media->psz_session_url );
1566 if( *p_media->psz_session_email )
1567 p += sprintf( p, "e=%s\r\n", p_media->psz_session_email );
1569 p += sprintf( p, "c=IN IP%c %s\r\n", ipv, ipv == '6' ? "::" : "0.0.0.0" );
1570 p += sprintf( p, "t=0 0\r\n" ); /* FIXME */
1571 p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" );
1573 if( p_media->i_length > 0 )
1575 lldiv_t d = lldiv( p_media->i_length / 1000, 1000 );
1576 p += sprintf( p, "a=range:npt=0-%lld.%03u\r\n", d.quot,
1580 for( i = 0; i < p_media->i_es; i++ )
1582 media_es_t *p_es = p_media->es[i];
1584 if( p_es->fmt.i_cat == AUDIO_ES )
1586 p += sprintf( p, "m=audio %d RTP/AVP %d\r\n",
1587 p_es->i_port, p_es->i_payload_type );
1589 else if( p_es->fmt.i_cat == VIDEO_ES )
1591 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
1592 p_es->i_port, p_es->i_payload_type );
1599 if( p_es->psz_rtpmap )
1601 p += sprintf( p, "a=rtpmap:%d %s\r\n", p_es->i_payload_type,
1604 if( p_es->psz_fmtp )
1606 p += sprintf( p, "a=fmtp:%d %s\r\n", p_es->i_payload_type,
1610 p += sprintf( p, psz_control, ip, i );