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>
56 /*****************************************************************************
58 *****************************************************************************/
59 static int Open ( vlc_object_t * );
60 static void Close( vlc_object_t * );
62 #define HOST_TEXT N_( "RTSP host address" )
63 #define HOST_LONGTEXT N_( \
64 "This defines the address, port and path the RTSP VOD server will listen " \
65 "on.\nSyntax is address:port/path. The default is to listen on all "\
66 "interfaces (address 0.0.0.0), on port 554, with no path.\nTo listen " \
67 "only on the local interface, use \"localhost\" as address." )
69 #define THROTLE_TEXT N_( "Maximum number of connections" )
70 #define THROTLE_LONGTEXT N_( "This limits the maximum number of clients " \
71 "that can connect to the RTSP VOD. 0 means no limit." )
73 #define RAWMUX_TEXT N_( "MUX for RAW RTSP transport" )
75 #define SESSION_TIMEOUT_TEXT N_( "Sets the timeout option in the RTSP " \
77 #define SESSION_TIMEOUT_LONGTEXT N_( "Defines what timeout option to add " \
78 "to the RTSP session ID string. Setting it to a negative number removes " \
79 "the timeout option entirely. This is needed by some IPTV STBs (such as " \
80 "those made by HansunTech) which get confused by it. The default is 5." )
83 set_shortname( N_("RTSP VoD" ) );
84 set_description( N_("RTSP VoD server") );
85 set_category( CAT_SOUT );
86 set_subcategory( SUBCAT_SOUT_VOD );
87 set_capability( "vod server", 1 );
88 set_callbacks( Open, Close );
89 add_shortcut( "rtsp" );
90 add_string ( "rtsp-host", NULL, NULL, HOST_TEXT, HOST_LONGTEXT, true );
91 add_string( "rtsp-raw-mux", "ts", NULL, RAWMUX_TEXT,
93 add_integer( "rtsp-throttle-users", 0, NULL, THROTLE_TEXT,
94 THROTLE_LONGTEXT, true );
95 add_integer( "rtsp-session-timeout", 5, NULL, SESSION_TIMEOUT_TEXT,
96 SESSION_TIMEOUT_LONGTEXT, true );
99 /*****************************************************************************
100 * Exported prototypes
101 *****************************************************************************/
103 typedef struct media_es_t media_es_t;
107 media_es_t *p_media_es;
116 int64_t i_last; /* for timeout */
118 bool b_playing; /* is it in "play" state */
119 bool b_paused; /* is it in "pause" state */
122 rtsp_client_es_t **es;
132 httpd_url_t *p_rtsp_url;
134 vod_media_t *p_media;
138 uint8_t i_payload_type;
152 httpd_url_t *p_rtsp_url;
153 char *psz_rtsp_control_v4;
154 char *psz_rtsp_control_v6;
178 rtsp_client_t **rtsp;
181 char *psz_session_name;
182 char *psz_session_description;
183 char *psz_session_url;
184 char *psz_session_email;
191 httpd_host_t *p_rtsp_host;
194 int i_throttle_users;
199 int i_session_timeout;
202 vlc_mutex_t lock_media;
208 block_fifo_t *p_fifo_cmd;
211 /* rtsp delayed command (to avoid deadlock between vlm/httpd) */
214 RTSP_CMD_TYPE_NONE, /* Exit requested */
220 RTSP_CMD_TYPE_REWIND,
221 RTSP_CMD_TYPE_FORWARD,
224 static vod_media_t *MediaNew( vod_t *, const char *, input_item_t * );
225 static void MediaDel( vod_t *, vod_media_t * );
226 static int MediaAddES( vod_t *, vod_media_t *, es_format_t * );
227 static void MediaDelES( vod_t *, vod_media_t *, es_format_t * );
229 static void CommandThread( vlc_object_t *p_this );
230 static void CommandPush( vod_t *, rtsp_cmd_type_t, vod_media_t *, const char *psz_session,
231 double f_arg, const char *psz_arg );
233 static rtsp_client_t *RtspClientNew( vod_media_t *, char * );
234 static rtsp_client_t *RtspClientGet( vod_media_t *, const char * );
235 static void RtspClientDel( vod_media_t *, rtsp_client_t * );
237 static int RtspCallback( httpd_callback_sys_t *, httpd_client_t *,
238 httpd_message_t *, const httpd_message_t * );
239 static int RtspCallbackES( httpd_callback_sys_t *, httpd_client_t *,
240 httpd_message_t *, const httpd_message_t * );
242 static char *SDPGenerate( const vod_media_t *, httpd_client_t *cl );
244 static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
246 static const char hex[16] = "0123456789abcdef";
249 for( i = 0; i < i_data; i++ )
251 s[2*i+0] = hex[(p_data[i]>>4)&0xf];
252 s[2*i+1] = hex[(p_data[i] )&0xf];
257 /*****************************************************************************
258 * Open: Starts the RTSP server module
259 *****************************************************************************/
260 static int Open( vlc_object_t *p_this )
262 vod_t *p_vod = (vod_t *)p_this;
263 vod_sys_t *p_sys = 0;
267 psz_url = config_GetPsz( p_vod, "rtsp-host" );
268 vlc_UrlParse( &url, psz_url, 0 );
271 if( url.i_port <= 0 ) url.i_port = 554;
273 p_vod->p_sys = p_sys = malloc( sizeof( vod_sys_t ) );
274 if( !p_sys ) goto error;
275 p_sys->p_rtsp_host = 0;
277 p_sys->i_session_timeout = var_CreateGetInteger( p_this, "rtsp-session-timeout" );
279 p_sys->i_throttle_users = var_CreateGetInteger( p_this, "rtsp-throttle-users" );
280 msg_Dbg( p_this, "allowing up to %d connections", p_sys->i_throttle_users );
281 p_sys->i_connections = 0;
283 p_sys->psz_raw_mux = var_CreateGetString( p_this, "rtsp-raw-mux" );
286 httpd_HostNew( VLC_OBJECT(p_vod), url.psz_host, url.i_port );
287 if( !p_sys->p_rtsp_host )
289 msg_Err( p_vod, "cannot create RTSP server (%s:%i)",
290 url.psz_host, url.i_port );
294 p_sys->psz_path = strdup( url.psz_path ? url.psz_path : "/" );
295 p_sys->i_port = url.i_port;
297 vlc_UrlClean( &url );
299 vlc_mutex_init( &p_sys->lock_media );
301 TAB_INIT( p_sys->i_media, p_sys->media );
302 p_sys->i_media_id = 0;
304 p_vod->pf_media_new = MediaNew;
305 p_vod->pf_media_del = MediaDel;
306 p_vod->pf_media_add_es = MediaAddES;
307 p_vod->pf_media_del_es = MediaDelES;
309 p_sys->p_fifo_cmd = block_FifoNew();
310 if( vlc_thread_create( p_vod, "rtsp vod thread", CommandThread,
311 VLC_THREAD_PRIORITY_LOW, false ) )
313 msg_Err( p_vod, "cannot spawn rtsp vod thread" );
314 block_FifoRelease( p_sys->p_fifo_cmd );
315 free( p_sys->psz_path );
324 if( p_sys->p_rtsp_host ) httpd_HostDelete( p_sys->p_rtsp_host );
325 free( p_sys->psz_raw_mux );
328 vlc_UrlClean( &url );
333 /*****************************************************************************
335 *****************************************************************************/
336 static void Close( vlc_object_t * p_this )
338 vod_t *p_vod = (vod_t *)p_this;
339 vod_sys_t *p_sys = p_vod->p_sys;
341 /* Stop command thread */
342 vlc_object_kill( p_vod );
343 CommandPush( p_vod, RTSP_CMD_TYPE_NONE, NULL, NULL, 0.0, NULL );
344 vlc_thread_join( p_vod );
346 block_FifoRelease( p_sys->p_fifo_cmd );
348 httpd_HostDelete( p_sys->p_rtsp_host );
349 var_Destroy( p_this, "rtsp-session-timeout" );
350 var_Destroy( p_this, "rtsp-throttle-users" );
351 var_Destroy( p_this, "rtsp-raw-mux" );
353 /* Check VLM is not buggy */
354 if( p_sys->i_media > 0 )
355 msg_Err( p_vod, "rtsp vod leaking %d medias", p_sys->i_media );
356 TAB_CLEAN( p_sys->i_media, p_sys->media );
358 vlc_mutex_destroy( &p_sys->lock_media );
360 free( p_sys->psz_path );
361 free( p_sys->psz_raw_mux );
365 /*****************************************************************************
367 *****************************************************************************/
368 static vod_media_t *MediaNew( vod_t *p_vod, const char *psz_name,
369 input_item_t *p_item )
371 vod_sys_t *p_sys = p_vod->p_sys;
372 vod_media_t *p_media = malloc( sizeof(vod_media_t) );
378 memset( p_media, 0, sizeof(vod_media_t) );
379 p_media->id = p_sys->i_media_id++;
380 TAB_INIT( p_media->i_es, p_media->es );
381 p_media->psz_mux = 0;
382 TAB_INIT( p_media->i_rtsp, p_media->rtsp );
383 p_media->b_raw = false;
385 if( asprintf( &p_media->psz_rtsp_path, "%s%s",
386 p_sys->psz_path, psz_name ) <0 )
388 p_media->p_rtsp_url =
389 httpd_UrlNewUnique( p_sys->p_rtsp_host, p_media->psz_rtsp_path, NULL,
392 if( !p_media->p_rtsp_url )
394 msg_Err( p_vod, "cannot create RTSP url (%s)", p_media->psz_rtsp_path);
395 free( p_media->psz_rtsp_path );
400 msg_Dbg( p_vod, "created RTSP url: %s", p_media->psz_rtsp_path );
402 if( asprintf( &p_media->psz_rtsp_control_v4,
403 "a=control:rtsp://%%s:%d%s/trackID=%%d\r\n",
404 p_sys->i_port, p_media->psz_rtsp_path ) < 0 )
406 if( asprintf( &p_media->psz_rtsp_control_v6,
407 "a=control:rtsp://[%%s]:%d%s/trackID=%%d\r\n",
408 p_sys->i_port, p_media->psz_rtsp_path ) < 0 )
411 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_SETUP,
412 RtspCallback, (void*)p_media );
413 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_DESCRIBE,
414 RtspCallback, (void*)p_media );
415 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_PLAY,
416 RtspCallback, (void*)p_media );
417 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_PAUSE,
418 RtspCallback, (void*)p_media );
419 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_GETPARAMETER,
420 RtspCallback, (void*)p_media );
421 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_TEARDOWN,
422 RtspCallback, (void*)p_media );
424 p_media->p_vod = p_vod;
426 vlc_mutex_lock( &p_sys->lock_media );
427 TAB_APPEND( p_sys->i_media, p_sys->media, p_media );
428 vlc_mutex_unlock( &p_sys->lock_media );
430 vlc_mutex_init( &p_media->lock );
431 p_media->psz_session_name = strdup("");
432 p_media->psz_session_description = strdup("");
433 p_media->psz_session_url = strdup("");
434 p_media->psz_session_email = strdup("");
436 p_media->i_port_audio = 1234;
437 p_media->i_port_video = 1236;
438 p_media->i_port = 1238;
439 p_media->i_payload_type = 96;
441 p_media->i_sdp_id = mdate();
442 p_media->i_sdp_version = 1;
443 p_media->i_length = input_item_GetDuration( p_item );
445 vlc_mutex_lock( &p_item->lock );
446 msg_Dbg( p_vod, "media has %i declared ES", p_item->i_es );
447 for( i = 0; i < p_item->i_es; i++ )
449 MediaAddES( p_vod, p_media, p_item->es[i] );
451 vlc_mutex_unlock( &p_item->lock );
456 static void MediaDel( vod_t *p_vod, vod_media_t *p_media )
458 vod_sys_t *p_sys = p_vod->p_sys;
460 msg_Dbg( p_vod, "deleting media: %s", p_media->psz_rtsp_path );
462 vlc_mutex_lock( &p_sys->lock_media );
463 TAB_REMOVE( p_sys->i_media, p_sys->media, p_media );
464 vlc_mutex_unlock( &p_sys->lock_media );
466 while( p_media->i_rtsp > 0 )
467 RtspClientDel( p_media, p_media->rtsp[0] );
468 TAB_CLEAN( p_media->i_rtsp, p_media->rtsp );
470 httpd_UrlDelete( p_media->p_rtsp_url );
471 free( p_media->psz_rtsp_path );
472 free( p_media->psz_rtsp_control_v6 );
473 free( p_media->psz_rtsp_control_v4 );
475 while( p_media->i_es )
476 MediaDelES( p_vod, p_media, &p_media->es[0]->fmt );
477 TAB_CLEAN( p_media->i_es, p_media->es );
479 vlc_mutex_destroy( &p_media->lock );
481 free( p_media->psz_session_name );
482 free( p_media->psz_session_description );
483 free( p_media->psz_session_url );
484 free( p_media->psz_session_email );
485 free( p_media->psz_mux );
489 static int MediaAddES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt )
491 media_es_t *p_es = malloc( sizeof(media_es_t) );
494 if( !p_es ) return VLC_ENOMEM;
495 memset( p_es, 0, sizeof(media_es_t) );
497 free( p_media->psz_mux );
498 p_media->psz_mux = NULL;
500 /* TODO: update SDP, etc... */
501 if( asprintf( &psz_urlc, "%s/trackID=%d",
502 p_media->psz_rtsp_path, p_media->i_es ) < 0 )
507 msg_Dbg( p_vod, " - ES %4.4s (%s)", (char *)&p_fmt->i_codec, psz_urlc );
509 switch( p_fmt->i_codec )
511 case VLC_FOURCC( 's', '1', '6', 'b' ):
512 if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
514 p_es->i_payload_type = 11;
516 else if( p_fmt->audio.i_channels == 2 &&
517 p_fmt->audio.i_rate == 44100 )
519 p_es->i_payload_type = 10;
523 p_es->i_payload_type = p_media->i_payload_type++;
525 p_es->psz_rtpmap = malloc( strlen( "L16/*/*" ) + 20+1 );
526 sprintf( p_es->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
527 p_fmt->audio.i_channels );
529 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
530 p_es->i_payload_type = p_media->i_payload_type++;
531 p_es->psz_rtpmap = malloc( strlen( "L8/*/*" ) + 20+1 );
532 sprintf( p_es->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
533 p_fmt->audio.i_channels );
535 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
536 case VLC_FOURCC( 'm', 'p', '3', ' ' ):
537 p_es->i_payload_type = 14;
538 p_es->psz_rtpmap = strdup( "MPA/90000" );
540 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
541 p_es->i_payload_type = 32;
542 p_es->psz_rtpmap = strdup( "MPV/90000" );
544 case VLC_FOURCC( 'a', '5', '2', ' ' ):
545 p_es->i_payload_type = p_media->i_payload_type++;
546 asprintf( &p_es->psz_rtpmap, "ac3/%d", p_fmt->audio.i_rate );
548 case VLC_FOURCC( 'H', '2', '6', '3' ):
549 p_es->i_payload_type = p_media->i_payload_type++;
550 p_es->psz_rtpmap = strdup( "H263-1998/90000" );
552 case VLC_FOURCC( 'h', '2', '6', '4' ):
553 p_es->i_payload_type = p_media->i_payload_type++;
554 p_es->psz_rtpmap = strdup( "H264/90000" );
555 p_es->psz_fmtp = NULL;
556 /* FIXME AAAAAAAAAAAARRRRRRRRGGGG copied from stream_out/rtp.c */
557 if( p_fmt->i_extra > 0 )
559 uint8_t *p_buffer = p_fmt->p_extra;
560 int i_buffer = p_fmt->i_extra;
561 char *p_64_sps = NULL;
562 char *p_64_pps = NULL;
565 while( i_buffer > 4 &&
566 p_buffer[0] == 0 && p_buffer[1] == 0 &&
567 p_buffer[2] == 0 && p_buffer[3] == 1 )
569 const int i_nal_type = p_buffer[4]&0x1f;
574 for( i_offset = 4; i_offset+3 < i_buffer ; i_offset++)
576 if( p_buffer[i_offset] == 0 && p_buffer[i_offset+1] == 0 && p_buffer[i_offset+2] == 0 && p_buffer[i_offset+3] == 1 )
578 /* we found another startcode */
583 if( i_nal_type == 7 )
585 p_64_sps = vlc_b64_encode_binary( &p_buffer[4], i_size - 4 );
586 sprintf_hexa( hexa, &p_buffer[5], 3 );
588 else if( i_nal_type == 8 )
590 p_64_pps = vlc_b64_encode_binary( &p_buffer[4], i_size - 4 );
596 if( p_64_sps && p_64_pps )
598 if( asprintf( &p_es->psz_fmtp,
599 "packetization-mode=1;profile-level-id=%s;"
600 "sprop-parameter-sets=%s,%s;", hexa, p_64_sps,
613 if( !p_es->psz_fmtp )
614 p_es->psz_fmtp = strdup( "packetization-mode=1" );
616 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
617 p_es->i_payload_type = p_media->i_payload_type++;
618 p_es->psz_rtpmap = strdup( "MP4V-ES/90000" );
619 if( p_fmt->i_extra > 0 )
621 char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
622 p_es->psz_fmtp = malloc( 100 + 2 * p_fmt->i_extra );
623 sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
624 sprintf( p_es->psz_fmtp,
625 "profile-level-id=3; config=%s;", p_hexa );
629 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
630 p_es->i_payload_type = p_media->i_payload_type++;
631 p_es->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
632 sprintf( p_es->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
633 if( p_fmt->i_extra > 0 )
635 char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
636 p_es->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
637 sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
638 sprintf( p_es->psz_fmtp,
639 "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
640 "config=%s; SizeLength=13;IndexLength=3; "
641 "IndexDeltaLength=3; Profile=1;", p_hexa );
645 case VLC_FOURCC( 'm', 'p', '2', 't' ):
646 p_media->psz_mux = strdup("ts");
647 p_es->i_payload_type = 33;
648 p_es->psz_rtpmap = strdup( "MP2T/90000" );
650 case VLC_FOURCC( 'm', 'p', '2', 'p' ):
651 p_media->psz_mux = strdup("ps");
652 p_es->i_payload_type = p_media->i_payload_type++;
653 p_es->psz_rtpmap = strdup( "MP2P/90000" );
655 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
656 p_es->i_payload_type = p_media->i_payload_type++;
657 p_es->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
658 "AMR/8000/2" : "AMR/8000" );
659 p_es->psz_fmtp = strdup( "octet-align=1" );
661 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
662 p_es->i_payload_type = p_media->i_payload_type++;
663 p_es->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
664 "AMR-WB/16000/2" : "AMR-WB/16000" );
665 p_es->psz_fmtp = strdup( "octet-align=1" );
669 msg_Err( p_vod, "cannot add this stream (unsupported "
670 "codec: %4.4s)", (char*)&p_fmt->i_codec );
677 httpd_UrlNewUnique( p_vod->p_sys->p_rtsp_host, psz_urlc, NULL, NULL,
680 if( !p_es->p_rtsp_url )
682 msg_Err( p_vod, "cannot create RTSP url (%s)", psz_urlc );
689 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_SETUP,
690 RtspCallbackES, (void*)p_es );
691 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_TEARDOWN,
692 RtspCallbackES, (void*)p_es );
693 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PLAY,
694 RtspCallbackES, (void*)p_es );
695 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PAUSE,
696 RtspCallbackES, (void*)p_es );
698 es_format_Copy( &p_es->fmt, p_fmt );
700 p_es->p_media = p_media;
703 /* Choose the port */
704 if( p_fmt->i_cat == AUDIO_ES && p_media->i_port_audio > 0 )
706 p_es->i_port = p_media->i_port_audio;
707 p_media->i_port_audio = 0;
709 else if( p_fmt->i_cat == VIDEO_ES && p_media->i_port_video > 0 )
711 p_es->i_port = p_media->i_port_video;
712 p_media->i_port_video = 0;
714 while( !p_es->i_port )
716 if( p_media->i_port != p_media->i_port_audio &&
717 p_media->i_port != p_media->i_port_video )
719 p_es->i_port = p_media->i_port;
720 p_media->i_port += 2;
723 p_media->i_port += 2;
730 vlc_mutex_lock( &p_media->lock );
731 TAB_APPEND( p_media->i_es, p_media->es, p_es );
732 vlc_mutex_unlock( &p_media->lock );
734 p_media->i_sdp_version++;
739 static void MediaDelES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt)
741 media_es_t *p_es = NULL;
745 for( i = 0; i < p_media->i_es; i++ )
747 if( p_media->es[i]->fmt.i_cat == p_fmt->i_cat &&
748 p_media->es[i]->fmt.i_codec == p_fmt->i_codec &&
749 p_media->es[i]->fmt.i_id == p_fmt->i_id )
751 p_es = p_media->es[i];
756 msg_Dbg( p_vod, " - Removing ES %4.4s", (char *)&p_fmt->i_codec );
758 vlc_mutex_lock( &p_media->lock );
759 TAB_REMOVE( p_media->i_es, p_media->es, p_es );
760 vlc_mutex_unlock( &p_media->lock );
762 free( p_es->psz_rtpmap );
763 free( p_es->psz_fmtp );
764 p_media->i_sdp_version++;
766 if( p_es->p_rtsp_url ) httpd_UrlDelete( p_es->p_rtsp_url );
767 es_format_Clean( &p_es->fmt );
776 //vod_media_t *p_media;
782 static void CommandPush( vod_t *p_vod, rtsp_cmd_type_t i_type, vod_media_t *p_media, const char *psz_session,
783 double f_arg, const char *psz_arg )
788 memset( &cmd, 0, sizeof(cmd) );
791 cmd.i_media_id = p_media->id;
793 cmd.psz_session = strdup(psz_session);
796 cmd.psz_arg = strdup(psz_arg);
798 p_cmd = block_New( p_vod, sizeof(rtsp_cmd_t) );
799 memcpy( p_cmd->p_buffer, &cmd, sizeof(cmd) );
801 block_FifoPut( p_vod->p_sys->p_fifo_cmd, p_cmd );
804 static void CommandThread( vlc_object_t *p_this )
806 vod_t *p_vod = (vod_t*)p_this;
807 vod_sys_t *p_sys = p_vod->p_sys;
809 while( vlc_object_alive (p_vod) )
811 block_t *p_block_cmd = block_FifoGet( p_sys->p_fifo_cmd );
813 vod_media_t *p_media = NULL;
819 memcpy( &cmd, p_block_cmd->p_buffer, sizeof(cmd) );
820 block_Release( p_block_cmd );
822 if( cmd.i_type == RTSP_CMD_TYPE_NONE )
826 vlc_mutex_lock( &p_sys->lock_media );
827 for( i = 0; i < p_sys->i_media; i++ )
829 if( p_sys->media[i]->id == cmd.i_media_id )
832 if( i >= p_sys->i_media )
834 p_media = p_sys->media[i];
838 case RTSP_CMD_TYPE_PLAY:
839 vod_MediaControl( p_vod, p_media, cmd.psz_session,
840 VOD_MEDIA_PLAY, cmd.psz_arg );
842 case RTSP_CMD_TYPE_PAUSE:
843 vod_MediaControl( p_vod, p_media, cmd.psz_session,
847 case RTSP_CMD_TYPE_STOP:
848 vod_MediaControl( p_vod, p_media, cmd.psz_session, VOD_MEDIA_STOP );
851 case RTSP_CMD_TYPE_SEEK:
852 vod_MediaControl( p_vod, p_media, cmd.psz_session,
853 VOD_MEDIA_SEEK, cmd.f_arg );
856 case RTSP_CMD_TYPE_REWIND:
857 vod_MediaControl( p_vod, p_media, cmd.psz_session,
858 VOD_MEDIA_REWIND, cmd.f_arg );
861 case RTSP_CMD_TYPE_FORWARD:
862 vod_MediaControl( p_vod, p_media, cmd.psz_session,
863 VOD_MEDIA_FORWARD, cmd.f_arg );
871 vlc_mutex_unlock( &p_sys->lock_media );
872 free( cmd.psz_session );
877 /****************************************************************************
878 * RTSP server implementation
879 ****************************************************************************/
880 static rtsp_client_t *RtspClientNew( vod_media_t *p_media, char *psz_session )
882 rtsp_client_t *p_rtsp = malloc( sizeof(rtsp_client_t) );
884 if( !p_rtsp ) return NULL;
885 memset( p_rtsp, 0, sizeof(rtsp_client_t) );
888 p_rtsp->psz_session = psz_session;
889 TAB_APPEND( p_media->i_rtsp, p_media->rtsp, p_rtsp );
891 p_media->p_vod->p_sys->i_connections++;
892 msg_Dbg( p_media->p_vod, "new session: %s, connections: %d",
893 psz_session, p_media->p_vod->p_sys->i_throttle_users );
898 static rtsp_client_t *RtspClientGet( vod_media_t *p_media, const char *psz_session )
902 for( i = 0; psz_session && i < p_media->i_rtsp; i++ )
904 if( !strcmp( p_media->rtsp[i]->psz_session, psz_session ) )
905 return p_media->rtsp[i];
911 static void RtspClientDel( vod_media_t *p_media, rtsp_client_t *p_rtsp )
913 p_media->p_vod->p_sys->i_connections--;
914 msg_Dbg( p_media->p_vod, "closing session: %s, connections: %d",
915 p_rtsp->psz_session, p_media->p_vod->p_sys->i_throttle_users );
917 while( p_rtsp->i_es-- )
919 free( p_rtsp->es[p_rtsp->i_es]->psz_ip );
920 free( p_rtsp->es[p_rtsp->i_es] );
921 if( !p_rtsp->i_es ) free( p_rtsp->es );
924 TAB_REMOVE( p_media->i_rtsp, p_media->rtsp, p_rtsp );
926 free( p_rtsp->psz_session );
931 static float ParseNPT (const char *str)
933 locale_t loc = newlocale (LC_NUMERIC_MASK, "C", NULL);
934 locale_t oldloc = uselocale (loc);
938 if (sscanf (str, "%u:%u:%f", &hour, &min, &sec) == 3)
939 sec += ((hour * 60) + min) * 60;
941 if (sscanf (str, "%f", &sec) != 1)
944 if (loc != (locale_t)0)
953 static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
954 httpd_message_t *answer, const httpd_message_t *query )
956 vod_media_t *p_media = (vod_media_t*)p_args;
957 vod_t *p_vod = p_media->p_vod;
958 const char *psz_transport = NULL;
959 const char *psz_playnow = NULL; /* support option: x-playNow */
960 const char *psz_session = NULL;
961 const char *psz_cseq = NULL;
962 rtsp_client_t *p_rtsp;
966 if( answer == NULL || query == NULL ) return VLC_SUCCESS;
968 msg_Dbg( p_vod, "RtspCallback query: type=%d", query->i_type );
970 answer->i_proto = HTTPD_PROTO_RTSP;
971 answer->i_version = query->i_version;
972 answer->i_type = HTTPD_MSG_ANSWER;
974 answer->p_body = NULL;
976 switch( query->i_type )
978 case HTTPD_MSG_SETUP:
980 psz_playnow = httpd_MsgGet( query, "x-playNow" );
981 psz_transport = httpd_MsgGet( query, "Transport" );
982 if( psz_transport == NULL )
984 answer->i_status = 400;
987 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: transport=%s", psz_transport );
989 if( strstr( psz_transport, "unicast" ) &&
990 strstr( psz_transport, "client_port=" ) )
992 rtsp_client_t *p_rtsp = NULL;
993 char ip[NI_MAXNUMERICHOST];
994 i_port = atoi( strstr( psz_transport, "client_port=" ) +
995 strlen("client_port=") );
997 if( strstr( psz_transport, "MP2T/H2221/UDP" ) ||
998 strstr( psz_transport, "RAW/RAW/UDP" ) )
1000 free( p_media->psz_mux );
1001 p_media->psz_mux = NULL;
1002 p_media->psz_mux = strdup( p_vod->p_sys->psz_raw_mux );
1003 p_media->b_raw = true;
1006 if( httpd_ClientIP( cl, ip ) == NULL )
1008 answer->i_status = 500;
1010 answer->p_body = NULL;
1014 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: unicast ip=%s port=%d",
1017 psz_session = httpd_MsgGet( query, "Session" );
1018 if( !psz_session || !*psz_session )
1021 if( ( p_vod->p_sys->i_throttle_users > 0 ) &&
1022 ( p_vod->p_sys->i_connections >= p_vod->p_sys->i_throttle_users ) )
1024 answer->i_status = 503;
1026 answer->p_body = NULL;
1029 if( asprintf( &psz_new, "%d", rand() ) < 0 )
1031 psz_session = psz_new;
1033 p_rtsp = RtspClientNew( p_media, psz_new );
1036 answer->i_status = 454;
1038 answer->p_body = NULL;
1044 p_rtsp = RtspClientGet( p_media, psz_session );
1047 answer->i_status = 454;
1049 answer->p_body = NULL;
1054 answer->i_status = 200;
1056 answer->p_body = NULL;
1058 if( p_media->b_raw )
1060 if( strstr( psz_transport, "MP2T/H2221/UDP" ) )
1062 httpd_MsgAdd( answer, "Transport",
1063 "MP2T/H2221/UDP;unicast;client_port=%d-%d",
1064 i_port, i_port + 1 );
1066 else if( strstr( psz_transport, "RAW/RAW/UDP" ) )
1068 httpd_MsgAdd( answer, "Transport",
1069 "RAW/RAW/UDP;unicast;client_port=%d-%d",
1070 i_port, i_port + 1 );
1074 httpd_MsgAdd( answer, "Transport",
1075 "RTP/AVP/UDP;unicast;client_port=%d-%d",
1076 i_port, i_port + 1 );
1078 else /* TODO strstr( psz_transport, "interleaved" ) ) */
1080 answer->i_status = 461;
1082 answer->p_body = NULL;
1085 /* Intentional fall-through on x-playNow option in RTSP request */
1090 case HTTPD_MSG_PLAY:
1092 char *psz_output, ip[NI_MAXNUMERICHOST];
1093 int i, i_port_audio = 0, i_port_video = 0;
1095 /* for now only multicast so easy */
1098 answer->i_status = 200;
1100 answer->p_body = NULL;
1104 psz_session = httpd_MsgGet( query, "Session" );
1105 msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session );
1107 p_rtsp = RtspClientGet( p_media, psz_session );
1110 answer->i_status = 500;
1112 answer->p_body = NULL;
1116 if( p_rtsp->b_playing )
1118 const char *psz_position = httpd_MsgGet( query, "Range" );
1119 const char *psz_scale = httpd_MsgGet( query, "Scale" );
1121 psz_position = strstr( psz_position, "npt=" );
1122 if( psz_position && !psz_scale )
1124 double f_pos = ParseNPT (psz_position + 4);
1125 msg_Dbg( p_vod, "seeking request: %s", psz_position );
1126 f_pos /= ((double)(p_media->i_length))/1000 /1000 / 100;
1127 CommandPush( p_vod, RTSP_CMD_TYPE_SEEK, p_media,
1128 psz_session, f_pos, NULL );
1133 double f_scale = 0.0;
1136 f_scale = us_strtod( psz_scale, &end );
1137 if( end > psz_scale )
1139 f_scale = (f_scale * 30.0);
1140 if( psz_scale[0] == '-' ) /* rewind */
1142 msg_Dbg( p_vod, "rewind request: %s", psz_scale );
1143 CommandPush( p_vod, RTSP_CMD_TYPE_REWIND, p_media,
1144 psz_session, f_scale, NULL );
1146 else if(psz_scale[0] != '1' ) /* fast-forward */
1148 msg_Dbg( p_vod, "fastforward request: %s",
1150 CommandPush( p_vod, RTSP_CMD_TYPE_FORWARD, p_media,
1151 psz_session, f_scale, NULL );
1154 if( p_rtsp->b_paused == true )
1156 p_rtsp->b_paused = false;
1157 CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media,
1158 psz_session, 0, NULL );
1165 if( p_rtsp->b_playing && p_rtsp->b_paused )
1167 CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media,
1168 psz_session, 0, NULL );
1169 p_rtsp->b_paused = false;
1172 else if( p_rtsp->b_playing ) break;
1174 if( httpd_ClientIP( cl, ip ) == NULL ) break;
1176 p_rtsp->b_playing = true;
1178 /* FIXME for != 1 video and 1 audio */
1179 for( i = 0; i < p_rtsp->i_es; i++ )
1181 if( p_rtsp->es[i]->p_media_es->fmt.i_cat == AUDIO_ES )
1182 i_port_audio = p_rtsp->es[i]->i_port;
1183 if( p_rtsp->es[i]->p_media_es->fmt.i_cat == VIDEO_ES )
1184 i_port_video = p_rtsp->es[i]->i_port;
1187 if( p_media->psz_mux )
1189 if( p_media->b_raw )
1191 if( asprintf( &psz_output,
1192 "std{access=udp,dst=%s:%i,mux=%s}",
1193 ip, i_port, p_media->psz_mux ) < 0 )
1198 if( asprintf( &psz_output,
1199 "rtp{dst=%s,port=%i,mux=%s}",
1200 ip, i_port_video, p_media->psz_mux ) < 0 )
1206 if( asprintf( &psz_output,
1207 "rtp{dst=%s,port-video=%i,port-audio=%i}",
1208 ip, i_port_video, i_port_audio ) < 0 )
1212 CommandPush( p_vod, RTSP_CMD_TYPE_PLAY, p_media, psz_session,
1218 case HTTPD_MSG_DESCRIBE:
1221 SDPGenerate( p_media, cl );
1223 if( psz_sdp != NULL )
1225 answer->i_status = 200;
1226 httpd_MsgAdd( answer, "Content-type", "%s",
1227 "application/sdp" );
1229 answer->p_body = (uint8_t *)psz_sdp;
1230 answer->i_body = strlen( psz_sdp );
1234 answer->i_status = 500;
1235 answer->p_body = NULL;
1241 case HTTPD_MSG_PAUSE:
1242 psz_session = httpd_MsgGet( query, "Session" );
1243 msg_Dbg( p_vod, "HTTPD_MSG_PAUSE for session: %s", psz_session );
1245 p_rtsp = RtspClientGet( p_media, psz_session );
1246 if( !p_rtsp ) break;
1248 CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, psz_session,
1250 p_rtsp->b_paused = true;
1252 answer->i_status = 200;
1254 answer->p_body = NULL;
1257 case HTTPD_MSG_TEARDOWN:
1258 /* for now only multicast so easy again */
1259 answer->i_status = 200;
1261 answer->p_body = NULL;
1263 psz_session = httpd_MsgGet( query, "Session" );
1264 msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
1266 p_rtsp = RtspClientGet( p_media, psz_session );
1267 if( !p_rtsp ) break;
1269 CommandPush( p_vod, RTSP_CMD_TYPE_STOP, p_media, psz_session,
1271 RtspClientDel( p_media, p_rtsp );
1274 case HTTPD_MSG_GETPARAMETER:
1275 answer->i_status = 200;
1277 answer->p_body = NULL;
1281 return VLC_EGENERIC;
1284 httpd_MsgAdd( answer, "Server", "VLC Server" );
1285 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1286 psz_cseq = httpd_MsgGet( query, "Cseq" );
1287 psz_cseq ? i_cseq = atoi( psz_cseq ) : 0;
1288 httpd_MsgAdd( answer, "CSeq", "%d", i_cseq );
1289 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1293 if( p_media->p_vod->p_sys->i_session_timeout >= 0 )
1294 httpd_MsgAdd( answer, "Session", "%s;timeout=%i", psz_session,
1295 p_media->p_vod->p_sys->i_session_timeout );
1297 httpd_MsgAdd( answer, "Session", "%s", psz_session );
1303 static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl,
1304 httpd_message_t *answer,
1305 const httpd_message_t *query )
1307 media_es_t *p_es = (media_es_t*)p_args;
1308 vod_media_t *p_media = p_es->p_media;
1309 vod_t *p_vod = p_media->p_vod;
1310 rtsp_client_t *p_rtsp = NULL;
1311 const char *psz_transport = NULL;
1312 const char *psz_playnow = NULL; /* support option: x-playNow */
1313 const char *psz_session = NULL;
1314 const char *psz_position = NULL;
1315 const char *psz_cseq = NULL;
1319 if( answer == NULL || query == NULL ) return VLC_SUCCESS;
1321 msg_Dbg( p_vod, "RtspCallback query: type=%d", query->i_type );
1323 answer->i_proto = HTTPD_PROTO_RTSP;
1324 answer->i_version = query->i_version;
1325 answer->i_type = HTTPD_MSG_ANSWER;
1327 answer->p_body = NULL;
1329 switch( query->i_type )
1331 case HTTPD_MSG_SETUP:
1332 psz_playnow = httpd_MsgGet( query, "x-playNow" );
1333 psz_transport = httpd_MsgGet( query, "Transport" );
1335 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: transport=%s", psz_transport );
1337 if( strstr( psz_transport, "unicast" ) &&
1338 strstr( psz_transport, "client_port=" ) )
1340 rtsp_client_t *p_rtsp = NULL;
1341 rtsp_client_es_t *p_rtsp_es = NULL;
1342 char ip[NI_MAXNUMERICHOST];
1343 int i_port = atoi( strstr( psz_transport, "client_port=" ) +
1344 strlen("client_port=") );
1346 if( httpd_ClientIP( cl, ip ) == NULL )
1348 answer->i_status = 500;
1350 answer->p_body = NULL;
1354 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: unicast ip=%s port=%d",
1357 psz_session = httpd_MsgGet( query, "Session" );
1358 if( !psz_session || !*psz_session )
1361 if( ( p_vod->p_sys->i_throttle_users > 0 ) &&
1362 ( p_vod->p_sys->i_connections >= p_vod->p_sys->i_throttle_users ) )
1364 answer->i_status = 503;
1366 answer->p_body = NULL;
1369 if( asprintf( &psz_new, "%d", rand() ) < 0 )
1371 psz_session = psz_new;
1373 p_rtsp = RtspClientNew( p_media, psz_new );
1377 p_rtsp = RtspClientGet( p_media, psz_session );
1380 answer->i_status = 454;
1382 answer->p_body = NULL;
1387 p_rtsp_es = malloc( sizeof(rtsp_client_es_t) );
1390 answer->i_status = 500;
1392 answer->p_body = NULL;
1395 p_rtsp_es->i_port = i_port;
1396 p_rtsp_es->psz_ip = strdup( ip );
1397 p_rtsp_es->p_media_es = p_es;
1398 TAB_APPEND( p_rtsp->i_es, p_rtsp->es, p_rtsp_es );
1400 answer->i_status = 200;
1402 answer->p_body = NULL;
1404 if( p_media->b_raw )
1406 if( strstr( psz_transport, "MP2T/H2221/UDP" ) )
1408 httpd_MsgAdd( answer, "Transport",
1409 "MP2T/H2221/UDP;client_port=%d-%d",
1410 p_rtsp_es->i_port, p_rtsp_es->i_port + 1 );
1412 else if( strstr( psz_transport, "RAW/RAW/UDP" ) )
1414 httpd_MsgAdd( answer, "Transport",
1415 "RAW/RAW/UDP;client_port=%d-%d",
1416 p_rtsp_es->i_port, p_rtsp_es->i_port + 1 );
1421 httpd_MsgAdd( answer, "Transport",
1422 "RTP/AVP/UDP;client_port=%d-%d",
1423 p_rtsp_es->i_port, p_rtsp_es->i_port + 1 );
1426 else /* TODO strstr( psz_transport, "interleaved" ) ) */
1428 answer->i_status = 461;
1430 answer->p_body = NULL;
1433 /* Intentional fall-through on x-playNow option in RTSP request */
1437 case HTTPD_MSG_PLAY:
1438 /* This is kind of a kludge. Should we only support Aggregate
1440 psz_session = httpd_MsgGet( query, "Session" );
1441 msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session );
1443 p_rtsp = RtspClientGet( p_media, psz_session );
1445 psz_position = httpd_MsgGet( query, "Range" );
1446 if( psz_position ) psz_position = strstr( psz_position, "npt=" );
1449 double f_pos = ParseNPT (psz_position + 4);
1450 msg_Dbg( p_vod, "seeking request: %s", psz_position );
1451 f_pos /= ((double)(p_media->i_length))/1000 /1000 / 100;
1452 CommandPush( p_vod, RTSP_CMD_TYPE_SEEK, p_media,
1453 psz_session, f_pos, NULL );
1458 answer->i_status = 200;
1460 answer->p_body = NULL;
1464 case HTTPD_MSG_TEARDOWN:
1465 answer->i_status = 200;
1467 answer->p_body = NULL;
1469 psz_session = httpd_MsgGet( query, "Session" );
1470 msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
1472 p_rtsp = RtspClientGet( p_media, psz_session );
1473 if( !p_rtsp ) break;
1475 for( i = 0; i < p_rtsp->i_es; i++ )
1477 if( p_rtsp->es[i]->p_media_es == p_es )
1479 free( p_rtsp->es[i]->psz_ip );
1480 TAB_REMOVE( p_rtsp->i_es, p_rtsp->es, p_rtsp->es[i] );
1487 CommandPush( p_vod, RTSP_CMD_TYPE_STOP, p_media, psz_session,
1489 RtspClientDel( p_media, p_rtsp );
1493 case HTTPD_MSG_PAUSE:
1494 /* This is kind of a kludge. Should we only support Aggregate
1496 psz_session = httpd_MsgGet( query, "Session" );
1497 msg_Dbg( p_vod, "HTTPD_MSG_PAUSE for session: %s", psz_session );
1499 p_rtsp = RtspClientGet( p_media, psz_session );
1500 if( !p_rtsp ) break;
1502 CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, psz_session,
1504 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 Server" );
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 )
1539 char *p, *psz_sdp, ip[NI_MAXNUMERICHOST], ipv;
1540 const char *psz_control;
1542 if( httpd_ServerIP( cl, ip ) == NULL )
1545 p = strchr( ip, '%' );
1547 *p = '\0'; /* remove scope if present */
1549 ipv = ( strchr( ip, ':' ) != NULL ) ? '6' : '4';
1551 /* Calculate size */
1552 i_size = sizeof( "v=0\r\n" ) +
1553 sizeof( "o=- * * IN IP4 \r\n" ) + 10 + NI_MAXNUMERICHOST +
1554 sizeof( "s=*\r\n" ) + strlen( p_media->psz_session_name ) +
1555 sizeof( "i=*\r\n" ) + strlen( p_media->psz_session_description ) +
1556 sizeof( "u=*\r\n" ) + strlen( p_media->psz_session_url ) +
1557 sizeof( "e=*\r\n" ) + strlen( p_media->psz_session_email ) +
1558 sizeof( "c=IN IP4 0.0.0.0\r\n" ) + 20 + 10 +
1559 sizeof( "t=0 0\r\n" ) + /* FIXME */
1560 sizeof( "a=tool:"PACKAGE_STRING"\r\n" ) +
1561 sizeof( "a=range:npt=0-1000000000.000\r\n" );
1563 psz_control = (ipv == '6') ? p_media->psz_rtsp_control_v6
1564 : p_media->psz_rtsp_control_v4;
1565 for( i = 0; i < p_media->i_es; i++ )
1567 media_es_t *p_es = p_media->es[i];
1569 i_size += sizeof( "m=**d*o * RTP/AVP *\r\n" ) + 19;
1570 if( p_es->psz_rtpmap )
1572 i_size += sizeof( "a=rtpmap:* *\r\n" ) +
1573 strlen( p_es->psz_rtpmap ) + 9;
1575 if( p_es->psz_fmtp )
1577 i_size += sizeof( "a=fmtp:* *\r\n" ) +
1578 strlen( p_es->psz_fmtp ) + 9;
1581 i_size += (strlen( psz_control ) + strlen( ip ) + 9) * p_media->i_es;
1583 p = psz_sdp = malloc( i_size );
1584 p += sprintf( p, "v=0\r\n" );
1585 p += sprintf( p, "o=- %"PRId64" %d IN IP%c %s\r\n",
1586 p_media->i_sdp_id, p_media->i_sdp_version, ipv, ip );
1587 if( *p_media->psz_session_name )
1588 p += sprintf( p, "s=%s\r\n", p_media->psz_session_name );
1589 if( *p_media->psz_session_description )
1590 p += sprintf( p, "i=%s\r\n", p_media->psz_session_description );
1591 if( *p_media->psz_session_url )
1592 p += sprintf( p, "u=%s\r\n", p_media->psz_session_url );
1593 if( *p_media->psz_session_email )
1594 p += sprintf( p, "e=%s\r\n", p_media->psz_session_email );
1596 p += sprintf( p, "c=IN IP%c %s\r\n", ipv, ipv == '6' ? "::" : "0.0.0.0" );
1597 p += sprintf( p, "t=0 0\r\n" ); /* FIXME */
1598 p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" );
1600 if( p_media->i_length > 0 )
1602 lldiv_t d = lldiv( p_media->i_length / 1000, 1000 );
1603 p += sprintf( p, "a=range:npt=0-%lld.%03u\r\n", d.quot,
1607 for( i = 0; i < p_media->i_es; i++ )
1609 media_es_t *p_es = p_media->es[i];
1611 if( p_es->fmt.i_cat == AUDIO_ES )
1613 p += sprintf( p, "m=audio %d RTP/AVP %d\r\n",
1614 p_es->i_port, p_es->i_payload_type );
1616 else if( p_es->fmt.i_cat == VIDEO_ES )
1618 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
1619 p_es->i_port, p_es->i_payload_type );
1626 if( p_es->psz_rtpmap )
1628 p += sprintf( p, "a=rtpmap:%d %s\r\n", p_es->i_payload_type,
1631 if( p_es->psz_fmtp )
1633 p += sprintf( p, "a=fmtp:%d %s\r\n", p_es->i_payload_type,
1637 p += sprintf( p, psz_control, ip, i );