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 httpd_UrlDelete( p_media->p_rtsp_url );
407 free( p_media->psz_rtsp_path );
411 if( asprintf( &p_media->psz_rtsp_control_v6,
412 "a=control:rtsp://[%%s]:%d%s/trackID=%%d\r\n",
413 p_sys->i_port, p_media->psz_rtsp_path ) < 0 )
415 httpd_UrlDelete( p_media->p_rtsp_url );
416 free( p_media->psz_rtsp_path );
421 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_SETUP,
422 RtspCallback, (void*)p_media );
423 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_DESCRIBE,
424 RtspCallback, (void*)p_media );
425 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_PLAY,
426 RtspCallback, (void*)p_media );
427 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_PAUSE,
428 RtspCallback, (void*)p_media );
429 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_GETPARAMETER,
430 RtspCallback, (void*)p_media );
431 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_TEARDOWN,
432 RtspCallback, (void*)p_media );
434 p_media->p_vod = p_vod;
436 vlc_mutex_lock( &p_sys->lock_media );
437 TAB_APPEND( p_sys->i_media, p_sys->media, p_media );
438 vlc_mutex_unlock( &p_sys->lock_media );
440 vlc_mutex_init( &p_media->lock );
441 p_media->psz_session_name = strdup("");
442 p_media->psz_session_description = strdup("");
443 p_media->psz_session_url = strdup("");
444 p_media->psz_session_email = strdup("");
446 p_media->i_port_audio = 1234;
447 p_media->i_port_video = 1236;
448 p_media->i_port = 1238;
449 p_media->i_payload_type = 96;
451 p_media->i_sdp_id = mdate();
452 p_media->i_sdp_version = 1;
453 p_media->i_length = input_item_GetDuration( p_item );
455 vlc_mutex_lock( &p_item->lock );
456 msg_Dbg( p_vod, "media has %i declared ES", p_item->i_es );
457 for( i = 0; i < p_item->i_es; i++ )
459 MediaAddES( p_vod, p_media, p_item->es[i] );
461 vlc_mutex_unlock( &p_item->lock );
466 static void MediaDel( vod_t *p_vod, vod_media_t *p_media )
468 vod_sys_t *p_sys = p_vod->p_sys;
470 msg_Dbg( p_vod, "deleting media: %s", p_media->psz_rtsp_path );
472 vlc_mutex_lock( &p_sys->lock_media );
473 TAB_REMOVE( p_sys->i_media, p_sys->media, p_media );
474 vlc_mutex_unlock( &p_sys->lock_media );
476 while( p_media->i_rtsp > 0 )
477 RtspClientDel( p_media, p_media->rtsp[0] );
478 TAB_CLEAN( p_media->i_rtsp, p_media->rtsp );
480 httpd_UrlDelete( p_media->p_rtsp_url );
481 free( p_media->psz_rtsp_path );
482 free( p_media->psz_rtsp_control_v6 );
483 free( p_media->psz_rtsp_control_v4 );
485 while( p_media->i_es )
486 MediaDelES( p_vod, p_media, &p_media->es[0]->fmt );
487 TAB_CLEAN( p_media->i_es, p_media->es );
489 vlc_mutex_destroy( &p_media->lock );
491 free( p_media->psz_session_name );
492 free( p_media->psz_session_description );
493 free( p_media->psz_session_url );
494 free( p_media->psz_session_email );
495 free( p_media->psz_mux );
499 static int MediaAddES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt )
501 media_es_t *p_es = malloc( sizeof(media_es_t) );
504 if( !p_es ) return VLC_ENOMEM;
505 memset( p_es, 0, sizeof(media_es_t) );
507 free( p_media->psz_mux );
508 p_media->psz_mux = NULL;
510 /* TODO: update SDP, etc... */
511 if( asprintf( &psz_urlc, "%s/trackID=%d",
512 p_media->psz_rtsp_path, p_media->i_es ) < 0 )
517 msg_Dbg( p_vod, " - ES %4.4s (%s)", (char *)&p_fmt->i_codec, psz_urlc );
519 switch( p_fmt->i_codec )
521 case VLC_FOURCC( 's', '1', '6', 'b' ):
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 if( asprintf( &p_es->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
536 p_fmt->audio.i_channels ) == -1 )
537 p_es->psz_rtpmap = NULL;
539 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
540 p_es->i_payload_type = p_media->i_payload_type++;
541 if( asprintf( &p_es->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
542 p_fmt->audio.i_channels ) == -1 )
543 p_es->psz_rtpmap = NULL;
545 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
546 case VLC_FOURCC( 'm', 'p', '3', ' ' ):
547 p_es->i_payload_type = 14;
548 p_es->psz_rtpmap = strdup( "MPA/90000" );
550 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
551 p_es->i_payload_type = 32;
552 p_es->psz_rtpmap = strdup( "MPV/90000" );
554 case VLC_FOURCC( 'a', '5', '2', ' ' ):
555 p_es->i_payload_type = p_media->i_payload_type++;
556 if( asprintf( &p_es->psz_rtpmap, "ac3/%d", p_fmt->audio.i_rate ) == -1 )
557 p_es->psz_rtpmap = NULL;
559 case VLC_FOURCC( 'H', '2', '6', '3' ):
560 p_es->i_payload_type = p_media->i_payload_type++;
561 p_es->psz_rtpmap = strdup( "H263-1998/90000" );
563 case VLC_FOURCC( 'h', '2', '6', '4' ):
564 p_es->i_payload_type = p_media->i_payload_type++;
565 p_es->psz_rtpmap = strdup( "H264/90000" );
566 p_es->psz_fmtp = NULL;
567 /* FIXME AAAAAAAAAAAARRRRRRRRGGGG copied from stream_out/rtp.c */
568 if( p_fmt->i_extra > 0 )
570 uint8_t *p_buffer = p_fmt->p_extra;
571 int i_buffer = p_fmt->i_extra;
572 char *p_64_sps = NULL;
573 char *p_64_pps = NULL;
576 while( i_buffer > 4 &&
577 p_buffer[0] == 0 && p_buffer[1] == 0 &&
578 p_buffer[2] == 0 && p_buffer[3] == 1 )
580 const int i_nal_type = p_buffer[4]&0x1f;
585 for( i_offset = 4; i_offset+3 < i_buffer ; i_offset++)
587 if( p_buffer[i_offset] == 0 && p_buffer[i_offset+1] == 0 && p_buffer[i_offset+2] == 0 && p_buffer[i_offset+3] == 1 )
589 /* we found another startcode */
594 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 )
601 p_64_pps = vlc_b64_encode_binary( &p_buffer[4], i_size - 4 );
607 if( p_64_sps && p_64_pps )
609 if( asprintf( &p_es->psz_fmtp,
610 "packetization-mode=1;profile-level-id=%s;"
611 "sprop-parameter-sets=%s,%s;", hexa, p_64_sps,
624 if( !p_es->psz_fmtp )
625 p_es->psz_fmtp = strdup( "packetization-mode=1" );
627 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
628 p_es->i_payload_type = p_media->i_payload_type++;
629 p_es->psz_rtpmap = strdup( "MP4V-ES/90000" );
630 if( p_fmt->i_extra > 0 )
632 char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
633 sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
634 if( asprintf( &p_es->psz_fmtp,
635 "profile-level-id=3; config=%s;", p_hexa ) == -1 )
636 p_es->psz_fmtp = NULL;
640 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
641 p_es->i_payload_type = p_media->i_payload_type++;
642 if( asprintf( &p_es->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate ) == -1 )
643 p_es->psz_rtpmap = NULL;
644 if( p_fmt->i_extra > 0 )
646 char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
647 sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
648 if( asprintf( &p_es->psz_fmtp,
649 "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
650 "config=%s; SizeLength=13;IndexLength=3; "
651 "IndexDeltaLength=3; Profile=1;", p_hexa ) == -1 )
652 p_es->psz_fmtp = NULL;
656 case VLC_FOURCC( 'm', 'p', '2', 't' ):
657 p_media->psz_mux = strdup("ts");
658 p_es->i_payload_type = 33;
659 p_es->psz_rtpmap = strdup( "MP2T/90000" );
661 case VLC_FOURCC( 'm', 'p', '2', 'p' ):
662 p_media->psz_mux = strdup("ps");
663 p_es->i_payload_type = p_media->i_payload_type++;
664 p_es->psz_rtpmap = strdup( "MP2P/90000" );
666 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
667 p_es->i_payload_type = p_media->i_payload_type++;
668 p_es->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
669 "AMR/8000/2" : "AMR/8000" );
670 p_es->psz_fmtp = strdup( "octet-align=1" );
672 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
673 p_es->i_payload_type = p_media->i_payload_type++;
674 p_es->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
675 "AMR-WB/16000/2" : "AMR-WB/16000" );
676 p_es->psz_fmtp = strdup( "octet-align=1" );
680 msg_Err( p_vod, "cannot add this stream (unsupported "
681 "codec: %4.4s)", (char*)&p_fmt->i_codec );
688 httpd_UrlNewUnique( p_vod->p_sys->p_rtsp_host, psz_urlc, NULL, NULL,
691 if( !p_es->p_rtsp_url )
693 msg_Err( p_vod, "cannot create RTSP url (%s)", psz_urlc );
700 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_SETUP,
701 RtspCallbackES, (void*)p_es );
702 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_TEARDOWN,
703 RtspCallbackES, (void*)p_es );
704 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PLAY,
705 RtspCallbackES, (void*)p_es );
706 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PAUSE,
707 RtspCallbackES, (void*)p_es );
709 es_format_Copy( &p_es->fmt, p_fmt );
711 p_es->p_media = p_media;
714 /* Choose the port */
715 if( p_fmt->i_cat == AUDIO_ES && p_media->i_port_audio > 0 )
717 p_es->i_port = p_media->i_port_audio;
718 p_media->i_port_audio = 0;
720 else if( p_fmt->i_cat == VIDEO_ES && p_media->i_port_video > 0 )
722 p_es->i_port = p_media->i_port_video;
723 p_media->i_port_video = 0;
725 while( !p_es->i_port )
727 if( p_media->i_port != p_media->i_port_audio &&
728 p_media->i_port != p_media->i_port_video )
730 p_es->i_port = p_media->i_port;
731 p_media->i_port += 2;
734 p_media->i_port += 2;
741 vlc_mutex_lock( &p_media->lock );
742 TAB_APPEND( p_media->i_es, p_media->es, p_es );
743 vlc_mutex_unlock( &p_media->lock );
745 p_media->i_sdp_version++;
750 static void MediaDelES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt)
752 media_es_t *p_es = NULL;
756 for( i = 0; i < p_media->i_es; i++ )
758 if( p_media->es[i]->fmt.i_cat == p_fmt->i_cat &&
759 p_media->es[i]->fmt.i_codec == p_fmt->i_codec &&
760 p_media->es[i]->fmt.i_id == p_fmt->i_id )
762 p_es = p_media->es[i];
767 msg_Dbg( p_vod, " - Removing ES %4.4s", (char *)&p_fmt->i_codec );
769 vlc_mutex_lock( &p_media->lock );
770 TAB_REMOVE( p_media->i_es, p_media->es, p_es );
771 vlc_mutex_unlock( &p_media->lock );
773 free( p_es->psz_rtpmap );
774 free( p_es->psz_fmtp );
775 p_media->i_sdp_version++;
777 if( p_es->p_rtsp_url ) httpd_UrlDelete( p_es->p_rtsp_url );
778 es_format_Clean( &p_es->fmt );
787 //vod_media_t *p_media;
793 static void CommandPush( vod_t *p_vod, rtsp_cmd_type_t i_type, vod_media_t *p_media, const char *psz_session,
794 double f_arg, const char *psz_arg )
799 memset( &cmd, 0, sizeof(cmd) );
802 cmd.i_media_id = p_media->id;
804 cmd.psz_session = strdup(psz_session);
807 cmd.psz_arg = strdup(psz_arg);
809 p_cmd = block_New( p_vod, sizeof(rtsp_cmd_t) );
810 memcpy( p_cmd->p_buffer, &cmd, sizeof(cmd) );
812 block_FifoPut( p_vod->p_sys->p_fifo_cmd, p_cmd );
815 static void* CommandThread( vlc_object_t *p_this )
817 vod_t *p_vod = (vod_t*)p_this;
818 vod_sys_t *p_sys = p_vod->p_sys;
820 while( vlc_object_alive (p_vod) )
822 block_t *p_block_cmd = block_FifoGet( p_sys->p_fifo_cmd );
824 vod_media_t *p_media = NULL;
830 memcpy( &cmd, p_block_cmd->p_buffer, sizeof(cmd) );
831 block_Release( p_block_cmd );
833 if( cmd.i_type == RTSP_CMD_TYPE_NONE )
837 vlc_mutex_lock( &p_sys->lock_media );
838 for( i = 0; i < p_sys->i_media; i++ )
840 if( p_sys->media[i]->id == cmd.i_media_id )
843 if( i >= p_sys->i_media )
845 p_media = p_sys->media[i];
849 case RTSP_CMD_TYPE_PLAY:
850 vod_MediaControl( p_vod, p_media, cmd.psz_session,
851 VOD_MEDIA_PLAY, cmd.psz_arg );
853 case RTSP_CMD_TYPE_PAUSE:
854 vod_MediaControl( p_vod, p_media, cmd.psz_session,
858 case RTSP_CMD_TYPE_STOP:
859 vod_MediaControl( p_vod, p_media, cmd.psz_session, VOD_MEDIA_STOP );
862 case RTSP_CMD_TYPE_SEEK:
863 vod_MediaControl( p_vod, p_media, cmd.psz_session,
864 VOD_MEDIA_SEEK, cmd.f_arg );
867 case RTSP_CMD_TYPE_REWIND:
868 vod_MediaControl( p_vod, p_media, cmd.psz_session,
869 VOD_MEDIA_REWIND, cmd.f_arg );
872 case RTSP_CMD_TYPE_FORWARD:
873 vod_MediaControl( p_vod, p_media, cmd.psz_session,
874 VOD_MEDIA_FORWARD, cmd.f_arg );
882 vlc_mutex_unlock( &p_sys->lock_media );
883 free( cmd.psz_session );
889 /****************************************************************************
890 * RTSP server implementation
891 ****************************************************************************/
892 static rtsp_client_t *RtspClientNew( vod_media_t *p_media, char *psz_session )
894 rtsp_client_t *p_rtsp = malloc( sizeof(rtsp_client_t) );
896 if( !p_rtsp ) return NULL;
897 memset( p_rtsp, 0, sizeof(rtsp_client_t) );
900 p_rtsp->psz_session = psz_session;
901 TAB_APPEND( p_media->i_rtsp, p_media->rtsp, p_rtsp );
903 p_media->p_vod->p_sys->i_connections++;
904 msg_Dbg( p_media->p_vod, "new session: %s, connections: %d",
905 psz_session, p_media->p_vod->p_sys->i_throttle_users );
910 static rtsp_client_t *RtspClientGet( vod_media_t *p_media, const char *psz_session )
914 for( i = 0; psz_session && i < p_media->i_rtsp; i++ )
916 if( !strcmp( p_media->rtsp[i]->psz_session, psz_session ) )
917 return p_media->rtsp[i];
923 static void RtspClientDel( vod_media_t *p_media, rtsp_client_t *p_rtsp )
925 p_media->p_vod->p_sys->i_connections--;
926 msg_Dbg( p_media->p_vod, "closing session: %s, connections: %d",
927 p_rtsp->psz_session, p_media->p_vod->p_sys->i_throttle_users );
929 while( p_rtsp->i_es-- )
931 free( p_rtsp->es[p_rtsp->i_es]->psz_ip );
932 free( p_rtsp->es[p_rtsp->i_es] );
933 if( !p_rtsp->i_es ) free( p_rtsp->es );
936 TAB_REMOVE( p_media->i_rtsp, p_media->rtsp, p_rtsp );
938 free( p_rtsp->psz_session );
943 static float ParseNPT (const char *str)
945 locale_t loc = newlocale (LC_NUMERIC_MASK, "C", NULL);
946 locale_t oldloc = uselocale (loc);
950 if (sscanf (str, "%u:%u:%f", &hour, &min, &sec) == 3)
951 sec += ((hour * 60) + min) * 60;
953 if (sscanf (str, "%f", &sec) != 1)
956 if (loc != (locale_t)0)
965 static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
966 httpd_message_t *answer, const httpd_message_t *query )
968 vod_media_t *p_media = (vod_media_t*)p_args;
969 vod_t *p_vod = p_media->p_vod;
970 const char *psz_transport = NULL;
971 const char *psz_playnow = NULL; /* support option: x-playNow */
972 const char *psz_session = NULL;
973 const char *psz_cseq = NULL;
974 rtsp_client_t *p_rtsp;
978 if( answer == NULL || query == NULL ) return VLC_SUCCESS;
980 msg_Dbg( p_vod, "RtspCallback query: type=%d", query->i_type );
982 answer->i_proto = HTTPD_PROTO_RTSP;
983 answer->i_version = query->i_version;
984 answer->i_type = HTTPD_MSG_ANSWER;
986 answer->p_body = NULL;
988 switch( query->i_type )
990 case HTTPD_MSG_SETUP:
992 psz_playnow = httpd_MsgGet( query, "x-playNow" );
993 psz_transport = httpd_MsgGet( query, "Transport" );
994 if( psz_transport == NULL )
996 answer->i_status = 400;
999 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: transport=%s", psz_transport );
1001 if( strstr( psz_transport, "unicast" ) &&
1002 strstr( psz_transport, "client_port=" ) )
1004 rtsp_client_t *p_rtsp = NULL;
1005 char ip[NI_MAXNUMERICHOST];
1006 i_port = atoi( strstr( psz_transport, "client_port=" ) +
1007 strlen("client_port=") );
1009 if( strstr( psz_transport, "MP2T/H2221/UDP" ) ||
1010 strstr( psz_transport, "RAW/RAW/UDP" ) )
1012 free( p_media->psz_mux );
1013 p_media->psz_mux = NULL;
1014 p_media->psz_mux = strdup( p_vod->p_sys->psz_raw_mux );
1015 p_media->b_raw = true;
1018 if( httpd_ClientIP( cl, ip ) == NULL )
1020 answer->i_status = 500;
1022 answer->p_body = NULL;
1026 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: unicast ip=%s port=%d",
1029 psz_session = httpd_MsgGet( query, "Session" );
1030 if( !psz_session || !*psz_session )
1033 if( ( p_vod->p_sys->i_throttle_users > 0 ) &&
1034 ( p_vod->p_sys->i_connections >= p_vod->p_sys->i_throttle_users ) )
1036 answer->i_status = 503;
1038 answer->p_body = NULL;
1041 if( asprintf( &psz_new, "%d", rand() ) < 0 )
1043 psz_session = psz_new;
1045 p_rtsp = RtspClientNew( p_media, psz_new );
1048 answer->i_status = 454;
1050 answer->p_body = NULL;
1056 p_rtsp = RtspClientGet( p_media, psz_session );
1059 answer->i_status = 454;
1061 answer->p_body = NULL;
1066 answer->i_status = 200;
1068 answer->p_body = NULL;
1070 if( p_media->b_raw )
1072 if( strstr( psz_transport, "MP2T/H2221/UDP" ) )
1074 httpd_MsgAdd( answer, "Transport",
1075 "MP2T/H2221/UDP;unicast;client_port=%d-%d",
1076 i_port, i_port + 1 );
1078 else if( strstr( psz_transport, "RAW/RAW/UDP" ) )
1080 httpd_MsgAdd( answer, "Transport",
1081 "RAW/RAW/UDP;unicast;client_port=%d-%d",
1082 i_port, i_port + 1 );
1086 httpd_MsgAdd( answer, "Transport",
1087 "RTP/AVP/UDP;unicast;client_port=%d-%d",
1088 i_port, i_port + 1 );
1090 else /* TODO strstr( psz_transport, "interleaved" ) ) */
1092 answer->i_status = 461;
1094 answer->p_body = NULL;
1097 /* Intentional fall-through on x-playNow option in RTSP request */
1102 case HTTPD_MSG_PLAY:
1104 char *psz_output, ip[NI_MAXNUMERICHOST];
1105 int i, i_port_audio = 0, i_port_video = 0;
1107 /* for now only multicast so easy */
1110 answer->i_status = 200;
1112 answer->p_body = NULL;
1116 psz_session = httpd_MsgGet( query, "Session" );
1117 msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session );
1119 p_rtsp = RtspClientGet( p_media, psz_session );
1122 answer->i_status = 500;
1124 answer->p_body = NULL;
1128 if( p_rtsp->b_playing )
1130 const char *psz_position = httpd_MsgGet( query, "Range" );
1131 const char *psz_scale = httpd_MsgGet( query, "Scale" );
1133 psz_position = strstr( psz_position, "npt=" );
1134 if( psz_position && !psz_scale )
1136 double f_pos = ParseNPT (psz_position + 4);
1137 msg_Dbg( p_vod, "seeking request: %s", psz_position );
1138 f_pos /= ((double)(p_media->i_length))/1000 /1000 / 100;
1139 CommandPush( p_vod, RTSP_CMD_TYPE_SEEK, p_media,
1140 psz_session, f_pos, NULL );
1145 double f_scale = 0.0;
1148 f_scale = us_strtod( psz_scale, &end );
1149 if( end > psz_scale )
1151 f_scale = (f_scale * 30.0);
1152 if( psz_scale[0] == '-' ) /* rewind */
1154 msg_Dbg( p_vod, "rewind request: %s", psz_scale );
1155 CommandPush( p_vod, RTSP_CMD_TYPE_REWIND, p_media,
1156 psz_session, f_scale, NULL );
1158 else if(psz_scale[0] != '1' ) /* fast-forward */
1160 msg_Dbg( p_vod, "fastforward request: %s",
1162 CommandPush( p_vod, RTSP_CMD_TYPE_FORWARD, p_media,
1163 psz_session, f_scale, NULL );
1166 if( p_rtsp->b_paused == true )
1168 p_rtsp->b_paused = false;
1169 CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media,
1170 psz_session, 0, NULL );
1177 if( p_rtsp->b_playing && p_rtsp->b_paused )
1179 CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media,
1180 psz_session, 0, NULL );
1181 p_rtsp->b_paused = false;
1184 else if( p_rtsp->b_playing ) break;
1186 if( httpd_ClientIP( cl, ip ) == NULL ) break;
1188 p_rtsp->b_playing = true;
1190 /* FIXME for != 1 video and 1 audio */
1191 for( i = 0; i < p_rtsp->i_es; i++ )
1193 if( p_rtsp->es[i]->p_media_es->fmt.i_cat == AUDIO_ES )
1194 i_port_audio = p_rtsp->es[i]->i_port;
1195 if( p_rtsp->es[i]->p_media_es->fmt.i_cat == VIDEO_ES )
1196 i_port_video = p_rtsp->es[i]->i_port;
1199 if( p_media->psz_mux )
1201 if( p_media->b_raw )
1203 if( asprintf( &psz_output,
1204 "std{access=udp,dst=%s:%i,mux=%s}",
1205 ip, i_port, p_media->psz_mux ) < 0 )
1210 if( asprintf( &psz_output,
1211 "rtp{dst=%s,port=%i,mux=%s}",
1212 ip, i_port_video, p_media->psz_mux ) < 0 )
1218 if( asprintf( &psz_output,
1219 "rtp{dst=%s,port-video=%i,port-audio=%i}",
1220 ip, i_port_video, i_port_audio ) < 0 )
1224 CommandPush( p_vod, RTSP_CMD_TYPE_PLAY, p_media, psz_session,
1230 case HTTPD_MSG_DESCRIBE:
1233 SDPGenerate( p_media, cl );
1235 if( psz_sdp != NULL )
1237 answer->i_status = 200;
1238 httpd_MsgAdd( answer, "Content-type", "%s",
1239 "application/sdp" );
1241 answer->p_body = (uint8_t *)psz_sdp;
1242 answer->i_body = strlen( psz_sdp );
1246 answer->i_status = 500;
1247 answer->p_body = NULL;
1253 case HTTPD_MSG_PAUSE:
1254 psz_session = httpd_MsgGet( query, "Session" );
1255 msg_Dbg( p_vod, "HTTPD_MSG_PAUSE 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_PAUSE, p_media, psz_session,
1262 p_rtsp->b_paused = true;
1264 answer->i_status = 200;
1266 answer->p_body = NULL;
1269 case HTTPD_MSG_TEARDOWN:
1270 /* for now only multicast so easy again */
1271 answer->i_status = 200;
1273 answer->p_body = NULL;
1275 psz_session = httpd_MsgGet( query, "Session" );
1276 msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
1278 p_rtsp = RtspClientGet( p_media, psz_session );
1279 if( !p_rtsp ) break;
1281 CommandPush( p_vod, RTSP_CMD_TYPE_STOP, p_media, psz_session,
1283 RtspClientDel( p_media, p_rtsp );
1286 case HTTPD_MSG_GETPARAMETER:
1287 answer->i_status = 200;
1289 answer->p_body = NULL;
1293 return VLC_EGENERIC;
1296 httpd_MsgAdd( answer, "Server", "VLC Server" );
1297 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1298 psz_cseq = httpd_MsgGet( query, "Cseq" );
1299 psz_cseq ? i_cseq = atoi( psz_cseq ) : 0;
1300 httpd_MsgAdd( answer, "CSeq", "%d", i_cseq );
1301 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1305 if( p_media->p_vod->p_sys->i_session_timeout >= 0 )
1306 httpd_MsgAdd( answer, "Session", "%s;timeout=%i", psz_session,
1307 p_media->p_vod->p_sys->i_session_timeout );
1309 httpd_MsgAdd( answer, "Session", "%s", psz_session );
1315 static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl,
1316 httpd_message_t *answer,
1317 const httpd_message_t *query )
1319 media_es_t *p_es = (media_es_t*)p_args;
1320 vod_media_t *p_media = p_es->p_media;
1321 vod_t *p_vod = p_media->p_vod;
1322 rtsp_client_t *p_rtsp = NULL;
1323 const char *psz_transport = NULL;
1324 const char *psz_playnow = NULL; /* support option: x-playNow */
1325 const char *psz_session = NULL;
1326 const char *psz_position = NULL;
1327 const char *psz_cseq = NULL;
1331 if( answer == NULL || query == NULL ) return VLC_SUCCESS;
1333 msg_Dbg( p_vod, "RtspCallback query: type=%d", query->i_type );
1335 answer->i_proto = HTTPD_PROTO_RTSP;
1336 answer->i_version = query->i_version;
1337 answer->i_type = HTTPD_MSG_ANSWER;
1339 answer->p_body = NULL;
1341 switch( query->i_type )
1343 case HTTPD_MSG_SETUP:
1344 psz_playnow = httpd_MsgGet( query, "x-playNow" );
1345 psz_transport = httpd_MsgGet( query, "Transport" );
1347 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: transport=%s", psz_transport );
1349 if( strstr( psz_transport, "unicast" ) &&
1350 strstr( psz_transport, "client_port=" ) )
1352 rtsp_client_t *p_rtsp = NULL;
1353 rtsp_client_es_t *p_rtsp_es = NULL;
1354 char ip[NI_MAXNUMERICHOST];
1355 int i_port = atoi( strstr( psz_transport, "client_port=" ) +
1356 strlen("client_port=") );
1358 if( httpd_ClientIP( cl, ip ) == NULL )
1360 answer->i_status = 500;
1362 answer->p_body = NULL;
1366 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: unicast ip=%s port=%d",
1369 psz_session = httpd_MsgGet( query, "Session" );
1370 if( !psz_session || !*psz_session )
1373 if( ( p_vod->p_sys->i_throttle_users > 0 ) &&
1374 ( p_vod->p_sys->i_connections >= p_vod->p_sys->i_throttle_users ) )
1376 answer->i_status = 503;
1378 answer->p_body = NULL;
1381 if( asprintf( &psz_new, "%d", rand() ) < 0 )
1383 psz_session = psz_new;
1385 p_rtsp = RtspClientNew( p_media, psz_new );
1389 p_rtsp = RtspClientGet( p_media, psz_session );
1392 answer->i_status = 454;
1394 answer->p_body = NULL;
1399 p_rtsp_es = malloc( sizeof(rtsp_client_es_t) );
1402 answer->i_status = 500;
1404 answer->p_body = NULL;
1407 p_rtsp_es->i_port = i_port;
1408 p_rtsp_es->psz_ip = strdup( ip );
1409 p_rtsp_es->p_media_es = p_es;
1410 TAB_APPEND( p_rtsp->i_es, p_rtsp->es, p_rtsp_es );
1412 answer->i_status = 200;
1414 answer->p_body = NULL;
1416 if( p_media->b_raw )
1418 if( strstr( psz_transport, "MP2T/H2221/UDP" ) )
1420 httpd_MsgAdd( answer, "Transport",
1421 "MP2T/H2221/UDP;client_port=%d-%d",
1422 p_rtsp_es->i_port, p_rtsp_es->i_port + 1 );
1424 else if( strstr( psz_transport, "RAW/RAW/UDP" ) )
1426 httpd_MsgAdd( answer, "Transport",
1427 "RAW/RAW/UDP;client_port=%d-%d",
1428 p_rtsp_es->i_port, p_rtsp_es->i_port + 1 );
1433 httpd_MsgAdd( answer, "Transport",
1434 "RTP/AVP/UDP;client_port=%d-%d",
1435 p_rtsp_es->i_port, p_rtsp_es->i_port + 1 );
1438 else /* TODO strstr( psz_transport, "interleaved" ) ) */
1440 answer->i_status = 461;
1442 answer->p_body = NULL;
1445 /* Intentional fall-through on x-playNow option in RTSP request */
1449 case HTTPD_MSG_PLAY:
1450 /* This is kind of a kludge. Should we only support Aggregate
1452 psz_session = httpd_MsgGet( query, "Session" );
1453 msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session );
1455 p_rtsp = RtspClientGet( p_media, psz_session );
1457 psz_position = httpd_MsgGet( query, "Range" );
1458 if( psz_position ) psz_position = strstr( psz_position, "npt=" );
1461 double f_pos = ParseNPT (psz_position + 4);
1462 msg_Dbg( p_vod, "seeking request: %s", psz_position );
1463 f_pos /= ((double)(p_media->i_length))/1000 /1000 / 100;
1464 CommandPush( p_vod, RTSP_CMD_TYPE_SEEK, p_media,
1465 psz_session, f_pos, NULL );
1470 answer->i_status = 200;
1472 answer->p_body = NULL;
1476 case HTTPD_MSG_TEARDOWN:
1477 answer->i_status = 200;
1479 answer->p_body = NULL;
1481 psz_session = httpd_MsgGet( query, "Session" );
1482 msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
1484 p_rtsp = RtspClientGet( p_media, psz_session );
1485 if( !p_rtsp ) break;
1487 for( i = 0; i < p_rtsp->i_es; i++ )
1489 if( p_rtsp->es[i]->p_media_es == p_es )
1491 free( p_rtsp->es[i]->psz_ip );
1492 TAB_REMOVE( p_rtsp->i_es, p_rtsp->es, p_rtsp->es[i] );
1499 CommandPush( p_vod, RTSP_CMD_TYPE_STOP, p_media, psz_session,
1501 RtspClientDel( p_media, p_rtsp );
1505 case HTTPD_MSG_PAUSE:
1506 /* This is kind of a kludge. Should we only support Aggregate
1508 psz_session = httpd_MsgGet( query, "Session" );
1509 msg_Dbg( p_vod, "HTTPD_MSG_PAUSE for session: %s", psz_session );
1511 p_rtsp = RtspClientGet( p_media, psz_session );
1512 if( !p_rtsp ) break;
1514 CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, psz_session,
1516 p_rtsp->b_paused = true;
1518 answer->i_status = 200;
1520 answer->p_body = NULL;
1524 return VLC_EGENERIC;
1528 httpd_MsgAdd( answer, "Server", "VLC Server" );
1529 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1530 psz_cseq = httpd_MsgGet( query, "Cseq" );
1532 i_cseq = atoi( psz_cseq );
1535 httpd_MsgAdd( answer, "Cseq", "%d", i_cseq );
1536 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1539 httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
1544 /*****************************************************************************
1546 * FIXME: need to be moved to a common place ?
1547 *****************************************************************************/
1548 static char *SDPGenerate( const vod_media_t *p_media, httpd_client_t *cl )
1551 char *p, *psz_sdp, ip[NI_MAXNUMERICHOST], ipv;
1552 const char *psz_control;
1554 if( httpd_ServerIP( cl, ip ) == NULL )
1557 p = strchr( ip, '%' );
1559 *p = '\0'; /* remove scope if present */
1561 ipv = ( strchr( ip, ':' ) != NULL ) ? '6' : '4';
1563 /* Calculate size */
1564 i_size = sizeof( "v=0\r\n" ) +
1565 sizeof( "o=- * * IN IP4 \r\n" ) + 10 + NI_MAXNUMERICHOST +
1566 sizeof( "s=*\r\n" ) + strlen( p_media->psz_session_name ) +
1567 sizeof( "i=*\r\n" ) + strlen( p_media->psz_session_description ) +
1568 sizeof( "u=*\r\n" ) + strlen( p_media->psz_session_url ) +
1569 sizeof( "e=*\r\n" ) + strlen( p_media->psz_session_email ) +
1570 sizeof( "c=IN IP4 0.0.0.0\r\n" ) + 20 + 10 +
1571 sizeof( "t=0 0\r\n" ) + /* FIXME */
1572 sizeof( "a=tool:"PACKAGE_STRING"\r\n" ) +
1573 sizeof( "a=range:npt=0-1000000000.000\r\n" );
1575 psz_control = (ipv == '6') ? p_media->psz_rtsp_control_v6
1576 : p_media->psz_rtsp_control_v4;
1577 for( i = 0; i < p_media->i_es; i++ )
1579 media_es_t *p_es = p_media->es[i];
1581 i_size += sizeof( "m=**d*o * RTP/AVP *\r\n" ) + 19;
1582 if( p_es->psz_rtpmap )
1584 i_size += sizeof( "a=rtpmap:* *\r\n" ) +
1585 strlen( p_es->psz_rtpmap ) + 9;
1587 if( p_es->psz_fmtp )
1589 i_size += sizeof( "a=fmtp:* *\r\n" ) +
1590 strlen( p_es->psz_fmtp ) + 9;
1593 i_size += (strlen( psz_control ) + strlen( ip ) + 9) * p_media->i_es;
1595 p = psz_sdp = malloc( i_size );
1596 p += sprintf( p, "v=0\r\n" );
1597 p += sprintf( p, "o=- %"PRId64" %d IN IP%c %s\r\n",
1598 p_media->i_sdp_id, p_media->i_sdp_version, ipv, ip );
1599 if( *p_media->psz_session_name )
1600 p += sprintf( p, "s=%s\r\n", p_media->psz_session_name );
1601 if( *p_media->psz_session_description )
1602 p += sprintf( p, "i=%s\r\n", p_media->psz_session_description );
1603 if( *p_media->psz_session_url )
1604 p += sprintf( p, "u=%s\r\n", p_media->psz_session_url );
1605 if( *p_media->psz_session_email )
1606 p += sprintf( p, "e=%s\r\n", p_media->psz_session_email );
1608 p += sprintf( p, "c=IN IP%c %s\r\n", ipv, ipv == '6' ? "::" : "0.0.0.0" );
1609 p += sprintf( p, "t=0 0\r\n" ); /* FIXME */
1610 p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" );
1612 if( p_media->i_length > 0 )
1614 lldiv_t d = lldiv( p_media->i_length / 1000, 1000 );
1615 p += sprintf( p, "a=range:npt=0-%lld.%03u\r\n", d.quot,
1619 for( i = 0; i < p_media->i_es; i++ )
1621 media_es_t *p_es = p_media->es[i];
1623 if( p_es->fmt.i_cat == AUDIO_ES )
1625 p += sprintf( p, "m=audio %d RTP/AVP %d\r\n",
1626 p_es->i_port, p_es->i_payload_type );
1628 else if( p_es->fmt.i_cat == VIDEO_ES )
1630 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
1631 p_es->i_port, p_es->i_payload_type );
1638 if( p_es->psz_rtpmap )
1640 p += sprintf( p, "a=rtpmap:%d %s\r\n", p_es->i_payload_type,
1643 if( p_es->psz_fmtp )
1645 p += sprintf( p, "a=fmtp:%d %s\r\n", p_es->i_payload_type,
1649 p += sprintf( p, psz_control, ip, i );