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 )
597 p_64_sps = vlc_b64_encode_binary( &p_buffer[4], i_size - 4 );
598 sprintf_hexa( hexa, &p_buffer[5], 3 );
600 else if( i_nal_type == 8 )
603 p_64_pps = vlc_b64_encode_binary( &p_buffer[4], i_size - 4 );
609 if( p_64_sps && p_64_pps )
611 if( asprintf( &p_es->psz_fmtp,
612 "packetization-mode=1;profile-level-id=%s;"
613 "sprop-parameter-sets=%s,%s;", hexa, p_64_sps,
626 if( !p_es->psz_fmtp )
627 p_es->psz_fmtp = strdup( "packetization-mode=1" );
629 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
630 p_es->i_payload_type = p_media->i_payload_type++;
631 p_es->psz_rtpmap = strdup( "MP4V-ES/90000" );
632 if( p_fmt->i_extra > 0 )
634 char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
635 sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
636 if( asprintf( &p_es->psz_fmtp,
637 "profile-level-id=3; config=%s;", p_hexa ) == -1 )
638 p_es->psz_fmtp = NULL;
642 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
643 p_es->i_payload_type = p_media->i_payload_type++;
644 if( asprintf( &p_es->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate ) == -1 )
645 p_es->psz_rtpmap = NULL;
646 if( p_fmt->i_extra > 0 )
648 char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
649 sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
650 if( asprintf( &p_es->psz_fmtp,
651 "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
652 "config=%s; SizeLength=13;IndexLength=3; "
653 "IndexDeltaLength=3; Profile=1;", p_hexa ) == -1 )
654 p_es->psz_fmtp = NULL;
658 case VLC_FOURCC( 'm', 'p', '2', 't' ):
659 p_media->psz_mux = strdup("ts");
660 p_es->i_payload_type = 33;
661 p_es->psz_rtpmap = strdup( "MP2T/90000" );
663 case VLC_FOURCC( 'm', 'p', '2', 'p' ):
664 p_media->psz_mux = strdup("ps");
665 p_es->i_payload_type = p_media->i_payload_type++;
666 p_es->psz_rtpmap = strdup( "MP2P/90000" );
668 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
669 p_es->i_payload_type = p_media->i_payload_type++;
670 p_es->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
671 "AMR/8000/2" : "AMR/8000" );
672 p_es->psz_fmtp = strdup( "octet-align=1" );
674 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
675 p_es->i_payload_type = p_media->i_payload_type++;
676 p_es->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
677 "AMR-WB/16000/2" : "AMR-WB/16000" );
678 p_es->psz_fmtp = strdup( "octet-align=1" );
682 msg_Err( p_vod, "cannot add this stream (unsupported "
683 "codec: %4.4s)", (char*)&p_fmt->i_codec );
690 httpd_UrlNewUnique( p_vod->p_sys->p_rtsp_host, psz_urlc, NULL, NULL,
693 if( !p_es->p_rtsp_url )
695 msg_Err( p_vod, "cannot create RTSP url (%s)", psz_urlc );
702 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_SETUP,
703 RtspCallbackES, (void*)p_es );
704 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_TEARDOWN,
705 RtspCallbackES, (void*)p_es );
706 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PLAY,
707 RtspCallbackES, (void*)p_es );
708 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PAUSE,
709 RtspCallbackES, (void*)p_es );
711 es_format_Copy( &p_es->fmt, p_fmt );
713 p_es->p_media = p_media;
716 /* Choose the port */
717 if( p_fmt->i_cat == AUDIO_ES && p_media->i_port_audio > 0 )
719 p_es->i_port = p_media->i_port_audio;
720 p_media->i_port_audio = 0;
722 else if( p_fmt->i_cat == VIDEO_ES && p_media->i_port_video > 0 )
724 p_es->i_port = p_media->i_port_video;
725 p_media->i_port_video = 0;
727 while( !p_es->i_port )
729 if( p_media->i_port != p_media->i_port_audio &&
730 p_media->i_port != p_media->i_port_video )
732 p_es->i_port = p_media->i_port;
733 p_media->i_port += 2;
736 p_media->i_port += 2;
743 vlc_mutex_lock( &p_media->lock );
744 TAB_APPEND( p_media->i_es, p_media->es, p_es );
745 vlc_mutex_unlock( &p_media->lock );
747 p_media->i_sdp_version++;
752 static void MediaDelES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt)
754 media_es_t *p_es = NULL;
758 for( i = 0; i < p_media->i_es; i++ )
760 if( p_media->es[i]->fmt.i_cat == p_fmt->i_cat &&
761 p_media->es[i]->fmt.i_codec == p_fmt->i_codec &&
762 p_media->es[i]->fmt.i_id == p_fmt->i_id )
764 p_es = p_media->es[i];
769 msg_Dbg( p_vod, " - Removing ES %4.4s", (char *)&p_fmt->i_codec );
771 vlc_mutex_lock( &p_media->lock );
772 TAB_REMOVE( p_media->i_es, p_media->es, p_es );
773 vlc_mutex_unlock( &p_media->lock );
775 free( p_es->psz_rtpmap );
776 free( p_es->psz_fmtp );
777 p_media->i_sdp_version++;
779 if( p_es->p_rtsp_url ) httpd_UrlDelete( p_es->p_rtsp_url );
780 es_format_Clean( &p_es->fmt );
789 //vod_media_t *p_media;
795 static void CommandPush( vod_t *p_vod, rtsp_cmd_type_t i_type, vod_media_t *p_media, const char *psz_session,
796 double f_arg, const char *psz_arg )
801 memset( &cmd, 0, sizeof(cmd) );
804 cmd.i_media_id = p_media->id;
806 cmd.psz_session = strdup(psz_session);
809 cmd.psz_arg = strdup(psz_arg);
811 p_cmd = block_New( p_vod, sizeof(rtsp_cmd_t) );
812 memcpy( p_cmd->p_buffer, &cmd, sizeof(cmd) );
814 block_FifoPut( p_vod->p_sys->p_fifo_cmd, p_cmd );
817 static void* CommandThread( vlc_object_t *p_this )
819 vod_t *p_vod = (vod_t*)p_this;
820 vod_sys_t *p_sys = p_vod->p_sys;
821 int canc = vlc_savecancel ();
823 while( vlc_object_alive (p_vod) )
825 block_t *p_block_cmd = block_FifoGet( p_sys->p_fifo_cmd );
827 vod_media_t *p_media = NULL;
833 memcpy( &cmd, p_block_cmd->p_buffer, sizeof(cmd) );
834 block_Release( p_block_cmd );
836 if( cmd.i_type == RTSP_CMD_TYPE_NONE )
840 vlc_mutex_lock( &p_sys->lock_media );
841 for( i = 0; i < p_sys->i_media; i++ )
843 if( p_sys->media[i]->id == cmd.i_media_id )
846 if( i >= p_sys->i_media )
848 p_media = p_sys->media[i];
852 case RTSP_CMD_TYPE_PLAY:
853 vod_MediaControl( p_vod, p_media, cmd.psz_session,
854 VOD_MEDIA_PLAY, cmd.psz_arg );
856 case RTSP_CMD_TYPE_PAUSE:
857 vod_MediaControl( p_vod, p_media, cmd.psz_session,
861 case RTSP_CMD_TYPE_STOP:
862 vod_MediaControl( p_vod, p_media, cmd.psz_session, VOD_MEDIA_STOP );
865 case RTSP_CMD_TYPE_SEEK:
866 vod_MediaControl( p_vod, p_media, cmd.psz_session,
867 VOD_MEDIA_SEEK, cmd.f_arg );
870 case RTSP_CMD_TYPE_REWIND:
871 vod_MediaControl( p_vod, p_media, cmd.psz_session,
872 VOD_MEDIA_REWIND, cmd.f_arg );
875 case RTSP_CMD_TYPE_FORWARD:
876 vod_MediaControl( p_vod, p_media, cmd.psz_session,
877 VOD_MEDIA_FORWARD, cmd.f_arg );
885 vlc_mutex_unlock( &p_sys->lock_media );
886 free( cmd.psz_session );
890 vlc_restorecancel (canc);
894 /****************************************************************************
895 * RTSP server implementation
896 ****************************************************************************/
897 static rtsp_client_t *RtspClientNew( vod_media_t *p_media, char *psz_session )
899 rtsp_client_t *p_rtsp = malloc( sizeof(rtsp_client_t) );
901 if( !p_rtsp ) return NULL;
902 memset( p_rtsp, 0, sizeof(rtsp_client_t) );
905 p_rtsp->psz_session = psz_session;
906 TAB_APPEND( p_media->i_rtsp, p_media->rtsp, p_rtsp );
908 p_media->p_vod->p_sys->i_connections++;
909 msg_Dbg( p_media->p_vod, "new session: %s, connections: %d",
910 psz_session, p_media->p_vod->p_sys->i_throttle_users );
915 static rtsp_client_t *RtspClientGet( vod_media_t *p_media, const char *psz_session )
919 for( i = 0; psz_session && i < p_media->i_rtsp; i++ )
921 if( !strcmp( p_media->rtsp[i]->psz_session, psz_session ) )
922 return p_media->rtsp[i];
928 static void RtspClientDel( vod_media_t *p_media, rtsp_client_t *p_rtsp )
930 p_media->p_vod->p_sys->i_connections--;
931 msg_Dbg( p_media->p_vod, "closing session: %s, connections: %d",
932 p_rtsp->psz_session, p_media->p_vod->p_sys->i_throttle_users );
934 while( p_rtsp->i_es-- )
936 free( p_rtsp->es[p_rtsp->i_es]->psz_ip );
937 free( p_rtsp->es[p_rtsp->i_es] );
938 if( !p_rtsp->i_es ) free( p_rtsp->es );
941 TAB_REMOVE( p_media->i_rtsp, p_media->rtsp, p_rtsp );
943 free( p_rtsp->psz_session );
948 static float ParseNPT (const char *str)
950 locale_t loc = newlocale (LC_NUMERIC_MASK, "C", NULL);
951 locale_t oldloc = uselocale (loc);
955 if (sscanf (str, "%u:%u:%f", &hour, &min, &sec) == 3)
956 sec += ((hour * 60) + min) * 60;
958 if (sscanf (str, "%f", &sec) != 1)
961 if (loc != (locale_t)0)
970 static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
971 httpd_message_t *answer, const httpd_message_t *query )
973 vod_media_t *p_media = (vod_media_t*)p_args;
974 vod_t *p_vod = p_media->p_vod;
975 const char *psz_transport = NULL;
976 const char *psz_playnow = NULL; /* support option: x-playNow */
977 const char *psz_session = NULL;
978 const char *psz_cseq = NULL;
979 rtsp_client_t *p_rtsp;
983 if( answer == NULL || query == NULL ) return VLC_SUCCESS;
985 msg_Dbg( p_vod, "RtspCallback query: type=%d", query->i_type );
987 answer->i_proto = HTTPD_PROTO_RTSP;
988 answer->i_version = query->i_version;
989 answer->i_type = HTTPD_MSG_ANSWER;
991 answer->p_body = NULL;
993 switch( query->i_type )
995 case HTTPD_MSG_SETUP:
997 psz_playnow = httpd_MsgGet( query, "x-playNow" );
998 psz_transport = httpd_MsgGet( query, "Transport" );
999 if( psz_transport == NULL )
1001 answer->i_status = 400;
1004 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: transport=%s", psz_transport );
1006 if( strstr( psz_transport, "unicast" ) &&
1007 strstr( psz_transport, "client_port=" ) )
1009 rtsp_client_t *p_rtsp = NULL;
1010 char ip[NI_MAXNUMERICHOST];
1011 i_port = atoi( strstr( psz_transport, "client_port=" ) +
1012 strlen("client_port=") );
1014 if( strstr( psz_transport, "MP2T/H2221/UDP" ) ||
1015 strstr( psz_transport, "RAW/RAW/UDP" ) )
1017 free( p_media->psz_mux );
1018 p_media->psz_mux = NULL;
1019 p_media->psz_mux = strdup( p_vod->p_sys->psz_raw_mux );
1020 p_media->b_raw = true;
1023 if( httpd_ClientIP( cl, ip ) == NULL )
1025 answer->i_status = 500;
1027 answer->p_body = NULL;
1031 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: unicast ip=%s port=%d",
1034 psz_session = httpd_MsgGet( query, "Session" );
1035 if( !psz_session || !*psz_session )
1038 if( ( p_vod->p_sys->i_throttle_users > 0 ) &&
1039 ( p_vod->p_sys->i_connections >= p_vod->p_sys->i_throttle_users ) )
1041 answer->i_status = 503;
1043 answer->p_body = NULL;
1046 if( asprintf( &psz_new, "%d", rand() ) < 0 )
1048 psz_session = psz_new;
1050 p_rtsp = RtspClientNew( p_media, psz_new );
1053 answer->i_status = 454;
1055 answer->p_body = NULL;
1061 p_rtsp = RtspClientGet( p_media, psz_session );
1064 answer->i_status = 454;
1066 answer->p_body = NULL;
1071 answer->i_status = 200;
1073 answer->p_body = NULL;
1075 if( p_media->b_raw )
1077 if( strstr( psz_transport, "MP2T/H2221/UDP" ) )
1079 httpd_MsgAdd( answer, "Transport",
1080 "MP2T/H2221/UDP;unicast;client_port=%d-%d",
1081 i_port, i_port + 1 );
1083 else if( strstr( psz_transport, "RAW/RAW/UDP" ) )
1085 httpd_MsgAdd( answer, "Transport",
1086 "RAW/RAW/UDP;unicast;client_port=%d-%d",
1087 i_port, i_port + 1 );
1091 httpd_MsgAdd( answer, "Transport",
1092 "RTP/AVP/UDP;unicast;client_port=%d-%d",
1093 i_port, i_port + 1 );
1095 else /* TODO strstr( psz_transport, "interleaved" ) ) */
1097 answer->i_status = 461;
1099 answer->p_body = NULL;
1102 /* Intentional fall-through on x-playNow option in RTSP request */
1107 case HTTPD_MSG_PLAY:
1109 char *psz_output, ip[NI_MAXNUMERICHOST];
1110 int i, i_port_audio = 0, i_port_video = 0;
1112 /* for now only multicast so easy */
1115 answer->i_status = 200;
1117 answer->p_body = NULL;
1121 psz_session = httpd_MsgGet( query, "Session" );
1122 msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session );
1124 p_rtsp = RtspClientGet( p_media, psz_session );
1127 answer->i_status = 500;
1129 answer->p_body = NULL;
1133 if( p_rtsp->b_playing )
1135 const char *psz_position = httpd_MsgGet( query, "Range" );
1136 const char *psz_scale = httpd_MsgGet( query, "Scale" );
1138 psz_position = strstr( psz_position, "npt=" );
1139 if( psz_position && !psz_scale )
1141 double f_pos = ParseNPT (psz_position + 4);
1142 msg_Dbg( p_vod, "seeking request: %s", psz_position );
1143 f_pos /= ((double)(p_media->i_length))/1000 /1000 / 100;
1144 CommandPush( p_vod, RTSP_CMD_TYPE_SEEK, p_media,
1145 psz_session, f_pos, NULL );
1150 double f_scale = 0.0;
1153 f_scale = us_strtod( psz_scale, &end );
1154 if( end > psz_scale )
1156 f_scale = (f_scale * 30.0);
1157 if( psz_scale[0] == '-' ) /* rewind */
1159 msg_Dbg( p_vod, "rewind request: %s", psz_scale );
1160 CommandPush( p_vod, RTSP_CMD_TYPE_REWIND, p_media,
1161 psz_session, f_scale, NULL );
1163 else if(psz_scale[0] != '1' ) /* fast-forward */
1165 msg_Dbg( p_vod, "fastforward request: %s",
1167 CommandPush( p_vod, RTSP_CMD_TYPE_FORWARD, p_media,
1168 psz_session, f_scale, NULL );
1171 if( p_rtsp->b_paused == true )
1173 p_rtsp->b_paused = false;
1174 CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media,
1175 psz_session, 0, NULL );
1182 if( p_rtsp->b_playing && p_rtsp->b_paused )
1184 CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media,
1185 psz_session, 0, NULL );
1186 p_rtsp->b_paused = false;
1189 else if( p_rtsp->b_playing ) break;
1191 if( httpd_ClientIP( cl, ip ) == NULL ) break;
1193 p_rtsp->b_playing = true;
1195 /* FIXME for != 1 video and 1 audio */
1196 for( i = 0; i < p_rtsp->i_es; i++ )
1198 if( p_rtsp->es[i]->p_media_es->fmt.i_cat == AUDIO_ES )
1199 i_port_audio = p_rtsp->es[i]->i_port;
1200 if( p_rtsp->es[i]->p_media_es->fmt.i_cat == VIDEO_ES )
1201 i_port_video = p_rtsp->es[i]->i_port;
1204 if( p_media->psz_mux )
1206 if( p_media->b_raw )
1208 if( asprintf( &psz_output,
1209 "std{access=udp,dst=%s:%i,mux=%s}",
1210 ip, i_port, p_media->psz_mux ) < 0 )
1215 if( asprintf( &psz_output,
1216 "rtp{dst=%s,port=%i,mux=%s}",
1217 ip, i_port_video, p_media->psz_mux ) < 0 )
1223 if( asprintf( &psz_output,
1224 "rtp{dst=%s,port-video=%i,port-audio=%i}",
1225 ip, i_port_video, i_port_audio ) < 0 )
1229 CommandPush( p_vod, RTSP_CMD_TYPE_PLAY, p_media, psz_session,
1235 case HTTPD_MSG_DESCRIBE:
1238 SDPGenerate( p_media, cl );
1240 if( psz_sdp != NULL )
1242 answer->i_status = 200;
1243 httpd_MsgAdd( answer, "Content-type", "%s",
1244 "application/sdp" );
1246 answer->p_body = (uint8_t *)psz_sdp;
1247 answer->i_body = strlen( psz_sdp );
1251 answer->i_status = 500;
1252 answer->p_body = NULL;
1258 case HTTPD_MSG_PAUSE:
1259 psz_session = httpd_MsgGet( query, "Session" );
1260 msg_Dbg( p_vod, "HTTPD_MSG_PAUSE for session: %s", psz_session );
1262 p_rtsp = RtspClientGet( p_media, psz_session );
1263 if( !p_rtsp ) break;
1265 CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, psz_session,
1267 p_rtsp->b_paused = true;
1269 answer->i_status = 200;
1271 answer->p_body = NULL;
1274 case HTTPD_MSG_TEARDOWN:
1275 /* for now only multicast so easy again */
1276 answer->i_status = 200;
1278 answer->p_body = NULL;
1280 psz_session = httpd_MsgGet( query, "Session" );
1281 msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
1283 p_rtsp = RtspClientGet( p_media, psz_session );
1284 if( !p_rtsp ) break;
1286 CommandPush( p_vod, RTSP_CMD_TYPE_STOP, p_media, psz_session,
1288 RtspClientDel( p_media, p_rtsp );
1291 case HTTPD_MSG_GETPARAMETER:
1292 answer->i_status = 200;
1294 answer->p_body = NULL;
1298 return VLC_EGENERIC;
1301 httpd_MsgAdd( answer, "Server", "VLC Server" );
1302 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1303 psz_cseq = httpd_MsgGet( query, "Cseq" );
1304 psz_cseq ? i_cseq = atoi( psz_cseq ) : 0;
1305 httpd_MsgAdd( answer, "CSeq", "%d", i_cseq );
1306 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1310 if( p_media->p_vod->p_sys->i_session_timeout >= 0 )
1311 httpd_MsgAdd( answer, "Session", "%s;timeout=%i", psz_session,
1312 p_media->p_vod->p_sys->i_session_timeout );
1314 httpd_MsgAdd( answer, "Session", "%s", psz_session );
1320 static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl,
1321 httpd_message_t *answer,
1322 const httpd_message_t *query )
1324 media_es_t *p_es = (media_es_t*)p_args;
1325 vod_media_t *p_media = p_es->p_media;
1326 vod_t *p_vod = p_media->p_vod;
1327 rtsp_client_t *p_rtsp = NULL;
1328 const char *psz_transport = NULL;
1329 const char *psz_playnow = NULL; /* support option: x-playNow */
1330 const char *psz_session = NULL;
1331 const char *psz_position = NULL;
1332 const char *psz_cseq = NULL;
1336 if( answer == NULL || query == NULL ) return VLC_SUCCESS;
1338 msg_Dbg( p_vod, "RtspCallback query: type=%d", query->i_type );
1340 answer->i_proto = HTTPD_PROTO_RTSP;
1341 answer->i_version = query->i_version;
1342 answer->i_type = HTTPD_MSG_ANSWER;
1344 answer->p_body = NULL;
1346 switch( query->i_type )
1348 case HTTPD_MSG_SETUP:
1349 psz_playnow = httpd_MsgGet( query, "x-playNow" );
1350 psz_transport = httpd_MsgGet( query, "Transport" );
1352 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: transport=%s", psz_transport );
1354 if( strstr( psz_transport, "unicast" ) &&
1355 strstr( psz_transport, "client_port=" ) )
1357 rtsp_client_t *p_rtsp = NULL;
1358 rtsp_client_es_t *p_rtsp_es = NULL;
1359 char ip[NI_MAXNUMERICHOST];
1360 int i_port = atoi( strstr( psz_transport, "client_port=" ) +
1361 strlen("client_port=") );
1363 if( httpd_ClientIP( cl, ip ) == NULL )
1365 answer->i_status = 500;
1367 answer->p_body = NULL;
1371 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: unicast ip=%s port=%d",
1374 psz_session = httpd_MsgGet( query, "Session" );
1375 if( !psz_session || !*psz_session )
1378 if( ( p_vod->p_sys->i_throttle_users > 0 ) &&
1379 ( p_vod->p_sys->i_connections >= p_vod->p_sys->i_throttle_users ) )
1381 answer->i_status = 503;
1383 answer->p_body = NULL;
1386 if( asprintf( &psz_new, "%d", rand() ) < 0 )
1388 psz_session = psz_new;
1390 p_rtsp = RtspClientNew( p_media, psz_new );
1394 p_rtsp = RtspClientGet( p_media, psz_session );
1397 answer->i_status = 454;
1399 answer->p_body = NULL;
1404 p_rtsp_es = malloc( sizeof(rtsp_client_es_t) );
1407 answer->i_status = 500;
1409 answer->p_body = NULL;
1412 p_rtsp_es->i_port = i_port;
1413 p_rtsp_es->psz_ip = strdup( ip );
1414 p_rtsp_es->p_media_es = p_es;
1415 TAB_APPEND( p_rtsp->i_es, p_rtsp->es, p_rtsp_es );
1417 answer->i_status = 200;
1419 answer->p_body = NULL;
1421 if( p_media->b_raw )
1423 if( strstr( psz_transport, "MP2T/H2221/UDP" ) )
1425 httpd_MsgAdd( answer, "Transport",
1426 "MP2T/H2221/UDP;client_port=%d-%d",
1427 p_rtsp_es->i_port, p_rtsp_es->i_port + 1 );
1429 else if( strstr( psz_transport, "RAW/RAW/UDP" ) )
1431 httpd_MsgAdd( answer, "Transport",
1432 "RAW/RAW/UDP;client_port=%d-%d",
1433 p_rtsp_es->i_port, p_rtsp_es->i_port + 1 );
1438 httpd_MsgAdd( answer, "Transport",
1439 "RTP/AVP/UDP;client_port=%d-%d",
1440 p_rtsp_es->i_port, p_rtsp_es->i_port + 1 );
1443 else /* TODO strstr( psz_transport, "interleaved" ) ) */
1445 answer->i_status = 461;
1447 answer->p_body = NULL;
1450 /* Intentional fall-through on x-playNow option in RTSP request */
1454 case HTTPD_MSG_PLAY:
1455 /* This is kind of a kludge. Should we only support Aggregate
1457 psz_session = httpd_MsgGet( query, "Session" );
1458 msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session );
1460 p_rtsp = RtspClientGet( p_media, psz_session );
1462 psz_position = httpd_MsgGet( query, "Range" );
1463 if( psz_position ) psz_position = strstr( psz_position, "npt=" );
1466 double f_pos = ParseNPT (psz_position + 4);
1467 msg_Dbg( p_vod, "seeking request: %s", psz_position );
1468 f_pos /= ((double)(p_media->i_length))/1000 /1000 / 100;
1469 CommandPush( p_vod, RTSP_CMD_TYPE_SEEK, p_media,
1470 psz_session, f_pos, NULL );
1475 answer->i_status = 200;
1477 answer->p_body = NULL;
1481 case HTTPD_MSG_TEARDOWN:
1482 answer->i_status = 200;
1484 answer->p_body = NULL;
1486 psz_session = httpd_MsgGet( query, "Session" );
1487 msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
1489 p_rtsp = RtspClientGet( p_media, psz_session );
1490 if( !p_rtsp ) break;
1492 for( i = 0; i < p_rtsp->i_es; i++ )
1494 if( p_rtsp->es[i]->p_media_es == p_es )
1496 free( p_rtsp->es[i]->psz_ip );
1497 TAB_REMOVE( p_rtsp->i_es, p_rtsp->es, p_rtsp->es[i] );
1504 CommandPush( p_vod, RTSP_CMD_TYPE_STOP, p_media, psz_session,
1506 RtspClientDel( p_media, p_rtsp );
1510 case HTTPD_MSG_PAUSE:
1511 /* This is kind of a kludge. Should we only support Aggregate
1513 psz_session = httpd_MsgGet( query, "Session" );
1514 msg_Dbg( p_vod, "HTTPD_MSG_PAUSE for session: %s", psz_session );
1516 p_rtsp = RtspClientGet( p_media, psz_session );
1517 if( !p_rtsp ) break;
1519 CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, psz_session,
1521 p_rtsp->b_paused = true;
1523 answer->i_status = 200;
1525 answer->p_body = NULL;
1529 return VLC_EGENERIC;
1533 httpd_MsgAdd( answer, "Server", "VLC Server" );
1534 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1535 psz_cseq = httpd_MsgGet( query, "Cseq" );
1537 i_cseq = atoi( psz_cseq );
1540 httpd_MsgAdd( answer, "Cseq", "%d", i_cseq );
1541 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1544 httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
1549 /*****************************************************************************
1551 * FIXME: need to be moved to a common place ?
1552 *****************************************************************************/
1553 static char *SDPGenerate( const vod_media_t *p_media, httpd_client_t *cl )
1556 char *p, *psz_sdp, ip[NI_MAXNUMERICHOST], ipv;
1557 const char *psz_control;
1559 if( httpd_ServerIP( cl, ip ) == NULL )
1562 p = strchr( ip, '%' );
1564 *p = '\0'; /* remove scope if present */
1566 ipv = ( strchr( ip, ':' ) != NULL ) ? '6' : '4';
1568 /* Calculate size */
1569 i_size = sizeof( "v=0\r\n" ) +
1570 sizeof( "o=- * * IN IP4 \r\n" ) + 10 + NI_MAXNUMERICHOST +
1571 sizeof( "s=*\r\n" ) + strlen( p_media->psz_session_name ) +
1572 sizeof( "i=*\r\n" ) + strlen( p_media->psz_session_description ) +
1573 sizeof( "u=*\r\n" ) + strlen( p_media->psz_session_url ) +
1574 sizeof( "e=*\r\n" ) + strlen( p_media->psz_session_email ) +
1575 sizeof( "c=IN IP4 0.0.0.0\r\n" ) + 20 + 10 +
1576 sizeof( "t=0 0\r\n" ) + /* FIXME */
1577 sizeof( "a=tool:"PACKAGE_STRING"\r\n" ) +
1578 sizeof( "a=range:npt=0-1000000000.000\r\n" );
1580 psz_control = (ipv == '6') ? p_media->psz_rtsp_control_v6
1581 : p_media->psz_rtsp_control_v4;
1582 for( i = 0; i < p_media->i_es; i++ )
1584 media_es_t *p_es = p_media->es[i];
1586 i_size += sizeof( "m=**d*o * RTP/AVP *\r\n" ) + 19;
1587 if( p_es->psz_rtpmap )
1589 i_size += sizeof( "a=rtpmap:* *\r\n" ) +
1590 strlen( p_es->psz_rtpmap ) + 9;
1592 if( p_es->psz_fmtp )
1594 i_size += sizeof( "a=fmtp:* *\r\n" ) +
1595 strlen( p_es->psz_fmtp ) + 9;
1598 i_size += (strlen( psz_control ) + strlen( ip ) + 9) * p_media->i_es;
1600 p = psz_sdp = malloc( i_size );
1601 p += sprintf( p, "v=0\r\n" );
1602 p += sprintf( p, "o=- %"PRId64" %d IN IP%c %s\r\n",
1603 p_media->i_sdp_id, p_media->i_sdp_version, ipv, ip );
1604 if( *p_media->psz_session_name )
1605 p += sprintf( p, "s=%s\r\n", p_media->psz_session_name );
1606 if( *p_media->psz_session_description )
1607 p += sprintf( p, "i=%s\r\n", p_media->psz_session_description );
1608 if( *p_media->psz_session_url )
1609 p += sprintf( p, "u=%s\r\n", p_media->psz_session_url );
1610 if( *p_media->psz_session_email )
1611 p += sprintf( p, "e=%s\r\n", p_media->psz_session_email );
1613 p += sprintf( p, "c=IN IP%c %s\r\n", ipv, ipv == '6' ? "::" : "0.0.0.0" );
1614 p += sprintf( p, "t=0 0\r\n" ); /* FIXME */
1615 p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" );
1617 if( p_media->i_length > 0 )
1619 lldiv_t d = lldiv( p_media->i_length / 1000, 1000 );
1620 p += sprintf( p, "a=range:npt=0-%lld.%03u\r\n", d.quot,
1624 for( i = 0; i < p_media->i_es; i++ )
1626 media_es_t *p_es = p_media->es[i];
1628 if( p_es->fmt.i_cat == AUDIO_ES )
1630 p += sprintf( p, "m=audio %d RTP/AVP %d\r\n",
1631 p_es->i_port, p_es->i_payload_type );
1633 else if( p_es->fmt.i_cat == VIDEO_ES )
1635 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
1636 p_es->i_port, p_es->i_payload_type );
1643 if( p_es->psz_rtpmap )
1645 p += sprintf( p, "a=rtpmap:%d %s\r\n", p_es->i_payload_type,
1648 if( p_es->psz_fmtp )
1650 p += sprintf( p, "a=fmtp:%d %s\r\n", p_es->i_payload_type,
1654 p += sprintf( p, psz_control, ip, i );