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_input.h>
35 #include <vlc_block.h>
37 #include "vlc_httpd.h"
40 #include <vlc_network.h>
41 #include <vlc_charset.h>
42 #include <vlc_strings.h>
44 /*****************************************************************************
46 *****************************************************************************/
47 static int Open ( vlc_object_t * );
48 static void Close( vlc_object_t * );
50 #define HOST_TEXT N_( "RTSP host address" )
51 #define HOST_LONGTEXT N_( \
52 "This defines the address, port and path the RTSP VOD server will listen " \
53 "on.\nSyntax is address:port/path. The default is to listen on all "\
54 "interfaces (address 0.0.0.0), on port 554, with no path.\nTo listen " \
55 "only on the local interface, use \"localhost\" as address." )
57 #define THROTLE_TEXT N_( "Maximum number of connections" )
58 #define THROTLE_LONGTEXT N_( "This limits the maximum number of clients " \
59 "that can connect to the RTSP VOD. 0 means no limit." )
61 #define RAWMUX_TEXT N_( "MUX for RAW RTSP transport" )
63 #define SESSION_TIMEOUT_TEXT N_( "Sets the timeout option in the RTSP " \
65 #define SESSION_TIMEOUT_LONGTEXT N_( "Defines what timeout option to add " \
66 "to the RTSP session ID string. Setting it to a negative number removes " \
67 "the timeout option entirely. This is needed by some IPTV STBs (such as " \
68 "those made by HansunTech) which get confused by it. The default is 5." )
71 set_shortname( _("RTSP VoD" ) );
72 set_description( _("RTSP VoD server") );
73 set_category( CAT_SOUT );
74 set_subcategory( SUBCAT_SOUT_VOD );
75 set_capability( "vod server", 1 );
76 set_callbacks( Open, Close );
77 add_shortcut( "rtsp" );
78 add_string ( "rtsp-host", NULL, NULL, HOST_TEXT, HOST_LONGTEXT, VLC_TRUE );
79 add_string( "rtsp-raw-mux", "ts", NULL, RAWMUX_TEXT, RAWMUX_TEXT, VLC_TRUE );
80 add_integer( "rtsp-throttle-users", 0, NULL, THROTLE_TEXT,
81 THROTLE_LONGTEXT, VLC_TRUE );
82 add_integer( "rtsp-session-timeout", 5, NULL, SESSION_TIMEOUT_TEXT,
83 SESSION_TIMEOUT_LONGTEXT, VLC_TRUE );
86 /*****************************************************************************
88 *****************************************************************************/
90 typedef struct media_es_t media_es_t;
94 media_es_t *p_media_es;
103 int64_t i_last; /* for timeout */
105 vlc_bool_t b_playing; /* is it in "play" state */
106 vlc_bool_t b_paused; /* is it in "pause" state */
109 rtsp_client_es_t **es;
119 httpd_url_t *p_rtsp_url;
121 vod_media_t *p_media;
125 uint8_t i_payload_type;
139 httpd_url_t *p_rtsp_url;
140 char *psz_rtsp_control_v4;
141 char *psz_rtsp_control_v6;
153 vlc_bool_t b_multicast;
165 rtsp_client_t **rtsp;
168 char *psz_session_name;
169 char *psz_session_description;
170 char *psz_session_url;
171 char *psz_session_email;
178 httpd_host_t *p_rtsp_host;
181 int i_throttle_users;
186 int i_session_timeout;
189 vlc_mutex_t lock_media;
195 block_fifo_t *p_fifo_cmd;
198 /* rtsp delayed command (to avoid deadlock between vlm/httpd) */
201 RTSP_CMD_TYPE_NONE, /* Exit requested */
207 RTSP_CMD_TYPE_REWIND,
208 RTSP_CMD_TYPE_FORWARD,
211 static vod_media_t *MediaNew( vod_t *, const char *, input_item_t * );
212 static void MediaDel( vod_t *, vod_media_t * );
213 static int MediaAddES( vod_t *, vod_media_t *, es_format_t * );
214 static void MediaDelES( vod_t *, vod_media_t *, es_format_t * );
216 static void CommandThread( vlc_object_t *p_this );
217 static void CommandPush( vod_t *, rtsp_cmd_type_t, vod_media_t *, const char *psz_session,
218 double f_arg, const char *psz_arg );
220 static rtsp_client_t *RtspClientNew( vod_media_t *, char * );
221 static rtsp_client_t *RtspClientGet( vod_media_t *, const char * );
222 static void RtspClientDel( vod_media_t *, rtsp_client_t * );
224 static int RtspCallback( httpd_callback_sys_t *, httpd_client_t *,
225 httpd_message_t *, httpd_message_t * );
226 static int RtspCallbackES( httpd_callback_sys_t *, httpd_client_t *,
227 httpd_message_t *, httpd_message_t * );
229 static char *SDPGenerate( const vod_media_t *, httpd_client_t *cl );
231 static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
233 static const char hex[16] = "0123456789abcdef";
236 for( i = 0; i < i_data; i++ )
238 s[2*i+0] = hex[(p_data[i]>>4)&0xf];
239 s[2*i+1] = hex[(p_data[i] )&0xf];
244 /*****************************************************************************
245 * Open: Starts the RTSP server module
246 *****************************************************************************/
247 static int Open( vlc_object_t *p_this )
249 vod_t *p_vod = (vod_t *)p_this;
250 vod_sys_t *p_sys = 0;
254 psz_url = config_GetPsz( p_vod, "rtsp-host" );
255 vlc_UrlParse( &url, psz_url, 0 );
256 if( psz_url ) free( psz_url );
258 if( url.i_port <= 0 ) url.i_port = 554;
260 p_vod->p_sys = p_sys = malloc( sizeof( vod_sys_t ) );
261 if( !p_sys ) goto error;
262 p_sys->p_rtsp_host = 0;
264 p_sys->i_session_timeout = var_CreateGetInteger( p_this, "rtsp-session-timeout" );
266 p_sys->i_throttle_users = var_CreateGetInteger( p_this, "rtsp-throttle-users" );
267 msg_Dbg( p_this, "allowing up to %d connections", p_sys->i_throttle_users );
268 p_sys->i_connections = 0;
270 p_sys->psz_raw_mux = var_CreateGetString( p_this, "rtsp-raw-mux" );
273 httpd_HostNew( VLC_OBJECT(p_vod), url.psz_host, url.i_port );
274 if( !p_sys->p_rtsp_host )
276 msg_Err( p_vod, "cannot create RTSP server (%s:%i)",
277 url.psz_host, url.i_port );
281 p_sys->psz_path = strdup( url.psz_path ? url.psz_path : "/" );
282 p_sys->i_port = url.i_port;
284 vlc_UrlClean( &url );
286 vlc_mutex_init( p_vod, &p_sys->lock_media );
288 TAB_INIT( p_sys->i_media, p_sys->media );
289 p_sys->i_media_id = 0;
291 p_vod->pf_media_new = MediaNew;
292 p_vod->pf_media_del = MediaDel;
293 p_vod->pf_media_add_es = MediaAddES;
294 p_vod->pf_media_del_es = MediaDelES;
296 p_sys->p_fifo_cmd = block_FifoNew( p_vod );
297 if( vlc_thread_create( p_vod, "rtsp vod thread", CommandThread,
298 VLC_THREAD_PRIORITY_LOW, VLC_FALSE ) )
300 msg_Err( p_vod, "cannot spawn rtsp vod thread" );
301 block_FifoRelease( p_sys->p_fifo_cmd );
302 free( p_sys->psz_path );
309 if( p_sys && p_sys->p_rtsp_host ) httpd_HostDelete( p_sys->p_rtsp_host );
310 if( p_sys && p_sys->psz_raw_mux ) free( p_sys->psz_raw_mux );
311 if( p_sys ) free( p_sys );
312 vlc_UrlClean( &url );
317 /*****************************************************************************
319 *****************************************************************************/
320 static void Close( vlc_object_t * p_this )
322 vod_t *p_vod = (vod_t *)p_this;
323 vod_sys_t *p_sys = p_vod->p_sys;
325 /* Stop command thread */
326 vlc_object_kill( p_vod );
327 CommandPush( p_vod, RTSP_CMD_TYPE_NONE, NULL, NULL, 0.0, NULL );
328 vlc_thread_join( p_vod );
330 block_FifoRelease( p_sys->p_fifo_cmd );
332 httpd_HostDelete( p_sys->p_rtsp_host );
333 var_Destroy( p_this, "rtsp-session-timeout" );
334 var_Destroy( p_this, "rtsp-throttle-users" );
335 var_Destroy( p_this, "rtsp-raw-mux" );
337 /* Check VLM is not buggy */
338 if( p_sys->i_media > 0 )
339 msg_Err( p_vod, "rtsp vod leaking %d medias", p_sys->i_media );
340 TAB_CLEAN( p_sys->i_media, p_sys->media );
342 vlc_mutex_destroy( &p_sys->lock_media );
344 free( p_sys->psz_path );
345 free( p_sys->psz_raw_mux );
349 /*****************************************************************************
351 *****************************************************************************/
352 static vod_media_t *MediaNew( vod_t *p_vod, const char *psz_name,
353 input_item_t *p_item )
355 vod_sys_t *p_sys = p_vod->p_sys;
356 vod_media_t *p_media = malloc( sizeof(vod_media_t) );
361 msg_Err( p_vod, "not enough memory" );
365 memset( p_media, 0, sizeof(vod_media_t) );
366 p_media->id = p_sys->i_media_id++;
367 TAB_INIT( p_media->i_es, p_media->es );
368 p_media->psz_mux = 0;
369 TAB_INIT( p_media->i_rtsp, p_media->rtsp );
370 p_media->b_raw = VLC_FALSE;
372 asprintf( &p_media->psz_rtsp_path, "%s%s", p_sys->psz_path, psz_name );
373 p_media->p_rtsp_url =
374 httpd_UrlNewUnique( p_sys->p_rtsp_host, p_media->psz_rtsp_path, NULL,
377 if( !p_media->p_rtsp_url )
379 msg_Err( p_vod, "cannot create RTSP url (%s)", p_media->psz_rtsp_path);
380 free( p_media->psz_rtsp_path );
385 msg_Dbg( p_vod, "created RTSP url: %s", p_media->psz_rtsp_path );
387 asprintf( &p_media->psz_rtsp_control_v4,
388 "a=control:rtsp://%%s:%d%s/trackID=%%d\r\n",
389 p_sys->i_port, p_media->psz_rtsp_path );
390 asprintf( &p_media->psz_rtsp_control_v6,
391 "a=control:rtsp://[%%s]:%d%s/trackID=%%d\r\n",
392 p_sys->i_port, p_media->psz_rtsp_path );
394 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_SETUP,
395 RtspCallback, (void*)p_media );
396 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_DESCRIBE,
397 RtspCallback, (void*)p_media );
398 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_PLAY,
399 RtspCallback, (void*)p_media );
400 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_PAUSE,
401 RtspCallback, (void*)p_media );
402 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_GETPARAMETER,
403 RtspCallback, (void*)p_media );
404 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_TEARDOWN,
405 RtspCallback, (void*)p_media );
407 p_media->p_vod = p_vod;
409 vlc_mutex_lock( &p_sys->lock_media );
410 TAB_APPEND( p_sys->i_media, p_sys->media, p_media );
411 vlc_mutex_unlock( &p_sys->lock_media );
413 vlc_mutex_init( p_vod, &p_media->lock );
414 p_media->psz_session_name = strdup("");
415 p_media->psz_session_description = strdup("");
416 p_media->psz_session_url = strdup("");
417 p_media->psz_session_email = strdup("");
419 p_media->i_port_audio = 1234;
420 p_media->i_port_video = 1236;
421 p_media->i_port = 1238;
422 p_media->i_payload_type = 96;
424 p_media->i_sdp_id = mdate();
425 p_media->i_sdp_version = 1;
426 p_media->i_length = p_item->i_duration;
428 vlc_mutex_lock( &p_item->lock );
429 msg_Dbg( p_vod, "media has %i declared ES", p_item->i_es );
430 for( i = 0; i < p_item->i_es; i++ )
432 MediaAddES( p_vod, p_media, p_item->es[i] );
434 vlc_mutex_unlock( &p_item->lock );
439 static void MediaDel( vod_t *p_vod, vod_media_t *p_media )
441 vod_sys_t *p_sys = p_vod->p_sys;
443 msg_Dbg( p_vod, "deleting media: %s", p_media->psz_rtsp_path );
445 vlc_mutex_lock( &p_sys->lock_media );
446 TAB_REMOVE( p_sys->i_media, p_sys->media, p_media );
447 vlc_mutex_unlock( &p_sys->lock_media );
449 while( p_media->i_rtsp > 0 )
450 RtspClientDel( p_media, p_media->rtsp[0] );
451 TAB_CLEAN( p_media->i_rtsp, p_media->rtsp );
453 httpd_UrlDelete( p_media->p_rtsp_url );
454 if( p_media->psz_rtsp_path ) free( p_media->psz_rtsp_path );
455 if( p_media->psz_rtsp_control_v6 ) free( p_media->psz_rtsp_control_v6 );
456 if( p_media->psz_rtsp_control_v4 ) free( p_media->psz_rtsp_control_v4 );
458 while( p_media->i_es )
459 MediaDelES( p_vod, p_media, &p_media->es[0]->fmt );
460 TAB_CLEAN( p_media->i_es, p_media->es );
462 vlc_mutex_destroy( &p_media->lock );
464 if( p_media->psz_session_name ) free( p_media->psz_session_name );
465 if( p_media->psz_session_description ) free( p_media->psz_session_description );
466 if( p_media->psz_session_url ) free( p_media->psz_session_url );
467 if( p_media->psz_session_email ) free( p_media->psz_session_email );
468 if( p_media->psz_mux ) free( p_media->psz_mux );
472 static int MediaAddES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt )
474 media_es_t *p_es = malloc( sizeof(media_es_t) );
477 if( !p_es ) return VLC_ENOMEM;
478 memset( p_es, 0, sizeof(media_es_t) );
480 if( p_media->psz_mux ) free( p_media->psz_mux );
481 p_media->psz_mux = NULL;
483 /* TODO: update SDP, etc... */
484 asprintf( &psz_urlc, "%s/trackID=%d",
485 p_media->psz_rtsp_path, p_media->i_es );
486 msg_Dbg( p_vod, " - ES %4.4s (%s)", (char *)&p_fmt->i_codec, psz_urlc );
488 switch( p_fmt->i_codec )
490 case VLC_FOURCC( 's', '1', '6', 'b' ):
491 if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
493 p_es->i_payload_type = 11;
495 else if( p_fmt->audio.i_channels == 2 && p_fmt->audio.i_rate == 44100 )
497 p_es->i_payload_type = 10;
501 p_es->i_payload_type = p_media->i_payload_type++;
503 p_es->psz_rtpmap = malloc( strlen( "L16/*/*" ) + 20+1 );
504 sprintf( p_es->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
505 p_fmt->audio.i_channels );
507 case VLC_FOURCC( 'u', '8', ' ', ' ' ):
508 p_es->i_payload_type = p_media->i_payload_type++;
509 p_es->psz_rtpmap = malloc( strlen( "L8/*/*" ) + 20+1 );
510 sprintf( p_es->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
511 p_fmt->audio.i_channels );
513 case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
514 p_es->i_payload_type = 14;
515 p_es->psz_rtpmap = strdup( "MPA/90000" );
517 case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
518 p_es->i_payload_type = 32;
519 p_es->psz_rtpmap = strdup( "MPV/90000" );
521 case VLC_FOURCC( 'a', '5', '2', ' ' ):
522 p_es->i_payload_type = p_media->i_payload_type++;
523 p_es->psz_rtpmap = strdup( "ac3/90000" );
525 case VLC_FOURCC( 'H', '2', '6', '3' ):
526 p_es->i_payload_type = p_media->i_payload_type++;
527 p_es->psz_rtpmap = strdup( "H263-1998/90000" );
529 case VLC_FOURCC( 'h', '2', '6', '4' ):
530 p_es->i_payload_type = p_media->i_payload_type++;
531 p_es->psz_rtpmap = strdup( "H264/90000" );
532 p_es->psz_fmtp = NULL;
533 /* FIXME AAAAAAAAAAAARRRRRRRRGGGG copied from stream_out/rtp.c */
534 if( p_fmt->i_extra > 0 )
536 uint8_t *p_buffer = p_fmt->p_extra;
537 int i_buffer = p_fmt->i_extra;
538 char *p_64_sps = NULL;
539 char *p_64_pps = NULL;
542 while( i_buffer > 4 &&
543 p_buffer[0] == 0 && p_buffer[1] == 0 &&
544 p_buffer[2] == 0 && p_buffer[3] == 1 )
546 const int i_nal_type = p_buffer[4]&0x1f;
551 for( i_offset = 4; i_offset+3 < i_buffer ; i_offset++)
553 if( p_buffer[i_offset] == 0 && p_buffer[i_offset+1] == 0 && p_buffer[i_offset+2] == 0 && p_buffer[i_offset+3] == 1 )
555 /* we found another startcode */
560 if( i_nal_type == 7 )
562 p_64_sps = vlc_b64_encode_binary( &p_buffer[4], i_size - 4 );
563 sprintf_hexa( hexa, &p_buffer[5], 3 );
565 else if( i_nal_type == 8 )
567 p_64_pps = vlc_b64_encode_binary( &p_buffer[4], i_size - 4 );
573 if( p_64_sps && p_64_pps )
574 asprintf( &p_es->psz_fmtp, "packetization-mode=1;profile-level-id=%s;sprop-parameter-sets=%s,%s;", hexa, p_64_sps, p_64_pps );
580 if( !p_es->psz_fmtp )
581 p_es->psz_fmtp = strdup( "packetization-mode=1" );
583 case VLC_FOURCC( 'm', 'p', '4', 'v' ):
584 p_es->i_payload_type = p_media->i_payload_type++;
585 p_es->psz_rtpmap = strdup( "MP4V-ES/90000" );
586 if( p_fmt->i_extra > 0 )
588 char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
589 p_es->psz_fmtp = malloc( 100 + 2 * p_fmt->i_extra );
590 sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
591 sprintf( p_es->psz_fmtp,
592 "profile-level-id=3; config=%s;", p_hexa );
596 case VLC_FOURCC( 'm', 'p', '4', 'a' ):
597 p_es->i_payload_type = p_media->i_payload_type++;
598 p_es->psz_rtpmap = malloc( strlen( "mpeg4-generic/" ) + 12 );
599 sprintf( p_es->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate );
600 if( p_fmt->i_extra > 0 )
602 char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
603 p_es->psz_fmtp = malloc( 200 + 2 * p_fmt->i_extra );
604 sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
605 sprintf( p_es->psz_fmtp,
606 "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
607 "config=%s; SizeLength=13;IndexLength=3; "
608 "IndexDeltaLength=3; Profile=1;", p_hexa );
612 case VLC_FOURCC( 'm', 'p', '2', 't' ):
613 p_media->psz_mux = strdup("ts");
614 p_es->i_payload_type = 33;
615 p_es->psz_rtpmap = strdup( "MP2T/90000" );
617 case VLC_FOURCC( 'm', 'p', '2', 'p' ):
618 p_media->psz_mux = strdup("ps");
619 p_es->i_payload_type = p_media->i_payload_type++;
620 p_es->psz_rtpmap = strdup( "MP2P/90000" );
622 case VLC_FOURCC( 's', 'a', 'm', 'r' ):
623 p_es->i_payload_type = p_media->i_payload_type++;
624 p_es->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
625 "AMR/8000/2" : "AMR/8000" );
626 p_es->psz_fmtp = strdup( "octet-align=1" );
628 case VLC_FOURCC( 's', 'a', 'w', 'b' ):
629 p_es->i_payload_type = p_media->i_payload_type++;
630 p_es->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
631 "AMR-WB/16000/2" : "AMR-WB/16000" );
632 p_es->psz_fmtp = strdup( "octet-align=1" );
636 msg_Err( p_vod, "cannot add this stream (unsupported "
637 "codec: %4.4s)", (char*)&p_fmt->i_codec );
643 httpd_UrlNewUnique( p_vod->p_sys->p_rtsp_host, psz_urlc, NULL, NULL,
646 if( !p_es->p_rtsp_url )
648 msg_Err( p_vod, "cannot create RTSP url (%s)", psz_urlc );
655 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_SETUP,
656 RtspCallbackES, (void*)p_es );
657 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_TEARDOWN,
658 RtspCallbackES, (void*)p_es );
659 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PLAY,
660 RtspCallbackES, (void*)p_es );
661 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PAUSE,
662 RtspCallbackES, (void*)p_es );
664 es_format_Copy( &p_es->fmt, p_fmt );
666 p_es->p_media = p_media;
669 /* Choose the port */
670 if( p_fmt->i_cat == AUDIO_ES && p_media->i_port_audio > 0 )
672 p_es->i_port = p_media->i_port_audio;
673 p_media->i_port_audio = 0;
675 else if( p_fmt->i_cat == VIDEO_ES && p_media->i_port_video > 0 )
677 p_es->i_port = p_media->i_port_video;
678 p_media->i_port_video = 0;
680 while( !p_es->i_port )
682 if( p_media->i_port != p_media->i_port_audio &&
683 p_media->i_port != p_media->i_port_video )
685 p_es->i_port = p_media->i_port;
686 p_media->i_port += 2;
689 p_media->i_port += 2;
696 vlc_mutex_lock( &p_media->lock );
697 TAB_APPEND( p_media->i_es, p_media->es, p_es );
698 vlc_mutex_unlock( &p_media->lock );
700 p_media->i_sdp_version++;
705 static void MediaDelES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt)
707 media_es_t *p_es = NULL;
711 for( i = 0; i < p_media->i_es; i++ )
713 if( p_media->es[i]->fmt.i_cat == p_fmt->i_cat &&
714 p_media->es[i]->fmt.i_codec == p_fmt->i_codec &&
715 p_media->es[i]->fmt.i_id == p_fmt->i_id )
717 p_es = p_media->es[i];
722 msg_Dbg( p_vod, " - Removing ES %4.4s", (char *)&p_fmt->i_codec );
724 vlc_mutex_lock( &p_media->lock );
725 TAB_REMOVE( p_media->i_es, p_media->es, p_es );
726 vlc_mutex_unlock( &p_media->lock );
728 if( p_es->psz_rtpmap ) free( p_es->psz_rtpmap );
729 if( p_es->psz_fmtp ) free( p_es->psz_fmtp );
730 p_media->i_sdp_version++;
732 if( p_es->p_rtsp_url ) httpd_UrlDelete( p_es->p_rtsp_url );
733 es_format_Clean( &p_es->fmt );
742 //vod_media_t *p_media;
748 static void CommandPush( vod_t *p_vod, rtsp_cmd_type_t i_type, vod_media_t *p_media, const char *psz_session,
749 double f_arg, const char *psz_arg )
754 memset( &cmd, 0, sizeof(cmd) );
757 cmd.i_media_id = p_media->id;
759 cmd.psz_session = strdup(psz_session);
762 cmd.psz_arg = strdup(psz_arg);
764 p_cmd = block_New( p_vod, sizeof(rtsp_cmd_t) );
765 memcpy( p_cmd->p_buffer, &cmd, sizeof(cmd) );
767 block_FifoPut( p_vod->p_sys->p_fifo_cmd, p_cmd );
770 static void CommandThread( vlc_object_t *p_this )
772 vod_t *p_vod = (vod_t*)p_this;
773 vod_sys_t *p_sys = p_vod->p_sys;
775 while( !p_vod->b_die )
777 block_t *p_block_cmd = block_FifoGet( p_sys->p_fifo_cmd );
779 vod_media_t *p_media = NULL;
785 memcpy( &cmd, p_block_cmd->p_buffer, sizeof(cmd) );
786 block_Release( p_block_cmd );
788 if( cmd.i_type == RTSP_CMD_TYPE_NONE )
792 vlc_mutex_lock( &p_sys->lock_media );
793 for( i = 0; i < p_sys->i_media; i++ )
795 if( p_sys->media[i]->id == cmd.i_media_id )
798 if( i >= p_sys->i_media )
800 p_media = p_sys->media[i];
804 case RTSP_CMD_TYPE_PLAY:
805 vod_MediaControl( p_vod, p_media, cmd.psz_session,
806 VOD_MEDIA_PLAY, cmd.psz_arg );
808 case RTSP_CMD_TYPE_PAUSE:
809 vod_MediaControl( p_vod, p_media, cmd.psz_session,
813 case RTSP_CMD_TYPE_STOP:
814 vod_MediaControl( p_vod, p_media, cmd.psz_session, VOD_MEDIA_STOP );
817 case RTSP_CMD_TYPE_SEEK:
818 vod_MediaControl( p_vod, p_media, cmd.psz_session,
819 VOD_MEDIA_SEEK, cmd.f_arg );
822 case RTSP_CMD_TYPE_REWIND:
823 vod_MediaControl( p_vod, p_media, cmd.psz_session,
824 VOD_MEDIA_REWIND, cmd.f_arg );
827 case RTSP_CMD_TYPE_FORWARD:
828 vod_MediaControl( p_vod, p_media, cmd.psz_session,
829 VOD_MEDIA_FORWARD, cmd.f_arg );
837 vlc_mutex_unlock( &p_sys->lock_media );
838 if( cmd.psz_session )
839 free( cmd.psz_session );
845 /****************************************************************************
846 * RTSP server implementation
847 ****************************************************************************/
848 static rtsp_client_t *RtspClientNew( vod_media_t *p_media, char *psz_session )
850 rtsp_client_t *p_rtsp = malloc( sizeof(rtsp_client_t) );
852 if( !p_rtsp ) return NULL;
853 memset( p_rtsp, 0, sizeof(rtsp_client_t) );
856 p_rtsp->psz_session = psz_session;
857 TAB_APPEND( p_media->i_rtsp, p_media->rtsp, p_rtsp );
859 p_media->p_vod->p_sys->i_connections++;
860 msg_Dbg( p_media->p_vod, "new session: %s, connections: %d",
861 psz_session, p_media->p_vod->p_sys->i_throttle_users );
866 static rtsp_client_t *RtspClientGet( vod_media_t *p_media, const char *psz_session )
870 for( i = 0; psz_session && i < p_media->i_rtsp; i++ )
872 if( !strcmp( p_media->rtsp[i]->psz_session, psz_session ) )
873 return p_media->rtsp[i];
879 static void RtspClientDel( vod_media_t *p_media, rtsp_client_t *p_rtsp )
881 p_media->p_vod->p_sys->i_connections--;
882 msg_Dbg( p_media->p_vod, "closing session: %s, connections: %d",
883 p_rtsp->psz_session, p_media->p_vod->p_sys->i_throttle_users );
885 while( p_rtsp->i_es-- )
887 if( p_rtsp->es[p_rtsp->i_es]->psz_ip )
888 free( p_rtsp->es[p_rtsp->i_es]->psz_ip );
889 free( p_rtsp->es[p_rtsp->i_es] );
890 if( !p_rtsp->i_es ) free( p_rtsp->es );
893 TAB_REMOVE( p_media->i_rtsp, p_media->rtsp, p_rtsp );
895 free( p_rtsp->psz_session );
899 static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
900 httpd_message_t *answer, httpd_message_t *query )
902 vod_media_t *p_media = (vod_media_t*)p_args;
903 vod_t *p_vod = p_media->p_vod;
904 const char *psz_transport = NULL;
905 const char *psz_playnow = NULL; /* support option: x-playNow */
906 const char *psz_session = NULL;
907 const char *psz_cseq = NULL;
908 rtsp_client_t *p_rtsp;
912 if( answer == NULL || query == NULL ) return VLC_SUCCESS;
914 msg_Dbg( p_vod, "RtspCallback query: type=%d", query->i_type );
916 answer->i_proto = HTTPD_PROTO_RTSP;
917 answer->i_version = query->i_version;
918 answer->i_type = HTTPD_MSG_ANSWER;
920 answer->p_body = NULL;
922 switch( query->i_type )
924 case HTTPD_MSG_SETUP:
926 psz_playnow = httpd_MsgGet( query, "x-playNow" );
927 psz_transport = httpd_MsgGet( query, "Transport" );
928 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: transport=%s", psz_transport );
930 if( strstr( psz_transport, "unicast" ) &&
931 strstr( psz_transport, "client_port=" ) )
933 rtsp_client_t *p_rtsp = NULL;
934 char ip[NI_MAXNUMERICHOST];
935 i_port = atoi( strstr( psz_transport, "client_port=" ) +
936 strlen("client_port=") );
938 if( strstr( psz_transport, "MP2T/H2221/UDP" ) ||
939 strstr( psz_transport, "RAW/RAW/UDP" ) )
941 if( p_media->psz_mux ) free( p_media->psz_mux );
942 p_media->psz_mux = NULL;
943 p_media->psz_mux = strdup( p_vod->p_sys->psz_raw_mux );
944 p_media->b_raw = VLC_TRUE;
947 if( httpd_ClientIP( cl, ip ) == NULL )
949 answer->i_status = 500;
950 answer->psz_status = strdup( "Internal server error" );
952 answer->p_body = NULL;
956 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: unicast ip=%s port=%d",
959 psz_session = httpd_MsgGet( query, "Session" );
960 if( !psz_session || !*psz_session )
963 if( ( p_vod->p_sys->i_throttle_users > 0 ) &&
964 ( p_vod->p_sys->i_connections >= p_vod->p_sys->i_throttle_users ) )
966 answer->i_status = 503;
967 answer->psz_status = strdup( "Too many connections" );
969 answer->p_body = NULL;
972 asprintf( &psz_new, "%d", rand() );
973 psz_session = psz_new;
975 p_rtsp = RtspClientNew( p_media, psz_new );
978 answer->i_status = 454;
979 answer->psz_status = strdup( "Unknown session id" );
981 answer->p_body = NULL;
987 p_rtsp = RtspClientGet( p_media, psz_session );
990 answer->i_status = 454;
991 answer->psz_status = strdup( "Unknown session id" );
993 answer->p_body = NULL;
998 answer->i_status = 200;
999 answer->psz_status = strdup( "OK" );
1001 answer->p_body = NULL;
1003 if( p_media->b_raw )
1005 if( strstr( psz_transport, "MP2T/H2221/UDP" ) )
1007 httpd_MsgAdd( answer, "Transport", "MP2T/H2221/UDP;client_port=%d-%d",
1008 i_port, i_port + 1 );
1010 else if( strstr( psz_transport, "RAW/RAW/UDP" ) )
1012 httpd_MsgAdd( answer, "Transport", "RAW/RAW/UDP;client_port=%d-%d",
1013 i_port, i_port + 1 );
1017 httpd_MsgAdd( answer, "Transport", "RTP/AVP/UDP;client_port=%d-%d",
1018 i_port, i_port + 1 );
1020 else /* TODO strstr( psz_transport, "interleaved" ) ) */
1022 answer->i_status = 461;
1023 answer->psz_status = strdup( "Unsupported Transport" );
1025 answer->p_body = NULL;
1028 /* Intentional fall-through on x-playNow option in RTSP request */
1033 case HTTPD_MSG_PLAY:
1035 char *psz_output, ip[NI_MAXNUMERICHOST];
1036 int i, i_port_audio = 0, i_port_video = 0;
1038 /* for now only multicast so easy */
1041 answer->i_status = 200;
1042 answer->psz_status = strdup( "OK" );
1044 answer->p_body = NULL;
1048 psz_session = httpd_MsgGet( query, "Session" );
1049 msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session );
1051 p_rtsp = RtspClientGet( p_media, psz_session );
1054 answer->i_status = 500;
1055 answer->psz_status = strdup( "Internal server error" );
1057 answer->p_body = NULL;
1061 if( p_rtsp->b_playing )
1063 const char *psz_position = httpd_MsgGet( query, "Range" );
1064 const char *psz_scale = httpd_MsgGet( query, "Scale" );
1065 if( psz_position ) psz_position = strstr( psz_position, "npt=" );
1066 if( psz_position && !psz_scale )
1071 msg_Dbg( p_vod, "seeking request: %s", psz_position );
1073 /* FIXME: npt= is not necessarily formatted as a float */
1074 f_pos = us_strtod( psz_position, &end );
1075 if( end > psz_position )
1077 f_pos /= ((double)(p_media->i_length))/1000 /1000 / 100;
1078 CommandPush( p_vod, RTSP_CMD_TYPE_SEEK, p_media, psz_session, f_pos, NULL );
1084 double f_scale = 0.0;
1087 f_scale = us_strtod( psz_scale, &end );
1088 if( end > psz_scale )
1090 f_scale = (f_scale * 30.0);
1091 if( psz_scale[0] == '-' ) /* rewind */
1093 msg_Dbg( p_vod, "rewind request: %s", psz_scale );
1094 CommandPush( p_vod, RTSP_CMD_TYPE_REWIND, p_media, psz_session, f_scale, NULL );
1096 else if(psz_scale[0] != '1' ) /* fast-forward */
1098 msg_Dbg( p_vod, "fastforward request: %s", psz_scale );
1099 CommandPush( p_vod, RTSP_CMD_TYPE_FORWARD, p_media, psz_session, f_scale, NULL );
1102 if( p_rtsp->b_paused == VLC_TRUE )
1104 p_rtsp->b_paused = VLC_FALSE;
1105 CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, psz_session, 0, NULL );
1112 if( p_rtsp->b_playing && p_rtsp->b_paused )
1114 CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, psz_session, 0, NULL );
1115 p_rtsp->b_paused = VLC_FALSE;
1118 else if( p_rtsp->b_playing ) break;
1120 if( httpd_ClientIP( cl, ip ) == NULL ) break;
1122 p_rtsp->b_playing = VLC_TRUE;
1124 /* FIXME for != 1 video and 1 audio */
1125 for( i = 0; i < p_rtsp->i_es; i++ )
1127 if( p_rtsp->es[i]->p_media_es->fmt.i_cat == AUDIO_ES )
1128 i_port_audio = p_rtsp->es[i]->i_port;
1129 if( p_rtsp->es[i]->p_media_es->fmt.i_cat == VIDEO_ES )
1130 i_port_video = p_rtsp->es[i]->i_port;
1133 if( p_media->psz_mux )
1135 if( p_media->b_raw )
1137 asprintf( &psz_output, "std{access=udp,dst=%s:%i,mux=%s}",
1138 ip, i_port, p_media->psz_mux );
1142 asprintf( &psz_output, "rtp{dst=%s,port=%i,mux=%s}",
1143 ip, i_port_video, p_media->psz_mux );
1148 asprintf( &psz_output, "rtp{dst=%s,port-video=%i,"
1149 "port-audio=%i}", ip, i_port_video, i_port_audio );
1152 CommandPush( p_vod, RTSP_CMD_TYPE_PLAY, p_media, psz_session, 0, psz_output );
1157 case HTTPD_MSG_DESCRIBE:
1160 SDPGenerate( p_media, cl );
1162 if( psz_sdp != NULL )
1164 answer->i_status = 200;
1165 answer->psz_status = strdup( "OK" );
1166 httpd_MsgAdd( answer, "Content-type", "%s", "application/sdp" );
1168 answer->p_body = (uint8_t *)psz_sdp;
1169 answer->i_body = strlen( psz_sdp );
1173 answer->i_status = 500;
1174 answer->psz_status = strdup( "Internal server error" );
1175 answer->p_body = NULL;
1181 case HTTPD_MSG_PAUSE:
1182 psz_session = httpd_MsgGet( query, "Session" );
1183 msg_Dbg( p_vod, "HTTPD_MSG_PAUSE for session: %s", psz_session );
1185 p_rtsp = RtspClientGet( p_media, psz_session );
1186 if( !p_rtsp ) break;
1188 CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, psz_session, 0, NULL );
1189 p_rtsp->b_paused = VLC_TRUE;
1191 answer->i_status = 200;
1192 answer->psz_status = strdup( "OK" );
1194 answer->p_body = NULL;
1197 case HTTPD_MSG_TEARDOWN:
1198 /* for now only multicast so easy again */
1199 answer->i_status = 200;
1200 answer->psz_status = strdup( "OK" );
1202 answer->p_body = NULL;
1204 psz_session = httpd_MsgGet( query, "Session" );
1205 msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
1207 p_rtsp = RtspClientGet( p_media, psz_session );
1208 if( !p_rtsp ) break;
1210 CommandPush( p_vod, RTSP_CMD_TYPE_STOP, p_media, psz_session, 0, NULL );
1211 RtspClientDel( p_media, p_rtsp );
1214 case HTTPD_MSG_GETPARAMETER:
1215 answer->i_status = 200;
1216 answer->psz_status = strdup( "OK" );
1218 answer->p_body = NULL;
1222 return VLC_EGENERIC;
1225 httpd_MsgAdd( answer, "Server", "VLC Server" );
1226 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1227 psz_cseq = httpd_MsgGet( query, "Cseq" );
1228 psz_cseq ? i_cseq = atoi( psz_cseq ) : 0;
1229 httpd_MsgAdd( answer, "CSeq", "%d", i_cseq );
1230 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1234 if( p_media->p_vod->p_sys->i_session_timeout >= 0 )
1235 httpd_MsgAdd( answer, "Session", "%s;timeout=%i", psz_session,
1236 p_media->p_vod->p_sys->i_session_timeout );
1238 httpd_MsgAdd( answer, "Session", "%s", psz_session );
1244 static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl,
1245 httpd_message_t *answer, httpd_message_t *query )
1247 media_es_t *p_es = (media_es_t*)p_args;
1248 vod_media_t *p_media = p_es->p_media;
1249 vod_t *p_vod = p_media->p_vod;
1250 rtsp_client_t *p_rtsp = NULL;
1251 const char *psz_transport = NULL;
1252 const char *psz_playnow = NULL; /* support option: x-playNow */
1253 const char *psz_session = NULL;
1254 const char *psz_position = NULL;
1255 const char *psz_cseq = NULL;
1259 if( answer == NULL || query == NULL ) return VLC_SUCCESS;
1261 msg_Dbg( p_vod, "RtspCallback query: type=%d", query->i_type );
1263 answer->i_proto = HTTPD_PROTO_RTSP;
1264 answer->i_version = query->i_version;
1265 answer->i_type = HTTPD_MSG_ANSWER;
1267 answer->p_body = NULL;
1269 switch( query->i_type )
1271 case HTTPD_MSG_SETUP:
1272 psz_playnow = httpd_MsgGet( query, "x-playNow" );
1273 psz_transport = httpd_MsgGet( query, "Transport" );
1275 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: transport=%s", psz_transport );
1277 if( strstr( psz_transport, "unicast" ) &&
1278 strstr( psz_transport, "client_port=" ) )
1280 rtsp_client_t *p_rtsp = NULL;
1281 rtsp_client_es_t *p_rtsp_es = NULL;
1282 char ip[NI_MAXNUMERICHOST];
1283 int i_port = atoi( strstr( psz_transport, "client_port=" ) +
1284 strlen("client_port=") );
1286 if( httpd_ClientIP( cl, ip ) == NULL )
1288 answer->i_status = 500;
1289 answer->psz_status = strdup( "Internal server error" );
1291 answer->p_body = NULL;
1295 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: unicast ip=%s port=%d",
1298 psz_session = httpd_MsgGet( query, "Session" );
1299 if( !psz_session || !*psz_session )
1302 if( ( p_vod->p_sys->i_throttle_users > 0 ) &&
1303 ( p_vod->p_sys->i_connections >= p_vod->p_sys->i_throttle_users ) )
1305 answer->i_status = 503;
1306 answer->psz_status = strdup( "Too many connections" );
1308 answer->p_body = NULL;
1311 asprintf( &psz_new, "%d", rand() );
1312 psz_session = psz_new;
1314 p_rtsp = RtspClientNew( p_media, psz_new );
1318 p_rtsp = RtspClientGet( p_media, psz_session );
1321 answer->i_status = 454;
1322 answer->psz_status = strdup( "Unknown session id" );
1324 answer->p_body = NULL;
1329 p_rtsp_es = malloc( sizeof(rtsp_client_es_t) );
1332 answer->i_status = 500;
1333 answer->psz_status = strdup( "Internal server error" );
1335 answer->p_body = NULL;
1338 p_rtsp_es->i_port = i_port;
1339 p_rtsp_es->psz_ip = strdup( ip );
1340 p_rtsp_es->p_media_es = p_es;
1341 TAB_APPEND( p_rtsp->i_es, p_rtsp->es, p_rtsp_es );
1343 answer->i_status = 200;
1344 answer->psz_status = strdup( "OK" );
1346 answer->p_body = NULL;
1348 if( p_media->b_raw )
1350 if( strstr( psz_transport, "MP2T/H2221/UDP" ) )
1352 httpd_MsgAdd( answer, "Transport", "MP2T/H2221/UDP;client_port=%d-%d",
1353 p_rtsp_es->i_port, p_rtsp_es->i_port + 1 );
1355 else if( strstr( psz_transport, "RAW/RAW/UDP" ) )
1357 httpd_MsgAdd( answer, "Transport", "RAW/RAW/UDP;client_port=%d-%d",
1358 p_rtsp_es->i_port, p_rtsp_es->i_port + 1 );
1363 httpd_MsgAdd( answer, "Transport", "RTP/AVP/UDP;client_port=%d-%d",
1364 p_rtsp_es->i_port, p_rtsp_es->i_port + 1 );
1367 else /* TODO strstr( psz_transport, "interleaved" ) ) */
1369 answer->i_status = 461;
1370 answer->psz_status = strdup( "Unsupported Transport" );
1372 answer->p_body = NULL;
1375 /* Intentional fall-through on x-playNow option in RTSP request */
1379 case HTTPD_MSG_PLAY:
1380 /* This is kind of a kludge. Should we only support Aggregate
1382 psz_session = httpd_MsgGet( query, "Session" );
1383 msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session );
1385 p_rtsp = RtspClientGet( p_media, psz_session );
1387 psz_position = httpd_MsgGet( query, "Range" );
1388 if( psz_position ) psz_position = strstr( psz_position, "npt=" );
1394 msg_Dbg( p_vod, "seeking request: %s", psz_position );
1397 /* FIXME: npt= is not necessarily formatted as a float */
1398 f_pos = us_strtod( psz_position, &end );
1399 if( end > psz_position )
1401 f_pos /= ((double)(p_media->i_length))/1000 /1000 / 100;
1402 CommandPush( p_vod, RTSP_CMD_TYPE_SEEK, p_media, psz_session, f_pos, NULL );
1408 answer->i_status = 200;
1409 answer->psz_status = strdup( "OK" );
1411 answer->p_body = NULL;
1415 case HTTPD_MSG_TEARDOWN:
1416 answer->i_status = 200;
1417 answer->psz_status = strdup( "OK" );
1419 answer->p_body = NULL;
1421 psz_session = httpd_MsgGet( query, "Session" );
1422 msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
1424 p_rtsp = RtspClientGet( p_media, psz_session );
1425 if( !p_rtsp ) break;
1427 for( i = 0; i < p_rtsp->i_es; i++ )
1429 if( p_rtsp->es[i]->p_media_es == p_es )
1431 if( p_rtsp->es[i]->psz_ip ) free( p_rtsp->es[i]->psz_ip );
1432 TAB_REMOVE( p_rtsp->i_es, p_rtsp->es, p_rtsp->es[i] );
1439 CommandPush( p_vod, RTSP_CMD_TYPE_STOP, p_media, psz_session, 0, NULL );
1440 RtspClientDel( p_media, p_rtsp );
1444 case HTTPD_MSG_PAUSE:
1445 /* This is kind of a kludge. Should we only support Aggregate
1447 psz_session = httpd_MsgGet( query, "Session" );
1448 msg_Dbg( p_vod, "HTTPD_MSG_PAUSE for session: %s", psz_session );
1450 p_rtsp = RtspClientGet( p_media, psz_session );
1451 if( !p_rtsp ) break;
1453 CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, psz_session, 0, NULL );
1454 p_rtsp->b_paused = VLC_TRUE;
1456 answer->i_status = 200;
1457 answer->psz_status = strdup( "OK" );
1459 answer->p_body = NULL;
1463 return VLC_EGENERIC;
1467 httpd_MsgAdd( answer, "Server", "VLC Server" );
1468 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1469 psz_cseq = httpd_MsgGet( query, "Cseq" );
1471 i_cseq = atoi( psz_cseq );
1474 httpd_MsgAdd( answer, "Cseq", "%d", i_cseq );
1475 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1478 httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
1483 /*****************************************************************************
1485 * FIXME: need to be moved to a common place ?
1486 *****************************************************************************/
1487 static char *SDPGenerate( const vod_media_t *p_media, httpd_client_t *cl )
1490 char *p, *psz_sdp, ip[NI_MAXNUMERICHOST], ipv;
1491 const char *psz_control;
1493 if( httpd_ServerIP( cl, ip ) == NULL )
1496 p = strchr( ip, '%' );
1498 *p = '\0'; /* remove scope if present */
1500 ipv = ( strchr( ip, ':' ) != NULL ) ? '6' : '4';
1502 /* Calculate size */
1503 i_size = sizeof( "v=0\r\n" ) +
1504 sizeof( "o=- * * IN IP4 \r\n" ) + 10 + NI_MAXNUMERICHOST +
1505 sizeof( "s=*\r\n" ) + strlen( p_media->psz_session_name ) +
1506 sizeof( "i=*\r\n" ) + strlen( p_media->psz_session_description ) +
1507 sizeof( "u=*\r\n" ) + strlen( p_media->psz_session_url ) +
1508 sizeof( "e=*\r\n" ) + strlen( p_media->psz_session_email ) +
1509 sizeof( "c=IN IP4 0.0.0.0\r\n" ) + 20 + 10 +
1510 sizeof( "t=0 0\r\n" ) + /* FIXME */
1511 sizeof( "a=tool:"PACKAGE_STRING"\r\n" ) +
1512 sizeof( "a=range:npt=0-1000000000.000\r\n" );
1514 psz_control = (ipv == '6') ? p_media->psz_rtsp_control_v6
1515 : p_media->psz_rtsp_control_v4;
1516 for( i = 0; i < p_media->i_es; i++ )
1518 media_es_t *p_es = p_media->es[i];
1520 i_size += sizeof( "m=**d*o * RTP/AVP *\r\n" ) + 19;
1521 if( p_es->psz_rtpmap )
1523 i_size += sizeof( "a=rtpmap:* *\r\n" ) +
1524 strlen( p_es->psz_rtpmap ) + 9;
1526 if( p_es->psz_fmtp )
1528 i_size += sizeof( "a=fmtp:* *\r\n" ) +
1529 strlen( p_es->psz_fmtp ) + 9;
1532 i_size += (strlen( psz_control ) + strlen( ip ) + 9) * p_media->i_es;
1534 p = psz_sdp = malloc( i_size );
1535 p += sprintf( p, "v=0\r\n" );
1536 p += sprintf( p, "o=- "I64Fd" %d IN IP%c %s\r\n",
1537 p_media->i_sdp_id, p_media->i_sdp_version, ipv, ip );
1538 if( *p_media->psz_session_name )
1539 p += sprintf( p, "s=%s\r\n", p_media->psz_session_name );
1540 if( *p_media->psz_session_description )
1541 p += sprintf( p, "i=%s\r\n", p_media->psz_session_description );
1542 if( *p_media->psz_session_url )
1543 p += sprintf( p, "u=%s\r\n", p_media->psz_session_url );
1544 if( *p_media->psz_session_email )
1545 p += sprintf( p, "e=%s\r\n", p_media->psz_session_email );
1547 p += sprintf( p, "c=IN IP%c %s\r\n", ipv, ipv == '6' ? "::" : "0.0.0.0" );
1548 p += sprintf( p, "t=0 0\r\n" ); /* FIXME */
1549 p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" );
1551 if( p_media->i_length > 0 )
1553 lldiv_t d = lldiv( p_media->i_length / 1000, 1000 );
1554 p += sprintf( p, "a=range:npt=0-%lld.%03u\r\n", d.quot,
1558 for( i = 0; i < p_media->i_es; i++ )
1560 media_es_t *p_es = p_media->es[i];
1562 if( p_es->fmt.i_cat == AUDIO_ES )
1564 p += sprintf( p, "m=audio %d RTP/AVP %d\r\n",
1565 p_es->i_port, p_es->i_payload_type );
1567 else if( p_es->fmt.i_cat == VIDEO_ES )
1569 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
1570 p_es->i_port, p_es->i_payload_type );
1577 if( p_es->psz_rtpmap )
1579 p += sprintf( p, "a=rtpmap:%d %s\r\n", p_es->i_payload_type,
1582 if( p_es->psz_fmtp )
1584 p += sprintf( p, "a=fmtp:%d %s\r\n", p_es->i_payload_type,
1588 p += sprintf( p, psz_control, ip, i );