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 THROTTLE_TEXT N_( "Maximum number of connections" )
70 #define THROTTLE_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, THROTTLE_TEXT,
94 THROTTLE_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 bool b_playing; /* is it in "play" state */
117 bool b_paused; /* is it in "pause" state */
120 rtsp_client_es_t **es;
130 httpd_url_t *p_rtsp_url;
132 vod_media_t *p_media;
135 uint8_t i_payload_type;
149 httpd_url_t *p_rtsp_url;
150 char *psz_rtsp_control_v4;
151 char *psz_rtsp_control_v6;
169 rtsp_client_t **rtsp;
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,
219 vod_media_t *p_media;
225 static vod_media_t *MediaNew( vod_t *, const char *, input_item_t * );
226 static void MediaDel( vod_t *, vod_media_t * );
227 static void MediaAskDel ( vod_t *, vod_media_t * );
228 static int MediaAddES( vod_t *, vod_media_t *, es_format_t * );
229 static void MediaDelES( vod_t *, vod_media_t *, es_format_t * );
231 static void* CommandThread( vlc_object_t *p_this );
232 static void CommandPush( vod_t *, rtsp_cmd_type_t, vod_media_t *, const char *psz_session,
233 double f_arg, const char *psz_arg );
235 static rtsp_client_t *RtspClientNew( vod_media_t *, char * );
236 static rtsp_client_t *RtspClientGet( vod_media_t *, const char * );
237 static void RtspClientDel( vod_media_t *, rtsp_client_t * );
239 static int RtspCallback( httpd_callback_sys_t *, httpd_client_t *,
240 httpd_message_t *, const httpd_message_t * );
241 static int RtspCallbackES( httpd_callback_sys_t *, httpd_client_t *,
242 httpd_message_t *, const httpd_message_t * );
244 static char *SDPGenerate( const vod_media_t *, httpd_client_t *cl );
246 static void sprintf_hexa( char *s, uint8_t *p_data, int i_data )
248 static const char hex[16] = "0123456789abcdef";
251 for( i = 0; i < i_data; i++ )
253 s[2*i+0] = hex[(p_data[i]>>4)&0xf];
254 s[2*i+1] = hex[(p_data[i] )&0xf];
259 /*****************************************************************************
260 * Open: Starts the RTSP server module
261 *****************************************************************************/
262 static int Open( vlc_object_t *p_this )
264 vod_t *p_vod = (vod_t *)p_this;
265 vod_sys_t *p_sys = NULL;
266 char *psz_url = NULL;
269 psz_url = config_GetPsz( p_vod, "rtsp-host" );
270 vlc_UrlParse( &url, psz_url, 0 );
273 if( url.i_port <= 0 ) url.i_port = 554;
275 p_vod->p_sys = p_sys = malloc( sizeof( vod_sys_t ) );
276 if( !p_sys ) goto error;
277 p_sys->p_rtsp_host = 0;
279 p_sys->i_session_timeout = var_CreateGetInteger( p_this, "rtsp-session-timeout" );
281 p_sys->i_throttle_users = var_CreateGetInteger( p_this, "rtsp-throttle-users" );
282 msg_Dbg( p_this, "allowing up to %d connections", p_sys->i_throttle_users );
283 p_sys->i_connections = 0;
285 p_sys->psz_raw_mux = var_CreateGetString( p_this, "rtsp-raw-mux" );
288 httpd_HostNew( VLC_OBJECT(p_vod), url.psz_host, url.i_port );
289 if( !p_sys->p_rtsp_host )
291 msg_Err( p_vod, "cannot create RTSP server (%s:%i)",
292 url.psz_host, url.i_port );
296 p_sys->psz_path = strdup( url.psz_path ? url.psz_path : "/" );
297 p_sys->i_port = url.i_port;
299 vlc_UrlClean( &url );
301 vlc_mutex_init( &p_sys->lock_media );
303 TAB_INIT( p_sys->i_media, p_sys->media );
304 p_sys->i_media_id = 0;
306 p_vod->pf_media_new = MediaNew;
307 p_vod->pf_media_del = MediaAskDel;
308 p_vod->pf_media_add_es = MediaAddES;
309 p_vod->pf_media_del_es = MediaDelES;
311 p_sys->p_fifo_cmd = block_FifoNew();
312 if( vlc_thread_create( p_vod, "rtsp vod thread", CommandThread,
313 VLC_THREAD_PRIORITY_LOW ) )
315 msg_Err( p_vod, "cannot spawn rtsp vod thread" );
316 block_FifoRelease( p_sys->p_fifo_cmd );
317 free( p_sys->psz_path );
326 if( p_sys->p_rtsp_host ) httpd_HostDelete( p_sys->p_rtsp_host );
327 free( p_sys->psz_raw_mux );
330 vlc_UrlClean( &url );
335 /*****************************************************************************
337 *****************************************************************************/
338 static void Close( vlc_object_t * p_this )
340 vod_t *p_vod = (vod_t *)p_this;
341 vod_sys_t *p_sys = p_vod->p_sys;
342 block_t *p_block_cmd;
345 /* Stop command thread */
346 vlc_object_kill( p_vod );
347 CommandPush( p_vod, RTSP_CMD_TYPE_NONE, NULL, NULL, 0.0, NULL );
348 vlc_thread_join( p_vod );
350 while( block_FifoCount( p_sys->p_fifo_cmd ) > 0 )
352 p_block_cmd = block_FifoGet( p_sys->p_fifo_cmd );
353 memcpy( &cmd, p_block_cmd->p_buffer, sizeof(cmd) );
354 block_Release( p_block_cmd );
355 if ( cmd.i_type == RTSP_CMD_TYPE_DEL )
356 MediaDel(p_vod, cmd.p_media);
357 free( cmd.psz_session );
360 block_FifoRelease( p_sys->p_fifo_cmd );
362 httpd_HostDelete( p_sys->p_rtsp_host );
363 var_Destroy( p_this, "rtsp-session-timeout" );
364 var_Destroy( p_this, "rtsp-throttle-users" );
365 var_Destroy( p_this, "rtsp-raw-mux" );
367 /* Check VLM is not buggy */
368 if( p_sys->i_media > 0 )
369 msg_Err( p_vod, "rtsp vod leaking %d medias", p_sys->i_media );
370 TAB_CLEAN( p_sys->i_media, p_sys->media );
372 vlc_mutex_destroy( &p_sys->lock_media );
374 free( p_sys->psz_path );
375 free( p_sys->psz_raw_mux );
379 /*****************************************************************************
381 *****************************************************************************/
382 static vod_media_t *MediaNew( vod_t *p_vod, const char *psz_name,
383 input_item_t *p_item )
386 vod_sys_t *p_sys = p_vod->p_sys;
388 vod_media_t *p_media = calloc( 1, sizeof(vod_media_t) );
392 p_media->id = p_sys->i_media_id++;
393 TAB_INIT( p_media->i_es, p_media->es );
394 p_media->psz_mux = NULL;
395 TAB_INIT( p_media->i_rtsp, p_media->rtsp );
396 p_media->b_raw = false;
398 if( asprintf( &p_media->psz_rtsp_path, "%s%s",
399 p_sys->psz_path, psz_name ) <0 )
401 p_media->p_rtsp_url =
402 httpd_UrlNewUnique( p_sys->p_rtsp_host, p_media->psz_rtsp_path, NULL,
405 if( !p_media->p_rtsp_url )
407 msg_Err( p_vod, "cannot create RTSP url (%s)", p_media->psz_rtsp_path);
408 free( p_media->psz_rtsp_path );
413 msg_Dbg( p_vod, "created RTSP url: %s", p_media->psz_rtsp_path );
415 if( asprintf( &p_media->psz_rtsp_control_v4,
416 "a=control:rtsp://%%s:%d%s/trackID=%%d\r\n",
417 p_sys->i_port, p_media->psz_rtsp_path ) < 0 )
419 httpd_UrlDelete( p_media->p_rtsp_url );
420 free( p_media->psz_rtsp_path );
424 if( asprintf( &p_media->psz_rtsp_control_v6,
425 "a=control:rtsp://[%%s]:%d%s/trackID=%%d\r\n",
426 p_sys->i_port, p_media->psz_rtsp_path ) < 0 )
428 httpd_UrlDelete( p_media->p_rtsp_url );
429 free( p_media->psz_rtsp_path );
434 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_SETUP,
435 RtspCallback, (void*)p_media );
436 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_DESCRIBE,
437 RtspCallback, (void*)p_media );
438 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_PLAY,
439 RtspCallback, (void*)p_media );
440 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_PAUSE,
441 RtspCallback, (void*)p_media );
442 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_GETPARAMETER,
443 RtspCallback, (void*)p_media );
444 httpd_UrlCatch( p_media->p_rtsp_url, HTTPD_MSG_TEARDOWN,
445 RtspCallback, (void*)p_media );
447 p_media->p_vod = p_vod;
449 vlc_mutex_init( &p_media->lock );
451 p_media->i_payload_type = 96;
453 p_media->i_sdp_id = mdate();
454 p_media->i_sdp_version = 1;
455 p_media->i_length = input_item_GetDuration( p_item );
457 vlc_mutex_lock( &p_item->lock );
458 msg_Dbg( p_vod, "media has %i declared ES", p_item->i_es );
459 for( i = 0; i < p_item->i_es; i++ )
461 MediaAddES( p_vod, p_media, p_item->es[i] );
463 vlc_mutex_unlock( &p_item->lock );
465 CommandPush( p_vod, RTSP_CMD_TYPE_ADD, p_media, NULL, 0.0, NULL );
469 static void MediaAskDel ( vod_t *p_vod, vod_media_t *p_media )
471 CommandPush( p_vod, RTSP_CMD_TYPE_DEL, p_media, NULL, 0.0, NULL );
474 static void MediaDel( vod_t *p_vod, vod_media_t *p_media )
476 vod_sys_t *p_sys = p_vod->p_sys;
478 msg_Dbg( p_vod, "deleting media: %s", p_media->psz_rtsp_path );
480 vlc_mutex_lock( &p_sys->lock_media );
481 TAB_REMOVE( p_sys->i_media, p_sys->media, p_media );
482 vlc_mutex_unlock( &p_sys->lock_media );
484 httpd_UrlDelete( p_media->p_rtsp_url );
486 while( p_media->i_rtsp > 0 )
487 RtspClientDel( p_media, p_media->rtsp[0] );
488 TAB_CLEAN( p_media->i_rtsp, p_media->rtsp );
490 free( p_media->psz_rtsp_path );
491 free( p_media->psz_rtsp_control_v6 );
492 free( p_media->psz_rtsp_control_v4 );
494 while( p_media->i_es )
495 MediaDelES( p_vod, p_media, &p_media->es[0]->fmt );
496 TAB_CLEAN( p_media->i_es, p_media->es );
498 vlc_mutex_destroy( &p_media->lock );
500 free( p_media->psz_mux );
504 static int MediaAddES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt )
507 media_es_t *p_es = calloc( 1, sizeof(media_es_t) );
511 free( p_media->psz_mux );
512 p_media->psz_mux = NULL;
514 /* TODO: update SDP, etc... */
515 if( asprintf( &psz_urlc, "%s/trackID=%d",
516 p_media->psz_rtsp_path, p_media->i_es ) < 0 )
521 msg_Dbg( p_vod, " - ES %4.4s (%s)", (char *)&p_fmt->i_codec, psz_urlc );
523 switch( p_fmt->i_codec )
526 if( p_fmt->audio.i_channels == 1 && p_fmt->audio.i_rate == 44100 )
528 p_es->i_payload_type = 11;
530 else if( p_fmt->audio.i_channels == 2 &&
531 p_fmt->audio.i_rate == 44100 )
533 p_es->i_payload_type = 10;
537 p_es->i_payload_type = p_media->i_payload_type++;
539 if( asprintf( &p_es->psz_rtpmap, "L16/%d/%d", p_fmt->audio.i_rate,
540 p_fmt->audio.i_channels ) == -1 )
541 p_es->psz_rtpmap = NULL;
544 p_es->i_payload_type = p_media->i_payload_type++;
545 if( asprintf( &p_es->psz_rtpmap, "L8/%d/%d", p_fmt->audio.i_rate,
546 p_fmt->audio.i_channels ) == -1 )
547 p_es->psz_rtpmap = NULL;
550 p_es->i_payload_type = 14;
551 p_es->psz_rtpmap = strdup( "MPA/90000" );
554 p_es->i_payload_type = 32;
555 p_es->psz_rtpmap = strdup( "MPV/90000" );
558 p_es->i_payload_type = p_media->i_payload_type++;
559 if( asprintf( &p_es->psz_rtpmap, "ac3/%d", p_fmt->audio.i_rate ) == -1 )
560 p_es->psz_rtpmap = NULL;
563 p_es->i_payload_type = p_media->i_payload_type++;
564 p_es->psz_rtpmap = strdup( "H263-1998/90000" );
567 p_es->i_payload_type = p_media->i_payload_type++;
568 p_es->psz_rtpmap = strdup( "H264/90000" );
569 p_es->psz_fmtp = NULL;
570 /* FIXME AAAAAAAAAAAARRRRRRRRGGGG copied from stream_out/rtp.c */
571 if( p_fmt->i_extra > 0 )
573 uint8_t *p_buffer = p_fmt->p_extra;
574 int i_buffer = p_fmt->i_extra;
575 char *p_64_sps = NULL;
576 char *p_64_pps = NULL;
579 while( i_buffer > 4 &&
580 p_buffer[0] == 0 && p_buffer[1] == 0 &&
581 p_buffer[2] == 0 && p_buffer[3] == 1 )
583 const int i_nal_type = p_buffer[4]&0x1f;
588 for( i_offset = 4; i_offset+3 < i_buffer ; i_offset++)
590 if( p_buffer[i_offset] == 0 && p_buffer[i_offset+1] == 0 && p_buffer[i_offset+2] == 0 && p_buffer[i_offset+3] == 1 )
592 /* we found another startcode */
597 if( i_nal_type == 7 )
600 p_64_sps = vlc_b64_encode_binary( &p_buffer[4], i_size - 4 );
601 sprintf_hexa( hexa, &p_buffer[5], 3 );
603 else if( i_nal_type == 8 )
606 p_64_pps = vlc_b64_encode_binary( &p_buffer[4], i_size - 4 );
612 if( p_64_sps && p_64_pps )
614 if( asprintf( &p_es->psz_fmtp,
615 "packetization-mode=1;profile-level-id=%s;"
616 "sprop-parameter-sets=%s,%s;", hexa, p_64_sps,
629 if( !p_es->psz_fmtp )
630 p_es->psz_fmtp = strdup( "packetization-mode=1" );
633 p_es->i_payload_type = p_media->i_payload_type++;
634 p_es->psz_rtpmap = strdup( "MP4V-ES/90000" );
635 if( p_fmt->i_extra > 0 )
637 char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
638 sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
639 if( asprintf( &p_es->psz_fmtp,
640 "profile-level-id=3; config=%s;", p_hexa ) == -1 )
641 p_es->psz_fmtp = NULL;
646 p_es->i_payload_type = p_media->i_payload_type++;
647 if( asprintf( &p_es->psz_rtpmap, "mpeg4-generic/%d", p_fmt->audio.i_rate ) == -1 )
648 p_es->psz_rtpmap = NULL;
649 if( p_fmt->i_extra > 0 )
651 char *p_hexa = malloc( 2 * p_fmt->i_extra + 1 );
652 sprintf_hexa( p_hexa, p_fmt->p_extra, p_fmt->i_extra );
653 if( asprintf( &p_es->psz_fmtp,
654 "streamtype=5; profile-level-id=15; mode=AAC-hbr; "
655 "config=%s; SizeLength=13;IndexLength=3; "
656 "IndexDeltaLength=3; Profile=1;", p_hexa ) == -1 )
657 p_es->psz_fmtp = NULL;
661 case VLC_FOURCC( 'm', 'p', '2', 't' ):
662 p_media->psz_mux = strdup("ts");
663 p_es->i_payload_type = 33;
664 p_es->psz_rtpmap = strdup( "MP2T/90000" );
666 case VLC_FOURCC( 'm', 'p', '2', 'p' ):
667 p_media->psz_mux = strdup("ps");
668 p_es->i_payload_type = p_media->i_payload_type++;
669 p_es->psz_rtpmap = strdup( "MP2P/90000" );
671 case VLC_CODEC_AMR_NB:
672 p_es->i_payload_type = p_media->i_payload_type++;
673 p_es->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
674 "AMR/8000/2" : "AMR/8000" );
675 p_es->psz_fmtp = strdup( "octet-align=1" );
677 case VLC_CODEC_AMR_WB:
678 p_es->i_payload_type = p_media->i_payload_type++;
679 p_es->psz_rtpmap = strdup( p_fmt->audio.i_channels == 2 ?
680 "AMR-WB/16000/2" : "AMR-WB/16000" );
681 p_es->psz_fmtp = strdup( "octet-align=1" );
685 msg_Err( p_vod, "cannot add this stream (unsupported "
686 "codec: %4.4s)", (char*)&p_fmt->i_codec );
693 httpd_UrlNewUnique( p_vod->p_sys->p_rtsp_host, psz_urlc, NULL, NULL,
696 if( !p_es->p_rtsp_url )
698 msg_Err( p_vod, "cannot create RTSP url (%s)", psz_urlc );
705 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_SETUP,
706 RtspCallbackES, (void*)p_es );
707 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_TEARDOWN,
708 RtspCallbackES, (void*)p_es );
709 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PLAY,
710 RtspCallbackES, (void*)p_es );
711 httpd_UrlCatch( p_es->p_rtsp_url, HTTPD_MSG_PAUSE,
712 RtspCallbackES, (void*)p_es );
714 es_format_Copy( &p_es->fmt, p_fmt );
716 p_es->p_media = p_media;
718 vlc_mutex_lock( &p_media->lock );
719 TAB_APPEND( p_media->i_es, p_media->es, p_es );
720 vlc_mutex_unlock( &p_media->lock );
722 p_media->i_sdp_version++;
727 static void MediaDelES( vod_t *p_vod, vod_media_t *p_media, es_format_t *p_fmt)
729 media_es_t *p_es = NULL;
733 for( i = 0; i < p_media->i_es; i++ )
735 if( p_media->es[i]->fmt.i_cat == p_fmt->i_cat &&
736 p_media->es[i]->fmt.i_codec == p_fmt->i_codec &&
737 p_media->es[i]->fmt.i_id == p_fmt->i_id )
739 p_es = p_media->es[i];
744 msg_Dbg( p_vod, " - Removing ES %4.4s", (char *)&p_fmt->i_codec );
746 vlc_mutex_lock( &p_media->lock );
747 TAB_REMOVE( p_media->i_es, p_media->es, p_es );
748 vlc_mutex_unlock( &p_media->lock );
750 free( p_es->psz_rtpmap );
751 free( p_es->psz_fmtp );
752 p_media->i_sdp_version++;
754 if( p_es->p_rtsp_url ) httpd_UrlDelete( p_es->p_rtsp_url );
755 es_format_Clean( &p_es->fmt );
759 static void CommandPush( vod_t *p_vod, rtsp_cmd_type_t i_type, vod_media_t *p_media, const char *psz_session,
760 double f_arg, const char *psz_arg )
765 memset( &cmd, 0, sizeof(cmd) );
767 cmd.p_media = p_media;
769 cmd.i_media_id = p_media->id;
771 cmd.psz_session = strdup(psz_session);
774 cmd.psz_arg = strdup(psz_arg);
776 p_cmd = block_New( p_vod, sizeof(rtsp_cmd_t) );
777 memcpy( p_cmd->p_buffer, &cmd, sizeof(cmd) );
779 block_FifoPut( p_vod->p_sys->p_fifo_cmd, p_cmd );
782 static void* CommandThread( vlc_object_t *p_this )
784 vod_t *p_vod = (vod_t*)p_this;
785 vod_sys_t *p_sys = p_vod->p_sys;
786 int canc = vlc_savecancel ();
788 while( vlc_object_alive (p_vod) )
790 block_t *p_block_cmd = block_FifoGet( p_sys->p_fifo_cmd );
792 vod_media_t *p_media = NULL;
798 memcpy( &cmd, p_block_cmd->p_buffer, sizeof(cmd) );
799 block_Release( p_block_cmd );
801 if( cmd.i_type == RTSP_CMD_TYPE_NONE )
804 if ( cmd.i_type == RTSP_CMD_TYPE_ADD )
806 vlc_mutex_lock( &p_sys->lock_media );
807 TAB_APPEND( p_sys->i_media, p_sys->media, cmd.p_media );
808 vlc_mutex_unlock( &p_sys->lock_media );
812 if ( cmd.i_type == RTSP_CMD_TYPE_DEL )
814 MediaDel(p_vod, cmd.p_media);
819 vlc_mutex_lock( &p_sys->lock_media );
820 for( i = 0; i < p_sys->i_media; i++ )
822 if( p_sys->media[i]->id == cmd.i_media_id )
825 if( i >= p_sys->i_media )
827 vlc_mutex_unlock( &p_sys->lock_media );
830 p_media = p_sys->media[i];
834 case RTSP_CMD_TYPE_PLAY:
835 vod_MediaControl( p_vod, p_media, cmd.psz_session,
836 VOD_MEDIA_PLAY, cmd.psz_arg );
838 case RTSP_CMD_TYPE_PAUSE:
839 vod_MediaControl( p_vod, p_media, cmd.psz_session,
843 case RTSP_CMD_TYPE_STOP:
844 vod_MediaControl( p_vod, p_media, cmd.psz_session, VOD_MEDIA_STOP );
847 case RTSP_CMD_TYPE_SEEK:
848 vod_MediaControl( p_vod, p_media, cmd.psz_session,
849 VOD_MEDIA_SEEK, cmd.f_arg );
852 case RTSP_CMD_TYPE_REWIND:
853 vod_MediaControl( p_vod, p_media, cmd.psz_session,
854 VOD_MEDIA_REWIND, cmd.f_arg );
857 case RTSP_CMD_TYPE_FORWARD:
858 vod_MediaControl( p_vod, p_media, cmd.psz_session,
859 VOD_MEDIA_FORWARD, cmd.f_arg );
865 vlc_mutex_unlock( &p_sys->lock_media );
868 free( cmd.psz_session );
872 vlc_restorecancel (canc);
876 /****************************************************************************
877 * RTSP server implementation
878 ****************************************************************************/
879 static rtsp_client_t *RtspClientNew( vod_media_t *p_media, char *psz_session )
881 rtsp_client_t *p_rtsp = calloc( 1, sizeof(rtsp_client_t) );
887 p_rtsp->psz_session = psz_session;
888 TAB_APPEND( p_media->i_rtsp, p_media->rtsp, p_rtsp );
890 p_media->p_vod->p_sys->i_connections++;
891 msg_Dbg( p_media->p_vod, "new session: %s, connections: %d",
892 psz_session, p_media->p_vod->p_sys->i_throttle_users );
897 static rtsp_client_t *RtspClientGet( vod_media_t *p_media, const char *psz_session )
901 for( i = 0; psz_session && i < p_media->i_rtsp; i++ )
903 if( !strcmp( p_media->rtsp[i]->psz_session, psz_session ) )
904 return p_media->rtsp[i];
910 static void RtspClientDel( vod_media_t *p_media, rtsp_client_t *p_rtsp )
912 p_media->p_vod->p_sys->i_connections--;
913 msg_Dbg( p_media->p_vod, "closing session: %s, connections: %d",
914 p_rtsp->psz_session, p_media->p_vod->p_sys->i_throttle_users );
916 while( p_rtsp->i_es )
919 free( p_rtsp->es[p_rtsp->i_es] );
923 TAB_REMOVE( p_media->i_rtsp, p_media->rtsp, p_rtsp );
925 free( p_rtsp->psz_session );
930 static float ParseNPT (const char *str)
932 locale_t loc = newlocale (LC_NUMERIC_MASK, "C", NULL);
933 locale_t oldloc = uselocale (loc);
937 if (sscanf (str, "%u:%u:%f", &hour, &min, &sec) == 3)
938 sec += ((hour * 60) + min) * 60;
940 if (sscanf (str, "%f", &sec) != 1)
943 if (loc != (locale_t)0)
952 static int RtspCallback( httpd_callback_sys_t *p_args, httpd_client_t *cl,
953 httpd_message_t *answer, const httpd_message_t *query )
955 vod_media_t *p_media = (vod_media_t*)p_args;
956 vod_t *p_vod = p_media->p_vod;
957 const char *psz_transport = NULL;
958 const char *psz_playnow = NULL; /* support option: x-playNow */
959 const char *psz_session = NULL;
960 const char *psz_cseq = NULL;
961 rtsp_client_t *p_rtsp;
965 if( answer == NULL || query == NULL ) return VLC_SUCCESS;
967 msg_Dbg( p_vod, "RtspCallback query: type=%d", query->i_type );
969 answer->i_proto = HTTPD_PROTO_RTSP;
970 answer->i_version = query->i_version;
971 answer->i_type = HTTPD_MSG_ANSWER;
973 answer->p_body = NULL;
975 switch( query->i_type )
977 case HTTPD_MSG_SETUP:
979 psz_playnow = httpd_MsgGet( query, "x-playNow" );
980 psz_transport = httpd_MsgGet( query, "Transport" );
981 if( psz_transport == NULL )
983 answer->i_status = 400;
986 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: transport=%s", psz_transport );
988 if( strstr( psz_transport, "unicast" ) &&
989 strstr( psz_transport, "client_port=" ) )
991 rtsp_client_t *p_rtsp = NULL;
992 char ip[NI_MAXNUMERICHOST];
993 i_port = atoi( strstr( psz_transport, "client_port=" ) +
994 strlen("client_port=") );
996 if( strstr( psz_transport, "MP2T/H2221/UDP" ) ||
997 strstr( psz_transport, "RAW/RAW/UDP" ) )
999 free( p_media->psz_mux );
1000 p_media->psz_mux = NULL;
1001 p_media->psz_mux = strdup( p_vod->p_sys->psz_raw_mux );
1002 p_media->b_raw = true;
1005 if( httpd_ClientIP( cl, ip ) == NULL )
1007 answer->i_status = 500;
1009 answer->p_body = NULL;
1013 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: unicast ip=%s port=%d",
1016 psz_session = httpd_MsgGet( query, "Session" );
1017 if( !psz_session || !*psz_session )
1020 if( ( p_vod->p_sys->i_throttle_users > 0 ) &&
1021 ( p_vod->p_sys->i_connections >= p_vod->p_sys->i_throttle_users ) )
1023 answer->i_status = 503;
1025 answer->p_body = NULL;
1028 if( asprintf( &psz_new, "%d", rand() ) < 0 )
1030 psz_session = psz_new;
1032 p_rtsp = RtspClientNew( p_media, psz_new );
1035 answer->i_status = 454;
1037 answer->p_body = NULL;
1043 p_rtsp = RtspClientGet( p_media, psz_session );
1046 answer->i_status = 454;
1048 answer->p_body = NULL;
1053 answer->i_status = 200;
1055 answer->p_body = NULL;
1057 if( p_media->b_raw )
1059 if( strstr( psz_transport, "MP2T/H2221/UDP" ) )
1061 httpd_MsgAdd( answer, "Transport",
1062 "MP2T/H2221/UDP;unicast;client_port=%d-%d",
1063 i_port, i_port + 1 );
1065 else if( strstr( psz_transport, "RAW/RAW/UDP" ) )
1067 httpd_MsgAdd( answer, "Transport",
1068 "RAW/RAW/UDP;unicast;client_port=%d-%d",
1069 i_port, i_port + 1 );
1073 httpd_MsgAdd( answer, "Transport",
1074 "RTP/AVP/UDP;unicast;client_port=%d-%d",
1075 i_port, i_port + 1 );
1077 else /* TODO strstr( psz_transport, "interleaved" ) ) */
1079 answer->i_status = 461;
1081 answer->p_body = NULL;
1084 /* Intentional fall-through on x-playNow option in RTSP request */
1089 case HTTPD_MSG_PLAY:
1091 char *psz_output, ip[NI_MAXNUMERICHOST];
1092 int i, i_port_audio = 0, i_port_video = 0;
1094 /* for now only multicast so easy */
1097 answer->i_status = 200;
1099 answer->p_body = NULL;
1103 psz_session = httpd_MsgGet( query, "Session" );
1104 msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session );
1106 p_rtsp = RtspClientGet( p_media, psz_session );
1109 answer->i_status = 500;
1111 answer->p_body = NULL;
1115 if( p_rtsp->b_playing )
1117 const char *psz_position = httpd_MsgGet( query, "Range" );
1118 const char *psz_scale = httpd_MsgGet( query, "Scale" );
1120 psz_position = strstr( psz_position, "npt=" );
1121 if( psz_position && !psz_scale )
1123 double f_pos = ParseNPT (psz_position + 4);
1124 msg_Dbg( p_vod, "seeking request: %s", psz_position );
1125 f_pos /= ((double)(p_media->i_length))/1000 /1000 / 100;
1126 CommandPush( p_vod, RTSP_CMD_TYPE_SEEK, p_media,
1127 psz_session, f_pos, NULL );
1129 else if( psz_scale )
1131 double f_scale = 0.0;
1134 f_scale = us_strtod( psz_scale, &end );
1135 if( end > psz_scale )
1137 f_scale = (f_scale * 30.0);
1138 if( psz_scale[0] == '-' ) /* rewind */
1140 msg_Dbg( p_vod, "rewind request: %s", psz_scale );
1141 CommandPush( p_vod, RTSP_CMD_TYPE_REWIND, p_media,
1142 psz_session, f_scale, NULL );
1144 else if(psz_scale[0] != '1' ) /* fast-forward */
1146 msg_Dbg( p_vod, "fastforward request: %s",
1148 CommandPush( p_vod, RTSP_CMD_TYPE_FORWARD, p_media,
1149 psz_session, f_scale, NULL );
1152 if( p_rtsp->b_paused == true )
1154 p_rtsp->b_paused = false;
1155 CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media,
1156 psz_session, 0, NULL );
1163 if( p_rtsp->b_playing && p_rtsp->b_paused )
1165 CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media,
1166 psz_session, 0, NULL );
1167 p_rtsp->b_paused = false;
1170 else if( p_rtsp->b_playing ) break;
1172 if( httpd_ClientIP( cl, ip ) == NULL ) break;
1174 p_rtsp->b_playing = true;
1176 /* FIXME for != 1 video and 1 audio */
1177 for( i = 0; i < p_rtsp->i_es; i++ )
1179 if( p_rtsp->es[i]->p_media_es->fmt.i_cat == AUDIO_ES )
1180 i_port_audio = p_rtsp->es[i]->i_port;
1181 if( p_rtsp->es[i]->p_media_es->fmt.i_cat == VIDEO_ES )
1182 i_port_video = p_rtsp->es[i]->i_port;
1185 if( p_media->psz_mux )
1187 if( p_media->b_raw )
1189 if( asprintf( &psz_output,
1190 "std{access=udp,dst=%s:%i,mux=%s}",
1191 ip, i_port, p_media->psz_mux ) < 0 )
1196 if( asprintf( &psz_output,
1197 "rtp{dst=%s,port=%i,mux=%s}",
1198 ip, i_port_video, p_media->psz_mux ) < 0 )
1204 if( asprintf( &psz_output,
1205 "rtp{dst=%s,port-video=%i,port-audio=%i}",
1206 ip, i_port_video, i_port_audio ) < 0 )
1210 CommandPush( p_vod, RTSP_CMD_TYPE_PLAY, p_media, psz_session,
1216 case HTTPD_MSG_DESCRIBE:
1219 SDPGenerate( p_media, cl );
1221 if( psz_sdp != NULL )
1223 answer->i_status = 200;
1224 httpd_MsgAdd( answer, "Content-type", "%s",
1225 "application/sdp" );
1227 answer->p_body = (uint8_t *)psz_sdp;
1228 answer->i_body = strlen( psz_sdp );
1232 answer->i_status = 500;
1233 answer->p_body = NULL;
1239 case HTTPD_MSG_PAUSE:
1240 psz_session = httpd_MsgGet( query, "Session" );
1241 msg_Dbg( p_vod, "HTTPD_MSG_PAUSE for session: %s", psz_session );
1243 p_rtsp = RtspClientGet( p_media, psz_session );
1244 if( !p_rtsp ) break;
1246 CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, psz_session,
1248 p_rtsp->b_paused = true;
1250 answer->i_status = 200;
1252 answer->p_body = NULL;
1255 case HTTPD_MSG_TEARDOWN:
1256 /* for now only multicast so easy again */
1257 answer->i_status = 200;
1259 answer->p_body = NULL;
1261 psz_session = httpd_MsgGet( query, "Session" );
1262 msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
1264 p_rtsp = RtspClientGet( p_media, psz_session );
1265 if( !p_rtsp ) break;
1267 CommandPush( p_vod, RTSP_CMD_TYPE_STOP, p_media, psz_session,
1269 RtspClientDel( p_media, p_rtsp );
1272 case HTTPD_MSG_GETPARAMETER:
1273 answer->i_status = 200;
1275 answer->p_body = NULL;
1279 return VLC_EGENERIC;
1282 httpd_MsgAdd( answer, "Server", "VLC Server" );
1283 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1284 psz_cseq = httpd_MsgGet( query, "Cseq" );
1285 psz_cseq ? i_cseq = atoi( psz_cseq ) : 0;
1286 httpd_MsgAdd( answer, "CSeq", "%d", i_cseq );
1287 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1291 if( p_media->p_vod->p_sys->i_session_timeout >= 0 )
1292 httpd_MsgAdd( answer, "Session", "%s;timeout=%i", psz_session,
1293 p_media->p_vod->p_sys->i_session_timeout );
1295 httpd_MsgAdd( answer, "Session", "%s", psz_session );
1301 static int RtspCallbackES( httpd_callback_sys_t *p_args, httpd_client_t *cl,
1302 httpd_message_t *answer,
1303 const httpd_message_t *query )
1305 media_es_t *p_es = (media_es_t*)p_args;
1306 vod_media_t *p_media = p_es->p_media;
1307 vod_t *p_vod = p_media->p_vod;
1308 rtsp_client_t *p_rtsp = NULL;
1309 const char *psz_transport = NULL;
1310 const char *psz_playnow = NULL; /* support option: x-playNow */
1311 const char *psz_session = NULL;
1312 const char *psz_position = NULL;
1313 const char *psz_cseq = NULL;
1317 if( answer == NULL || query == NULL ) return VLC_SUCCESS;
1319 msg_Dbg( p_vod, "RtspCallback query: type=%d", query->i_type );
1321 answer->i_proto = HTTPD_PROTO_RTSP;
1322 answer->i_version = query->i_version;
1323 answer->i_type = HTTPD_MSG_ANSWER;
1325 answer->p_body = NULL;
1327 switch( query->i_type )
1329 case HTTPD_MSG_SETUP:
1330 psz_playnow = httpd_MsgGet( query, "x-playNow" );
1331 psz_transport = httpd_MsgGet( query, "Transport" );
1333 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: transport=%s", psz_transport );
1335 if( strstr( psz_transport, "unicast" ) &&
1336 strstr( psz_transport, "client_port=" ) )
1338 rtsp_client_t *p_rtsp = NULL;
1339 rtsp_client_es_t *p_rtsp_es = NULL;
1340 char ip[NI_MAXNUMERICHOST];
1341 int i_port = atoi( strstr( psz_transport, "client_port=" ) +
1342 strlen("client_port=") );
1344 if( httpd_ClientIP( cl, ip ) == NULL )
1346 answer->i_status = 500;
1348 answer->p_body = NULL;
1352 msg_Dbg( p_vod, "HTTPD_MSG_SETUP: unicast ip=%s port=%d",
1355 psz_session = httpd_MsgGet( query, "Session" );
1356 if( !psz_session || !*psz_session )
1359 if( ( p_vod->p_sys->i_throttle_users > 0 ) &&
1360 ( p_vod->p_sys->i_connections >= p_vod->p_sys->i_throttle_users ) )
1362 answer->i_status = 503;
1364 answer->p_body = NULL;
1367 if( asprintf( &psz_new, "%d", rand() ) < 0 )
1369 psz_session = psz_new;
1371 p_rtsp = RtspClientNew( p_media, psz_new );
1374 answer->i_status = 454;
1376 answer->p_body = NULL;
1382 p_rtsp = RtspClientGet( p_media, psz_session );
1385 answer->i_status = 454;
1387 answer->p_body = NULL;
1392 p_rtsp_es = malloc( sizeof(rtsp_client_es_t) );
1395 answer->i_status = 500;
1397 answer->p_body = NULL;
1400 p_rtsp_es->i_port = i_port;
1401 p_rtsp_es->p_media_es = p_es;
1402 TAB_APPEND( p_rtsp->i_es, p_rtsp->es, p_rtsp_es );
1404 answer->i_status = 200;
1406 answer->p_body = NULL;
1408 if( p_media->b_raw )
1410 if( strstr( psz_transport, "MP2T/H2221/UDP" ) )
1412 httpd_MsgAdd( answer, "Transport",
1413 "MP2T/H2221/UDP;client_port=%d-%d",
1414 p_rtsp_es->i_port, p_rtsp_es->i_port + 1 );
1416 else if( strstr( psz_transport, "RAW/RAW/UDP" ) )
1418 httpd_MsgAdd( answer, "Transport",
1419 "RAW/RAW/UDP;client_port=%d-%d",
1420 p_rtsp_es->i_port, p_rtsp_es->i_port + 1 );
1425 httpd_MsgAdd( answer, "Transport",
1426 "RTP/AVP/UDP;client_port=%d-%d",
1427 p_rtsp_es->i_port, p_rtsp_es->i_port + 1 );
1430 else /* TODO strstr( psz_transport, "interleaved" ) ) */
1432 answer->i_status = 461;
1434 answer->p_body = NULL;
1437 /* Intentional fall-through on x-playNow option in RTSP request */
1441 case HTTPD_MSG_PLAY:
1442 /* This is kind of a kludge. Should we only support Aggregate
1444 psz_session = httpd_MsgGet( query, "Session" );
1445 msg_Dbg( p_vod, "HTTPD_MSG_PLAY for session: %s", psz_session );
1447 p_rtsp = RtspClientGet( p_media, psz_session );
1449 psz_position = httpd_MsgGet( query, "Range" );
1450 if( psz_position ) psz_position = strstr( psz_position, "npt=" );
1453 double f_pos = ParseNPT (psz_position + 4);
1454 msg_Dbg( p_vod, "seeking request: %s", psz_position );
1455 f_pos /= ((double)(p_media->i_length))/1000 /1000 / 100;
1456 CommandPush( p_vod, RTSP_CMD_TYPE_SEEK, p_media,
1457 psz_session, f_pos, NULL );
1462 answer->i_status = 200;
1464 answer->p_body = NULL;
1468 case HTTPD_MSG_TEARDOWN:
1469 answer->i_status = 200;
1471 answer->p_body = NULL;
1473 psz_session = httpd_MsgGet( query, "Session" );
1474 msg_Dbg( p_vod, "HTTPD_MSG_TEARDOWN for session: %s", psz_session);
1476 p_rtsp = RtspClientGet( p_media, psz_session );
1477 if( !p_rtsp ) break;
1479 for( i = 0; i < p_rtsp->i_es; i++ )
1481 if( p_rtsp->es[i]->p_media_es == p_es )
1483 TAB_REMOVE( p_rtsp->i_es, p_rtsp->es, p_rtsp->es[i] );
1490 CommandPush( p_vod, RTSP_CMD_TYPE_STOP, p_media, psz_session,
1492 RtspClientDel( p_media, p_rtsp );
1496 case HTTPD_MSG_PAUSE:
1497 /* This is kind of a kludge. Should we only support Aggregate
1499 psz_session = httpd_MsgGet( query, "Session" );
1500 msg_Dbg( p_vod, "HTTPD_MSG_PAUSE for session: %s", psz_session );
1502 p_rtsp = RtspClientGet( p_media, psz_session );
1503 if( !p_rtsp ) break;
1505 CommandPush( p_vod, RTSP_CMD_TYPE_PAUSE, p_media, psz_session,
1507 p_rtsp->b_paused = true;
1509 answer->i_status = 200;
1511 answer->p_body = NULL;
1515 return VLC_EGENERIC;
1519 httpd_MsgAdd( answer, "Server", "VLC Server" );
1520 httpd_MsgAdd( answer, "Content-Length", "%d", answer->i_body );
1521 psz_cseq = httpd_MsgGet( query, "Cseq" );
1523 i_cseq = atoi( psz_cseq );
1526 httpd_MsgAdd( answer, "Cseq", "%d", i_cseq );
1527 httpd_MsgAdd( answer, "Cache-Control", "%s", "no-cache" );
1530 httpd_MsgAdd( answer, "Session", "%s"/*;timeout=5*/, psz_session );
1535 /*****************************************************************************
1537 * FIXME: need to be moved to a common place ?
1538 *****************************************************************************/
1539 static char *SDPGenerate( const vod_media_t *p_media, httpd_client_t *cl )
1542 char *p, *psz_sdp, ip[NI_MAXNUMERICHOST], ipv;
1543 const char *psz_control;
1545 if( httpd_ServerIP( cl, ip ) == NULL )
1548 p = strchr( ip, '%' );
1550 *p = '\0'; /* remove scope if present */
1552 ipv = ( strchr( ip, ':' ) != NULL ) ? '6' : '4';
1554 /* Calculate size */
1555 i_size = sizeof( "v=0\r\n" ) +
1556 sizeof( "o=- * * IN IP4 \r\n" ) + 10 + NI_MAXNUMERICHOST +
1557 sizeof( "c=IN IP4 0.0.0.0\r\n" ) + 20 + 10 +
1558 sizeof( "t=0 0\r\n" ) + /* FIXME */
1559 sizeof( "a=tool:"PACKAGE_STRING"\r\n" ) +
1560 sizeof( "a=range:npt=0-1000000000.000\r\n" );
1562 psz_control = (ipv == '6') ? p_media->psz_rtsp_control_v6
1563 : p_media->psz_rtsp_control_v4;
1564 for( i = 0; i < p_media->i_es; i++ )
1566 media_es_t *p_es = p_media->es[i];
1568 i_size += sizeof( "m=**d*o * RTP/AVP *\r\n" ) + 19;
1569 if( p_es->psz_rtpmap )
1571 i_size += sizeof( "a=rtpmap:* *\r\n" ) +
1572 strlen( p_es->psz_rtpmap ) + 9;
1574 if( p_es->psz_fmtp )
1576 i_size += sizeof( "a=fmtp:* *\r\n" ) +
1577 strlen( p_es->psz_fmtp ) + 9;
1580 i_size += (strlen( psz_control ) + strlen( ip ) + 9) * p_media->i_es;
1582 p = psz_sdp = malloc( i_size );
1583 p += sprintf( p, "v=0\r\n" );
1584 p += sprintf( p, "o=- %"PRId64" %d IN IP%c %s\r\n",
1585 p_media->i_sdp_id, p_media->i_sdp_version, ipv, ip );
1587 p += sprintf( p, "c=IN IP%c %s\r\n", ipv, ipv == '6' ? "::" : "0.0.0.0" );
1588 p += sprintf( p, "t=0 0\r\n" ); /* FIXME */
1589 p += sprintf( p, "a=tool:"PACKAGE_STRING"\r\n" );
1591 if( p_media->i_length > 0 )
1593 lldiv_t d = lldiv( p_media->i_length / 1000, 1000 );
1594 p += sprintf( p, "a=range:npt=0-%lld.%03u\r\n", d.quot,
1598 for( i = 0; i < p_media->i_es; i++ )
1600 media_es_t *p_es = p_media->es[i];
1602 if( p_es->fmt.i_cat == AUDIO_ES )
1604 p += sprintf( p, "m=audio %d RTP/AVP %d\r\n",
1605 0 /* p_es->i_port */, p_es->i_payload_type );
1607 else if( p_es->fmt.i_cat == VIDEO_ES )
1609 p += sprintf( p, "m=video %d RTP/AVP %d\r\n",
1610 0 /* p_es->i_port */, p_es->i_payload_type );
1617 if( p_es->psz_rtpmap )
1619 p += sprintf( p, "a=rtpmap:%d %s\r\n", p_es->i_payload_type,
1622 if( p_es->psz_fmtp )
1624 p += sprintf( p, "a=fmtp:%d %s\r\n", p_es->i_payload_type,
1628 p += sprintf( p, psz_control, ip, i );