Qt: do not show open options in both normal and advanced UI
[vlc.git] / modules / demux / live555.cpp
bloba3357d696e98b492ebbe5683445273e9902bf5aa
1 /*****************************************************************************
2 * live555.cpp : LIVE555 Streaming Media support.
3 *****************************************************************************
4 * Copyright (C) 2003-2007 the VideoLAN team
5 * $Id$
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * Derk-Jan Hartman <hartman at videolan. org>
9 * Derk-Jan Hartman <djhartman at m2x .dot. nl> for M2X
10 * Sébastien Escudier <sebastien-devel celeos eu>
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License along
23 * with this program; if not, write to the Free Software Foundation, Inc.,
24 * 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
25 *****************************************************************************/
27 /*****************************************************************************
28 * Preamble
29 *****************************************************************************/
31 /* For inttypes.h
32 * Note: config.h may include inttypes.h, so make sure we define this option
33 * early enough. */
34 #define __STDC_CONSTANT_MACROS 1
36 #ifdef HAVE_CONFIG_H
37 # include "config.h"
38 #endif
40 #include <inttypes.h>
42 #include <vlc_common.h>
43 #include <vlc_plugin.h>
44 #include <vlc_input.h>
45 #include <vlc_demux.h>
46 #include <vlc_dialog.h>
47 #include <vlc_url.h>
48 #include <vlc_strings.h>
50 #include <limits.h>
51 #include <assert.h>
54 #if defined( WIN32 )
55 # include <winsock2.h>
56 #endif
58 #include <UsageEnvironment.hh>
59 #include <BasicUsageEnvironment.hh>
60 #include <GroupsockHelper.hh>
61 #include <liveMedia.hh>
62 #include <liveMedia_version.hh>
64 extern "C" {
65 #include "../access/mms/asf.h" /* Who said ugly ? */
68 using namespace std;
70 /*****************************************************************************
71 * Module descriptor
72 *****************************************************************************/
73 static int Open ( vlc_object_t * );
74 static void Close( vlc_object_t * );
76 #define KASENNA_TEXT N_( "Kasenna RTSP dialect")
77 #define KASENNA_LONGTEXT N_( "Kasenna servers use an old and nonstandard " \
78 "dialect of RTSP. With this parameter VLC will try this dialect, but "\
79 "then it cannot connect to normal RTSP servers." )
81 #define WMSERVER_TEXT N_("WMServer RTSP dialect")
82 #define WMSERVER_LONGTEXT N_("WMServer uses a nonstandard dialect " \
83 "of RTSP. Selecting this parameter will tell VLC to assume some " \
84 "options contrary to RFC 2326 guidelines.")
86 #define USER_TEXT N_("RTSP user name")
87 #define USER_LONGTEXT N_("Sets the username for the connection, " \
88 "if no username or password are set in the url.")
89 #define PASS_TEXT N_("RTSP password")
90 #define PASS_LONGTEXT N_("Sets the password for the connection, " \
91 "if no username or password are set in the url.")
93 vlc_module_begin ()
94 set_description( N_("RTP/RTSP/SDP demuxer (using Live555)" ) )
95 set_capability( "demux", 50 )
96 set_shortname( "RTP/RTSP")
97 set_callbacks( Open, Close )
98 add_shortcut( "live", "livedotcom" )
99 set_category( CAT_INPUT )
100 set_subcategory( SUBCAT_INPUT_DEMUX )
102 add_submodule ()
103 set_description( N_("RTSP/RTP access and demux") )
104 add_shortcut( "rtsp", "pnm", "live", "livedotcom" )
105 set_capability( "access_demux", 0 )
106 set_callbacks( Open, Close )
107 add_bool( "rtsp-tcp", false,
108 N_("Use RTP over RTSP (TCP)"),
109 N_("Use RTP over RTSP (TCP)"), true )
110 change_safe()
111 add_integer( "rtp-client-port", -1,
112 N_("Client port"),
113 N_("Port to use for the RTP source of the session"), true )
114 add_bool( "rtsp-mcast", false,
115 N_("Force multicast RTP via RTSP"),
116 N_("Force multicast RTP via RTSP"), true )
117 change_safe()
118 add_bool( "rtsp-http", false,
119 N_("Tunnel RTSP and RTP over HTTP"),
120 N_("Tunnel RTSP and RTP over HTTP"), true )
121 change_safe()
122 add_integer( "rtsp-http-port", 80,
123 N_("HTTP tunnel port"),
124 N_("Port to use for tunneling the RTSP/RTP over HTTP."),
125 true )
126 add_bool( "rtsp-kasenna", false, KASENNA_TEXT,
127 KASENNA_LONGTEXT, true )
128 change_safe()
129 add_bool( "rtsp-wmserver", false, WMSERVER_TEXT,
130 WMSERVER_LONGTEXT, true)
131 change_safe()
132 add_string( "rtsp-user", NULL, USER_TEXT,
133 USER_LONGTEXT, true )
134 change_safe()
135 add_password( "rtsp-pwd", NULL, PASS_TEXT,
136 PASS_LONGTEXT, true )
137 change_safe()
138 vlc_module_end ()
141 /*****************************************************************************
142 * Local prototypes
143 *****************************************************************************/
145 typedef struct
147 demux_t *p_demux;
148 MediaSubsession *sub;
150 es_format_t fmt;
151 es_out_id_t *p_es;
153 bool b_muxed;
154 bool b_quicktime;
155 bool b_asf;
156 block_t *p_asf_block;
157 bool b_discard_trunc;
158 stream_t *p_out_muxed; /* for muxed stream */
160 uint8_t *p_buffer;
161 unsigned int i_buffer;
163 bool b_rtcp_sync;
164 char waiting;
165 int64_t i_pts;
166 float i_npt;
168 } live_track_t;
170 struct timeout_thread_t
172 demux_sys_t *p_sys;
173 vlc_thread_t handle;
174 bool b_handle_keep_alive;
177 class RTSPClientVlc;
179 struct demux_sys_t
181 char *p_sdp; /* XXX mallocated */
182 char *psz_path; /* URL-encoded path */
183 vlc_url_t url;
185 MediaSession *ms;
186 TaskScheduler *scheduler;
187 UsageEnvironment *env ;
188 RTSPClientVlc *rtsp;
190 /* */
191 int i_track;
192 live_track_t **track; /* XXX mallocated */
194 /* Weird formats */
195 asf_header_t asfh;
196 stream_t *p_out_asf;
197 bool b_real;
199 /* */
200 int64_t i_pcr; /* The clock */
201 float i_npt;
202 float i_npt_length;
203 float i_npt_start;
205 /* timeout thread information */
206 int i_timeout; /* session timeout value in seconds */
207 bool b_timeout_call;/* mark to send an RTSP call to prevent server timeout */
208 timeout_thread_t *p_timeout; /* the actual thread that makes sure we don't timeout */
210 /* */
211 bool b_force_mcast;
212 bool b_multicast; /* if one of the tracks is multicasted */
213 bool b_no_data; /* if we never received any data */
214 int i_no_data_ti; /* consecutive number of TaskInterrupt */
216 char event_rtsp;
217 char event_data;
219 bool b_get_param; /* Does the server support GET_PARAMETER */
220 bool b_paused; /* Are we paused? */
221 bool b_error;
222 int i_live555_ret; /* live555 callback return code */
224 float f_seek_request;/* In case we receive a seek request while paused*/
228 class RTSPClientVlc : public RTSPClient
230 public:
231 RTSPClientVlc( UsageEnvironment& env, char const* rtspURL, int verbosityLevel,
232 char const* applicationName, portNumBits tunnelOverHTTPPortNum,
233 demux_sys_t *p_sys) :
234 RTSPClient( env, rtspURL, verbosityLevel, applicationName,
235 tunnelOverHTTPPortNum )
237 this->p_sys = p_sys;
239 demux_sys_t *p_sys;
242 static int Demux ( demux_t * );
243 static int Control( demux_t *, int, va_list );
245 static int Connect ( demux_t * );
246 static int SessionsSetup( demux_t * );
247 static int Play ( demux_t *);
248 static int ParseASF ( demux_t * );
249 static int RollOverTcp ( demux_t * );
251 static void StreamRead ( void *, unsigned int, unsigned int,
252 struct timeval, unsigned int );
253 static void StreamClose ( void * );
254 static void TaskInterruptData( void * );
255 static void TaskInterruptRTSP( void * );
257 static void* TimeoutPrevention( void * );
259 static unsigned char* parseH264ConfigStr( char const* configStr,
260 unsigned int& configSize );
262 /*****************************************************************************
263 * DemuxOpen:
264 *****************************************************************************/
265 static int Open ( vlc_object_t *p_this )
267 demux_t *p_demux = (demux_t*)p_this;
268 demux_sys_t *p_sys = NULL;
270 int i_return;
271 int i_error = VLC_EGENERIC;
273 if( p_demux->s )
275 /* See if it looks like a SDP
276 v, o, s fields are mandatory and in this order */
277 const uint8_t *p_peek;
278 if( stream_Peek( p_demux->s, &p_peek, 7 ) < 7 ) return VLC_EGENERIC;
280 if( memcmp( p_peek, "v=0\r\n", 5 ) &&
281 memcmp( p_peek, "v=0\n", 4 ) &&
282 ( p_peek[0] < 'a' || p_peek[0] > 'z' || p_peek[1] != '=' ) )
284 return VLC_EGENERIC;
288 p_demux->pf_demux = Demux;
289 p_demux->pf_control= Control;
290 p_demux->p_sys = p_sys = (demux_sys_t*)malloc( sizeof( demux_sys_t ) );
291 if( !p_sys ) return VLC_ENOMEM;
293 msg_Dbg( p_demux, "version "LIVEMEDIA_LIBRARY_VERSION_STRING );
295 p_sys->p_sdp = NULL;
296 p_sys->scheduler = NULL;
297 p_sys->env = NULL;
298 p_sys->ms = NULL;
299 p_sys->rtsp = NULL;
300 p_sys->i_track = 0;
301 p_sys->track = NULL;
302 p_sys->i_pcr = 0;
303 p_sys->i_npt = 0.;
304 p_sys->i_npt_start = 0.;
305 p_sys->i_npt_length = 0.;
306 p_sys->p_out_asf = NULL;
307 p_sys->b_no_data = true;
308 p_sys->i_no_data_ti = 0;
309 p_sys->p_timeout = NULL;
310 p_sys->i_timeout = 0;
311 p_sys->b_timeout_call = false;
312 p_sys->b_multicast = false;
313 p_sys->b_real = false;
314 p_sys->psz_path = strdup( p_demux->psz_location );
315 p_sys->b_force_mcast = var_InheritBool( p_demux, "rtsp-mcast" );
316 p_sys->b_get_param = false;
317 p_sys->b_paused = false;
318 p_sys->f_seek_request = -1;
319 p_sys->b_error = false;
320 p_sys->i_live555_ret = 0;
322 /* parse URL for rtsp://[user:[passwd]@]serverip:port/options */
323 vlc_UrlParse( &p_sys->url, p_sys->psz_path, 0 );
325 if( ( p_sys->scheduler = BasicTaskScheduler::createNew() ) == NULL )
327 msg_Err( p_demux, "BasicTaskScheduler::createNew failed" );
328 goto error;
330 if( !( p_sys->env = BasicUsageEnvironment::createNew(*p_sys->scheduler) ) )
332 msg_Err( p_demux, "BasicUsageEnvironment::createNew failed" );
333 goto error;
336 if( strcasecmp( p_demux->psz_access, "sdp" ) )
338 char *p = p_sys->psz_path;
339 while( (p = strchr( p, ' ' )) != NULL ) *p = '+';
342 if( p_demux->s != NULL )
344 /* Gather the complete sdp file */
345 int i_sdp = 0;
346 int i_sdp_max = 1000;
347 uint8_t *p_sdp = (uint8_t*) malloc( i_sdp_max );
349 if( !p_sdp )
351 i_error = VLC_ENOMEM;
352 goto error;
355 for( ;; )
357 int i_read = stream_Read( p_demux->s, &p_sdp[i_sdp],
358 i_sdp_max - i_sdp - 1 );
360 if( !vlc_object_alive (p_demux) )
362 free( p_sdp );
363 goto error;
366 if( i_read < 0 )
368 msg_Err( p_demux, "failed to read SDP" );
369 free( p_sdp );
370 goto error;
373 i_sdp += i_read;
375 if( i_read < i_sdp_max - i_sdp - 1 )
377 p_sdp[i_sdp] = '\0';
378 break;
381 i_sdp_max += 1000;
382 p_sdp = (uint8_t*)xrealloc( p_sdp, i_sdp_max );
384 p_sys->p_sdp = (char*)p_sdp;
386 else if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
388 msg_Err( p_demux, "Failed to connect with rtsp://%s", p_sys->psz_path );
389 goto error;
392 if( p_sys->p_sdp == NULL )
394 msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
395 i_error = VLC_ENOMEM;
396 goto error;
399 if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
401 msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
402 goto error;
405 if( p_sys->b_real ) goto error;
407 if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
408 goto error;
410 if( p_sys->p_out_asf && ParseASF( p_demux ) )
412 msg_Err( p_demux, "cannot find a usable asf header" );
413 /* TODO Clean tracks */
414 goto error;
417 if( p_sys->i_track <= 0 )
418 goto error;
420 return VLC_SUCCESS;
422 error:
423 Close( p_this );
424 return i_error;
427 /*****************************************************************************
428 * DemuxClose:
429 *****************************************************************************/
430 static void Close( vlc_object_t *p_this )
432 demux_t *p_demux = (demux_t*)p_this;
433 demux_sys_t *p_sys = p_demux->p_sys;
435 if( p_sys->p_timeout )
437 vlc_cancel( p_sys->p_timeout->handle );
438 vlc_join( p_sys->p_timeout->handle, NULL );
439 free( p_sys->p_timeout );
442 if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->sendTeardownCommand( *p_sys->ms, NULL );
443 if( p_sys->ms ) Medium::close( p_sys->ms );
444 if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
445 if( p_sys->env ) p_sys->env->reclaim();
447 for( int i = 0; i < p_sys->i_track; i++ )
449 live_track_t *tk = p_sys->track[i];
451 if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
452 es_format_Clean( &tk->fmt );
453 free( tk->p_buffer );
454 free( tk );
457 if( p_sys->i_track ) free( p_sys->track );
458 if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
459 delete p_sys->scheduler;
460 free( p_sys->p_sdp );
461 free( p_sys->psz_path );
463 vlc_UrlClean( &p_sys->url );
465 free( p_sys );
468 static inline const char *strempty( const char *s ) { return s?s:""; }
469 static inline Boolean toBool( bool b ) { return b?True:False; } // silly, no?
471 static void default_live555_callback( RTSPClient* client, int result_code, char* result_string )
473 RTSPClientVlc *client_vlc = static_cast<RTSPClientVlc *> ( client );
474 demux_sys_t *p_sys = client_vlc->p_sys;
475 delete []result_string;
476 p_sys->i_live555_ret = result_code;
477 p_sys->b_error = p_sys->i_live555_ret != 0;
478 p_sys->event_rtsp = 1;
481 /* return true if the RTSP command succeeded */
482 static bool wait_Live555_response( demux_t *p_demux, int i_timeout = 0 /* ms */ )
484 TaskToken task;
485 demux_sys_t * p_sys = p_demux->p_sys;
486 p_sys->event_rtsp = 0;
487 if( i_timeout > 0 )
489 /* Create a task that will be called if we wait more than timeout ms */
490 task = p_sys->scheduler->scheduleDelayedTask( i_timeout*1000,
491 TaskInterruptRTSP,
492 p_demux );
494 p_sys->event_rtsp = 0;
495 p_sys->b_error = true;
496 p_sys->i_live555_ret = 0;
497 p_sys->scheduler->doEventLoop( &p_sys->event_rtsp );
498 //here, if b_error is true and i_live555_ret = 0 we didn't receive a response
499 if( i_timeout > 0 )
501 /* remove the task */
502 p_sys->scheduler->unscheduleDelayedTask( task );
504 return !p_sys->b_error;
507 static void continueAfterDESCRIBE( RTSPClient* client, int result_code,
508 char* result_string )
510 RTSPClientVlc *client_vlc = static_cast<RTSPClientVlc *> ( client );
511 demux_sys_t *p_sys = client_vlc->p_sys;
512 p_sys->i_live555_ret = result_code;
513 if ( result_code == 0 )
515 char* sdpDescription = result_string;
516 free( p_sys->p_sdp );
517 p_sys->p_sdp = NULL;
518 if( sdpDescription )
520 p_sys->p_sdp = strdup( sdpDescription );
521 p_sys->b_error = false;
524 else
525 p_sys->b_error = true;
526 delete[] result_string;
527 p_sys->event_rtsp = 1;
530 static void continueAfterOPTIONS( RTSPClient* client, int result_code,
531 char* result_string )
533 RTSPClientVlc *client_vlc = static_cast<RTSPClientVlc *> (client);
534 demux_sys_t *p_sys = client_vlc->p_sys;
535 p_sys->i_live555_ret = result_code;
536 if ( result_code != 0 )
538 p_sys->b_error = true;
539 p_sys->event_rtsp = 1;
541 else
543 p_sys->b_get_param = result_string != NULL && strstr( result_string, "GET_PARAMETER" ) != NULL;
544 client->sendDescribeCommand( continueAfterDESCRIBE );
546 delete[] result_string;
549 /*****************************************************************************
550 * Connect: connects to the RTSP server to setup the session DESCRIBE
551 *****************************************************************************/
552 static int Connect( demux_t *p_demux )
554 demux_sys_t *p_sys = p_demux->p_sys;
555 Authenticator authenticator;
556 char *psz_user = NULL;
557 char *psz_pwd = NULL;
558 char *psz_url = NULL;
559 int i_http_port = 0;
560 int i_ret = VLC_SUCCESS;
561 const int i_timeout = var_InheritInteger( p_demux, "ipv4-timeout" );
563 /* Get the user name and password */
564 if( p_sys->url.psz_username || p_sys->url.psz_password )
566 /* Create the URL by stripping away the username/password part */
567 if( p_sys->url.i_port == 0 )
568 p_sys->url.i_port = 554;
569 if( asprintf( &psz_url, "rtsp://%s:%d%s",
570 strempty( p_sys->url.psz_host ),
571 p_sys->url.i_port,
572 strempty( p_sys->url.psz_path ) ) == -1 )
573 return VLC_ENOMEM;
575 psz_user = strdup( strempty( p_sys->url.psz_username ) );
576 psz_pwd = strdup( strempty( p_sys->url.psz_password ) );
578 else
580 if( asprintf( &psz_url, "rtsp://%s", p_sys->psz_path ) == -1 )
581 return VLC_ENOMEM;
583 psz_user = var_InheritString( p_demux, "rtsp-user" );
584 psz_pwd = var_InheritString( p_demux, "rtsp-pwd" );
587 createnew:
588 if( !vlc_object_alive (p_demux) )
590 i_ret = VLC_EGENERIC;
591 goto bailout;
594 if( var_InheritBool( p_demux, "rtsp-http" ) )
595 i_http_port = var_InheritInteger( p_demux, "rtsp-http-port" );
597 p_sys->rtsp = new RTSPClientVlc( *p_sys->env, psz_url,
598 var_InheritInteger( p_demux, "verbose" ) > 1 ? 1 : 0,
599 "LibVLC/"VERSION, i_http_port, p_sys );
600 if( !p_sys->rtsp )
602 msg_Err( p_demux, "RTSPClient::createNew failed (%s)",
603 p_sys->env->getResultMsg() );
604 i_ret = VLC_EGENERIC;
605 goto bailout;
608 /* Kasenna enables KeepAlive by analysing the User-Agent string.
609 * Appending _KA to the string should be enough to enable this feature,
610 * however, there is a bug where the _KA doesn't get parsed from the
611 * default User-Agent as created by VLC/Live555 code. This is probably due
612 * to spaces in the string or the string being too long. Here we override
613 * the default string with a more compact version.
615 if( var_InheritBool( p_demux, "rtsp-kasenna" ))
617 p_sys->rtsp->setUserAgentString( "VLC_MEDIA_PLAYER_KA" );
620 describe:
621 authenticator.setUsernameAndPassword( psz_user, psz_pwd );
623 p_sys->rtsp->sendOptionsCommand( &continueAfterOPTIONS, &authenticator );
625 if( !wait_Live555_response( p_demux, i_timeout ) )
627 int i_code = p_sys->i_live555_ret;
628 if( i_code == 401 )
630 msg_Dbg( p_demux, "authentication failed" );
632 free( psz_user );
633 free( psz_pwd );
634 dialog_Login( p_demux, &psz_user, &psz_pwd,
635 _("RTSP authentication"), "%s",
636 _("Please enter a valid login name and a password.") );
637 if( psz_user != NULL && psz_pwd != NULL )
639 msg_Dbg( p_demux, "retrying with user=%s", psz_user );
640 goto describe;
643 else if( i_code > 0 && i_code != 404 && !var_GetBool( p_demux, "rtsp-http" ) )
645 /* Perhaps a firewall is being annoying. Try HTTP tunneling mode */
646 msg_Dbg( p_demux, "we will now try HTTP tunneling mode" );
647 var_SetBool( p_demux, "rtsp-http", true );
648 if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
649 p_sys->rtsp = NULL;
650 goto createnew;
652 else
654 if( i_code == 0 )
655 msg_Dbg( p_demux, "connection timeout" );
656 else
657 msg_Dbg( p_demux, "connection error %d", i_code );
658 if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
659 p_sys->rtsp = NULL;
661 i_ret = VLC_EGENERIC;
664 bailout:
665 /* malloc-ated copy */
666 free( psz_url );
667 free( psz_user );
668 free( psz_pwd );
670 return i_ret;
673 /*****************************************************************************
674 * SessionsSetup: prepares the subsessions and does the SETUP
675 *****************************************************************************/
676 static int SessionsSetup( demux_t *p_demux )
678 demux_sys_t *p_sys = p_demux->p_sys;
679 MediaSubsessionIterator *iter = NULL;
680 MediaSubsession *sub = NULL;
682 bool b_rtsp_tcp = false;
683 int i_client_port;
684 int i_return = VLC_SUCCESS;
685 unsigned int i_buffer = 0;
686 unsigned const thresh = 200000; /* RTP reorder threshold .2 second (default .1) */
688 b_rtsp_tcp = var_CreateGetBool( p_demux, "rtsp-tcp" ) ||
689 var_InheritBool( p_demux, "rtsp-http" );
690 i_client_port = var_InheritInteger( p_demux, "rtp-client-port" );
692 /* Create the session from the SDP */
693 if( !( p_sys->ms = MediaSession::createNew( *p_sys->env, p_sys->p_sdp ) ) )
695 msg_Err( p_demux, "Could not create the RTSP Session: %s",
696 p_sys->env->getResultMsg() );
697 return VLC_EGENERIC;
700 /* Initialise each media subsession */
701 iter = new MediaSubsessionIterator( *p_sys->ms );
702 while( ( sub = iter->next() ) != NULL )
704 Boolean bInit;
705 live_track_t *tk;
707 if( !vlc_object_alive (p_demux) )
709 delete iter;
710 return VLC_EGENERIC;
713 /* Value taken from mplayer */
714 if( !strcmp( sub->mediumName(), "audio" ) )
715 i_buffer = 100000;
716 else if( !strcmp( sub->mediumName(), "video" ) )
717 i_buffer = 2000000;
718 else if( !strcmp( sub->mediumName(), "text" ) )
720 else continue;
722 if( i_client_port != -1 )
724 sub->setClientPortNum( i_client_port );
725 i_client_port += 2;
728 if( strcasestr( sub->codecName(), "REAL" ) )
730 msg_Info( p_demux, "real codec detected, using real-RTSP instead" );
731 p_sys->b_real = true; /* This is a problem, we'll handle it later */
732 continue;
735 if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
736 bInit = sub->initiate( 0 );
737 else
738 bInit = sub->initiate();
740 if( !bInit )
742 msg_Warn( p_demux, "RTP subsession '%s/%s' failed (%s)",
743 sub->mediumName(), sub->codecName(),
744 p_sys->env->getResultMsg() );
746 else
748 if( sub->rtpSource() != NULL )
750 int fd = sub->rtpSource()->RTPgs()->socketNum();
752 /* Increase the buffer size */
753 if( i_buffer > 0 )
754 increaseReceiveBufferTo( *p_sys->env, fd, i_buffer );
756 /* Increase the RTP reorder timebuffer just a bit */
757 sub->rtpSource()->setPacketReorderingThresholdTime(thresh);
759 msg_Dbg( p_demux, "RTP subsession '%s/%s'", sub->mediumName(),
760 sub->codecName() );
762 /* Issue the SETUP */
763 if( p_sys->rtsp )
765 p_sys->rtsp->sendSetupCommand( *sub, default_live555_callback, False,
766 toBool( b_rtsp_tcp ),
767 toBool( p_sys->b_force_mcast && !b_rtsp_tcp ) );
768 if( !wait_Live555_response( p_demux ) )
770 /* if we get an unsupported transport error, toggle TCP
771 * use and try again */
772 if( p_sys->i_live555_ret == 461 )
773 p_sys->rtsp->sendSetupCommand( *sub, default_live555_callback, False,
774 !toBool( b_rtsp_tcp ), False );
775 if( p_sys->i_live555_ret != 461 || !wait_Live555_response( p_demux ) )
777 msg_Err( p_demux, "SETUP of'%s/%s' failed %s",
778 sub->mediumName(), sub->codecName(),
779 p_sys->env->getResultMsg() );
780 continue;
785 /* Check if we will receive data from this subsession for
786 * this track */
787 if( sub->readSource() == NULL ) continue;
788 if( !p_sys->b_multicast )
790 /* We need different rollover behaviour for multicast */
791 p_sys->b_multicast = IsMulticastAddress( sub->connectionEndpointAddress() );
794 tk = (live_track_t*)malloc( sizeof( live_track_t ) );
795 if( !tk )
797 delete iter;
798 return VLC_ENOMEM;
800 tk->p_demux = p_demux;
801 tk->sub = sub;
802 tk->p_es = NULL;
803 tk->b_quicktime = false;
804 tk->b_asf = false;
805 tk->p_asf_block = NULL;
806 tk->b_muxed = false;
807 tk->b_discard_trunc = false;
808 tk->p_out_muxed = NULL;
809 tk->waiting = 0;
810 tk->b_rtcp_sync = false;
811 tk->i_pts = VLC_TS_INVALID;
812 tk->i_npt = 0.;
813 tk->i_buffer = 65536;
814 tk->p_buffer = (uint8_t *)malloc( 65536 );
815 if( !tk->p_buffer )
817 free( tk );
818 delete iter;
819 return VLC_ENOMEM;
822 /* Value taken from mplayer */
823 if( !strcmp( sub->mediumName(), "audio" ) )
825 es_format_Init( &tk->fmt, AUDIO_ES, VLC_FOURCC('u','n','d','f') );
826 tk->fmt.audio.i_channels = sub->numChannels();
827 tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
829 if( !strcmp( sub->codecName(), "MPA" ) ||
830 !strcmp( sub->codecName(), "MPA-ROBUST" ) ||
831 !strcmp( sub->codecName(), "X-MP3-DRAFT-00" ) )
833 tk->fmt.i_codec = VLC_CODEC_MPGA;
834 tk->fmt.audio.i_rate = 0;
836 else if( !strcmp( sub->codecName(), "AC3" ) )
838 tk->fmt.i_codec = VLC_CODEC_A52;
839 tk->fmt.audio.i_rate = 0;
841 else if( !strcmp( sub->codecName(), "L16" ) )
843 tk->fmt.i_codec = VLC_CODEC_S16B;
844 tk->fmt.audio.i_bitspersample = 16;
846 else if( !strcmp( sub->codecName(), "L20" ) )
848 tk->fmt.i_codec = VLC_CODEC_S20B;
849 tk->fmt.audio.i_bitspersample = 20;
851 else if( !strcmp( sub->codecName(), "L24" ) )
853 tk->fmt.i_codec = VLC_CODEC_S24B;
854 tk->fmt.audio.i_bitspersample = 24;
856 else if( !strcmp( sub->codecName(), "L8" ) )
858 tk->fmt.i_codec = VLC_CODEC_U8;
859 tk->fmt.audio.i_bitspersample = 8;
861 else if( !strcmp( sub->codecName(), "DAT12" ) )
863 tk->fmt.i_codec = VLC_CODEC_DAT12;
864 tk->fmt.audio.i_bitspersample = 12;
866 else if( !strcmp( sub->codecName(), "PCMU" ) )
868 tk->fmt.i_codec = VLC_CODEC_MULAW;
869 tk->fmt.audio.i_bitspersample = 8;
871 else if( !strcmp( sub->codecName(), "PCMA" ) )
873 tk->fmt.i_codec = VLC_CODEC_ALAW;
874 tk->fmt.audio.i_bitspersample = 8;
876 else if( !strncmp( sub->codecName(), "G726", 4 ) )
878 tk->fmt.i_codec = VLC_CODEC_ADPCM_G726;
879 tk->fmt.audio.i_rate = 8000;
880 tk->fmt.audio.i_channels = 1;
881 if( !strcmp( sub->codecName()+5, "40" ) )
882 tk->fmt.i_bitrate = 40000;
883 else if( !strcmp( sub->codecName()+5, "32" ) )
884 tk->fmt.i_bitrate = 32000;
885 else if( !strcmp( sub->codecName()+5, "24" ) )
886 tk->fmt.i_bitrate = 24000;
887 else if( !strcmp( sub->codecName()+5, "16" ) )
888 tk->fmt.i_bitrate = 16000;
890 else if( !strcmp( sub->codecName(), "AMR" ) )
892 tk->fmt.i_codec = VLC_CODEC_AMR_NB;
894 else if( !strcmp( sub->codecName(), "AMR-WB" ) )
896 tk->fmt.i_codec = VLC_CODEC_AMR_WB;
898 else if( !strcmp( sub->codecName(), "MP4A-LATM" ) )
900 unsigned int i_extra;
901 uint8_t *p_extra;
903 tk->fmt.i_codec = VLC_CODEC_MP4A;
905 if( ( p_extra = parseStreamMuxConfigStr( sub->fmtp_config(),
906 i_extra ) ) )
908 tk->fmt.i_extra = i_extra;
909 tk->fmt.p_extra = xmalloc( i_extra );
910 memcpy( tk->fmt.p_extra, p_extra, i_extra );
911 delete[] p_extra;
913 /* Because the "faad" decoder does not handle the LATM
914 * data length field at the start of each returned LATM
915 * frame, tell the RTP source to omit it. */
916 ((MPEG4LATMAudioRTPSource*)sub->rtpSource())->omitLATMDataLengthField();
918 else if( !strcmp( sub->codecName(), "MPEG4-GENERIC" ) )
920 unsigned int i_extra;
921 uint8_t *p_extra;
923 tk->fmt.i_codec = VLC_CODEC_MP4A;
925 if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
926 i_extra ) ) )
928 tk->fmt.i_extra = i_extra;
929 tk->fmt.p_extra = xmalloc( i_extra );
930 memcpy( tk->fmt.p_extra, p_extra, i_extra );
931 delete[] p_extra;
934 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
936 tk->b_asf = true;
937 if( p_sys->p_out_asf == NULL )
938 p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
939 p_demux->out );
941 else if( !strcmp( sub->codecName(), "X-QT" ) ||
942 !strcmp( sub->codecName(), "X-QUICKTIME" ) )
944 tk->b_quicktime = true;
946 else if( !strcmp( sub->codecName(), "SPEEX" ) )
948 tk->fmt.i_codec = VLC_FOURCC( 's', 'p', 'x', 'r' );
949 if ( sub->rtpTimestampFrequency() )
950 tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
951 else
953 msg_Warn( p_demux,"Using 8kHz as default sample rate." );
954 tk->fmt.audio.i_rate = 8000;
958 else if( !strcmp( sub->mediumName(), "video" ) )
960 es_format_Init( &tk->fmt, VIDEO_ES, VLC_FOURCC('u','n','d','f') );
961 if( !strcmp( sub->codecName(), "MPV" ) )
963 tk->fmt.i_codec = VLC_CODEC_MPGV;
964 tk->fmt.b_packetized = false;
966 else if( !strcmp( sub->codecName(), "H263" ) ||
967 !strcmp( sub->codecName(), "H263-1998" ) ||
968 !strcmp( sub->codecName(), "H263-2000" ) )
970 tk->fmt.i_codec = VLC_CODEC_H263;
972 else if( !strcmp( sub->codecName(), "H261" ) )
974 tk->fmt.i_codec = VLC_CODEC_H261;
976 else if( !strcmp( sub->codecName(), "H264" ) )
978 unsigned int i_extra = 0;
979 uint8_t *p_extra = NULL;
981 tk->fmt.i_codec = VLC_CODEC_H264;
982 tk->fmt.b_packetized = false;
984 if((p_extra=parseH264ConfigStr( sub->fmtp_spropparametersets(),
985 i_extra ) ) )
987 tk->fmt.i_extra = i_extra;
988 tk->fmt.p_extra = xmalloc( i_extra );
989 memcpy( tk->fmt.p_extra, p_extra, i_extra );
991 delete[] p_extra;
994 else if( !strcmp( sub->codecName(), "JPEG" ) )
996 tk->fmt.i_codec = VLC_CODEC_MJPG;
998 else if( !strcmp( sub->codecName(), "MP4V-ES" ) )
1000 unsigned int i_extra;
1001 uint8_t *p_extra;
1003 tk->fmt.i_codec = VLC_CODEC_MP4V;
1005 if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
1006 i_extra ) ) )
1008 tk->fmt.i_extra = i_extra;
1009 tk->fmt.p_extra = xmalloc( i_extra );
1010 memcpy( tk->fmt.p_extra, p_extra, i_extra );
1011 delete[] p_extra;
1014 else if( !strcmp( sub->codecName(), "X-QT" ) ||
1015 !strcmp( sub->codecName(), "X-QUICKTIME" ) ||
1016 !strcmp( sub->codecName(), "X-QDM" ) ||
1017 !strcmp( sub->codecName(), "X-SV3V-ES" ) ||
1018 !strcmp( sub->codecName(), "X-SORENSONVIDEO" ) )
1020 tk->b_quicktime = true;
1022 else if( !strcmp( sub->codecName(), "MP2T" ) )
1024 tk->b_muxed = true;
1025 tk->p_out_muxed = stream_DemuxNew( p_demux, "ts", p_demux->out );
1027 else if( !strcmp( sub->codecName(), "MP2P" ) ||
1028 !strcmp( sub->codecName(), "MP1S" ) )
1030 tk->b_muxed = true;
1031 tk->p_out_muxed = stream_DemuxNew( p_demux, "ps",
1032 p_demux->out );
1034 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
1036 tk->b_asf = true;
1037 if( p_sys->p_out_asf == NULL )
1038 p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
1039 p_demux->out );;
1041 else if( !strcmp( sub->codecName(), "DV" ) )
1043 tk->b_muxed = true;
1044 tk->b_discard_trunc = true;
1045 tk->p_out_muxed = stream_DemuxNew( p_demux, "rawdv",
1046 p_demux->out );
1049 else if( !strcmp( sub->mediumName(), "text" ) )
1051 es_format_Init( &tk->fmt, SPU_ES, VLC_FOURCC('u','n','d','f') );
1053 if( !strcmp( sub->codecName(), "T140" ) )
1055 tk->fmt.i_codec = VLC_CODEC_ITU_T140;
1059 if( !tk->b_quicktime && !tk->b_muxed && !tk->b_asf )
1061 tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1064 if( sub->rtcpInstance() != NULL )
1066 sub->rtcpInstance()->setByeHandler( StreamClose, tk );
1069 if( tk->p_es || tk->b_quicktime || ( tk->b_muxed && tk->p_out_muxed ) ||
1070 ( tk->b_asf && p_sys->p_out_asf ) )
1072 /* Append */
1073 p_sys->track = (live_track_t**)xrealloc( p_sys->track,
1074 sizeof( live_track_t ) * ( p_sys->i_track + 1 ) );
1075 p_sys->track[p_sys->i_track++] = tk;
1077 else
1079 /* BUG ??? */
1080 msg_Err( p_demux, "unusable RTSP track. this should not happen" );
1081 es_format_Clean( &tk->fmt );
1082 free( tk );
1086 delete iter;
1087 if( p_sys->i_track <= 0 ) i_return = VLC_EGENERIC;
1089 /* Retrieve the starttime if possible */
1090 p_sys->i_npt_start = p_sys->ms->playStartTime();
1092 /* Retrieve the duration if possible */
1093 p_sys->i_npt_length = p_sys->ms->playEndTime();
1095 /* */
1096 msg_Dbg( p_demux, "setup start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1098 /* */
1099 p_sys->b_no_data = true;
1100 p_sys->i_no_data_ti = 0;
1102 return i_return;
1105 /*****************************************************************************
1106 * Play: starts the actual playback of the stream
1107 *****************************************************************************/
1108 static int Play( demux_t *p_demux )
1110 demux_sys_t *p_sys = p_demux->p_sys;
1112 if( p_sys->rtsp )
1114 /* The PLAY */
1115 p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, p_sys->i_npt_start, -1, 1 );
1117 if( !wait_Live555_response(p_demux) )
1119 msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() );
1120 return VLC_EGENERIC;
1123 /* Retrieve the timeout value and set up a timeout prevention thread */
1124 p_sys->i_timeout = p_sys->rtsp->sessionTimeoutParameter();
1125 if( p_sys->i_timeout <= 0 )
1126 p_sys->i_timeout = 60; /* default value from RFC2326 */
1128 /* start timeout-thread only if GET_PARAMETER is supported by the server */
1129 if( !p_sys->p_timeout && p_sys->b_get_param )
1131 msg_Dbg( p_demux, "We have a timeout of %d seconds", p_sys->i_timeout );
1132 p_sys->p_timeout = (timeout_thread_t *)malloc( sizeof(timeout_thread_t) );
1133 if( p_sys->p_timeout )
1135 memset( p_sys->p_timeout, 0, sizeof(timeout_thread_t) );
1136 p_sys->p_timeout->p_sys = p_demux->p_sys; /* lol, object recursion :D */
1137 if( vlc_clone( &p_sys->p_timeout->handle, TimeoutPrevention,
1138 p_sys->p_timeout, VLC_THREAD_PRIORITY_LOW ) )
1140 msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1141 free( p_sys->p_timeout );
1142 p_sys->p_timeout = NULL;
1144 else
1145 msg_Dbg( p_demux, "spawned timeout thread" );
1147 else
1148 msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1151 p_sys->i_pcr = 0;
1153 /* Retrieve the starttime if possible */
1154 p_sys->i_npt_start = p_sys->ms->playStartTime();
1155 if( p_sys->ms->playEndTime() > 0 )
1156 p_sys->i_npt_length = p_sys->ms->playEndTime();
1158 msg_Dbg( p_demux, "play start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1159 return VLC_SUCCESS;
1163 /*****************************************************************************
1164 * Demux:
1165 *****************************************************************************/
1166 static int Demux( demux_t *p_demux )
1168 demux_sys_t *p_sys = p_demux->p_sys;
1169 TaskToken task;
1171 bool b_send_pcr = true;
1172 int64_t i_pcr = 0;
1173 int i;
1175 /* Check if we need to send the server a Keep-A-Live signal */
1176 if( p_sys->b_timeout_call && p_sys->rtsp && p_sys->ms )
1178 char *psz_bye = NULL;
1179 p_sys->rtsp->sendGetParameterCommand( *p_sys->ms, NULL, psz_bye );
1180 p_sys->b_timeout_call = false;
1183 for( i = 0; i < p_sys->i_track; i++ )
1185 live_track_t *tk = p_sys->track[i];
1187 if( tk->b_asf || tk->b_muxed )
1188 b_send_pcr = false;
1189 #if 0
1190 if( i_pcr == 0 )
1192 i_pcr = tk->i_pts;
1194 else if( tk->i_pts != 0 && i_pcr > tk->i_pts )
1196 i_pcr = tk->i_pts ;
1198 #endif
1200 if( p_sys->i_pcr > 0 )
1202 if( b_send_pcr )
1203 es_out_Control( p_demux->out, ES_OUT_SET_PCR, 1 + p_sys->i_pcr );
1206 /* First warn we want to read data */
1207 p_sys->event_data = 0;
1208 for( i = 0; i < p_sys->i_track; i++ )
1210 live_track_t *tk = p_sys->track[i];
1212 if( tk->waiting == 0 )
1214 tk->waiting = 1;
1215 tk->sub->readSource()->getNextFrame( tk->p_buffer, tk->i_buffer,
1216 StreamRead, tk, StreamClose, tk );
1219 /* Create a task that will be called if we wait more than 300ms */
1220 task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterruptData, p_demux );
1222 /* Do the read */
1223 p_sys->scheduler->doEventLoop( &p_sys->event_data );
1225 /* remove the task */
1226 p_sys->scheduler->unscheduleDelayedTask( task );
1228 /* Check for gap in pts value */
1229 for( i = 0; i < p_sys->i_track; i++ )
1231 live_track_t *tk = p_sys->track[i];
1233 if( !tk->b_muxed && !tk->b_rtcp_sync &&
1234 tk->sub->rtpSource() && tk->sub->rtpSource()->hasBeenSynchronizedUsingRTCP() )
1236 msg_Dbg( p_demux, "tk->rtpSource->hasBeenSynchronizedUsingRTCP()" );
1238 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1239 tk->b_rtcp_sync = true;
1240 /* reset PCR */
1241 tk->i_pts = VLC_TS_INVALID;
1242 tk->i_npt = 0.;
1243 p_sys->i_pcr = 0;
1244 p_sys->i_npt = 0.;
1245 i_pcr = 0;
1249 if( p_sys->b_multicast && p_sys->b_no_data &&
1250 ( p_sys->i_no_data_ti > 120 ) )
1252 /* FIXME Make this configurable
1253 msg_Err( p_demux, "no multicast data received in 36s, aborting" );
1254 return 0;
1257 else if( !p_sys->b_multicast && !p_sys->b_paused &&
1258 p_sys->b_no_data && ( p_sys->i_no_data_ti > 34 ) )
1260 bool b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" ) ||
1261 var_GetBool( p_demux, "rtsp-http" );
1263 if( !b_rtsp_tcp && p_sys->rtsp && p_sys->ms )
1265 msg_Warn( p_demux, "no data received in 10s. Switching to TCP" );
1266 if( RollOverTcp( p_demux ) )
1268 msg_Err( p_demux, "TCP rollover failed, aborting" );
1269 return 0;
1271 return 1;
1273 msg_Err( p_demux, "no data received in 10s, aborting" );
1274 return 0;
1276 else if( !p_sys->b_multicast && !p_sys->b_paused &&
1277 ( p_sys->i_no_data_ti > 34 ) )
1279 /* EOF ? */
1280 msg_Warn( p_demux, "no data received in 10s, eof ?" );
1281 return 0;
1283 return p_sys->b_error ? 0 : 1;
1286 /*****************************************************************************
1287 * Control:
1288 *****************************************************************************/
1289 static int Control( demux_t *p_demux, int i_query, va_list args )
1291 demux_sys_t *p_sys = p_demux->p_sys;
1292 int64_t *pi64, i64;
1293 double *pf, f;
1294 bool *pb, *pb2;
1295 int *pi_int;
1297 switch( i_query )
1299 case DEMUX_GET_TIME:
1300 pi64 = (int64_t*)va_arg( args, int64_t * );
1301 if( p_sys->i_npt > 0 )
1303 *pi64 = (int64_t)(p_sys->i_npt * 1000000.);
1304 return VLC_SUCCESS;
1306 return VLC_EGENERIC;
1308 case DEMUX_GET_LENGTH:
1309 pi64 = (int64_t*)va_arg( args, int64_t * );
1310 if( p_sys->i_npt_length > 0 )
1312 *pi64 = (int64_t)((double)p_sys->i_npt_length * 1000000.0);
1313 return VLC_SUCCESS;
1315 return VLC_EGENERIC;
1317 case DEMUX_GET_POSITION:
1318 pf = (double*)va_arg( args, double* );
1319 if( (p_sys->i_npt_length > 0) && (p_sys->i_npt > 0) )
1321 *pf = ( (double)p_sys->i_npt / (double)p_sys->i_npt_length );
1322 return VLC_SUCCESS;
1324 return VLC_EGENERIC;
1326 case DEMUX_SET_POSITION:
1327 case DEMUX_SET_TIME:
1328 if( p_sys->rtsp && (p_sys->i_npt_length > 0) )
1330 int i;
1331 float time;
1333 if( (i_query == DEMUX_SET_TIME) && (p_sys->i_npt > 0) )
1335 i64 = (int64_t)va_arg( args, int64_t );
1336 time = (float)((double)i64 / (double)1000000.0); /* in second */
1338 else if( i_query == DEMUX_SET_TIME )
1339 return VLC_EGENERIC;
1340 else
1342 f = (double)va_arg( args, double );
1343 time = f * (double)p_sys->i_npt_length; /* in second */
1346 if( p_sys->b_paused )
1348 p_sys->f_seek_request = time;
1349 return VLC_SUCCESS;
1352 p_sys->rtsp->sendPauseCommand( *p_sys->ms, default_live555_callback );
1354 if( !wait_Live555_response( p_demux ) )
1356 msg_Err( p_demux, "PAUSE before seek failed %s",
1357 p_sys->env->getResultMsg() );
1358 return VLC_EGENERIC;
1361 p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, time, -1, 1 );
1363 if( !wait_Live555_response( p_demux ) )
1365 msg_Err( p_demux, "seek PLAY failed %s",
1366 p_sys->env->getResultMsg() );
1367 return VLC_EGENERIC;
1369 p_sys->i_pcr = 0;
1371 /* Retrieve RTP-Info values */
1372 for( i = 0; i < p_sys->i_track; i++ )
1374 p_sys->track[i]->b_rtcp_sync = false;
1375 p_sys->track[i]->i_pts = VLC_TS_INVALID;
1378 /* Retrieve the starttime if possible */
1379 p_sys->i_npt = p_sys->i_npt_start = p_sys->ms->playStartTime();
1381 /* Retrieve the duration if possible */
1382 if( p_sys->ms->playEndTime() > 0 )
1383 p_sys->i_npt_length = p_sys->ms->playEndTime();
1385 msg_Dbg( p_demux, "seek start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1386 return VLC_SUCCESS;
1388 return VLC_EGENERIC;
1390 /* Special for access_demux */
1391 case DEMUX_CAN_PAUSE:
1392 case DEMUX_CAN_SEEK:
1393 pb = (bool*)va_arg( args, bool * );
1394 if( p_sys->rtsp && p_sys->i_npt_length > 0 )
1395 /* Not always true, but will be handled in SET_PAUSE_STATE */
1396 *pb = true;
1397 else
1398 *pb = false;
1399 return VLC_SUCCESS;
1401 case DEMUX_CAN_CONTROL_PACE:
1402 pb = (bool*)va_arg( args, bool * );
1404 #if 1 /* Disable for now until we have a clock synchro algo
1405 * which works with something else than MPEG over UDP */
1406 *pb = false;
1407 #else
1408 *pb = true;
1409 #endif
1410 return VLC_SUCCESS;
1412 case DEMUX_CAN_CONTROL_RATE:
1413 pb = (bool*)va_arg( args, bool * );
1414 pb2 = (bool*)va_arg( args, bool * );
1416 *pb = (p_sys->rtsp != NULL) &&
1417 (p_sys->i_npt_length > 0) &&
1418 ( !var_GetBool( p_demux, "rtsp-kasenna" ) ||
1419 !var_GetBool( p_demux, "rtsp-wmserver" ) );
1420 *pb2 = false;
1421 return VLC_SUCCESS;
1423 case DEMUX_SET_RATE:
1425 double f_scale, f_old_scale;
1427 if( !p_sys->rtsp || (p_sys->i_npt_length <= 0) ||
1428 var_GetBool( p_demux, "rtsp-kasenna" ) ||
1429 var_GetBool( p_demux, "rtsp-wmserver" ) )
1430 return VLC_EGENERIC;
1432 /* According to RFC 2326 p56 chapter 12.35 a RTSP server that
1433 * supports Scale:
1435 * "[...] should try to approximate the viewing rate, but
1436 * may restrict the range of scale values that it supports.
1437 * The response MUST contain the actual scale value chosen
1438 * by the server."
1440 * Scale = 1 indicates normal play
1441 * Scale > 1 indicates fast forward
1442 * Scale < 1 && Scale > 0 indicates slow motion
1443 * Scale < 0 value indicates rewind
1446 pi_int = (int*)va_arg( args, int * );
1447 f_scale = (double)INPUT_RATE_DEFAULT / (*pi_int);
1448 f_old_scale = p_sys->ms->scale();
1450 /* Passing -1 for the start and end time will mean liveMedia won't
1451 * create a Range: section for the RTSP message. The server should
1452 * pick up from the current position */
1453 p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, -1, -1, f_scale );
1455 if( !wait_Live555_response( p_demux ) )
1457 msg_Err( p_demux, "PLAY with Scale %0.2f failed %s", f_scale,
1458 p_sys->env->getResultMsg() );
1459 return VLC_EGENERIC;
1462 if( p_sys->ms->scale() == f_old_scale )
1464 msg_Err( p_demux, "no scale change using old Scale %0.2f",
1465 p_sys->ms->scale() );
1466 return VLC_EGENERIC;
1469 /* ReSync the stream */
1470 p_sys->i_npt_start = 0;
1471 p_sys->i_pcr = 0;
1472 p_sys->i_npt = 0.0;
1474 *pi_int = (int)( INPUT_RATE_DEFAULT / p_sys->ms->scale() );
1475 msg_Dbg( p_demux, "PLAY with new Scale %0.2f (%d)", p_sys->ms->scale(), (*pi_int) );
1476 return VLC_SUCCESS;
1479 case DEMUX_SET_PAUSE_STATE:
1481 bool b_pause = (bool)va_arg( args, int );
1482 if( p_sys->rtsp == NULL )
1483 return VLC_EGENERIC;
1485 if( b_pause == p_sys->b_paused )
1486 return VLC_SUCCESS;
1487 if( b_pause )
1488 p_sys->rtsp->sendPauseCommand( *p_sys->ms, default_live555_callback );
1489 else
1490 p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, p_sys->f_seek_request,
1491 -1.0f, p_sys->ms->scale() );
1493 if( !wait_Live555_response( p_demux ) )
1495 msg_Err( p_demux, "PLAY or PAUSE failed %s", p_sys->env->getResultMsg() );
1496 return VLC_EGENERIC;
1498 p_sys->f_seek_request = -1;
1499 p_sys->b_paused = b_pause;
1501 /* When we Pause, we'll need the TimeoutPrevention thread to
1502 * handle sending the "Keep Alive" message to the server.
1503 * Unfortunately Live555 isn't thread safe and so can't
1504 * do this normally while the main Demux thread is handling
1505 * a live stream. We end up with the Timeout thread blocking
1506 * waiting for a response from the server. So when we PAUSE
1507 * we set a flag that the TimeoutPrevention function will check
1508 * and if it's set, it will trigger the GET_PARAMETER message */
1509 if( p_sys->b_paused && p_sys->p_timeout != NULL )
1510 p_sys->p_timeout->b_handle_keep_alive = true;
1511 else if( !p_sys->b_paused && p_sys->p_timeout != NULL )
1512 p_sys->p_timeout->b_handle_keep_alive = false;
1514 if( !p_sys->b_paused )
1516 for( int i = 0; i < p_sys->i_track; i++ )
1518 live_track_t *tk = p_sys->track[i];
1519 tk->b_rtcp_sync = false;
1520 tk->i_pts = VLC_TS_INVALID;
1521 p_sys->i_pcr = 0;
1522 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1526 /* Reset data received counter */
1527 p_sys->i_no_data_ti = 0;
1529 /* Retrieve the starttime if possible */
1530 p_sys->i_npt_start = p_sys->ms->playStartTime();
1532 /* Retrieve the duration if possible */
1533 if( p_sys->ms->playEndTime() )
1534 p_sys->i_npt_length = p_sys->ms->playEndTime();
1536 msg_Dbg( p_demux, "pause start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1537 return VLC_SUCCESS;
1539 case DEMUX_GET_TITLE_INFO:
1540 case DEMUX_SET_TITLE:
1541 case DEMUX_SET_SEEKPOINT:
1542 return VLC_EGENERIC;
1544 case DEMUX_GET_PTS_DELAY:
1545 pi64 = (int64_t*)va_arg( args, int64_t * );
1546 *pi64 = INT64_C(1000)
1547 * var_GetInteger( p_demux, "network-caching" );
1548 return VLC_SUCCESS;
1550 default:
1551 return VLC_EGENERIC;
1555 /*****************************************************************************
1556 * RollOverTcp: reopen the rtsp into TCP mode
1557 * XXX: ugly, a lot of code are duplicated from Open()
1558 * This should REALLY be fixed
1559 *****************************************************************************/
1560 static int RollOverTcp( demux_t *p_demux )
1562 demux_sys_t *p_sys = p_demux->p_sys;
1563 int i, i_return;
1565 var_SetBool( p_demux, "rtsp-tcp", true );
1567 /* We close the old RTSP session */
1568 p_sys->rtsp->sendTeardownCommand( *p_sys->ms, NULL );
1569 Medium::close( p_sys->ms );
1570 RTSPClient::close( p_sys->rtsp );
1572 for( i = 0; i < p_sys->i_track; i++ )
1574 live_track_t *tk = p_sys->track[i];
1576 if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
1577 if( tk->p_es ) es_out_Del( p_demux->out, tk->p_es );
1578 if( tk->p_asf_block ) block_Release( tk->p_asf_block );
1579 es_format_Clean( &tk->fmt );
1580 free( tk->p_buffer );
1581 free( tk );
1583 if( p_sys->i_track ) free( p_sys->track );
1584 if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
1586 p_sys->ms = NULL;
1587 p_sys->rtsp = NULL;
1588 p_sys->track = NULL;
1589 p_sys->i_track = 0;
1590 p_sys->b_no_data = true;
1591 p_sys->i_no_data_ti = 0;
1592 p_sys->p_out_asf = NULL;
1594 /* Reopen rtsp client */
1595 if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
1597 msg_Err( p_demux, "Failed to connect with rtsp://%s",
1598 p_sys->psz_path );
1599 goto error;
1602 if( p_sys->p_sdp == NULL )
1604 msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
1605 goto error;
1608 if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
1610 msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
1611 goto error;
1614 if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
1615 goto error;
1617 return VLC_SUCCESS;
1619 error:
1620 return VLC_EGENERIC;
1624 /*****************************************************************************
1626 *****************************************************************************/
1627 static block_t *StreamParseAsf( demux_t *p_demux, live_track_t *tk,
1628 bool b_marker,
1629 const uint8_t *p_data, unsigned i_size )
1631 const unsigned i_packet_size = p_demux->p_sys->asfh.i_min_data_packet_size;
1632 block_t *p_list = NULL;
1634 while( i_size >= 4 )
1636 unsigned i_flags = p_data[0];
1637 unsigned i_length_offset = (p_data[1] << 16) |
1638 (p_data[2] << 8) |
1639 (p_data[3] );
1640 bool b_length = i_flags & 0x40;
1641 bool b_relative_ts = i_flags & 0x20;
1642 bool b_duration = i_flags & 0x10;
1643 bool b_location_id = i_flags & 0x08;
1645 //msg_Dbg( p_demux, "ASF: marker=%d size=%d : %c=%d id=%d",
1646 // b_marker, i_size, b_length ? 'L' : 'O', i_length_offset );
1647 unsigned i_header_size = 4;
1648 if( b_relative_ts )
1649 i_header_size += 4;
1650 if( b_duration )
1651 i_header_size += 4;
1652 if( b_location_id )
1653 i_header_size += 4;
1655 if( i_header_size > i_size )
1657 msg_Warn( p_demux, "Invalid header size" );
1658 break;
1661 /* XXX
1662 * When b_length is true, the streams I found do not seems to respect
1663 * the documentation.
1664 * From them, I have failed to find which choice between '__MIN()' or
1665 * 'i_length_offset - i_header_size' is the right one.
1667 unsigned i_payload;
1668 if( b_length )
1669 i_payload = __MIN( i_length_offset, i_size - i_header_size);
1670 else
1671 i_payload = i_size - i_header_size;
1673 if( !tk->p_asf_block )
1675 tk->p_asf_block = block_New( p_demux, i_packet_size );
1676 if( !tk->p_asf_block )
1677 break;
1678 tk->p_asf_block->i_buffer = 0;
1680 unsigned i_offset = b_length ? 0 : i_length_offset;
1681 if( i_offset == tk->p_asf_block->i_buffer && i_offset + i_payload <= i_packet_size )
1683 memcpy( &tk->p_asf_block->p_buffer[i_offset], &p_data[i_header_size], i_payload );
1684 tk->p_asf_block->i_buffer += i_payload;
1685 if( b_marker )
1687 /* We have a complete packet */
1688 tk->p_asf_block->i_buffer = i_packet_size;
1689 block_ChainAppend( &p_list, tk->p_asf_block );
1690 tk->p_asf_block = NULL;
1693 else
1695 /* Reset on broken stream */
1696 msg_Err( p_demux, "Broken packet detected (%d vs %zu or %d + %d vs %d)",
1697 i_offset, tk->p_asf_block->i_buffer, i_offset, i_payload, i_packet_size);
1698 tk->p_asf_block->i_buffer = 0;
1701 /* */
1702 p_data += i_header_size + i_payload;
1703 i_size -= i_header_size + i_payload;
1705 return p_list;
1708 /*****************************************************************************
1710 *****************************************************************************/
1711 static void StreamRead( void *p_private, unsigned int i_size,
1712 unsigned int i_truncated_bytes, struct timeval pts,
1713 unsigned int duration )
1715 VLC_UNUSED( duration );
1717 live_track_t *tk = (live_track_t*)p_private;
1718 demux_t *p_demux = tk->p_demux;
1719 demux_sys_t *p_sys = p_demux->p_sys;
1720 block_t *p_block;
1722 //msg_Dbg( p_demux, "pts: %d", pts.tv_sec );
1724 int64_t i_pts = (int64_t)pts.tv_sec * INT64_C(1000000) +
1725 (int64_t)pts.tv_usec;
1727 /* XXX Beurk beurk beurk Avoid having negative value XXX */
1728 i_pts &= INT64_C(0x00ffffffffffffff);
1730 /* Retrieve NPT for this pts */
1731 tk->i_npt = tk->sub->getNormalPlayTime(pts);
1733 if( tk->b_quicktime && tk->p_es == NULL )
1735 QuickTimeGenericRTPSource *qtRTPSource =
1736 (QuickTimeGenericRTPSource*)tk->sub->rtpSource();
1737 QuickTimeGenericRTPSource::QTState &qtState = qtRTPSource->qtState;
1738 uint8_t *sdAtom = (uint8_t*)&qtState.sdAtom[4];
1740 if( tk->fmt.i_cat == VIDEO_ES ) {
1741 if( qtState.sdAtomSize < 16 + 32 )
1743 /* invalid */
1744 p_sys->event_data = 0xff;
1745 tk->waiting = 0;
1746 return;
1748 tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1749 tk->fmt.video.i_width = (sdAtom[28] << 8) | sdAtom[29];
1750 tk->fmt.video.i_height = (sdAtom[30] << 8) | sdAtom[31];
1752 if( tk->fmt.i_codec == VLC_FOURCC('a', 'v', 'c', '1') )
1754 uint8_t *pos = (uint8_t*)qtRTPSource->qtState.sdAtom + 86;
1755 uint8_t *endpos = (uint8_t*)qtRTPSource->qtState.sdAtom
1756 + qtRTPSource->qtState.sdAtomSize;
1757 while (pos+8 < endpos) {
1758 unsigned int atomLength = pos[0]<<24 | pos[1]<<16 | pos[2]<<8 | pos[3];
1759 if( atomLength == 0 || atomLength > (unsigned int)(endpos-pos)) break;
1760 if( memcmp(pos+4, "avcC", 4) == 0 &&
1761 atomLength > 8 &&
1762 atomLength <= INT_MAX )
1764 tk->fmt.i_extra = atomLength-8;
1765 tk->fmt.p_extra = xmalloc( tk->fmt.i_extra );
1766 memcpy(tk->fmt.p_extra, pos+8, atomLength-8);
1767 break;
1769 pos += atomLength;
1772 else
1774 tk->fmt.i_extra = qtState.sdAtomSize - 16;
1775 tk->fmt.p_extra = xmalloc( tk->fmt.i_extra );
1776 memcpy( tk->fmt.p_extra, &sdAtom[12], tk->fmt.i_extra );
1779 else {
1780 if( qtState.sdAtomSize < 4 )
1782 /* invalid */
1783 p_sys->event_data = 0xff;
1784 tk->waiting = 0;
1785 return;
1787 tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1789 tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1792 #if 0
1793 fprintf( stderr, "StreamRead size=%d pts=%lld\n",
1794 i_size,
1795 pts.tv_sec * 1000000LL + pts.tv_usec );
1796 #endif
1798 /* grow buffer if it looks like buffer is too small, but don't eat
1799 * up all the memory on strange streams */
1800 if( i_truncated_bytes > 0 )
1802 if( tk->i_buffer < 2000000 )
1804 void *p_tmp;
1805 msg_Dbg( p_demux, "lost %d bytes", i_truncated_bytes );
1806 msg_Dbg( p_demux, "increasing buffer size to %d", tk->i_buffer * 2 );
1807 p_tmp = realloc( tk->p_buffer, tk->i_buffer * 2 );
1808 if( p_tmp == NULL )
1810 msg_Warn( p_demux, "realloc failed" );
1812 else
1814 tk->p_buffer = (uint8_t*)p_tmp;
1815 tk->i_buffer *= 2;
1819 if( tk->b_discard_trunc )
1821 p_sys->event_data = 0xff;
1822 tk->waiting = 0;
1823 return;
1827 assert( i_size <= tk->i_buffer );
1829 if( tk->fmt.i_codec == VLC_CODEC_AMR_NB ||
1830 tk->fmt.i_codec == VLC_CODEC_AMR_WB )
1832 AMRAudioSource *amrSource = (AMRAudioSource*)tk->sub->readSource();
1834 p_block = block_New( p_demux, i_size + 1 );
1835 p_block->p_buffer[0] = amrSource->lastFrameHeader();
1836 memcpy( p_block->p_buffer + 1, tk->p_buffer, i_size );
1838 else if( tk->fmt.i_codec == VLC_CODEC_H261 )
1840 H261VideoRTPSource *h261Source = (H261VideoRTPSource*)tk->sub->rtpSource();
1841 uint32_t header = h261Source->lastSpecialHeader();
1842 p_block = block_New( p_demux, i_size + 4 );
1843 memcpy( p_block->p_buffer, &header, 4 );
1844 memcpy( p_block->p_buffer + 4, tk->p_buffer, i_size );
1846 if( tk->sub->rtpSource()->curPacketMarkerBit() )
1847 p_block->i_flags |= BLOCK_FLAG_END_OF_FRAME;
1849 else if( tk->fmt.i_codec == VLC_CODEC_H264 )
1851 if( (tk->p_buffer[0] & 0x1f) >= 24 )
1852 msg_Warn( p_demux, "unsupported NAL type for H264" );
1854 /* Normal NAL type */
1855 p_block = block_New( p_demux, i_size + 4 );
1856 p_block->p_buffer[0] = 0x00;
1857 p_block->p_buffer[1] = 0x00;
1858 p_block->p_buffer[2] = 0x00;
1859 p_block->p_buffer[3] = 0x01;
1860 memcpy( &p_block->p_buffer[4], tk->p_buffer, i_size );
1862 else if( tk->b_asf )
1864 p_block = StreamParseAsf( p_demux, tk,
1865 tk->sub->rtpSource()->curPacketMarkerBit(),
1866 tk->p_buffer, i_size );
1868 else
1870 p_block = block_New( p_demux, i_size );
1871 memcpy( p_block->p_buffer, tk->p_buffer, i_size );
1874 if( p_sys->i_pcr < i_pts )
1876 p_sys->i_pcr = i_pts;
1879 /* Update our global npt value */
1880 if( tk->i_npt > 0 && tk->i_npt > p_sys->i_npt &&
1881 ( tk->i_npt < p_sys->i_npt_length || p_sys->i_npt_length <= 0 ) )
1882 p_sys->i_npt = tk->i_npt;
1884 if( p_block )
1886 if( !tk->b_muxed && !tk->b_asf )
1888 if( i_pts != tk->i_pts )
1889 p_block->i_pts = VLC_TS_0 + i_pts;
1890 /*FIXME: for h264 you should check that packetization-mode=1 in sdp-file */
1891 p_block->i_dts = ( tk->fmt.i_codec == VLC_CODEC_MPGV ) ? VLC_TS_INVALID : (VLC_TS_0 + i_pts);
1894 if( tk->b_muxed )
1895 stream_DemuxSend( tk->p_out_muxed, p_block );
1896 else if( tk->b_asf )
1897 stream_DemuxSend( p_sys->p_out_asf, p_block );
1898 else
1899 es_out_Send( p_demux->out, tk->p_es, p_block );
1902 /* warn that's ok */
1903 p_sys->event_data = 0xff;
1905 /* we have read data */
1906 tk->waiting = 0;
1907 p_demux->p_sys->b_no_data = false;
1908 p_demux->p_sys->i_no_data_ti = 0;
1910 if( i_pts > 0 && !tk->b_muxed )
1912 tk->i_pts = i_pts;
1916 /*****************************************************************************
1918 *****************************************************************************/
1919 static void StreamClose( void *p_private )
1921 live_track_t *tk = (live_track_t*)p_private;
1922 demux_t *p_demux = tk->p_demux;
1923 demux_sys_t *p_sys = p_demux->p_sys;
1925 msg_Dbg( p_demux, "StreamClose" );
1927 p_sys->event_rtsp = 0xff;
1928 p_sys->event_data = 0xff;
1929 p_sys->b_error = true;
1933 /*****************************************************************************
1935 *****************************************************************************/
1936 static void TaskInterruptRTSP( void *p_private )
1938 demux_t *p_demux = (demux_t*)p_private;
1940 /* Avoid lock */
1941 p_demux->p_sys->event_rtsp = 0xff;
1944 static void TaskInterruptData( void *p_private )
1946 demux_t *p_demux = (demux_t*)p_private;
1948 p_demux->p_sys->i_no_data_ti++;
1950 /* Avoid lock */
1951 p_demux->p_sys->event_data = 0xff;
1954 /*****************************************************************************
1956 *****************************************************************************/
1957 VLC_NORETURN
1958 static void* TimeoutPrevention( void *p_data )
1960 timeout_thread_t *p_timeout = (timeout_thread_t *)p_data;
1962 for( ;; )
1964 /* Voodoo (= no) thread safety here! *Ahem* */
1965 if( p_timeout->b_handle_keep_alive )
1967 char *psz_bye = NULL;
1968 int canc = vlc_savecancel ();
1970 p_timeout->p_sys->rtsp->sendGetParameterCommand( *p_timeout->p_sys->ms, NULL, psz_bye );
1971 vlc_restorecancel (canc);
1973 p_timeout->p_sys->b_timeout_call = !p_timeout->b_handle_keep_alive;
1975 msleep (((int64_t)p_timeout->p_sys->i_timeout - 2) * CLOCK_FREQ);
1977 assert(0); /* dead code */
1980 /*****************************************************************************
1982 *****************************************************************************/
1983 static int ParseASF( demux_t *p_demux )
1985 demux_sys_t *p_sys = p_demux->p_sys;
1987 const char *psz_marker = "a=pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,";
1988 char *psz_asf = strcasestr( p_sys->p_sdp, psz_marker );
1989 char *psz_end;
1990 block_t *p_header;
1992 /* Parse the asf header */
1993 if( psz_asf == NULL )
1994 return VLC_EGENERIC;
1996 psz_asf += strlen( psz_marker );
1997 psz_asf = strdup( psz_asf ); /* Duplicate it */
1998 psz_end = strchr( psz_asf, '\n' );
2000 while( psz_end > psz_asf && ( *psz_end == '\n' || *psz_end == '\r' ) )
2001 *psz_end-- = '\0';
2003 if( psz_asf >= psz_end )
2005 free( psz_asf );
2006 return VLC_EGENERIC;
2009 /* Always smaller */
2010 p_header = block_New( p_demux, psz_end - psz_asf );
2011 p_header->i_buffer = vlc_b64_decode_binary_to_buffer( p_header->p_buffer,
2012 p_header->i_buffer, psz_asf );
2013 //msg_Dbg( p_demux, "Size=%d Hdrb64=%s", p_header->i_buffer, psz_asf );
2014 if( p_header->i_buffer <= 0 )
2016 free( psz_asf );
2017 return VLC_EGENERIC;
2020 /* Parse it to get packet size */
2021 asf_HeaderParse( &p_sys->asfh, p_header->p_buffer, p_header->i_buffer );
2023 /* Send it to demuxer */
2024 stream_DemuxSend( p_sys->p_out_asf, p_header );
2026 free( psz_asf );
2027 return VLC_SUCCESS;
2031 static unsigned char* parseH264ConfigStr( char const* configStr,
2032 unsigned int& configSize )
2034 char *dup, *psz;
2035 size_t i_records = 1;
2037 configSize = 0;
2039 if( configStr == NULL || *configStr == '\0' )
2040 return NULL;
2042 psz = dup = strdup( configStr );
2044 /* Count the number of commas */
2045 for( psz = dup; *psz != '\0'; ++psz )
2047 if( *psz == ',')
2049 ++i_records;
2050 *psz = '\0';
2054 size_t configMax = 5*strlen(dup);
2055 unsigned char *cfg = new unsigned char[configMax];
2056 psz = dup;
2057 for( size_t i = 0; i < i_records; ++i )
2059 cfg[configSize++] = 0x00;
2060 cfg[configSize++] = 0x00;
2061 cfg[configSize++] = 0x00;
2062 cfg[configSize++] = 0x01;
2064 configSize += vlc_b64_decode_binary_to_buffer( cfg+configSize,
2065 configMax-configSize, psz );
2066 psz += strlen(psz)+1;
2069 free( dup );
2070 return cfg;