1 /*****************************************************************************
2 * stream_output.c : stream output module
3 *****************************************************************************
4 * Copyright (C) 2002-2004 the VideoLAN team
7 * Authors: Christophe Massiot <massiot@via.ecp.fr>
8 * Laurent Aimar <fenrir@via.ecp.fr>
9 * Eric Petit <titer@videolan.org>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
24 *****************************************************************************/
26 /*****************************************************************************
28 *****************************************************************************/
29 #include <stdlib.h> /* free() */
30 #include <stdio.h> /* sprintf() */
31 #include <string.h> /* strerror() */
35 #include <vlc/input.h>
40 /*****************************************************************************
42 *****************************************************************************/
43 static void sout_CfgDestroy( sout_cfg_t * );
45 #define sout_stream_url_to_chain( p, s ) \
46 _sout_stream_url_to_chain( VLC_OBJECT(p), s )
47 static char *_sout_stream_url_to_chain( vlc_object_t *, char * );
61 /* mrl_Parse: parse psz_mrl and fill p_mrl */
62 static int mrl_Parse( mrl_t *p_mrl, char *psz_mrl );
63 /* mrl_Clean: clean p_mrl after a call to mrl_Parse */
64 static void mrl_Clean( mrl_t *p_mrl );
66 #define FREE( p ) if( p ) { free( p ); (p) = NULL; }
68 /*****************************************************************************
69 * sout_NewInstance: creates a new stream output instance
70 *****************************************************************************/
71 sout_instance_t *__sout_NewInstance( vlc_object_t *p_parent, char * psz_dest )
73 sout_instance_t *p_sout;
77 if( var_Get( p_parent, "sout-keep", &keep ) < 0 )
79 msg_Warn( p_parent, "cannot get sout-keep value" );
80 keep.b_bool = VLC_FALSE;
84 if( ( p_sout = vlc_object_find( p_parent, VLC_OBJECT_SOUT,
85 FIND_ANYWHERE ) ) != NULL )
87 if( !strcmp( p_sout->psz_sout, psz_dest ) )
89 msg_Dbg( p_parent, "sout keep : reusing sout" );
90 msg_Dbg( p_parent, "sout keep : you probably want to use "
91 "gather stream_out" );
92 vlc_object_detach( p_sout );
93 vlc_object_attach( p_sout, p_parent );
94 vlc_object_release( p_sout );
99 msg_Dbg( p_parent, "sout keep : destroying unusable sout" );
100 vlc_object_release( p_sout );
101 sout_DeleteInstance( p_sout );
105 else if( !keep.b_bool )
107 while( ( p_sout = vlc_object_find( p_parent, VLC_OBJECT_SOUT,
108 FIND_PARENT ) ) != NULL )
110 msg_Dbg( p_parent, "sout keep : destroying old sout" );
111 vlc_object_release( p_sout );
112 sout_DeleteInstance( p_sout );
116 /* *** Allocate descriptor *** */
117 p_sout = vlc_object_create( p_parent, VLC_OBJECT_SOUT );
120 msg_Err( p_parent, "out of memory" );
124 /* *** init descriptor *** */
125 p_sout->psz_sout = strdup( psz_dest );
126 p_sout->p_meta = NULL;
127 p_sout->i_out_pace_nocontrol = 0;
128 p_sout->p_sys = NULL;
130 vlc_mutex_init( p_sout, &p_sout->lock );
131 if( psz_dest && psz_dest[0] == '#' )
133 p_sout->psz_chain = strdup( &psz_dest[1] );
137 p_sout->psz_chain = sout_stream_url_to_chain( p_sout, psz_dest );
138 msg_Dbg( p_sout, "using sout chain=`%s'", p_sout->psz_chain );
140 p_sout->p_stream = NULL;
142 /* attach it for inherit */
143 vlc_object_attach( p_sout, p_parent );
145 /* Create statistics */
146 stats_Create( p_parent, "sout_sent_packets",
147 VLC_VAR_INTEGER, STATS_COUNTER );
148 stats_Create( p_parent, "sout_sent_bytes", VLC_VAR_INTEGER, STATS_COUNTER );
149 stats_Create( p_parent, "sout_send_bitrate",
150 VLC_VAR_FLOAT, STATS_DERIVATIVE );
151 p_counter = stats_CounterGet( p_parent, p_parent->i_object_id,
152 "sout_send_bitrate" );
153 if( p_counter) p_counter->update_interval = 1000000;
155 p_sout->p_stream = sout_StreamNew( p_sout, p_sout->psz_chain );
157 if( p_sout->p_stream == NULL )
159 msg_Err( p_sout, "stream chained failed for `%s'", p_sout->psz_chain );
161 FREE( p_sout->psz_sout );
162 FREE( p_sout->psz_chain );
164 vlc_object_detach( p_sout );
165 vlc_object_destroy( p_sout );
171 /*****************************************************************************
172 * sout_DeleteInstance: delete a previously allocated instance
173 *****************************************************************************/
174 void sout_DeleteInstance( sout_instance_t * p_sout )
177 vlc_object_detach( p_sout );
179 /* remove the stream out chain */
180 sout_StreamDelete( p_sout->p_stream );
182 /* *** free all string *** */
183 FREE( p_sout->psz_sout );
184 FREE( p_sout->psz_chain );
189 vlc_meta_Delete( p_sout->p_meta );
192 vlc_mutex_destroy( &p_sout->lock );
194 /* *** free structure *** */
195 vlc_object_destroy( p_sout );
198 /*****************************************************************************
200 *****************************************************************************/
201 sout_packetizer_input_t *sout_InputNew( sout_instance_t *p_sout,
204 sout_packetizer_input_t *p_input;
206 msg_Dbg( p_sout, "adding a new input" );
208 /* *** create a packetizer input *** */
209 p_input = malloc( sizeof( sout_packetizer_input_t ) );
210 p_input->p_sout = p_sout;
211 p_input->p_fmt = p_fmt;
213 if( p_fmt->i_codec == VLC_FOURCC( 'n', 'u', 'l', 'l' ) )
215 vlc_object_release( p_sout );
219 /* *** add it to the stream chain */
220 vlc_mutex_lock( &p_sout->lock );
221 p_input->id = p_sout->p_stream->pf_add( p_sout->p_stream, p_fmt );
222 vlc_mutex_unlock( &p_sout->lock );
224 if( p_input->id == NULL )
233 /*****************************************************************************
235 *****************************************************************************/
236 int sout_InputDelete( sout_packetizer_input_t *p_input )
238 sout_instance_t *p_sout = p_input->p_sout;
240 msg_Dbg( p_sout, "removing an input" );
242 if( p_input->p_fmt->i_codec != VLC_FOURCC( 'n', 'u', 'l', 'l' ) )
244 vlc_mutex_lock( &p_sout->lock );
245 p_sout->p_stream->pf_del( p_sout->p_stream, p_input->id );
246 vlc_mutex_unlock( &p_sout->lock );
251 return( VLC_SUCCESS);
254 /*****************************************************************************
256 *****************************************************************************/
257 int sout_InputSendBuffer( sout_packetizer_input_t *p_input,
260 sout_instance_t *p_sout = p_input->p_sout;
263 if( p_input->p_fmt->i_codec == VLC_FOURCC( 'n', 'u', 'l', 'l' ) )
265 block_Release( p_buffer );
268 if( p_buffer->i_dts <= 0 )
270 msg_Warn( p_sout, "trying to send non-dated packet to stream output!");
271 block_Release( p_buffer );
275 vlc_mutex_lock( &p_sout->lock );
276 i_ret = p_sout->p_stream->pf_send( p_sout->p_stream,
277 p_input->id, p_buffer );
278 vlc_mutex_unlock( &p_sout->lock );
283 /*****************************************************************************
284 * sout_AccessOutNew: allocate a new access out
285 *****************************************************************************/
286 sout_access_out_t *sout_AccessOutNew( sout_instance_t *p_sout,
287 char *psz_access, char *psz_name )
289 sout_access_out_t *p_access;
292 if( !( p_access = vlc_object_create( p_sout,
293 sizeof( sout_access_out_t ) ) ) )
295 msg_Err( p_sout, "out of memory" );
299 psz_next = sout_CfgCreate( &p_access->psz_access, &p_access->p_cfg,
305 p_access->psz_name = strdup( psz_name ? psz_name : "" );
306 p_access->p_sout = p_sout;
307 p_access->p_sys = NULL;
308 p_access->pf_seek = NULL;
309 p_access->pf_read = NULL;
310 p_access->pf_write = NULL;
311 p_access->p_module = NULL;
313 p_access->i_writes = 0;
314 p_access->i_sent_bytes = 0;
316 vlc_object_attach( p_access, p_sout );
319 module_Need( p_access, "sout access", p_access->psz_access, VLC_TRUE );
321 if( !p_access->p_module )
323 free( p_access->psz_access );
324 free( p_access->psz_name );
325 vlc_object_detach( p_access );
326 vlc_object_destroy( p_access );
332 /*****************************************************************************
333 * sout_AccessDelete: delete an access out
334 *****************************************************************************/
335 void sout_AccessOutDelete( sout_access_out_t *p_access )
337 vlc_object_detach( p_access );
338 if( p_access->p_module )
340 module_Unneed( p_access, p_access->p_module );
342 free( p_access->psz_access );
344 sout_CfgDestroy( p_access->p_cfg );
346 free( p_access->psz_name );
348 vlc_object_destroy( p_access );
351 /*****************************************************************************
353 *****************************************************************************/
354 int sout_AccessOutSeek( sout_access_out_t *p_access, off_t i_pos )
356 return p_access->pf_seek( p_access, i_pos );
359 /*****************************************************************************
361 *****************************************************************************/
362 int sout_AccessOutRead( sout_access_out_t *p_access, block_t *p_buffer )
364 return( p_access->pf_read ?
365 p_access->pf_read( p_access, p_buffer ) : VLC_EGENERIC );
368 /*****************************************************************************
370 *****************************************************************************/
371 int sout_AccessOutWrite( sout_access_out_t *p_access, block_t *p_buffer )
374 p_access->i_writes++;
375 p_access->i_sent_bytes += p_buffer->i_buffer;
376 if( p_access->p_libvlc->b_stats && p_access->i_writes % 10 == 0 )
378 /* Access_out -> sout_instance -> input_thread_t */
379 input_thread_t *p_input =
380 (input_thread_t *)vlc_object_find( p_access, VLC_OBJECT_INPUT,
384 stats_UpdateInteger( p_input, "sout_sent_packets", 10, NULL );
385 stats_UpdateInteger( p_input, "sout_sent_bytes",
386 p_access->i_sent_bytes, &i_total );
387 stats_UpdateFloat( p_input, "sout_send_bitrate", (float)i_total,
389 p_access->i_sent_bytes = 0;
390 vlc_object_release( p_input );
393 return p_access->pf_write( p_access, p_buffer );
396 /*****************************************************************************
397 * sout_MuxNew: create a new mux
398 *****************************************************************************/
399 sout_mux_t * sout_MuxNew( sout_instance_t *p_sout, char *psz_mux,
400 sout_access_out_t *p_access )
405 p_mux = vlc_object_create( p_sout, sizeof( sout_mux_t ) );
408 msg_Err( p_sout, "out of memory" );
412 p_mux->p_sout = p_sout;
413 psz_next = sout_CfgCreate( &p_mux->psz_mux, &p_mux->p_cfg, psz_mux );
414 if( psz_next ) free( psz_next );
416 p_mux->p_access = p_access;
417 p_mux->pf_control = NULL;
418 p_mux->pf_addstream = NULL;
419 p_mux->pf_delstream = NULL;
420 p_mux->pf_mux = NULL;
421 p_mux->i_nb_inputs = 0;
422 p_mux->pp_inputs = NULL;
425 p_mux->p_module = NULL;
427 p_mux->b_add_stream_any_time = VLC_FALSE;
428 p_mux->b_waiting_stream = VLC_TRUE;
429 p_mux->i_add_stream_start = -1;
431 vlc_object_attach( p_mux, p_sout );
434 module_Need( p_mux, "sout mux", p_mux->psz_mux, VLC_TRUE );
436 if( p_mux->p_module == NULL )
438 FREE( p_mux->psz_mux );
440 vlc_object_detach( p_mux );
441 vlc_object_destroy( p_mux );
445 /* *** probe mux capacity *** */
446 if( p_mux->pf_control )
448 int b_answer = VLC_FALSE;
450 if( sout_MuxControl( p_mux, MUX_CAN_ADD_STREAM_WHILE_MUXING,
453 b_answer = VLC_FALSE;
458 msg_Dbg( p_sout, "muxer support adding stream at any time" );
459 p_mux->b_add_stream_any_time = VLC_TRUE;
460 p_mux->b_waiting_stream = VLC_FALSE;
462 /* If we control the output pace then it's better to wait before
463 * starting muxing (generates better streams/files). */
464 if( !p_sout->i_out_pace_nocontrol )
468 else if( sout_MuxControl( p_mux, MUX_GET_ADD_STREAM_WAIT,
471 b_answer = VLC_FALSE;
476 msg_Dbg( p_sout, "muxer prefers waiting for all ES before "
478 p_mux->b_waiting_stream = VLC_TRUE;
486 /*****************************************************************************
488 *****************************************************************************/
489 void sout_MuxDelete( sout_mux_t *p_mux )
491 vlc_object_detach( p_mux );
492 if( p_mux->p_module )
494 module_Unneed( p_mux, p_mux->p_module );
496 free( p_mux->psz_mux );
498 sout_CfgDestroy( p_mux->p_cfg );
500 vlc_object_destroy( p_mux );
503 /*****************************************************************************
505 *****************************************************************************/
506 sout_input_t *sout_MuxAddStream( sout_mux_t *p_mux, es_format_t *p_fmt )
508 sout_input_t *p_input;
510 if( !p_mux->b_add_stream_any_time && !p_mux->b_waiting_stream )
512 msg_Err( p_mux, "cannot add a new stream (unsupported while muxing "
513 "for this format)" );
517 msg_Dbg( p_mux, "adding a new input" );
519 /* create a new sout input */
520 p_input = malloc( sizeof( sout_input_t ) );
521 p_input->p_sout = p_mux->p_sout;
522 p_input->p_fmt = p_fmt;
523 p_input->p_fifo = block_FifoNew( p_mux->p_sout );
524 p_input->p_sys = NULL;
526 TAB_APPEND( p_mux->i_nb_inputs, p_mux->pp_inputs, p_input );
527 if( p_mux->pf_addstream( p_mux, p_input ) < 0 )
529 msg_Err( p_mux, "cannot add this stream" );
530 TAB_REMOVE( p_mux->i_nb_inputs, p_mux->pp_inputs, p_input );
531 block_FifoRelease( p_input->p_fifo );
539 /*****************************************************************************
540 * sout_MuxDeleteStream:
541 *****************************************************************************/
542 void sout_MuxDeleteStream( sout_mux_t *p_mux, sout_input_t *p_input )
546 if( p_mux->b_waiting_stream && p_input->p_fifo->i_depth > 0 )
548 /* We stop waiting, and call the muxer for taking care of the data
549 * before we remove this es */
550 p_mux->b_waiting_stream = VLC_FALSE;
551 p_mux->pf_mux( p_mux );
554 TAB_FIND( p_mux->i_nb_inputs, p_mux->pp_inputs, p_input, i_index );
557 if( p_mux->pf_delstream( p_mux, p_input ) < 0 )
559 msg_Err( p_mux, "cannot del this stream from mux" );
562 /* remove the entry */
563 TAB_REMOVE( p_mux->i_nb_inputs, p_mux->pp_inputs, p_input );
565 if( p_mux->i_nb_inputs == 0 )
567 msg_Warn( p_mux, "no more input stream for this mux" );
570 block_FifoRelease( p_input->p_fifo );
575 /*****************************************************************************
576 * sout_MuxSendBuffer:
577 *****************************************************************************/
578 void sout_MuxSendBuffer( sout_mux_t *p_mux, sout_input_t *p_input,
581 block_FifoPut( p_input->p_fifo, p_buffer );
583 if( p_mux->p_sout->i_out_pace_nocontrol )
585 mtime_t current_date = mdate();
586 if ( current_date > p_buffer->i_dts )
587 msg_Warn( p_mux, "late buffer for mux input ("I64Fd")",
588 current_date - p_buffer->i_dts );
591 if( p_mux->b_waiting_stream )
593 if( p_mux->i_add_stream_start < 0 )
595 p_mux->i_add_stream_start = p_buffer->i_dts;
598 if( p_mux->i_add_stream_start >= 0 &&
599 p_mux->i_add_stream_start + I64C(1500000) < p_buffer->i_dts )
601 /* Wait until we have more than 1.5 seconds worth of data
602 * before start muxing */
603 p_mux->b_waiting_stream = VLC_FALSE;
610 p_mux->pf_mux( p_mux );
613 /*****************************************************************************
615 *****************************************************************************/
616 static int mrl_Parse( mrl_t *p_mrl, char *psz_mrl )
618 char * psz_dup = strdup( psz_mrl );
619 char * psz_parser = psz_dup;
620 char * psz_access = "";
622 char * psz_name = "";
624 /* *** first parse psz_dest */
625 while( *psz_parser && *psz_parser != ':' )
627 if( *psz_parser == '{' )
629 while( *psz_parser && *psz_parser != '}' )
643 #if defined( WIN32 ) || defined( UNDER_CE )
644 if( psz_parser - psz_dup == 1 )
646 /* msg_Warn( p_sout, "drive letter %c: found in source string",
654 psz_access = psz_way = "";
659 *psz_parser++ = '\0';
661 /* let's skip '//' */
662 if( psz_parser[0] == '/' && psz_parser[1] == '/' )
667 psz_name = psz_parser ;
669 /* Come back to parse the access and mux plug-ins */
670 psz_parser = psz_dup;
677 else if( *psz_parser == '/' )
685 psz_access = psz_parser;
687 while( *psz_parser && *psz_parser != '/' )
689 if( *psz_parser == '{' )
691 while( *psz_parser && *psz_parser != '}' )
706 if( *psz_parser == '/' )
708 *psz_parser++ = '\0';
719 psz_way = psz_parser;
723 p_mrl->psz_access = strdup( psz_access );
724 p_mrl->psz_way = strdup( psz_way );
725 p_mrl->psz_name = strdup( psz_name );
728 return( VLC_SUCCESS );
732 /* mrl_Clean: clean p_mrl after a call to mrl_Parse */
733 static void mrl_Clean( mrl_t *p_mrl )
735 FREE( p_mrl->psz_access );
736 FREE( p_mrl->psz_way );
737 FREE( p_mrl->psz_name );
741 /****************************************************************************
742 ****************************************************************************
746 ****************************************************************************
747 ****************************************************************************/
749 /* create a complete chain */
751 module{option=*:option=*}[:module{option=*:...}]
755 * parse module{options=str, option="str "}:
756 * return a pointer on the rest
757 * XXX: psz_chain is modified
759 #define SKIPSPACE( p ) { while( *p && ( *p == ' ' || *p == '\t' ) ) p++; }
760 #define SKIPTRAILINGSPACE( p, e ) \
761 { while( e > p && ( *(e-1) == ' ' || *(e-1) == '\t' ) ) e--; }
763 /* go accross " " and { } */
764 static char *_get_chain_end( char *str )
772 if( !*p || *p == ',' || *p == '}' ) return p;
774 if( *p != '{' && *p != '"' && *p != '\'' )
780 if( *p == '{' ) c = '}';
788 if( *p == c ) return ++p;
789 else if( *p == '{' && c == '}' ) p = _get_chain_end( p );
795 char *sout_CfgCreate( char **ppsz_name, sout_cfg_t **pp_cfg, char *psz_chain )
797 sout_cfg_t *p_cfg = NULL;
803 if( !p ) return NULL;
807 while( *p && *p != '{' && *p != ':' && *p != ' ' && *p != '\t' ) p++;
809 if( p == psz_chain ) return NULL;
811 *ppsz_name = strndup( psz_chain, p - psz_chain );
829 while( *p && *p != '=' && *p != ',' && *p != '{' && *p != '}' &&
830 *p != ' ' && *p != '\t' ) p++;
832 /* fprintf( stderr, "name=%s - rest=%s\n", psz_name, p ); */
835 fprintf( stderr, "invalid options (empty)" );
839 cfg.psz_name = strndup( psz_name, p - psz_name );
843 if( *p == '=' || *p == '{' )
846 vlc_bool_t b_keep_brackets = (*p == '{');
850 end = _get_chain_end( p );
853 cfg.psz_value = NULL;
857 /* Skip heading and trailing spaces.
858 * This ain't necessary but will avoid simple
865 cfg.psz_value = NULL;
869 if( *p == '\'' || *p == '"' ||
870 ( !b_keep_brackets && *p == '{' ) )
874 if( *(end-1) != '\'' && *(end-1) == '"' )
875 SKIPTRAILINGSPACE( p, end );
877 if( end - 1 <= p ) cfg.psz_value = NULL;
878 else cfg.psz_value = strndup( p, end -1 - p );
882 SKIPTRAILINGSPACE( p, end );
883 if( end <= p ) cfg.psz_value = NULL;
884 else cfg.psz_value = strndup( p, end - p );
893 cfg.psz_value = NULL;
899 p_cfg->p_next = malloc( sizeof( sout_cfg_t ) );
900 memcpy( p_cfg->p_next, &cfg, sizeof( sout_cfg_t ) );
902 p_cfg = p_cfg->p_next;
906 p_cfg = malloc( sizeof( sout_cfg_t ) );
907 memcpy( p_cfg, &cfg, sizeof( sout_cfg_t ) );
922 if( *p == ':' ) return( strdup( p + 1 ) );
927 static void sout_CfgDestroy( sout_cfg_t *p_cfg )
929 while( p_cfg != NULL )
933 p_next = p_cfg->p_next;
935 FREE( p_cfg->psz_name );
936 FREE( p_cfg->psz_value );
943 void __sout_CfgParse( vlc_object_t *p_this, char *psz_prefix,
944 const char **ppsz_options, sout_cfg_t *cfg )
950 /* First, var_Create all variables */
951 for( i = 0; ppsz_options[i] != NULL; i++ )
953 asprintf( &psz_name, "%s%s", psz_prefix,
954 *ppsz_options[i] == '*' ? &ppsz_options[i][1] : ppsz_options[i] );
956 i_type = config_GetType( p_this, psz_name );
958 var_Create( p_this, psz_name, i_type | VLC_VAR_DOINHERIT );
962 /* Now parse options and set value */
963 if( psz_prefix == NULL ) psz_prefix = "";
968 vlc_bool_t b_yes = VLC_TRUE;
969 vlc_bool_t b_once = VLC_FALSE;
971 if( cfg->psz_name == NULL || *cfg->psz_name == '\0' )
976 for( i = 0; ppsz_options[i] != NULL; i++ )
978 if( !strcmp( ppsz_options[i], cfg->psz_name ) )
982 if( ( !strncmp( cfg->psz_name, "no-", 3 ) &&
983 !strcmp( ppsz_options[i], cfg->psz_name + 3 ) ) ||
984 ( !strncmp( cfg->psz_name, "no", 2 ) &&
985 !strcmp( ppsz_options[i], cfg->psz_name + 2 ) ) )
991 if( *ppsz_options[i] == '*' &&
992 !strcmp( &ppsz_options[i][1], cfg->psz_name ) )
999 if( ppsz_options[i] == NULL )
1001 msg_Warn( p_this, "option %s is unknown", cfg->psz_name );
1007 asprintf( &psz_name, "%s%s", psz_prefix, b_once ? &ppsz_options[i][1] : ppsz_options[i] );
1009 /* get the type of the variable */
1010 i_type = config_GetType( p_this, psz_name );
1013 msg_Warn( p_this, "unknown option %s (value=%s)",
1014 cfg->psz_name, cfg->psz_value );
1017 if( i_type != VLC_VAR_BOOL && cfg->psz_value == NULL )
1019 msg_Warn( p_this, "missing value for option %s", cfg->psz_name );
1022 if( i_type != VLC_VAR_STRING && b_once )
1024 msg_Warn( p_this, "*option_name need to be a string option" );
1033 case VLC_VAR_INTEGER:
1034 val.i_int = strtol( cfg->psz_value ? cfg->psz_value : "0",
1038 val.f_float = atof( cfg->psz_value ? cfg->psz_value : "0" );
1040 case VLC_VAR_STRING:
1041 case VLC_VAR_MODULE:
1042 val.psz_string = cfg->psz_value;
1045 msg_Warn( p_this, "unhandled config var type" );
1046 memset( &val, 0, sizeof( vlc_value_t ) );
1053 var_Get( p_this, psz_name, &val2 );
1054 if( *val2.psz_string )
1056 free( val2.psz_string );
1057 msg_Dbg( p_this, "ignoring option %s (not first occurrence)", psz_name );
1060 free( val2.psz_string );
1062 var_Set( p_this, psz_name, val );
1063 msg_Dbg( p_this, "set sout option: %s to %s", psz_name, cfg->psz_value );
1073 * XXX name and p_cfg are used (-> do NOT free them)
1075 sout_stream_t *sout_StreamNew( sout_instance_t *p_sout, char *psz_chain )
1077 sout_stream_t *p_stream;
1081 msg_Err( p_sout, "invalid chain" );
1085 p_stream = vlc_object_create( p_sout, sizeof( sout_stream_t ) );
1089 msg_Err( p_sout, "out of memory" );
1093 p_stream->p_sout = p_sout;
1094 p_stream->p_sys = NULL;
1096 p_stream->psz_next =
1097 sout_CfgCreate( &p_stream->psz_name, &p_stream->p_cfg, psz_chain);
1099 msg_Dbg( p_sout, "stream=`%s'", p_stream->psz_name );
1101 vlc_object_attach( p_stream, p_sout );
1103 p_stream->p_module =
1104 module_Need( p_stream, "sout stream", p_stream->psz_name, VLC_TRUE );
1106 if( !p_stream->p_module )
1108 sout_StreamDelete( p_stream );
1115 void sout_StreamDelete( sout_stream_t *p_stream )
1117 msg_Dbg( p_stream, "destroying chain... (name=%s)", p_stream->psz_name );
1119 vlc_object_detach( p_stream );
1120 if( p_stream->p_module ) module_Unneed( p_stream, p_stream->p_module );
1122 FREE( p_stream->psz_name );
1123 FREE( p_stream->psz_next );
1125 sout_CfgDestroy( p_stream->p_cfg );
1127 msg_Dbg( p_stream, "destroying chain done" );
1128 vlc_object_destroy( p_stream );
1131 static char *_sout_stream_url_to_chain( vlc_object_t *p_this, char *psz_url )
1134 char *psz_chain, *p;
1136 mrl_Parse( &mrl, psz_url );
1137 p = psz_chain = malloc( 500 + strlen( mrl.psz_way ) +
1138 strlen( mrl.psz_access ) +
1139 strlen( mrl.psz_name ) );
1142 if( config_GetInt( p_this, "sout-display" ) )
1144 p += sprintf( p, "duplicate{dst=display,dst=std{mux=\"%s\","
1145 "access=\"%s\",url=\"%s\"}}",
1146 mrl.psz_way, mrl.psz_access, mrl.psz_name );
1150 p += sprintf( p, "std{mux=\"%s\",access=\"%s\",url=\"%s\"}",
1151 mrl.psz_way, mrl.psz_access, mrl.psz_name );
1155 return( psz_chain );