1 /*****************************************************************************
2 * input.c: input thread
3 * Read a stream, demultiplex and parse it before sending it to
5 *****************************************************************************
6 * Copyright (C) 1998-2002 VideoLAN
7 * $Id: input.c,v 1.271 2003/12/03 22:14:38 sigmunau Exp $
9 * Authors: Christophe Massiot <massiot@via.ecp.fr>
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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
24 *****************************************************************************/
26 /*****************************************************************************
28 *****************************************************************************/
32 #include <vlc/input.h>
33 #include <vlc/decoder.h>
36 #ifdef HAVE_SYS_TIMES_H
37 # include <sys/times.h>
40 #include "vlc_playlist.h"
42 #include "stream_output.h"
44 #include "vlc_interface.h"
46 #include "../../modules/demux/util/sub.h"
48 /*****************************************************************************
50 *****************************************************************************/
51 struct input_thread_sys_t
55 subtitle_demux_t **sub;
58 static int RunThread ( input_thread_t *p_input );
59 static int InitThread ( input_thread_t *p_input );
60 static void ErrorThread ( input_thread_t *p_input );
61 static void EndThread ( input_thread_t *p_input );
63 static void ParseOption ( input_thread_t *p_input,
64 const char *psz_option );
66 /*****************************************************************************
68 *****************************************************************************/
69 static int PositionCallback( vlc_object_t *p_this, char const *psz_cmd,
70 vlc_value_t oldval, vlc_value_t newval, void *p_data );
71 static int TimeCallback ( vlc_object_t *p_this, char const *psz_cmd,
72 vlc_value_t oldval, vlc_value_t newval, void *p_data );
73 static int StateCallback ( vlc_object_t *p_this, char const *psz_cmd,
74 vlc_value_t oldval, vlc_value_t newval, void *p_data );
75 static int RateCallback ( vlc_object_t *p_this, char const *psz_cmd,
76 vlc_value_t oldval, vlc_value_t newval, void *p_data );
78 /*****************************************************************************
79 * input_CreateThread: creates a new input thread
80 *****************************************************************************
81 * This function creates a new input, and returns a pointer
82 * to its description. On error, it returns NULL.
83 *****************************************************************************/
84 input_thread_t *__input_CreateThread( vlc_object_t *p_parent,
85 playlist_item_t *p_item )
87 input_thread_t * p_input; /* thread descriptor */
88 input_info_category_t * p_info;
92 /* Allocate descriptor */
93 p_input = vlc_object_create( p_parent, VLC_OBJECT_INPUT );
96 msg_Err( p_parent, "out of memory" );
100 /* Parse input options */
101 for( i = 0; i < p_item->i_options; i++ )
103 ParseOption( p_input, p_item->ppsz_options[i] );
106 /* Create a few object variables we'll need later on */
107 var_Create( p_input, "video", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
108 var_Create( p_input, "audio", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
109 var_Create( p_input, "audio-channel", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
110 var_Create( p_input, "spu-channel", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
111 var_Create( p_input, "sub-file", VLC_VAR_FILE | VLC_VAR_DOINHERIT );
112 var_Create( p_input, "sub-autodetect-file", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
113 var_Create( p_input, "sub-autodetect-fuzzy", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
115 var_Create( p_input, "sout", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
116 var_Create( p_input, "sout-all", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
117 var_Create( p_input, "sout-audio", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
118 var_Create( p_input, "sout-video", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
119 var_Create( p_input, "sout-keep", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
122 var_Create( p_input, "minimize-threads", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
126 /* position variable */
127 var_Create( p_input, "position", VLC_VAR_FLOAT ); /* position 0.0->1.0 */
128 var_Create( p_input, "position-offset", VLC_VAR_FLOAT ); /* relative */
130 var_Change( p_input, "position", VLC_VAR_SETVALUE, &val, NULL );
131 var_AddCallback( p_input, "position", PositionCallback, NULL );
132 var_AddCallback( p_input, "position-offset", PositionCallback, NULL );
135 var_Create( p_input, "time", VLC_VAR_TIME );
136 var_Create( p_input, "time-offset", VLC_VAR_TIME ); /* relative */
138 var_Change( p_input, "time", VLC_VAR_SETVALUE, &val, NULL );
139 var_AddCallback( p_input, "time", TimeCallback, NULL );
140 var_AddCallback( p_input, "time-offset", TimeCallback, NULL );
142 /* length variable */
143 var_Create( p_input, "length", VLC_VAR_TIME );
145 var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
148 var_Create( p_input, "rate", VLC_VAR_INTEGER );
149 var_Create( p_input, "rate-slower", VLC_VAR_VOID );
150 var_Create( p_input, "rate-faster", VLC_VAR_VOID );
151 val.i_int = DEFAULT_RATE;
152 var_Change( p_input, "rate", VLC_VAR_SETVALUE, &val, NULL );
153 var_AddCallback( p_input, "rate", RateCallback, NULL );
154 var_AddCallback( p_input, "rate-slower", RateCallback, NULL );
155 var_AddCallback( p_input, "rate-faster", RateCallback, NULL );
158 var_Create( p_input, "state", VLC_VAR_INTEGER );
160 var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
161 var_AddCallback( p_input, "state", StateCallback, NULL );
164 var_Create( p_input, "demuxed-id3", VLC_VAR_BOOL );
165 val.b_bool = VLC_FALSE;
166 var_Change( p_input, "demuxed-id3", VLC_VAR_SETVALUE, &val, NULL );
168 /* Initialize thread properties */
170 p_input->p_sys = NULL;
173 p_input->psz_source = strdup( p_item->psz_uri );
179 p_input->p_es_out = NULL;
182 p_input->p_demux = NULL;
183 p_input->pf_demux = NULL;
184 p_input->pf_rewind = NULL;
185 p_input->pf_demux_control = NULL;
186 p_input->i_cr_average = config_GetInt( p_input, "cr-average" );
189 p_input->p_access = NULL;
191 p_input->i_bufsize = 0;
193 p_input->i_pts_delay = DEFAULT_PTS_DELAY;
195 /* Initialize statistics */
196 p_input->c_loops = 0;
197 p_input->stream.c_packets_read = 0;
198 p_input->stream.c_packets_trashed = 0;
201 vlc_mutex_init( p_input, &p_input->stream.stream_lock );
202 vlc_cond_init( p_input, &p_input->stream.stream_wait );
203 vlc_mutex_init( p_input, &p_input->stream.control.control_lock );
205 /* Initialize stream description */
206 p_input->stream.b_changed = 0;
207 p_input->stream.i_es_number = 0;
208 p_input->stream.i_selected_es_number = 0;
209 p_input->stream.i_pgrm_number = 0;
210 p_input->stream.i_new_status = p_input->stream.i_new_rate = 0;
211 p_input->stream.b_new_mute = MUTE_NO_CHANGE;
212 p_input->stream.i_mux_rate = 0;
213 p_input->stream.b_seekable = 0;
214 p_input->stream.p_sout = NULL;
216 /* no stream, no program, no area, no es */
217 p_input->stream.p_new_program = NULL;
219 p_input->stream.i_area_nb = 0;
220 p_input->stream.pp_areas = NULL;
221 p_input->stream.p_selected_area = NULL;
222 p_input->stream.p_new_area = NULL;
224 p_input->stream.pp_selected_es = NULL;
225 p_input->stream.p_removed_es = NULL;
226 p_input->stream.p_newly_selected_es = NULL;
228 /* By default there is one area in a stream */
229 input_AddArea( p_input, 0, 1 );
230 p_input->stream.p_selected_area = p_input->stream.pp_areas[0];
232 /* Initialize stream control properties. */
233 p_input->stream.control.i_status = INIT_S;
234 p_input->stream.control.i_rate = DEFAULT_RATE;
235 p_input->stream.control.b_mute = 0;
236 p_input->stream.control.b_grayscale = config_GetInt( p_input, "grayscale" );
238 /* Initialize input info */
239 p_input->stream.p_info = malloc( sizeof( input_info_category_t ) );
240 if( !p_input->stream.p_info )
242 msg_Err( p_input, "No memory!" );
245 p_input->stream.p_info->psz_name = strdup("General") ;
246 p_input->stream.p_info->p_info = NULL;
247 p_input->stream.p_info->p_next = NULL;
249 msg_Info( p_input, "playlist item `%s'", p_input->psz_source );
251 p_info = input_InfoCategory( p_input, _("General") );
252 input_AddInfo( p_info, _("Playlist Item"), p_input->psz_source );
253 vlc_object_attach( p_input, p_parent );
255 /* Create thread and wait for its readiness. */
256 if( vlc_thread_create( p_input, "input", RunThread,
257 VLC_THREAD_PRIORITY_INPUT, VLC_TRUE ) )
259 msg_Err( p_input, "cannot create input thread" );
267 /*****************************************************************************
268 * input_StopThread: mark an input thread as zombie
269 *****************************************************************************
270 * This function should not return until the thread is effectively cancelled.
271 *****************************************************************************/
272 void input_StopThread( input_thread_t *p_input )
274 /* Make the thread exit from a possible vlc_cond_wait() */
275 vlc_mutex_lock( &p_input->stream.stream_lock );
276 /* Request thread destruction */
279 vlc_cond_signal( &p_input->stream.stream_wait );
280 vlc_mutex_unlock( &p_input->stream.stream_lock );
283 /*****************************************************************************
284 * input_DestroyThread: mark an input thread as zombie
285 *****************************************************************************
286 * This function should not return until the thread is effectively cancelled.
287 *****************************************************************************/
288 void input_DestroyThread( input_thread_t *p_input )
290 /* Join the thread */
291 vlc_thread_join( p_input );
293 /* Destroy Mutex locks */
294 vlc_mutex_destroy( &p_input->stream.control.control_lock );
295 vlc_cond_destroy( &p_input->stream.stream_wait );
296 vlc_mutex_destroy( &p_input->stream.stream_lock );
299 /*****************************************************************************
300 * RunThread: main thread loop
301 *****************************************************************************
302 * Thread in charge of processing the network packets and demultiplexing.
303 *****************************************************************************/
304 static int RunThread( input_thread_t *p_input )
307 mtime_t i_update_next = -1;
309 /* Signal right now, otherwise we'll get stuck in a peek */
310 vlc_thread_ready( p_input );
312 if( InitThread( p_input ) )
314 /* If we failed, wait before we are killed, and exit */
315 p_input->b_error = 1;
317 ErrorThread( p_input );
319 /* Tell we're dead */
325 /* initialization is complete */
326 vlc_mutex_lock( &p_input->stream.stream_lock );
327 p_input->stream.b_changed = 1;
328 p_input->stream.control.i_status = PLAYING_S;
329 vlc_mutex_unlock( &p_input->stream.stream_lock );
331 val.i_int = PLAYING_S;
332 var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
334 while( !p_input->b_die && !p_input->b_error && !p_input->b_eof )
336 unsigned int i, i_count;
340 vlc_mutex_lock( &p_input->stream.stream_lock );
342 if( p_input->stream.p_new_program )
344 if( p_input->pf_set_program != NULL )
347 /* Reinitialize buffer manager. */
348 input_AccessReinit( p_input );
350 p_input->pf_set_program( p_input,
351 p_input->stream.p_new_program );
353 /* Escape all decoders for the stream discontinuity they
355 input_EscapeDiscontinuity( p_input );
357 for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
359 pgrm_descriptor_t * p_pgrm
360 = p_input->stream.pp_programs[i];
362 /* Reinitialize synchro. */
363 p_pgrm->i_synchro_state = SYNCHRO_REINIT;
366 p_input->stream.p_new_program = NULL;
369 if( p_input->stream.p_new_area )
371 if( p_input->stream.b_seekable && p_input->pf_set_area != NULL )
373 input_AccessReinit( p_input );
375 p_input->pf_set_area( p_input, p_input->stream.p_new_area );
377 /* Escape all decoders for the stream discontinuity they
379 input_EscapeDiscontinuity( p_input );
381 for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
383 pgrm_descriptor_t * p_pgrm
384 = p_input->stream.pp_programs[i];
386 /* Reinitialize synchro. */
387 p_pgrm->i_synchro_state = SYNCHRO_REINIT;
390 p_input->stream.p_new_area = NULL;
393 if( p_input->stream.p_selected_area->i_seek != NO_SEEK )
395 if( p_input->stream.p_selected_area->i_size > 0 )
399 double f = (double)p_input->stream.p_selected_area->i_seek /
400 (double)p_input->stream.p_selected_area->i_size;
402 vlc_mutex_unlock( &p_input->stream.stream_lock );
403 demux_Control( p_input, DEMUX_SET_POSITION, f );
404 vlc_mutex_lock( &p_input->stream.stream_lock );
406 /* Escape all decoders for the stream discontinuity they
408 input_EscapeDiscontinuity( p_input );
410 for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
412 pgrm_descriptor_t * p_pgrm=p_input->stream.pp_programs[i];
414 /* Reinitialize synchro. */
415 p_pgrm->i_synchro_state = SYNCHRO_REINIT;
418 vlc_mutex_unlock( &p_input->stream.stream_lock );
419 if( !demux_Control( p_input, DEMUX_GET_TIME, &i_time ) )
424 /* Help in bar display */
426 var_Change( p_input, "time", VLC_VAR_SETVALUE, &val, NULL );
429 for( i = 0; i < p_input->p_sys->i_sub; i++ )
431 subtitle_Seek( p_input->p_sys->sub[i], i_time );
434 vlc_mutex_lock( &p_input->stream.stream_lock );
436 p_input->stream.p_selected_area->i_seek = NO_SEEK;
439 if( p_input->stream.p_removed_es )
441 input_UnselectES( p_input, p_input->stream.p_removed_es );
442 p_input->stream.p_removed_es = NULL;
445 if( p_input->stream.p_newly_selected_es )
447 input_SelectES( p_input, p_input->stream.p_newly_selected_es );
448 p_input->stream.p_newly_selected_es = NULL;
451 if( p_input->stream.b_new_mute != MUTE_NO_CHANGE )
453 if( p_input->stream.b_new_mute )
455 input_EscapeAudioDiscontinuity( p_input );
458 vlc_mutex_lock( &p_input->stream.control.control_lock );
459 p_input->stream.control.b_mute = p_input->stream.b_new_mute;
460 vlc_mutex_unlock( &p_input->stream.control.control_lock );
462 p_input->stream.b_new_mute = MUTE_NO_CHANGE;
465 vlc_mutex_unlock( &p_input->stream.stream_lock );
467 /* Read and demultiplex some data. */
468 i_count = p_input->pf_demux( p_input );
472 /* End of file - we do not set b_die because only the
473 * playlist is allowed to do so. */
474 msg_Info( p_input, "EOF reached" );
477 else if( i_count < 0 )
479 p_input->b_error = 1;
482 if( !p_input->b_error && !p_input->b_eof && i_update_next < mdate() )
489 /* update input status variables */
490 if( !demux_Control( p_input, DEMUX_GET_POSITION, &d_pos ) )
492 val.f_float = (float)d_pos;
493 var_Change( p_input, "position", VLC_VAR_SETVALUE, &val, NULL );
495 if( !demux_Control( p_input, DEMUX_GET_TIME, &i_time ) )
498 var_Change( p_input, "time", VLC_VAR_SETVALUE, &val, NULL );
500 if( !demux_Control( p_input, DEMUX_GET_LENGTH, &i_length ) )
502 val.i_time = i_length;
503 var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
507 for( i = 0; i < p_input->p_sys->i_sub; i++ )
509 subtitle_Demux( p_input->p_sys->sub[i], i_time );
512 i_update_next = mdate() + I64C(150000);
516 if( p_input->b_error || p_input->b_eof )
518 ErrorThread( p_input );
521 EndThread( p_input );
526 /*****************************************************************************
527 * InitThread: init the input Thread
528 *****************************************************************************/
529 static int InitThread( input_thread_t * p_input )
532 playlist_t *p_playlist;
535 /* Parse source string. Syntax : [[<access>][/<demux>]:][<source>] */
536 char * psz_parser = p_input->psz_dupsource = strdup(p_input->psz_source);
538 subtitle_demux_t *p_sub;
539 int64_t i_microsecondperframe;
541 /* Skip the plug-in names */
542 while( *psz_parser && *psz_parser != ':' )
546 #if defined( WIN32 ) || defined( UNDER_CE )
547 if( psz_parser - p_input->psz_dupsource == 1 )
549 msg_Warn( p_input, "drive letter %c: found in source string",
550 p_input->psz_dupsource[0] ) ;
557 p_input->psz_access = p_input->psz_demux = "";
558 p_input->psz_name = p_input->psz_source;
559 free( p_input->psz_dupsource );
560 p_input->psz_dupsource = NULL;
564 *psz_parser++ = '\0';
566 /* let's skip '//' */
567 if( psz_parser[0] == '/' && psz_parser[1] == '/' )
572 p_input->psz_name = psz_parser ;
574 /* Come back to parse the access and demux plug-ins */
575 psz_parser = p_input->psz_dupsource;
580 p_input->psz_access = "";
582 else if( *psz_parser == '/' )
585 p_input->psz_access = "";
590 p_input->psz_access = psz_parser;
592 while( *psz_parser && *psz_parser != '/' )
597 if( *psz_parser == '/' )
599 *psz_parser++ = '\0';
606 p_input->psz_demux = "";
610 p_input->psz_demux = psz_parser;
614 msg_Dbg( p_input, "access `%s', demux `%s', name `%s'",
615 p_input->psz_access, p_input->psz_demux, p_input->psz_name );
617 if( input_AccessInit( p_input ) == -1 )
619 free( p_input->psz_source );
620 if( p_input->psz_dupsource != NULL )
622 free( p_input->psz_dupsource );
628 /* Initialize optional stream output. (before demuxer)*/
629 var_Get( p_input, "sout", &val );
630 if( val.psz_string != NULL )
632 if ( *val.psz_string && (p_input->stream.p_sout =
633 sout_NewInstance( p_input, val.psz_string )) == NULL )
635 msg_Err( p_input, "cannot start stream output instance, aborting" );
636 free( val.psz_string );
638 input_AccessEnd( p_input );
639 free( p_input->psz_source );
640 if( p_input->psz_dupsource != NULL )
642 free( p_input->psz_dupsource );
646 free( val.psz_string );
649 p_input->p_es_out = input_EsOutNew( p_input );
650 es_out_Control( p_input->p_es_out, ES_OUT_SET_ACTIVE, VLC_FALSE );
651 es_out_Control( p_input->p_es_out, ES_OUT_SET_MODE, ES_OUT_MODE_NONE );
653 /* Find and open appropriate access module */
654 p_input->p_access = module_Need( p_input, "access",
655 p_input->psz_access );
657 #ifndef WIN32 /* Remove this gross hack from the win32 build as colons
658 * are forbidden in filenames on Win32. */
660 /* Maybe we got something like: /Volumes/toto:titi/gabu.mpg */
661 if ( p_input->p_access == NULL
662 && (*p_input->psz_demux || *p_input->psz_access) )
664 p_input->psz_access = p_input->psz_demux = "";
665 p_input->psz_name = p_input->psz_source;
666 free( p_input->psz_dupsource);
667 p_input->psz_dupsource = NULL;
669 p_input->p_access = module_Need( p_input, "access",
670 p_input->psz_access );
674 if( p_input->p_access == NULL )
676 msg_Err( p_input, "no suitable access module for `%s/%s://%s'",
677 p_input->psz_access, p_input->psz_demux, p_input->psz_name );
678 if ( p_input->stream.p_sout != NULL )
680 sout_DeleteInstance( p_input->stream.p_sout );
683 input_AccessEnd( p_input );
684 free( p_input->psz_source );
685 if( p_input->psz_dupsource != NULL )
687 free( p_input->psz_dupsource );
692 /* Waiting for stream. */
695 p_input->i_bufsize = p_input->i_mtu;
699 p_input->i_bufsize = INPUT_DEFAULT_BUFSIZE;
702 /* If the desynchronisation requested by the user is < 0, we need to
703 * cache more data. */
704 var_Create( p_input, "audio-desync", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
705 var_Get( p_input, "audio-desync", &val );
707 p_input->i_pts_delay -= (val.i_int * 1000);
709 if( p_input->p_current_data == NULL && p_input->pf_read != NULL )
711 while( !input_FillBuffer( p_input ) )
713 if( p_input->b_die || p_input->b_error || p_input->b_eof )
715 module_Unneed( p_input, p_input->p_access );
716 if ( p_input->stream.p_sout != NULL )
718 sout_DeleteInstance( p_input->stream.p_sout );
720 input_AccessEnd( p_input );
721 free( p_input->psz_source );
722 if( p_input->psz_dupsource != NULL )
724 free( p_input->psz_dupsource );
731 /* Create the stream_t facilities */
732 p_input->s = stream_OpenInput( p_input );
733 if( p_input->s == NULL )
735 /* should nver occur yet */
737 msg_Err( p_input, "cannot create stream_t !" );
739 module_Unneed( p_input, p_input->p_access );
740 if ( p_input->stream.p_sout != NULL )
742 sout_DeleteInstance( p_input->stream.p_sout );
744 input_AccessEnd( p_input );
745 free( p_input->psz_source );
746 if( p_input->psz_dupsource != NULL )
748 free( p_input->psz_dupsource );
753 /* Find and open appropriate demux module */
755 module_Need( p_input, "demux",
756 (p_input->psz_demux && *p_input->psz_demux) ?
757 p_input->psz_demux : "$demux" );
759 if( p_input->p_demux == NULL )
761 msg_Err( p_input, "no suitable demux module for `%s/%s://%s'",
762 p_input->psz_access, p_input->psz_demux, p_input->psz_name );
764 stream_Release( p_input->s );
765 module_Unneed( p_input, p_input->p_access );
766 if ( p_input->stream.p_sout != NULL )
768 sout_DeleteInstance( p_input->stream.p_sout );
770 input_AccessEnd( p_input );
771 free( p_input->psz_source );
772 if( p_input->psz_dupsource != NULL )
774 free( p_input->psz_dupsource );
779 /* Init input_thread_sys_t */
780 p_input->p_sys = malloc( sizeof( input_thread_sys_t ) );
781 p_input->p_sys->i_sub = 0;
782 p_input->p_sys->sub = NULL;
785 if( !demux_Control( p_input, DEMUX_GET_LENGTH, &i_length ) && i_length > 0 )
787 p_playlist = (playlist_t*)vlc_object_find( p_input,
792 vlc_mutex_lock( &p_playlist->object_lock );
793 p_playlist->pp_items[ p_playlist->i_index ]->i_duration = i_length;
794 val.b_bool = VLC_TRUE;
795 vlc_mutex_unlock( &p_playlist->object_lock );
796 var_Set( p_playlist, "intf-change", val );
797 vlc_object_release( p_playlist );
803 if( demux_Control( p_input, DEMUX_GET_FPS, &f_fps ) || f_fps < 0.1 )
805 i_microsecondperframe = 0;
809 i_microsecondperframe = (int64_t)( (double)1000000.0 / (double)f_fps );
812 /* Look for and add subtitle files */
813 var_Get( p_input, "sub-file", &val );
814 if( val.psz_string && *val.psz_string )
816 if( ( p_sub = subtitle_New( p_input, strdup(val.psz_string), i_microsecondperframe, 0 ) ) )
818 /* Select this ES by default */
819 es_out_Control( p_input->p_es_out, ES_OUT_SET_ES_STATE, p_sub->p_es, VLC_TRUE );
821 TAB_APPEND( p_input->p_sys->i_sub, p_input->p_sys->sub, p_sub );
824 if( val.psz_string ) free( val.psz_string );
826 var_Get( p_input, "sub-autodetect-file", &val );
830 char **tmp = subtitles_Detect( p_input, "", p_input->psz_source );
832 for( i = 0; *tmp2 != NULL; i++ )
834 if( ( p_sub = subtitle_New( p_input, strdup(*tmp2++), i_microsecondperframe, i ) ) )
836 TAB_APPEND( p_input->p_sys->i_sub, p_input->p_sys->sub, p_sub );
842 es_out_Control( p_input->p_es_out, ES_OUT_SET_ACTIVE, VLC_TRUE );
843 val.b_bool = VLC_FALSE;
844 if( p_input->stream.p_sout )
846 var_Get( p_input, "sout-all", &val );
848 es_out_Control( p_input->p_es_out, ES_OUT_SET_MODE,
849 val.b_bool ? ES_OUT_MODE_ALL : ES_OUT_MODE_AUTO );
854 /*****************************************************************************
855 * ErrorThread: RunThread() error loop
856 *****************************************************************************
857 * This function is called when an error occured during thread main's loop.
858 *****************************************************************************/
859 static void ErrorThread( input_thread_t *p_input )
861 while( !p_input->b_die )
864 msleep( INPUT_IDLE_SLEEP );
868 /*****************************************************************************
869 * EndThread: end the input thread
870 *****************************************************************************/
871 static void EndThread( input_thread_t * p_input )
874 #ifdef HAVE_SYS_TIMES_H
875 /* Display statistics */
876 struct tms cpu_usage;
879 msg_Dbg( p_input, "%ld loops consuming user: %ld, system: %ld",
880 p_input->c_loops, cpu_usage.tms_utime, cpu_usage.tms_stime );
882 msg_Dbg( p_input, "%ld loops", p_input->c_loops );
885 input_DumpStream( p_input );
887 /* Free demultiplexer's data */
888 if( p_input->p_demux ) module_Unneed( p_input, p_input->p_demux );
890 /* Free all ES and destroy all decoder threads */
891 input_EndStream( p_input );
893 /* Close optional stream output instance */
894 if( p_input->stream.p_sout )
897 vlc_object_find( p_input, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
900 if( var_Get( p_input, "sout-keep", &keep ) >= 0 && keep.b_bool && p_pl )
902 /* attach sout to the playlist */
903 msg_Warn( p_input, "keeping sout" );
904 vlc_object_detach( p_input->stream.p_sout );
905 vlc_object_attach( p_input->stream.p_sout, p_pl );
909 msg_Warn( p_input, "destroying sout" );
910 sout_DeleteInstance( p_input->stream.p_sout );
914 vlc_object_release( p_pl );
918 /* Destroy subtitles demuxers */
921 for( i = 0; i < p_input->p_sys->i_sub; i++ )
923 subtitle_Close( p_input->p_sys->sub[i] );
925 if( p_input->p_sys->i_sub > 0 )
927 free( p_input->p_sys->sub );
930 /* Free input_thread_sys_t */
931 free( p_input->p_sys );
934 /* Destroy the stream_t facilities */
935 if( p_input->s ) stream_Release( p_input->s );
938 if( p_input->p_es_out ) input_EsOutDelete( p_input->p_es_out );
940 /* Close the access plug-in */
941 if( p_input->p_access ) module_Unneed( p_input, p_input->p_access );
943 input_AccessEnd( p_input );
945 /* Free info structures XXX destroy es before 'cause vorbis */
946 msg_Dbg( p_input, "freeing info structures...");
947 input_DelInfo( p_input );
949 free( p_input->psz_source );
950 if( p_input->psz_dupsource != NULL ) free( p_input->psz_dupsource );
952 /* Tell we're dead */
956 /*****************************************************************************
957 * ParseOption: parses the options for the input
958 *****************************************************************************
959 * This function parses the input (config) options and creates their associated
961 * Options are of the form "[no[-]]foo[=bar]" where foo is the option name and
962 * bar is the value of the option.
963 *****************************************************************************/
964 static void ParseOption( input_thread_t *p_input, const char *psz_option )
966 char *psz_name = (char *)psz_option;
967 char *psz_value = strchr( psz_option, '=' );
968 int i_name_len, i_type;
969 vlc_bool_t b_isno = VLC_FALSE;
972 if( psz_value ) i_name_len = psz_value - psz_option;
973 else i_name_len = strlen( psz_option );
975 /* It's too much of an hassle to remove the ':' when we parse
977 if( i_name_len && *psz_name == ':' )
983 if( i_name_len == 0 ) return;
985 psz_name = strndup( psz_name, i_name_len );
986 if( psz_value ) psz_value++;
988 i_type = config_GetType( p_input, psz_name );
990 if( !i_type && !psz_value )
992 /* check for "no-foo" or "nofoo" */
993 if( !strncmp( psz_name, "no-", 3 ) )
995 memmove( psz_name, psz_name + 3, strlen(psz_name) + 1 - 3 );
997 else if( !strncmp( psz_name, "no", 2 ) )
999 memmove( psz_name, psz_name + 2, strlen(psz_name) + 1 - 2 );
1001 else goto cleanup; /* Option doesn't exist */
1004 i_type = config_GetType( p_input, psz_name );
1006 if( !i_type ) goto cleanup; /* Option doesn't exist */
1008 else if( !i_type ) goto cleanup; /* Option doesn't exist */
1010 if( ( i_type != VLC_VAR_BOOL ) &&
1011 ( !psz_value || !*psz_value ) ) goto cleanup; /* Invalid value */
1013 /* Create the variable in the input object.
1014 * Children of the input object will be able to retreive this value
1015 * thanks to the inheritance property of the object variables. */
1016 var_Create( p_input, psz_name, i_type );
1021 val.b_bool = !b_isno;
1024 case VLC_VAR_INTEGER:
1025 val.i_int = atoi( psz_value );
1029 val.f_float = atof( psz_value );
1032 case VLC_VAR_STRING:
1033 case VLC_VAR_MODULE:
1035 case VLC_VAR_DIRECTORY:
1036 val.psz_string = psz_value;
1044 var_Set( p_input, psz_name, val );
1046 msg_Dbg( p_input, "set input option: %s to %s", psz_name, psz_value );
1049 if( psz_name ) free( psz_name );
1053 /*****************************************************************************
1054 * Callbacks (position, time, state, rate )
1055 *****************************************************************************/
1056 static int PositionCallback( vlc_object_t *p_this, char const *psz_cmd,
1057 vlc_value_t oldval, vlc_value_t newval,
1060 input_thread_t *p_input = (input_thread_t *)p_this;
1062 msg_Dbg( p_input, "cmd=%s old=%f new=%f", psz_cmd,
1063 oldval.f_float, newval.f_float );
1065 if( !strcmp( psz_cmd, "position-offset" ) )
1068 var_Get( p_input, "position", &val );
1070 newval.f_float += val.f_float;
1073 vlc_mutex_lock( &p_input->stream.stream_lock );
1074 p_input->stream.p_selected_area->i_seek =
1075 (int64_t)( newval.f_float *
1076 (double)p_input->stream.p_selected_area->i_size );
1078 if( p_input->stream.p_selected_area->i_seek < 0 )
1080 p_input->stream.p_selected_area->i_seek = 0;
1082 vlc_mutex_unlock( &p_input->stream.stream_lock );
1087 static int TimeCallback( vlc_object_t *p_this, char const *psz_cmd,
1088 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1090 input_thread_t *p_input = (input_thread_t *)p_this;
1093 /* FIXME TODO FIXME */
1094 msg_Dbg( p_input, "cmd=%s old=%lld new=%lld", psz_cmd,
1095 oldval.i_time, newval.i_time );
1097 var_Get( p_input, "length", &val );
1098 if( val.i_time > 0 )
1100 val.f_float = (double)newval.i_time / (double)val.i_time;
1101 if( !strcmp( psz_cmd, "time-offset" ) )
1103 var_Set( p_input, "position-offset", val );
1107 var_Set( p_input, "position", val );
1112 msg_Warn( p_input, "TimeCallback: length <= 0 -> can't seek" );
1117 static int StateCallback( vlc_object_t *p_this, char const *psz_cmd,
1118 vlc_value_t oldval, vlc_value_t newval,
1121 input_thread_t *p_input = (input_thread_t *)p_this;
1123 msg_Dbg( p_input, "cmd=%s old=%d new=%d",
1124 psz_cmd, oldval.i_int, newval.i_int );
1126 switch( newval.i_int )
1129 input_SetStatus( p_input, INPUT_STATUS_PLAY );
1132 input_SetStatus( p_input, INPUT_STATUS_PAUSE );
1135 input_SetStatus( p_input, INPUT_STATUS_END );
1138 msg_Err( p_input, "cannot set new state (invalid)" );
1139 return VLC_EGENERIC;
1143 static int RateCallback( vlc_object_t *p_this, char const *psz_cmd,
1144 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1146 input_thread_t *p_input = (input_thread_t *)p_this;
1148 if( !strcmp( psz_cmd, "rate-slower" ) )
1150 input_SetStatus( p_input, INPUT_STATUS_SLOWER );
1152 else if( !strcmp( psz_cmd, "rate-faster" ) )
1154 input_SetStatus( p_input, INPUT_STATUS_FASTER );
1158 msg_Dbg( p_input, "cmd=%s old=%d new=%d",
1159 psz_cmd, oldval.i_int, newval.i_int );
1160 input_SetRate( p_input, newval.i_int );