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 1.245 2003/09/30 16:09:58 hartman 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>
35 #ifdef HAVE_SYS_TIMES_H
36 # include <sys/times.h>
39 #include "vlc_playlist.h"
41 #include "stream_output.h"
43 #include "vlc_interface.h"
45 #include "modules/demux/util/sub.h"
47 /*****************************************************************************
49 *****************************************************************************/
50 struct input_thread_sys_t
54 subtitle_demux_t **sub;
57 static int RunThread ( input_thread_t *p_input );
58 static int InitThread ( input_thread_t *p_input );
59 static void ErrorThread ( input_thread_t *p_input );
60 static void EndThread ( input_thread_t *p_input );
62 static void ParseOption ( input_thread_t *p_input,
63 const char *psz_option );
65 static es_out_t *EsOutCreate ( input_thread_t * );
66 static void EsOutRelease( es_out_t * );
68 /*****************************************************************************
70 *****************************************************************************/
71 static int PositionCallback( vlc_object_t *p_this, char const *psz_cmd,
72 vlc_value_t oldval, vlc_value_t newval, void *p_data );
73 static int TimeCallback ( vlc_object_t *p_this, char const *psz_cmd,
74 vlc_value_t oldval, vlc_value_t newval, void *p_data );
75 static int StateCallback ( vlc_object_t *p_this, char const *psz_cmd,
76 vlc_value_t oldval, vlc_value_t newval, void *p_data );
77 static int RateCallback ( vlc_object_t *p_this, char const *psz_cmd,
78 vlc_value_t oldval, vlc_value_t newval, void *p_data );
80 /*****************************************************************************
81 * input_CreateThread: creates a new input thread
82 *****************************************************************************
83 * This function creates a new input, and returns a pointer
84 * to its description. On error, it returns NULL.
85 *****************************************************************************/
86 input_thread_t *__input_CreateThread( vlc_object_t *p_parent,
87 playlist_item_t *p_item )
89 input_thread_t * p_input; /* thread descriptor */
90 input_info_category_t * p_info;
94 /* Allocate descriptor */
95 p_input = vlc_object_create( p_parent, VLC_OBJECT_INPUT );
98 msg_Err( p_parent, "out of memory" );
102 /* Parse input options */
103 for( i = 0; i < p_item->i_options; i++ )
105 ParseOption( p_input, p_item->ppsz_options[i] );
108 /* Create a few object variables we'll need later on */
109 var_Create( p_input, "video", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
110 var_Create( p_input, "audio", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
111 var_Create( p_input, "audio-channel", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
112 var_Create( p_input, "spu-channel", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
113 var_Create( p_input, "sub-file", VLC_VAR_FILE | VLC_VAR_DOINHERIT );
114 var_Create( p_input, "sub-autodetect-file", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
116 var_Create( p_input, "sout", VLC_VAR_STRING | 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 );
123 /* position variable */
124 var_Create( p_input, "position", VLC_VAR_FLOAT ); /* position 0.0->1.0 */
125 var_Create( p_input, "position-offset", VLC_VAR_FLOAT ); /* relative */
127 var_Change( p_input, "position", VLC_VAR_SETVALUE, &val, NULL );
128 var_AddCallback( p_input, "position", PositionCallback, NULL );
131 var_Create( p_input, "time", VLC_VAR_TIME );
132 var_Create( p_input, "time-offset", VLC_VAR_TIME ); /* relative */
134 var_Change( p_input, "time", VLC_VAR_SETVALUE, &val, NULL );
135 var_AddCallback( p_input, "time", TimeCallback, NULL );
137 /* length variable */
138 var_Create( p_input, "length", VLC_VAR_TIME );
140 var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
143 var_Create( p_input, "rate", VLC_VAR_INTEGER );
144 var_Create( p_input, "rate-slower", VLC_VAR_VOID );
145 var_Create( p_input, "rate-faster", VLC_VAR_VOID );
146 val.i_int = DEFAULT_RATE;
147 var_Change( p_input, "rate", VLC_VAR_SETVALUE, &val, NULL );
148 var_AddCallback( p_input, "rate", RateCallback, NULL );
149 var_AddCallback( p_input, "rate-slower", RateCallback, NULL );
150 var_AddCallback( p_input, "rate-faster", RateCallback, NULL );
153 var_Create( p_input, "state", VLC_VAR_INTEGER );
155 var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
156 var_AddCallback( p_input, "state", StateCallback, NULL );
159 /* Initialize thread properties */
161 p_input->p_sys = NULL;
164 p_input->psz_source = strdup( p_item->psz_uri );
170 p_input->p_es_out = NULL;
173 p_input->p_demux = NULL;
174 p_input->pf_demux = NULL;
175 p_input->pf_rewind = NULL;
176 p_input->pf_demux_control = NULL;
179 p_input->p_access = NULL;
181 p_input->i_bufsize = 0;
183 p_input->i_pts_delay = DEFAULT_PTS_DELAY;
185 /* Initialize statistics */
186 p_input->c_loops = 0;
187 p_input->stream.c_packets_read = 0;
188 p_input->stream.c_packets_trashed = 0;
191 vlc_mutex_init( p_input, &p_input->stream.stream_lock );
192 vlc_cond_init( p_input, &p_input->stream.stream_wait );
193 vlc_mutex_init( p_input, &p_input->stream.control.control_lock );
195 /* Initialize stream description */
196 p_input->stream.b_changed = 0;
197 p_input->stream.i_es_number = 0;
198 p_input->stream.i_selected_es_number = 0;
199 p_input->stream.i_pgrm_number = 0;
200 p_input->stream.i_new_status = p_input->stream.i_new_rate = 0;
201 p_input->stream.b_new_mute = MUTE_NO_CHANGE;
202 p_input->stream.i_mux_rate = 0;
203 p_input->stream.b_seekable = 0;
204 p_input->stream.p_sout = NULL;
206 /* no stream, no program, no area, no es */
207 p_input->stream.p_new_program = NULL;
209 p_input->stream.i_area_nb = 0;
210 p_input->stream.pp_areas = NULL;
211 p_input->stream.p_selected_area = NULL;
212 p_input->stream.p_new_area = NULL;
214 p_input->stream.pp_selected_es = NULL;
215 p_input->stream.p_removed_es = NULL;
216 p_input->stream.p_newly_selected_es = NULL;
218 /* By default there is one area in a stream */
219 input_AddArea( p_input, 0, 1 );
220 p_input->stream.p_selected_area = p_input->stream.pp_areas[0];
222 /* Initialize stream control properties. */
223 p_input->stream.control.i_status = INIT_S;
224 p_input->stream.control.i_rate = DEFAULT_RATE;
225 p_input->stream.control.b_mute = 0;
226 p_input->stream.control.b_grayscale = config_GetInt( p_input, "grayscale" );
228 /* Initialize input info */
229 p_input->stream.p_info = malloc( sizeof( input_info_category_t ) );
230 if( !p_input->stream.p_info )
232 msg_Err( p_input, "No memory!" );
235 p_input->stream.p_info->psz_name = strdup("General") ;
236 p_input->stream.p_info->p_info = NULL;
237 p_input->stream.p_info->p_next = NULL;
239 msg_Info( p_input, "playlist item `%s'", p_input->psz_source );
241 p_info = input_InfoCategory( p_input, _("General") );
242 input_AddInfo( p_info, _("Playlist Item"), p_input->psz_source );
243 vlc_object_attach( p_input, p_parent );
245 /* Create thread and wait for its readiness. */
246 if( vlc_thread_create( p_input, "input", RunThread,
247 VLC_THREAD_PRIORITY_INPUT, VLC_TRUE ) )
249 msg_Err( p_input, "cannot create input thread" );
257 /*****************************************************************************
258 * input_StopThread: mark an input thread as zombie
259 *****************************************************************************
260 * This function should not return until the thread is effectively cancelled.
261 *****************************************************************************/
262 void input_StopThread( input_thread_t *p_input )
264 /* Make the thread exit from a possible vlc_cond_wait() */
265 vlc_mutex_lock( &p_input->stream.stream_lock );
266 /* Request thread destruction */
269 vlc_cond_signal( &p_input->stream.stream_wait );
270 vlc_mutex_unlock( &p_input->stream.stream_lock );
273 /*****************************************************************************
274 * input_DestroyThread: mark an input thread as zombie
275 *****************************************************************************
276 * This function should not return until the thread is effectively cancelled.
277 *****************************************************************************/
278 void input_DestroyThread( input_thread_t *p_input )
280 /* Join the thread */
281 vlc_thread_join( p_input );
283 /* Destroy Mutex locks */
284 vlc_mutex_destroy( &p_input->stream.control.control_lock );
285 vlc_cond_destroy( &p_input->stream.stream_wait );
286 vlc_mutex_destroy( &p_input->stream.stream_lock );
289 /*****************************************************************************
290 * RunThread: main thread loop
291 *****************************************************************************
292 * Thread in charge of processing the network packets and demultiplexing.
293 *****************************************************************************/
294 static int RunThread( input_thread_t *p_input )
297 mtime_t i_update_next = -1;
299 /* Signal right now, otherwise we'll get stuck in a peek */
300 vlc_thread_ready( p_input );
302 if( InitThread( p_input ) )
304 /* If we failed, wait before we are killed, and exit */
305 p_input->b_error = 1;
306 ErrorThread( p_input );
311 /* initialization is complete */
312 vlc_mutex_lock( &p_input->stream.stream_lock );
313 p_input->stream.b_changed = 1;
314 p_input->stream.control.i_status = PLAYING_S;
315 vlc_mutex_unlock( &p_input->stream.stream_lock );
317 val.i_int = PLAYING_S;
318 var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
320 while( !p_input->b_die && !p_input->b_error && !p_input->b_eof )
322 unsigned int i, i_count;
326 vlc_mutex_lock( &p_input->stream.stream_lock );
328 if( p_input->stream.p_new_program )
330 if( p_input->pf_set_program != NULL )
333 /* Reinitialize buffer manager. */
334 input_AccessReinit( p_input );
336 p_input->pf_set_program( p_input,
337 p_input->stream.p_new_program );
339 /* Escape all decoders for the stream discontinuity they
341 input_EscapeDiscontinuity( p_input );
343 for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
345 pgrm_descriptor_t * p_pgrm
346 = p_input->stream.pp_programs[i];
348 /* Reinitialize synchro. */
349 p_pgrm->i_synchro_state = SYNCHRO_REINIT;
352 p_input->stream.p_new_program = NULL;
355 if( p_input->stream.p_new_area )
357 if( p_input->stream.b_seekable && p_input->pf_set_area != NULL )
359 input_AccessReinit( p_input );
361 p_input->pf_set_area( p_input, p_input->stream.p_new_area );
363 /* Escape all decoders for the stream discontinuity they
365 input_EscapeDiscontinuity( p_input );
367 for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
369 pgrm_descriptor_t * p_pgrm
370 = p_input->stream.pp_programs[i];
372 /* Reinitialize synchro. */
373 p_pgrm->i_synchro_state = SYNCHRO_REINIT;
376 p_input->stream.p_new_area = NULL;
379 if( p_input->stream.p_selected_area->i_seek != NO_SEEK )
381 if( p_input->stream.p_selected_area->i_size > 0 )
385 double f = (double)p_input->stream.p_selected_area->i_seek /
386 (double)p_input->stream.p_selected_area->i_size;
388 vlc_mutex_unlock( &p_input->stream.stream_lock );
389 demux_Control( p_input, DEMUX_SET_POSITION, f );
390 vlc_mutex_lock( &p_input->stream.stream_lock );
392 /* Escape all decoders for the stream discontinuity they
394 input_EscapeDiscontinuity( p_input );
396 for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
398 pgrm_descriptor_t * p_pgrm=p_input->stream.pp_programs[i];
400 /* Reinitialize synchro. */
401 p_pgrm->i_synchro_state = SYNCHRO_REINIT;
404 vlc_mutex_unlock( &p_input->stream.stream_lock );
405 if( !demux_Control( p_input, DEMUX_GET_TIME, &i_time ) )
410 /* Help in bar display */
412 var_Change( p_input, "time", VLC_VAR_SETVALUE, &val, NULL );
415 for( i = 0; i < p_input->p_sys->i_sub; i++ )
417 subtitle_Seek( p_input->p_sys->sub[i], i_time );
420 vlc_mutex_lock( &p_input->stream.stream_lock );
422 p_input->stream.p_selected_area->i_seek = NO_SEEK;
425 if( p_input->stream.p_removed_es )
427 input_UnselectES( p_input, p_input->stream.p_removed_es );
428 p_input->stream.p_removed_es = NULL;
431 if( p_input->stream.p_newly_selected_es )
433 input_SelectES( p_input, p_input->stream.p_newly_selected_es );
434 p_input->stream.p_newly_selected_es = NULL;
437 if( p_input->stream.b_new_mute != MUTE_NO_CHANGE )
439 if( p_input->stream.b_new_mute )
441 input_EscapeAudioDiscontinuity( p_input );
444 vlc_mutex_lock( &p_input->stream.control.control_lock );
445 p_input->stream.control.b_mute = p_input->stream.b_new_mute;
446 vlc_mutex_unlock( &p_input->stream.control.control_lock );
448 p_input->stream.b_new_mute = MUTE_NO_CHANGE;
451 vlc_mutex_unlock( &p_input->stream.stream_lock );
453 /* Read and demultiplex some data. */
454 i_count = p_input->pf_demux( p_input );
458 /* End of file - we do not set b_die because only the
459 * playlist is allowed to do so. */
460 msg_Info( p_input, "EOF reached" );
463 else if( i_count < 0 )
465 p_input->b_error = 1;
468 if( !p_input->b_error && !p_input->b_eof && i_update_next < mdate() )
475 /* update input status variables */
476 if( !demux_Control( p_input, DEMUX_GET_POSITION, &d_pos ) )
478 val.f_float = (float)d_pos;
479 var_Change( p_input, "position", VLC_VAR_SETVALUE, &val, NULL );
481 if( !demux_Control( p_input, DEMUX_GET_TIME, &i_time ) )
484 var_Change( p_input, "time", VLC_VAR_SETVALUE, &val, NULL );
486 if( !demux_Control( p_input, DEMUX_GET_LENGTH, &i_length ) )
488 val.i_time = i_length;
489 var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
493 for( i = 0; i < p_input->p_sys->i_sub; i++ )
495 subtitle_Demux( p_input->p_sys->sub[i], i_time );
498 i_update_next = mdate() + 150000LL;
502 if( p_input->b_error || p_input->b_eof )
504 ErrorThread( p_input );
507 EndThread( p_input );
512 /*****************************************************************************
513 * InitThread: init the input Thread
514 *****************************************************************************/
515 static int InitThread( input_thread_t * p_input )
518 /* Parse source string. Syntax : [[<access>][/<demux>]:][<source>] */
519 char * psz_parser = p_input->psz_dupsource = strdup(p_input->psz_source);
521 subtitle_demux_t *p_sub;
522 int64_t i_microsecondperframe;
524 /* Skip the plug-in names */
525 while( *psz_parser && *psz_parser != ':' )
529 #if defined( WIN32 ) || defined( UNDER_CE )
530 if( psz_parser - p_input->psz_dupsource == 1 )
532 msg_Warn( p_input, "drive letter %c: found in source string",
533 p_input->psz_dupsource[0] ) ;
540 p_input->psz_access = p_input->psz_demux = "";
541 p_input->psz_name = p_input->psz_source;
542 free( p_input->psz_dupsource );
543 p_input->psz_dupsource = NULL;
547 *psz_parser++ = '\0';
549 /* let's skip '//' */
550 if( psz_parser[0] == '/' && psz_parser[1] == '/' )
555 p_input->psz_name = psz_parser ;
557 /* Come back to parse the access and demux plug-ins */
558 psz_parser = p_input->psz_dupsource;
563 p_input->psz_access = "";
565 else if( *psz_parser == '/' )
568 p_input->psz_access = "";
573 p_input->psz_access = psz_parser;
575 while( *psz_parser && *psz_parser != '/' )
580 if( *psz_parser == '/' )
582 *psz_parser++ = '\0';
589 p_input->psz_demux = "";
593 p_input->psz_demux = psz_parser;
597 msg_Dbg( p_input, "access `%s', demux `%s', name `%s'",
598 p_input->psz_access, p_input->psz_demux, p_input->psz_name );
600 if( input_AccessInit( p_input ) == -1 )
605 /* Initialize optional stream output. (before demuxer)*/
606 var_Get( p_input, "sout", &val );
607 if( val.psz_string != NULL )
609 if ( *val.psz_string && (p_input->stream.p_sout =
610 sout_NewInstance( p_input, val.psz_string )) == NULL )
612 msg_Err( p_input, "cannot start stream output instance, aborting" );
613 free( val.psz_string );
616 free( val.psz_string );
619 p_input->p_es_out = EsOutCreate( p_input );
621 /* Find and open appropriate access module */
622 p_input->p_access = module_Need( p_input, "access",
623 p_input->psz_access );
625 if ( p_input->p_access == NULL
626 && (*p_input->psz_demux || *p_input->psz_access) )
628 /* Maybe we got something like :
629 * /Volumes/toto:titi/gabu.mpg */
630 p_input->psz_access = p_input->psz_demux = "";
631 p_input->psz_name = p_input->psz_source;
632 free( p_input->psz_dupsource);
633 p_input->psz_dupsource = NULL;
635 p_input->p_access = module_Need( p_input, "access",
636 p_input->psz_access );
639 if( p_input->p_access == NULL )
641 msg_Err( p_input, "no suitable access module for `%s/%s://%s'",
642 p_input->psz_access, p_input->psz_demux, p_input->psz_name );
643 if ( p_input->stream.p_sout != NULL )
645 sout_DeleteInstance( p_input->stream.p_sout );
650 /* Waiting for stream. */
653 p_input->i_bufsize = p_input->i_mtu;
657 p_input->i_bufsize = INPUT_DEFAULT_BUFSIZE;
660 /* If the desynchronisation requested by the user is < 0, we need to
661 * cache more data. */
662 if( p_input->p_vlc->i_desync < 0 )
663 p_input->i_pts_delay -= p_input->p_vlc->i_desync;
665 if( p_input->p_current_data == NULL && p_input->pf_read != NULL )
667 while( !input_FillBuffer( p_input ) )
669 if( p_input->b_die || p_input->b_error || p_input->b_eof )
671 module_Unneed( p_input, p_input->p_access );
672 if ( p_input->stream.p_sout != NULL )
674 sout_DeleteInstance( p_input->stream.p_sout );
681 /* Create the stream_t facilities */
682 p_input->s = stream_OpenInput( p_input );
683 if( p_input->s == NULL )
685 /* should nver occur yet */
687 msg_Err( p_input, "cannot create stream_t !" );
688 module_Unneed( p_input, p_input->p_access );
689 if ( p_input->stream.p_sout != NULL )
691 sout_DeleteInstance( p_input->stream.p_sout );
696 /* Find and open appropriate demux module */
697 p_input->p_demux = module_Need( p_input, "demux",
698 p_input->psz_demux );
700 if( p_input->p_demux == NULL )
702 msg_Err( p_input, "no suitable demux module for `%s/%s://%s'",
703 p_input->psz_access, p_input->psz_demux, p_input->psz_name );
704 stream_Release( p_input->s );
705 module_Unneed( p_input, p_input->p_access );
706 if ( p_input->stream.p_sout != NULL )
708 sout_DeleteInstance( p_input->stream.p_sout );
713 /* Init input_thread_sys_t */
714 p_input->p_sys = malloc( sizeof( input_thread_sys_t ) );
715 p_input->p_sys->i_sub = 0;
716 p_input->p_sys->sub = NULL;
719 if( demux_Control( p_input, DEMUX_GET_FPS, &f_fps ) || f_fps < 0.1 )
721 i_microsecondperframe = 0;
725 i_microsecondperframe = (int64_t)( (double)1000000.0 / (double)f_fps );
728 /* Look for and add subtitle files */
729 var_Get( p_input, "sub-file", &val );
730 if( val.psz_string && *val.psz_string )
732 if( ( p_sub = subtitle_New( p_input, strdup(val.psz_string), i_microsecondperframe ) ) )
734 TAB_APPEND( p_input->p_sys->i_sub, p_input->p_sys->sub, p_sub );
735 subtitle_Select( p_sub );
738 if( val.psz_string ) free( val.psz_string );
740 var_Get( p_input, "sub-autodetect-file", &val );
743 char **tmp = subtitles_Detect( p_input, "", p_input->psz_source );
747 if( ( p_sub = subtitle_New( p_input, strdup(*tmp2++), i_microsecondperframe ) ) )
749 TAB_APPEND( p_input->p_sys->i_sub, p_input->p_sys->sub, p_sub );
758 /*****************************************************************************
759 * ErrorThread: RunThread() error loop
760 *****************************************************************************
761 * This function is called when an error occured during thread main's loop.
762 *****************************************************************************/
763 static void ErrorThread( input_thread_t *p_input )
765 while( !p_input->b_die )
768 msleep( INPUT_IDLE_SLEEP );
772 /*****************************************************************************
773 * EndThread: end the input thread
774 *****************************************************************************/
775 static void EndThread( input_thread_t * p_input )
778 #ifdef HAVE_SYS_TIMES_H
779 /* Display statistics */
780 struct tms cpu_usage;
783 msg_Dbg( p_input, "%ld loops consuming user: %ld, system: %ld",
784 p_input->c_loops, cpu_usage.tms_utime, cpu_usage.tms_stime );
786 msg_Dbg( p_input, "%ld loops", p_input->c_loops );
789 input_DumpStream( p_input );
791 /* Free all ES and destroy all decoder threads */
792 input_EndStream( p_input );
794 /* Close optional stream output instance */
795 if ( p_input->stream.p_sout != NULL )
798 vlc_object_find( p_input, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
801 if( var_Get( p_input, "sout-keep", &keep ) >= 0 && keep.b_bool && p_pl )
803 /* attach sout to the playlist */
804 msg_Warn( p_input, "keeping sout" );
805 vlc_object_detach( p_input->stream.p_sout );
806 vlc_object_attach( p_input->stream.p_sout, p_pl );
810 msg_Warn( p_input, "destroying sout" );
811 sout_DeleteInstance( p_input->stream.p_sout );
815 vlc_object_release( p_pl );
819 /* Destroy subtitles demuxers */
820 for( i = 0; i < p_input->p_sys->i_sub; i++ )
822 subtitle_Close( p_input->p_sys->sub[i] );
824 if( p_input->p_sys->i_sub > 0 )
826 free( p_input->p_sys->sub );
829 /* Free input_thread_sys_t */
830 free( p_input->p_sys );
832 /* Free demultiplexer's data */
833 module_Unneed( p_input, p_input->p_demux );
835 /* Destroy the stream_t facilities */
836 stream_Release( p_input->s );
839 EsOutRelease( p_input->p_es_out );
841 /* Close the access plug-in */
842 module_Unneed( p_input, p_input->p_access );
844 input_AccessEnd( p_input );
846 /* Free info structures XXX destroy es before 'cause vorbis */
847 msg_Dbg( p_input, "freeing info structures...");
848 input_DelInfo( p_input );
850 free( p_input->psz_source );
851 if ( p_input->psz_dupsource != NULL ) free( p_input->psz_dupsource );
853 /* Tell we're dead */
857 /*****************************************************************************
858 * ParseOption: parses the options for the input
859 *****************************************************************************
860 * This function parses the input (config) options and creates their associated
862 * Options are of the form "[no[-]]foo[=bar]" where foo is the option name and
863 * bar is the value of the option.
864 *****************************************************************************/
865 static void ParseOption( input_thread_t *p_input, const char *psz_option )
867 char *psz_name = (char *)psz_option;
868 char *psz_value = strchr( psz_option, '=' );
869 int i_name_len, i_type;
870 vlc_bool_t b_isno = VLC_FALSE;
873 if( psz_value ) i_name_len = psz_value - psz_option;
874 else i_name_len = strlen( psz_option );
876 /* It's too much of an hassle to remove the ':' when we parse
878 if( i_name_len && *psz_name == ':' )
884 if( i_name_len == 0 ) return;
886 psz_name = strndup( psz_name, i_name_len );
887 if( psz_value ) psz_value++;
889 i_type = config_GetType( p_input, psz_name );
891 if( !i_type && !psz_value )
893 /* check for "no-foo" or "nofoo" */
894 if( !strncmp( psz_name, "no-", 3 ) )
896 memmove( psz_name, psz_name + 3, strlen(psz_name) + 1 - 3 );
898 else if( !strncmp( psz_name, "no", 2 ) )
900 memmove( psz_name, psz_name + 2, strlen(psz_name) + 1 - 2 );
902 else goto cleanup; /* Option doesn't exist */
905 i_type = config_GetType( p_input, psz_name );
907 if( !i_type ) goto cleanup; /* Option doesn't exist */
909 else if( !i_type ) goto cleanup; /* Option doesn't exist */
911 if( ( i_type != VLC_VAR_BOOL ) &&
912 ( !psz_value || !*psz_value ) ) goto cleanup; /* Invalid value */
914 /* Create the variable in the input object.
915 * Children of the input object will be able to retreive this value
916 * thanks to the inheritance property of the object variables. */
917 var_Create( p_input, psz_name, i_type );
922 val.b_bool = !b_isno;
925 case VLC_VAR_INTEGER:
926 val.i_int = atoi( psz_value );
930 val.f_float = atof( psz_value );
935 case VLC_VAR_DIRECTORY:
936 val.psz_string = psz_value;
944 var_Set( p_input, psz_name, val );
946 msg_Dbg( p_input, "set input option: %s to %s", psz_name, psz_value );
949 if( psz_name ) free( psz_name );
953 /*****************************************************************************
954 * es_out_t input handler
955 *****************************************************************************/
958 input_thread_t *p_input;
968 es_descriptor_t *p_es;
971 static es_out_id_t *EsOutAdd ( es_out_t *, es_format_t * );
972 static int EsOutSend ( es_out_t *, es_out_id_t *, pes_packet_t * );
973 static void EsOutDel ( es_out_t *, es_out_id_t * );
974 static int EsOutControl( es_out_t *, int i_query, va_list );
976 static es_out_t *EsOutCreate( input_thread_t *p_input )
978 es_out_t *out = malloc( sizeof( es_out_t ) );
980 out->pf_add = EsOutAdd;
981 out->pf_send = EsOutSend;
982 out->pf_del = EsOutDel;
983 out->pf_control = EsOutControl;
985 out->p_sys = malloc( sizeof( es_out_sys_t ) );
986 out->p_sys->p_input = p_input;
987 out->p_sys->i_id = 0;
988 out->p_sys->id = NULL;
989 out->p_sys->i_audio = -1;
990 out->p_sys->i_video = -1;
993 static void EsOutRelease( es_out_t *out )
995 es_out_sys_t *p_sys = out->p_sys;
998 for( i = 0; i < p_sys->i_id; i++ )
1000 free( p_sys->id[i] );
1010 static es_out_id_t *EsOutAdd( es_out_t *out, es_format_t *fmt )
1012 es_out_sys_t *p_sys = out->p_sys;
1013 input_thread_t *p_input = p_sys->p_input;
1014 es_out_id_t *id = malloc( sizeof( es_out_id_t ) );
1015 pgrm_descriptor_t *p_prgm = NULL;
1017 vlc_mutex_lock( &p_input->stream.stream_lock );
1018 if( fmt->i_group >= 0 )
1020 /* search program */
1021 p_prgm = input_FindProgram( p_input, fmt->i_group );
1023 if( p_prgm == NULL )
1026 p_prgm = input_AddProgram( p_input, fmt->i_group, 0 );
1028 /* Select the first by default */
1029 if( p_input->stream.p_selected_program == NULL )
1031 p_input->stream.p_selected_program = p_prgm;
1036 id->p_es = input_AddES( p_input,
1038 1 + out->p_sys->i_id,
1040 fmt->psz_description, 0 );
1041 id->p_es->i_stream_id = 1 + out->p_sys->i_id;
1042 id->p_es->i_fourcc = fmt->i_codec;
1044 switch( fmt->i_cat )
1048 WAVEFORMATEX *p_wf = malloc( sizeof( WAVEFORMATEX ) + fmt->i_extra);
1050 p_wf->wFormatTag = WAVE_FORMAT_UNKNOWN;
1051 p_wf->nChannels = fmt->audio.i_channels;
1052 p_wf->nSamplesPerSec = fmt->audio.i_samplerate;
1053 p_wf->nAvgBytesPerSec = fmt->audio.i_bitrate / 8;
1054 p_wf->nBlockAlign = fmt->audio.i_blockalign;
1055 p_wf->wBitsPerSample = fmt->audio.i_bitspersample;
1056 p_wf->cbSize = fmt->i_extra;
1057 if( fmt->i_extra > 0 )
1059 if( fmt->i_extra_type != ES_EXTRA_TYPE_WAVEFORMATEX )
1061 msg_Warn( p_input, "extra type != WAVEFORMATEX for audio" );
1063 memcpy( &p_wf[1], fmt->p_extra, fmt->i_extra );
1065 id->p_es->p_waveformatex = p_wf;
1070 BITMAPINFOHEADER *p_bih = malloc( sizeof( BITMAPINFOHEADER ) +
1072 p_bih->biSize = sizeof(BITMAPINFOHEADER) + fmt->i_extra;
1073 p_bih->biWidth = fmt->video.i_width;
1074 p_bih->biHeight = fmt->video.i_height;
1075 p_bih->biPlanes = 1;
1076 p_bih->biBitCount = 24;
1077 p_bih->biCompression = fmt->i_codec;
1078 p_bih->biSizeImage = fmt->video.i_width * fmt->video.i_height;
1079 p_bih->biXPelsPerMeter = 0;
1080 p_bih->biYPelsPerMeter = 0;
1081 p_bih->biClrUsed = 0;
1082 p_bih->biClrImportant = 0;
1084 if( fmt->i_extra > 0 )
1086 if( fmt->i_extra_type != ES_EXTRA_TYPE_BITMAPINFOHEADER )
1089 "extra type != BITMAPINFOHEADER for video" );
1091 memcpy( &p_bih[1], fmt->p_extra, fmt->i_extra );
1093 id->p_es->p_bitmapinfoheader = p_bih;
1100 if( fmt->i_cat == AUDIO_ES && fmt->i_priority > out->p_sys->i_audio )
1102 if( out->p_sys->i_audio >= 0 )
1104 msg_Err( p_input, "FIXME unselect es in es_out_Add" );
1106 input_SelectES( p_input, id->p_es );
1107 if( id->p_es->p_decoder_fifo )
1109 out->p_sys->i_audio = fmt->i_priority;
1112 else if( fmt->i_cat == VIDEO_ES && fmt->i_priority > out->p_sys->i_video )
1114 if( out->p_sys->i_video >= 0 )
1116 msg_Err( p_input, "FIXME unselect es in es_out_Add" );
1118 input_SelectES( p_input, id->p_es );
1119 if( id->p_es->p_decoder_fifo )
1121 out->p_sys->i_video = fmt->i_priority;
1124 vlc_mutex_unlock( &p_input->stream.stream_lock );
1127 TAB_APPEND( out->p_sys->i_id, out->p_sys->id, id );
1131 static int EsOutSend( es_out_t *out, es_out_id_t *id, pes_packet_t *p_pes )
1133 if( id->p_es->p_decoder_fifo )
1135 input_DecodePES( id->p_es->p_decoder_fifo, p_pes );
1139 input_DeletePES( out->p_sys->p_input->p_method_data, p_pes );
1143 static void EsOutDel( es_out_t *out, es_out_id_t *id )
1145 es_out_sys_t *p_sys = out->p_sys;
1147 TAB_REMOVE( p_sys->i_id, p_sys->id, id );
1149 vlc_mutex_lock( &p_sys->p_input->stream.stream_lock );
1150 if( id->p_es->p_decoder_fifo )
1152 input_UnselectES( p_sys->p_input, id->p_es );
1154 if( id->p_es->p_waveformatex )
1156 free( id->p_es->p_waveformatex );
1157 id->p_es->p_waveformatex = NULL;
1159 if( id->p_es->p_bitmapinfoheader )
1161 free( id->p_es->p_bitmapinfoheader );
1162 id->p_es->p_bitmapinfoheader = NULL;
1164 input_DelES( p_sys->p_input, id->p_es );
1165 vlc_mutex_unlock( &p_sys->p_input->stream.stream_lock );
1169 static int EsOutControl( es_out_t *out, int i_query, va_list args )
1171 es_out_sys_t *p_sys = out->p_sys;
1176 case ES_OUT_SET_SELECT:
1177 id = (es_out_id_t*) va_arg( args, es_out_id_t * );
1178 b = (vlc_bool_t) va_arg( args, vlc_bool_t );
1179 if( b && id->p_es->p_decoder_fifo == NULL )
1181 input_SelectES( p_sys->p_input, id->p_es );
1182 return id->p_es->p_decoder_fifo ? VLC_SUCCESS : VLC_EGENERIC;
1184 else if( !b && id->p_es->p_decoder_fifo )
1186 input_UnselectES( p_sys->p_input, id->p_es );
1190 case ES_OUT_GET_SELECT:
1191 id = (es_out_id_t*) va_arg( args, es_out_id_t * );
1192 pb = (vlc_bool_t*) va_arg( args, vlc_bool_t * );
1194 *pb = id->p_es->p_decoder_fifo ? VLC_TRUE : VLC_FALSE;
1198 msg_Err( p_sys->p_input, "unknown query in es_out_Control" );
1199 return VLC_EGENERIC;
1203 /*****************************************************************************
1204 * Callbacks (position, time, state, rate )
1205 *****************************************************************************/
1206 static int PositionCallback( vlc_object_t *p_this, char const *psz_cmd,
1207 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1209 input_thread_t *p_input = (input_thread_t *)p_this;
1212 msg_Warn( p_input, "cmd=%s old=%f new=%f",
1214 oldval.f_float, newval.f_float );
1216 vlc_mutex_lock( &p_input->stream.stream_lock );
1217 i_offset = (int64_t)( newval.f_float *
1218 (double)p_input->stream.p_selected_area->i_size );
1219 if( !strcmp( psz_cmd, "position-offset" ) )
1221 p_input->stream.p_selected_area->i_seek += i_offset;
1225 p_input->stream.p_selected_area->i_seek = i_offset;
1227 if( p_input->stream.p_selected_area->i_seek < 0 )
1229 p_input->stream.p_selected_area->i_seek = 0;
1231 vlc_mutex_unlock( &p_input->stream.stream_lock );
1236 static int TimeCallback ( vlc_object_t *p_this, char const *psz_cmd,
1237 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1239 input_thread_t *p_input = (input_thread_t *)p_this;
1242 /* FIXME TODO FIXME */
1243 msg_Warn( p_input, "cmd=%s old=%lld new=%lld",
1245 oldval.i_time, newval.i_time );
1248 vlc_mutex_lock( &p_input->stream.stream_lock );
1249 i_offset = newval.i_time / 1000000 * 50 * p_input->stream.i_mux_rate;
1250 if( !strcmp( psz_cmd, "time-offset" ) )
1252 p_input->stream.p_selected_area->i_seek += i_offset;
1256 p_input->stream.p_selected_area->i_seek = i_offset;
1258 if( p_input->stream.p_selected_area->i_seek < 0 )
1260 p_input->stream.p_selected_area->i_seek = 0;
1262 vlc_mutex_unlock( &p_input->stream.stream_lock );
1267 static int StateCallback ( vlc_object_t *p_this, char const *psz_cmd,
1268 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1270 input_thread_t *p_input = (input_thread_t *)p_this;
1271 msg_Warn( p_input, "cmd=%s old=%d new=%d",
1272 psz_cmd, oldval.i_int, newval.i_int );
1274 switch( newval.i_int )
1277 input_SetStatus( p_input, INPUT_STATUS_PLAY );
1280 input_SetStatus( p_input, INPUT_STATUS_PAUSE );
1283 input_SetStatus( p_input, INPUT_STATUS_END );
1286 msg_Err( p_input, "cannot set new state (invalid)" );
1287 return VLC_EGENERIC;
1291 static int RateCallback ( vlc_object_t *p_this, char const *psz_cmd,
1292 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1294 input_thread_t *p_input = (input_thread_t *)p_this;
1296 if( !strcmp( psz_cmd, "rate-slower" ) )
1298 input_SetStatus( p_input, INPUT_STATUS_SLOWER );
1300 else if( !strcmp( psz_cmd, "rate-faster" ) )
1302 input_SetStatus( p_input, INPUT_STATUS_FASTER );
1306 msg_Warn( p_input, "cmd=%s old=%d new=%d",
1307 psz_cmd, oldval.i_int, newval.i_int );
1308 input_SetRate( p_input, newval.i_int );