1 /*****************************************************************************
2 * es_out_timeshift.c: Es Out timeshift.
3 *****************************************************************************
4 * Copyright (C) 2008 Laurent Aimar
7 * Authors: Laurent Aimar < fenrir _AT_ via _DOT_ ecp _DOT_ fr>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
35 #if defined (WIN32) && !defined (UNDER_CE)
38 #ifdef HAVE_SYS_STAT_H
39 # include <sys/stat.h>
42 #include <vlc_common.h>
43 #include <vlc_charset.h>
45 #include <vlc_input.h>
46 #include <vlc_es_out.h>
47 #include <vlc_block.h>
48 #include "input_internal.h"
50 #include "es_out_timeshift.h"
52 /*****************************************************************************
54 *****************************************************************************/
103 ts_cmd_control_t control;
112 input_thread_t *p_input;
115 /* Lock for all following fields */
121 mtime_t i_pause_date;
127 mtime_t i_rate_delay;
143 input_thread_t *p_input;
147 int64_t i_tmp_size_max; /* Maximal temporary file size in byte */
148 char *psz_tmp_path; /* Path for temporary files */
150 /* Lock for all following fields */
155 ts_thread_t *p_thread;
159 bool b_input_paused_source;
161 int i_input_rate_source;
168 static es_out_id_t *Add ( es_out_t *, const es_format_t * );
169 static int Send ( es_out_t *, es_out_id_t *, block_t * );
170 static void Del ( es_out_t *, es_out_id_t * );
171 static int Control( es_out_t *, int i_query, va_list );
172 static void Destroy( es_out_t * );
174 static int TsStart( es_out_t * );
175 static void TsAutoStop( es_out_t * );
177 static void TsStop( ts_thread_t * );
178 static void TsPushCmd( ts_thread_t *, const ts_cmd_t * );
179 static int TsPopCmdLocked( ts_thread_t *, ts_cmd_t * );
180 static bool TsHasCmd( ts_thread_t * );
181 static bool TsIsUnused( ts_thread_t * );
182 static int TsChangePause( ts_thread_t *, bool b_source_paused, bool b_paused, mtime_t i_date );
183 static int TsChangeRate( ts_thread_t *, int i_src_rate, int i_rate );
185 static void *TsRun( vlc_object_t * );
187 static void CmdClean( ts_cmd_t * );
188 static void cmd_cleanup_routine( void *p ) { CmdClean( p ); }
190 static int CmdInitAdd ( ts_cmd_t *, es_out_id_t *, const es_format_t *, bool b_copy );
191 static void CmdInitSend ( ts_cmd_t *, es_out_id_t *, block_t * );
192 static int CmdInitDel ( ts_cmd_t *, es_out_id_t * );
193 static int CmdInitControl( ts_cmd_t *, int i_query, va_list, bool b_copy );
196 static void CmdCleanAdd ( ts_cmd_t * );
197 static void CmdCleanSend ( ts_cmd_t * );
198 static void CmdCleanControl( ts_cmd_t *p_cmd );
200 /* XXX these functions will take the destination es_out_t */
201 static void CmdExecuteAdd ( es_out_t *, ts_cmd_t * );
202 static int CmdExecuteSend ( es_out_t *, ts_cmd_t * );
203 static void CmdExecuteDel ( es_out_t *, ts_cmd_t * );
204 static int CmdExecuteControl( es_out_t *, ts_cmd_t * );
207 static char *GetTmpPath( char *psz_path );
208 static FILE *GetTmpFile( const char *psz_path );
210 /*****************************************************************************
211 * input_EsOutTimeshiftNew:
212 *****************************************************************************/
213 es_out_t *input_EsOutTimeshiftNew( input_thread_t *p_input, es_out_t *p_next_out, int i_rate )
215 es_out_t *p_out = malloc( sizeof(*p_out) );
219 es_out_sys_t *p_sys = malloc( sizeof(*p_sys) );
228 p_out->pf_send = Send;
230 p_out->pf_control = Control;
231 p_out->pf_destroy = Destroy;
232 p_out->p_sys = p_sys;
233 p_out->b_sout = p_input->p->p_sout != NULL;
236 p_sys->b_input_paused = false;
237 p_sys->b_input_paused_source = false;
238 p_sys->p_input = p_input;
239 p_sys->i_input_rate = i_rate;
240 p_sys->i_input_rate_source = i_rate;
242 p_sys->p_out = p_next_out;
243 vlc_mutex_init_recursive( &p_sys->lock );
245 p_sys->b_delayed = false;
246 p_sys->p_thread = NULL;
248 TAB_INIT( p_sys->i_es, p_sys->pp_es );
251 * timeshift-granularity
254 p_sys->i_tmp_size_max = 50 * 1024*1024;
255 p_sys->psz_tmp_path = GetTmpPath( NULL );
260 /*****************************************************************************
262 *****************************************************************************/
263 static void Destroy( es_out_t *p_out )
265 es_out_sys_t *p_sys = p_out->p_sys;
267 if( p_sys->b_delayed )
269 TsStop( p_sys->p_thread );
270 p_sys->b_delayed = false;
273 while( p_sys->i_es > 0 )
274 Del( p_out, p_sys->pp_es[0] );
275 TAB_CLEAN( p_sys->i_es, p_sys->pp_es );
277 free( p_sys->psz_tmp_path );
278 vlc_mutex_destroy( &p_sys->lock );
283 static es_out_id_t *Add( es_out_t *p_out, const es_format_t *p_fmt )
285 es_out_sys_t *p_sys = p_out->p_sys;
288 es_out_id_t *p_es = malloc( sizeof( *p_es ) );
292 vlc_mutex_lock( &p_sys->lock );
296 if( CmdInitAdd( &cmd, p_es, p_fmt, p_sys->b_delayed ) )
298 vlc_mutex_unlock( &p_sys->lock );
303 TAB_APPEND( p_sys->i_es, p_sys->pp_es, p_es );
305 if( p_sys->b_delayed )
306 TsPushCmd( p_sys->p_thread, &cmd );
308 CmdExecuteAdd( p_sys->p_out, &cmd );
310 vlc_mutex_unlock( &p_sys->lock );
314 static int Send( es_out_t *p_out, es_out_id_t *p_es, block_t *p_block )
316 es_out_sys_t *p_sys = p_out->p_sys;
318 int i_ret = VLC_SUCCESS;
320 vlc_mutex_lock( &p_sys->lock );
324 CmdInitSend( &cmd, p_es, p_block );
325 if( p_sys->b_delayed )
326 TsPushCmd( p_sys->p_thread, &cmd );
328 i_ret = CmdExecuteSend( p_sys->p_out, &cmd) ;
330 vlc_mutex_unlock( &p_sys->lock );
334 static void Del( es_out_t *p_out, es_out_id_t *p_es )
336 es_out_sys_t *p_sys = p_out->p_sys;
339 vlc_mutex_lock( &p_sys->lock );
343 CmdInitDel( &cmd, p_es );
344 if( p_sys->b_delayed )
345 TsPushCmd( p_sys->p_thread, &cmd );
347 CmdExecuteDel( p_sys->p_out, &cmd );
349 TAB_REMOVE( p_sys->i_es, p_sys->pp_es, p_es );
351 vlc_mutex_unlock( &p_sys->lock );
354 static int ControlLockedGetEmpty( es_out_t *p_out, bool *pb_empty )
356 es_out_sys_t *p_sys = p_out->p_sys;
358 if( p_sys->b_delayed && TsHasCmd( p_sys->p_thread ) )
361 *pb_empty = es_out_GetEmpty( p_sys->p_out );
365 static int ControlLockedGetWakeup( es_out_t *p_out, mtime_t *pi_wakeup )
367 es_out_sys_t *p_sys = p_out->p_sys;
369 if( p_sys->b_delayed )
371 assert( !p_sys->p_input->b_can_pace_control );
376 *pi_wakeup = es_out_GetWakeup( p_sys->p_out );
381 static int ControlLockedGetBuffering( es_out_t *p_out, bool *pb_buffering )
383 es_out_sys_t *p_sys = p_out->p_sys;
385 if( p_sys->b_delayed )
386 *pb_buffering = true;
388 *pb_buffering = es_out_GetBuffering( p_sys->p_out );
392 static int ControlLockedSetPauseState( es_out_t *p_out, bool b_source_paused, bool b_paused, mtime_t i_date )
394 es_out_sys_t *p_sys = p_out->p_sys;
397 if( !p_sys->b_delayed && !b_source_paused == !b_paused )
399 i_ret = es_out_SetPauseState( p_sys->p_out, b_source_paused, b_paused, i_date );
403 i_ret = VLC_EGENERIC;
404 if( !p_sys->p_input->b_can_pace_control )
406 if( !p_sys->b_delayed )
408 if( p_sys->b_delayed )
409 i_ret = TsChangePause( p_sys->p_thread, b_source_paused, b_paused, i_date );
413 /* XXX we may do it BUT it would be better to finish the clock clean up+improvments
414 * and so be able to advertize correctly pace control property in access
416 msg_Err( p_sys->p_input, "EsOutTimeshift does not work with streams that have space control" );
422 p_sys->b_input_paused_source = b_source_paused;
423 p_sys->b_input_paused = b_paused;
427 static int ControlLockedSetRate( es_out_t *p_out, int i_src_rate, int i_rate )
429 es_out_sys_t *p_sys = p_out->p_sys;
432 if( !p_sys->b_delayed && i_src_rate == i_rate )
434 i_ret = es_out_SetRate( p_sys->p_out, i_src_rate, i_rate );
438 i_ret = VLC_EGENERIC;
439 if( !p_sys->p_input->b_can_pace_control )
441 if( !p_sys->b_delayed )
443 if( p_sys->b_delayed )
444 i_ret = TsChangeRate( p_sys->p_thread, i_src_rate, i_rate );
448 /* XXX we may do it BUT it would be better to finish the clock clean up+improvments
449 * and so be able to advertize correctly pace control property in access
451 msg_Err( p_sys->p_input, "EsOutTimeshift does not work with streams that have space control" );
458 p_sys->i_input_rate_source = i_src_rate;
459 p_sys->i_input_rate = i_rate;
463 static int ControlLockedSetTime( es_out_t *p_out, mtime_t i_date )
465 es_out_sys_t *p_sys = p_out->p_sys;
467 if( !p_sys->b_delayed )
468 return es_out_SetTime( p_sys->p_out, i_date );
471 msg_Err( p_sys->p_input, "EsOutTimeshift does not yet support time change" );
474 static int ControlLockedSetFrameNext( es_out_t *p_out )
476 es_out_sys_t *p_sys = p_out->p_sys;
478 if( !p_sys->b_delayed )
479 return es_out_SetFrameNext( p_sys->p_out );
482 msg_Err( p_sys->p_input, "EsOutTimeshift does not yet support frame next" );
486 static int ControlLocked( es_out_t *p_out, int i_query, va_list args )
488 es_out_sys_t *p_sys = p_out->p_sys;
492 /* Invalid query for this es_out level */
493 case ES_OUT_SET_ES_BY_ID:
494 case ES_OUT_RESTART_ES_BY_ID:
495 case ES_OUT_SET_ES_DEFAULT_BY_ID:
496 case ES_OUT_SET_DELAY:
497 case ES_OUT_SET_RECORD_STATE:
501 /* TODO ? or to remove ? */
505 /* Pass-through control */
506 case ES_OUT_SET_ACTIVE:
507 case ES_OUT_SET_MODE:
508 case ES_OUT_SET_GROUP:
510 case ES_OUT_SET_GROUP_PCR:
511 case ES_OUT_RESET_PCR:
512 case ES_OUT_SET_NEXT_DISPLAY_TIME:
513 case ES_OUT_SET_GROUP_META:
514 case ES_OUT_SET_GROUP_EPG:
515 case ES_OUT_DEL_GROUP:
517 case ES_OUT_RESTART_ES:
518 case ES_OUT_SET_ES_DEFAULT:
519 case ES_OUT_SET_ES_STATE:
520 case ES_OUT_SET_ES_FMT:
523 if( CmdInitControl( &cmd, i_query, args, p_sys->b_delayed ) )
525 if( p_sys->b_delayed )
527 TsPushCmd( p_sys->p_thread, &cmd );
530 return CmdExecuteControl( p_sys->p_out, &cmd );
533 /* Special control when delayed */
534 case ES_OUT_GET_ES_STATE:
536 es_out_id_t *p_es = (es_out_id_t*)va_arg( args, es_out_id_t * );
537 bool *pb_enabled = (bool*)va_arg( args, bool* );
539 if( p_sys->b_delayed )
544 return es_out_Control( p_sys->p_out, ES_OUT_GET_ES_STATE, p_es, pb_enabled );
547 /* Special internal input control */
548 case ES_OUT_GET_EMPTY:
550 bool *pb_empty = (bool*)va_arg( args, bool* );
551 return ControlLockedGetEmpty( p_out, pb_empty );
553 case ES_OUT_GET_WAKE_UP: /* TODO ? */
555 mtime_t *pi_wakeup = (mtime_t*)va_arg( args, mtime_t* );
556 return ControlLockedGetWakeup( p_out, pi_wakeup );
558 case ES_OUT_GET_BUFFERING:
560 bool *pb_buffering = (bool *)va_arg( args, bool* );
561 return ControlLockedGetBuffering( p_out, pb_buffering );
563 case ES_OUT_SET_PAUSE_STATE:
565 const bool b_source_paused = (bool)va_arg( args, int );
566 const bool b_paused = (bool)va_arg( args, int );
567 const mtime_t i_date = (mtime_t) va_arg( args, mtime_t );
569 return ControlLockedSetPauseState( p_out, b_source_paused, b_paused, i_date );
571 case ES_OUT_SET_RATE:
573 const int i_src_rate = (int)va_arg( args, int );
574 const int i_rate = (int)va_arg( args, int );
576 return ControlLockedSetRate( p_out, i_src_rate, i_rate );
578 case ES_OUT_SET_TIME:
580 const mtime_t i_date = (mtime_t)va_arg( args, mtime_t );
582 return ControlLockedSetTime( p_out, i_date );
584 case ES_OUT_SET_FRAME_NEXT:
586 return ControlLockedSetFrameNext( p_out );
590 msg_Err( p_sys->p_input, "Unknown es_out_Control query !" );
595 static int Control( es_out_t *p_out, int i_query, va_list args )
597 es_out_sys_t *p_sys = p_out->p_sys;
600 vlc_mutex_lock( &p_sys->lock );
604 i_ret = ControlLocked( p_out, i_query, args );
606 vlc_mutex_unlock( &p_sys->lock );
611 /*****************************************************************************
613 *****************************************************************************/
614 static void TsDestructor( vlc_object_t *p_this )
616 ts_thread_t *p_ts = (ts_thread_t*)p_this;
618 vlc_cond_destroy( &p_ts->wait );
619 vlc_mutex_destroy( &p_ts->lock );
621 static int TsStart( es_out_t *p_out )
623 es_out_sys_t *p_sys = p_out->p_sys;
626 assert( !p_sys->b_delayed );
628 p_sys->p_thread = p_ts = vlc_custom_create( p_sys->p_input, sizeof(ts_thread_t),
629 VLC_OBJECT_GENERIC, "es out timeshift" );
633 p_ts->p_input = p_sys->p_input;
634 p_ts->p_out = p_sys->p_out;
635 vlc_mutex_init( &p_ts->lock );
636 vlc_cond_init( &p_ts->wait );
637 p_ts->b_paused = p_sys->b_input_paused && !p_sys->b_input_paused_source;
638 p_ts->i_pause_date = p_ts->b_paused ? mdate() : -1;
639 p_ts->i_rate_source = p_sys->i_input_rate_source;
640 p_ts->i_rate = p_sys->i_input_rate;
641 p_ts->i_rate_date = -1;
642 p_ts->i_rate_delay = 0;
643 p_ts->i_cmd_delay = 0;
644 TAB_INIT( p_ts->i_cmd, p_ts->pp_cmd );
646 vlc_object_set_destructor( p_ts, TsDestructor );
648 p_sys->b_delayed = true;
649 if( vlc_thread_create( p_ts, "es out timeshift",
650 TsRun, VLC_THREAD_PRIORITY_INPUT, false ) )
652 msg_Err( p_sys->p_input, "cannot create input thread" );
654 vlc_object_release( p_ts );
656 p_sys->b_delayed = false;
662 static void TsAutoStop( es_out_t *p_out )
664 es_out_sys_t *p_sys = p_out->p_sys;
666 if( !p_sys->b_delayed || !TsIsUnused( p_sys->p_thread ) )
669 msg_Warn( p_sys->p_input, "es out timeshift: auto stop" );
670 TsStop( p_sys->p_thread );
672 p_sys->b_delayed = false;
674 static void TsStop( ts_thread_t *p_ts )
676 vlc_object_kill( p_ts );
677 vlc_thread_join( p_ts );
679 vlc_mutex_lock( &p_ts->lock );
684 if( TsPopCmdLocked( p_ts, &cmd ) )
689 vlc_mutex_unlock( &p_ts->lock );
690 TAB_CLEAN( p_ts->i_cmd, p_ts->pp_cmd );
692 vlc_object_release( p_ts );
694 static void TsPushCmd( ts_thread_t *p_ts, const ts_cmd_t *p_cmd )
696 ts_cmd_t *p_dup = malloc( sizeof(*p_dup) );
702 vlc_mutex_lock( &p_ts->lock );
704 TAB_APPEND( p_ts->i_cmd, p_ts->pp_cmd, p_dup );
705 vlc_cond_signal( &p_ts->wait );
707 vlc_mutex_unlock( &p_ts->lock );
710 static int TsPopCmdLocked( ts_thread_t *p_ts, ts_cmd_t *p_cmd )
712 vlc_assert_locked( &p_ts->lock );
714 if( p_ts->i_cmd <= 0 )
717 *p_cmd = *p_ts->pp_cmd[0];
719 free( p_ts->pp_cmd[0] );
720 TAB_REMOVE( p_ts->i_cmd, p_ts->pp_cmd, p_ts->pp_cmd[0] );
723 static bool TsHasCmd( ts_thread_t *p_ts )
727 vlc_mutex_lock( &p_ts->lock );
728 b_cmd = p_ts->i_cmd > 0;
729 vlc_mutex_unlock( &p_ts->lock );
733 static bool TsIsUnused( ts_thread_t *p_ts )
737 vlc_mutex_lock( &p_ts->lock );
738 b_unused = !p_ts->b_paused &&
739 p_ts->i_rate == p_ts->i_rate_source &&
741 vlc_mutex_unlock( &p_ts->lock );
745 static int TsChangePause( ts_thread_t *p_ts, bool b_source_paused, bool b_paused, mtime_t i_date )
747 vlc_mutex_lock( &p_ts->lock );
752 assert( !b_source_paused );
753 i_ret = es_out_SetPauseState( p_ts->p_out, true, true, i_date );
757 i_ret = es_out_SetPauseState( p_ts->p_out, false, false, i_date );
764 assert( p_ts->i_pause_date > 0 );
766 p_ts->i_cmd_delay += i_date - p_ts->i_pause_date;
769 p_ts->b_paused = b_paused;
770 p_ts->i_pause_date = i_date;
772 vlc_cond_signal( &p_ts->wait );
774 vlc_mutex_unlock( &p_ts->lock );
777 static int TsChangeRate( ts_thread_t *p_ts, int i_src_rate, int i_rate )
781 vlc_mutex_lock( &p_ts->lock );
782 p_ts->i_cmd_delay += p_ts->i_rate_delay;
784 p_ts->i_rate_date = -1;
785 p_ts->i_rate_delay = 0;
786 p_ts->i_rate = i_rate;
787 p_ts->i_rate_source = i_src_rate;
789 i_ret = es_out_SetRate( p_ts->p_out, i_rate, i_rate );
790 vlc_mutex_unlock( &p_ts->lock );
795 static void *TsRun( vlc_object_t *p_thread )
797 ts_thread_t *p_ts = (ts_thread_t*)p_thread;
804 /* Pop a command to execute */
805 vlc_mutex_lock( &p_ts->lock );
806 mutex_cleanup_push( &p_ts->lock );
808 while( p_ts->b_paused || TsPopCmdLocked( p_ts, &cmd ) )
809 vlc_cond_wait( &p_ts->wait, &p_ts->lock );
811 if( p_ts->i_rate_date < 0 )
812 p_ts->i_rate_date = cmd.i_date;
814 p_ts->i_rate_delay = 0;
815 if( p_ts->i_rate_source != p_ts->i_rate )
817 const mtime_t i_duration = cmd.i_date - p_ts->i_rate_date;
818 p_ts->i_rate_delay = i_duration * p_ts->i_rate / p_ts->i_rate_source - i_duration;
820 if( p_ts->i_cmd_delay + p_ts->i_rate_delay < 0 )
822 const int canc = vlc_savecancel();
824 /* Auto reset to rate 1.0 */
825 msg_Warn( p_ts->p_input, "es out timeshift: auto reset rate to %d", p_ts->i_rate_source );
827 p_ts->i_cmd_delay = 0;
829 p_ts->i_rate_date = -1;
830 p_ts->i_rate_delay = 0;
831 p_ts->i_rate = p_ts->i_rate_source;
833 if( !es_out_SetRate( p_ts->p_out, p_ts->i_rate_source, p_ts->i_rate ) )
835 vlc_value_t val = { .i_int = p_ts->i_rate };
837 * FIXME it is perfectly safe BUT it is ugly as it may hide a
838 * rate change requested by user */
839 input_ControlPush( p_ts->p_input, INPUT_CONTROL_SET_RATE, &val );
842 vlc_restorecancel( canc );
844 i_deadline = cmd.i_date + p_ts->i_cmd_delay + p_ts->i_rate_delay;
848 /* Regulate the speed of command processing to the same one than
850 vlc_cleanup_push( cmd_cleanup_routine, &cmd );
856 /* Execute the command */
857 const int canc = vlc_savecancel();
861 CmdExecuteAdd( p_ts->p_out, &cmd );
865 CmdExecuteSend( p_ts->p_out, &cmd );
866 CmdCleanSend( &cmd );
869 CmdExecuteControl( p_ts->p_out, &cmd );
870 CmdCleanControl( &cmd );
873 CmdExecuteDel( p_ts->p_out, &cmd );
879 vlc_restorecancel( canc );
885 /*****************************************************************************
887 *****************************************************************************/
888 static void CmdClean( ts_cmd_t *p_cmd )
890 switch( p_cmd->i_type )
893 CmdCleanAdd( p_cmd );
896 CmdCleanSend( p_cmd );
899 CmdCleanControl( p_cmd );
909 static int CmdInitAdd( ts_cmd_t *p_cmd, es_out_id_t *p_es, const es_format_t *p_fmt, bool b_copy )
911 p_cmd->i_type = C_ADD;
912 p_cmd->i_date = mdate();
913 p_cmd->add.p_es = p_es;
916 p_cmd->add.p_fmt = malloc( sizeof(*p_fmt) );
917 if( !p_cmd->add.p_fmt )
919 es_format_Copy( p_cmd->add.p_fmt, p_fmt );
923 p_cmd->add.p_fmt = (es_format_t*)p_fmt;
927 static void CmdExecuteAdd( es_out_t *p_out, ts_cmd_t *p_cmd )
929 p_cmd->add.p_es->p_es = es_out_Add( p_out, p_cmd->add.p_fmt );
931 static void CmdCleanAdd( ts_cmd_t *p_cmd )
933 es_format_Clean( p_cmd->add.p_fmt );
934 free( p_cmd->add.p_fmt );
937 static void CmdInitSend( ts_cmd_t *p_cmd, es_out_id_t *p_es, block_t *p_block )
939 p_cmd->i_type = C_SEND;
940 p_cmd->i_date = mdate();
941 p_cmd->send.p_es = p_es;
942 p_cmd->send.p_block = p_block;
944 static int CmdExecuteSend( es_out_t *p_out, ts_cmd_t *p_cmd )
946 block_t *p_block = p_cmd->send.p_block;
948 p_cmd->send.p_block = NULL;
952 if( p_cmd->send.p_es->p_es )
953 return es_out_Send( p_out, p_cmd->send.p_es->p_es, p_block );
954 block_Release( p_block );
958 static void CmdCleanSend( ts_cmd_t *p_cmd )
960 if( p_cmd->send.p_block )
961 block_Release( p_cmd->send.p_block );
964 static int CmdInitDel( ts_cmd_t *p_cmd, es_out_id_t *p_es )
966 p_cmd->i_type = C_DEL;
967 p_cmd->i_date = mdate();
968 p_cmd->del.p_es = p_es;
971 static void CmdExecuteDel( es_out_t *p_out, ts_cmd_t *p_cmd )
973 if( p_cmd->del.p_es->p_es )
974 es_out_Del( p_out, p_cmd->del.p_es->p_es );
975 free( p_cmd->del.p_es );
978 static int CmdInitControl( ts_cmd_t *p_cmd, int i_query, va_list args, bool b_copy )
980 p_cmd->i_type = C_CONTROL;
981 p_cmd->i_date = mdate();
982 p_cmd->control.i_query = i_query;
983 p_cmd->control.p_meta = NULL;
984 p_cmd->control.p_epg = NULL;
985 p_cmd->control.p_fmt = NULL;
989 /* Pass-through control */
990 case ES_OUT_SET_ACTIVE: /* arg1= bool */
991 p_cmd->control.b_bool = (bool)va_arg( args, int );
994 case ES_OUT_SET_MODE: /* arg1= int */
995 case ES_OUT_SET_GROUP: /* arg1= int */
996 case ES_OUT_DEL_GROUP: /* arg1=int i_group */
997 p_cmd->control.i_int = (int)va_arg( args, int );
1000 case ES_OUT_SET_PCR: /* arg1=int64_t i_pcr(microsecond!) (using default group 0)*/
1001 case ES_OUT_SET_NEXT_DISPLAY_TIME: /* arg1=int64_t i_pts(microsecond) */
1002 p_cmd->control.i_i64 = (int64_t)va_arg( args, int64_t );
1005 case ES_OUT_SET_GROUP_PCR: /* arg1= int i_group, arg2=int64_t i_pcr(microsecond!)*/
1006 p_cmd->control.i_int = (int)va_arg( args, int );
1007 p_cmd->control.i_i64 = (int64_t)va_arg( args, int64_t );
1010 case ES_OUT_RESET_PCR: /* no arg */
1013 case ES_OUT_SET_GROUP_META: /* arg1=int i_group arg2=vlc_meta_t* */
1015 p_cmd->control.i_int = (int)va_arg( args, int );
1016 vlc_meta_t *p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t * );
1020 p_cmd->control.p_meta = vlc_meta_New();
1021 if( !p_cmd->control.p_meta )
1022 return VLC_EGENERIC;
1023 vlc_meta_Merge( p_cmd->control.p_meta, p_meta );
1027 p_cmd->control.p_meta = p_meta;
1032 case ES_OUT_SET_GROUP_EPG: /* arg1=int i_group arg2=vlc_epg_t* */
1034 p_cmd->control.i_int = (int)va_arg( args, int );
1035 vlc_epg_t *p_epg = (vlc_epg_t*)va_arg( args, vlc_epg_t * );
1039 p_cmd->control.p_epg = vlc_epg_New( p_epg->psz_name );
1040 if( !p_cmd->control.p_epg )
1041 return VLC_EGENERIC;
1042 for( int i = 0; i < p_epg->i_event; i++ )
1044 vlc_epg_event_t *p_evt = p_epg->pp_event[i];
1046 vlc_epg_AddEvent( p_cmd->control.p_epg,
1047 p_evt->i_start, p_evt->i_duration,
1049 p_evt->psz_short_description, p_evt->psz_description );
1051 vlc_epg_SetCurrent( p_cmd->control.p_epg,
1052 p_epg->p_current ? p_epg->p_current->i_start : -1 );
1056 p_cmd->control.p_epg = p_epg;
1061 /* Modified control */
1062 case ES_OUT_SET_ES: /* arg1= es_out_id_t* */
1063 case ES_OUT_RESTART_ES: /* arg1= es_out_id_t* */
1064 case ES_OUT_SET_ES_DEFAULT: /* arg1= es_out_id_t* */
1065 p_cmd->control.p_es = (es_out_id_t*)va_arg( args, es_out_id_t * );
1068 case ES_OUT_SET_ES_STATE:/* arg1= es_out_id_t* arg2=bool */
1069 p_cmd->control.p_es = (es_out_id_t*)va_arg( args, es_out_id_t * );
1070 p_cmd->control.b_bool = (bool)va_arg( args, int );
1073 case ES_OUT_SET_ES_FMT: /* arg1= es_out_id_t* arg2=es_format_t* */
1075 p_cmd->control.p_es = (es_out_id_t*)va_arg( args, es_out_id_t * );
1076 es_format_t *p_fmt = (es_format_t*)va_arg( args, es_format_t * );
1080 p_cmd->control.p_fmt = malloc( sizeof(*p_fmt) );
1081 if( !p_cmd->control.p_fmt )
1082 return VLC_EGENERIC;
1083 es_format_Copy( p_cmd->control.p_fmt, p_fmt );
1087 p_cmd->control.p_fmt = p_fmt;
1094 return VLC_EGENERIC;
1099 static int CmdExecuteControl( es_out_t *p_out, ts_cmd_t *p_cmd )
1101 const int i_query = p_cmd->control.i_query;
1105 /* Pass-through control */
1106 case ES_OUT_SET_ACTIVE: /* arg1= bool */
1107 return es_out_Control( p_out, i_query, p_cmd->control.b_bool );
1109 case ES_OUT_SET_MODE: /* arg1= int */
1110 case ES_OUT_SET_GROUP: /* arg1= int */
1111 case ES_OUT_DEL_GROUP: /* arg1=int i_group */
1112 return es_out_Control( p_out, i_query, p_cmd->control.i_int );
1114 case ES_OUT_SET_PCR: /* arg1=int64_t i_pcr(microsecond!) (using default group 0)*/
1115 case ES_OUT_SET_NEXT_DISPLAY_TIME: /* arg1=int64_t i_pts(microsecond) */
1116 return es_out_Control( p_out, i_query, p_cmd->control.i_i64 );
1118 case ES_OUT_SET_GROUP_PCR: /* arg1= int i_group, arg2=int64_t i_pcr(microsecond!)*/
1119 return es_out_Control( p_out, i_query, p_cmd->control.i_int, p_cmd->control.i_i64 );
1121 case ES_OUT_RESET_PCR: /* no arg */
1122 return es_out_Control( p_out, i_query );
1124 case ES_OUT_SET_GROUP_META: /* arg1=int i_group arg2=vlc_meta_t* */
1125 return es_out_Control( p_out, i_query, p_cmd->control.i_int, p_cmd->control.p_meta );
1127 case ES_OUT_SET_GROUP_EPG: /* arg1=int i_group arg2=vlc_epg_t* */
1128 return es_out_Control( p_out, i_query, p_cmd->control.i_int, p_cmd->control.p_epg );
1130 /* Modified control */
1131 case ES_OUT_SET_ES: /* arg1= es_out_id_t* */
1132 case ES_OUT_RESTART_ES: /* arg1= es_out_id_t* */
1133 case ES_OUT_SET_ES_DEFAULT: /* arg1= es_out_id_t* */
1134 return es_out_Control( p_out, i_query, p_cmd->control.p_es->p_es );
1136 case ES_OUT_SET_ES_STATE:/* arg1= es_out_id_t* arg2=bool */
1137 return es_out_Control( p_out, i_query, p_cmd->control.p_es->p_es, p_cmd->control.b_bool );
1139 case ES_OUT_SET_ES_FMT: /* arg1= es_out_id_t* arg2=es_format_t* */
1140 return es_out_Control( p_out, i_query, p_cmd->control.p_es->p_es, p_cmd->control.p_fmt );
1144 return VLC_EGENERIC;
1147 static void CmdCleanControl( ts_cmd_t *p_cmd )
1149 if( p_cmd->control.p_meta )
1150 vlc_meta_Delete( p_cmd->control.p_meta );
1151 if( p_cmd->control.p_epg )
1152 vlc_epg_Delete( p_cmd->control.p_epg );
1153 if( p_cmd->control.p_fmt )
1155 es_format_Clean( p_cmd->control.p_fmt );
1156 free( p_cmd->control.p_fmt );
1161 /*****************************************************************************
1163 *****************************************************************************/
1164 static char *GetTmpPath( char *psz_path )
1166 if( psz_path && *psz_path )
1168 /* Make sure that the path exists and is a directory */
1170 const int i_ret = utf8_stat( psz_path, &s );
1172 if( i_ret < 0 && !utf8_mkdir( psz_path, 0600 ) )
1174 else if( i_ret == 0 && ( s.st_mode & S_IFDIR ) )
1179 /* Create a suitable path */
1180 #if defined (WIN32) && !defined (UNDER_CE)
1181 const DWORD dwCount = GetTempPathW( 0, NULL );
1182 wchar_t *psw_path = calloc( dwCount + 1, sizeof(wchar_t) );
1185 if( GetTempPathW( dwCount + 1, psw_path ) <= 0 )
1189 psw_path = _wgetcwd( NULL, 0 );
1196 psz_path = FromWide( psw_path );
1197 while( psz_path && *psz_path && psz_path[strlen( psz_path ) - 1] == '\\' )
1198 psz_path[strlen( psz_path ) - 1] = '\0';
1203 if( !psz_path || *psz_path == '\0' )
1206 return strdup( "C:" );
1209 psz_path = strdup( "/tmp" );
1215 static FILE *GetTmpFile( const char *psz_path )
1222 if( asprintf( &psz_name, "%s/vlc-timeshift.XXXXXX", psz_path ) < 0 )
1226 fd = mkstemp( psz_name );
1233 f = fdopen( fd, "rw+" );