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 *****************************************************************************/
105 ts_cmd_control_t control;
114 input_thread_t *p_input;
117 /* Lock for all following fields */
123 mtime_t i_pause_date;
129 mtime_t i_rate_delay;
145 input_thread_t *p_input;
149 int64_t i_tmp_size_max; /* Maximal temporary file size in byte */
150 char *psz_tmp_path; /* Path for temporary files */
152 /* Lock for all following fields */
157 ts_thread_t *p_thread;
161 bool b_input_paused_source;
163 int i_input_rate_source;
170 static es_out_id_t *Add ( es_out_t *, const es_format_t * );
171 static int Send ( es_out_t *, es_out_id_t *, block_t * );
172 static void Del ( es_out_t *, es_out_id_t * );
173 static int Control( es_out_t *, int i_query, va_list );
174 static void Destroy( es_out_t * );
176 static int TsStart( 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 int TsChangePause( ts_thread_t *, bool b_source_paused, bool b_paused, mtime_t i_date );
182 static int TsChangeRate( ts_thread_t *, int i_src_rate, int i_rate );
184 static void *TsRun( vlc_object_t * );
186 static void CmdClean( ts_cmd_t * );
187 static void cmd_cleanup_routine( void *p ) { CmdClean( p ); }
189 static int CmdInitAdd ( ts_cmd_t *, es_out_id_t *, const es_format_t *, bool b_copy );
190 static void CmdInitSend ( ts_cmd_t *, es_out_id_t *, block_t * );
191 static int CmdInitDel ( ts_cmd_t *, es_out_id_t * );
192 static int CmdInitControl( ts_cmd_t *, int i_query, va_list, bool b_copy );
195 static void CmdCleanAdd ( ts_cmd_t * );
196 static void CmdCleanSend ( ts_cmd_t * );
197 static void CmdCleanControl( ts_cmd_t *p_cmd );
199 /* XXX these functions will take the destination es_out_t */
200 static void CmdExecuteAdd ( es_out_t *, ts_cmd_t * );
201 static int CmdExecuteSend ( es_out_t *, ts_cmd_t * );
202 static void CmdExecuteDel ( es_out_t *, ts_cmd_t * );
203 static int CmdExecuteControl( es_out_t *, ts_cmd_t * );
206 static char *GetTmpPath( char *psz_path );
207 static FILE *GetTmpFile( const char *psz_path );
209 /*****************************************************************************
210 * input_EsOutTimeshiftNew:
211 *****************************************************************************/
212 es_out_t *input_EsOutTimeshiftNew( input_thread_t *p_input, es_out_t *p_next_out, int i_rate )
214 es_out_t *p_out = malloc( sizeof(*p_out) );
218 es_out_sys_t *p_sys = malloc( sizeof(*p_sys) );
227 p_out->pf_send = Send;
229 p_out->pf_control = Control;
230 p_out->pf_destroy = Destroy;
231 p_out->p_sys = p_sys;
232 p_out->b_sout = p_input->p->p_sout != NULL;
235 p_sys->b_input_paused = false;
236 p_sys->b_input_paused_source = false;
237 p_sys->p_input = p_input;
238 p_sys->i_input_rate = i_rate;
239 p_sys->i_input_rate_source = i_rate;
241 p_sys->p_out = p_next_out;
242 vlc_mutex_init_recursive( &p_sys->lock );
244 p_sys->b_delayed = false;
245 p_sys->p_thread = NULL;
247 TAB_INIT( p_sys->i_es, p_sys->pp_es );
250 * timeshift-granularity
253 p_sys->i_tmp_size_max = 50 * 1024*1024;
254 p_sys->psz_tmp_path = GetTmpPath( NULL );
259 /*****************************************************************************
261 *****************************************************************************/
262 static void Destroy( es_out_t *p_out )
264 es_out_sys_t *p_sys = p_out->p_sys;
266 if( p_sys->b_delayed )
268 TsStop( p_sys->p_thread );
269 p_sys->b_delayed = false;
272 while( p_sys->i_es > 0 )
273 Del( p_out, p_sys->pp_es[0] );
274 TAB_CLEAN( p_sys->i_es, p_sys->pp_es );
276 free( p_sys->psz_tmp_path );
277 vlc_mutex_destroy( &p_sys->lock );
282 static es_out_id_t *Add( es_out_t *p_out, const es_format_t *p_fmt )
284 es_out_sys_t *p_sys = p_out->p_sys;
287 es_out_id_t *p_es = malloc( sizeof( *p_es ) );
291 vlc_mutex_lock( &p_sys->lock );
293 if( CmdInitAdd( &cmd, p_es, p_fmt, p_sys->b_delayed ) )
295 vlc_mutex_unlock( &p_sys->lock );
300 TAB_APPEND( p_sys->i_es, p_sys->pp_es, p_es );
302 if( p_sys->b_delayed )
303 TsPushCmd( p_sys->p_thread, &cmd );
305 CmdExecuteAdd( p_sys->p_out, &cmd );
307 vlc_mutex_unlock( &p_sys->lock );
311 static int Send( es_out_t *p_out, es_out_id_t *p_es, block_t *p_block )
313 es_out_sys_t *p_sys = p_out->p_sys;
315 int i_ret = VLC_SUCCESS;
317 vlc_mutex_lock( &p_sys->lock );
319 CmdInitSend( &cmd, p_es, p_block );
320 if( p_sys->b_delayed )
321 TsPushCmd( p_sys->p_thread, &cmd );
323 i_ret = CmdExecuteSend( p_sys->p_out, &cmd) ;
325 vlc_mutex_unlock( &p_sys->lock );
329 static void Del( es_out_t *p_out, es_out_id_t *p_es )
331 es_out_sys_t *p_sys = p_out->p_sys;
334 vlc_mutex_lock( &p_sys->lock );
336 CmdInitDel( &cmd, p_es );
337 if( p_sys->b_delayed )
338 TsPushCmd( p_sys->p_thread, &cmd );
340 CmdExecuteDel( p_sys->p_out, &cmd );
342 TAB_REMOVE( p_sys->i_es, p_sys->pp_es, p_es );
344 vlc_mutex_unlock( &p_sys->lock );
347 static int ControlLockedGetEmpty( es_out_t *p_out, bool *pb_empty )
349 es_out_sys_t *p_sys = p_out->p_sys;
351 if( p_sys->b_delayed && TsHasCmd( p_sys->p_thread ) )
354 *pb_empty = es_out_GetEmpty( p_sys->p_out );
358 static int ControlLockedGetWakeup( es_out_t *p_out, mtime_t *pi_wakeup )
360 es_out_sys_t *p_sys = p_out->p_sys;
362 if( p_sys->b_delayed )
364 assert( !p_sys->p_input->b_can_pace_control );
369 *pi_wakeup = es_out_GetWakeup( p_sys->p_out );
374 static int ControlLockedGetBuffering( es_out_t *p_out, bool *pb_buffering )
376 es_out_sys_t *p_sys = p_out->p_sys;
378 if( p_sys->b_delayed )
379 *pb_buffering = true;
381 *pb_buffering = es_out_GetBuffering( p_sys->p_out );
385 static int ControlLockedSetPauseState( es_out_t *p_out, bool b_source_paused, bool b_paused, mtime_t i_date )
387 es_out_sys_t *p_sys = p_out->p_sys;
390 if( !p_sys->b_delayed && !b_source_paused == !b_paused )
392 i_ret = es_out_SetPauseState( p_sys->p_out, b_source_paused, b_paused, i_date );
396 i_ret = VLC_EGENERIC;
397 if( !p_sys->p_input->b_can_pace_control )
399 if( !p_sys->b_delayed )
401 if( p_sys->b_delayed )
402 i_ret = TsChangePause( p_sys->p_thread, b_source_paused, b_paused, i_date );
406 /* XXX we may do it BUT it would be better to finish the clock clean up+improvments
407 * and so be able to advertize correctly pace control property in access
409 msg_Err( p_sys->p_input, "EsOutTimeshift does not work with streams that have space control" );
415 p_sys->b_input_paused_source = b_source_paused;
416 p_sys->b_input_paused = b_paused;
420 static int ControlLockedSetRate( es_out_t *p_out, int i_src_rate, int i_rate )
422 es_out_sys_t *p_sys = p_out->p_sys;
425 if( !p_sys->b_delayed && i_src_rate == i_rate )
427 i_ret = es_out_SetRate( p_sys->p_out, i_src_rate, i_rate );
431 i_ret = VLC_EGENERIC;
432 if( !p_sys->p_input->b_can_pace_control )
434 if( !p_sys->b_delayed )
436 if( p_sys->b_delayed )
437 i_ret = TsChangeRate( p_sys->p_thread, i_src_rate, i_rate );
441 /* XXX we may do it BUT it would be better to finish the clock clean up+improvments
442 * and so be able to advertize correctly pace control property in access
444 msg_Err( p_sys->p_input, "EsOutTimeshift does not work with streams that have space control" );
451 p_sys->i_input_rate_source = i_src_rate;
452 p_sys->i_input_rate = i_rate;
456 static int ControlLockedSetTime( es_out_t *p_out, mtime_t i_date )
458 es_out_sys_t *p_sys = p_out->p_sys;
460 if( !p_sys->b_delayed )
461 return es_out_SetTime( p_sys->p_out, i_date );
464 msg_Err( p_sys->p_input, "EsOutTimeshift does not yet support time change" );
467 static int ControlLockedSetFrameNext( es_out_t *p_out )
469 es_out_sys_t *p_sys = p_out->p_sys;
471 if( !p_sys->b_delayed )
472 return es_out_SetFrameNext( p_sys->p_out );
475 msg_Err( p_sys->p_input, "EsOutTimeshift does not yet support frame next" );
479 static int ControlLocked( es_out_t *p_out, int i_query, va_list args )
481 es_out_sys_t *p_sys = p_out->p_sys;
485 /* Invalid query for this es_out level */
486 case ES_OUT_SET_ES_BY_ID:
487 case ES_OUT_RESTART_ES_BY_ID:
488 case ES_OUT_SET_ES_DEFAULT_BY_ID:
489 case ES_OUT_SET_DELAY:
490 case ES_OUT_SET_RECORD_STATE:
494 /* TODO ? or to remove ? */
498 /* Pass-through control */
499 case ES_OUT_SET_ACTIVE:
500 case ES_OUT_GET_ACTIVE:
501 case ES_OUT_SET_MODE:
502 case ES_OUT_GET_MODE:
503 case ES_OUT_SET_GROUP:
504 case ES_OUT_GET_GROUP:
506 case ES_OUT_SET_GROUP_PCR:
507 case ES_OUT_RESET_PCR:
508 case ES_OUT_SET_NEXT_DISPLAY_TIME:
509 case ES_OUT_SET_GROUP_META:
510 case ES_OUT_SET_GROUP_EPG:
511 case ES_OUT_DEL_GROUP:
513 case ES_OUT_RESTART_ES:
514 case ES_OUT_SET_ES_DEFAULT:
515 case ES_OUT_SET_ES_STATE:
516 case ES_OUT_GET_ES_STATE:
517 case ES_OUT_SET_ES_FMT:
520 if( CmdInitControl( &cmd, i_query, args, p_sys->b_delayed ) )
522 if( p_sys->b_delayed )
524 TsPushCmd( p_sys->p_thread, &cmd );
527 return CmdExecuteControl( p_sys->p_out, &cmd );
530 /* Special control */
531 case ES_OUT_GET_EMPTY:
533 bool *pb_empty = (bool*)va_arg( args, bool* );
534 return ControlLockedGetEmpty( p_out, pb_empty );
536 case ES_OUT_GET_WAKE_UP: /* TODO ? */
538 mtime_t *pi_wakeup = (mtime_t*)va_arg( args, mtime_t* );
539 return ControlLockedGetWakeup( p_out, pi_wakeup );
541 case ES_OUT_GET_BUFFERING:
543 bool *pb_buffering = (bool *)va_arg( args, bool* );
544 return ControlLockedGetBuffering( p_out, pb_buffering );
546 case ES_OUT_SET_PAUSE_STATE:
548 const bool b_source_paused = (bool)va_arg( args, int );
549 const bool b_paused = (bool)va_arg( args, int );
550 const mtime_t i_date = (mtime_t) va_arg( args, mtime_t );
552 return ControlLockedSetPauseState( p_out, b_source_paused, b_paused, i_date );
554 case ES_OUT_SET_RATE:
556 const int i_src_rate = (int)va_arg( args, int );
557 const int i_rate = (int)va_arg( args, int );
559 return ControlLockedSetRate( p_out, i_src_rate, i_rate );
561 case ES_OUT_SET_TIME:
563 const mtime_t i_date = (mtime_t)va_arg( args, mtime_t );
565 return ControlLockedSetTime( p_out, i_date );
567 case ES_OUT_SET_FRAME_NEXT:
569 return ControlLockedSetFrameNext( p_out );
573 msg_Err( p_sys->p_input, "Unknown es_out_Control query !" );
578 static int Control( es_out_t *p_out, int i_query, va_list args )
580 es_out_sys_t *p_sys = p_out->p_sys;
583 vlc_mutex_lock( &p_sys->lock );
584 i_ret = ControlLocked( p_out, i_query, args );
585 vlc_mutex_unlock( &p_sys->lock );
590 /*****************************************************************************
592 *****************************************************************************/
593 static void TsDestructor( vlc_object_t *p_this )
595 ts_thread_t *p_ts = (ts_thread_t*)p_this;
597 vlc_cond_destroy( &p_ts->wait );
598 vlc_mutex_destroy( &p_ts->lock );
600 static int TsStart( es_out_t *p_out )
602 es_out_sys_t *p_sys = p_out->p_sys;
605 assert( !p_sys->b_delayed );
607 p_sys->p_thread = p_ts = vlc_custom_create( p_sys->p_input, sizeof(ts_thread_t),
608 VLC_OBJECT_GENERIC, "es out timeshift" );
612 p_ts->p_input = p_sys->p_input;
613 p_ts->p_out = p_sys->p_out;
614 vlc_mutex_init( &p_ts->lock );
615 vlc_cond_init( &p_ts->wait );
616 p_ts->b_paused = p_sys->b_input_paused && !p_sys->b_input_paused_source;
617 p_ts->i_pause_date = p_ts->b_paused ? mdate() : -1;
618 p_ts->i_rate_source = p_sys->i_input_rate_source;
619 p_ts->i_rate = p_sys->i_input_rate;
620 p_ts->i_rate_date = -1;
621 p_ts->i_rate_delay = 0;
622 p_ts->i_cmd_delay = 0;
623 TAB_INIT( p_ts->i_cmd, p_ts->pp_cmd );
625 vlc_object_set_destructor( p_ts, TsDestructor );
627 p_sys->b_delayed = true;
628 if( vlc_thread_create( p_sys->p_thread, "es out timeshift",
629 TsRun, VLC_THREAD_PRIORITY_INPUT, false ) )
631 msg_Err( p_sys->p_input, "cannot create input thread" );
633 vlc_object_release( p_sys->p_thread );
635 p_sys->b_delayed = false;
641 static void TsStop( ts_thread_t *p_ts )
643 vlc_object_kill( p_ts );
644 vlc_thread_join( p_ts );
646 vlc_mutex_lock( &p_ts->lock );
651 if( TsPopCmdLocked( p_ts, &cmd ) )
656 vlc_mutex_unlock( &p_ts->lock );
657 TAB_CLEAN( p_ts->i_cmd, p_ts->pp_cmd );
659 vlc_object_release( p_ts );
661 static void TsPushCmd( ts_thread_t *p_ts, const ts_cmd_t *p_cmd )
663 ts_cmd_t *p_dup = malloc( sizeof(*p_dup) );
669 vlc_mutex_lock( &p_ts->lock );
671 TAB_APPEND( p_ts->i_cmd, p_ts->pp_cmd, p_dup );
672 vlc_cond_signal( &p_ts->wait );
674 vlc_mutex_unlock( &p_ts->lock );
677 static int TsPopCmdLocked( ts_thread_t *p_ts, ts_cmd_t *p_cmd )
679 vlc_assert_locked( &p_ts->lock );
681 if( p_ts->i_cmd <= 0 )
684 *p_cmd = *p_ts->pp_cmd[0];
686 free( p_ts->pp_cmd[0] );
687 TAB_REMOVE( p_ts->i_cmd, p_ts->pp_cmd, p_ts->pp_cmd[0] );
690 static bool TsHasCmd( ts_thread_t *p_ts )
694 vlc_mutex_lock( &p_ts->lock );
695 b_cmd = p_ts->i_cmd > 0;
696 vlc_mutex_unlock( &p_ts->lock );
700 static int TsChangePause( ts_thread_t *p_ts, bool b_source_paused, bool b_paused, mtime_t i_date )
702 vlc_mutex_lock( &p_ts->lock );
707 assert( !b_source_paused );
708 i_ret = es_out_SetPauseState( p_ts->p_out, true, true, i_date );
712 i_ret = es_out_SetPauseState( p_ts->p_out, false, false, i_date );
719 assert( p_ts->i_pause_date > 0 );
721 p_ts->i_cmd_delay += i_date - p_ts->i_pause_date;
724 p_ts->b_paused = b_paused;
725 p_ts->i_pause_date = i_date;
727 vlc_cond_signal( &p_ts->wait );
729 vlc_mutex_unlock( &p_ts->lock );
732 static int TsChangeRate( ts_thread_t *p_ts, int i_src_rate, int i_rate )
736 vlc_mutex_lock( &p_ts->lock );
737 p_ts->i_cmd_delay += p_ts->i_rate_delay;
739 p_ts->i_rate_date = -1;
740 p_ts->i_rate_delay = 0;
741 p_ts->i_rate = i_rate;
742 p_ts->i_rate_source = i_src_rate;
744 i_ret = es_out_SetRate( p_ts->p_out, i_rate, i_rate );
745 vlc_mutex_unlock( &p_ts->lock );
750 static void *TsRun( vlc_object_t *p_thread )
752 ts_thread_t *p_ts = (ts_thread_t*)p_thread;
759 /* Pop a command to execute */
760 vlc_mutex_lock( &p_ts->lock );
761 mutex_cleanup_push( &p_ts->lock );
763 while( p_ts->b_paused || TsPopCmdLocked( p_ts, &cmd ) )
764 vlc_cond_wait( &p_ts->wait, &p_ts->lock );
766 if( p_ts->i_rate_date < 0 )
767 p_ts->i_rate_date = cmd.i_date;
769 p_ts->i_rate_delay = 0;
770 if( p_ts->i_rate_source != p_ts->i_rate )
772 const mtime_t i_duration = cmd.i_date - p_ts->i_rate_date;
773 p_ts->i_rate_delay = i_duration * p_ts->i_rate / p_ts->i_rate_source - i_duration;
775 if( p_ts->i_cmd_delay + p_ts->i_rate_delay < 0 )
777 const int canc = vlc_savecancel();
779 /* Auto reset to rate 1.0 */
780 msg_Warn( p_ts->p_input, "es out timeshift: auto reset rate to %d", p_ts->i_rate_source );
782 p_ts->i_cmd_delay = 0;
784 p_ts->i_rate_date = -1;
785 p_ts->i_rate_delay = 0;
786 p_ts->i_rate = p_ts->i_rate_source;
788 if( !es_out_SetRate( p_ts->p_out, p_ts->i_rate_source, p_ts->i_rate ) )
790 vlc_value_t val = { .i_int = p_ts->i_rate };
792 * FIXME it is perfectly safe BUT it is ugly as it may hide a
793 * rate change requested by user */
794 input_ControlPush( p_ts->p_input, INPUT_CONTROL_SET_RATE, &val );
797 vlc_restorecancel( canc );
799 i_deadline = cmd.i_date + p_ts->i_cmd_delay + p_ts->i_rate_delay;
803 /* Regulate the speed of command processing to the same one than
805 vlc_cleanup_push( cmd_cleanup_routine, &cmd );
811 /* Execute the command */
812 const int canc = vlc_savecancel();
816 CmdExecuteAdd( p_ts->p_out, &cmd );
820 CmdExecuteSend( p_ts->p_out, &cmd );
821 CmdCleanSend( &cmd );
824 CmdExecuteControl( p_ts->p_out, &cmd );
825 CmdCleanControl( &cmd );
828 CmdExecuteDel( p_ts->p_out, &cmd );
834 vlc_restorecancel( canc );
840 /*****************************************************************************
842 *****************************************************************************/
843 static void CmdClean( ts_cmd_t *p_cmd )
845 switch( p_cmd->i_type )
848 CmdCleanAdd( p_cmd );
851 CmdCleanSend( p_cmd );
854 CmdCleanControl( p_cmd );
864 static int CmdInitAdd( ts_cmd_t *p_cmd, es_out_id_t *p_es, const es_format_t *p_fmt, bool b_copy )
866 p_cmd->i_type = C_ADD;
867 p_cmd->i_date = mdate();
868 p_cmd->add.p_es = p_es;
871 p_cmd->add.p_fmt = malloc( sizeof(*p_fmt) );
872 if( !p_cmd->add.p_fmt )
874 es_format_Copy( p_cmd->add.p_fmt, p_fmt );
878 p_cmd->add.p_fmt = (es_format_t*)p_fmt;
882 static void CmdExecuteAdd( es_out_t *p_out, ts_cmd_t *p_cmd )
884 p_cmd->add.p_es->p_es = es_out_Add( p_out, p_cmd->add.p_fmt );
886 static void CmdCleanAdd( ts_cmd_t *p_cmd )
888 es_format_Clean( p_cmd->add.p_fmt );
889 free( p_cmd->add.p_fmt );
892 static void CmdInitSend( ts_cmd_t *p_cmd, es_out_id_t *p_es, block_t *p_block )
894 p_cmd->i_type = C_SEND;
895 p_cmd->i_date = mdate();
896 p_cmd->send.p_es = p_es;
897 p_cmd->send.p_block = p_block;
899 static int CmdExecuteSend( es_out_t *p_out, ts_cmd_t *p_cmd )
901 block_t *p_block = p_cmd->send.p_block;
903 p_cmd->send.p_block = NULL;
907 if( p_cmd->send.p_es->p_es )
908 return es_out_Send( p_out, p_cmd->send.p_es->p_es, p_block );
909 block_Release( p_block );
913 static void CmdCleanSend( ts_cmd_t *p_cmd )
915 if( p_cmd->send.p_block )
916 block_Release( p_cmd->send.p_block );
919 static int CmdInitDel( ts_cmd_t *p_cmd, es_out_id_t *p_es )
921 p_cmd->i_type = C_DEL;
922 p_cmd->i_date = mdate();
923 p_cmd->del.p_es = p_es;
926 static void CmdExecuteDel( es_out_t *p_out, ts_cmd_t *p_cmd )
928 if( p_cmd->del.p_es->p_es )
929 es_out_Del( p_out, p_cmd->del.p_es->p_es );
930 free( p_cmd->del.p_es );
933 static int CmdInitControl( ts_cmd_t *p_cmd, int i_query, va_list args, bool b_copy )
935 p_cmd->i_type = C_CONTROL;
936 p_cmd->i_date = mdate();
937 p_cmd->control.i_query = i_query;
938 p_cmd->control.p_meta = NULL;
939 p_cmd->control.p_epg = NULL;
940 p_cmd->control.p_fmt = NULL;
944 /* Pass-through control */
945 case ES_OUT_SET_ACTIVE: /* arg1= bool */
946 p_cmd->control.b_bool = (bool)va_arg( args, int );
949 case ES_OUT_GET_ACTIVE: /* arg1= bool* */
950 p_cmd->control.pb_bool = (bool*)va_arg( args, bool * );
953 case ES_OUT_SET_MODE: /* arg1= int */
954 case ES_OUT_SET_GROUP: /* arg1= int */
955 case ES_OUT_DEL_GROUP: /* arg1=int i_group */
956 p_cmd->control.i_int = (int)va_arg( args, int );
959 case ES_OUT_GET_MODE: /* arg2= int* */
960 case ES_OUT_GET_GROUP: /* arg1= int* */
961 p_cmd->control.pi_int = (int*)va_arg( args, int * );
964 case ES_OUT_SET_PCR: /* arg1=int64_t i_pcr(microsecond!) (using default group 0)*/
965 case ES_OUT_SET_NEXT_DISPLAY_TIME: /* arg1=int64_t i_pts(microsecond) */
966 p_cmd->control.i_i64 = (int64_t)va_arg( args, int64_t );
969 case ES_OUT_SET_GROUP_PCR: /* arg1= int i_group, arg2=int64_t i_pcr(microsecond!)*/
970 p_cmd->control.i_int = (int)va_arg( args, int );
971 p_cmd->control.i_i64 = (int64_t)va_arg( args, int64_t );
974 case ES_OUT_RESET_PCR: /* no arg */
977 case ES_OUT_SET_GROUP_META: /* arg1=int i_group arg2=vlc_meta_t* */
979 p_cmd->control.i_int = (int)va_arg( args, int );
980 vlc_meta_t *p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t * );
984 p_cmd->control.p_meta = vlc_meta_New();
985 if( !p_cmd->control.p_meta )
987 vlc_meta_Merge( p_cmd->control.p_meta, p_meta );
991 p_cmd->control.p_meta = p_meta;
996 case ES_OUT_SET_GROUP_EPG: /* arg1=int i_group arg2=vlc_epg_t* */
998 p_cmd->control.i_int = (int)va_arg( args, int );
999 vlc_epg_t *p_epg = (vlc_epg_t*)va_arg( args, vlc_epg_t * );
1003 p_cmd->control.p_epg = vlc_epg_New( p_epg->psz_name );
1004 if( !p_cmd->control.p_epg )
1005 return VLC_EGENERIC;
1006 for( int i = 0; i < p_epg->i_event; i++ )
1008 vlc_epg_event_t *p_evt = p_epg->pp_event[i];
1010 vlc_epg_AddEvent( p_cmd->control.p_epg,
1011 p_evt->i_start, p_evt->i_duration,
1013 p_evt->psz_short_description, p_evt->psz_description );
1015 vlc_epg_SetCurrent( p_cmd->control.p_epg,
1016 p_epg->p_current ? p_epg->p_current->i_start : -1 );
1020 p_cmd->control.p_epg = p_epg;
1025 /* Modified control */
1026 case ES_OUT_SET_ES: /* arg1= es_out_id_t* */
1027 case ES_OUT_RESTART_ES: /* arg1= es_out_id_t* */
1028 case ES_OUT_SET_ES_DEFAULT: /* arg1= es_out_id_t* */
1029 p_cmd->control.p_es = (es_out_id_t*)va_arg( args, es_out_id_t * );
1032 case ES_OUT_SET_ES_STATE:/* arg1= es_out_id_t* arg2=bool */
1033 p_cmd->control.p_es = (es_out_id_t*)va_arg( args, es_out_id_t * );
1034 p_cmd->control.b_bool = (bool)va_arg( args, int );
1037 case ES_OUT_GET_ES_STATE:/* arg1= es_out_id_t* arg2=bool* */
1038 p_cmd->control.p_es = (es_out_id_t*)va_arg( args, es_out_id_t * );
1039 p_cmd->control.pb_bool = (bool*)va_arg( args, bool * );
1042 case ES_OUT_SET_ES_FMT: /* arg1= es_out_id_t* arg2=es_format_t* */
1044 p_cmd->control.p_es = (es_out_id_t*)va_arg( args, es_out_id_t * );
1045 es_format_t *p_fmt = (es_format_t*)va_arg( args, es_format_t * );
1049 p_cmd->control.p_fmt = malloc( sizeof(*p_fmt) );
1050 if( !p_cmd->control.p_fmt )
1051 return VLC_EGENERIC;
1052 es_format_Copy( p_cmd->control.p_fmt, p_fmt );
1056 p_cmd->control.p_fmt = p_fmt;
1063 return VLC_EGENERIC;
1068 static int CmdExecuteControl( es_out_t *p_out, ts_cmd_t *p_cmd )
1070 const int i_query = p_cmd->control.i_query;
1074 /* Pass-through control */
1075 case ES_OUT_SET_ACTIVE: /* arg1= bool */
1076 return es_out_Control( p_out, i_query, p_cmd->control.b_bool );
1078 case ES_OUT_GET_ACTIVE: /* arg1= bool* */
1079 return es_out_Control( p_out, i_query, p_cmd->control.pb_bool );
1081 case ES_OUT_SET_MODE: /* arg1= int */
1082 case ES_OUT_SET_GROUP: /* arg1= int */
1083 case ES_OUT_DEL_GROUP: /* arg1=int i_group */
1084 return es_out_Control( p_out, i_query, p_cmd->control.i_int );
1086 case ES_OUT_GET_MODE: /* arg2= int* */
1087 case ES_OUT_GET_GROUP: /* arg1= int* */
1088 return es_out_Control( p_out, i_query, p_cmd->control.pi_int );
1090 case ES_OUT_SET_PCR: /* arg1=int64_t i_pcr(microsecond!) (using default group 0)*/
1091 case ES_OUT_SET_NEXT_DISPLAY_TIME: /* arg1=int64_t i_pts(microsecond) */
1092 return es_out_Control( p_out, i_query, p_cmd->control.i_i64 );
1094 case ES_OUT_SET_GROUP_PCR: /* arg1= int i_group, arg2=int64_t i_pcr(microsecond!)*/
1095 return es_out_Control( p_out, i_query, p_cmd->control.i_int, p_cmd->control.i_i64 );
1097 case ES_OUT_RESET_PCR: /* no arg */
1098 return es_out_Control( p_out, i_query );
1100 case ES_OUT_SET_GROUP_META: /* arg1=int i_group arg2=vlc_meta_t* */
1101 return es_out_Control( p_out, i_query, p_cmd->control.i_int, p_cmd->control.p_meta );
1103 case ES_OUT_SET_GROUP_EPG: /* arg1=int i_group arg2=vlc_epg_t* */
1104 return es_out_Control( p_out, i_query, p_cmd->control.i_int, p_cmd->control.p_epg );
1106 /* Modified control */
1107 case ES_OUT_SET_ES: /* arg1= es_out_id_t* */
1108 case ES_OUT_RESTART_ES: /* arg1= es_out_id_t* */
1109 case ES_OUT_SET_ES_DEFAULT: /* arg1= es_out_id_t* */
1110 return es_out_Control( p_out, i_query, p_cmd->control.p_es->p_es );
1112 case ES_OUT_SET_ES_STATE:/* arg1= es_out_id_t* arg2=bool */
1113 return es_out_Control( p_out, i_query, p_cmd->control.p_es->p_es, p_cmd->control.b_bool );
1115 case ES_OUT_GET_ES_STATE:/* arg1= es_out_id_t* arg2=bool* */
1116 return es_out_Control( p_out, i_query, p_cmd->control.p_es->p_es, p_cmd->control.pb_bool );
1118 case ES_OUT_SET_ES_FMT: /* arg1= es_out_id_t* arg2=es_format_t* */
1119 return es_out_Control( p_out, i_query, p_cmd->control.p_es->p_es, p_cmd->control.p_fmt );
1123 return VLC_EGENERIC;
1126 static void CmdCleanControl( ts_cmd_t *p_cmd )
1128 if( p_cmd->control.p_meta )
1129 vlc_meta_Delete( p_cmd->control.p_meta );
1130 if( p_cmd->control.p_epg )
1131 vlc_epg_Delete( p_cmd->control.p_epg );
1132 if( p_cmd->control.p_fmt )
1134 es_format_Clean( p_cmd->control.p_fmt );
1135 free( p_cmd->control.p_fmt );
1140 /*****************************************************************************
1142 *****************************************************************************/
1143 static char *GetTmpPath( char *psz_path )
1145 if( psz_path && *psz_path )
1147 /* Make sure that the path exists and is a directory */
1149 const int i_ret = utf8_stat( psz_path, &s );
1151 if( i_ret < 0 && !utf8_mkdir( psz_path, 0600 ) )
1153 else if( i_ret == 0 && ( s.st_mode & S_IFDIR ) )
1158 /* Create a suitable path */
1159 #if defined (WIN32) && !defined (UNDER_CE)
1160 const DWORD dwCount = GetTempPathW( 0, NULL );
1161 wchar_t *psw_path = calloc( dwCount + 1, sizeof(wchar_t) );
1164 if( GetTempPathW( dwCount + 1, psw_path ) <= 0 )
1168 psw_path = _wgetcwd( NULL, 0 );
1175 psz_path = FromWide( psw_path );
1176 while( psz_path && *psz_path && psz_path[strlen( psz_path ) - 1] == '\\' )
1177 psz_path[strlen( psz_path ) - 1] = '\0';
1182 if( !psz_path || *psz_path == '\0' )
1185 return strdup( "C:" );
1188 psz_path = strdup( "/tmp" );
1194 static FILE *GetTmpFile( const char *psz_path )
1201 if( asprintf( &psz_name, "%s/vlc-timeshift.XXXXXX", psz_path ) < 0 )
1205 fd = mkstemp( psz_name );
1212 f = fdopen( fd, "rw+" );