2 * This file is part of DisOrder.
3 * Copyright (C) 2004-2009 Richard Kettlewell
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 /** @file server/play.c
19 * @brief Playing tracks
21 * This file is rather badly organized. Sorry. It's better than it was...
24 #include "disorder-server.h"
27 #define SPEAKER "disorder-speaker"
29 /** @brief The current playing track or NULL */
30 struct queue_entry
*playing
;
32 /** @brief Set when paused */
35 static void finished(ev_source
*ev
);
36 static int start_child(struct queue_entry
*q
,
37 const struct pbgc_params
*params
,
38 void attribute((unused
)) *bgdata
);
39 static int prepare_child(struct queue_entry
*q
,
40 const struct pbgc_params
*params
,
41 void attribute((unused
)) *bgdata
);
42 static void ensure_next_scratch(ev_source
*ev
);
44 /** @brief File descriptor of our end of the socket to the speaker */
45 static int speaker_fd
= -1;
47 /** @brief Set when shutting down */
48 static int shutting_down
;
50 /* Speaker ------------------------------------------------------------------ */
52 /** @brief Called when speaker process terminates
54 * Currently kills of DisOrder completely. A future version could terminate
55 * the speaker when nothing was going on, or recover from failures, though any
56 * tracks with decoders already started would need to have them restarted.
58 static int speaker_terminated(ev_source
attribute((unused
)) *ev
,
59 pid_t
attribute((unused
)) pid
,
60 int attribute((unused
)) status
,
61 const struct rusage
attribute((unused
)) *rusage
,
62 void attribute((unused
)) *u
) {
63 disorder_fatal(0, "speaker subprocess %s", wstat(status
));
66 /** @brief Called when we get a message from the speaker process */
67 static int speaker_readable(ev_source
*ev
, int fd
,
68 void attribute((unused
)) *u
) {
69 struct speaker_message sm
;
70 int ret
= speaker_recv(fd
, &sm
);
72 if(ret
< 0) return 0; /* EAGAIN */
74 ev_fd_cancel(ev
, ev_read
, fd
);
79 /* track ID is paused, DATA seconds played */
80 D(("SM_PAUSED %s %ld", sm
.id
, sm
.data
));
81 playing
->sofar
= sm
.data
;
83 case SM_FINISHED
: /* scratched the playing track */
84 case SM_STILLBORN
: /* scratched too early */
85 case SM_UNKNOWN
: /* scratched WAY too early */
86 if(playing
&& !strcmp(sm
.id
, playing
->id
)) {
87 if((playing
->state
== playing_unplayed
88 || playing
->state
== playing_started
)
89 && sm
.type
== SM_FINISHED
)
90 playing
->state
= playing_ok
;
95 /* track ID is playing, DATA seconds played */
96 D(("SM_PLAYING %s %ld", sm
.id
, sm
.data
));
97 playing
->sofar
= sm
.data
;
100 disorder_error(0, "unknown speaker message type %d", sm
.type
);
105 /** @brief Initialize the speaker process */
106 void speaker_setup(ev_source
*ev
) {
109 struct speaker_message sm
;
111 if(socketpair(PF_UNIX
, SOCK_DGRAM
, 0, sp
) < 0)
112 disorder_fatal(errno
, "error calling socketpair");
113 if(!(pid
= xfork())) {
115 ev_signal_atfork(ev
);
120 signal(SIGPIPE
, SIG_DFL
);
122 execlp("valgrind", "valgrind", SPEAKER
, "--config", configfile
,
123 debugging ?
"--debug" : "--no-debug",
124 log_default
== &log_syslog ?
"--syslog" : "--no-syslog",
127 execlp(SPEAKER
, SPEAKER
, "--config", configfile
,
128 debugging ?
"--debug" : "--no-debug",
129 log_default
== &log_syslog ?
"--syslog" : "--no-syslog",
132 disorder_fatal(errno
, "error invoking %s", SPEAKER
);
134 ev_child(ev
, pid
, 0, speaker_terminated
, 0);
138 /* Wait for the speaker to be ready */
139 speaker_recv(speaker_fd
, &sm
);
140 nonblock(speaker_fd
);
141 if(ev_fd(ev
, ev_read
, speaker_fd
, speaker_readable
, 0, "speaker read") < 0)
142 disorder_fatal(0, "error registering speaker socket fd");
145 /** @brief Tell the speaker to reload its configuration */
146 void speaker_reload(void) {
147 struct speaker_message sm
;
149 memset(&sm
, 0, sizeof sm
);
151 speaker_send(speaker_fd
, &sm
);
154 /* Track termination -------------------------------------------------------- */
156 /** @brief Called when the currently playing track finishes playing
157 * @param ev Event loop or NULL
159 * There are three places this is called from:
161 * 1) speaker_readable(), when the speaker tells us the playing track finished.
162 * (Technically the speaker lies a little to arrange for gapless play.)
164 * 2) player_finished(), when the player for a non-raw track (i.e. one that
165 * does not use the speaker) finishes.
167 * 3) quitting(), after signalling the decoder or player but possible before it
168 * has actually terminated. In this case @p ev is NULL, inhibiting any further
169 * attempt to play anything.
171 static void finished(ev_source
*ev
) {
172 D(("finished playing=%p", (void *)playing
));
175 if(playing
->state
!= playing_scratched
)
176 notify_not_scratched(playing
->track
, playing
->submitter
);
177 switch(playing
->state
) {
179 eventlog("completed", playing
->track
, (char *)0);
181 case playing_scratched
:
182 eventlog("scratched", playing
->track
, playing
->scratched
, (char *)0);
185 eventlog("failed", playing
->track
, wstat(playing
->wstat
), (char *)0);
190 queue_played(playing
);
193 /* Try to play something else */
198 /** @brief Called when a player or decoder process terminates
200 * This is called when a decoder process terminates (which might actually be
201 * some time before the speaker reports it as finished) or when a non-raw
202 * (i.e. non-speaker) player terminates. In the latter case it's imaginable
203 * that the OS has buffered the last few samples.
205 * NB. The finished track might NOT be in the queue (yet) - it might be a
206 * pre-chosen scratch.
208 static int player_finished(ev_source
*ev
,
211 const struct rusage
attribute((unused
)) *rusage
,
213 struct queue_entry
*q
= u
;
215 D(("player_finished pid=%lu status=%#x",
216 (unsigned long)pid
, (unsigned)status
));
217 /* Record that this PID is dead. If we killed the track we might know this
218 * already, but also it might have exited or crashed. Either way we don't
219 * want to end up signalling it. */
222 case playing_unplayed
:
224 /* If this was a pre-prepared track then either it failed or we
225 * deliberately stopped it: it might have been removed from the queue, or
226 * moved down the queue, or the speaker might be on a break. So we leave
227 * it state alone for future use.
231 /* We actually started playing this track. */
233 /* Don't override 'scratched' with 'failed'. */
234 if(q
->state
!= playing_scratched
)
235 q
->state
= playing_failed
;
237 q
->state
= playing_ok
;
240 /* Regardless we always report and record the status and do cleanup for
243 disorder_error(0, "player for %s %s", q
->track
, wstat(status
));
244 if(q
->type
& DISORDER_PLAYER_PREFORK
)
245 play_cleanup(q
->pl
, q
->data
);
247 /* If this actually was the current track, and does not use the speaker
248 * process, then it must have finished. For raw-output players we will get a
249 * separate notification from the speaker process. */
251 && (q
->type
& DISORDER_PLAYER_TYPEMASK
) != DISORDER_PLAYER_RAW
)
256 /* Track initiation --------------------------------------------------------- */
258 /** @brief Find the player for @p q */
259 static const struct stringlist
*find_player(const struct queue_entry
*q
) {
262 for(n
= 0; n
< config
->player
.n
; ++n
)
263 if(fnmatch(config
->player
.s
[n
].s
[0], q
->track
, 0) == 0)
265 if(n
>= config
->player
.n
)
268 return &config
->player
.s
[n
];
271 /** @brief Start to play @p q
272 * @param ev Event loop
273 * @param q Track to play/prepare
274 * @return @ref START_OK, @ref START_HARDFAIL or @ref START_SOFTFAIL
276 * This makes @p actually start playing. It calls prepare() if necessary and
277 * either sends an @ref SM_PLAY command or invokes the player itself in a
280 * It's up to the caller to set @ref playing and @c playing->state (this might
281 * be changed in the future).
283 static int start(ev_source
*ev
,
284 struct queue_entry
*q
) {
285 const struct stringlist
*player
;
288 D(("start %s", q
->id
));
289 /* Find the player plugin. */
290 if(!(player
= find_player(q
)) < 0)
291 return START_HARDFAIL
; /* No player */
292 if(!(q
->pl
= open_plugin(player
->s
[1], 0)))
293 return START_HARDFAIL
;
294 q
->type
= play_get_type(q
->pl
);
295 /* Special handling for raw-format players */
296 if((q
->type
& DISORDER_PLAYER_TYPEMASK
) == DISORDER_PLAYER_RAW
) {
297 /* Make sure that the track is prepared */
298 if((rc
= prepare(ev
, q
)))
300 /* Now we're sure it's prepared, start it playing */
301 /* TODO actually it might not be fully prepared yet - it's all happening in
302 * a subprocess. See speaker.c for further discussion. */
303 struct speaker_message sm
[1];
304 memset(sm
, 0, sizeof sm
);
305 strcpy(sm
->id
, q
->id
);
307 speaker_send(speaker_fd
, sm
);
308 D(("sent SM_PLAY for %s", sm
->id
));
309 /* Our caller will set playing and playing->state = playing_started */
312 rc
= play_background(ev
, player
, q
, start_child
, NULL
);
314 ev_child(ev
, q
->pid
, 0, player_finished
, q
);
315 /* Our caller will set playing and playing->state = playing_started */
320 /** @brief Child-process half of start()
321 * @return Process exit code
323 * Called in subprocess to execute non-raw-format players (via plugin).
325 static int start_child(struct queue_entry
*q
,
326 const struct pbgc_params
*params
,
327 void attribute((unused
)) *bgdata
) {
330 /* Wait for a device to clear. This ugliness is now deprecated and will
331 * eventually be removed. */
332 if(params
->waitdevice
) {
334 if(*params
->waitdevice
) {
335 n
= ao_driver_id(params
->waitdevice
);
337 disorder_fatal(0, "invalid libao driver: %s", params
->waitdevice
);
339 n
= ao_default_driver_id();
340 /* Make up a format. */
341 ao_sample_format format
;
342 memset(&format
, 0, sizeof format
);
346 format
.byte_format
= AO_FMT_NATIVE
;
350 ts
.tv_nsec
= 100000000; /* 0.1s */
352 while((device
= ao_open_live(n
, &format
, 0)) == 0 && retries
-- > 0)
359 params
->argv
, params
->argc
,
365 /** @brief Prepare a track for later play
366 * @return @ref START_OK, @ref START_HARDFAIL or @ref START_SOFTFAIL
368 * This can be called either when we want to play the track or slightly before
369 * so that some samples are decoded and available in a buffer.
371 * Only applies to raw-format (i.e. speaker-using) players; everything else
374 int prepare(ev_source
*ev
,
375 struct queue_entry
*q
) {
376 const struct stringlist
*player
;
378 /* If there's a decoder (or player!) going we do nothing */
381 /* If the track is already prepared, do nothing */
384 /* Find the player plugin */
385 if(!(player
= find_player(q
)) < 0)
386 return START_HARDFAIL
; /* No player */
387 q
->pl
= open_plugin(player
->s
[1], 0);
388 q
->type
= play_get_type(q
->pl
);
389 if((q
->type
& DISORDER_PLAYER_TYPEMASK
) != DISORDER_PLAYER_RAW
)
390 return START_OK
; /* Not a raw player */
391 const int rc
= play_background(ev
, player
, q
, prepare_child
, NULL
);
393 ev_child(ev
, q
->pid
, 0, player_finished
, q
);
399 /** @brief Child-process half of prepare()
400 * @return Process exit code
402 * Called in subprocess to execute the decoder for a raw-format player.
404 * @todo We currently run the normalizer from here in a double-fork. This is
405 * unsatisfactory for many reasons: we can't prevent it outliving the main
406 * server and we don't adequately report its exit status.
408 static int prepare_child(struct queue_entry
*q
,
409 const struct pbgc_params
*params
,
410 void attribute((unused
)) *bgdata
) {
411 /* np will be the pipe to disorder-normalize */
413 if(socketpair(PF_UNIX
, SOCK_STREAM
, 0, np
) < 0)
414 disorder_fatal(errno
, "error calling socketpair");
415 /* Beware of the Leopard! On OS X 10.5.x, the order of the shutdown
416 * calls here DOES MATTER. If you do the SHUT_WR first then the SHUT_RD
417 * fails with "Socket is not connected". I think this is a bug but
418 * provided implementors either don't care about the order or all agree
419 * about the order, choosing the reliable order is an adequate
421 xshutdown(np
[1], SHUT_RD
); /* decoder writes to np[1] */
422 xshutdown(np
[0], SHUT_WR
); /* normalize reads from np[0] */
425 /* Start disorder-normalize. We double-fork so that nothing has to wait
426 * for disorder-normalize. */
428 if(!(npid
= xfork())) {
429 /* Grandchild of disorderd */
431 /* Great-grandchild of disorderd */
432 /* Connect to the speaker process */
433 struct sockaddr_un addr
;
434 memset(&addr
, 0, sizeof addr
);
435 addr
.sun_family
= AF_UNIX
;
436 snprintf(addr
.sun_path
, sizeof addr
.sun_path
,
437 "%s/speaker/socket", config
->home
);
438 int sfd
= xsocket(PF_UNIX
, SOCK_STREAM
, 0);
439 if(connect(sfd
, (const struct sockaddr
*)&addr
, sizeof addr
) < 0)
440 disorder_fatal(errno
, "connecting to %s", addr
.sun_path
);
441 /* Send the ID, with a NATIVE-ENDIAN 32 bit length */
442 uint32_t l
= strlen(q
->id
);
443 if(write(sfd
, &l
, sizeof l
) < 0
444 || write(sfd
, q
->id
, l
) < 0)
445 disorder_fatal(errno
, "writing to %s", addr
.sun_path
);
447 if (read(sfd
, &l
, 1) < 0)
448 disorder_fatal(errno
, "reading ack from %s", addr
.sun_path
);
455 /* TODO stderr shouldn't be redirected for disorder-normalize
456 * (but it should be for play_track() */
457 execlp("disorder-normalize", "disorder-normalize",
458 log_default
== &log_syslog ?
"--syslog" : "--no-syslog",
459 "--config", configfile
,
461 disorder_fatal(errno
, "executing disorder-normalize");
462 /* End of the great-grandchild of disorderd */
464 /* Back in the grandchild of disorderd */
466 /* End of the grandchild of disorderd */
468 /* Back in the child of disorderd */
469 /* Wait for the grandchild of disordered to finish */
471 while(waitpid(npid
, &n
, 0) < 0 && errno
== EINTR
)
473 /* Pass the file descriptor to the driver in an environment
476 snprintf(buffer
, sizeof buffer
, "DISORDER_RAW_FD=%d", np
[1]);
477 if(putenv(buffer
) < 0)
478 disorder_fatal(errno
, "error calling putenv");
479 /* Close all the FDs we don't need */
481 /* Start the decoder itself */
483 params
->argv
, params
->argc
,
489 /** @brief Abandon a queue entry
491 * Called from c_remove() (but NOT when scratching a track). Only does
492 * anything to raw-format tracks. Terminates the background decoder and tells
493 * the speaker process to cancel the track.
495 void abandon(ev_source
attribute((unused
)) *ev
,
496 struct queue_entry
*q
) {
497 struct speaker_message sm
;
500 return; /* Not prepared. */
501 if((q
->type
& DISORDER_PLAYER_TYPEMASK
) != DISORDER_PLAYER_RAW
)
502 return; /* Not a raw player. */
503 /* Terminate the player. */
504 kill(-q
->pid
, config
->signal
);
505 /* Cancel the track. */
506 memset(&sm
, 0, sizeof sm
);
508 strcpy(sm
.id
, q
->id
);
509 speaker_send(speaker_fd
, &sm
);
512 /* Random tracks ------------------------------------------------------------ */
514 /** @brief Called with a new random track
515 * @param ev Event loop
516 * @param track Track name
518 static void chosen_random_track(ev_source
*ev
,
520 struct queue_entry
*q
;
524 /* Add the track to the queue */
525 q
= queue_add(track
, 0, WHERE_END
, NULL
, origin_random
);
526 D(("picked %p (%s) at random", (void *)q
, q
->track
));
528 /* Maybe a track can now be played */
532 /** @brief Maybe add a randomly chosen track
533 * @param ev Event loop
535 * Picking can take some time so the track will only be added after this
536 * function has returned.
538 void add_random_track(ev_source
*ev
) {
539 struct queue_entry
*q
;
542 /* If random play is not enabled then do nothing. */
543 if(shutting_down
|| !random_is_enabled())
545 /* Count how big the queue is */
546 for(q
= qhead
.next
; q
!= &qhead
; q
= q
->next
)
548 /* If it's smaller than the desired size then add a track */
549 if(qlen
< config
->queue_pad
)
550 trackdb_request_random(ev
, chosen_random_track
);
553 /* Track initiation (part 2) ------------------------------------------------ */
555 /** @brief Attempt to play something
557 * This is called from numerous locations - whenever it might conceivably have
558 * become possible to play something.
560 void play(ev_source
*ev
) {
561 struct queue_entry
*q
;
562 int random_enabled
= random_is_enabled();
564 D(("play playing=%p", (void *)playing
));
565 /* If we're shutting down, or there's something playing, or playing is not
566 * enabled, give up now */
567 if(shutting_down
|| playing
|| !playing_is_enabled()) return;
568 /* See if there's anything to play */
569 if(qhead
.next
== &qhead
) {
570 /* Queue is empty. We could just wait around since there are periodic
571 * attempts to add a random track anyway. However they are rarer than
572 * attempts to force a track so we initiate one now. */
573 add_random_track(ev
);
574 /* chosen_random_track() will call play() when a new random track has been
575 * added to the queue. */
578 /* There must be at least one track in the queue. */
580 /* If random play is disabled but the track is a non-adopted random one
581 * then don't play it. play() will be called again when random play is
583 if(!random_enabled
&& q
->origin
== origin_random
)
585 D(("taken %p (%s) from queue", (void *)q
, q
->track
));
586 /* Try to start playing. */
587 switch(start(ev
, q
)) {
589 if(q
== qhead
.next
) {
590 queue_remove(q
, 0); /* Abandon this track. */
594 /* Oh well, try the next one */
598 /* We'll try the same track again shortly. */
601 /* Remove from the queue */
602 if(q
== qhead
.next
) {
606 /* It's become the playing track */
608 xtime(&playing
->played
);
609 playing
->state
= playing_started
;
610 notify_play(playing
->track
, playing
->submitter
);
611 eventlog("playing", playing
->track
,
612 playing
->submitter ? playing
->submitter
: (const char *)0,
614 /* Maybe add a random track. */
615 add_random_track(ev
);
616 /* If there is another track in the queue prepare it now. This could
617 * potentially be a just-added random track. */
618 if(qhead
.next
!= &qhead
)
619 prepare(ev
, qhead
.next
);
620 /* Make sure there is a prepared scratch */
621 ensure_next_scratch(ev
);
626 /* Miscelleneous ------------------------------------------------------------ */
628 /** @brief Return true if play is enabled */
629 int playing_is_enabled(void) {
630 const char *s
= trackdb_get_global("playing");
632 return !s
|| !strcmp(s
, "yes");
635 /** @brief Enable play */
636 void enable_playing(const char *who
, ev_source
*ev
) {
637 trackdb_set_global("playing", "yes", who
);
638 /* Add a random track if necessary. */
639 add_random_track(ev
);
643 /** @brief Disable play */
644 void disable_playing(const char *who
) {
645 trackdb_set_global("playing", "no", who
);
648 /** @brief Return true if random play is enabled */
649 int random_is_enabled(void) {
650 const char *s
= trackdb_get_global("random-play");
652 return !s
|| !strcmp(s
, "yes");
655 /** @brief Enable random play */
656 void enable_random(const char *who
, ev_source
*ev
) {
657 trackdb_set_global("random-play", "yes", who
);
658 add_random_track(ev
);
662 /** @brief Disable random play */
663 void disable_random(const char *who
) {
664 trackdb_set_global("random-play", "no", who
);
667 /* Scratching --------------------------------------------------------------- */
669 /** @brief Track to play next time something is scratched */
670 static struct queue_entry
*next_scratch
;
672 /** @brief Ensure there isa prepared scratch */
673 static void ensure_next_scratch(ev_source
*ev
) {
674 if(next_scratch
) /* There's one already */
676 if(!config
->scratch
.n
) /* There are no scratches */
678 int r
= rand() * (double)config
->scratch
.n
/ (RAND_MAX
+ 1.0);
679 next_scratch
= queue_add(config
->scratch
.s
[r
], NULL
,
680 WHERE_NOWHERE
, NULL
, origin_scratch
);
682 prepare(ev
, next_scratch
);
685 /** @brief Scratch a track
686 * @param who User responsible (or NULL)
687 * @param id Track ID (or NULL for current)
689 void scratch(const char *who
, const char *id
) {
690 struct speaker_message sm
;
692 D(("scratch playing=%p state=%d id=%s playing->id=%s",
694 playing ? playing
->state
: 0,
696 playing ? playing
->id
: "(none)"));
697 /* There must be a playing track; it must be in a scratchable state; if a
698 * specific ID was mentioned it must be that track. */
700 && (playing
->state
== playing_started
701 || playing
->state
== playing_paused
)
703 || !strcmp(id
, playing
->id
))) {
704 /* Update state (for the benefit of the 'recent' list) */
705 playing
->state
= playing_scratched
;
706 playing
->scratched
= who ?
xstrdup(who
) : 0;
707 /* Find the player and kill the whole process group */
708 if(playing
->pid
>= 0) {
709 D(("kill -%d -%lu", config
->signal
, (unsigned long)playing
->pid
));
710 kill(-playing
->pid
, config
->signal
);
712 /* Tell the speaker, if we think it'll care */
713 if((playing
->type
& DISORDER_PLAYER_TYPEMASK
) == DISORDER_PLAYER_RAW
) {
714 memset(&sm
, 0, sizeof sm
);
716 strcpy(sm
.id
, playing
->id
);
717 speaker_send(speaker_fd
, &sm
);
718 D(("sending SM_CANCEL for %s", playing
->id
));
720 /* Try to make sure there is a scratch */
721 ensure_next_scratch(NULL
);
722 /* Insert it at the head of the queue */
724 next_scratch
->submitter
= who
;
725 queue_insert_entry(&qhead
, next_scratch
);
726 eventlog_raw("queue", queue_marshall(next_scratch
), (const char *)0);
729 notify_scratch(playing
->track
, playing
->submitter
, who
,
730 xtime(0) - playing
->played
);
734 /* Server termination ------------------------------------------------------- */
736 /** @brief Called from quit() to tear down everything belonging to this file */
737 void quitting(ev_source
*ev
) {
738 struct queue_entry
*q
;
740 /* Don't start anything new */
742 /* Shut down the current player */
744 if(playing
->pid
>= 0)
745 kill(-playing
->pid
, config
->signal
);
746 playing
->state
= playing_quitting
;
749 /* Zap any background decoders that are going */
750 for(q
= qhead
.next
; q
!= &qhead
; q
= q
->next
)
752 D(("kill -%d %lu", config
->signal
, (unsigned long)q
->pid
));
753 kill(-q
->pid
, config
->signal
);
755 /* Don't need the speaker any more */
756 ev_fd_cancel(ev
, ev_read
, speaker_fd
);
760 /* Pause and resume --------------------------------------------------------- */
762 /** @brief Pause the playing track */
763 int pause_playing(const char *who
) {
764 struct speaker_message sm
;
767 /* Can't pause if already paused or if nothing playing. */
768 if(!playing
|| paused
) return 0;
769 switch(playing
->type
& DISORDER_PLAYER_TYPEMASK
) {
770 case DISORDER_PLAYER_STANDALONE
:
771 if(!(playing
->type
& DISORDER_PLAYER_PAUSES
)) {
773 disorder_error(0, "cannot pause because player is not powerful enough");
776 if(play_pause(playing
->pl
, &played
, playing
->data
)) {
777 disorder_error(0, "player indicates it cannot pause");
780 xtime(&playing
->lastpaused
);
781 playing
->uptopause
= played
;
782 playing
->lastresumed
= 0;
784 case DISORDER_PLAYER_RAW
:
785 memset(&sm
, 0, sizeof sm
);
787 speaker_send(speaker_fd
, &sm
);
791 disorder_info("paused by %s", who
);
792 notify_pause(playing
->track
, who
);
794 if(playing
->state
== playing_started
)
795 playing
->state
= playing_paused
;
796 eventlog("state", "pause", (char *)0);
800 /** @brief Resume playing after a pause */
801 void resume_playing(const char *who
) {
802 struct speaker_message sm
;
807 switch(playing
->type
& DISORDER_PLAYER_TYPEMASK
) {
808 case DISORDER_PLAYER_STANDALONE
:
809 if(!(playing
->type
& DISORDER_PLAYER_PAUSES
)) {
811 /* Shouldn't happen */
814 play_resume(playing
->pl
, playing
->data
);
815 xtime(&playing
->lastresumed
);
817 case DISORDER_PLAYER_RAW
:
818 memset(&sm
, 0, sizeof sm
);
820 speaker_send(speaker_fd
, &sm
);
823 if(who
) disorder_info("resumed by %s", who
);
824 notify_resume(playing
->track
, who
);
825 if(playing
->state
== playing_paused
)
826 playing
->state
= playing_started
;
827 eventlog("state", "resume", (char *)0);