playlist_state: add option "restore_paused"

When set, MPD will not auto-start playback on startup; it will be in
"paused" state.

NEWS

@@ -10,6 +10,7 @@ ver 0.17 (2011/??/??)
   - osx: allow user to specify other audio devices
   - raop: new output plugin
   - shout: add possibility to set url
+* state_file: add option "restore_paused"
 
 
 ver 0.16.1 (2011/01/09)

doc/mpd.conf.5

@@ -69,6 +69,9 @@ mpd will be saved to this file when mpd is terminated by a TERM signal or by
 the "kill" command.  When mpd is restarted, it will read the state file and
 restore the state of mpd (including the playlist).
 .TP
+.B restore_paused <yes or no>
+Put MPD into pause mode instead of starting playback after startup.
+.TP
 .B user <username>
 This specifies the user that MPD will run as, if set.  MPD should
 never run as root, and you may use this option to make MPD change its

doc/mpdconf.example

@@ -103,6 +103,11 @@
 #
 #gapless_mp3_playback			"yes"
 #
+# Setting "restore_paused" to "yes" puts MPD into pause mode instead
+# of starting playback after startup.
+#
+#restore_paused "no"
+#
 # This setting enables MPD to create playlists in a format usable by other
 # music players.
 #

src/conf.c

@@ -59,6 +59,7 @@ static struct config_entry config_entries[] = {
 	{ .name = CONF_LOG_FILE, false, false },
 	{ .name = CONF_PID_FILE, false, false },
 	{ .name = CONF_STATE_FILE, false, false },
+	{ .name = "restore_paused", false, false },
 	{ .name = CONF_USER, false, false },
 	{ .name = CONF_GROUP, false, false },
 	{ .name = CONF_BIND_TO_ADDRESS, true, false },

src/playlist_state.c

@@ -29,6 +29,7 @@
 #include "queue_save.h"
 #include "path.h"
 #include "text_file.h"
+#include "conf.h"
 
 #include <string.h>
 #include <stdlib.h>
@@ -196,6 +197,13 @@ playlist_state_restore(const char *line, FILE *fp, GString *buffer,
 		if (!queue_valid_position(&playlist->queue, current))
 			current = 0;
 
+		if (state == PLAYER_STATE_PLAY &&
+		    config_get_bool("restore_paused", false))
+			/* the user doesn't want MPD to auto-start
+			   playback after startup; fall back to
+			   "pause" */
+			state = PLAYER_STATE_PAUSE;
+
 		/* enable all devices for the first time; this must be
 		   called here, after the audio output states were
 		   restored, before playback begins */