player: don't call STOP before CLOSE_AUDIO

playerWait() stops the player thread (twice!) and closes the output
device.  It should be well enough to just send CLOSE_AUDIO, without
STOP.

This requires a tiny change to the player thread code: make it break
when CLOSE_AUDIO is sent.

src/player.c

@@ -25,14 +25,6 @@
 #include "os_compat.h"
 #include "main_notify.h"
 
-static void playerCloseAudio(void);
-
-void playerWait(void)
-{
-	playerStop();
-	playerCloseAudio();
-}
-
 static void set_current_song(Song *song)
 {
 	assert(song != NULL);
@@ -76,6 +68,14 @@ void playerStop(void)
 	playerQueueUnlock();
 }
 
+void playerWait(void)
+{
+	player_command(PLAYER_COMMAND_CLOSE_AUDIO);
+
+	pc.queueState = PLAYER_QUEUE_BLANK;
+	playerQueueUnlock();
+}
+
 void playerKill(void) /* deprecated */
 {
 	playerPause();
@@ -165,12 +165,6 @@ char *getPlayerErrorStr(void)
 	return *error ? error : NULL;
 }
 
-static void playerCloseAudio(void)
-{
-	playerStop();
-	player_command(PLAYER_COMMAND_CLOSE_AUDIO);
-}
-
 int queueSong(Song * song)
 {
 	if (pc.queueState == PLAYER_QUEUE_BLANK) {

src/player_thread.c

@@ -224,7 +224,8 @@ static void decodeParent(void)
 	while (1) {
 		processDecodeInput(&do_pause, &bbp, &do_xfade,
 				   &decodeWaitedOn, &next);
-		if (pc.command == PLAYER_COMMAND_STOP) {
+		if (pc.command == PLAYER_COMMAND_STOP ||
+		    pc.command == PLAYER_COMMAND_CLOSE_AUDIO) {
 			dropBufferedAudio();
 			break;
 		}