Merge pull request #233 from chme/mpdstop

Do not start playback after adding songs to the queue using mpd clients

forked-daapd.conf

@@ -217,6 +217,11 @@ mpd {
 	# and will need additional configuration in the MPD client to work).
 	# Set to 0 to disable serving artwork over http.
 #	http_port = 0
+
+	# By default forked-daapd will - like iTunes - clear the playqueue if playback stops. 
+	# Setting clear_queue_on_stop_disable to true will keep the playlist like MPD does.
+	# Note that some dacp clients do not show the playqueue if playback is stopped.
+#	clear_queue_on_stop_disable = false
 }
 
 # SQLite configuration (allows to modify the operation of the SQLite databases)

src/conffile.c

@@ -139,6 +139,7 @@ static cfg_opt_t sec_mpd[] =
   {
     CFG_INT("port", 6600, CFGF_NONE),
     CFG_INT("http_port", 0, CFGF_NONE),
+    CFG_BOOL("clear_queue_on_stop_disable", cfg_false, CFGF_NONE),
     CFG_END()
   };
 

src/httpd_dacp.c

@@ -1015,7 +1015,7 @@ dacp_reply_cue_play(struct evhttp_request *req, struct evbuffer *evbuf, char **u
 	  return;
 	}
 
-      player_queue_add(items);
+      player_queue_add(items, NULL);
     }
   else
     {
@@ -1068,6 +1068,9 @@ dacp_reply_cue_play(struct evhttp_request *req, struct evbuffer *evbuf, char **u
 	{
 	  /* Play from Up Next queue */
 	  pos += status.pos_pl;
+
+	  if (status.status == PLAY_STOPPED && pos > 0)
+	    pos--;
 	}
     }
 
@@ -1253,7 +1256,7 @@ dacp_reply_playspec(struct evhttp_request *req, struct evbuffer *evbuf, char **u
     player_playback_stop();
 
   player_queue_clear();
-  player_queue_add(items);
+  player_queue_add(items, NULL);
   player_queue_plid(plid);
 
   if (shuffle)
@@ -1564,9 +1567,6 @@ dacp_reply_playqueuecontents(struct evhttp_request *req, struct evbuffer *evbuf,
     {
       player_get_status(&status);
 
-      /* Get queue and make songlist only if playing or paused */
-      if (status.status != PLAY_STOPPED)
-	{
       queue = player_queue_get_bypos(abs(span));
       if (queue)
 	{
@@ -1587,7 +1587,6 @@ dacp_reply_playqueuecontents(struct evhttp_request *req, struct evbuffer *evbuf,
 	  queue_free(queue);
 	}
     }
-    }
 
   /* Playlists are hist, curr and main. */
   playlists = evbuffer_new();
@@ -1787,7 +1786,7 @@ dacp_reply_playqueueedit_add(struct evhttp_request *req, struct evbuffer *evbuf,
       }
       else
       {
-        player_queue_add(items);
+        player_queue_add(items, NULL);
       }
     }
   else

src/mpd.c

@@ -1604,13 +1604,7 @@ mpd_command_add(struct evbuffer *evbuf, int argc, char **argv, char **errmsg)
       return ACK_ERROR_UNKNOWN;
     }
 
-  player_queue_add(items);
+  player_queue_add(items, NULL);
-
-  ret = player_playback_start(NULL);
-  if (ret < 0)
-    {
-      DPRINTF(E_LOG, L_MPD, "Could not start playback\n");
-    }
 
   return 0;
 }
@@ -1625,6 +1619,7 @@ static int
 mpd_command_addid(struct evbuffer *evbuf, int argc, char **argv, char **errmsg)
 {
   struct queue_item *items;
+  uint32_t item_id;
   int ret;
 
   if (argc < 2)
@@ -1652,20 +1647,11 @@ mpd_command_addid(struct evbuffer *evbuf, int argc, char **argv, char **errmsg)
     }
 
 
-  player_queue_add(items);
+  player_queue_add(items, &item_id);
 
-  //TODO [queue] Get queue-item-id for mpd-command addid
   evbuffer_add_printf(evbuf,
-      "addid: %s\n"
       "Id: %d\n",
-      argv[1],
+      item_id);
-      0); //ps->id);
-
-  ret = player_playback_start(NULL);
-  if (ret < 0)
-    {
-      DPRINTF(E_LOG, L_MPD, "Could not start playback\n");
-    }
 
   return 0;
 }
@@ -2362,13 +2348,7 @@ mpd_command_load(struct evbuffer *evbuf, int argc, char **argv, char **errmsg)
       return ACK_ERROR_UNKNOWN;
     }
 
-  player_queue_add(items);
+  player_queue_add(items, NULL);
-
-  ret = player_playback_start(NULL);
-  if (ret < 0)
-    {
-      DPRINTF(E_LOG, L_MPD, "Could not start playback\n");
-    }
 
   return 0;
 }
@@ -2628,13 +2608,7 @@ mpd_command_findadd(struct evbuffer *evbuf, int argc, char **argv, char **errmsg
       return ACK_ERROR_UNKNOWN;
     }
 
-  player_queue_add(items);
+  player_queue_add(items, NULL);
-
-  ret = player_playback_start(NULL);
-  if (ret < 0)
-    {
-      DPRINTF(E_LOG, L_MPD, "Could not start playback\n");
-    }
 
   return 0;
 }
@@ -3263,13 +3237,7 @@ mpd_command_searchadd(struct evbuffer *evbuf, int argc, char **argv, char **errm
       return ACK_ERROR_UNKNOWN;
     }
 
-  player_queue_add(items);
+  player_queue_add(items, NULL);
-
-  ret = player_playback_start(NULL);
-  if (ret < 0)
-    {
-      DPRINTF(E_LOG, L_MPD, "Could not start playback\n");
-    }
 
   return 0;
 }

src/player.c

@@ -165,6 +165,8 @@ struct playerqueue_add_param
 {
   struct queue_item *items;
   int pos;
+
+  uint32_t *item_id_ptr;
 };
 
 struct playerqueue_move_param
@@ -242,6 +244,9 @@ static struct event *exitev;
 static struct event *cmdev;
 static pthread_t tid_player;
 
+/* Config values */
+static int clear_queue_on_stop_disabled;
+
 /* Player status */
 static enum play_status player_state;
 static enum repeat_mode repeat;
@@ -2165,10 +2170,11 @@ playback_abort(void)
 
   source_stop();
 
-  playerqueue_clear(NULL);
-
   evbuffer_drain(audio_buf, evbuffer_get_length(audio_buf));
 
+  if (!clear_queue_on_stop_disabled)
+    playerqueue_clear(NULL);
+
   status_update(PLAY_STOPPED);
 
   metadata_purge();
@@ -2196,6 +2202,7 @@ get_status(struct player_command *cmd)
 
   status->plid = cur_plid;
   status->plversion = cur_plversion;
+  status->playlistlength = queue_count(queue);
 
   switch (player_state)
     {
@@ -2273,7 +2280,6 @@ get_status(struct player_command *cmd)
 	    status->next_pos_pl = 0;
 	  }
 
-	status->playlistlength = queue_count(queue);
 	break;
     }
 
@@ -3376,8 +3382,10 @@ playerqueue_add(struct player_command *cmd)
 {
   struct queue_item *items;
   uint32_t cur_id;
+  uint32_t *item_id;
 
   items = cmd->arg.queue_add_param.items;
+  item_id = cmd->arg.queue_add_param.item_id_ptr;
 
   queue_add(queue, items);
 
@@ -3387,6 +3395,9 @@ playerqueue_add(struct player_command *cmd)
       queue_shuffle(queue, cur_id);
     }
 
+  if (item_id)
+    *item_id = queueitem_item_id(items);
+
   cur_plid = 0;
   cur_plversion++;
 
@@ -3422,6 +3433,7 @@ static int
 playerqueue_move_bypos(struct player_command *cmd)
 {
   struct player_source *ps_playing;
+  uint32_t item_id;
 
   DPRINTF(E_DBG, L_PLAYER, "Moving song from position %d to be the next song after %d\n",
       cmd->arg.queue_move_param.from_pos, cmd->arg.queue_move_param.to_pos);
@@ -3430,11 +3442,13 @@ playerqueue_move_bypos(struct player_command *cmd)
 
   if (!ps_playing)
     {
-      DPRINTF(E_LOG, L_PLAYER, "Can't move item, no playing item found\n");
+      DPRINTF(E_DBG, L_PLAYER, "No playing item found for move by pos\n");
-      return -1;
+      item_id = 0;
     }
+  else
+    item_id = ps_playing->item_id;
 
-  queue_move_bypos(queue, ps_playing->item_id, cmd->arg.queue_move_param.from_pos, cmd->arg.queue_move_param.to_pos, shuffle);
+  queue_move_bypos(queue, item_id, cmd->arg.queue_move_param.from_pos, cmd->arg.queue_move_param.to_pos, shuffle);
 
   cur_plversion++;
 
@@ -3478,6 +3492,7 @@ playerqueue_remove_bypos(struct player_command *cmd)
 {
   int pos;
   struct player_source *ps_playing;
+  uint32_t item_id;
 
   pos = cmd->arg.intval;
   if (pos < 1)
@@ -3490,12 +3505,14 @@ playerqueue_remove_bypos(struct player_command *cmd)
 
   if (!ps_playing)
     {
-      DPRINTF(E_LOG, L_PLAYER, "Can't remove item at pos %d, no playing item found\n", pos);
+      DPRINTF(E_DBG, L_PLAYER, "No playing item for remove by pos\n");
-      return -1;
+      item_id = 0;
     }
+  else
+    item_id = ps_playing->item_id;
 
   DPRINTF(E_DBG, L_PLAYER, "Removing item from position %d\n", pos);
-  queue_remove_bypos(queue, ps_playing->item_id, pos, shuffle);
+  queue_remove_bypos(queue, item_id, pos, shuffle);
 
   cur_plversion++;
 
@@ -4209,7 +4226,7 @@ player_queue_get_byindex(int index, int count)
  * Appends the given media items to the queue
  */
 int
-player_queue_add(struct queue_item *items)
+player_queue_add(struct queue_item *items, uint32_t *item_id)
 {
   struct player_command cmd;
   int ret;
@@ -4219,6 +4236,7 @@ player_queue_add(struct queue_item *items)
   cmd.func = playerqueue_add;
   cmd.func_bh = NULL;
   cmd.arg.queue_add_param.items = items;
+  cmd.arg.queue_add_param.item_id_ptr = item_id;
 
   ret = sync_command(&cmd);
 
@@ -4576,6 +4594,8 @@ player_init(void)
 
   player_exit = 0;
 
+  clear_queue_on_stop_disabled = cfg_getbool(cfg_getsec(cfg, "mpd"), "clear_queue_on_stop_disable");
+
   dev_autoselect = 1;
   dev_list = NULL;
 

src/player.h

@@ -161,7 +161,7 @@ struct queue *
 player_queue_get_byindex(int pos, int count);
 
 int
-player_queue_add(struct queue_item *items);
+player_queue_add(struct queue_item *items, uint32_t *item_id);
 
 int
 player_queue_add_next(struct queue_item *items);

src/queue.c

@@ -336,7 +336,7 @@ queueitem_get_bypos(struct queue *queue, unsigned int item_id, unsigned int pos,
     return NULL;
 
   i = 0;
-  for (item = item_base; item != queue->head && i < pos; item = item_next(item, shuffle))
+  for (item = item_base; i < pos; item = item_next(item, shuffle))
     {
       i++;
     }