X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/disorder/blobdiff_plain/3867fa20c6fd4e319b1ab77ebfa3ed8c68cbcfa7..4265e5d362914f3732b4035dcf67162e525e0142:/lib/queue.h

diff --git a/lib/queue.h b/lib/queue.h
index f62ccac..72e3876 100644
--- a/lib/queue.h
+++ b/lib/queue.h
@@ -31,15 +31,16 @@ enum playing_state {
   /** @brief Track failed to play */
   playing_failed,
 
-  /** @brief Track is a scratch and has not been played yet
+  /** @brief OBSOLETE
    *
-   * Going to become obsolete.
+   * Formerly denoted an unplayed scratch.  This is now indicated by @p
+   * playing_unplayed and @p origin_scratch.
    */
   playing_isscratch,
 
-  /** @brief Could not find a player
+  /** @brief OBSOLETE
    *
-   * Obsolete - nothing sets this any more
+   * Formerly meant that no player could be found.  Nothing sets this any more.
    */
   playing_no_player,
 
@@ -93,8 +94,7 @@ extern const char *const playing_states[];
 enum track_origin {
   /** @brief Track was picked at random and then adopted by a user
    *
-   * @c submitter identifies who adopted it.  This isn't implemented
-   * yet.
+   * @c submitter identifies who adopted it.
    */
   origin_adopted,
 
@@ -188,7 +188,14 @@ struct queue_entry {
   /** @brief How much of track has been played so far (seconds) */
   long sofar;
 
-  /** @brief True if decoder is connected to speaker */
+  /** @brief True if decoder is connected to speaker 
+   *
+   * This is not a @ref playing_state for a couple of reasons
+   * - it is orthogonal to @ref playing_started and @ref playing_unplayed
+   * - it would have to be hidden to other users of @c queue_entry
+   *
+   * For non-raw tracks this should always be zero.
+   */
   int prepared;
   /* For DISORDER_PLAYER_PAUSES only: */
 
@@ -203,6 +210,9 @@ struct queue_entry {
 
   /** @brief Owning queue (for Disobedience only) */
   struct queuelike *ql;
+  
+  /** @brief Decoder (or player) process ID */
+  pid_t pid;
 };
 
 void queue_insert_entry(struct queue_entry *b, struct queue_entry *n);