]> git.sesse.net Git - vlc/blobdiff - src/playlist/thread.c
playlist: b_cant_sleep is private.
[vlc] / src / playlist / thread.c
index 9e36aca173f9971b0785781c62f1dfacfdf5aee4..5ac497f5085503f9add7d70914b301bfe2f66f56 100644 (file)
@@ -1,7 +1,7 @@
 /*****************************************************************************
- * playlist.c : Playlist management functions
+ * thread.c : Playlist management functions
  *****************************************************************************
- * Copyright (C) 1999-2004 the VideoLAN team
+ * Copyright © 1999-2008 the VideoLAN team
  * $Id$
  *
  * Authors: Samuel Hocevar <sam@zoy.org>
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
-#include <vlc/vlc.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
+#include <vlc_es.h>
 #include <vlc_input.h>
-#include "vlc_playlist.h"
-#include "vlc_interaction.h"
+#include <vlc_interface.h>
+#include <vlc_playlist.h>
+#include "playlist_internal.h"
 
 /*****************************************************************************
  * Local prototypes
  *****************************************************************************/
-static void RunControlThread ( playlist_t * );
-static void RunPreparse( playlist_preparse_t * );
-
-static playlist_t * CreatePlaylist( vlc_object_t *p_parent );
-static void HandlePlaylist( playlist_t * );
-static void EndPlaylist( playlist_t * );
-static void DestroyPlaylist( playlist_t * );
-
-static void HandleStats( playlist_t *, int );
-
-static void HandleInteraction( playlist_t * );
-static void DestroyInteraction( playlist_t * );
+static void* RunControlThread   ( vlc_object_t * );
 
 /*****************************************************************************
  * Main functions for the global thread
@@ -49,193 +44,99 @@ static void DestroyInteraction( playlist_t * );
 /**
  * Create the main playlist thread
  * Additionally to the playlist, this thread controls :
- *    - Interaction
  *    - Statistics
  *    - VLM
  * \param p_parent
  * \return an object with a started thread
  */
-playlist_t * __playlist_ThreadCreate( vlc_object_t *p_parent )
+void __playlist_ThreadCreate( vlc_object_t *p_parent )
 {
-    playlist_t *p_playlist;
-    p_playlist = CreatePlaylist( p_parent );
-
-    if( !p_playlist ) return NULL;
-
-    // Stats
-    p_playlist->p_stats = (global_stats_t *)malloc( sizeof( global_stats_t ) );
-    vlc_mutex_init( p_playlist, &p_playlist->p_stats->lock );
-
-    // Interaction
-    p_playlist->p_interaction = NULL;
+    playlist_t *p_playlist = playlist_Create( p_parent );
+    if( !p_playlist ) return;
 
     // Preparse
-    p_playlist->p_preparse = vlc_object_create( p_playlist,
-                                  sizeof( playlist_preparse_t ) );
-    if( !p_playlist->p_preparse )
+    playlist_preparse_t *p_preparse = &pl_priv(p_playlist)->preparse;
+    vlc_mutex_init (&p_preparse->lock);
+    vlc_cond_init (&p_preparse->wait);
+    p_preparse->i_waiting = 0;
+    p_preparse->pp_waiting = NULL;
+
+    if( vlc_clone( &p_preparse->thread, playlist_PreparseLoop, p_preparse,
+                   VLC_THREAD_PRIORITY_LOW ) )
     {
-        msg_Err( p_playlist, "unable to create preparser" );
-        vlc_object_destroy( p_playlist );
-        return NULL;
+        msg_Err( p_playlist, "cannot spawn preparse thread" );
+        p_preparse->up = false;
+        return;
     }
-    p_playlist->p_preparse->i_waiting = 0;
-    p_playlist->p_preparse->pp_waiting = NULL;
-
-    vlc_object_attach( p_playlist->p_preparse, p_playlist );
-    if( vlc_thread_create( p_playlist->p_preparse, "preparser",
-                           RunPreparse, VLC_THREAD_PRIORITY_LOW, VLC_TRUE ) )
+    p_preparse->up = true;
+
+    // Secondary Preparse
+    playlist_fetcher_t *p_fetcher = &pl_priv(p_playlist)->fetcher;
+    vlc_mutex_init (&p_fetcher->lock);
+    vlc_cond_init (&p_fetcher->wait);
+    p_fetcher->i_waiting = 0;
+    p_fetcher->pp_waiting = NULL;
+    p_fetcher->i_art_policy = var_CreateGetInteger( p_playlist, "album-art" );
+
+    if( vlc_clone( &p_fetcher->thread, playlist_FetcherLoop, p_fetcher,
+                   VLC_THREAD_PRIORITY_LOW ) )
     {
-        msg_Err( p_playlist, "cannot spawn preparse thread" );
-        vlc_object_detach( p_playlist->p_preparse );
-        vlc_object_destroy( p_playlist->p_preparse );
-        return NULL;
+        msg_Err( p_playlist, "cannot spawn secondary preparse thread" );
+        p_fetcher->up = false;
+        return;
     }
+    p_fetcher->up = true;
 
     // Start the thread
     if( vlc_thread_create( p_playlist, "playlist", RunControlThread,
-                           VLC_THREAD_PRIORITY_LOW, VLC_TRUE ) )
+                           VLC_THREAD_PRIORITY_LOW, false ) )
     {
         msg_Err( p_playlist, "cannot spawn playlist thread" );
-        vlc_object_destroy( p_playlist );
-        return NULL;
+        vlc_object_release( p_playlist );
+        return;
     }
 
     /* The object has been initialized, now attach it */
     vlc_object_attach( p_playlist, p_parent );
 
-    return p_playlist;
-}
-
-/**
- * Destroy the playlist global thread.
- *
- * Deinits all things controlled by the playlist global thread
- * \param p_playlist the playlist thread to destroy
- * \return VLC_SUCCESS or an error
- */
-int playlist_ThreadDestroy( playlist_t * p_playlist )
-{
-    p_playlist->b_die = 1;
-
-    DestroyInteraction( p_playlist );
-    DestroyPlaylist( p_playlist );
-
-    return VLC_SUCCESS;
+    return;
 }
 
 /**
  * Run the main control thread itself
  */
-static void RunControlThread ( playlist_t *p_playlist )
+static void* RunControlThread ( vlc_object_t *p_this )
 {
-   int i_loops = 0;
+    playlist_t *p_playlist = (playlist_t*)p_this;
 
-   /* Tell above that we're ready */
-   vlc_thread_ready( p_playlist );
-
-    while( !p_playlist->b_die )
+    int canc = vlc_savecancel ();
+    vlc_object_lock( p_playlist );
+    while( vlc_object_alive( p_playlist ) )
     {
-        i_loops++;
-
-        HandleInteraction( p_playlist );
-        HandleStats( p_playlist, i_loops );
-
-        HandlePlaylist( p_playlist );
+        playlist_MainLoop( p_playlist );
 
-        msleep( INTF_IDLE_SLEEP / 2 );
+        /* The playlist lock has been unlocked, so we can't tell if
+         * someone has killed us in the meantime. Check now. */
+        if( !vlc_object_alive( p_playlist ) )
+            break;
 
-        /* Stop sleeping earlier if we have work */
-        /* TODO : statistics about this */
-        if ( p_playlist->request.b_request &&
-                        p_playlist->status.i_status == PLAYLIST_RUNNING )
+        if( pl_priv(p_playlist)->b_cant_sleep )
         {
-            continue;
-        }
+            /* 100 ms is an acceptable delay for playlist operations */
+            vlc_object_unlock( p_playlist );
 
-        msleep( INTF_IDLE_SLEEP / 2 );
-    }
+            msleep( INTF_IDLE_SLEEP*2 );
 
-    EndPlaylist( p_playlist );
-}
-
-
-/*****************************************************************************
- * Playlist-specific functions
- *****************************************************************************/
-static playlist_t * CreatePlaylist( vlc_object_t *p_parent )
-{
-    return playlist_Create( p_parent );
-}
-
-static void DestroyPlaylist( playlist_t *p_playlist )
-{
-    playlist_Destroy( p_playlist );
-}
-
-static void HandlePlaylist( playlist_t *p_playlist )
-{
-    playlist_MainLoop( p_playlist );
-}
-
-static void EndPlaylist( playlist_t *p_playlist )
-{
-    playlist_LastLoop( p_playlist );
-}
-
-/*****************************************************************************
- * Preparse-specific functions
- *****************************************************************************/
-static void RunPreparse ( playlist_preparse_t *p_obj )
-{
-    /* Tell above that we're ready */
-    vlc_thread_ready( p_obj );
-    playlist_t *p_playlist = (playlist_t *)p_obj->p_parent;
-
-    while( !p_playlist->b_die )
-    {
-        playlist_PreparseLoop(  p_obj );
-        if( p_obj->i_waiting == 0 )
-        {
-            msleep( INTF_IDLE_SLEEP );
+            vlc_object_lock( p_playlist );
         }
-    }
-}
-
-/*****************************************************************************
- * Interaction functions
- *****************************************************************************/
-static void DestroyInteraction( playlist_t *p_playlist )
-{
-    if( p_playlist->p_interaction )
-    {
-        intf_InteractionDestroy( p_playlist->p_interaction );
-    }
-}
-
-static void HandleInteraction( playlist_t *p_playlist )
-{
-    if( p_playlist->p_interaction )
-    {
-        stats_TimerStart( p_playlist, "Interaction thread",
-                          STATS_TIMER_INTERACTION );
-        intf_InteractionManage( p_playlist );
-        stats_TimerStop( p_playlist, STATS_TIMER_INTERACTION );
-    }
-}
-
-
-/*****************************************************************************
- * Stats functions
- *****************************************************************************/
-static void HandleStats( playlist_t *p_playlist, int i_loops )
-{
-    if( i_loops %5 == 0 && p_playlist->p_stats )
-    {
-        stats_ComputeGlobalStats( p_playlist, p_playlist->p_stats );
-        if( p_playlist->p_input )
+        else
         {
-            stats_ComputeInputStats( p_playlist->p_input,
-                                p_playlist->p_input->input.p_item->p_stats );
+            vlc_object_wait( p_playlist );
         }
     }
+    vlc_object_unlock( p_playlist );
+
+    playlist_LastLoop( p_playlist );
+    vlc_restorecancel (canc);
+    return NULL;
 }