libvlc: Rename input to media_instance. And add the possibility to create a medi_inst...
[vlc.git] / src / control / playlist.c
index db597b6..c5a085a 100644 (file)
@@ -4,7 +4,7 @@
  * Copyright (C) 2005 the VideoLAN team
  * $Id$
  *
- * Authors: Clément Stenac <zorglub@videolan.org>
+ * Authors: Clément Stenac <zorglub@videolan.org>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
 
-#include <libvlc_internal.h>
+#include "libvlc_internal.h"
 #include <vlc/libvlc.h>
+#include <vlc_playlist.h>
 
-#include <vlc/intf.h>
+#include <assert.h>
 
-void libvlc_playlist_play( libvlc_instance_t *p_instance,
+#include "../playlist/playlist_internal.h"
+
+#define PL p_instance->p_libvlc_int->p_playlist
+
+static inline int playlist_was_locked( libvlc_instance_t *p_instance )
+{
+    int was_locked;
+    vlc_mutex_lock( &p_instance->instance_lock );
+    was_locked = p_instance->b_playlist_locked;
+    vlc_mutex_unlock( &p_instance->instance_lock );
+    return was_locked;
+}
+
+static inline void playlist_mark_locked( libvlc_instance_t *p_instance,
+                                         int locked )
+{
+    vlc_mutex_lock( &p_instance->instance_lock );
+    p_instance->b_playlist_locked = locked;
+    vlc_mutex_unlock( &p_instance->instance_lock );
+}
+
+void libvlc_playlist_loop( libvlc_instance_t *p_instance, vlc_bool_t loop,
+                           libvlc_exception_t *p_e)
+{
+    assert( PL );
+    var_SetBool( PL, "loop", loop );
+}
+
+void libvlc_playlist_play( libvlc_instance_t *p_instance, int i_id,
                            int i_options, char **ppsz_options,
-                           libvlc_exception_t *p_exception )
+                           libvlc_exception_t *p_e )
 {
+    int did_lock = 0;
+    assert( PL );
     ///\todo Handle additionnal options
 
-    if( p_instance->p_playlist->i_size == 0 )
+    if( PL->items.i_size == 0 ) RAISEVOID( "Empty playlist" );
+    if( i_id > 0 )
+    {
+        playlist_item_t *p_item;
+        if (! playlist_was_locked( p_instance ) )
+        {
+            playlist_mark_locked( p_instance, 1 );
+            vlc_mutex_lock( &PL->object_lock );
+            did_lock = 1;
+        }
+
+        p_item = playlist_ItemGetByInputId( PL, i_id,
+                                            PL->status.p_node );
+        if( !p_item )
+        {
+            if( did_lock == 1 )
+            {
+                vlc_mutex_unlock( &PL->object_lock );
+                playlist_mark_locked( p_instance, 0 );
+            }
+            RAISEVOID( "Unable to find item" );
+        }
+
+        playlist_Control( PL, PLAYLIST_VIEWPLAY, VLC_TRUE,
+                          PL->status.p_node, p_item );
+        if( did_lock == 1 )
+        {
+            vlc_mutex_unlock( &PL->object_lock );
+            playlist_mark_locked( p_instance, 0 );
+        }
+    }
+    else
     {
-        libvlc_exception_raise( p_exception, "Empty playlist" );
-        return;
+        playlist_Control( PL, PLAYLIST_PLAY,
+                          playlist_was_locked( p_instance ) );
     }
-    playlist_Play( p_instance->p_playlist );
 }
 
-libvlc_input_t * libvlc_playlist_get_input( libvlc_instance_t *p_instance,
-                                            libvlc_exception_t *p_exception )
+void libvlc_playlist_pause( libvlc_instance_t *p_instance,
+                            libvlc_exception_t *p_e )
+{
+    assert( PL );
+    if( playlist_Control( PL, PLAYLIST_PAUSE,
+                          playlist_was_locked( p_instance ) ) != VLC_SUCCESS )
+        RAISEVOID( "Empty playlist" );
+}
+
+
+void libvlc_playlist_stop( libvlc_instance_t *p_instance,
+                           libvlc_exception_t *p_e )
+{
+    assert( PL );
+    if( playlist_Control( PL, PLAYLIST_STOP,
+                          playlist_was_locked( p_instance ) ) != VLC_SUCCESS )
+        RAISEVOID( "Empty playlist" );
+}
+
+void libvlc_playlist_clear( libvlc_instance_t *p_instance,
+                            libvlc_exception_t *p_e )
 {
-    libvlc_input_t *p_input;
+    assert( PL );
+    playlist_Clear( PL, playlist_was_locked( p_instance ) );
+}
 
-    vlc_mutex_lock( &p_instance->p_playlist->object_lock );
-    if( p_instance->p_playlist->p_input == NULL )
+void libvlc_playlist_next( libvlc_instance_t *p_instance,
+                           libvlc_exception_t *p_e )
+{
+    assert( PL );
+    if( playlist_Control( PL, PLAYLIST_SKIP, playlist_was_locked( p_instance ),
+                          1 ) != VLC_SUCCESS )
+        RAISEVOID( "Empty playlist" );
+}
+
+void libvlc_playlist_prev( libvlc_instance_t *p_instance,
+                           libvlc_exception_t *p_e )
+{
+    if( playlist_Control( PL, PLAYLIST_SKIP, playlist_was_locked( p_instance ),
+                          -1  ) != VLC_SUCCESS )
+        RAISEVOID( "Empty playlist" );
+}
+
+int libvlc_playlist_add( libvlc_instance_t *p_instance, const char *psz_uri,
+                         const char *psz_name, libvlc_exception_t *p_e )
+{
+    return libvlc_playlist_add_extended( p_instance, psz_uri, psz_name,
+                                         0, NULL, p_e );
+}
+
+int libvlc_playlist_add_extended( libvlc_instance_t *p_instance,
+                                  const char *psz_uri, const char *psz_name,
+                                  int i_options, const char **ppsz_options,
+                                  libvlc_exception_t *p_e )
+{
+    assert( PL );
+    if( playlist_was_locked( p_instance ) )
+    {
+        libvlc_exception_raise( p_e, "You must unlock playlist before "
+                               "calling libvlc_playlist_add" );
+        return VLC_EGENERIC;
+    }
+    return playlist_AddExt( PL, psz_uri, psz_name,
+                            PLAYLIST_INSERT, PLAYLIST_END, -1, ppsz_options,
+                            i_options, 1, VLC_FALSE );
+}
+
+
+int libvlc_playlist_delete_item( libvlc_instance_t *p_instance, int i_id,
+                                 libvlc_exception_t *p_e )
+{
+    assert( PL );
+
+    if( playlist_DeleteFromInput( PL, i_id,
+                                  playlist_was_locked( p_instance ) ) )
     {
-        libvlc_exception_raise( p_exception, "No active input" );
-        vlc_mutex_unlock( &p_instance->p_playlist->object_lock );
-        return;
+        libvlc_exception_raise( p_e, "deletion failed" );
+        return VLC_ENOITEM;
     }
-    p_input = (libvlc_input_t *)malloc( sizeof( libvlc_input_t ) );
+    return VLC_SUCCESS;
+}
+
+int libvlc_playlist_isplaying( libvlc_instance_t *p_instance,
+                               libvlc_exception_t *p_e )
+{
+    assert( PL );
+    return playlist_IsPlaying( PL );
+}
+
+int libvlc_playlist_items_count( libvlc_instance_t *p_instance,
+                                 libvlc_exception_t *p_e )
+{
+    assert( PL );
+    return playlist_CurrentSize( PL );
+}
+
+void libvlc_playlist_lock( libvlc_instance_t *p_instance )
+{
+    assert( PL );
+    vlc_mutex_lock( &PL->object_lock );
+    p_instance->b_playlist_locked = 1;
+}
+
+void libvlc_playlist_unlock( libvlc_instance_t *p_instance )
+{
+    assert( PL );
+    p_instance->b_playlist_locked = 0;
+    vlc_mutex_unlock( &PL->object_lock );
+}
+
+libvlc_media_instance_t * libvlc_playlist_get_media_instance(
+                                libvlc_instance_t *p_instance,
+                                libvlc_exception_t *p_e )
+{
+    libvlc_media_instance_t *p_mi;
+    assert( PL );
 
-    p_input->i_input_id = p_instance->p_playlist->p_input->i_object_id;
-    p_input->p_instance = p_instance;
-    vlc_mutex_unlock( &p_instance->p_playlist->object_lock );
+    vlc_mutex_lock( &PL->object_lock );
+    p_mi = libvlc_media_instance_new_from_input_thread(
+                        p_instance, PL->p_input );
+    vlc_mutex_unlock( &PL->object_lock );
 
-    return p_input;
+    return p_mi;
 }