diff --git a/sys/d3d11/gstd3d11_fwd.h b/sys/d3d11/gstd3d11_fwd.h
index 5445355745..1f977ef432 100644
--- a/sys/d3d11/gstd3d11_fwd.h
+++ b/sys/d3d11/gstd3d11_fwd.h
@@ -63,6 +63,7 @@ typedef struct _GstD3D11AllocationParams GstD3D11AllocationParams;
 typedef struct _GstD3D11Memory GstD3D11Memory;
 typedef struct _GstD3D11Allocator GstD3D11Allocator;
 typedef struct _GstD3D11AllocatorClass GstD3D11AllocatorClass;
+typedef struct _GstD3D11AllocatorPrivate GstD3D11AllocatorPrivate;
 
 typedef struct _GstD3D11BufferPool GstD3D11BufferPool;
 typedef struct _GstD3D11BufferPoolClass GstD3D11BufferPoolClass;
diff --git a/sys/d3d11/gstd3d11bufferpool.c b/sys/d3d11/gstd3d11bufferpool.c
index d844164397..1f415382e2 100644
--- a/sys/d3d11/gstd3d11bufferpool.c
+++ b/sys/d3d11/gstd3d11bufferpool.c
@@ -50,6 +50,8 @@ static gboolean gst_d3d11_buffer_pool_set_config (GstBufferPool * pool,
     GstStructure * config);
 static GstFlowReturn gst_d3d11_buffer_pool_alloc (GstBufferPool * pool,
     GstBuffer ** buffer, GstBufferPoolAcquireParams * params);
+static void gst_d3d11_buffer_pool_flush_start (GstBufferPool * pool);
+static void gst_d3d11_buffer_pool_flush_stop (GstBufferPool * pool);
 
 static void
 gst_d3d11_buffer_pool_class_init (GstD3D11BufferPoolClass * klass)
@@ -62,6 +64,8 @@ gst_d3d11_buffer_pool_class_init (GstD3D11BufferPoolClass * klass)
   bufferpool_class->get_options = gst_d3d11_buffer_pool_get_options;
   bufferpool_class->set_config = gst_d3d11_buffer_pool_set_config;
   bufferpool_class->alloc_buffer = gst_d3d11_buffer_pool_alloc;
+  bufferpool_class->flush_start = gst_d3d11_buffer_pool_flush_start;
+  bufferpool_class->flush_stop = gst_d3d11_buffer_pool_flush_stop;
 
   GST_DEBUG_CATEGORY_INIT (gst_d3d11_buffer_pool_debug, "d3d11bufferpool", 0,
       "d3d11bufferpool object");
@@ -311,6 +315,26 @@ error:
   return GST_FLOW_ERROR;
 }
 
+static void
+gst_d3d11_buffer_pool_flush_start (GstBufferPool * pool)
+{
+  GstD3D11BufferPool *self = GST_D3D11_BUFFER_POOL (pool);
+  GstD3D11BufferPoolPrivate *priv = self->priv;
+
+  if (priv->allocator)
+    gst_d3d11_allocator_set_flushing (priv->allocator, TRUE);
+}
+
+static void
+gst_d3d11_buffer_pool_flush_stop (GstBufferPool * pool)
+{
+  GstD3D11BufferPool *self = GST_D3D11_BUFFER_POOL (pool);
+  GstD3D11BufferPoolPrivate *priv = self->priv;
+
+  if (priv->allocator)
+    gst_d3d11_allocator_set_flushing (priv->allocator, FALSE);
+}
+
 GstBufferPool *
 gst_d3d11_buffer_pool_new (GstD3D11Device * device)
 {
diff --git a/sys/d3d11/gstd3d11memory.c b/sys/d3d11/gstd3d11memory.c
index 1b74ee61d2..79f39e6dc8 100644
--- a/sys/d3d11/gstd3d11memory.c
+++ b/sys/d3d11/gstd3d11memory.c
@@ -146,8 +146,21 @@ G_DEFINE_BOXED_TYPE_WITH_CODE (GstD3D11AllocationParams,
     (GBoxedFreeFunc) gst_d3d11_allocation_params_free,
     _init_alloc_params (g_define_type_id));
 
+struct _GstD3D11AllocatorPrivate
+{
+  /* parent textrure when array typed memory is used */
+  ID3D11Texture2D *texture;
+  guint8 array_in_use[D3D11_REQ_TEXTURE2D_ARRAY_AXIS_DIMENSION];
+
+  GMutex lock;
+  GCond cond;
+
+  gboolean flushing;
+};
+
 #define gst_d3d11_allocator_parent_class parent_class
-G_DEFINE_TYPE (GstD3D11Allocator, gst_d3d11_allocator, GST_TYPE_ALLOCATOR);
+G_DEFINE_TYPE_WITH_PRIVATE (GstD3D11Allocator,
+    gst_d3d11_allocator, GST_TYPE_ALLOCATOR);
 
 static inline D3D11_MAP
 gst_map_flags_to_d3d11 (GstMapFlags flags)
@@ -337,9 +350,16 @@ gst_d3d11_allocator_dummy_alloc (GstAllocator * allocator, gsize size,
 static void
 gst_d3d11_allocator_free (GstAllocator * allocator, GstMemory * mem)
 {
+  GstD3D11Allocator *self = GST_D3D11_ALLOCATOR (allocator);
+  GstD3D11AllocatorPrivate *priv = self->priv;
   GstD3D11Memory *dmem = (GstD3D11Memory *) mem;
   gint i;
 
+  g_mutex_lock (&priv->lock);
+  priv->array_in_use[dmem->subresource_index] = 0;
+  g_cond_broadcast (&priv->cond);
+  g_mutex_unlock (&priv->lock);
+
   for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
     if (dmem->render_target_view[i])
       ID3D11RenderTargetView_Release (dmem->render_target_view[i]);
@@ -366,10 +386,11 @@ static void
 gst_d3d11_allocator_dispose (GObject * object)
 {
   GstD3D11Allocator *alloc = GST_D3D11_ALLOCATOR (object);
+  GstD3D11AllocatorPrivate *priv = alloc->priv;
 
-  if (alloc->device && alloc->texture) {
-    gst_d3d11_device_release_texture (alloc->device, alloc->texture);
-    alloc->texture = NULL;
+  if (alloc->device && priv->texture) {
+    gst_d3d11_device_release_texture (alloc->device, priv->texture);
+    priv->texture = NULL;
   }
 
   gst_clear_object (&alloc->device);
@@ -377,6 +398,18 @@ gst_d3d11_allocator_dispose (GObject * object)
   G_OBJECT_CLASS (parent_class)->dispose (object);
 }
 
+static void
+gst_d3d11_allocator_finalize (GObject * object)
+{
+  GstD3D11Allocator *alloc = GST_D3D11_ALLOCATOR (object);
+  GstD3D11AllocatorPrivate *priv = alloc->priv;
+
+  g_mutex_clear (&priv->lock);
+  g_cond_clear (&priv->cond);
+
+  G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
 static void
 gst_d3d11_allocator_class_init (GstD3D11AllocatorClass * klass)
 {
@@ -384,6 +417,7 @@ gst_d3d11_allocator_class_init (GstD3D11AllocatorClass * klass)
   GstAllocatorClass *allocator_class = GST_ALLOCATOR_CLASS (klass);
 
   gobject_class->dispose = gst_d3d11_allocator_dispose;
+  gobject_class->finalize = gst_d3d11_allocator_finalize;
 
   allocator_class->alloc = gst_d3d11_allocator_dummy_alloc;
   allocator_class->free = gst_d3d11_allocator_free;
@@ -396,6 +430,7 @@ static void
 gst_d3d11_allocator_init (GstD3D11Allocator * allocator)
 {
   GstAllocator *alloc = GST_ALLOCATOR_CAST (allocator);
+  GstD3D11AllocatorPrivate *priv;
 
   alloc->mem_type = GST_D3D11_MEMORY_NAME;
   alloc->mem_map = gst_d3d11_memory_map;
@@ -404,6 +439,12 @@ gst_d3d11_allocator_init (GstD3D11Allocator * allocator)
   /* fallback copy */
 
   GST_OBJECT_FLAG_SET (alloc, GST_ALLOCATOR_FLAG_CUSTOM_ALLOC);
+
+  priv = gst_d3d11_allocator_get_instance_private (allocator);
+  g_mutex_init (&priv->lock);
+  g_cond_init (&priv->cond);
+
+  allocator->priv = priv;
 }
 
 GstD3D11Allocator *
@@ -614,11 +655,13 @@ gst_d3d11_allocator_alloc (GstD3D11Allocator * allocator,
   gsize *size;
   gboolean is_first = FALSE;
   guint index_to_use = 0;
+  GstD3D11AllocatorPrivate *priv;
   GstD3D11MemoryType type = GST_D3D11_MEMORY_TYPE_TEXTURE;
 
   g_return_val_if_fail (GST_IS_D3D11_ALLOCATOR (allocator), NULL);
   g_return_val_if_fail (params != NULL, NULL);
 
+  priv = allocator->priv;
   device = allocator->device;
   desc = &params->desc[params->plane];
   size = &params->size[params->plane];
@@ -628,28 +671,44 @@ gst_d3d11_allocator_alloc (GstD3D11Allocator * allocator,
 
   if ((params->flags & GST_D3D11_ALLOCATION_FLAG_TEXTURE_ARRAY)) {
     gint i;
+
+  do_again:
+    g_mutex_lock (&priv->lock);
+    if (priv->flushing) {
+      GST_DEBUG_OBJECT (allocator, "we are flushing");
+      g_mutex_unlock (&priv->lock);
+
+      return NULL;
+    }
+
     for (i = 0; i < desc->ArraySize; i++) {
-      if (allocator->array_in_use[i] == 0) {
+      if (priv->array_in_use[i] == 0) {
         index_to_use = i;
         break;
       }
     }
 
     if (i == desc->ArraySize) {
-      GST_ERROR_OBJECT (allocator, "All elements in array are used now");
-      goto error;
+      GST_DEBUG_OBJECT (allocator, "All elements in array are used now");
+      g_cond_wait (&priv->cond, &priv->lock);
+      g_mutex_unlock (&priv->lock);
+      goto do_again;
     }
 
-    if (!allocator->texture) {
-      allocator->texture = gst_d3d11_device_create_texture (device, desc, NULL);
-      if (!allocator->texture) {
+    priv->array_in_use[index_to_use] = 1;
+
+    g_mutex_unlock (&priv->lock);
+
+    if (!priv->texture) {
+      priv->texture = gst_d3d11_device_create_texture (device, desc, NULL);
+      if (!priv->texture) {
         GST_ERROR_OBJECT (allocator, "Couldn't create texture");
         goto error;
       }
     }
 
-    ID3D11Texture2D_AddRef (allocator->texture);
-    texture = allocator->texture;
+    ID3D11Texture2D_AddRef (priv->texture);
+    texture = priv->texture;
 
     type = GST_D3D11_MEMORY_TYPE_ARRAY;
   } else {
@@ -701,8 +760,6 @@ gst_d3d11_allocator_alloc (GstD3D11Allocator * allocator,
   mem->device = gst_object_ref (device);
   mem->type = type;
   mem->subresource_index = index_to_use;
-  if (type == GST_D3D11_MEMORY_TYPE_ARRAY)
-    allocator->array_in_use[index_to_use] = 1;
 
   if (staging)
     GST_MINI_OBJECT_FLAG_SET (mem, GST_D3D11_MEMORY_TRANSFER_NEED_DOWNLOAD);
@@ -719,6 +776,22 @@ error:
   return NULL;
 }
 
+void
+gst_d3d11_allocator_set_flushing (GstD3D11Allocator * allocator,
+    gboolean flushing)
+{
+  GstD3D11AllocatorPrivate *priv;
+
+  g_return_if_fail (GST_IS_D3D11_ALLOCATOR (allocator));
+
+  priv = allocator->priv;
+
+  g_mutex_lock (&priv->lock);
+  priv->flushing = flushing;
+  g_cond_broadcast (&priv->cond);
+  g_mutex_unlock (&priv->lock);
+}
+
 gboolean
 gst_is_d3d11_memory (GstMemory * mem)
 {
diff --git a/sys/d3d11/gstd3d11memory.h b/sys/d3d11/gstd3d11memory.h
index e7dd0e7e20..f63618be89 100644
--- a/sys/d3d11/gstd3d11memory.h
+++ b/sys/d3d11/gstd3d11memory.h
@@ -140,11 +140,8 @@ struct _GstD3D11Allocator
 
   GstD3D11Device *device;
 
-  /* parent textrure when array typed memory is used */
-  ID3D11Texture2D *texture;
-  guint8 array_in_use [D3D11_REQ_TEXTURE2D_ARRAY_AXIS_DIMENSION];
-
   /*< private >*/
+  GstD3D11AllocatorPrivate *priv;
   gpointer _gst_reserved[GST_PADDING];
 };
 
@@ -174,6 +171,9 @@ GstD3D11Allocator * gst_d3d11_allocator_new       (GstD3D11Device *device);
 GstMemory *         gst_d3d11_allocator_alloc     (GstD3D11Allocator * allocator,
                                                    GstD3D11AllocationParams * params);
 
+void                gst_d3d11_allocator_set_flushing (GstD3D11Allocator * allocator,
+                                                      gboolean flushing);
+
 gboolean            gst_is_d3d11_memory           (GstMemory * mem);
 
 gboolean            gst_d3d11_memory_ensure_shader_resource_view (GstD3D11Memory * mem);