diff --git a/gst/gstbufferpool.c b/gst/gstbufferpool.c
index 3f3026b85a..40521e3bbc 100644
--- a/gst/gstbufferpool.c
+++ b/gst/gstbufferpool.c
@@ -70,6 +70,7 @@ struct _GstBufferPoolPrivate
   guint min_buffers;
   guint max_buffers;
   guint prefix;
+  guint padding;
   guint align;
 };
 
@@ -133,7 +134,7 @@ gst_buffer_pool_init (GstBufferPool * pool)
   pool->priv->started = FALSE;
   pool->priv->config =
       gst_structure_new_id_empty (GST_QUARK (BUFFER_POOL_CONFIG));
-  gst_buffer_pool_config_set (pool->priv->config, NULL, 0, 0, 0, 0, 0);
+  gst_buffer_pool_config_set (pool->priv->config, NULL, 0, 0, 0, 0, 0, 0);
   gst_poll_write_control (pool->priv->poll);
 
   GST_DEBUG_OBJECT (pool, "created");
@@ -184,7 +185,9 @@ default_alloc_buffer (GstBufferPool * pool, GstBuffer ** buffer,
 
   *buffer = gst_buffer_new ();
 
-  mem = gst_allocator_alloc (NULL, priv->size + priv->prefix, priv->align);
+  mem =
+      gst_allocator_alloc (NULL, priv->size + priv->prefix + priv->padding,
+      priv->align);
   gst_memory_resize (mem, priv->prefix, priv->size);
   gst_buffer_take_memory (*buffer, -1, mem);
 
@@ -431,11 +434,11 @@ default_set_config (GstBufferPool * pool, GstStructure * config)
   GstBufferPoolPrivate *priv = pool->priv;
   const GstCaps *caps;
   guint size, min_buffers, max_buffers;
-  guint prefix, align;
+  guint prefix, padding, align;
 
   /* parse the config and keep around */
   if (!gst_buffer_pool_config_get (config, &caps, &size, &min_buffers,
-          &max_buffers, &prefix, &align))
+          &max_buffers, &prefix, &padding, &align))
     goto wrong_config;
 
   GST_DEBUG_OBJECT (pool, "config %" GST_PTR_FORMAT, config);
@@ -444,6 +447,7 @@ default_set_config (GstBufferPool * pool, GstStructure * config)
   priv->min_buffers = min_buffers;
   priv->max_buffers = max_buffers;
   priv->prefix = prefix;
+  priv->padding = padding;
   priv->align = align;
 
   return TRUE;
@@ -621,17 +625,19 @@ gst_buffer_pool_has_option (GstBufferPool * pool, const gchar * option)
  * gst_buffer_pool_config_set:
  * @config: a #GstBufferPool configuration
  * @caps: caps for the buffers
- * @size: the size of each buffer, not including prefix
+ * @size: the size of each buffer, not including prefix and padding
  * @min_buffers: the minimum amount of buffers to allocate.
  * @max_buffers: the maximum amount of buffers to allocate or 0 for unlimited.
  * @prefix: prefix each buffer with this many bytes
+ * @padding: pad each buffer with this many bytes
  * @align: alignment of the buffer data.
  *
  * Configure @config with the given parameters.
  */
 void
 gst_buffer_pool_config_set (GstStructure * config, const GstCaps * caps,
-    guint size, guint min_buffers, guint max_buffers, guint prefix, guint align)
+    guint size, guint min_buffers, guint max_buffers, guint prefix,
+    guint padding, guint align)
 {
   g_return_if_fail (config != NULL);
 
@@ -641,6 +647,7 @@ gst_buffer_pool_config_set (GstStructure * config, const GstCaps * caps,
       GST_QUARK (MIN_BUFFERS), G_TYPE_UINT, min_buffers,
       GST_QUARK (MAX_BUFFERS), G_TYPE_UINT, max_buffers,
       GST_QUARK (PREFIX), G_TYPE_UINT, prefix,
+      GST_QUARK (PADDING), G_TYPE_UINT, padding,
       GST_QUARK (ALIGN), G_TYPE_UINT, align, NULL);
 }
 
@@ -772,10 +779,11 @@ gst_buffer_pool_config_has_option (GstStructure * config, const gchar * option)
  * gst_buffer_pool_config_get:
  * @config: (transfer none): a #GstBufferPool configuration
  * @caps: (out): the caps of buffers
- * @size: (out): the size of each buffer, not including prefix
+ * @size: (out): the size of each buffer, not including prefix and padding
  * @min_buffers: (out): the minimum amount of buffers to allocate.
  * @max_buffers: (out): the maximum amount of buffers to allocate or 0 for unlimited.
  * @prefix: (out): prefix each buffer with this many bytes
+ * @padding: (out): pad each buffer with this many bytes
  * @align: (out): alignment of the buffer data.
  *
  * Get the configuration values from @config.
@@ -783,7 +791,7 @@ gst_buffer_pool_config_has_option (GstStructure * config, const gchar * option)
 gboolean
 gst_buffer_pool_config_get (GstStructure * config, const GstCaps ** caps,
     guint * size, guint * min_buffers, guint * max_buffers, guint * prefix,
-    guint * align)
+    guint * padding, guint * align)
 {
   g_return_val_if_fail (config != NULL, FALSE);
 
@@ -793,6 +801,7 @@ gst_buffer_pool_config_get (GstStructure * config, const GstCaps ** caps,
       GST_QUARK (MIN_BUFFERS), G_TYPE_UINT, min_buffers,
       GST_QUARK (MAX_BUFFERS), G_TYPE_UINT, max_buffers,
       GST_QUARK (PREFIX), G_TYPE_UINT, prefix,
+      GST_QUARK (PADDING), G_TYPE_UINT, padding,
       GST_QUARK (ALIGN), G_TYPE_UINT, align, NULL);
 }
 
diff --git a/gst/gstbufferpool.h b/gst/gstbufferpool.h
index f9ee1333e4..b0e5a9d5f8 100644
--- a/gst/gstbufferpool.h
+++ b/gst/gstbufferpool.h
@@ -128,7 +128,7 @@ struct _GstBufferPool {
  *        be released when there are no buffers available.
  * @alloc_buffer: allocate a buffer. the default implementation allocates
  *        buffers from the default memory allocator and with the configured
- *        size, prefix and alignment. All metadata that is present on the
+ *        size, prefix, padding and alignment. All metadata that is present on the
  *        allocated buffer will be marked as #GST_META_FLAG_POOLED and will not
  *        be removed from the buffer in @reset_buffer.
  * @reset_buffer: reset the buffer to its state when it was freshly allocated.
@@ -182,10 +182,10 @@ gboolean         gst_buffer_pool_has_option      (GstBufferPool *pool, const gch
 /* helpers for configuring the config structure */
 void             gst_buffer_pool_config_set      (GstStructure *config, const GstCaps *caps,
                                                   guint size, guint min_buffers, guint max_buffers,
-                                                  guint prefix, guint align);
+                                                  guint prefix, guint padding, guint align);
 gboolean         gst_buffer_pool_config_get      (GstStructure *config, const GstCaps **caps,
                                                   guint *size, guint *min_buffers, guint *max_buffers,
-                                                  guint *prefix, guint *align);
+                                                  guint *prefix, guint *padding, guint *align);
 
 /* options */
 guint            gst_buffer_pool_config_n_options   (GstStructure *config);
diff --git a/gst/gstquark.c b/gst/gstquark.c
index 22f2104f67..8303a4a939 100644
--- a/gst/gstquark.c
+++ b/gst/gstquark.c
@@ -51,7 +51,7 @@ static const gchar *_quark_strings[] = {
   "message", "GstMessageQOS", "running-time", "stream-time", "jitter",
   "quality", "processed", "dropped", "buffering-ranges", "GstMessageProgress",
   "code", "text", "percent", "timeout", "GstBufferPoolConfig", "caps", "size",
-  "min-buffers", "max-buffers", "prefix", "postfix", "align", "time",
+  "min-buffers", "max-buffers", "prefix", "padding", "align", "time",
   "GstQueryAllocation", "need-pool", "meta", "pool", "GstEventCaps",
   "GstEventReconfigure", "segment", "GstQueryScheduling", "pull-mode",
   "allocator", "GstEventFlushStop", "options", "GstQueryAcceptCaps",
diff --git a/gst/gstquark.h b/gst/gstquark.h
index 354a6c487c..43f80e5617 100644
--- a/gst/gstquark.h
+++ b/gst/gstquark.h
@@ -138,7 +138,7 @@ typedef enum _GstQuarkId
   GST_QUARK_MIN_BUFFERS = 109,
   GST_QUARK_MAX_BUFFERS = 110,
   GST_QUARK_PREFIX = 111,
-  GST_QUARK_POSTFIX = 112,
+  GST_QUARK_PADDING = 112,
   GST_QUARK_ALIGN = 113,
   GST_QUARK_TIME = 114,
   GST_QUARK_QUERY_ALLOCATION = 115,
diff --git a/gst/gstquery.c b/gst/gstquery.c
index 2ad44b5a29..6af3fd0745 100644
--- a/gst/gstquery.c
+++ b/gst/gstquery.c
@@ -1484,6 +1484,7 @@ gst_query_new_allocation (GstCaps * caps, gboolean need_pool)
       GST_QUARK (MIN_BUFFERS), G_TYPE_UINT, 0,
       GST_QUARK (MAX_BUFFERS), G_TYPE_UINT, 0,
       GST_QUARK (PREFIX), G_TYPE_UINT, 0,
+      GST_QUARK (PADDING), G_TYPE_UINT, 0,
       GST_QUARK (ALIGN), G_TYPE_UINT, 0,
       GST_QUARK (POOL), GST_TYPE_BUFFER_POOL, NULL, NULL);
 
@@ -1523,6 +1524,7 @@ gst_query_parse_allocation (GstQuery * query, GstCaps ** caps,
  * @min_buffers: the min buffers
  * @max_buffers: the max buffers
  * @prefix: the prefix
+ * @padding: the padding
  * @alignment: the alignment
  * @pool: the #GstBufferPool
  *
@@ -1530,7 +1532,7 @@ gst_query_parse_allocation (GstQuery * query, GstCaps ** caps,
  */
 void
 gst_query_set_allocation_params (GstQuery * query, guint size,
-    guint min_buffers, guint max_buffers, guint prefix,
+    guint min_buffers, guint max_buffers, guint prefix, guint padding,
     guint alignment, GstBufferPool * pool)
 {
   GstStructure *structure;
@@ -1546,6 +1548,7 @@ gst_query_set_allocation_params (GstQuery * query, guint size,
       GST_QUARK (MIN_BUFFERS), G_TYPE_UINT, min_buffers,
       GST_QUARK (MAX_BUFFERS), G_TYPE_UINT, max_buffers,
       GST_QUARK (PREFIX), G_TYPE_UINT, prefix,
+      GST_QUARK (PADDING), G_TYPE_UINT, padding,
       GST_QUARK (ALIGN), G_TYPE_UINT, alignment,
       GST_QUARK (POOL), GST_TYPE_BUFFER_POOL, pool, NULL);
 }
@@ -1557,6 +1560,7 @@ gst_query_set_allocation_params (GstQuery * query, guint size,
  * @min_buffers: (out) (allow-none): the min buffers
  * @max_buffers: (out) (allow-none): the max buffers
  * @prefix: (out) (allow-none): the prefix
+ * @padding: (out) (allow-none): the padding
  * @alignment: (out) (allow-none): the alignment
  * @pool: (out) (allow-none) (transfer full): the #GstBufferPool
  *
@@ -1565,7 +1569,7 @@ gst_query_set_allocation_params (GstQuery * query, guint size,
 void
 gst_query_parse_allocation_params (GstQuery * query, guint * size,
     guint * min_buffers, guint * max_buffers, guint * prefix,
-    guint * alignment, GstBufferPool ** pool)
+    guint * padding, guint * alignment, GstBufferPool ** pool)
 {
   GstStructure *structure;
 
@@ -1577,6 +1581,7 @@ gst_query_parse_allocation_params (GstQuery * query, guint * size,
       GST_QUARK (MIN_BUFFERS), G_TYPE_UINT, min_buffers,
       GST_QUARK (MAX_BUFFERS), G_TYPE_UINT, max_buffers,
       GST_QUARK (PREFIX), G_TYPE_UINT, prefix,
+      GST_QUARK (PADDING), G_TYPE_UINT, padding,
       GST_QUARK (ALIGN), G_TYPE_UINT, alignment,
       GST_QUARK (POOL), GST_TYPE_BUFFER_POOL, pool, NULL);
 }
diff --git a/gst/gstquery.h b/gst/gstquery.h
index c79ab7987a..f6ceb1eab4 100644
--- a/gst/gstquery.h
+++ b/gst/gstquery.h
@@ -402,11 +402,11 @@ GstQuery *      gst_query_new_allocation          (GstCaps *caps, gboolean need_
 void            gst_query_parse_allocation        (GstQuery *query, GstCaps **caps, gboolean *need_pool);
 
 void            gst_query_set_allocation_params   (GstQuery *query, guint size, guint min_buffers,
-                                                   guint max_buffers, guint prefix, guint alignment,
-                                                   GstBufferPool *pool);
+                                                   guint max_buffers, guint prefix, guint padding,
+                                                   guint alignment, GstBufferPool *pool);
 void            gst_query_parse_allocation_params (GstQuery *query, guint *size, guint *min_buffers,
-                                                   guint *max_buffers, guint *prefix, guint *alignment,
-                                                   GstBufferPool **pool);
+                                                   guint *max_buffers, guint *prefix, guint *padding,
+                                                   guint *alignment, GstBufferPool **pool);
 
 void            gst_query_add_allocation_meta        (GstQuery *query, GType api);
 guint           gst_query_get_n_allocation_metas     (GstQuery *query);
diff --git a/libs/gst/base/gstbasesrc.c b/libs/gst/base/gstbasesrc.c
index 3d2f671f7e..af57bfa183 100644
--- a/libs/gst/base/gstbasesrc.c
+++ b/libs/gst/base/gstbasesrc.c
@@ -247,6 +247,7 @@ struct _GstBaseSrcPrivate
   GstBufferPool *pool;
   GstAllocator *allocator;
   guint prefix;
+  guint padding;
   guint alignment;
 };
 
@@ -1357,13 +1358,13 @@ gst_base_src_default_alloc (GstBaseSrc * src, guint64 offset,
     GstMemory *mem;
     guint maxsize;
 
-    maxsize = size + priv->prefix;
+    maxsize = size + priv->prefix + priv->padding;
 
     mem = gst_allocator_alloc (priv->allocator, maxsize, priv->alignment);
     if (G_UNLIKELY (mem == NULL))
       goto alloc_failed;
 
-    if (priv->prefix != 0)
+    if (priv->prefix != 0 || priv->padding != 0)
       gst_memory_resize (mem, priv->prefix, size);
 
     *buffer = gst_buffer_new ();
@@ -2722,7 +2723,7 @@ null_buffer:
 
 static gboolean
 gst_base_src_set_allocation (GstBaseSrc * basesrc, GstBufferPool * pool,
-    GstAllocator * allocator, guint prefix, guint alignment)
+    GstAllocator * allocator, guint prefix, guint padding, guint alignment)
 {
   GstAllocator *oldalloc;
   GstBufferPool *oldpool;
@@ -2742,6 +2743,7 @@ gst_base_src_set_allocation (GstBaseSrc * basesrc, GstBufferPool * pool,
   priv->allocator = allocator;
 
   priv->prefix = prefix;
+  priv->padding = padding;
   priv->alignment = alignment;
   GST_OBJECT_UNLOCK (basesrc);
 
@@ -2793,7 +2795,7 @@ gst_base_src_prepare_allocation (GstBaseSrc * basesrc, GstCaps * caps)
   GstQuery *query;
   GstBufferPool *pool = NULL;
   GstAllocator *allocator = NULL;
-  guint size, min, max, prefix, alignment;
+  guint size, min, max, prefix, padding, alignment;
 
   bclass = GST_BASE_SRC_GET_CLASS (basesrc);
 
@@ -2812,7 +2814,7 @@ gst_base_src_prepare_allocation (GstBaseSrc * basesrc, GstCaps * caps)
   GST_DEBUG_OBJECT (basesrc, "ALLOCATION (%d) params: %" GST_PTR_FORMAT, result,
       query);
   gst_query_parse_allocation_params (query, &size, &min, &max, &prefix,
-      &alignment, &pool);
+      &padding, &alignment, &pool);
 
   if (size == 0) {
     /* no size, we have variable size buffers */
@@ -2831,14 +2833,15 @@ gst_base_src_prepare_allocation (GstBaseSrc * basesrc, GstCaps * caps)
 
     config = gst_buffer_pool_get_config (pool);
     gst_buffer_pool_config_set (config, caps, size, min, max, prefix,
-        alignment);
+        padding, alignment);
     gst_buffer_pool_set_config (pool, config);
   }
 
   gst_query_unref (query);
 
   result =
-      gst_base_src_set_allocation (basesrc, pool, allocator, prefix, alignment);
+      gst_base_src_set_allocation (basesrc, pool, allocator, prefix, padding,
+      alignment);
 
   return result;
 
@@ -3195,7 +3198,7 @@ gst_base_src_stop (GstBaseSrc * basesrc)
   if (bclass->stop)
     result = bclass->stop (basesrc);
 
-  gst_base_src_set_allocation (basesrc, NULL, NULL, 0, 0);
+  gst_base_src_set_allocation (basesrc, NULL, NULL, 0, 0, 0);
 
   return result;
 
diff --git a/libs/gst/base/gstbasetransform.c b/libs/gst/base/gstbasetransform.c
index 3c1386f974..c151b7aaa1 100644
--- a/libs/gst/base/gstbasetransform.c
+++ b/libs/gst/base/gstbasetransform.c
@@ -256,6 +256,7 @@ struct _GstBaseTransformPrivate
   gboolean pool_active;
   GstAllocator *allocator;
   guint prefix;
+  guint padding;
   guint alignment;
   GstQuery *query;
 };
@@ -744,7 +745,7 @@ done:
 static gboolean
 gst_base_transform_set_allocation (GstBaseTransform * trans,
     GstBufferPool * pool, GstAllocator * allocator, guint prefix,
-    guint alignment, GstQuery * query)
+    guint padding, guint alignment, GstQuery * query)
 {
   GstAllocator *oldalloc;
   GstBufferPool *oldpool;
@@ -760,6 +761,7 @@ gst_base_transform_set_allocation (GstBaseTransform * trans,
   oldquery = priv->query;
   priv->query = query;
   priv->prefix = prefix;
+  priv->padding = padding;
   priv->alignment = alignment;
   GST_OBJECT_UNLOCK (trans);
 
@@ -827,7 +829,7 @@ gst_base_transform_do_bufferpool (GstBaseTransform * trans, GstCaps * outcaps)
   GstQuery *query;
   gboolean result = TRUE;
   GstBufferPool *pool = NULL;
-  guint size, min, max, prefix, alignment;
+  guint size, min, max, prefix, padding, alignment;
   GstBaseTransformClass *klass;
   GstAllocator *allocator = NULL;
 
@@ -846,7 +848,7 @@ gst_base_transform_do_bufferpool (GstBaseTransform * trans, GstCaps * outcaps)
      * let the upstream element decide if it wants to use a bufferpool and
      * then we will proxy the downstream pool */
     GST_DEBUG_OBJECT (trans, "we're passthough, delay bufferpool");
-    gst_base_transform_set_allocation (trans, NULL, NULL, 0, 0, NULL);
+    gst_base_transform_set_allocation (trans, NULL, NULL, 0, 0, 0, NULL);
     return TRUE;
   }
 
@@ -868,7 +870,7 @@ gst_base_transform_do_bufferpool (GstBaseTransform * trans, GstCaps * outcaps)
 
   /* we got configuration from our peer, parse them */
   gst_query_parse_allocation_params (query, &size, &min, &max, &prefix,
-      &alignment, &pool);
+      &padding, &alignment, &pool);
 
   if (size == 0) {
     /* no size, we have variable size buffers */
@@ -886,14 +888,14 @@ gst_base_transform_do_bufferpool (GstBaseTransform * trans, GstCaps * outcaps)
     GST_DEBUG_OBJECT (trans, "no pool, making one");
     config = gst_buffer_pool_get_config (pool);
     gst_buffer_pool_config_set (config, outcaps, size, min, max, prefix,
-        alignment);
+        padding, alignment);
     gst_buffer_pool_set_config (pool, config);
   }
 
   /* and store */
   result =
       gst_base_transform_set_allocation (trans, pool, allocator, prefix,
-      alignment, query);
+      padding, alignment, query);
 
   return result;
 
@@ -1460,7 +1462,8 @@ default_prepare_output_buffer (GstBaseTransform * trans,
   GstFlowReturn ret = GST_FLOW_OK;
   GstBaseTransformClass *bclass;
   GstCaps *incaps, *outcaps;
-  gsize insize, outsize;
+  gsize insize, outsize, maxsize;
+  GstMemory *mem;
   gboolean res;
 
   priv = trans->priv;
@@ -1519,7 +1522,13 @@ default_prepare_output_buffer (GstBaseTransform * trans,
     goto unknown_size;
 
   GST_DEBUG_OBJECT (trans, "doing alloc of size %" G_GSIZE_FORMAT, outsize);
-  *outbuf = gst_buffer_new_allocate (priv->allocator, outsize, priv->alignment);
+  maxsize = outsize + priv->prefix + priv->padding;
+  mem = gst_allocator_alloc (priv->allocator, maxsize, priv->alignment);
+  if (priv->prefix != 0 || priv->padding != 0)
+    gst_memory_resize (mem, priv->prefix, outsize);
+
+  *outbuf = gst_buffer_new ();
+  gst_buffer_take_memory (*outbuf, -1, mem);
 
 copy_meta:
   /* copy the metadata */
@@ -2236,7 +2245,7 @@ gst_base_transform_activate (GstBaseTransform * trans, gboolean active)
     if (trans->priv->pad_mode != GST_PAD_MODE_NONE && bclass->stop)
       result &= bclass->stop (trans);
 
-    gst_base_transform_set_allocation (trans, NULL, NULL, 0, 0, NULL);
+    gst_base_transform_set_allocation (trans, NULL, NULL, 0, 0, 0, NULL);
   }
 
   return result;