1 files changed, 62 insertions, 0 deletions
diff --git a/include/gst/allocators/gstphysmemory.h b/include/gst/allocators/gstphysmemory.h
new file mode 100644
index 0000000000..d0a9d07134
--- /dev/null
+++ b/include/gst/allocators/gstphysmemory.h
@@ -0,0 +1,62 @@
+/* GStreamer
+ * Copyright (C) 2017 Sebastian Dröge <sebastian@centricular.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GST_PHYS_MEMORY_H__
+#define __GST_PHYS_MEMORY_H__
+
+#include <gst/gst.h>
+#include <gst/allocators/allocators-prelude.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_PHYS_MEMORY_ALLOCATOR (gst_phys_memory_allocator_get_type())
+GST_ALLOCATORS_API
+G_DECLARE_INTERFACE (GstPhysMemoryAllocator, gst_phys_memory_allocator,
+    GST, PHYS_MEMORY_ALLOCATOR, GstAllocator)
+
+#define GST_PHYS_MEMORY_ALLOCATOR_GET_INTERFACE(obj) (GST_PHYS_MEMORY_ALLOCATOR_GET_IFACE(obj))
+#define GST_PHYS_MEMORY_ALLOCATOR_CAST(obj) ((GstPhysMemoryAllocator *)(obj))
+
+/**
+ * GstPhysMemoryAllocatorInterface:
+ * @get_phys_addr: Implementations shall return the physicall memory address
+ *    that is backing the provided memory, or 0 if none.
+ *
+ * Marker interface for allocators with physical address backed memory
+ *
+ * Since: 1.14
+ */
+struct _GstPhysMemoryAllocatorInterface
+{
+  /*< private >*/
+  GTypeInterface parent_iface;
+
+  /*< public >*/
+  guintptr (*get_phys_addr) (GstPhysMemoryAllocator * allocator, GstMemory * mem);
+};
+
+GST_ALLOCATORS_API
+gboolean gst_is_phys_memory (GstMemory *mem);
+
+GST_ALLOCATORS_API
+guintptr gst_phys_memory_get_phys_addr (GstMemory * mem);
+
+G_END_DECLS
+
+#endif /* __GST_PHYS_MEMORY_H__ */