1 files changed, 100 insertions, 0 deletions
diff --git a/include/gst/allocators/gstfdmemory.h b/include/gst/allocators/gstfdmemory.h
new file mode 100644
index 0000000000..43217b7033
--- /dev/null
+++ b/include/gst/allocators/gstfdmemory.h
@@ -0,0 +1,100 @@
+/* GStreamer fd memory
+ * Copyright (C) 2013 Linaro SA
+ * Author: Benjamin Gaignard <benjamin.gaignard@linaro.org> for Linaro.
+ *
+ * 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_FD_ALLOCATOR_H__
+#define __GST_FD_ALLOCATOR_H__
+
+#include <gst/gst.h>
+#include <gst/allocators/allocators-prelude.h>
+
+G_BEGIN_DECLS
+
+typedef struct _GstFdAllocator GstFdAllocator;
+typedef struct _GstFdAllocatorClass GstFdAllocatorClass;
+
+#define GST_ALLOCATOR_FD "fd"
+
+#define GST_TYPE_FD_ALLOCATOR              (gst_fd_allocator_get_type())
+#define GST_IS_FD_ALLOCATOR(obj)           (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_FD_ALLOCATOR))
+#define GST_IS_FD_ALLOCATOR_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_FD_ALLOCATOR))
+#define GST_FD_ALLOCATOR_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_FD_ALLOCATOR, GstFdAllocatorClass))
+#define GST_FD_ALLOCATOR(obj)              (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_FD_ALLOCATOR, GstFdAllocator))
+#define GST_FD_ALLOCATOR_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_FD_ALLOCATOR, GstFdAllocatorClass))
+#define GST_FD_ALLOCATOR_CAST(obj)         ((GstFdAllocator *)(obj))
+
+/**
+ * GstFdMemoryFlags:
+ * @GST_FD_MEMORY_FLAG_NONE: no flag
+ * @GST_FD_MEMORY_FLAG_KEEP_MAPPED: once the memory is mapped,
+ *        keep it mapped until the memory is destroyed.
+ * @GST_FD_MEMORY_FLAG_MAP_PRIVATE: do a private mapping instead of
+ *        the default shared mapping.
+ * @GST_FD_MEMORY_FLAG_DONT_CLOSE: don't close the file descriptor when
+ *        the memory is freed. Since: 1.10
+ *
+ * Various flags to control the operation of the fd backed memory.
+ *
+ * Since: 1.6
+ */
+typedef enum {
+  GST_FD_MEMORY_FLAG_NONE = 0,
+  GST_FD_MEMORY_FLAG_KEEP_MAPPED = (1 << 0),
+  GST_FD_MEMORY_FLAG_MAP_PRIVATE = (1 << 1),
+  GST_FD_MEMORY_FLAG_DONT_CLOSE  = (1 << 2),
+} GstFdMemoryFlags;
+
+/**
+ * GstFdAllocator:
+ *
+ * Base class for allocators with fd-backed memory
+ *
+ * Since: 1.6
+ */
+struct _GstFdAllocator
+{
+  GstAllocator parent;
+};
+
+struct _GstFdAllocatorClass
+{
+  GstAllocatorClass parent_class;
+};
+
+GST_ALLOCATORS_API
+GType           gst_fd_allocator_get_type (void);
+
+GST_ALLOCATORS_API
+GstAllocator *  gst_fd_allocator_new    (void);
+
+GST_ALLOCATORS_API
+GstMemory *     gst_fd_allocator_alloc  (GstAllocator * allocator, gint fd,
+                                         gsize size, GstFdMemoryFlags flags);
+
+GST_ALLOCATORS_API
+gboolean        gst_is_fd_memory        (GstMemory *mem);
+
+GST_ALLOCATORS_API
+gint            gst_fd_memory_get_fd    (GstMemory *mem);
+
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstFdAllocator, gst_object_unref)
+
+G_END_DECLS
+
+#endif /* __GST_FD_ALLOCATOR_H__ */