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