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75c32b8afc
We need different export decorators for the different libs. For now no actual change though, just rename before the release, and add prelude headers to define the new decorator to GST_EXPORT.
103 lines
3.3 KiB
C
103 lines
3.3 KiB
C
/* GStreamer fd memory
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* Copyright (C) 2013 Linaro SA
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* Author: Benjamin Gaignard <benjamin.gaignard@linaro.org> for Linaro.
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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_FD_ALLOCATOR_H__
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#define __GST_FD_ALLOCATOR_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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typedef struct _GstFdAllocator GstFdAllocator;
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typedef struct _GstFdAllocatorClass GstFdAllocatorClass;
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#define GST_ALLOCATOR_FD "fd"
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#define GST_TYPE_FD_ALLOCATOR (gst_fd_allocator_get_type())
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#define GST_IS_FD_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_FD_ALLOCATOR))
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#define GST_IS_FD_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_FD_ALLOCATOR))
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#define GST_FD_ALLOCATOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_FD_ALLOCATOR, GstFdAllocatorClass))
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#define GST_FD_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_FD_ALLOCATOR, GstFdAllocator))
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#define GST_FD_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_FD_ALLOCATOR, GstFdAllocatorClass))
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#define GST_FD_ALLOCATOR_CAST(obj) ((GstFdAllocator *)(obj))
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/**
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* GstFdMemoryFlags:
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* @GST_FD_MEMORY_FLAG_NONE: no flag
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* @GST_FD_MEMORY_FLAG_KEEP_MAPPED: once the memory is mapped,
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* keep it mapped until the memory is destroyed.
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* @GST_FD_MEMORY_FLAG_MAP_PRIVATE: do a private mapping instead of
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* the default shared mapping.
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* @GST_FD_MEMORY_FLAG_DONT_CLOSE: don't close the file descriptor when
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* the memory is freed. Since: 1.10
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*
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* Various flags to control the operation of the fd backed memory.
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*
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* Since: 1.6
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*/
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typedef enum {
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GST_FD_MEMORY_FLAG_NONE = 0,
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GST_FD_MEMORY_FLAG_KEEP_MAPPED = (1 << 0),
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GST_FD_MEMORY_FLAG_MAP_PRIVATE = (1 << 1),
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GST_FD_MEMORY_FLAG_DONT_CLOSE = (1 << 2),
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} GstFdMemoryFlags;
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/**
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* GstFdAllocator:
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*
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* Base class for allocators with fd-backed memory
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*
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* Since: 1.6
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*/
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struct _GstFdAllocator
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{
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GstAllocator parent;
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};
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struct _GstFdAllocatorClass
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{
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GstAllocatorClass parent_class;
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};
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GST_ALLOCATORS_API
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GType gst_fd_allocator_get_type (void);
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GST_ALLOCATORS_API
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GstAllocator * gst_fd_allocator_new (void);
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GST_ALLOCATORS_API
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GstMemory * gst_fd_allocator_alloc (GstAllocator * allocator, gint fd,
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gsize size, GstFdMemoryFlags flags);
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GST_ALLOCATORS_API
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gboolean gst_is_fd_memory (GstMemory *mem);
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GST_ALLOCATORS_API
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gint gst_fd_memory_get_fd (GstMemory *mem);
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#ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC
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G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstFdAllocator, gst_object_unref)
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#endif
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G_END_DECLS
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#endif /* __GST_FD_ALLOCATOR_H__ */
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