This file is indexed.

/usr/include/gstreamer-1.0/gst/gstallocator.h is in libgstreamer1.0-dev 1.2.3-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
/* GStreamer
 * Copyright (C) 2009 Wim Taymans <wim.taymans@gmail.be>
 *
 * gstallocator.h: Header for memory allocation
 *
 * 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., 51 Franklin St, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */


#ifndef __GST_ALLOCATOR_H__
#define __GST_ALLOCATOR_H__

#include <gst/gstmemory.h>

G_BEGIN_DECLS

typedef struct _GstAllocatorPrivate GstAllocatorPrivate;
typedef struct _GstAllocatorClass GstAllocatorClass;

#define GST_TYPE_ALLOCATOR                 (gst_allocator_get_type())
#define GST_IS_ALLOCATOR(obj)              (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_ALLOCATOR))
#define GST_IS_ALLOCATOR_CLASS(klass)      (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_ALLOCATOR))
#define GST_ALLOCATOR_GET_CLASS(obj)       (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_ALLOCATOR, GstAllocatorClass))
#define GST_ALLOCATOR(obj)                 (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_ALLOCATOR, GstAllocator))
#define GST_ALLOCATOR_CLASS(klass)         (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_ALLOCATOR, GstAllocatorClass))
#define GST_ALLOCATOR_CAST(obj)            ((GstAllocator *)(obj))

#define GST_TYPE_ALLOCATION_PARAMS (gst_allocation_params_get_type())
GType gst_allocation_params_get_type(void);

typedef struct _GstAllocationParams GstAllocationParams;

/**
 * gst_memory_alignment:
 *
 * The default memory alignment in bytes - 1
 * an alignment of 7 would be the same as what malloc() guarantees.
 */
GST_EXPORT gsize gst_memory_alignment;

/**
 * GST_ALLOCATOR_SYSMEM:
 *
 * The allocator name for the default system memory allocator
 */
#define GST_ALLOCATOR_SYSMEM   "SystemMemory"

/**
 * GstAllocationParams:
 * @flags: flags to control allocation
 * @align: the desired alignment of the memory
 * @prefix: the desired prefix
 * @padding: the desired padding
 *
 * Parameters to control the allocation of memory
 */
struct _GstAllocationParams {
  GstMemoryFlags flags;
  gsize          align;
  gsize          prefix;
  gsize          padding;

  /*< private >*/
  gpointer _gst_reserved[GST_PADDING];
};

/**
 * GstAllocatorFlags:
 * @GST_ALLOCATOR_FLAG_CUSTOM_ALLOC: The allocator has a custom alloc function.
 * @GST_ALLOCATOR_FLAG_LAST: first flag that can be used for custom purposes
 *
 * Flags for allocators.
 */
typedef enum {
  GST_ALLOCATOR_FLAG_CUSTOM_ALLOC  = (GST_OBJECT_FLAG_LAST << 0),

  GST_ALLOCATOR_FLAG_LAST          = (GST_OBJECT_FLAG_LAST << 16)
} GstAllocatorFlags;

/**
 * GstAllocator:
 * @object: parent structure
 * @mem_type: the memory type this allocator provides
 * @mem_map: the implementation of the GstMemoryMapFunction
 * @mem_unmap: the implementation of the GstMemoryUnmapFunction
 * @mem_copy: the implementation of the GstMemoryCopyFunction
 * @mem_share: the implementation of the GstMemoryShareFunction
 * @mem_is_span: the implementation of the GstMemoryIsSpanFunction
 *
 * The #GstAllocator is used to create new memory.
 */
struct _GstAllocator
{
  GstObject  object;

  const gchar              *mem_type;

  GstMemoryMapFunction      mem_map;
  GstMemoryUnmapFunction    mem_unmap;

  GstMemoryCopyFunction     mem_copy;
  GstMemoryShareFunction    mem_share;
  GstMemoryIsSpanFunction   mem_is_span;

  /*< private >*/
  gpointer _gst_reserved[GST_PADDING];

  GstAllocatorPrivate *priv;
};

struct _GstAllocatorClass {
  GstObjectClass object_class;

  GstMemory *  (*alloc)      (GstAllocator *allocator, gsize size,
                              GstAllocationParams *params);
  void         (*free)       (GstAllocator *allocator, GstMemory *memory);

  /*< private >*/
  gpointer _gst_reserved[GST_PADDING];
};

GType gst_allocator_get_type(void);

/* allocators */
void           gst_allocator_register        (const gchar *name, GstAllocator *allocator);
GstAllocator * gst_allocator_find            (const gchar *name);
void           gst_allocator_set_default     (GstAllocator * allocator);

/* allocation parameters */
void           gst_allocation_params_init    (GstAllocationParams *params);
GstAllocationParams *
               gst_allocation_params_copy    (const GstAllocationParams *params) G_GNUC_MALLOC;
void           gst_allocation_params_free    (GstAllocationParams *params);

/* allocating memory blocks */
GstMemory *    gst_allocator_alloc           (GstAllocator * allocator, gsize size,
                                              GstAllocationParams *params);
void           gst_allocator_free            (GstAllocator * allocator, GstMemory *memory);

GstMemory *    gst_memory_new_wrapped  (GstMemoryFlags flags, gpointer data, gsize maxsize,
                                        gsize offset, gsize size, gpointer user_data,
                                        GDestroyNotify notify);

G_END_DECLS

#endif /* __GST_ALLOCATOR_H__ */