GstAllocator

GstAllocator

Functions

Types and Values

Object Hierarchy

    GBoxed
    ╰── GstAllocationParams
    GObject
    ╰── GInitiallyUnowned
        ╰── GstObject
            ╰── GstAllocator

Includes

#include <gst/gst.h>

Description

Functions

gst_allocator_find ()

GstAllocator *
gst_allocator_find (const gchar *name);

gst_allocator_register ()

void
gst_allocator_register (const gchar *name,
                        GstAllocator *allocator);

gst_allocator_set_default ()

void
gst_allocator_set_default (GstAllocator *allocator);

gst_allocation_params_init ()

void
gst_allocation_params_init (GstAllocationParams *params);

gst_allocation_params_copy ()

GstAllocationParams *
gst_allocation_params_copy (const GstAllocationParams *params);

gst_allocation_params_free ()

void
gst_allocation_params_free (GstAllocationParams *params);

gst_allocator_alloc ()

GstMemory *
gst_allocator_alloc (GstAllocator *allocator,
                     gsize size,
                     GstAllocationParams *params);

gst_allocator_free ()

void
gst_allocator_free (GstAllocator *allocator,
                    GstMemory *memory);

gst_memory_new_wrapped ()

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

Types and Values

gst_memory_alignment

GST_EXPORT gsize gst_memory_alignment;

GstAllocator

typedef struct {
  GstMemoryMapFunction       mem_map;
  GstMemoryUnmapFunction     mem_unmap;

  GstMemoryCopyFunction      mem_copy;
  GstMemoryShareFunction     mem_share;
  GstMemoryIsSpanFunction    mem_is_span;

  GstMemoryMapFullFunction   mem_map_full;
  GstMemoryUnmapFullFunction mem_unmap_full;
} GstAllocator;

struct GstAllocatorClass

struct GstAllocatorClass {
  GstObjectClass object_class;

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

enum GstAllocatorFlags

Members

GST_ALLOCATOR_FLAG_CUSTOM_ALLOC

   

GST_ALLOCATOR_FLAG_LAST

   

struct GstAllocationParams

struct GstAllocationParams {
  GstMemoryFlags flags;
  gsize          align;
  gsize          prefix;
  gsize          padding;
};

GST_ALLOCATOR_SYSMEM

#define GST_ALLOCATOR_SYSMEM   "SystemMemory"