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memory: add memory type

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Add memory type when registering memory allocators. Add getter for the memory
type.
This commit is contained in:
Wim Taymans 2012-01-30 15:57:39 +01:00
parent dad60ef5c6
commit 16d9a9efbe
2 changed files with 43 additions and 22 deletions
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17
gst/gstmemory.c
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@ -320,6 +320,7 @@ void
_priv_gst_memory_initialize (void)
{
static const GstMemoryInfo _mem_info = {
GST_ALLOCATOR_SYSMEM,
(GstAllocatorAllocFunction) _default_alloc_alloc,
(GstMemoryMapFunction) _default_mem_map,
(GstMemoryUnmapFunction) _default_mem_unmap,
@ -779,6 +780,22 @@ gst_allocator_new (const GstMemoryInfo * info, gpointer user_data,
return allocator;
}
/**
* gst_alocator_get_memory_type:
* @allocator: a #GstAllocator
*
* Get the memory type allocated by this allocator
*
* Returns: @allocator with increased refcount
*/
const gchar *
gst_allocator_get_memory_type (GstAllocator * allocator)
{
g_return_val_if_fail (allocator != NULL, NULL);
return allocator->info.mem_type;
}
/**
* gst_alocator_ref:
* @allocator: a #GstAllocator

4
gst/gstmemory.h
View file

@ -232,6 +232,7 @@ typedef gboolean (*GstMemoryIsSpanFunction) (GstMemory *mem1, GstMemory *m
/**
* GstMemoryInfo:
* @type: the memory type this allocator provides
* @alloc: the implementation of the GstAllocatorAllocFunction
* @mem_map: the implementation of the GstMemoryMapFunction
* @mem_unmap: the implementation of the GstMemoryUnmapFunction
@ -244,6 +245,8 @@ typedef gboolean (*GstMemoryIsSpanFunction) (GstMemory *mem1, GstMemory *m
* the implementations for various memory operations.
*/
struct _GstMemoryInfo {
const gchar *mem_type;
GstAllocatorAllocFunction alloc;
GstMemoryMapFunction mem_map;
@ -261,6 +264,7 @@ struct _GstMemoryInfo {
/* allocators */
GstAllocator * gst_allocator_new (const GstMemoryInfo * info,
gpointer user_data, GDestroyNotify notify);
const gchar * gst_allocator_get_memory_type (GstAllocator * allocator);
GstAllocator * gst_allocator_ref (GstAllocator * allocator);
void gst_allocator_unref (GstAllocator * allocator);