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videopool: add support for custom allocators

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This commit is contained in:
Wim Taymans 2011-12-25 18:07:10 +01:00
parent 862d9f741e
commit 8d93f8edb3
2 changed files with 42 additions and 3 deletions
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38
gst-libs/gst/video/gstvideopool.c
View file

@ -138,6 +138,7 @@ gst_video_info_align (GstVideoInfo * info, GstVideoAlignment * align)
/* bufferpool */
struct _GstVideoBufferPoolPrivate
{
const GstAllocator *allocator;
GstCaps *caps;
GstVideoInfo info;
GstVideoAlignment video_align;
@ -249,7 +250,9 @@ video_buffer_pool_alloc (GstBufferPool * pool, GstBuffer ** buffer,
GST_DEBUG_OBJECT (pool, "alloc %u", info->size);
mem = gst_allocator_alloc (NULL, info->size + priv->prefix, priv->align);
mem =
gst_allocator_alloc (priv->allocator, info->size + priv->prefix,
priv->align);
if (mem == NULL)
goto no_memory;
@ -329,3 +332,36 @@ gst_video_buffer_pool_finalize (GObject * object)
G_OBJECT_CLASS (gst_video_buffer_pool_parent_class)->finalize (object);
}
/**
* gst_video_buffer_pool_get_allocator:
* @pool: a #GstVideoBufferPool
*
* Get the allocator used by @pool to allocate the video memory.
*
* Returns: the allocator used for allocating video memory
*/
const GstAllocator *
gst_video_buffer_pool_get_allocator (GstVideoBufferPool * pool)
{
g_return_val_if_fail (GST_IS_VIDEO_BUFFER_POOL (pool), NULL);
return pool->priv->allocator;
}
/**
* gst_video_buffer_pool_set_allocator:
* @pool: a #GstVideoBufferPool
* @allocator: a #GstAllocator
*
* Set the allocator used to allocate video memory in @pool. The allocator
* should only be changed by subclasses.
*/
void
gst_video_buffer_pool_set_allocator (GstVideoBufferPool * pool,
const GstAllocator * allocator)
{
g_return_if_fail (GST_IS_VIDEO_BUFFER_POOL (pool));
pool->priv->allocator = allocator;
}

7
gst-libs/gst/video/gstvideopool.h
View file

@ -93,10 +93,13 @@ struct _GstVideoBufferPoolClass
GstBufferPoolClass parent_class;
};
GType gst_video_buffer_pool_get_type (void);
GType gst_video_buffer_pool_get_type (void);
GstBufferPool * gst_video_buffer_pool_new (void);
GstBufferPool * gst_video_buffer_pool_new (void);
const GstAllocator * gst_video_buffer_pool_get_allocator (GstVideoBufferPool *pool);
void gst_video_buffer_pool_set_allocator (GstVideoBufferPool *pool,
const GstAllocator *allocator);
G_END_DECLS