const GstVideoInfo *
gst_allocator_get_vaapi_video_info (GstAllocator * allocator,
guint * out_flags_ptr)
{
const GstStructure *structure;
const GValue *value;
g_return_val_if_fail (GST_IS_ALLOCATOR (allocator), NULL);
structure =
g_object_get_qdata (G_OBJECT (allocator), GST_VAAPI_VIDEO_INFO_QUARK);
if (!structure)
return NULL;
if (out_flags_ptr) {
value = gst_structure_id_get_value (structure, FLAGS_QUARK);
if (!value)
return NULL;
*out_flags_ptr = g_value_get_uint (value);
}
value = gst_structure_id_get_value (structure, INFO_QUARK);
if (!value)
return NULL;
return g_value_get_boxed (value);
}
/**
* gst_allocator_free:
* @allocator: (transfer none): a #GstAllocator to use
* @memory: (transfer full): the memory to free
*
* Free @memory that was previously allocated with gst_allocator_alloc().
*/
void
gst_allocator_free (GstAllocator * allocator, GstMemory * memory)
{
GstAllocatorClass *aclass;
g_return_if_fail (GST_IS_ALLOCATOR (allocator));
g_return_if_fail (memory != NULL);
g_return_if_fail (memory->allocator == allocator);
aclass = GST_ALLOCATOR_GET_CLASS (allocator);
if (aclass->free)
aclass->free (allocator, memory);
}
gboolean
gst_allocator_set_vaapi_video_info (GstAllocator * allocator,
const GstVideoInfo * vip, guint flags)
{
g_return_val_if_fail (GST_IS_ALLOCATOR (allocator), FALSE);
g_return_val_if_fail (vip != NULL, FALSE);
g_object_set_qdata_full (G_OBJECT (allocator), GST_VAAPI_VIDEO_INFO_QUARK,
gst_structure_new_id (GST_VAAPI_VIDEO_INFO_QUARK,
INFO_QUARK, GST_VAAPI_TYPE_VIDEO_INFO, vip,
FLAGS_QUARK, G_TYPE_UINT, flags, NULL),
(GDestroyNotify) gst_structure_free);
return TRUE;
}
/**
* gst_allocator_set_default:
* @allocator: (transfer full): a #GstAllocator
*
* Set the default allocator. This function takes ownership of @allocator.
*/
void
gst_allocator_set_default (GstAllocator * allocator)
{
GstAllocator *old;
g_return_if_fail (GST_IS_ALLOCATOR (allocator));
g_rw_lock_writer_lock (&lock);
old = _default_allocator;
_default_allocator = allocator;
g_rw_lock_writer_unlock (&lock);
if (old)
gst_object_unref (old);
}