Callbacks

	VulkanDeviceForEachQueueFunc (device, queue, *user_data)
	VulkanHandleDestroyNotify (handle, *user_data)
	VulkanImageMemoryFindViewFunc (view, *user_data)
	VulkanTrashListAdd (trash_list, trash)
	VulkanTrashListGC (trash_list)
	VulkanTrashListWait (trash_list, timeout)
	VulkanTrashNotify (device, *user_data)

Details

GstVulkan.VulkanDeviceForEachQueueFunc(device, queue, *user_data)

Parameters:

• device (GstVulkan.VulkanDevice) –

• queue (GstVulkan.VulkanQueue) –

• user_data (object or None) –

Return type:

bool

New in version 1.18.

GstVulkan.VulkanHandleDestroyNotify(handle, *user_data)

Parameters:

• handle (GstVulkan.VulkanHandle) – the GstVulkan.VulkanHandle

• user_data (object or None) – callback user data

Function definition called when the GstVulkan.VulkanHandle is no longer in use. All implementations of this callback must free the internal handle stored inside handle.

New in version 1.18.

GstVulkan.VulkanImageMemoryFindViewFunc(view, *user_data)

Parameters:

• view (GstVulkan.VulkanImageView) –

• user_data (object or None) –

Return type:

bool

Function definition used to find views. Return True if view matches the criteria.

New in version 1.18.

GstVulkan.VulkanTrashListAdd(trash_list, trash)

Parameters:

• trash_list (GstVulkan.VulkanTrashList) – the GstVulkan.VulkanTrashList instance

• trash (GstVulkan.VulkanTrash) – the GstVulkan.VulkanTrash to add to trash_list

Returns:

whether trash could be added to trash_list

Return type:

bool

Add trash to trash_list for tracking

New in version 1.18.

GstVulkan.VulkanTrashListGC(trash_list)

Parameters:

trash_list (GstVulkan.VulkanTrashList) – the GstVulkan.VulkanTrashList instance

Remove any memory allocated by any signalled objects.

New in version 1.18.

GstVulkan.VulkanTrashListWait(trash_list, timeout)

Parameters:

• trash_list (GstVulkan.VulkanTrashList) – the GstVulkan.VulkanTrashList instance

• timeout (int) – the timeout in ns to wait

Returns:

whether all objects were signalled and freed within the timeout

Return type:

bool

Wait for a most timeout to pass for all GstVulkan.VulkanTrash objects to be signalled and freed.

New in version 1.18.

GstVulkan.VulkanTrashNotify(device, *user_data)

Parameters:

• device (GstVulkan.VulkanDevice) – the GstVulkan.VulkanDevice

• user_data (object or None) – user data

New in version 1.18.