GstVulkanMemory

GstVulkanMemory is a GstMemory subclass providing support for the mapping of Vulkan device memory.

GstVulkanMemory

Members

mem (GstMemory) –

the parent GstMemory

device (GstVulkanDevice *) –

the GstVulkanDevice this memory is allocated from

mem_ptr (VkDeviceMemory) –

the vulkan memory handle

lock (GMutex) –

lock for accessing/changing memory informat

map_count (guint) –

number of times this memory is mapped

mapping (gpointer) –

internal pointer to already mapped memory

Since : 1.18

GstVulkan.VulkanMemory

Members

mem (Gst.Memory) –

the parent Gst.Memory

device (GstVulkan.VulkanDevice) –

the GstVulkan.VulkanDevice this memory is allocated from

mem_ptr (Vulkan.DeviceMemory) –

the vulkan memory handle

lock (GLib.Mutex) –

lock for accessing/changing memory informat

map_count (Number) –

number of times this memory is mapped

mapping (Object) –

internal pointer to already mapped memory

Since : 1.18

GstVulkan.VulkanMemory

Members

mem (Gst.Memory) –

the parent Gst.Memory

device (GstVulkan.VulkanDevice) –

the GstVulkan.VulkanDevice this memory is allocated from

mem_ptr (Vulkan.DeviceMemory) –

the vulkan memory handle

lock (GLib.Mutex) –

lock for accessing/changing memory informat

map_count (int) –

number of times this memory is mapped

mapping (object) –

internal pointer to already mapped memory

Since : 1.18

Functions

gst_vulkan_memory_alloc 

GstMemory *
gst_vulkan_memory_alloc (GstVulkanDevice * device,
                         guint32 memory_type_index,
                         GstAllocationParams * params,
                         gsize size,
                         VkMemoryPropertyFlags mem_prop_flags)

Allocated a new GstVulkanMemory.

Parameters:

device –

a GstVulkanDevice

memory_type_index –

the Vulkan memory type index

params –

a GstAllocationParams

size –

the size to allocate

mem_prop_flags –
No description available
Returns –

a GstMemory object backed by a vulkan device memory

Since : 1.18

GstVulkan.VulkanMemory.prototype.alloc 

function GstVulkan.VulkanMemory.prototype.alloc(device: GstVulkan.VulkanDevice, memory_type_index: Number, params: Gst.AllocationParams, size: Number, mem_prop_flags: Vulkan.MemoryPropertyFlags): {
    // javascript wrapper for 'gst_vulkan_memory_alloc'
}

Allocated a new GstVulkan.VulkanMemory.

Parameters:

device (GstVulkan.VulkanDevice) –

a GstVulkan.VulkanDevice

memory_type_index (Number) –

the Vulkan memory type index

params (Gst.AllocationParams) –

a Gst.AllocationParams

size (Number) –

the size to allocate

mem_prop_flags (Vulkan.MemoryPropertyFlags) –
No description available
Returns (Gst.Memory) –

a Gst.Memory object backed by a vulkan device memory

Since : 1.18

GstVulkan.VulkanMemory.alloc 

def GstVulkan.VulkanMemory.alloc (device, memory_type_index, params, size, mem_prop_flags):
    #python wrapper for 'gst_vulkan_memory_alloc'

Allocated a new GstVulkan.VulkanMemory.

Parameters:

device (GstVulkan.VulkanDevice) –

a GstVulkan.VulkanDevice

memory_type_index (int) –

the Vulkan memory type index

params (Gst.AllocationParams) –

a Gst.AllocationParams

size (int) –

the size to allocate

mem_prop_flags (Vulkan.MemoryPropertyFlags) –
No description available
Returns (Gst.Memory) –

a Gst.Memory object backed by a vulkan device memory

Since : 1.18

gst_vulkan_memory_find_memory_type_index_with_requirements 

gboolean
gst_vulkan_memory_find_memory_type_index_with_requirements (GstVulkanDevice * device,
                                                            const VkMemoryRequirements* req,
                                                            VkMemoryPropertyFlags properties,
                                                            guint32 * type_index)

Parameters:

device –

a GstVulkanDevice

req –

memory requirements to look for

properties –

memory properties to search for

type_index ( [out]) –

resulting index of the memory type

Returns –

whether a valid memory type could be found

Since : 1.24

GstVulkan.VulkanMemory.prototype.find_memory_type_index_with_requirements 

function GstVulkan.VulkanMemory.prototype.find_memory_type_index_with_requirements(device: GstVulkan.VulkanDevice, req: Vulkan.MemoryRequirements, properties: Vulkan.MemoryPropertyFlags): {
    // javascript wrapper for 'gst_vulkan_memory_find_memory_type_index_with_requirements'
}

Parameters:

device (GstVulkan.VulkanDevice) –

a GstVulkan.VulkanDevice

req (Vulkan.MemoryRequirements) –

memory requirements to look for

properties (Vulkan.MemoryPropertyFlags) –

memory properties to search for

Returns a tuple made of:

(Number ) –

whether a valid memory type could be found

type_index (Number ) –

whether a valid memory type could be found

Since : 1.24

GstVulkan.VulkanMemory.find_memory_type_index_with_requirements 

def GstVulkan.VulkanMemory.find_memory_type_index_with_requirements (device, req, properties):
    #python wrapper for 'gst_vulkan_memory_find_memory_type_index_with_requirements'

Parameters:

device (GstVulkan.VulkanDevice) –

a GstVulkan.VulkanDevice

req (Vulkan.MemoryRequirements) –

memory requirements to look for

properties (Vulkan.MemoryPropertyFlags) –

memory properties to search for

Returns a tuple made of:

(bool ) –

whether a valid memory type could be found

type_index (int ) –

whether a valid memory type could be found

Since : 1.24

gst_vulkan_memory_heap_flags_to_string 

gchar *
gst_vulkan_memory_heap_flags_to_string (VkMemoryHeapFlags prop_bits)

Parameters:

prop_bits –
No description available
Returns –
No description available

Since : 1.18

GstVulkan.VulkanMemory.prototype.heap_flags_to_string 

function GstVulkan.VulkanMemory.prototype.heap_flags_to_string(prop_bits: Vulkan.MemoryHeapFlags): {
    // javascript wrapper for 'gst_vulkan_memory_heap_flags_to_string'
}

Parameters:

prop_bits (Vulkan.MemoryHeapFlags) –
No description available
Returns (String) –
No description available

Since : 1.18

GstVulkan.VulkanMemory.heap_flags_to_string 

def GstVulkan.VulkanMemory.heap_flags_to_string (prop_bits):
    #python wrapper for 'gst_vulkan_memory_heap_flags_to_string'

Parameters:

prop_bits (Vulkan.MemoryHeapFlags) –
No description available
Returns (str) –
No description available

Since : 1.18

gst_vulkan_memory_init_once 

gst_vulkan_memory_init_once ()

Initializes the Vulkan memory allocator. It is safe to call this function multiple times. This must be called before any other GstVulkanMemory operation.

Since : 1.18

GstVulkan.VulkanMemory.prototype.init_once 

function GstVulkan.VulkanMemory.prototype.init_once(): {
    // javascript wrapper for 'gst_vulkan_memory_init_once'
}

Initializes the Vulkan memory allocator. It is safe to call this function multiple times. This must be called before any other GstVulkan.VulkanMemory operation.

Since : 1.18

GstVulkan.VulkanMemory.init_once 

def GstVulkan.VulkanMemory.init_once ():
    #python wrapper for 'gst_vulkan_memory_init_once'

Initializes the Vulkan memory allocator. It is safe to call this function multiple times. This must be called before any other GstVulkan.VulkanMemory operation.

Since : 1.18

gst_vulkan_memory_property_flags_to_string 

gchar *
gst_vulkan_memory_property_flags_to_string (VkMemoryPropertyFlags prop_bits)

Parameters:

prop_bits –
No description available
Returns –
No description available

Since : 1.18

GstVulkan.VulkanMemory.prototype.property_flags_to_string 

function GstVulkan.VulkanMemory.prototype.property_flags_to_string(prop_bits: Vulkan.MemoryPropertyFlags): {
    // javascript wrapper for 'gst_vulkan_memory_property_flags_to_string'
}

Parameters:

prop_bits (Vulkan.MemoryPropertyFlags) –
No description available
Returns (String) –
No description available

Since : 1.18

GstVulkan.VulkanMemory.property_flags_to_string 

def GstVulkan.VulkanMemory.property_flags_to_string (prop_bits):
    #python wrapper for 'gst_vulkan_memory_property_flags_to_string'

Parameters:

prop_bits (Vulkan.MemoryPropertyFlags) –
No description available
Returns (str) –
No description available

Since : 1.18

GstVulkanMemoryAllocator 

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstAllocator
                ╰──GstVulkanMemoryAllocator

Opaque GstVulkanMemoryAllocator struct

Members

parent (GstAllocator) –

the parent GstAllocator

Since : 1.18

Class structure

GstVulkanMemoryAllocatorClass

The GstVulkanMemoryAllocatorClass only contains private data

Fields
parent_class (GstAllocatorClass) –

the parent GstAllocatorClass

Since : 1.18

GstVulkan.VulkanMemoryAllocatorClass

The GstVulkan.VulkanMemoryAllocatorClass only contains private data

Attributes
parent_class (Gst.AllocatorClass) –

the parent Gst.AllocatorClass

Since : 1.18

GstVulkan.VulkanMemoryAllocatorClass

The GstVulkan.VulkanMemoryAllocatorClass only contains private data

Attributes
parent_class (Gst.AllocatorClass) –

the parent Gst.AllocatorClass

Since : 1.18

GstVulkan.VulkanMemoryAllocator 

GObject.Object
    ╰──GObject.InitiallyUnowned
        ╰──Gst.Object
            ╰──Gst.Allocator
                ╰──GstVulkan.VulkanMemoryAllocator

Opaque GstVulkan.VulkanMemoryAllocator struct

Members

parent (Gst.Allocator) –

the parent Gst.Allocator

Since : 1.18

GstVulkan.VulkanMemoryAllocator 

GObject.Object
    ╰──GObject.InitiallyUnowned
        ╰──Gst.Object
            ╰──Gst.Allocator
                ╰──GstVulkan.VulkanMemoryAllocator

Opaque GstVulkan.VulkanMemoryAllocator struct

Members

parent (Gst.Allocator) –

the parent Gst.Allocator

Since : 1.18

Functions

gst_is_vulkan_memory 

gboolean
gst_is_vulkan_memory (GstMemory * mem)

Parameters:

mem –

a GstMemory

Returns –

whether the memory at mem is a GstVulkanMemory

Since : 1.18

GstVulkan.prototype.is_vulkan_memory 

function GstVulkan.prototype.is_vulkan_memory(mem: Gst.Memory): {
    // javascript wrapper for 'gst_is_vulkan_memory'
}

Parameters:

mem (Gst.Memory) –

a Gst.Memory

Returns (Number) –

whether the memory at mem is a GstVulkan.VulkanMemory

Since : 1.18

GstVulkan.is_vulkan_memory 

def GstVulkan.is_vulkan_memory (mem):
    #python wrapper for 'gst_is_vulkan_memory'

Parameters:

mem (Gst.Memory) –

a Gst.Memory

Returns (bool) –

whether the memory at mem is a GstVulkan.VulkanMemory

Since : 1.18

Function Macros

GST_VULKAN_MEMORY_ALLOCATOR_CAST 

#define GST_VULKAN_MEMORY_ALLOCATOR_CAST(obj)            ((GstVulkanMemoryAllocator *)(obj))

Since : 1.18

Constants

GST_VULKAN_MEMORY_ALLOCATOR_NAME 

#define GST_VULKAN_MEMORY_ALLOCATOR_NAME "Vulkan"

Since : 1.18

GstVulkan.VULKAN_MEMORY_ALLOCATOR_NAME

Since : 1.18

GstVulkan.VULKAN_MEMORY_ALLOCATOR_NAME

Since : 1.18

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