GstVulkanBufferMemory

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

GstVulkanBarrierBufferInfo

Members

parent GstVulkanBarrierMemoryInfo

offset (VkDeviceSize) –

offset into the vulkan buffer to execute the barrier with

size (VkDeviceSize) –

size of memory to execute barrier over

Since : 1.18

GstVulkan.VulkanBarrierBufferInfo

Members

parent GstVulkan.VulkanBarrierMemoryInfo

offset (Vulkan.DeviceSize) –

offset into the vulkan buffer to execute the barrier with

size (Vulkan.DeviceSize) –

size of memory to execute barrier over

Since : 1.18

GstVulkan.VulkanBarrierBufferInfo

Members

parent GstVulkan.VulkanBarrierMemoryInfo

offset (Vulkan.DeviceSize) –

offset into the vulkan buffer to execute the barrier with

size (Vulkan.DeviceSize) –

size of memory to execute barrier over

Since : 1.18

GstVulkanBufferMemory

Members

parent (GstMemory) –

parent GstMemory

device (GstVulkanDevice *) –

the GstVulkanDevice this vulkan buffer is allocated from

buffer (VkBuffer) –

Vulkan buffer object

vk_mem (GstVulkanMemory *) –

backing GstVulkanMemory for buffer

requirements (VkMemoryRequirements) –

allocation requirements for buffer

usage (VkBufferUsageFlags) –

intended usage for buffer

the last set barrier information

Since : 1.18

GstVulkan.VulkanBufferMemory

Members

parent (Gst.Memory) –

parent Gst.Memory

device (GstVulkan.VulkanDevice) –

the GstVulkan.VulkanDevice this vulkan buffer is allocated from

buffer (Vulkan.Buffer) –

Vulkan buffer object

vk_mem (GstVulkan.VulkanMemory) –

backing GstVulkan.VulkanMemory for buffer

requirements (Vulkan.MemoryRequirements) –

allocation requirements for buffer

usage (Vulkan.BufferUsageFlags) –

intended usage for buffer

the last set barrier information

Since : 1.18

GstVulkan.VulkanBufferMemory

Members

parent (Gst.Memory) –

parent Gst.Memory

device (GstVulkan.VulkanDevice) –

the GstVulkan.VulkanDevice this vulkan buffer is allocated from

buffer (Vulkan.Buffer) –

Vulkan buffer object

vk_mem (GstVulkan.VulkanMemory) –

backing GstVulkan.VulkanMemory for buffer

requirements (Vulkan.MemoryRequirements) –

allocation requirements for buffer

usage (Vulkan.BufferUsageFlags) –

intended usage for buffer

the last set barrier information

Since : 1.18

Functions

gst_vulkan_buffer_memory_alloc 

GstMemory *
gst_vulkan_buffer_memory_alloc (GstVulkanDevice * device,
                                gsize size,
                                VkBufferUsageFlags usage,
                                VkMemoryPropertyFlags mem_prop_flags)

Allocate a new GstVulkanBufferMemory.

Parameters:

device –

a GstVulkanDevice

size –

size of the new buffer

usage –

buffer usage flags

mem_prop_flags –

memory properties flags for the backing memory

Returns ( [transfer: full]) –

a GstMemory object backed by a vulkan buffer backed by vulkan device memory

Since : 1.18

GstVulkan.VulkanBufferMemory.prototype.alloc 

function GstVulkan.VulkanBufferMemory.prototype.alloc(device: GstVulkan.VulkanDevice, size: Number, usage: Vulkan.BufferUsageFlags, mem_prop_flags: Vulkan.MemoryPropertyFlags): {
    // javascript wrapper for 'gst_vulkan_buffer_memory_alloc'
}

Allocate a new GstVulkan.VulkanBufferMemory.

Parameters:

device (GstVulkan.VulkanDevice) –

a GstVulkan.VulkanDevice

size (Number) –

size of the new buffer

usage (Vulkan.BufferUsageFlags) –

buffer usage flags

mem_prop_flags (Vulkan.MemoryPropertyFlags) –

memory properties flags for the backing memory

Returns (Gst.Memory) –

a Gst.Memory object backed by a vulkan buffer backed by vulkan device memory

Since : 1.18

GstVulkan.VulkanBufferMemory.alloc 

def GstVulkan.VulkanBufferMemory.alloc (device, size, usage, mem_prop_flags):
    #python wrapper for 'gst_vulkan_buffer_memory_alloc'

Allocate a new GstVulkan.VulkanBufferMemory.

Parameters:

device (GstVulkan.VulkanDevice) –

a GstVulkan.VulkanDevice

size (int) –

size of the new buffer

usage (Vulkan.BufferUsageFlags) –

buffer usage flags

mem_prop_flags (Vulkan.MemoryPropertyFlags) –

memory properties flags for the backing memory

Returns (Gst.Memory) –

a Gst.Memory object backed by a vulkan buffer backed by vulkan device memory

Since : 1.18

gst_vulkan_buffer_memory_alloc_with_buffer_info 

GstMemory *
gst_vulkan_buffer_memory_alloc_with_buffer_info (GstVulkanDevice * device,
                                                 const VkBufferCreateInfo* buffer_info,
                                                 VkMemoryPropertyFlags mem_prop_flags)

Allocate a new GstVulkanBufferMemory.

Parameters:

device –

a GstVulkanDevice

buffer_info –

the VkBufferCreateInfo structure

mem_prop_flags –

memory properties flags for the backing memory

Returns ( [transfer: full]) –

a GstMemory object backed by a vulkan buffer backed by vulkan device memory

Since : 1.24

GstVulkan.VulkanBufferMemory.prototype.alloc_with_buffer_info 

function GstVulkan.VulkanBufferMemory.prototype.alloc_with_buffer_info(device: GstVulkan.VulkanDevice, buffer_info: Vulkan.BufferCreateInfo, mem_prop_flags: Vulkan.MemoryPropertyFlags): {
    // javascript wrapper for 'gst_vulkan_buffer_memory_alloc_with_buffer_info'
}

Allocate a new GstVulkan.VulkanBufferMemory.

Parameters:

device (GstVulkan.VulkanDevice) –

a GstVulkan.VulkanDevice

buffer_info (Vulkan.BufferCreateInfo) –

the VkBufferCreateInfo structure

mem_prop_flags (Vulkan.MemoryPropertyFlags) –

memory properties flags for the backing memory

Returns (Gst.Memory) –

a Gst.Memory object backed by a vulkan buffer backed by vulkan device memory

Since : 1.24

GstVulkan.VulkanBufferMemory.alloc_with_buffer_info 

def GstVulkan.VulkanBufferMemory.alloc_with_buffer_info (device, buffer_info, mem_prop_flags):
    #python wrapper for 'gst_vulkan_buffer_memory_alloc_with_buffer_info'

Allocate a new GstVulkan.VulkanBufferMemory.

Parameters:

device (GstVulkan.VulkanDevice) –

a GstVulkan.VulkanDevice

buffer_info (Vulkan.BufferCreateInfo) –

the VkBufferCreateInfo structure

mem_prop_flags (Vulkan.MemoryPropertyFlags) –

memory properties flags for the backing memory

Returns (Gst.Memory) –

a Gst.Memory object backed by a vulkan buffer backed by vulkan device memory

Since : 1.24

gst_vulkan_buffer_memory_init_once 

gst_vulkan_buffer_memory_init_once ()

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

Since : 1.18

GstVulkan.VulkanBufferMemory.prototype.init_once 

function GstVulkan.VulkanBufferMemory.prototype.init_once(): {
    // javascript wrapper for 'gst_vulkan_buffer_memory_init_once'
}

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

Since : 1.18

GstVulkan.VulkanBufferMemory.init_once 

def GstVulkan.VulkanBufferMemory.init_once ():
    #python wrapper for 'gst_vulkan_buffer_memory_init_once'

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

Since : 1.18

gst_vulkan_buffer_memory_wrapped 

GstMemory *
gst_vulkan_buffer_memory_wrapped (GstVulkanDevice * device,
                                  VkBuffer buffer,
                                  VkBufferUsageFlags usage,
                                  gpointer user_data,
                                  GDestroyNotify notify)

Allocated a new wrapped GstVulkanBufferMemory with buffer.

Parameters:

device –

a GstVulkanDevice

buffer –

a VkBuffer

usage –

usage flags of buffer

user_data ( [allow-none]) –

user data to call notify with

notify ( [allow-none]) –

a GDestroyNotify called when buffer is no longer in use

Returns ( [transfer: full]) –

a GstMemory object backed by a vulkan device memory

Since : 1.18

GstVulkan.VulkanBufferMemory.prototype.wrapped 

function GstVulkan.VulkanBufferMemory.prototype.wrapped(device: GstVulkan.VulkanDevice, buffer: Vulkan.Buffer, usage: Vulkan.BufferUsageFlags, user_data: Object, notify: GLib.DestroyNotify): {
    // javascript wrapper for 'gst_vulkan_buffer_memory_wrapped'
}

Allocated a new wrapped GstVulkan.VulkanBufferMemory with buffer.

Parameters:

device (GstVulkan.VulkanDevice) –

a GstVulkan.VulkanDevice

buffer (Vulkan.Buffer) –

a VkBuffer

usage (Vulkan.BufferUsageFlags) –

usage flags of buffer

user_data (Object) –

user data to call notify with

notify (GLib.DestroyNotify) –

a GLib.DestroyNotify called when buffer is no longer in use

Returns (Gst.Memory) –

a Gst.Memory object backed by a vulkan device memory

Since : 1.18

GstVulkan.VulkanBufferMemory.wrapped 

def GstVulkan.VulkanBufferMemory.wrapped (device, buffer, usage, user_data, notify):
    #python wrapper for 'gst_vulkan_buffer_memory_wrapped'

Allocated a new wrapped GstVulkan.VulkanBufferMemory with buffer.

Parameters:

device (GstVulkan.VulkanDevice) –

a GstVulkan.VulkanDevice

buffer (Vulkan.Buffer) –

a VkBuffer

usage (Vulkan.BufferUsageFlags) –

usage flags of buffer

user_data (object) –

user data to call notify with

notify (GLib.DestroyNotify) –

a GLib.DestroyNotify called when buffer is no longer in use

Returns (Gst.Memory) –

a Gst.Memory object backed by a vulkan device memory

Since : 1.18

GstVulkanBufferMemoryAllocator 

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstAllocator
                ╰──GstVulkanBufferMemoryAllocator

Opaque GstVulkanBufferMemoryAllocator struct

Members

parent (GstAllocator) –

the parent GstAllocator

Since : 1.18

Class structure

GstVulkanBufferMemoryAllocatorClass

The GstVulkanBufferMemoryAllocatorClass only contains private data

Fields
parent_class (GstAllocatorClass) –

the parent GstAllocatorClass

Since : 1.18

GstVulkan.VulkanBufferMemoryAllocatorClass

The GstVulkan.VulkanBufferMemoryAllocatorClass only contains private data

Attributes
parent_class (Gst.AllocatorClass) –

the parent Gst.AllocatorClass

Since : 1.18

GstVulkan.VulkanBufferMemoryAllocatorClass

The GstVulkan.VulkanBufferMemoryAllocatorClass only contains private data

Attributes
parent_class (Gst.AllocatorClass) –

the parent Gst.AllocatorClass

Since : 1.18

GstVulkan.VulkanBufferMemoryAllocator 

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

Opaque GstVulkan.VulkanBufferMemoryAllocator struct

Members

parent (Gst.Allocator) –

the parent Gst.Allocator

Since : 1.18

GstVulkan.VulkanBufferMemoryAllocator 

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

Opaque GstVulkan.VulkanBufferMemoryAllocator struct

Members

parent (Gst.Allocator) –

the parent Gst.Allocator

Since : 1.18

Functions

gst_is_vulkan_buffer_memory 

gboolean
gst_is_vulkan_buffer_memory (GstMemory * mem)

Parameters:

mem –

a GstMemory

Returns –

whether the memory at mem is a GstVulkanBufferMemory

Since : 1.18

GstVulkan.prototype.is_vulkan_buffer_memory 

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

Parameters:

mem (Gst.Memory) –

a Gst.Memory

Returns (Number) –

whether the memory at mem is a GstVulkan.VulkanBufferMemory

Since : 1.18

GstVulkan.is_vulkan_buffer_memory 

def GstVulkan.is_vulkan_buffer_memory (mem):
    #python wrapper for 'gst_is_vulkan_buffer_memory'

Parameters:

mem (Gst.Memory) –

a Gst.Memory

Returns (bool) –

whether the memory at mem is a GstVulkan.VulkanBufferMemory

Since : 1.18

Function Macros

GST_VULKAN_BUFFER_MEMORY_ALLOCATOR_CAST 

#define GST_VULKAN_BUFFER_MEMORY_ALLOCATOR_CAST(obj)            ((GstVulkanBufferMemoryAllocator *)(obj))

Since : 1.18

Constants

GST_CAPS_FEATURE_MEMORY_VULKAN_BUFFER 

#define GST_CAPS_FEATURE_MEMORY_VULKAN_BUFFER "memory:VulkanBuffer"

Since : 1.18

GstVulkan.CAPS_FEATURE_MEMORY_VULKAN_BUFFER

Since : 1.18

GstVulkan.CAPS_FEATURE_MEMORY_VULKAN_BUFFER

Since : 1.18

GST_VULKAN_BUFFER_MEMORY_ALLOCATOR_NAME 

#define GST_VULKAN_BUFFER_MEMORY_ALLOCATOR_NAME "VulkanBuffer"

Since : 1.18

GstVulkan.VULKAN_BUFFER_MEMORY_ALLOCATOR_NAME

Since : 1.18

GstVulkan.VULKAN_BUFFER_MEMORY_ALLOCATOR_NAME

Since : 1.18

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