GstVulkanImageMemory

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

GstVulkanBarrierImageInfo

Members

parent GstVulkanBarrierMemoryInfo

image_layout (VkImageLayout) –

the image layout of this barrier

subresource_range (VkImageSubresourceRange) –

what subresource the barrier applies to

GstVulkan.VulkanBarrierImageInfo

Members

parent GstVulkan.VulkanBarrierMemoryInfo

image_layout (Vulkan.ImageLayout) –

the image layout of this barrier

subresource_range (Vulkan.ImageSubresourceRange) –

what subresource the barrier applies to

GstVulkan.VulkanBarrierImageInfo

Members

parent GstVulkan.VulkanBarrierMemoryInfo

image_layout (Vulkan.ImageLayout) –

the image layout of this barrier

subresource_range (Vulkan.ImageSubresourceRange) –

what subresource the barrier applies to

GstVulkanImageMemory

Members

parent (GstMemory) –

parent GstMemory

device (GstVulkanDevice *) –

the GstVulkanDevice to allocate images from

image (VkImage) –

the Vulkan image handle

vk_mem (GstVulkanMemory *) –

the backing GstVulkanMemory for image

create_info (VkImageCreateInfo) –

creation information for image

requirements (VkMemoryRequirements) –

memory requirements for image

format_properties (VkImageFormatProperties) –

format properties

usage (VkImageUsageFlags) –

intended usage for image

last set barrier for image

GstVulkan.VulkanImageMemory

Members

parent (Gst.Memory) –

parent Gst.Memory

device (GstVulkan.VulkanDevice) –

the GstVulkan.VulkanDevice to allocate images from

image (Vulkan.Image) –

the Vulkan image handle

vk_mem (GstVulkan.VulkanMemory) –

the backing GstVulkan.VulkanMemory for image

create_info (Vulkan.ImageCreateInfo) –

creation information for image

requirements (Vulkan.MemoryRequirements) –

memory requirements for image

format_properties (Vulkan.ImageFormatProperties) –

format properties

usage (Vulkan.ImageUsageFlags) –

intended usage for image

last set barrier for image

GstVulkan.VulkanImageMemory

Members

parent (Gst.Memory) –

parent Gst.Memory

device (GstVulkan.VulkanDevice) –

the GstVulkan.VulkanDevice to allocate images from

image (Vulkan.Image) –

the Vulkan image handle

vk_mem (GstVulkan.VulkanMemory) –

the backing GstVulkan.VulkanMemory for image

create_info (Vulkan.ImageCreateInfo) –

creation information for image

requirements (Vulkan.MemoryRequirements) –

memory requirements for image

format_properties (Vulkan.ImageFormatProperties) –

format properties

usage (Vulkan.ImageUsageFlags) –

intended usage for image

last set barrier for image

Methods

gst_vulkan_image_memory_add_view 

gst_vulkan_image_memory_add_view (GstVulkanImageMemory * image,
                                  GstVulkanImageView * view)

Parameters:

image –

a GstVulkanImageMemory

view –

a GstVulkanImageView

Since : 1.18

GstVulkan.VulkanImageMemory.prototype.add_view 

function GstVulkan.VulkanImageMemory.prototype.add_view(view: GstVulkan.VulkanImageView): {
    // javascript wrapper for 'gst_vulkan_image_memory_add_view'
}

Parameters:

a GstVulkan.VulkanImageMemory

a GstVulkan.VulkanImageView

Since : 1.18

GstVulkan.VulkanImageMemory.add_view 

def GstVulkan.VulkanImageMemory.add_view (self, view):
    #python wrapper for 'gst_vulkan_image_memory_add_view'

Parameters:

a GstVulkan.VulkanImageMemory

a GstVulkan.VulkanImageView

Since : 1.18

gst_vulkan_image_memory_find_view 

GstVulkanImageView *
gst_vulkan_image_memory_find_view (GstVulkanImageMemory * image,
                                   GstVulkanImageMemoryFindViewFunc find_func,
                                   gpointer user_data)

Return: (transfer full): the first GstVulkanImageView that find_func returns TRUE for, or NULL

Parameters:

image –

a GstVulkanImageMemory

find_func ( [scope call] ) –

GstVulkanImageMemoryFindViewFunc to search with

user_data –

user data to call finc_func with

Returns –
No description available

Since : 1.18

GstVulkan.VulkanImageMemory.prototype.find_view 

function GstVulkan.VulkanImageMemory.prototype.find_view(find_func: GstVulkan.VulkanImageMemoryFindViewFunc, user_data: Object): {
    // javascript wrapper for 'gst_vulkan_image_memory_find_view'
}

Return: (transfer full): the first GstVulkan.VulkanImageView that find_func returns true for, or null

Parameters:

a GstVulkan.VulkanImageMemory

GstVulkan.VulkanImageMemoryFindViewFunc to search with

user_data ( Object ) –

user data to call finc_func with

Returns ( GstVulkan.VulkanImageView ) –
No description available

Since : 1.18

GstVulkan.VulkanImageMemory.find_view 

def GstVulkan.VulkanImageMemory.find_view (self, find_func, *user_data):
    #python wrapper for 'gst_vulkan_image_memory_find_view'

Return: (transfer full): the first GstVulkan.VulkanImageView that find_func returns True for, or None

Parameters:

a GstVulkan.VulkanImageMemory

GstVulkan.VulkanImageMemoryFindViewFunc to search with

user_data ( variadic ) –

user data to call finc_func with

Returns ( GstVulkan.VulkanImageView ) –
No description available

Since : 1.18

gst_vulkan_image_memory_get_height 

guint32
gst_vulkan_image_memory_get_height (GstVulkanImageMemory * image)

Return: the height of image

Parameters:

image –

a GstVulkanImageMemory

Returns –
No description available

Since : 1.18

GstVulkan.VulkanImageMemory.prototype.get_height 

function GstVulkan.VulkanImageMemory.prototype.get_height(): {
    // javascript wrapper for 'gst_vulkan_image_memory_get_height'
}

Return: the height of image

Parameters:

a GstVulkan.VulkanImageMemory

Returns ( Number ) –
No description available

Since : 1.18

GstVulkan.VulkanImageMemory.get_height 

def GstVulkan.VulkanImageMemory.get_height (self):
    #python wrapper for 'gst_vulkan_image_memory_get_height'

Return: the height of image

Parameters:

a GstVulkan.VulkanImageMemory

Returns ( int ) –
No description available

Since : 1.18

gst_vulkan_image_memory_get_width 

guint32
gst_vulkan_image_memory_get_width (GstVulkanImageMemory * image)

Return: the width of image

Parameters:

image –

a GstVulkanImageMemory

Returns –
No description available

Since : 1.18

GstVulkan.VulkanImageMemory.prototype.get_width 

function GstVulkan.VulkanImageMemory.prototype.get_width(): {
    // javascript wrapper for 'gst_vulkan_image_memory_get_width'
}

Return: the width of image

Parameters:

a GstVulkan.VulkanImageMemory

Returns ( Number ) –
No description available

Since : 1.18

GstVulkan.VulkanImageMemory.get_width 

def GstVulkan.VulkanImageMemory.get_width (self):
    #python wrapper for 'gst_vulkan_image_memory_get_width'

Return: the width of image

Parameters:

a GstVulkan.VulkanImageMemory

Returns ( int ) –
No description available

Since : 1.18

gst_vulkan_image_memory_init 

gboolean
gst_vulkan_image_memory_init (GstVulkanImageMemory * mem,
                              GstAllocator * allocator,
                              GstMemory * parent,
                              GstVulkanDevice * device,
                              VkImageUsageFlags usage,
                              GstAllocationParams * params,
                              gsize size,
                              gpointer user_data,
                              GDestroyNotify notify)

Parameters:

mem –
No description available
allocator –
No description available
parent –
No description available
device –
No description available
usage –
No description available
params –
No description available
size –
No description available
user_data –
No description available
notify –
No description available
Returns –
No description available

GstVulkan.VulkanImageMemory.prototype.init 

function GstVulkan.VulkanImageMemory.prototype.init(allocator: Gst.Allocator, parent: Gst.Memory, device: GstVulkan.VulkanDevice, usage: Vulkan.ImageUsageFlags, params: Gst.AllocationParams, size: Number, user_data: Object, notify: GLib.DestroyNotify): {
    // javascript wrapper for 'gst_vulkan_image_memory_init'
}

Parameters:

No description available
allocator ( Gst.Allocator ) –
No description available
parent ( Gst.Memory ) –
No description available
device ( GstVulkan.VulkanDevice ) –
No description available
usage ( Vulkan.ImageUsageFlags ) –
No description available
params ( Gst.AllocationParams ) –
No description available
size ( Number ) –
No description available
user_data ( Object ) –
No description available
notify ( GLib.DestroyNotify ) –
No description available
Returns ( Number ) –
No description available

GstVulkan.VulkanImageMemory.init 

def GstVulkan.VulkanImageMemory.init (self, allocator, parent, device, usage, params, size, user_data, notify):
    #python wrapper for 'gst_vulkan_image_memory_init'

Parameters:

No description available
allocator ( Gst.Allocator ) –
No description available
parent ( Gst.Memory ) –
No description available
device ( GstVulkan.VulkanDevice ) –
No description available
usage ( Vulkan.ImageUsageFlags ) –
No description available
params ( Gst.AllocationParams ) –
No description available
size ( int ) –
No description available
user_data ( object ) –
No description available
notify ( GLib.DestroyNotify ) –
No description available
Returns ( bool ) –
No description available

Functions

gst_vulkan_image_memory_alloc 

GstMemory *
gst_vulkan_image_memory_alloc (GstVulkanDevice * device,
                               VkFormat format,
                               gsize width,
                               gsize height,
                               VkImageTiling tiling,
                               VkImageUsageFlags usage,
                               VkMemoryPropertyFlags mem_prop_flags)

Allocated a new GstVulkanImageMemory.

Parameters:

device –

a GstVulkanDevice

format –

the VkFormat for the new image

width –

width for the new image

height –

height for the new image

tiling –

tiling for the new image

usage –

usage flags for the new image

mem_prop_flags –

VkDeviceMemory property flags for the new image

Returns –

a GstMemory object backed by a vulkan device memory

Since : 1.18

GstVulkan.prototype.vulkan_image_memory_alloc 

function GstVulkan.prototype.vulkan_image_memory_alloc(device: GstVulkan.VulkanDevice, format: Vulkan.Format, width: Number, height: Number, tiling: Vulkan.ImageTiling, usage: Vulkan.ImageUsageFlags, mem_prop_flags: Vulkan.MemoryPropertyFlags): {
    // javascript wrapper for 'gst_vulkan_image_memory_alloc'
}

Allocated a new GstVulkan.VulkanImageMemory.

Parameters:

device ( GstVulkan.VulkanDevice ) –

a GstVulkan.VulkanDevice

format ( Vulkan.Format ) –

the VkFormat for the new image

width ( Number ) –

width for the new image

height ( Number ) –

height for the new image

tiling ( Vulkan.ImageTiling ) –

tiling for the new image

usage ( Vulkan.ImageUsageFlags ) –

usage flags for the new image

mem_prop_flags ( Vulkan.MemoryPropertyFlags ) –

VkDeviceMemory property flags for the new image

Returns ( Gst.Memory ) –

a Gst.Memory object backed by a vulkan device memory

Since : 1.18

GstVulkan.vulkan_image_memory_alloc 

def GstVulkan.vulkan_image_memory_alloc (device, format, width, height, tiling, usage, mem_prop_flags):
    #python wrapper for 'gst_vulkan_image_memory_alloc'

Allocated a new GstVulkan.VulkanImageMemory.

Parameters:

device ( GstVulkan.VulkanDevice ) –

a GstVulkan.VulkanDevice

format ( Vulkan.Format ) –

the VkFormat for the new image

width ( int ) –

width for the new image

height ( int ) –

height for the new image

tiling ( Vulkan.ImageTiling ) –

tiling for the new image

usage ( Vulkan.ImageUsageFlags ) –

usage flags for the new image

mem_prop_flags ( Vulkan.MemoryPropertyFlags ) –

VkDeviceMemory property flags for the new image

Returns ( Gst.Memory ) –

a Gst.Memory object backed by a vulkan device memory

Since : 1.18

gst_vulkan_image_memory_init_once 

gst_vulkan_image_memory_init_once ()

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

Since : 1.18

GstVulkan.prototype.vulkan_image_memory_init_once 

function GstVulkan.prototype.vulkan_image_memory_init_once(): {
    // javascript wrapper for 'gst_vulkan_image_memory_init_once'
}

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

Since : 1.18

GstVulkan.vulkan_image_memory_init_once 

def GstVulkan.vulkan_image_memory_init_once ():
    #python wrapper for 'gst_vulkan_image_memory_init_once'

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

Since : 1.18

gst_vulkan_image_memory_wrapped 

GstMemory *
gst_vulkan_image_memory_wrapped (GstVulkanDevice * device,
                                 VkImage image,
                                 VkFormat format,
                                 gsize width,
                                 gsize height,
                                 VkImageTiling tiling,
                                 VkImageUsageFlags usage,
                                 gpointer user_data,
                                 GDestroyNotify notify)

Return: a new GstVulkanImageMemory wrapping image

Parameters:

device –

a GstVulkanDevice

image –

a VkImage

format –

the VkFormat for image

width –

width of image

height –

height of image

tiling –

tiling of image

usage –

usage flags of image

user_data ( [nullable] ) –

user data for notify

notify –

a GDestroyNotify when image is no longer needed

Returns –
No description available

Since : 1.18

GstVulkan.prototype.vulkan_image_memory_wrapped 

function GstVulkan.prototype.vulkan_image_memory_wrapped(device: GstVulkan.VulkanDevice, image: Vulkan.Image, format: Vulkan.Format, width: Number, height: Number, tiling: Vulkan.ImageTiling, usage: Vulkan.ImageUsageFlags, user_data: Object, notify: GLib.DestroyNotify): {
    // javascript wrapper for 'gst_vulkan_image_memory_wrapped'
}

Return: a new GstVulkan.VulkanImageMemory wrapping image

Parameters:

device ( GstVulkan.VulkanDevice ) –

a GstVulkan.VulkanDevice

image ( Vulkan.Image ) –

a VkImage

format ( Vulkan.Format ) –

the VkFormat for image

width ( Number ) –

width of image

height ( Number ) –

height of image

tiling ( Vulkan.ImageTiling ) –

tiling of image

usage ( Vulkan.ImageUsageFlags ) –

usage flags of image

user_data ( Object ) –

user data for notify

notify ( GLib.DestroyNotify ) –

a GLib.DestroyNotify when image is no longer needed

Returns ( Gst.Memory ) –
No description available

Since : 1.18

GstVulkan.vulkan_image_memory_wrapped 

def GstVulkan.vulkan_image_memory_wrapped (device, image, format, width, height, tiling, usage, user_data, notify):
    #python wrapper for 'gst_vulkan_image_memory_wrapped'

Return: a new GstVulkan.VulkanImageMemory wrapping image

Parameters:

device ( GstVulkan.VulkanDevice ) –

a GstVulkan.VulkanDevice

image ( Vulkan.Image ) –

a VkImage

format ( Vulkan.Format ) –

the VkFormat for image

width ( int ) –

width of image

height ( int ) –

height of image

tiling ( Vulkan.ImageTiling ) –

tiling of image

usage ( Vulkan.ImageUsageFlags ) –

usage flags of image

user_data ( object ) –

user data for notify

notify ( GLib.DestroyNotify ) –

a GLib.DestroyNotify when image is no longer needed

Returns ( Gst.Memory ) –
No description available

Since : 1.18

GstVulkanImageMemoryAllocator 

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstAllocator
                ╰──GstVulkanImageMemoryAllocator

Opaque GstVulkanImageMemoryAllocator struct

Members

parent (GstAllocator) –

the parent GstAllocator

Class structure

GstVulkanImageMemoryAllocatorClass

The GstVulkanImageMemoryAllocatorClass only contains private data

Fields
parent_class (GstAllocatorClass) –

the parent GstAllocatorClass

GstVulkan.VulkanImageMemoryAllocatorClass

The GstVulkan.VulkanImageMemoryAllocatorClass only contains private data

Attributes
parent_class (Gst.AllocatorClass) –

the parent Gst.AllocatorClass

GstVulkan.VulkanImageMemoryAllocatorClass

The GstVulkan.VulkanImageMemoryAllocatorClass only contains private data

Attributes
parent_class (Gst.AllocatorClass) –

the parent Gst.AllocatorClass

GstVulkan.VulkanImageMemoryAllocator 

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

Opaque GstVulkan.VulkanImageMemoryAllocator struct

Members

parent (Gst.Allocator) –

the parent Gst.Allocator

GstVulkan.VulkanImageMemoryAllocator 

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

Opaque GstVulkan.VulkanImageMemoryAllocator struct

Members

parent (Gst.Allocator) –

the parent Gst.Allocator

Functions

gst_is_vulkan_image_memory 

gboolean
gst_is_vulkan_image_memory (GstMemory * mem)

Parameters:

mem –

a GstMemory

Returns –

whether the memory at mem is a GstVulkanImageMemory

Since : 1.18

GstVulkan.prototype.is_vulkan_image_memory 

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

Parameters:

mem ( Gst.Memory ) –

a Gst.Memory

Returns ( Number ) –

whether the memory at mem is a GstVulkan.VulkanImageMemory

Since : 1.18

GstVulkan.is_vulkan_image_memory 

def GstVulkan.is_vulkan_image_memory (mem):
    #python wrapper for 'gst_is_vulkan_image_memory'

Parameters:

mem ( Gst.Memory ) –

a Gst.Memory

Returns ( bool ) –

whether the memory at mem is a GstVulkan.VulkanImageMemory

Since : 1.18

gst_vulkan_format_from_video_info 

VkFormat
gst_vulkan_format_from_video_info (GstVideoInfo * v_info,
                                   guint plane)

Parameters:

v_info –

the GstVideoInfo

plane –

the plane

Returns –

the VkFormat to use for v_format and plane

Since : 1.18

Function Macros

GST_VULKAN_IMAGE_MEMORY_ALLOCATOR_CAST 

#define GST_VULKAN_IMAGE_MEMORY_ALLOCATOR_CAST(obj)            ((GstVulkanImageMemoryAllocator *)(obj))

Constants

GST_CAPS_FEATURE_MEMORY_VULKAN_IMAGE 

#define GST_CAPS_FEATURE_MEMORY_VULKAN_IMAGE "memory:VulkanImage"

GstVulkan.CAPS_FEATURE_MEMORY_VULKAN_IMAGE

GstVulkan.CAPS_FEATURE_MEMORY_VULKAN_IMAGE

GST_VULKAN_IMAGE_MEMORY_ALLOCATOR_NAME 

#define GST_VULKAN_IMAGE_MEMORY_ALLOCATOR_NAME "VulkanImage"

GstVulkan.VULKAN_IMAGE_MEMORY_ALLOCATOR_NAME

GstVulkan.VULKAN_IMAGE_MEMORY_ALLOCATOR_NAME

Callbacks

GstVulkanImageMemoryFindViewFunc 

gboolean
(*GstVulkanImageMemoryFindViewFunc) (GstVulkanImageView * view,
                                     gpointer user_data)

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

Parameters:

view –
No description available
user_data –
No description available
Returns –
No description available

Since : 1.18

GstVulkan.VulkanImageMemoryFindViewFunc 

function GstVulkan.VulkanImageMemoryFindViewFunc(view: GstVulkan.VulkanImageView, user_data: Object): {
    // javascript wrapper for 'GstVulkanImageMemoryFindViewFunc'
}

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

Parameters:

No description available
user_data ( Object ) –
No description available
Returns ( Number ) –
No description available

Since : 1.18

GstVulkan.VulkanImageMemoryFindViewFunc 

def GstVulkan.VulkanImageMemoryFindViewFunc (view, *user_data):
    #python wrapper for 'GstVulkanImageMemoryFindViewFunc'

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

Parameters:

No description available
user_data ( variadic ) –
No description available
Returns ( bool ) –
No description available

Since : 1.18

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