GstVulkanSwapper

GstVulkanSwapper is a helper object for rendering to a surface exposed by GstVulkanWindow.

GstVulkanSwapper

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstVulkanSwapper

Members

parent (GstObject) –

parent GstObject

device (GstVulkanDevice *) –

the GstVulkanDevice

window (GstVulkanWindow *) –

the GstVulkanWindow to display into

queue (GstVulkanQueue *) –

the GstVulkanQueue to display with

cmd_pool (GstVulkanCommandPool *) –

the GstVulkanCommandPool to allocate command buffers from

Since : 1.18

Class structure

GstVulkanSwapperClass

Fields

parent_class (GstObjectClass) –

parent GstObjectClass

Since : 1.18

Constructors

gst_vulkan_swapper_new

GstVulkanSwapper *
gst_vulkan_swapper_new (GstVulkanDevice * device,
                        GstVulkanWindow * window)

Parameters:

device –

No description available

window –

No description available

Returns –

No description available

GstVulkan.VulkanSwapper.prototype.new

function GstVulkan.VulkanSwapper.prototype.new(device: GstVulkan.VulkanDevice, window: GstVulkan.VulkanWindow): {
    // javascript wrapper for 'gst_vulkan_swapper_new'
}

Parameters:

device (GstVulkan.VulkanDevice) –

No description available

window (GstVulkan.VulkanWindow) –

No description available

Returns (GstVulkan.VulkanSwapper) –

No description available

GstVulkan.VulkanSwapper.new

def GstVulkan.VulkanSwapper.new (device, window):
    #python wrapper for 'gst_vulkan_swapper_new'

Parameters:

device (GstVulkan.VulkanDevice) –

No description available

window (GstVulkan.VulkanWindow) –

No description available

Returns (GstVulkan.VulkanSwapper) –

No description available

Methods

gst_vulkan_swapper_choose_queue

gboolean
gst_vulkan_swapper_choose_queue (GstVulkanSwapper * swapper,
                                 GstVulkanQueue * available_queue,
                                 GError ** error)

Parameters:

swapper –

a GstVulkanSwapper

available_queue ( [transfer: none][nullable]) –

a GstVulkanQueue chosen elsewhere

error –

a GError

Returns –

No description available

GstVulkan.VulkanSwapper.prototype.choose_queue

function GstVulkan.VulkanSwapper.prototype.choose_queue(available_queue: GstVulkan.VulkanQueue): {
    // javascript wrapper for 'gst_vulkan_swapper_choose_queue'
}

Parameters:

swapper (GstVulkan.VulkanSwapper) –

a GstVulkan.VulkanSwapper

available_queue (GstVulkan.VulkanQueue) –

a GstVulkan.VulkanQueue chosen elsewhere

Returns (Number) –

No description available

GstVulkan.VulkanSwapper.choose_queue

@raises(GLib.GError)
def GstVulkan.VulkanSwapper.choose_queue (self, available_queue):
    #python wrapper for 'gst_vulkan_swapper_choose_queue'

Parameters:

swapper (GstVulkan.VulkanSwapper) –

a GstVulkan.VulkanSwapper

available_queue (GstVulkan.VulkanQueue) –

a GstVulkan.VulkanQueue chosen elsewhere

Returns (bool) –

No description available

gst_vulkan_swapper_get_supported_caps

GstCaps *
gst_vulkan_swapper_get_supported_caps (GstVulkanSwapper * swapper,
                                       GError ** error)

Parameters:

swapper –

No description available

error –

No description available

Returns –

No description available

GstVulkan.VulkanSwapper.prototype.get_supported_caps

function GstVulkan.VulkanSwapper.prototype.get_supported_caps(): {
    // javascript wrapper for 'gst_vulkan_swapper_get_supported_caps'
}

Parameters:

swapper (GstVulkan.VulkanSwapper) –

No description available

Returns (Gst.Caps) –

No description available

GstVulkan.VulkanSwapper.get_supported_caps

@raises(GLib.GError)
def GstVulkan.VulkanSwapper.get_supported_caps (self):
    #python wrapper for 'gst_vulkan_swapper_get_supported_caps'

Parameters:

swapper (GstVulkan.VulkanSwapper) –

No description available

Returns (Gst.Caps) –

No description available

gst_vulkan_swapper_get_surface_rectangles

gst_vulkan_swapper_get_surface_rectangles (GstVulkanSwapper * swapper,
                                           GstVideoRectangle * input_image,
                                           GstVideoRectangle * surface_location,
                                           GstVideoRectangle * display_rect)

Parameters:

swapper –

a GstVulkanSwapper

input_image ( [out][nullable]) –

The GstVideoRectangle for the configured caps modified for DAR.

surface_location ( [out][nullable]) –

The GstVideoRectangle for where the output surface is located relative to its parent

display_rect ( [out][nullable]) –

The GstVideoRectangle for where the input images are placed inside surface_location

Since : 1.18

GstVulkan.VulkanSwapper.prototype.get_surface_rectangles

function GstVulkan.VulkanSwapper.prototype.get_surface_rectangles(): {
    // javascript wrapper for 'gst_vulkan_swapper_get_surface_rectangles'
}

Parameters:

swapper (GstVulkan.VulkanSwapper) –

a GstVulkan.VulkanSwapper

Since : 1.18

GstVulkan.VulkanSwapper.get_surface_rectangles

def GstVulkan.VulkanSwapper.get_surface_rectangles (self):
    #python wrapper for 'gst_vulkan_swapper_get_surface_rectangles'

Parameters:

swapper (GstVulkan.VulkanSwapper) –

a GstVulkan.VulkanSwapper

Since : 1.18

gst_vulkan_swapper_render_buffer

gboolean
gst_vulkan_swapper_render_buffer (GstVulkanSwapper * swapper,
                                  GstBuffer * buffer,
                                  GError ** error)

Parameters:

swapper –

No description available

buffer –

No description available

error –

No description available

Returns –

No description available

GstVulkan.VulkanSwapper.prototype.render_buffer

function GstVulkan.VulkanSwapper.prototype.render_buffer(buffer: Gst.Buffer): {
    // javascript wrapper for 'gst_vulkan_swapper_render_buffer'
}

Parameters:

swapper (GstVulkan.VulkanSwapper) –

No description available

buffer (Gst.Buffer) –

No description available

Returns (Number) –

No description available

GstVulkan.VulkanSwapper.render_buffer

@raises(GLib.GError)
def GstVulkan.VulkanSwapper.render_buffer (self, buffer):
    #python wrapper for 'gst_vulkan_swapper_render_buffer'

Parameters:

swapper (GstVulkan.VulkanSwapper) –

No description available

buffer (Gst.Buffer) –

No description available

Returns (bool) –

No description available

gst_vulkan_swapper_set_caps

gboolean
gst_vulkan_swapper_set_caps (GstVulkanSwapper * swapper,
                             GstCaps * caps,
                             GError ** error)

Parameters:

swapper –

No description available

caps –

No description available

error –

No description available

Returns –

No description available

GstVulkan.VulkanSwapper.prototype.set_caps

function GstVulkan.VulkanSwapper.prototype.set_caps(caps: Gst.Caps): {
    // javascript wrapper for 'gst_vulkan_swapper_set_caps'
}

Parameters:

swapper (GstVulkan.VulkanSwapper) –

No description available

caps (Gst.Caps) –

No description available

Returns (Number) –

No description available

GstVulkan.VulkanSwapper.set_caps

@raises(GLib.GError)
def GstVulkan.VulkanSwapper.set_caps (self, caps):
    #python wrapper for 'gst_vulkan_swapper_set_caps'

Parameters:

swapper (GstVulkan.VulkanSwapper) –

No description available

caps (Gst.Caps) –

No description available

Returns (bool) –

No description available

Properties

force-aspect-ratio

“force-aspect-ratio” gboolean

Flags : Read / Write

force-aspect-ratio

“force-aspect-ratio” Number

Flags : Read / Write

force_aspect_ratio

“self.props.force_aspect_ratio” bool

Flags : Read / Write

pixel-aspect-ratio

“pixel-aspect-ratio” GstFraction *

Flags : Read / Write

pixel-aspect-ratio

“pixel-aspect-ratio” Gst.Fraction

Flags : Read / Write

pixel_aspect_ratio

“self.props.pixel_aspect_ratio” Gst.Fraction

Flags : Read / Write

Constants