d3d12swapchainsink

d3d12swapchainsink offers DXGI swapchain created via IDXGIFactory2::CreateSwapChainForComposition for DirectComposition, WinUI3, and UWP applications, and presents video frames using swapchain

Hierarchy

GObject
    ╰──GInitiallyUnowned
        ╰──GstObject
            ╰──GstElement
                ╰──GstBaseSink
                    ╰──GstVideoSink
                        ╰──d3d12swapchainsink

Implemented interfaces

Factory details

Authors: – Seungha Yang

Classification:Sink/Video

Rank – none

Plugin – d3d12

Package – GStreamer Bad Plug-ins

Pad Templates

sink

video/x-raw(memory:D3D12Memory):
         format: { RGBA64_LE, BGRA64_LE, Y416_LE, Y412_LE, RGB10A2_LE, Y410, BGR10A2_LE, Y216_LE, Y212_LE, Y210, VUYA, RGBA, BGRA, RBGA, P016_LE, P012_LE, P010_10LE, RGBx, BGRx, YUY2, NV12, ARGB64_LE, AYUV64, GBRA_12LE, GBRA_10LE, AYUV, ABGR, ARGB, GBRA, Y444_16LE, A444_16LE, A444_12LE, A444_10LE, A444, A422_16LE, A422_12LE, A422_10LE, A422, A420_16LE, A420_12LE, A420_10LE, A420, AV12, GBR_16LE, Y444_12LE, GBR_12LE, I422_12LE, I420_12LE, Y444_10LE, GBR_10LE, I422_10LE, I420_10LE, Y444, BGRP, GBR, RGBP, xBGR, xRGB, Y42B, NV24, NV16, NV61, NV21, I420, YV12, Y41B, YUV9, YVU9, GRAY16_LE, GRAY8, v216, v210, r210, v308, IYU2, RGB, BGR, UYVY, VYUY, YVYU, RGB16, BGR16, RGB15, BGR15 }
          width: [ 1, 2147483647 ]
         height: [ 1, 2147483647 ]
      framerate: [ 0/1, 2147483647/1 ]

video/x-raw(memory:D3D12Memory, meta:GstVideoOverlayComposition):
         format: { RGBA64_LE, BGRA64_LE, Y416_LE, Y412_LE, RGB10A2_LE, Y410, BGR10A2_LE, Y216_LE, Y212_LE, Y210, VUYA, RGBA, BGRA, RBGA, P016_LE, P012_LE, P010_10LE, RGBx, BGRx, YUY2, NV12, ARGB64_LE, AYUV64, GBRA_12LE, GBRA_10LE, AYUV, ABGR, ARGB, GBRA, Y444_16LE, A444_16LE, A444_12LE, A444_10LE, A444, A422_16LE, A422_12LE, A422_10LE, A422, A420_16LE, A420_12LE, A420_10LE, A420, AV12, GBR_16LE, Y444_12LE, GBR_12LE, I422_12LE, I420_12LE, Y444_10LE, GBR_10LE, I422_10LE, I420_10LE, Y444, BGRP, GBR, RGBP, xBGR, xRGB, Y42B, NV24, NV16, NV61, NV21, I420, YV12, Y41B, YUV9, YVU9, GRAY16_LE, GRAY8, v216, v210, r210, v308, IYU2, RGB, BGR, UYVY, VYUY, YVYU, RGB16, BGR16, RGB15, BGR15 }
          width: [ 1, 2147483647 ]
         height: [ 1, 2147483647 ]
      framerate: [ 0/1, 2147483647/1 ]
video/x-raw:
         format: { RGBA64_LE, BGRA64_LE, Y416_LE, Y412_LE, RGB10A2_LE, Y410, BGR10A2_LE, Y216_LE, Y212_LE, Y210, VUYA, RGBA, BGRA, RBGA, P016_LE, P012_LE, P010_10LE, RGBx, BGRx, YUY2, NV12, ARGB64_LE, AYUV64, GBRA_12LE, GBRA_10LE, AYUV, ABGR, ARGB, GBRA, Y444_16LE, A444_16LE, A444_12LE, A444_10LE, A444, A422_16LE, A422_12LE, A422_10LE, A422, A420_16LE, A420_12LE, A420_10LE, A420, AV12, GBR_16LE, Y444_12LE, GBR_12LE, I422_12LE, I420_12LE, Y444_10LE, GBR_10LE, I422_10LE, I420_10LE, Y444, BGRP, GBR, RGBP, xBGR, xRGB, Y42B, NV24, NV16, NV61, NV21, I420, YV12, Y41B, YUV9, YVU9, GRAY16_LE, GRAY8, v216, v210, r210, v308, IYU2, RGB, BGR, UYVY, VYUY, YVYU, RGB16, BGR16, RGB15, BGR15 }
          width: [ 1, 2147483647 ]
         height: [ 1, 2147483647 ]
      framerate: [ 0/1, 2147483647/1 ]

video/x-raw(memory:SystemMemory, meta:GstVideoOverlayComposition):
         format: { RGBA64_LE, BGRA64_LE, Y416_LE, Y412_LE, RGB10A2_LE, Y410, BGR10A2_LE, Y216_LE, Y212_LE, Y210, VUYA, RGBA, BGRA, RBGA, P016_LE, P012_LE, P010_10LE, RGBx, BGRx, YUY2, NV12, ARGB64_LE, AYUV64, GBRA_12LE, GBRA_10LE, AYUV, ABGR, ARGB, GBRA, Y444_16LE, A444_16LE, A444_12LE, A444_10LE, A444, A422_16LE, A422_12LE, A422_10LE, A422, A420_16LE, A420_12LE, A420_10LE, A420, AV12, GBR_16LE, Y444_12LE, GBR_12LE, I422_12LE, I420_12LE, Y444_10LE, GBR_10LE, I422_10LE, I420_10LE, Y444, BGRP, GBR, RGBP, xBGR, xRGB, Y42B, NV24, NV16, NV61, NV21, I420, YV12, Y41B, YUV9, YVU9, GRAY16_LE, GRAY8, v216, v210, r210, v308, IYU2, RGB, BGR, UYVY, VYUY, YVYU, RGB16, BGR16, RGB15, BGR15 }
          width: [ 1, 2147483647 ]
         height: [ 1, 2147483647 ]
      framerate: [ 0/1, 2147483647/1 ]

Presencealways

Directionsink

Object typeGstPad


Action Signals

last-rendered-sample

g_signal_emit_by_name (videosink, "last-rendered-sample", remove_borders, &ret);
ret = videosink.emit ("last-rendered-sample", remove_borders)
let ret = videosink.emit ("last-rendered-sample", remove_borders);

Get last rendered swapchain backbuffer content

Parameters:

videosink (GstElement *)

the d3d12swapchainsink

remove_borders (gboolean)

Remove background borders

Returns (GstSample *)

a GstSample of the last rendered swapchain backbuffer content or NULL if swapchain is not configured yet

Flags: Run Last / Action

Since : 1.28


redraw

g_signal_emit_by_name (videosink, "redraw");
ret = videosink.emit ("redraw")
let ret = videosink.emit ("redraw");

Redraw last buffer and present it

Parameters:

videosink (GstElement *)

the d3d12swapchainsink

Flags: Run Last / Action

Since : 1.28


resize

g_signal_emit_by_name (param_0, "resize", arg0, arg1);
ret = param_0.emit ("resize", arg0, arg1)
let ret = param_0.emit ("resize", arg0, arg1);

Parameters:

param_0 (GstElement *)
No description available
arg0 (guint)
No description available
arg1 (guint)
No description available

Flags: Run Last / Action


uv-remap

g_signal_emit_by_name (videosink, "uv-remap", num_lut, lut, viewport, bg_color);
ret = videosink.emit ("uv-remap", num_lut, lut, viewport, bg_color)
let ret = videosink.emit ("uv-remap", num_lut, lut, viewport, bg_color);

Sets list of ID3D12Resource for UV coordinates remapping. Valid formats are R8G8B8A8_UNORM and R16G16B16A16_UNORM. R -> U, G -> U, B -> unused, and A -> mask where A >= 0.5 applies remapping, otherwise fill background color"

TopLeftX, TopLeftY, Width, and Height values are used to calculate final viewport size. The coordinates must be normalized value in [0, 1] range instead of real viewport size.

Parameters:

videosink (GstElement *)

the d3d12swapchainsink

num_lut (guint)

LUT resource array length

lut (gpointer)

Array of ID3D12Resource used for UV remap operation

viewport (gpointer)

Array of D3D12_VIEWPORT

bg_color (gpointer)

Array of background color represented via ARGB64 value

Flags: Run Last / Action

Since : 1.28


Properties

adapter

“adapter” gint

Adapter index for creating device (-1 for default)

Flags : Read / Write

Default value : -1


border-color

“border-color” guint64

ARGB64 representation of the border color to use

Flags : Read / Write

Default value : 18446462598732840960


brightness

“brightness” gdouble

brightness

Flags : Read / Write

Default value : 0


contrast

“contrast” gdouble

contrast

Flags : Read / Write

Default value : 1


force-aspect-ratio

“force-aspect-ratio” gboolean

When enabled, scaling will respect original aspect ratio

Flags : Read / Write

Default value : true


hue

“hue” gdouble

hue

Flags : Read / Write

Default value : 0


max-mip-levels

“max-mip-levels” guint

Flags : Read / Write

Default value : 1

Since : 1.26


msaa

“msaa” GstD3D12MSAAMode *

MSAA (Multi-Sampling Anti-Aliasing) level

Flags : Read / Write

Default value : disabled (0)


sampling-method

“sampling-method” GstD3D12SamplingMethod *

Sampler filter type to use

Flags : Read / Write

Default value : bilinear (1)


saturation

“saturation” gdouble

saturation

Flags : Read / Write

Default value : 1


swapchain

“swapchain” gpointer

DXGI swapchain handle

Flags : Read


swapchain-height

“swapchain-height” guint

Height of swapchain buffers

Flags : Read

Default value : 720


swapchain-width

“swapchain-width” guint

Width of swapchain buffers

Flags : Read

Default value : 1280


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