# cudaconvertscale

This element resizes video frames and change color space. By default the element will try to negotiate to the same size on the source and sinkpad so that no scaling is needed. It is therefore safe to insert this element in a pipeline to get more robust behaviour without any cost if no scaling is needed.

## Example launch line

    gst-launch-1.0 videotestsrc ! cudaupload ! cudaconvertscale ! cudadownload ! autovideosink

## Hierarchy

    GObject
        ╰──GInitiallyUnowned
            ╰──GstObject
                ╰──GstElement
                    ╰──GstBaseTransform
                        ╰──GstCudaBaseTransform
                            ╰──GstCudaBaseConvert
                                ╰──cudaconvertscale

## Factory details

Authors: – Seungha Yang

Classification: – `Filter/Converter/Video/Scaler/Colorspace/Hardware`

Rank – none

Plugin – nvcodec

Package – GStreamer Bad Plug-ins

## Pad Templates

### `sink`

    video/x-raw(memory:CUDAMemory):
             format: { I420, YV12, NV12, NV21, P010_10LE, P016_LE, I420_10LE, Y444, Y444_16LE, BGRA, RGBA, RGBx, BGRx, ARGB, ABGR, RGB, BGR, BGR10A2_LE, RGB10A2_LE, Y42B, I422_10LE, I422_12LE, RGBP, BGRP, GBR, GBRA }
              width: [ 1, 2147483647 ]
             height: [ 1, 2147483647 ]
          framerate: [ 0/1, 2147483647/1 ]

Presence – always

Direction – sink

Object type – GstPad

### `src`

    video/x-raw(memory:CUDAMemory):
             format: { I420, YV12, NV12, NV21, P010_10LE, P016_LE, I420_10LE, Y444, Y444_16LE, BGRA, RGBA, RGBx, BGRx, ARGB, ABGR, RGB, BGR, BGR10A2_LE, RGB10A2_LE, Y42B, I422_10LE, I422_12LE, RGBP, BGRP, GBR, GBRA }
              width: [ 1, 2147483647 ]
             height: [ 1, 2147483647 ]
          framerate: [ 0/1, 2147483647/1 ]

Presence – always

Direction – src

Object type – GstPad

## Properties

### add-borders

    “add-borders” gboolean

Add black borders if necessary to keep the display aspect ratio

Flags : Read / Write

Default value : true

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