NVIDIA Jetson Xavier - HDAV Subsystem Video Image Compositor (VIC)

NVIDIA®Jetson Xavier™
Introduction
SoM Overview Carrier Boards NVIDIA Xavier Developer Kit Connect Tech Rogue Connect Tech Mimic Software Support NVIDIA JetPack
JetPack 5.X
Getting Started Installing JetPack Flashing the board with GUI installer JetPack Components Compiling Source Code Flashing the Board from Cmdline Performance Tuning Evaluating Performance Set Values Manually Tuning Power Maximizing Performance
Development in the Board
Getting into the Board Using Serial Console Using SSH Using Ubuntu Login Installing Packages
Video Capture and Display
Description Supported Cameras Imx219 Driver Software Support Using GStreamer Using Libargus
Processors
HD Audio and Video Subystem Video Encoder Video Decoder JPEG Encoder and Decoder Video Image Compositor Audio Processing Engine Deep Learning Accelerator Volta GPU Description Using CUDA Using OpenGL
Interfaces
I2C SD/eMMC Controller USB Controller
GStreamer Pipelines
Capture and Display H264 H265 VP9 MPEG4 Simultaneous Streams Compositor
Deep Learning
TensorRT Using TensorRT integrated with Tensorflow Parsing a Tensorflow model for TensorRT Parsing Caffe model for TensorRT Building TensorRT API examples Deep Learning Accelerator Software Support Deep Learning Tutorials Jetson Inference Jetson Reinforcement
RidgeRun Products
GstPTZR GstCUDA GstColorTransfer GstWebRTC GstRtspSink GstInterpipe GstInference GStreamer Daemon GstShark
Reference Documentation
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The Video Image Compositor (VIC) implements various 2D image and video operations in a power-efficient manner. It handles various system UI scaling, blending, and rotation operations, video post-processing functions needed during video playback, and advanced de-noising functions used for camera capture.

Features

• Color Decompression
• High-quality De-interlacing
• Inverse Teleciné
• Temporal Noise Reduction
  • New Bilateral Filter as a spatial filter
  • Improved TNR3 algorithm
• Scaling
• Color Conversion
• Memory Format Conversion
• Blend/Composite
• 2D Bit BLIT operation
• Rotation
• Geometry transform processing
  • Programmable 9-points controlled warp patch for distortion correction
  • Real-time on-the-fly position generation from sparse warp map surface
  • Pincushion/barrel/moustache distortion correction
  • Distortion correction of 180 and 360-degree wide FOV lens
  • Scene perspective orientation adjustment with IPT
  • Full warp map capability
  • Non-fixed Patch size with 4x4 regions
  • External Mask bit map surface

NVIDIA hardware accelerated GStreamer plugins

Plugin	Description
nvcompositor	Composite multiple video frames
nvvidconv	Video color space conversion & scaler

Multimedia API

The Video Image Compositor device node is /dev/nvhost-vic. The Multimedia API provides the NvVideoConverter and NvBuffer helper classes. The examples located in ~/tegra_multimedia_api/samples/07_video_convert and ~/tegra_multimedia_api/samples/12_camera_v4l2_cuda provide more information on how to use this component with NvVideoConverter and NvBuffer respectively.

Capture Paths

Basically, there are two possible capture paths on the Jetson Xavier. One that goes through the Video Image Compositor(VIC) and the other one through the Image Signal Procesor(ISP). "Scalable Camera Framework" uses the ISP block, "Direct V4L2 Interface" uses the VIC [1]. For more information check the L4T Documentation->[Sensor Driver Programming Guide]