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Video class

The USB class protocol for Video is defined for devices or functions embedded in composite devices that record or stream video data.

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SEGGER emUSB-Host
  1. 1.Overview
    1. 1.1.Key features
  2. 2.Requirements
  3. 3.Example code available
  4. 4.Application examples for emUSB-Host Video
  5. 5.Tested devices
    1. 5.1.Tested webcams

Overview

The emUSB-Host Video class enables communication with any device that complies with the USB Device Class Definition for Video Devices as specified by the USB Implementers Forum.

webcam

Key features

  • Compatibility with USB Video V1.00 devices
  • Ability to receive video from input devices (e.g. webcams)
  • Control processing, selector and extension units 
  • Notifications about insertion and removal of video devices
  • Support for common video formats (Uncompressed, MJPEG and H.264)
  • Support for all resolutions and frame rates
  • Small footprint

Requirements

Components required to use emUSB-Host Video:

  • emUSB-Host Video
  • emUSB-Host core
  • emUSB-Host target driver
  • Real-time operating system (embOS or other)

Resource usage

Example code available

emusb video bb ns

Video Evaluation Package for Embedded Studio. This demo contains an application which can display the connected webcam's video stream on the display.

More ...

Download sample project for
NXP MIMXRT1050 EVK

Application examples for emUSB-Host Video

webcam

Webcam

Tested devices

emUSB-Host Video provides an interface between a video streaming device and the receiving host. With the specific requirements of video, not all controllers can handle video support. Below are the host controllers SEGGER has tested and passed so far. Others can be tested upon request.

  • Without restrictions: EHCI controllers such as included with Xilinx Zynq, NXP Kinetis HiSpeed, i.MX6, i.MX-RT
  • With reduced resolution: STM32, LPC5xx

Tested webcams

The primary use case of the video class is to connect a webcam to an embedded system. We have tested a number of webcams so far (see list below). Other devices can be added upon request. 

  • Aukey PC-LM1E
  • Hama 00053950 Spy Protect
  • Conceptronic AMDIS03B
  • Logitech C930e
  • Logitech V-U0006
  • Logitech V-U0011
  • Logitech V-U0018
  • Logitech V-U0031
  • Microsoft Lifecam HD 3000
  • Trust 16428
  • Trust 17003-02
  • Razer Kiyo Pro RZ19-0364
  • Xiaomi Imilab CMSXJ22A

全球总部

德国: SEGGER Microcontroller GmbH

地址: Ecolab-Allee 5
40789 Monheim am Rhein, Germany
电邮: info@segger.com
电话: +49-2173-99312-0
传真: +49-2173-99312-28

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