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🛠️ Tools🗂️ SDK📄 White Paper
  • Getting Started
    • 🟣What is NDI?
    • 🆕Release Notes
    • đź“„White Paper
      • Discovery & Registration
        • mDNS
        • Discovery Service
        • Manual Connection
        • NDI Groups
      • NDI Protocols
        • Reliable UDP - NDI 5
        • Multipath TCP - NDI 4
        • UDP with Forward Error Correction – NDI 3
        • Single TCP – NDI 1
      • NDI Related Network Ports
      • Getting video across the network
      • Network Layout
      • Bandwidth
        • NDI High Bandwidth based on SpeedHQ2 (8bit 4:2:2)
        • NDI High Bandwidth based on SpeedHQ7 (8bit 4:2:2:4)
        • NDI HX2 h.264 (8bit 4:2:0)
        • NDI HX2 h.265 (8bit 4:2:0)
        • NDI HX3 h.264 (8bit 4:2:0)
        • NDI HX3 h.265 (8bit 4:2:0)
        • NDI Proxy and bandwidth optimization
      • Network Interface Settings
      • NIC Selection
      • Encoding and Decoding
      • Multicast
      • NDI Administrative Settings
      • Synchronization
      • NDI in the Cloud
    • Glossary
      • NDI Terminology
      • Industry Terminology
  • Using NDI
    • Introduction
    • NDI for Video
      • Digital Video Basics
      • NDI Video Codecs and Format Matrix
      • NDI Encoding Support Matrix
        • Practical NDI Receivers Format Support
        • Practical NDI Transmitters Support
        • Summary Table
      • Interoperability Scenarios
    • NDI for Audio
      • Digital Audio Fundamentals
      • Audio Over IP
      • Technical Facts About NDI for Audio
      • Use Cases
      • Products Using NDI for Audio
    • ⚒️NDI Tools
      • Release Notes
      • Installing NDI Tools
        • Software License Agreement
        • Privacy Policy
      • NDI Tools Launcher
      • NDI Tools for Windows
        • Access Manager
        • Bridge
          • NDI Bridge automation
          • Configuring Port Forwarding
          • Bridge Tool Logging
        • Remote
        • Router
        • Screen Capture
        • Screen Capture HX
        • Studio Monitor
        • Test Patterns
        • Webcam Input
      • NDI Tools for Mac
        • Access Manager
        • Scan Converter
        • Router
        • Test Patterns
        • Video Monitor
        • Virtual Input
      • Plugins
        • NDI for After Effects
        • NDI for Premiere Pro
        • NDI Output for Final Cut Pro
        • NDI for VLC
        • Audio Direct
        • OBS
    • Utilities
      • Analysis
    • Using NDI with Software
      • Getting Started with NDI in OBS for Windows or Mac
      • Using OBS Studio as a Commentary System
      • Using NDI Tools as a virtual camera in Mac
      • Using NDI and Dante on the same Network
      • Use OBS video + audio on Zoom with macOS
    • Using NDI with Hardware
      • NDI HX upgrades for cameras
      • How to Activate Panasonic Cameras for NDI HX1 — Step-by-Step
      • Recommended Network Switch Settings for NDI
  • Developing with NDI
    • Introduction
    • đź“‚SDK
      • Release Notes
      • Licensing
      • Software Distribution
        • Header Files
        • Binary Files
        • Redistributables
        • Content Files
        • Libraries
        • NDI-SEND
        • NDI-FIND
        • NDI-RECEIVE
        • Utilities
        • Command Line Tools
      • CPU Requirements
      • Dynamic Loading of NDI Libraries
      • Performance and Implementation
      • Startup and Shutdown
      • Example Code
      • Port Numbers
      • đź”§Configuration Files
      • Platform Considerations
      • NDI-SEND
      • NDI-FIND
      • NDI-RECV
      • NDI Routing
      • HDR
      • Command Line Tools
      • Frame Types
        • Video Frames
        • Audio Frames
        • Metadata Frames
      • Windows DirectShow Filter
      • 3rd Party Rights
      • Support
    • Advanced SDK
      • Release Notes
      • Licensing
      • Overview
      • Configuration Files
      • NDI SDK Review
        • Sending
          • Asynchronous Sending Completions
          • NDI Sending On High Latency Connections
        • Receiving
          • Custom Allocators
            • Video Allocators
            • Audio Allocators
          • Dynamic Bandwidth Adjustment
        • Finding
        • Video Formats
          • Receiver Codec Support Level
          • Frame Synchronization
      • Genlock
      • AV Sync
        • Guidelines
        • Creating and Destroying Devices
        • Recovering Audio
      • Using H.264, H.265, and AAC Codecs
        • Sending Audio Frames
        • Sending Video Frames
        • H.264 Support
        • H.265 Support
        • AAC Support
        • OPUS Support
        • Latency of Compressed Streams
        • Stream Validation
      • External Tally Support
      • KVM Support
      • NDI Advanced SDK FPGA Example Designs
        • Prebuilt uSD Images
        • NDI FPGA Reference Design
          • FPGA Projects
            • Changelog
          • C++ Application Code
            • Changelog
          • linux_kernel
            • Changelog
          • uSD Image Builder
            • Changelog
        • Changelog
    • Utilities
      • Unreal Engine SDK
        • Release Notes
        • Licensing
        • NDI Plugin Installation
        • Simple Setup of Broadcast and Receivers
        • NDI Broadcast Actor
        • NDI Receiver Actor
        • NDI Media Assets
        • Getting Started with Example Blueprint Projects
        • Advanced
      • Free Audio
      • Bridge Service
        • Installation
          • Silent Installation
        • Configuration
          • Web UI
          • Configuration File
          • Manual API Key Management
        • Webhooks
        • WebSockets
        • API
    • NDI Certified
      • Certification Guidelines
        • Interoperability Requirements
        • Technical Requirements
      • Certification Process
        • Pre-certification Checklist
        • Device Testing Methods
          • Camera
          • HDMI Encoder
          • SDI Encoder
          • Decoder
          • NDI Controller
          • NDI Monitor
          • Multicast Testing
        • Detailed process
    • Metadata
      • Metadata Sources
      • Metadata for XML
      • XML Validation
      • Metadata Elements
      • Proposed New Metadata Messages
      • PTZ and Control Messages
      • Undocumented Mysteries
  • Developer Guides
    • Decoding with NDI
    • NDI Bridge Deployment
  • FAQ
    • Index
    • NDI Tools
      • What is the NDI Analysis Tool and where do I get it from?
      • Why does my NDI connection stay active once the source is offline?
      • Why are my changes to the NDI JSON configuration file not being saved?
      • Why is the license for my Panasonic camera not active?
      • How does registration for NDI Tools work?
      • The time code on my file is incorrect, how do I change it?
      • How can I make NDI Tools launch automatically?
      • What is the NDI ECCN?
      • How do I use NDI output with Microsoft Teams
      • Where is Screen Capture (HX) for Mac?
    • NDI Certified
      • What is the NDI Certification Program?
      • Why did you start this certification program?​
      • What happens to my device after it's certified?
      • Is certification mandatory to be a partner of NDI?​
      • I am an OEM manufacturer, can my products be certified?​
      • How long does the certification process take?
      • How do I become certified?​
      • What happens if my product doesn’t meet the requirements for Certification?​
      • Are there any fees to become NDI Certified?
    • Common Issues
      • I'm having trouble getting multicast set up.
      • I'm having trouble with my NDI HX License
      • Why can't I find my Android 14-based NDI devices on my network?
      • Why won’t NDI Tools install on my Windows PC?
      • How do I enable NDI in “New” Microsoft Teams (Windows only)?
      • Why can’t HX Capture display the full resolution of my iPad or iPhone?
      • The NDI HX Camera app won't launch on older phones and iOS
      • Why won't MacOS Sonoma (14.1) recognize NDI Tools as a virtual camera?
      • I'm having issues with Virtual Input for macOS
      • I'm having issues with Final Cut Pro
      • NDI Camera App Issue
    • SDK
      • Where can I find the source code for the FPGA board?
      • What system resources are required to support a design including the NDI FPGA Codecs?
      • Why can’t my h264/265 video be received by an NDI receiver when using the embedded SDK?
      • Can I use the Unreal SDK on Mac?
      • What are the Differences Between the NDI SDK and the NDI Advanced SDK
    • ✨NDI 6
      • Do I need to upgrade to NDI 6 if I'm not using the new features?
      • Is there a fee to upgrade to NDI 6
      • Why doesn't my existing Vendor ID work with NDI 6?
      • How can I get a previous version of NDI Tools or the SDK?
    • NDI HX License Upgrades
      • What is happening with NDI HX Upgrades?
      • Will my existing HX-upgraded camera be affected?
      • I bought a camera before June 30, 2025, but didn't buy an HX license. Can I still get one?
      • I bought a license and a camera but didn't redeem it until after. Can I still get an HX license?
      • If my HX upgrade fails can I transfer the license?
      • Can I sell my upgraded HX camera and keep the license?
      • Will my NDI version work with my current HX license?
      • What does the HX upgrade sunset program mean for camera manufacturers?
      • What will NDI Support do for licenses after the sunset date?
      • I factory reset my camera and forgot the license. Can you help me get it back?
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  1. Developing with NDI
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Licensing

Last updated 5 months ago

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You may use this SDK in accordance with its License Agreement, which is available for review in the root level of the SDK folder. Your use of any part of the SDK for any purpose is an acknowledgment that you agree to these license terms. For distribution, you must implement this SDK within your applications respecting the following requirements:

  • You may use the NDI library within free or commercial Products (as defined by the License) created using this SDK without paying any license fees.

  • Your application must provide a link to in a location close to all locations where NDI is used/selected within the product, on your website, and in its documentation. This link will point to a landing page that provides information about NDI and access to the tools we provide, along with updates and news.

  • You may not distribute the NDI tools; if you wish to make these accessible to your users, you may provide a link to .

  • NDI is a registered trademark of Vizrt NDI AB and should be used only with the ® as follows: NDI®, along with the statement “NDI® is a registered trademark of Vizrt NDI AB” located on the same page near the mark where it is first used, or at the bottom of the page in footnotes. You are required to use the registered trademark designation only on the first use of the word NDI within a single document.

  • Your application’s About Box and any other locations where trademark attribution is provided should also specifically indicate that “NDI® is a registered trademark of Vizrt NDI AB”. If you have questions, please do let us know.

Note that if you wish to use “NDI” within the name of your product, then you should reach out to the .

  • You should include the NDI DLLs as part of your own application and keep them in your application folders so that there is no chance that NDI DLLs installed by your application might conflict with other applications on the system that also use NDI. Please do not install your NDI DLLs into the system path for this reason. If you are distributing the NDI DLLs, you need to ensure that your application complies with the License Agreement, this section, and the license terms outlined in “3rd party rights” towards the end of this manual.

We are very interested in how our technology is being used and would like to maintain a full list of applications using NDI technology. Please let us know about your commercial application (or an interesting non-commercial one) using NDI by reaching out to the . If you have any questions, comments, or requests, please do not hesitate to let us know. Our goal is to provide you with this technology and encourage its use while ensuring that both end-users and developers enjoy a consistent high-quality experience.

To understand how you can license the NDI Advanced SDK for commercial use in hardware or software, please contact

Your use of any part of the NDI Advanced SDK for any purpose is an acknowledgment that you agree to the license terms. For distribution, you must implement this SDK within your applications respecting the following requirements:

  • Your application must provide a link to in a location close to all locations where NDI is used/selected within the product, on your website, and in its documentation. This link will point to a landing page that provides information about NDI and access to the tools we provide, along with updates and news.

  • You may not distribute the NDI tools; if you wish to make these accessible to your users, you may provide a link to .

  • NDI is a registered trademark of Vizrt NDI AB and should be used only with the ® as follows: NDI®, along with the statement “NDI® is a registered trademark of Vizrt NDI AB” located on the same page near the mark where it is first used, or at the bottom of the page in footnotes. You are required to use the registered trademark designation only on the first use of the word NDI within a single document.

  • Your application’s About Box and any other locations where trademark attribution is provided should also specifically indicate that “NDI® is a registered trademark of Vizrt NDI AB”. If you have questions, please do let us know.

Note that if you wish to use “NDI” within the name of your product, then you should reach out to the .

  • You should include the NDI DLLs as part of your own application and keep them in your application folders so that there is no chance that NDI DLLs installed by your application might conflict with other applications on the system that also use NDI. Please do not install your NDI DLLs into the system path for this reason. If you are distributing the NDI DLLs, you need to ensure that your application complies with the License Agreement, this section, and the license terms outlined in “3rd party rights” towards the end of this manual.

  • To use the Advanced SDK in a commercial product or environment, you should contact to receive a vendor ID for your company.

Because AAC, H.264, and H.265 are formats that potentially are not license-free, it is your responsibility to ensure that these are correctly licensed for your product if you are using these with this SDK.

We are very interested in how our technology is being used and would like to maintain a full list of applications using NDI technology. Please let us know about your commercial application (or an interesting non-commercial one) using NDI by reaching out to the . If you have any questions, comments, or requests, please do not hesitate to let us know. Our goal is to provide you with this technology and encourage its use while ensuring that both end-users and developers enjoy a consistent high-quality experience.

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ndi.video/tools
NDI team
NDI team
sales@ndi.video
ndi.video
ndi.video/tools
NDI team
licensing@ndi.video
NDI team