DekTec Drivers and SDKs

Downloads - Drivers and SDKs

Download DekTec drivers and software development kits (SDKs) here.

Our primary SDK, DTAPI, lets you develop tailored applications for DekTec devices.
It includes AvFifo API for SMPTE 2110 and 2022-5/6, and Matrix API for SDI solutions.

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Installing DekTec Licenses

DekTec licenses are shipped as files with .dtlic extension. The application note below describes how you can install such license files.

Installing DekTec
License (.dtlic) Files

Running Installers on Windows

To run setup programs (installers) on Windows, please right-click the extracted Setup.exe file and select "Run as administrator".

Please note, as of June 2023, driver updates for Windows 7, 8, and Server 2012 are no longer provided.
New installers will include the June 2023 drivers as the final versions for these Windows editions.

DekTec SDKs for Windows

DTAPI – C++ API for all DTA, DTU, DTE devices SDK for writing applications with DekTec PC add-on devices. Includes AvFifo API (SMPTE 2110, SMPTE 2022-5/6), Matrix API, DTAPI.NET, and Dta, Dtu, DtPcie, DtBb2 drivers. Compatible with Visual Studio 2017, 2019, 2022.	Version Nov 2024	384MB
DTAPI – C++ API for DTA, DTU, DTE devices Legacy DTAPI version adding Visual Studio 2015 compatibility. No support for AvFifo API, DTA-2110, 2111B, 2125, 2128, 2131B, DTU-331.	Version Dec 2022.3	415MB
DTAPI-TS – Transport-stream analysis library SDK for transport-stream analysis.	Version 1.11.5 Nov 2024	40MB
DirectShow SDK – Filters for DTA and DTU products DirectShow capture filters for DekTec SDI devices.	Version 3.0.2 March 2024	51MB
SpRcApi – StreamXpress remote control API Remote API for automating StreamXpress. All StreamXpress commands are available through the API.	Version 1.11.0 May 2024	51MB

Windows Drivers

Dta – Driver for older DTA products 32/64-bit device driver for older DekTec PCI and PCIe cards.	Version 4.28.12 Sept 2024	20MB
Dtu – Driver for DTU products 32/64-bit device driver for all DekTec USB adapters, except for the new DTU-331.	Version 4.15.5 Sept 2024	23MB
DtPcie – Driver for DTA products 64-bit device driver for DekTec PCIe cards. Required for DTA-2110, 2111B, 2116, 2125, 2127, 2128, 2131B, 2132, 2139B, 2139C, 2172, 2174B, 2178, 2178-ASI	Version 3.5.0 Nov 2024	24MB
DtBb2 – Driver for DTU-331 64-bit device driver for the DTU-331.	Version 1.0.1 August 2023	8MB

DekTec SDKs for Linux

DTAPI – C++ API for all DTA, DTU, DTE devices SDK for creating Linux applications for DekTec devices. Includes AvFifo API (SMPTE 2110, SMPTE 2022-5/6), Matrix API. Requires GCC8 or later. All driver sources are included. No support for DTU-331.	Version Nov 2024	53MB
DTAPI – C++ API for all DTA, DTU, DTE devices Older version with support for GCC4.8 and GCC5.1.	Version Dec 2022.5	51MB
DTAPI-TS – Transport-stream analysis library SDK for transport-stream analysis.	Version 1.11.5 Nov 2024	6MB
SpRcApi – StreamXpress remote control API Remote API for automating StreamXpress. All StreamXpress commands are available through the API.	Version 1.11.0 March 2024	601KB

SDK Examples

AvFifo – Code examples for Windows Code examples with full source, demonstrating the usage of the AvFifo API for receiving and transmitting SMPTE 2110 streams. Note: The AvFifo API is part of DTAPI.	Version June 2023.2	2.5MB
AvFifo – Code examples for Linux AvFifo code examples for Linux in a tarball.	Version June 2023.2	2.5MB
DekTec Matrix API – Several example projects Code examples with full source, demonstrating the usage of the DekTec Matrix API: Reading 4K uncompressed UHD, 4K player, audio/video recorder, picture-in-picture generation.	Version 1.4 March 2020	180kB
DtPlay – Command-line player software Play a file to any DekTec output device using DTAPI.	Version 4.18.0 June 2024	3MB
DtRecord – Command-line recorder software Record a stream from a DekTec input device in a file using DTAPI.	Version 4.15.1 June 2024	3MB