UltraGrid

Czech Educational and Research Network · CESNET.UltraGrid

UltraGrid low-latency audio and video network transmission system

winget install --id CESNET.UltraGrid --exact --source winget

Latest 1.10.3

Release Notes

Built 2026-02-20T14:41+00:00 Changes:

  • added reflector wrapper handling both audio+video
  • Cineform can be decoded through lavd (if native not compiled)
  • vo_pp,cf/text performance improved
  • AJA: use new libajantv2 open-source library instead of old ntv2 one
  • enable multithreading for some less common lavc encoders (eg. OpenH264)
  • vcap/decklink: improve profile handling, support for topological ID
  • cmpto_j2k: support for CPU implementation, added R12L CUDA conversion
  • vcap/dshow: support for OBS virtual camera
  • add audio filter channel_remap for remapping on sender
  • improve FEC resilliancy if traffic is low
  • vcap/rtsp: support for authentization, stability fixes
  • vcap/rtsp (recv), rxtx/rtsp (send): support for HEVC and JPEG
  • SDL3 support
  • full Wayland support, including GUI, OGL, Vulkan [Linux]
  • GUI: support for server/client mode
  • support for DeckLink IP features
  • audio conference mode supports passive (listen-only) participants
  • compilation supported on BSD systems
  • support for Samsung's Advanced Professional Video (via FFmpeg)
  • updated DELTACAST codebase (support for new cards, formats) Fixes since last release: 1.10.3
  • screen_avf: fix swapped name/dev in probe (for GUI)
  • compliance with Apple Dev Program (explicit recording notice if screen capture or Core Audio device is used)
  • reenable CFHD decoding fallback with lavd
  • fixed some small lavd regression when some decoders unavail 1.10.2
  • fix Vulkan display crashing on keypresses in console
  • fix GL display show/hide cursor keybind
  • fix control port argument in hd-rum-translator (GH-482)
  • added 2 conversions for Videotoolbox 10b encode (GH-479, GH-480)
  • modified hevc_videotoolbox not to default to 4:2:0 (GH-480)
  • bundle libdecor so that the windows (GL/SDL/Vulkan) have decorations in Wayland
  • make SPOUT running again (GH-487)
  • fix VDPAU being advertised/used with GL even when undesirable
  • fix GPUJPEG subsampling detection (probe, by updated GJ upstream)
  • ported AV Foundation vcap from master so that it can be used as a screen capture for macOS Intel builds (the old Core Graphics cannot be built anymore) (GH-485) 1.10.1
  • fix temporarily broken r12l_to_gbrp16le (GH-476)
  • missing arm64 macOS dependency on brotlicommon (GH-478)
  • add libOpenGL.0.so library fallback to Linux AppImage
  • fix Pipewire screen capture not starting
  • build fixes
  • reenable AV Foundation (not being enabled on macOS)
  • fix decoding ProRes (GH-481) Full changelog: https://github.com/CESNET/UltraGrid/commits/v1.10.3

Installer type: zip

Architecture Scope Download SHA256
x64 Download 0DB398D9AAF96B89E2A1B3D1BF91AB7415D638BDED4128A30C0D028B57BDB275

Details

Homepage
https://github.com/CESNET/UltraGrid
License
Proprietary
Publisher
Czech Educational and Research Network
Support
https://github.com/CESNET/UltraGrid/issues
Copyright
Copyright (c) 2001-2004 University of Southern California Copyright (c) 2003-2004 University of Glasgow Copyright (c) 2013-2014 Fundació i2CAT, Internet I Innovació Digital a Catalunya Copyright (c) 2005-2023 CESNET z.s.p.o.

Older versions (8)

1.10.2
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1.10.1
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x64 Download 13A8D5C29704DDE6E30B2246EB72316C13CB759AB5171FA069C39EE89AB74AD7
1.10
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x64 Download F47ED41BC84C186EAA25872A02789A1D8E94851ECA3F743B0E6FA8EA7F68518A
1.9.12
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x64 Download 08B821C61151A3A61D0904F072F9A5A103A1D95876EB25D5B12450711354825C
1.9.11
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x64 Download 001C5C05CF71881B7451D121317AFDCBE8013164B0C3A31485B6CDD828FCBF23
1.9.10
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x64 Download D2A7E19A0CD69C35E4C7779D95BB4C2B968D82430E49EB219E357E7BACFC408A
1.9.9
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x64 Download 4295476FE40F5D61EBF597B9AB5F5D549AC183949D2102FD30DBC28F96FD3159
1.9.8
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x64 Download FCE8F0B93DEBF49D4F8FF50C044E0CF90A87C6EDC29A7A7AD081731D050F318F