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v2.5.0 Stable

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@Julusian Julusian released this 10 Dec 18:49
· 46 commits to master since this release
v2.5.0-stable
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Julusian Julian Waller
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Learn about vigilant mode.

Important

We recommend running CasparCG 2.5 on CPUs which support AVX2. Officially Chrome claims to require AVX2, and it is required for some of our in-progress HDR support.
Intel CPUs based on Haswell or later support this, which were first released to consumers in 2013, or 2014 for servers.

Starting with CasparCG 2.6, this will become a requirement.

Make sure to install the latest MSVC runtime, the compiler update requires a newer version than 2.4 https://aka.ms/vc14/vc_redist.x64.exe

Core

Improvements
  • Initial support for HDR. This is limited to a subset of producers and consumers at this stage.
  • Build for Windows with VS2022
  • Rework linux builds to produce ubuntu deb files
  • Update ffmpeg to 7.0
  • Reimplement mixer transforms, to handle routes correctly
  • Support more pixel formats from ffmpeg, to preserve colour accuracy better
  • Support running on headless linux
  • Transitions: Additional behaviours
Fixes
  • Build with boost 1.85/1.86/1.87/1.88
  • Build with ffmpeg 7.1
  • Only produce mixed frames on channels which have consumers
  • Routed channels not compositing correctly when channel used a MIXER KEY
  • Handle audio for fractional framerates properly
  • Gracefully exit on SIGINT and SIGTERM

Producers

Improvements
  • FFmpeg: Support loading with a scaling-mode, to configure how clips get fit into the channel
  • FFmpeg: Support more pixel formats without cpu conversion
  • FFmpeg: Enable alpha for webm videos
  • Image: Support loading with a scaling-mode, to configure how images get fit into the channel
  • Image: Replace freeimage with ffmpeg
  • HTML: Update CEF to 142
  • HTML: Support audio
Fixes
  • Route: Use full field rate when performing i->p channel route
  • HTML: Gracefully handle page load errors
  • HTML: Always set cache path

Consumers

Improvements
  • Screen: Set size and position from AMCP
  • Screen: Improve performance
  • Image: Propagate AMCP parameters from PRINT command
  • FFmpeg: Remove unnecessary forced conversion to YUVA422
  • Decklink: Support explicit yuv output (requires AVX2)
  • Decklink: Allow selecting device by hardware persistent id
Fixes
  • FFmpeg: Correctly handle PTS on frame drop

Full Changelog: v2.4.3-stable...v2.5.0-stable

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