Release v1.2.0

First downloadable binary release of gst-alphapack.

Highlights

• Pack RGBA, BGRA, ARGB, or ABGR video into a double-height RGB/RGBA frame.
• Pack AYUV or VUYA video into a double-height Y444 frame.
• Reconstruct the original alpha video with alphaunpack.
• Use ordinary H.264/H.265 encoders and transports such as SRT between the
  pack and unpack stages.
• Includes a tested Windows x64 DLL and a PowerShell installer.

Requirements

• Windows 10 or newer, 64-bit
• 64-bit MSVC GStreamer 1.16 or newer

Download gst-alphapack-v1.2.0-windows-x64.zip, extract it, and follow the
included README-WINDOWS.md.

Verification

The release ZIP has a companion .sha256 file. Verify it with:

Get-FileHash .\gst-alphapack-v1.2.0-windows-x64.zip -Algorithm SHA256

The packaged plugin passed element discovery, RGB and YUV pipeline smoke
tests, byte-for-byte RGBA and AYUV round-trip tests, and invalid-caps tests.