FFmpeg 8.1 ARM64EC

FFmpeg 8.1 — Windows ARM64EC Shared Libraries

Built natively on a Windows 11 ARM64 runner using the MSVC toolchain.

Build details

Property	Value
FFmpeg version	8.1
Runner	windows-11-arm (native ARM64)
MSYS2 subsystem	CLANGARM64
Target OS	Windows (win64)
Architecture	arm64 / ARM64EC
Compiler	MSVC cl.exe
Assembler	armasm64.exe -machine ARM64EC
gas-preprocessor	FFmpeg/gas-preprocessor
Linker flags	/machine:arm64ec
Build type	Shared
Trigger	workflow_dispatch
Commit	3e635099fc7042a9738d8a3057997bd49bc29688

Contents

• bin/ — AVCodec, AVFormat, AVUtil, SWScale, SWResample DLLs
• lib/ — Import libraries (.lib)
• include/ — Public headers