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20 lines
708 B
Markdown
20 lines
708 B
Markdown
# Rust bindings for V4L2
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This is a vendored, One-KVM-specific subset of `v4l2r`.
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It keeps only the pieces needed for video capture:
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- generated Linux V4L2 bindings,
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- safe low-level ioctl wrappers used by capture and device probing,
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- memory handle helpers for `MMAP`, `USERPTR`, and `DMABUF`,
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- core V4L2 types such as `Format`, `PixelFormat`, and `QueueType`.
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The upstream crate also contains high-level device abstractions, stateful
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decoder/encoder helpers, stateless codec controls, examples, and C FFI. Those
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parts are intentionally removed here so this dependency stays scoped to capture.
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## Build options
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`cargo build` generates V4L2 bindings from the vendored Linux UAPI headers in
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`include/`.
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