36 lines
1.3 KiB
Markdown
36 lines
1.3 KiB
Markdown
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# Blackmagic Desktop Video (DeckLink) driver
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Drop the **Blackmagic Desktop Video** Debian package for **Ubuntu 22.04 (x86_64)**
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into this directory.
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## Required file
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| File | Notes |
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|------|-------|
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| `desktopvideo_*_amd64.deb` | The `desktopvideo` package from the Desktop Video installer archive. Provides the `blackmagic` kernel module (built via DKMS) and the `DesktopVideoHelper` daemon. |
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Example name: `desktopvideo_14.4.1a4_amd64.deb`
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The installer reads the **newest** matching `desktopvideo_*_amd64.deb` if more
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than one is present.
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## Where to get it
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Blackmagic Design → Support → *Desktop Video* (Linux). Download the
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"Desktop Video x.y.z Linux" tarball, extract it, and copy the
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`deb/<arch>/desktopvideo_*_amd64.deb` file here.
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> Optional: `desktopvideo-gui_*_amd64.deb` is **not** required for headless
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> capture and is not installed.
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## What the install script does
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1. Ensures `linux-headers-$(uname -r)` is present (needed for the DKMS build).
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2. `apt-get install -y ./desktopvideo_*_amd64.deb` (pulls DKMS deps).
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3. Triggers the DKMS build, `depmod`, `modprobe blackmagic`.
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4. Restarts the `DesktopVideoHelper` daemon.
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5. Verifies `/dev/blackmagic` appears.
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A **reboot is usually not required** but a DKMS rebuild against a freshly
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installed kernel may need one — the script reports this.
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