58 lines
2.2 KiB
Markdown
58 lines
2.2 KiB
Markdown
# reStream
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reMarkable screen sharing over SSH.
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## Installation
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1. Clone this repository: `git clone https://github.com/rien/reStream`.
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2. (Optional but recommended) [Install lz4 on your host and reMarkable](#sub-second-latency).
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3. [Set up an SSH key and add it to the ssh-agent](https://help.github.com/en/github/authenticating-to-github/generating-a-new-ssh-key-and-adding-it-to-the-ssh-agent), then add your key to the reMarkable with `ssh-copy-id root@10.11.99.1`.
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## Usage
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1. Connect your reMarkable with the USB cable.
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2. Make sure you can [open an SSH connection](https://remarkablewiki.com/tech/ssh).
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3. Run `./reStream.sh`
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4. A screen will pop-up on your local machine, with a live view of your reMarkable!
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### Options
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- `-p --portrait`: shows the reMarkable screen in portrait mode (the default is landscape mode, 90 degrees rotated tot the right)
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- `-d --destination`: the ssh destination of the reMarkable (default: `root@10.11.99.1`)
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If you have problems, don't hesitate to [open an issue](https://github.com/rien/reStream/issues/new) or [send me an email](mailto:rien.maertens@posteo.be).
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## Requirements
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On your **host** machine:
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- Any POSIX-shell (e.g. bash)
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- ffmpeg (with ffplay)
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- ssh
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On your **reMarkable** nothing is needed, unless you want...
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### Sub-second latency
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To achieve sub-second latency, you'll need [lz4](https://github.com/lz4/lz4)
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on your host and on your reMarkable.
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You can install `lz4` on your host with your usual package manager. On Ubuntu,
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`apt install liblz4-tool` will do the trick.
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On your **reMarkable** you'll need a binary of `lz4` build for the arm platform,
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you can do this yourself by [installing the reMarkable toolchain](https://remarkablewiki.com/devel/qt_creator#toolchain)
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and compiling `lz4` from source with the toolchain enabled, or you can use the
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statically linked binary I have already built and put in this repo.
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Copy the `lz4` program to your reMarkable with
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`scp lz4.arm.static root@10.11.99.1:/home/root/lz4`, make it executable with
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`ssh root@10.11.99.1 'chmod +x /home/root/lz4'` and you're ready to go.
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## Troubleshooting
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Steps you can try if the script isn't working:
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- [Set up an SSH key](#installation)
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- Update `ffmpeg` to version 4.
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