99 lines
3.2 KiB
Markdown
99 lines
3.2 KiB
Markdown
# Discord Voice Recorder
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A [Discord.js](https://discord.js.org/#/) script which can record voice calls. Summon the bot to a voice channel, and voilà! the audio is piped right into your local machine. Jump to [Installation & Usage](https://github.com/chebro/discord-voice-recorder#installation-and-usage) to get started.
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<img src="https://i.imgur.com/faOjepH.png" width="500" align="right">
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### Index
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- [Installation and Usage](#installation-and-usage)
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- [Run Locally](#run-locally)
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- [Run in Container](#run-in-container)
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- [Bot Commands](#bot-commands)
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- [Managing the Output](#managing-the-output)
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- [Merge Recording](#merge-recording)
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- [Convert the Merged File to MP3](#convert-the-merged-file-to-mp3)
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_**Note:** Recording voice calls without prior consent violates privacy. Do not use this bot without approval. I'm not responsible for your insanity._
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## Installation and Usage
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Clone the repository :
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```
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git clone https://github.com/chebro/discord-voice-recorder/
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```
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[Create a discord bot](https://discordpy.readthedocs.io/en/latest/discord.html) if you don't have one already and invite the bot to your server, then:
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1. Create `config.json` file and a `/recordings` directory at the root folder.
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2. Paste the bot token (from [developer window](https://discord.com/developers/applications)) and any bot prefix into `config.json`, like so:
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```yaml
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{
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"BOT_TOKEN": "<YOUR_BOT_TOKEN>",
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"PREFIX": "<BOT_PREFIX>"
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}
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```
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You can run the script in any of the following two ways:
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### Run Locally
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1. Run `npm i` to download necessary `node_modules`.
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2. Run `npm start`.
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The bot should be online.
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### Run in Container
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1. Build the docker image:
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```
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docker build -t dvr .
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```
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2. Bind `/recordings` directory on host to container and start the container with a custom name:
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```
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docker run \
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--name <CONTAINER_NAME> \
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--mount type=bind,source="$(pwd)"/recordings,target=/usr/src/bot/recordings \
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dvr
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```
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The bot should be online.
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### Bot Commands
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+ Start Recording : `<PREFIX>enter <VOICE_CHANNEL_NAME>`
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+ Stop Recording : `<PREFIX>exit`
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## Managing the Output
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The output for each piece of audio stream is written to a unique file in [PCM format](https://en.wikipedia.org/wiki/Pulse-code_modulation) (48000 Hz, signed 16-bit little-endian, 2 channel (stereo)) and saved to the `/recordings` directory.
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### Merge Recording
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To merge all output files to `/recordings/merge.pcm`, run:
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```
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node /bin/merge.js
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```
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**Note:** Empty your `recordings` folder (and remove `merge.pcm`) after each session. Running `./bin/merge.js` otherwise will dump large merge files.
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### Convert the Merged File to MP3
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Head over to [FFmpeg.org](https://ffmpeg.org/download.html), and download executables for your OS; If you're on Windows, double-check if the FFmpeg bin is on your path. As discussed in issue [#3](https://github.com/chebro/discord-voice-recorder/issues/3), to convert pcm to mp3, run:
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```
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ffmpeg -f s16le -ar 48000 -ac 2 -i merge.pcm out.mp3
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```
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## Thanks
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Special thanks to [@eslachance](https://github.com/eslachance) for the [gist](https://gist.github.com/eslachance/fb70fc036183b7974d3b9191601846ba). It is what inspired me to make this repo.
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