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SMSoftware Mansion PD🧩 Plasmo Developers

•Created by Villain In Glasses on 7/3/2024 in #membrane-help

How do I invoke Pipeline.handle_info from a Phoenix.WebChannel?

I'm trying to pass audio from a Phoenix Web Channel to a Pipeline. Also, are there any notify_child usage examples? I don't understand how to use Membrane.Pipeline.notify_child. Do I need to define it first? If so, what should the definition look like? Update: I was able to pass a message to the pipeline by making the following changes to my Channel handle_inlike so:

def handle_in("new_audio", %{"data" => audio_data}, socket) do
    IO.inspect("pipelines: ")
    # IO.inspect(Membrane.Pipeline.list_pipelines())
    [head | _] = Membrane.Pipeline.list_pipelines()
    # IO.inspect(head)
    send(head, audio_data)
    {:noreply, socket}
  end

def handle_in("new_audio", %{"data" => audio_data}, socket) do
    IO.inspect("pipelines: ")
    # IO.inspect(Membrane.Pipeline.list_pipelines())
    [head | _] = Membrane.Pipeline.list_pipelines()
    # IO.inspect(head)
    send(head, audio_data)
    {:noreply, socket}
  end

But I got the error:

[error] <0.768.0>/ Error occured in Membrane Pipeline:
%Membrane.CallbackError{
  message: "Invalid value returned from AudioTranscription.StreamToFile.:handle_info:

[error] <0.768.0>/ Error occured in Membrane Pipeline:
%Membrane.CallbackError{
  message: "Invalid value returned from AudioTranscription.StreamToFile.:handle_info:

This is what my Membrane.Pipeline.handle_info looks like

@impl true
  def handle_info(audio_data, ctx, _state) do
    # Process the audio data
    IO.inspect("ctx")
    IO.inspect(ctx)
    IO.inspect("audio_data")
    IO.inspect(audio_data)
    # ctx.notify_child(AudioTranscription.Source, audio_data)
    # AudioTranscription.AudioSource.receive_audio_data(audio_data)
  end

@impl true
  def handle_info(audio_data, ctx, _state) do
    # Process the audio data
    IO.inspect("ctx")
    IO.inspect(ctx)
    IO.inspect("audio_data")
    IO.inspect(audio_data)
    # ctx.notify_child(AudioTranscription.Source, audio_data)
    # AudioTranscription.AudioSource.receive_audio_data(audio_data)
  end

9 replies

PD🧩 Plasmo Developers

•Created by Villain In Glasses on 5/23/2024 in #🔰newbie

npm run dev gives: SyntaxError: missing ) after argument list

Here is my package.json

{
  "name": "meets-helper",
  "displayName": "Meets helper",
  "version": "0.0.1",
  "description": "A Google Meets translator",
  "author": "[email protected]",
  "scripts": {
    "dev": "plasmo dev",
    "build": "plasmo build",
    "package": "plasmo package"
  },
  "dependencies": {
    "@ricky0123/vad-react": "0.0.23",
    "plasmo": "0.86.3",
    "react": "18.2.0",
    "react-dom": "18.2.0"
  },
  "devDependencies": {
    "@ianvs/prettier-plugin-sort-imports": "4.1.1",
    "@types/chrome": "0.0.258",
    "@types/node": "20.11.5",
    "@types/react": "18.2.48",
    "@types/react-dom": "18.2.18",
    "prettier": "3.2.4",
    "typescript": "5.3.3"
  },
  "manifest": {
    "host_permissions": [
      "https://*/*"
    ]
  }
}

{
  "name": "meets-helper",
  "displayName": "Meets helper",
  "version": "0.0.1",
  "description": "A Google Meets translator",
  "author": "[email protected]",
  "scripts": {
    "dev": "plasmo dev",
    "build": "plasmo build",
    "package": "plasmo package"
  },
  "dependencies": {
    "@ricky0123/vad-react": "0.0.23",
    "plasmo": "0.86.3",
    "react": "18.2.0",
    "react-dom": "18.2.0"
  },
  "devDependencies": {
    "@ianvs/prettier-plugin-sort-imports": "4.1.1",
    "@types/chrome": "0.0.258",
    "@types/node": "20.11.5",
    "@types/react": "18.2.48",
    "@types/react-dom": "18.2.18",
    "prettier": "3.2.4",
    "typescript": "5.3.3"
  },
  "manifest": {
    "host_permissions": [
      "https://*/*"
    ]
  }
}

I've attached the error stack as well. Please help

2 replies

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