correccion VAD en formato binario pcm16 - agrego transcripcion al live

whisper/lib/whisper_web/channels/audio_channel.ex

@@ -26,22 +26,20 @@ defmodule WhisperWeb.AudioChannel do
     <<header_len::16, rest::binary>> = raw_binary
     <<header::binary-size(header_len), audio::binary>> = rest
 
-    IO.inspect(header, label: "HEADER BINARIO RECIBIDO")
+    %{"sample_rate" => rate} = Jason.decode!(header)
+    ref = socket_id(socket)
 
-    case Jason.decode(header) do
-      {:ok, %{"sample_rate" => rate}} ->
-        Logger.info("Chunk recibido: #{byte_size(audio)} bytes, sample_rate: #{rate}")
-        AudioBuffer.append(socket_id(socket), {rate, audio})
-        {:noreply, socket}
+    Logger.info("Chunk recibido: #{byte_size(audio)} bytes, sample_rate: #{rate}")
+    AudioBuffer.append(ref, {rate, audio})
 
-      {:error, reason} ->
-        Logger.error("Error decodificando header JSON: #{inspect(reason)}")
-        {:noreply, socket}
-    end
+    # {:ok, path} = AudioSaver.save_chunk_as_wav(ref, audio, rate, "part")
+    # AudioFilesList.add_file(path)
+
+
+    {:noreply, socket}
   end
 
 
-
   @doc """
   Recupera todos los chunks acumulados en el buffer, los concatena y guarda un archivo WAV final (sufijo `"final"`).
   """
@@ -60,8 +58,8 @@ defmodule WhisperWeb.AudioChannel do
       Task.start(fn ->
         transcription = Whisper.SendToModel.large(path)
         Logger.info("✅ Transcripción completa:\n#{transcription}")
-        # message = %{"chunks" => [%{"text" => transcription}]}
-        # Phoenix.PubSub.broadcast(Whisper.PubSub, "transcription", {:transcription_m, Jason.encode!(message)})
+        message = %{"chunks" => [%{"text" => transcription}]}
+        Phoenix.PubSub.broadcast(Whisper.PubSub, "transcription", {:transcription, Jason.encode!(message)})
         File.rm!(path)
       end)
     end

whisper/lib/whisper_web/live/vad_live.ex

@@ -1,28 +1,48 @@
 defmodule WhisperWeb.VadLive do
     use WhisperWeb, :live_view
+  alias Phoenix.PubSub
 
     def mount(_, _, socket) do
-        {:ok, assign(socket, started: false)}
+        PubSub.subscribe(Whisper.PubSub, "transcription")
+
+        socket =
+            socket
+            |> assign(:transcription, "")
+            |> assign(:started, false)
+
+        {:ok, socket}
+    end
+
+    def handle_event("start_vad", _params, socket) do
+        push_event(socket, "init-vad", %{})
+        {:noreply, assign(socket, started: true)}
+    end
+
+    def handle_info({:transcription, raw_json}, socket) do
+        new_text =
+            raw_json
+            |> Jason.decode!()
+            |> get_in(["chunks", Access.at(0), "text"])
+        {:noreply, update(socket, :transcription, &(&1 <> " " <> new_text))}
     end
 
     def render(assigns) do
         ~H"""
         <div id="vad-container" phx-hook="VadHook">
             <button phx-click="start_vad" class="btn btn-primary">🎙 Iniciar VAD</button>
-            <button phx-click="stop_vad" class="btn btn-danger">🛑 Detener VAD</button>
+
             <div id="vad-status" class="mt-4 text-sm text-gray-700"></div>
         </div>
+    
+        <div id="transcriptionContainer" class="w-full max-w-2xl space-y-4">
+            <%= if @transcription != "" do %>
+                <div class="p-4 bg-gray-100 rounded shadow-md">
+                    <h2 class="text-sm font-semibold text-gray-700 mb-2">✅ Transcripción</h2>
+                    <p class="text-green-600 whitespace-pre-wrap break-words text-sm leading-relaxed"><%= @transcription %></p>
+                </div>
+            <% end %>
+        </div>
         """
     end
 
-    def handle_event("start_vad", _, socket) do
-        push_event(socket, "init-vad", %{})
-        {:noreply, socket}
-    end
-
-    def handle_event("stop_vad", _, socket) do
-        push_event(socket, "stop-vad", %{})
-        {:noreply, socket}
-    end
-
 end