MindWorkAI/AI-Studio
MindWorkAI/AI-Studio
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Use byte arrays instead of base64 for .NET / JS exchange

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This commit is contained in:
Thorsten Sommer 2026-01-06 15:53:11 +01:00
parent 84e2a96f49
commit fcbcaeb20a
Signed by: tsommer
GPG Key ID: 371BBA77A02C0108
2 changed files with 5 additions and 9 deletions
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5
app/MindWork AI Studio/Layout/MainLayout.razor.cs
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@ -428,7 +428,7 @@ public partial class MainLayout : LayoutComponentBase, IMessageBusReceiver, ILan
} }
[JSInvokable] [JSInvokable]
public async Task OnAudioChunkReceived(string base64Chunk) public async Task OnAudioChunkReceived(byte[] chunkBytes)
{ {
if (this.currentRecordingStream is null) if (this.currentRecordingStream is null)
{ {
@ -438,10 +438,9 @@ public partial class MainLayout : LayoutComponentBase, IMessageBusReceiver, ILan
try try
{ {
var chunkBytes = Convert.FromBase64String(base64Chunk);
await this.currentRecordingStream.WriteAsync(chunkBytes); await this.currentRecordingStream.WriteAsync(chunkBytes);
await this.currentRecordingStream.FlushAsync(); await this.currentRecordingStream.FlushAsync();
this.Logger.LogDebug("Wrote {ByteCount} bytes to recording stream.", chunkBytes.Length); this.Logger.LogDebug("Wrote {ByteCount} bytes to recording stream.", chunkBytes.Length);
} }
catch (Exception ex) catch (Exception ex)

9
app/MindWork AI Studio/wwwroot/app.js
View File

@ -93,13 +93,10 @@ window.audioRecorder = {
mediaRecorder.ondataavailable = async (event) => { mediaRecorder.ondataavailable = async (event) => {
if (event.data.size > 0) { if (event.data.size > 0) {
const arrayBuffer = await event.data.arrayBuffer(); const arrayBuffer = await event.data.arrayBuffer();
const base64 = btoa( const uint8Array = new Uint8Array(arrayBuffer);
new Uint8Array(arrayBuffer).reduce((data, byte) => data + String.fromCharCode(byte), '')
);
// Send chunk to .NET immediately:
try { try {
await dotnetReference.invokeMethodAsync('OnAudioChunkReceived', base64); await dotnetReference.invokeMethodAsync('OnAudioChunkReceived', uint8Array);
} catch (error) { } catch (error) {
console.error('Error sending audio chunk to .NET:', error); console.error('Error sending audio chunk to .NET:', error);
} }