fix: mapping correct devices PipeWire inputTargetDevice/outputTargetDevice

- AudioBridge passe inputTargetDevice et outputTargetDevice à PipeWire
- Fix: PipeWire utilisait targetDevice au lieu de input/outputTargetDevice
- Devrait maintenant démarrer les streams pw-cat correctement

server/bridge/AudioBridge.js

@@ -213,17 +213,28 @@ export class AudioBridge extends EventEmitter {
     }
 
     // Initialisation du backend sélectionné
-    this.audioBackend = new BackendClass({
+    const backendOptions = {
       sampleRate: this.options.sampleRate,
       channels: this.options.channels,
       framesPerBuffer: this.options.frameSize,
-      inputDeviceId: this.options.inputDeviceId,
-      inputDeviceName: inputDeviceName,
-      outputDeviceId: this.options.outputDeviceId,
-      outputDeviceName: outputDeviceName,
-      // Options spécifiques PipeWire
       latency: this.options.latency || 20
-    });
+    };
+
+    // PipeWire utilise targetDevice, CoreAudio utilise inputDeviceName/outputDeviceName
+    if (this.backendType === 'PipeWire') {
+      // Pour PipeWire, on utilise inputDeviceId directement comme targetDevice
+      // (startCapture et startPlayback peuvent avoir des targets différents)
+      backendOptions.inputTargetDevice = this.options.inputDeviceId;
+      backendOptions.outputTargetDevice = this.options.outputDeviceId;
+    } else {
+      // CoreAudio et autres backends
+      backendOptions.inputDeviceId = this.options.inputDeviceId;
+      backendOptions.inputDeviceName = inputDeviceName;
+      backendOptions.outputDeviceId = this.options.outputDeviceId;
+      backendOptions.outputDeviceName = outputDeviceName;
+    }
+
+    this.audioBackend = new BackendClass(backendOptions);
 
     // Liste des devices disponibles
     devices = BackendClass.getDevices();

server/bridge/backends/PipeWireBackend.js

@@ -23,7 +23,8 @@ export class PipeWireBackend extends EventEmitter {
       sampleRate: options.sampleRate || 48000,
       channels: options.channels || 1,
       framesPerBuffer: options.framesPerBuffer || 960,
-      targetDevice: options.targetDevice || null,
+      inputTargetDevice: options.inputTargetDevice || null,
+      outputTargetDevice: options.outputTargetDevice || null,
       latency: options.latency || 20, // ms
       ...options
     };
@@ -186,8 +187,8 @@ export class PipeWireBackend extends EventEmitter {
       ];
 
       // Ajoute le device cible si spécifié
-      if (this.options.targetDevice) {
-        args.push(`--target=${this.options.targetDevice}`);
+      if (this.options.inputTargetDevice) {
+        args.push(`--target=${this.options.inputTargetDevice}`);
       }
 
       this.captureProcess = spawn('pw-cat', args);
@@ -258,8 +259,8 @@ export class PipeWireBackend extends EventEmitter {
         '-' // Lecture depuis stdin
       ];
 
-      if (this.options.targetDevice) {
-        args.push(`--target=${this.options.targetDevice}`);
+      if (this.options.outputTargetDevice) {
+        args.push(`--target=${this.options.outputTargetDevice}`);
       }
 
       this.playbackProcess = spawn('pw-cat', args);