Add voice assistant audio settings (#556)

aioesphomeapi/api.proto

@@ -1438,6 +1438,12 @@ message SubscribeVoiceAssistantRequest {
   bool subscribe = 1;
 }
 
+message VoiceAssistantAudioSettings {
+  uint32 noise_suppression_level = 1;
+  uint32 auto_gain = 2;
+  float volume_multiplier = 3;
+}
+
 message VoiceAssistantRequest {
   option (id) = 90;
   option (source) = SOURCE_SERVER;
@@ -1445,7 +1451,8 @@ message VoiceAssistantRequest {
 
   bool start = 1;
   string conversation_id = 2;
-  int32 flags = 3;
+  uint32 flags = 3;
+  VoiceAssistantAudioSettings audio_settings = 4;
 }
 
 message VoiceAssistantResponse {

aioesphomeapi/client.py

@@ -94,6 +94,7 @@ from .api_pb2 import (  # type: ignore
     SwitchStateResponse,
     TextSensorStateResponse,
     UnsubscribeBluetoothLEAdvertisementsRequest,
+    VoiceAssistantAudioSettings,
     VoiceAssistantEventData,
     VoiceAssistantEventResponse,
     VoiceAssistantRequest,
@@ -1354,7 +1355,9 @@ class APIClient:
 
     async def subscribe_voice_assistant(
         self,
-        handle_start: Callable[[str, int], Coroutine[Any, Any, int | None]],
+        handle_start: Callable[
+            [str, int, VoiceAssistantAudioSettings], Coroutine[Any, Any, int | None]
+        ],
         handle_stop: Callable[[], Coroutine[Any, Any, None]],
     ) -> Callable[[], None]:
         """Subscribes to voice assistant messages from the device.
@@ -1383,7 +1386,9 @@ class APIClient:
             command = VoiceAssistantCommand.from_pb(msg)
             if command.start:
                 start_task = asyncio.create_task(
-                    handle_start(command.conversation_id, command.flags)
+                    handle_start(
+                        command.conversation_id, command.flags, command.audio_settings
+                    )
                 )
                 start_task.add_done_callback(_started)
                 # We hold a reference to the start_task in unsub function

aioesphomeapi/model.py

@@ -1073,11 +1073,22 @@ class VoiceAssistantCommandFlag(enum.IntFlag):
     USE_WAKE_WORD = 1 << 1
 
 
+@_frozen_dataclass_decorator
+class VoiceAssistantAudioSettings(APIModelBase):
+    noise_suppression_level: int = 0
+    auto_gain: int = 0
+    volume_multiplier: float = 1.0
+
+
 @_frozen_dataclass_decorator
 class VoiceAssistantCommand(APIModelBase):
     start: bool = False
     conversation_id: str = ""
     flags: int = False
+    audio_settings: VoiceAssistantAudioSettings = converter_field(
+        default=VoiceAssistantAudioSettings(),
+        converter=VoiceAssistantAudioSettings.from_pb,
+    )
 
 
 class LogLevel(APIIntEnum):