82 lines
2.2 KiB
Dart
82 lines
2.2 KiB
Dart
import 'dart:typed_data';
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import 'package:dio/dio.dart';
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import 'api_client.dart';
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class VoiceStatus {
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final bool enabled;
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final bool stt;
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final bool tts;
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const VoiceStatus({
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required this.enabled,
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required this.stt,
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required this.tts,
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});
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/// True only when voice is enabled AND both STT and TTS are ready.
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bool get fullyAvailable => enabled && stt && tts;
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factory VoiceStatus.fromJson(Map<String, dynamic> json) => VoiceStatus(
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enabled: json['enabled'] as bool? ?? false,
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stt: json['stt'] as bool? ?? false,
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tts: json['tts'] as bool? ?? false,
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);
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}
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class VoiceApi {
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final Dio _dio;
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const VoiceApi(this._dio);
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/// Check whether voice features are available on this server.
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Future<VoiceStatus> checkStatus() async {
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try {
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final response = await _dio.get('/api/voice/status');
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return VoiceStatus.fromJson(response.data as Map<String, dynamic>);
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} on DioException catch (e) {
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throw dioToApp(e);
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}
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}
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/// POST WebM/Opus audio bytes and return the transcript string.
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/// Returns empty string on empty or error response.
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Future<String> transcribe(Uint8List audioBytes) async {
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try {
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final formData = FormData.fromMap({
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'audio': MultipartFile.fromBytes(
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audioBytes,
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filename: 'audio.webm',
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contentType: DioMediaType('audio', 'webm'),
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),
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});
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final response = await _dio.post(
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'/api/voice/transcribe',
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data: formData,
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options: Options(
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receiveTimeout: const Duration(seconds: 60),
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contentType: 'multipart/form-data',
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),
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);
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final data = response.data as Map<String, dynamic>;
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return (data['transcript'] as String? ?? '').trim();
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} on DioException catch (e) {
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throw dioToApp(e);
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}
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}
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/// POST text and return raw WAV bytes.
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Future<Uint8List> synthesise(String text) async {
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try {
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final response = await _dio.post(
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'/api/voice/synthesise',
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data: {'text': text},
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options: Options(responseType: ResponseType.bytes),
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);
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return Uint8List.fromList(response.data as List<int>);
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} on DioException catch (e) {
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throw dioToApp(e);
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}
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}
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}
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