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fix: 修复特征提取失败(错误码81929)

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问题: extractFaceFeature 返回错误码 81929 (MERR_FSDK_FACEFEATURE_FACEDATA)

根本原因: detectFaces 返回的人脸信息缺少 faceData 字段，
而虹软 SDK 的 extractFaceFeature 必须要有这个字段才能提取特征

修复:
- FaceEngineManager.convertFaceInfoToList: 添加返回 faceData
- ArcPlugin.handleExtractFaceFeature: 接收并传递 faceData 参数
- Dart API: extractFaceFeature 添加 faceData 参数
- example: 传递 faceData 到特征提取调用

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
leon
2026-03-30 16:58:12 +08:00
parent c9d57d160c
commit 86e268ae1c
7 changed files with 1611 additions and 3 deletions
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24
example/lib/main.dart
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@@ -525,6 +525,13 @@ class _FaceRecognitionScreenState extends State<FaceRecognitionScreen> {
return;
}
// 检查 faceData 是否存在
final faceData = _currentFaceInfo!['faceData'] as Uint8List?;
if (faceData == null) {
_showMessage('人脸数据缺失，请重新检测');
return;
}
setState(() {
_statusMessage = '正在提取特征...';
});
@@ -539,8 +546,9 @@ class _FaceRecognitionScreenState extends State<FaceRecognitionScreen> {
rectTop: _currentFaceInfo!['rectTop'] as int,
rectRight: _currentFaceInfo!['rectRight'] as int,
rectBottom: _currentFaceInfo!['rectBottom'] as int,
faceOrientation: _currentFaceInfo!['orient'] as int? ?? 0,
faceOrientation: _currentFaceInfo!['faceOrientation'] as int? ?? 0,
faceId: _currentFaceInfo!['faceId'] as int? ?? -1,
faceData: faceData, // 关键：传递 faceData，这是虹软 SDK 特征提取必需的数据
extractType: 0, // REGISTER 模式
mask: 0,
);
@@ -557,9 +565,11 @@ class _FaceRecognitionScreenState extends State<FaceRecognitionScreen> {
});
_showMessage('人脸注册成功！');
} else {
final errorCode = result?['errorCode'] ?? -1;
final errorMsg = result?['message'] ?? '未知错误';
debugPrint('特征提取失败: errorCode=$errorCode, message=$errorMsg');
setState(() {
_statusMessage = '特征提取失败: $errorMsg';
_statusMessage = '特征提取失败: [$errorCode] $errorMsg';
});
}
} catch (e) {
@@ -581,6 +591,13 @@ class _FaceRecognitionScreenState extends State<FaceRecognitionScreen> {
return;
}
// 检查 faceData 是否存在
final faceData = _currentFaceInfo!['faceData'] as Uint8List?;
if (faceData == null) {
_showMessage('人脸数据缺失，请重新检测');
return;
}
// 读取存储的特征
final prefs = await SharedPreferences.getInstance();
final storedFeatureBase64 = prefs.getString(_storedFeatureKey);
@@ -604,8 +621,9 @@ class _FaceRecognitionScreenState extends State<FaceRecognitionScreen> {
rectTop: _currentFaceInfo!['rectTop'] as int,
rectRight: _currentFaceInfo!['rectRight'] as int,
rectBottom: _currentFaceInfo!['rectBottom'] as int,
faceOrientation: _currentFaceInfo!['orient'] as int? ?? 0,
faceOrientation: _currentFaceInfo!['faceOrientation'] as int? ?? 0,
faceId: _currentFaceInfo!['faceId'] as int? ?? -1,
faceData: faceData, // 关键：传递 faceData，这是虹软 SDK 特征提取必需的数据
extractType: 1, // RECOGNIZE 模式
mask: 0,
);