/// <summary>
/// 释放相关资源
/// </summary>
public override void Dispose()
{
var retCode = (ErrorCode)AgeWrapper.ASAE_FSDK_UninitAgeEngine(Engine);
if (retCode != ErrorCode.Ok)
{
throw new FaceException(retCode);
}
}
/// <summary>
/// 初始化年龄识别
/// </summary>
/// <param name="appId">应用ID</param>
/// <param name="sdkKey">应用Key</param>
/// <param name="preAllocMemSize">缓存区内存大小（byte）</param>
public FaceAge(string appId, string sdkKey, int preAllocMemSize = 31457280) : base(appId, sdkKey,
preAllocMemSize)
{
var retCode =
(ErrorCode)AgeWrapper.ASAE_FSDK_InitAgeEngine(AppId, SdkKey, Buffer, PreAllocMemSize, out Engine);
if (retCode != ErrorCode.Ok)
{
throw new FaceException(retCode);
}
IsIntialized = true;
}
public override object ConvertTo(ITypeDescriptorContext context,
System.Globalization.CultureInfo culture,
object value,
Type destinationType)
{
// Can always convert to a string representation
if (destinationType == typeof(string))
{
AgeWrapper wrapper = (AgeWrapper)value;
return("Age is " + wrapper.Age.ToString());
}
// Let base class attempt other conversions
return(base.ConvertTo(context, culture, value, destinationType));
}
/// <summary>
/// 序列帧图片的年龄评估
/// </summary>
/// <param name="locate">已经识别的人脸位置信息（图片数据未释放，如果释放，将出现异常）</param>
/// <param name="autoDispose">是否自动释放检测的人脸资源</param>
/// <returns>包含年龄的位置信息</returns>
public override LocateResult PreviewEstimation(LocateResult locate, bool autoDispose = true)
{
return(Estimation(locate, input =>
{
var code = (ErrorCode)AgeWrapper.ASAE_FSDK_AgeEstimation_Preview(Engine, ref locate.OffInput,
ref input,
out var result);
if (code != ErrorCode.Ok)
{
throw new FaceException(code);
}
locate.Ages = result.pResult.ToStructArray <int>(result.lFaceNumber);
}, autoDispose));
}
/// <summary>
/// 获得识别引擎版本信息
/// </summary>
/// <returns>版本信息</returns>
public override SdkVersion GetVersion()
{
var retPtr = AgeWrapper.ASAE_FSDK_GetVersion(Engine);
var ret = Marshal.PtrToStructure <AFDT_FSDK_Version>(retPtr); //这里无法调用DestroyStructure
var result = new SdkVersion
{
Codebase = ret.codebase,
Major = ret.major,
Minor = ret.minor,
Build = ret.build,
Version = ret.version,
BuildDate = ret.buildDate,
Copyright = ret.copyright
};
return(result);
}
