public static string GetErrorMessage(Un4seen.Bass.BASSError code)
{
StringBuilder sb = new StringBuilder();
sb.Append("音频组件初始化失败： ");
string detail = null;
switch (code)
{
case Un4seen.Bass.BASSError.BASS_ERROR_DX:
detail = "未安装DirectX。";
break;
case Un4seen.Bass.BASSError.BASS_ERROR_DEVICE:
detail = "无效的设备。";
break;
case Un4seen.Bass.BASSError.BASS_ERROR_ALREADY:
detail = "设备已经初始化。";
break;
case Un4seen.Bass.BASSError.BASS_ERROR_DRIVER:
detail = "没有可用的设备驱动，设备可能正在使用。";
break;
case Un4seen.Bass.BASSError.BASS_ERROR_FORMAT:
detail = "设备不支持此格式。";
break;
case Un4seen.Bass.BASSError.BASS_ERROR_MEM:
detail = "内存不足。";
break;
case Un4seen.Bass.BASSError.BASS_ERROR_NO3D:
detail = "无法初始化3D支持。";
break;
case Un4seen.Bass.BASSError.BASS_ERROR_UNKNOWN:
default:
detail = "未知错误。";
break;
}
sb.Append(detail);
return sb.ToString();
}
/// <summary>
/// Set a config with string value type.
/// </summary>
/// <param name="name">config name</param>
/// <param name="value">string value</param>
/// <returns>success or not</returns>
private static bool SetConfig(Un4seen.Bass.BASSConfig name, string value)
{
string nameString = name.ToString();
if (stringHandles.ContainsKey(nameString) && stringHandles[nameString] != IntPtr.Zero)
{
Marshal.FreeHGlobal(stringHandles[nameString]);
stringHandles.Remove(nameString);
}
var handle = value == null ? IntPtr.Zero : Marshal.StringToHGlobalAnsi(value);
if (Un4seen.Bass.Bass.BASS_SetConfigPtr(name, handle))
{
if (handle != IntPtr.Zero)
{
stringHandles[nameString] = handle;
}
return true;
}
if (handle != IntPtr.Zero)
{
Marshal.FreeHGlobal(handle);
}
return false;
}
public BassInitializationFailureException(Un4seen.Bass.BASSError code)
: base(GetErrorMessage(code))
{
Code = code;
}