src/Tizen.Multimedia.AudioIO/AudioIO/AudioIOUtil.cs

   1 /*
   2  * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the License);
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an AS IS BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 using System;
  18 using System.Diagnostics;
  19 using System.Linq;
  20
  21 namespace Tizen.Multimedia
  22 {
  23     internal static class AudioIOUtil
  24     {
  25         internal static void ThrowIfError(int errorCode, string msg = null)
  26         {
  27             AudioIOError code = (AudioIOError)errorCode;
  28             // 현재는 에러코드 최상위 exception으로 전달, 추후 상황에 맞게 케이스 처리해야 함.
  29
  30             msg = (msg == null ? "" : msg + " ") + $": { code }";
  31
  32             if (code > 0)
  33             {
  34                 Log.Info("Audio", "Code > 0, no error!!!!");
  35                 return;
  36             }
  37
  38             switch (code)
  39             {
  40                 case AudioIOError.None:
  41                     break;
  42                 case AudioIOError.OutOfMemory:
  43                     Log.Info("Audio", "OutOfMemoryException");
  44                     throw new OutOfMemoryException();
  45                 case AudioIOError.InvalidParameter:
  46                     Log.Info("Audio", "ArgumentException");
  47                     throw new ArgumentException(msg);
  48                 case AudioIOError.InvalidOperation:
  49                     throw new InvalidOperationException(msg);
  50                 case AudioIOError.PermissionDenied:
  51                     Log.Info("Audio", "Permission Denied Error");
  52                     throw new InvalidOperationException(msg);
  53                 case AudioIOError.NotSupported:
  54                     throw new NotSupportedException(msg);
  55                 case AudioIOError.DevicePolicyRestriction:
  56                     Log.Info("Audio", "Device_policy_restriction");
  57                     throw new Exception("Device_policy_restriction");
  58                 case AudioIOError.DeviceNotOpened:
  59                     Log.Info("Audio", "Device Not Opened Error");
  60                     throw new Exception("Device Not Opened Error");
  61                 case AudioIOError.DeviceNotClosed:
  62                     Log.Info("Audio", "Device Not Closed Error");
  63                     throw new Exception("Device Not Closed Error");
  64                 case AudioIOError.InvalidBuffer:
  65                     Log.Info("Audio", "Invalid Buffer Error");
  66                     throw new InvalidOperationException(msg);
  67                 case AudioIOError.SoundPolicy:
  68                     Log.Info("Audio", "Sound Policy Error");
  69                     throw new Exception(msg);
  70                 case AudioIOError.InvalidState:
  71                     Log.Info("Audio", "Invalid State Error");
  72                     throw new InvalidOperationException(msg);
  73                 case AudioIOError.NotSupportedType:
  74                     Log.Info("Audio", "Not supported stream type Error");
  75                     throw new NotSupportedException(msg);
  76                 default:
  77                     Log.Info("Audio", "Unknown Exception" + code);
  78                     throw new Exception(msg);
  79             }
  80         }
  81
  82         internal static void ValidateState(AudioIOState curState, params AudioIOState[] desiredStates)
  83         {
  84             Debug.Assert(desiredStates.Length > 0);
  85
  86             if (desiredStates.Contains(curState))
  87             {
  88                 return;
  89             }
  90
  91             throw new InvalidOperationException($"The audio is not in a valid state. " +
  92                 $"Current State : { curState }, Valid State : { string.Join(", ", desiredStates) }.");
  93         }
  94     }
  95 }