src/Tizen.Uix.SttEngine/Interop/Interop.SttEngine.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
  18 using System;
  19 using System.Runtime.InteropServices;
  20 using Tizen.Uix.SttEngine;
  21 using static Tizen.Uix.SttEngine.Engine;
  22
  23 /// <summary>
  24 /// Partial Interop Class
  25 /// </summary>
  26 internal static partial class Interop
  27 {
  28     /// <summary>
  29     /// SttEngine Interop Class
  30     /// </summary>
  31     internal static class SttEngine
  32     {
  33         internal static string LogTag = "Tizen.Uix.SttEngine";
  34
  35         private const int ErrorStt = -0x02F00000;
  36
  37         public enum ErrorCode
  38         {
  39             None = Tizen.Internals.Errors.ErrorCode.None,                           /* Successful */
  40             OutOfMemory = Tizen.Internals.Errors.ErrorCode.OutOfMemory,             /* Out of Memory */
  41             IoError = Tizen.Internals.Errors.ErrorCode.IoError,                     /* I/O error */
  42             InvalidParameter = Tizen.Internals.Errors.ErrorCode.InvalidParameter,   /* Invalid parameter */
  43             NetworkDown = Tizen.Internals.Errors.ErrorCode.Networkdown,             /* Network down(Out of network) */
  44             InvalidState = ErrorStt | 0x01,                                         /* Invalid state */
  45             InvalidLanguage = ErrorStt | 0x02,                                      /* Invalid language */
  46             OperationFailed = ErrorStt | 0x04,                                      /* Operation failed  */
  47             NotSupportedFeature = ErrorStt | 0x05,                                  /* Not supported feature of current engine */
  48             NotSupported = Tizen.Internals.Errors.ErrorCode.NotSupported,           /* Device or resource busy */
  49             PermissionDenied = Tizen.Internals.Errors.ErrorCode.PermissionDenied,   /* Permission denied */
  50             RecordingTimedOut = ErrorStt | 0x06,                                    /* Recording timed out */
  51         };
  52
  53         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  54         internal delegate Error InitializeCb();
  55
  56         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  57         internal delegate Error DeinitializeCb();
  58
  59         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  60         internal delegate Error ForEachSupportedLangsCb(SupportedLanguages cb, IntPtr userData);
  61
  62         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  63         internal delegate Error IsValidLanguageCb(IntPtr language, IntPtr isValid);
  64
  65         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  66         internal delegate bool SupportSilenceDetectionCb();
  67
  68         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  69         internal delegate Error SupportRecognitionTypeCb(string type, out bool isSupported);
  70
  71         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  72         internal delegate Error GetRecordingFormatCb(out AudioType types, out int rate, out int channels);
  73
  74         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  75         internal delegate Error SetSilenceDetectionCb(bool isSet);
  76
  77         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  78         internal delegate Error CheckAppAgreedCb(string appid, out bool isAgreed);
  79
  80         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  81         internal delegate bool NeedAppCredentialCb();
  82
  83         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  84         internal delegate Error ForEachResultTimeCb(IntPtr timeInfo, ResultTime callback, IntPtr userData);
  85
  86         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  87         internal delegate Error StartCb(IntPtr language, IntPtr type, IntPtr appid, IntPtr credential, IntPtr userData);
  88
  89         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  90         internal delegate Error SetRecordingDataCb(string data, uint length);
  91
  92         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  93         internal delegate Error StopCb();
  94
  95         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  96         internal delegate Error CancelCb();
  97
  98         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  99         internal delegate Error GetInfoCb(out IntPtr engineUuid, out IntPtr engineName, out IntPtr engineSetting, out IntPtr useNetwork);
 100
 101         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
 102         internal delegate Error PrivateDataSetCb(string key, string data);
 103
 104         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
 105         internal delegate Error PrivateDataRequestedCb(string key, out string data);
 106
 107         [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
 108         internal struct RequestCallbackStruct
 109         {
 110             internal int version;
 111             [MarshalAs(UnmanagedType.FunctionPtr)]
 112             internal GetInfoCb getInfo;
 113             [MarshalAs(UnmanagedType.FunctionPtr)]
 114             internal InitializeCb initialize;
 115             [MarshalAs(UnmanagedType.FunctionPtr)]
 116             internal DeinitializeCb deinitialize;
 117             [MarshalAs(UnmanagedType.FunctionPtr)]
 118             internal ForEachSupportedLangsCb supportedLanaguge;
 119             [MarshalAs(UnmanagedType.FunctionPtr)]
 120             internal IsValidLanguageCb validLanaguage;
 121             [MarshalAs(UnmanagedType.FunctionPtr)]
 122             internal SupportSilenceDetectionCb silence;
 123             [MarshalAs(UnmanagedType.FunctionPtr)]
 124             internal SupportRecognitionTypeCb recognitionType;
 125             [MarshalAs(UnmanagedType.FunctionPtr)]
 126             internal GetRecordingFormatCb recordingFormat;
 127             [MarshalAs(UnmanagedType.FunctionPtr)]
 128             internal ForEachResultTimeCb resultTime;
 129             [MarshalAs(UnmanagedType.FunctionPtr)]
 130             internal SetSilenceDetectionCb silenceDetection;
 131             [MarshalAs(UnmanagedType.FunctionPtr)]
 132             internal StartCb start;
 133             [MarshalAs(UnmanagedType.FunctionPtr)]
 134             internal SetRecordingDataCb recordingData;
 135             [MarshalAs(UnmanagedType.FunctionPtr)]
 136             internal StopCb stop;
 137             [MarshalAs(UnmanagedType.FunctionPtr)]
 138             internal CancelCb cancel;
 139             [MarshalAs(UnmanagedType.FunctionPtr)]
 140             internal CheckAppAgreedCb checkAppAgreed;
 141             [MarshalAs(UnmanagedType.FunctionPtr)]
 142             internal NeedAppCredentialCb needAppCredential;
 143         };
 144
 145         internal sealed class CallbackStructGCHandle : IDisposable
 146         {
 147             internal RequestCallbackStruct CallbackStruct;
 148             internal GCHandle CallbackStructHandle;
 149             public CallbackStructGCHandle()
 150             {
 151                 CallbackStruct = new RequestCallbackStruct();
 152                 CallbackStructHandle = GCHandle.Alloc(CallbackStruct);
 153             }
 154
 155             #region IDisposable Support
 156             private bool disposedValue = false;
 157
 158             void Dispose(bool disposing)
 159             {
 160                 Tizen.Log.Info(LogTag, "In Dispose");
 161                 if (!disposedValue)
 162                 {
 163                     if (disposing)
 164                     {
 165                         Tizen.Log.Info(LogTag, "In Dispose free called");
 166                         CallbackStructHandle.Free();
 167                     }
 168
 169                     disposedValue = true;
 170                 }
 171             }
 172
 173             public void Dispose()
 174             {
 175                 Dispose(true);
 176             }
 177             #endregion
 178         }
 179
 180         [DllImport(Libraries.SttEngine, EntryPoint = "stte_main")]
 181         internal static extern Error STTEMain(int argc, string[] argv, IntPtr callback);
 182
 183         [DllImport(Libraries.SttEngine, EntryPoint = "stte_send_result")]
 184         internal static extern Error STTESendResult(ResultEvent resultEvent, string type, string[] result, int resultCount, string msg, IntPtr timeInfo, IntPtr userData);
 185
 186         [DllImport(Libraries.SttEngine, EntryPoint = "stte_send_error")]
 187         internal static extern Error STTESendError(Error error, string msg);
 188
 189         [DllImport(Libraries.SttEngine, EntryPoint = "stte_send_speech_status")]
 190         internal static extern Error STTESendSpeechStatus(SpeechStatus status, IntPtr userData);
 191
 192         [DllImport(Libraries.SttEngine, EntryPoint = "stte_set_private_data_set_cb")]
 193         internal static extern Error STTESetPrivateDataSetCb(PrivateDataSetCb callbackFunc);
 194
 195         [DllImport(Libraries.SttEngine, EntryPoint = "stte_set_private_data_requested_cb")]
 196         internal static extern Error STTESetPrivateDataRequestedCb(PrivateDataRequestedCb callbackFunc);
 197     }
 198 }