Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Speech / Src / Internal / Synthesis / EngineSiteSapi.cs / 1 / EngineSiteSapi.cs
//------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//
//
// History:
// 2/1/2005 jeanfp Created from the Sapi Managed code
//-----------------------------------------------------------------
using System;
using System.IO;
using System.Runtime.InteropServices;
using System.Runtime.InteropServices.ComTypes;
using System.Speech.Synthesis.TtsEngine;
using System.Speech.Internal.SapiInterop;
#pragma warning disable 1634, 1691 // Allows suppression of certain PreSharp messages.
#pragma warning disable 56500 // Remove all the catch all statements warnings used by the interop layer
namespace System.Speech.Internal.Synthesis
{
[ComVisible (true)]
internal class EngineSiteSapi : ISpEngineSite
{
//*******************************************************************
//
// Constructors
//
//*******************************************************************
#region Constructors
internal EngineSiteSapi (EngineSite site, ResourceLoader resourceLoader)
{
_site = site;
}
#endregion
//********************************************************************
//
// Internal Methods
//
//*******************************************************************
#region Internal Methods
///
/// Adds events directly to an event sink.
///
///
///
void ISpEngineSite.AddEvents ([MarshalAs (UnmanagedType.LPArray, SizeParamIndex = 1)] SpeechEventSapi [] eventsSapi, int ulCount)
{
SpeechEventInfo [] events = new SpeechEventInfo [eventsSapi.Length];
for (int i = 0; i < eventsSapi.Length; i++)
{
SpeechEventSapi sapiEvt = eventsSapi [i];
events [i].EventId = sapiEvt.EventId;
events [i].ParameterType = sapiEvt.ParameterType;
events [i].Param1 = (int) sapiEvt.Param1;
events [i].Param2 = sapiEvt.Param2;
}
_site.AddEvents (events, ulCount);
}
///
/// Passes back the event interest for the voice.
///
void ISpEngineSite.GetEventInterest (out Int64 eventInterest)
{
eventInterest = (uint) _site.EventInterest;
}
///
/// Queries the voice object to determine which real-time action(s) to perform
///
///
/// Queries the voice object to determine which real-time action(s) to perform.
///
///
///
///
void ISpEngineSite.Write (IntPtr pBuff, int cb, IntPtr pcbWritten)
{
pcbWritten = (IntPtr) _site.Write (pBuff, cb);
}
///
/// Retrieves the current TTS rendering rate adjustment that should be used by the engine.
///
///
void ISpEngineSite.GetRate (out int pRateAdjust)
{
pRateAdjust = _site.Rate;
}
///
/// Retrieves the base output volume level the engine should use during synthesis.
///
///
void ISpEngineSite.GetVolume (out Int16 pusVolume)
{
pusVolume = (Int16) _site.Volume;
}
///
/// Retrieves the number and type of items to be skipped in the text stream.
///
///
///
void ISpEngineSite.GetSkipInfo (out int peType, out int plNumItems)
{
SkipInfo si = _site.GetSkipInfo ();
if (si != null)
{
peType = si.Type;
plNumItems = si.Count;
}
else
{
peType = (int) 1; // BSPVSKIPTYPE.SPVST_SENTENCE;
plNumItems = 0;
}
}
///
/// Notifies that the last skip request has been completed and to pass it the results.
///
///
void ISpEngineSite.CompleteSkip (int ulNumSkipped)
{
_site.CompleteSkip (ulNumSkipped);
}
///
/// Load a file either from a local network or from the Internet.
///
///
///
///
void ISpEngineSite.LoadResource (string uri, ref string mediaType, out IStream stream)
{
mediaType = null;
#pragma warning disable 56518 // BinaryReader can't be disposed because underlying stream still in use.
try
{
// Get the mime type
Stream localStream = _site.LoadResource (new Uri (uri, UriKind.RelativeOrAbsolute), mediaType);
BinaryReader reader = new BinaryReader (localStream);
byte [] waveFormat = System.Speech.Internal.Synthesis.AudioBase.GetWaveFormat (reader);
mediaType = null;
if (waveFormat != null)
{
WAVEFORMATEX hdr = WAVEFORMATEX.ToWaveHeader (waveFormat);
switch ((WaveFormatId) hdr.wFormatTag)
{
case WaveFormatId.Alaw:
case WaveFormatId.Mulaw:
case WaveFormatId.Pcm:
mediaType = "audio/x-wav";
break;
}
}
localStream.Position = 0;
stream = new SpStreamWrapper (localStream);
}
catch
{
stream = null;
}
#pragma warning restore 56518
}
#endregion
//********************************************************************
//
// Private Fields
//
//********************************************************************
#region private Fields
private EngineSite _site;
private enum WaveFormatId
{
Pcm = 1,
Alaw = 0x0006,
Mulaw = 0x0007,
}
#endregion
}
//*******************************************************************
//
// Internal Interfaces
//
//********************************************************************
#region Internal Interfaces
///
/// TODOC
///
[ComImport, Guid ("9880499B-CCE9-11D2-B503-00C04F797396"), System.Runtime.InteropServices.InterfaceTypeAttribute (1)]
internal interface ISpEngineSite
{
///
/// TODOC
///
void AddEvents ([MarshalAs (UnmanagedType.LPArray, SizeParamIndex = 1)] SpeechEventSapi [] events, int count);
///
/// TODOC
///
void GetEventInterest (out Int64 eventInterest);
///
/// TODOC
///
[PreserveSig]
int GetActions ();
///
/// TODOC
///
void Write (IntPtr data, int count, IntPtr bytesWritten);
///
/// TODOC
///
void GetRate (out int rate);
///
/// TODOC
///
void GetVolume (out Int16 volume);
///
/// TODOC
///
void GetSkipInfo (out int type, out int count);
///
/// TODOC
///
void CompleteSkip (int skipped);
///
/// TODOC
///
void LoadResource ([MarshalAs(UnmanagedType.LPWStr)] string resource, ref string mediaType, out IStream stream);
}
///
/// TODOC
///
[StructLayout (LayoutKind.Sequential)]
internal struct SpeechEventSapi
{
///
/// TODOC
///
public Int16 EventId;
///
/// TODOC
///
public Int16 ParameterType;
///
/// TODOC
///
public Int32 StreamNumber;
///
/// TODOC
///
public Int64 AudioStreamOffset;
///
/// TODOC
///
public IntPtr Param1; // Always just a numeric type - contains no unmanaged resources so does not need special clean-up.
///
/// TODOC
///
public IntPtr Param2; // Can be a numeric type, or pointer to string or object. Use SafeSapiLParamHandle to cleanup.
/// TODOC
public static bool operator == (SpeechEventSapi event1, SpeechEventSapi event2)
{
return event1.EventId == event2.EventId && event1.ParameterType == event2.ParameterType && event1.StreamNumber == event2.StreamNumber && event1.AudioStreamOffset == event2.AudioStreamOffset && event1.Param1 == event2.Param1 && event1.Param2 == event2.Param2;
}
/// TODOC
public static bool operator != (SpeechEventSapi event1, SpeechEventSapi event2)
{
return !(event1 == event2);
}
/// TODOC
public override bool Equals (object obj)
{
if (!(obj is SpeechEventSapi))
{
return false;
}
return this == (SpeechEventSapi) obj;
}
/// TODOC
public override int GetHashCode ()
{
return base.GetHashCode ();
}
}
#endregion
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//
//
// History:
// 2/1/2005 jeanfp Created from the Sapi Managed code
//-----------------------------------------------------------------
using System;
using System.IO;
using System.Runtime.InteropServices;
using System.Runtime.InteropServices.ComTypes;
using System.Speech.Synthesis.TtsEngine;
using System.Speech.Internal.SapiInterop;
#pragma warning disable 1634, 1691 // Allows suppression of certain PreSharp messages.
#pragma warning disable 56500 // Remove all the catch all statements warnings used by the interop layer
namespace System.Speech.Internal.Synthesis
{
[ComVisible (true)]
internal class EngineSiteSapi : ISpEngineSite
{
//*******************************************************************
//
// Constructors
//
//*******************************************************************
#region Constructors
internal EngineSiteSapi (EngineSite site, ResourceLoader resourceLoader)
{
_site = site;
}
#endregion
//********************************************************************
//
// Internal Methods
//
//*******************************************************************
#region Internal Methods
///
/// Adds events directly to an event sink.
///
///
///
void ISpEngineSite.AddEvents ([MarshalAs (UnmanagedType.LPArray, SizeParamIndex = 1)] SpeechEventSapi [] eventsSapi, int ulCount)
{
SpeechEventInfo [] events = new SpeechEventInfo [eventsSapi.Length];
for (int i = 0; i < eventsSapi.Length; i++)
{
SpeechEventSapi sapiEvt = eventsSapi [i];
events [i].EventId = sapiEvt.EventId;
events [i].ParameterType = sapiEvt.ParameterType;
events [i].Param1 = (int) sapiEvt.Param1;
events [i].Param2 = sapiEvt.Param2;
}
_site.AddEvents (events, ulCount);
}
///
/// Passes back the event interest for the voice.
///
void ISpEngineSite.GetEventInterest (out Int64 eventInterest)
{
eventInterest = (uint) _site.EventInterest;
}
///
/// Queries the voice object to determine which real-time action(s) to perform
///
///
/// Queries the voice object to determine which real-time action(s) to perform.
///
///
///
///
void ISpEngineSite.Write (IntPtr pBuff, int cb, IntPtr pcbWritten)
{
pcbWritten = (IntPtr) _site.Write (pBuff, cb);
}
///
/// Retrieves the current TTS rendering rate adjustment that should be used by the engine.
///
///
void ISpEngineSite.GetRate (out int pRateAdjust)
{
pRateAdjust = _site.Rate;
}
///
/// Retrieves the base output volume level the engine should use during synthesis.
///
///
void ISpEngineSite.GetVolume (out Int16 pusVolume)
{
pusVolume = (Int16) _site.Volume;
}
///
/// Retrieves the number and type of items to be skipped in the text stream.
///
///
///
void ISpEngineSite.GetSkipInfo (out int peType, out int plNumItems)
{
SkipInfo si = _site.GetSkipInfo ();
if (si != null)
{
peType = si.Type;
plNumItems = si.Count;
}
else
{
peType = (int) 1; // BSPVSKIPTYPE.SPVST_SENTENCE;
plNumItems = 0;
}
}
///
/// Notifies that the last skip request has been completed and to pass it the results.
///
///
void ISpEngineSite.CompleteSkip (int ulNumSkipped)
{
_site.CompleteSkip (ulNumSkipped);
}
///
/// Load a file either from a local network or from the Internet.
///
///
///
///
void ISpEngineSite.LoadResource (string uri, ref string mediaType, out IStream stream)
{
mediaType = null;
#pragma warning disable 56518 // BinaryReader can't be disposed because underlying stream still in use.
try
{
// Get the mime type
Stream localStream = _site.LoadResource (new Uri (uri, UriKind.RelativeOrAbsolute), mediaType);
BinaryReader reader = new BinaryReader (localStream);
byte [] waveFormat = System.Speech.Internal.Synthesis.AudioBase.GetWaveFormat (reader);
mediaType = null;
if (waveFormat != null)
{
WAVEFORMATEX hdr = WAVEFORMATEX.ToWaveHeader (waveFormat);
switch ((WaveFormatId) hdr.wFormatTag)
{
case WaveFormatId.Alaw:
case WaveFormatId.Mulaw:
case WaveFormatId.Pcm:
mediaType = "audio/x-wav";
break;
}
}
localStream.Position = 0;
stream = new SpStreamWrapper (localStream);
}
catch
{
stream = null;
}
#pragma warning restore 56518
}
#endregion
//********************************************************************
//
// Private Fields
//
//********************************************************************
#region private Fields
private EngineSite _site;
private enum WaveFormatId
{
Pcm = 1,
Alaw = 0x0006,
Mulaw = 0x0007,
}
#endregion
}
//*******************************************************************
//
// Internal Interfaces
//
//********************************************************************
#region Internal Interfaces
///
/// TODOC
///
[ComImport, Guid ("9880499B-CCE9-11D2-B503-00C04F797396"), System.Runtime.InteropServices.InterfaceTypeAttribute (1)]
internal interface ISpEngineSite
{
///
/// TODOC
///
void AddEvents ([MarshalAs (UnmanagedType.LPArray, SizeParamIndex = 1)] SpeechEventSapi [] events, int count);
///
/// TODOC
///
void GetEventInterest (out Int64 eventInterest);
///
/// TODOC
///
[PreserveSig]
int GetActions ();
///
/// TODOC
///
void Write (IntPtr data, int count, IntPtr bytesWritten);
///
/// TODOC
///
void GetRate (out int rate);
///
/// TODOC
///
void GetVolume (out Int16 volume);
///
/// TODOC
///
void GetSkipInfo (out int type, out int count);
///
/// TODOC
///
void CompleteSkip (int skipped);
///
/// TODOC
///
void LoadResource ([MarshalAs(UnmanagedType.LPWStr)] string resource, ref string mediaType, out IStream stream);
}
///
/// TODOC
///
[StructLayout (LayoutKind.Sequential)]
internal struct SpeechEventSapi
{
///
/// TODOC
///
public Int16 EventId;
///
/// TODOC
///
public Int16 ParameterType;
///
/// TODOC
///
public Int32 StreamNumber;
///
/// TODOC
///
public Int64 AudioStreamOffset;
///
/// TODOC
///
public IntPtr Param1; // Always just a numeric type - contains no unmanaged resources so does not need special clean-up.
///
/// TODOC
///
public IntPtr Param2; // Can be a numeric type, or pointer to string or object. Use SafeSapiLParamHandle to cleanup.
/// TODOC
public static bool operator == (SpeechEventSapi event1, SpeechEventSapi event2)
{
return event1.EventId == event2.EventId && event1.ParameterType == event2.ParameterType && event1.StreamNumber == event2.StreamNumber && event1.AudioStreamOffset == event2.AudioStreamOffset && event1.Param1 == event2.Param1 && event1.Param2 == event2.Param2;
}
/// TODOC
public static bool operator != (SpeechEventSapi event1, SpeechEventSapi event2)
{
return !(event1 == event2);
}
/// TODOC
public override bool Equals (object obj)
{
if (!(obj is SpeechEventSapi))
{
return false;
}
return this == (SpeechEventSapi) obj;
}
/// TODOC
public override int GetHashCode ()
{
return base.GetHashCode ();
}
}
#endregion
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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