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Copy pathSpeechDisplayWidget.cs
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123 lines (106 loc) · 3.81 KB
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/**
* Copyright 2015 IBM Corp. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
using IBM.Watson.DeveloperCloud.DataTypes;
using IBM.Watson.DeveloperCloud.Services.SpeechToText.v1;
using UnityEngine;
using UnityEngine.UI;
#pragma warning disable 414
namespace IBM.Watson.DeveloperCloud.Widgets
{
/// <summary>
/// Simple class for displaying the SpeechToText result data in the UI.
/// </summary>
public class SpeechDisplayWidget : Widget
{
#region Inputs
[SerializeField]
private Input m_SpeechInput = new Input("SpeechInput", typeof(SpeechToTextData), "OnSpeechInput");
#endregion
#region Widget interface
/// <exclude />
protected override string GetName()
{
return "SpeechDisplay";
}
#endregion
#region Private Data
[SerializeField]
private bool m_ContinuousText = false;
[SerializeField]
private Text m_Output = null;
[SerializeField]
private InputField m_OutputAsInputField = null;
[SerializeField]
private Text m_OutputStatus = null;
[SerializeField]
private float m_MinConfidenceToShow = 0.5f;
private string m_PreviousOutputTextWithStatus = "";
private string m_PreviousOutputText = "";
private float m_ThresholdTimeFromLastInput = 3.0f; //3 secs as threshold time. After 3 secs from last OnSpeechInput, we are considering input as new input
private float m_TimeAtLastInterim = 0.0f;
#endregion
#region Event Handlers
private void OnSpeechInput(Data data)
{
if (m_Output != null || m_OutputAsInputField != null)
{
SpeechRecognitionEvent result = ((SpeechToTextData)data).Results;
if (result != null && result.results.Length > 0)
{
string outputTextWithStatus = "";
string outputText = "";
if (Time.time - m_TimeAtLastInterim > m_ThresholdTimeFromLastInput)
{
if (m_Output != null)
m_PreviousOutputTextWithStatus = m_Output.text;
if (m_OutputAsInputField != null)
m_PreviousOutputText = m_OutputAsInputField.text;
}
if (m_Output != null && m_ContinuousText)
outputTextWithStatus = m_PreviousOutputTextWithStatus;
if (m_OutputAsInputField != null && m_ContinuousText)
outputText = m_PreviousOutputText;
foreach (var res in result.results)
{
foreach (var alt in res.alternatives)
{
string text = alt.transcript;
if (m_Output != null)
{
m_Output.text = string.Concat(outputTextWithStatus, string.Format("{0} ({1}, {2:0.00})\n", text, res.final ? "Final" : "Interim", alt.confidence));
}
if (m_OutputAsInputField != null)
{
if (!res.final || alt.confidence > m_MinConfidenceToShow)
{
m_OutputAsInputField.text = string.Concat(outputText, " ", text);
if (m_OutputStatus != null)
{
m_OutputStatus.text = string.Format("{0}, {1:0.00}", res.final ? "Final" : "Interim", alt.confidence);
}
}
}
if (!res.final)
m_TimeAtLastInterim = Time.time;
}
}
}
}
}
#endregion
}
}