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Refactor VoskRecognizer usage to ensure proper disposal

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Encapsulate VoskRecognizer instantiation within a using statement to guarantee resource disposal. This change improves memory management and aligns with best practices for resource handling. Also, maintain the existing logic structure for audio file processing.

Signed-off-by: Ivandro Jao <Ivandrofly@gmail.com>
This commit is contained in:
Ivandro Jao 2024-10-11 08:41:55 +01:00
parent 172b47cdcb
commit f133c82c85
1 changed files with 32 additions and 30 deletions
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62
src/ui/Forms/AudioToText/VoskDictate.cs
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@ -69,44 +69,46 @@ namespace Nikse.SubtitleEdit.Forms.AudioToText
_model = new Model(modelFileName);
}
var rec = new VoskRecognizer(_model, 16000.0f);
rec.SetMaxAlternatives(0);
rec.SetWords(true);
var list = new List<ResultText>();
var buffer = new byte[4096];
using (var source = File.OpenRead(WaveFileName))
using (var rec = new VoskRecognizer(_model, 16000.0f))
{
int bytesRead;
while ((bytesRead = source.Read(buffer, 0, buffer.Length)) > 0)
rec.SetMaxAlternatives(0);
rec.SetWords(true);
var list = new List<ResultText>();
var buffer = new byte[4096];
using (var source = File.OpenRead(WaveFileName))
{
if (rec.AcceptWaveform(buffer, bytesRead))
int bytesRead;
while ((bytesRead = source.Read(buffer, 0, buffer.Length)) > 0)
{
var res = rec.Result();
var results = VoskAudioToText.ParseJsonToResult(res);
list.AddRange(results);
}
else
{
var res = rec.PartialResult();
if (rec.AcceptWaveform(buffer, bytesRead))
{
var res = rec.Result();
var results = VoskAudioToText.ParseJsonToResult(res);
list.AddRange(results);
}
else
{
var res = rec.PartialResult();
}
}
}
}
var finalResult = rec.FinalResult();
var finalResults = VoskAudioToText.ParseJsonToResult(finalResult);
list.AddRange(finalResults);
var finalResult = rec.FinalResult();
var finalResults = VoskAudioToText.ParseJsonToResult(finalResult);
list.AddRange(finalResults);
try
{
File.Delete(WaveFileName);
WaveFileName = null;
}
catch
{
// ignore
}
try
{
File.Delete(WaveFileName);
WaveFileName = null;
}
catch
{
// ignore
}
return ResultListToText(list);
return ResultListToText(list);
}
}
private static string ResultListToText(List<ResultText> list)