/// ------------------------------------------------------------------------------------
public bool Read(RecordCache recCache)
{
var reader = new SaAudioDocumentReader(m_worker);
if (!reader.Initialize(m_dataSource.SourceFile) || reader.Words == null)
{
return(false);
}
// Make only a single record entry for the entire wave file.
var recCacheEntry = new RecordCacheEntry(false, m_project)
{
DataSource = m_dataSource,
NeedsParsing = false,
Channels = reader.Channels,
BitsPerSample = reader.BitsPerSample,
SamplesPerSecond = reader.SamplesPerSecond,
};
var audioField = m_project.GetAudioFileField();
recCacheEntry.SetValue(audioField.Name, m_dataSource.SourceFile);
m_worker.ReportProgress(0);
// Get all the record level fields.
foreach (var fname in m_dataSource.FieldMappings.Where(m => !m.IsParsed).Select(m => m.Field.Name))
{
SetFieldValueFromObject(typeof(SaAudioDocumentReader), fname, reader, recCacheEntry.SetValue);
}
int wordIndex = 0;
recCacheEntry.WordEntries = new List <WordCacheEntry>();
foreach (var kvp in reader.Words)
{
var wentry = new WordCacheEntry(recCacheEntry, wordIndex++);
foreach (var fname in m_dataSource.FieldMappings.Where(m => m.IsParsed).Select(m => m.Field.Name))
{
SetFieldValueFromObject(typeof(AudioDocWords), fname, kvp.Value, wentry.SetValue);
}
wentry.AudioOffset = kvp.Key;
wentry.AudioLength = kvp.Value.AudioLength;
recCacheEntry.WordEntries.Add(wentry);
}
recCache.Add(recCacheEntry);
return(true);
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Loads the transcription file for the specified audio file path.
/// </summary>
/// ------------------------------------------------------------------------------------
public static SaAudioDocument Load(string audioFilePath, bool isForTmpOperation,
bool returnNullIfNoExist)
{
// Make sure the wave file exists.
if (!File.Exists(audioFilePath))
{
SaAudioDocumentReader.ShowWaveFileNotFoundMsg(audioFilePath);
return(null);
}
// Get what the file name should be for the transcription file.
string transcriptionFile = GetTranscriptionFile(audioFilePath, isForTmpOperation);
SaAudioDocument doc;
// If it doesn't exist, it means the audio file doesn't have any transcriptions.
if (!File.Exists(transcriptionFile))
{
if (returnNullIfNoExist)
{
return(null);
}
doc = new SaAudioDocument(audioFilePath);
}
else
{
// Get the transcription data from the companion transcription file.
Exception e;
s_audioFileLoading = audioFilePath;
doc = XmlSerializationHelper.DeserializeFromFile <SaAudioDocument>(transcriptionFile, out e);
if (e != null)
{
ErrorReport.ReportNonFatalException(e);
return(null);
}
s_audioFileLoading = null;
doc.AudioFile = audioFilePath;
}
doc.m_docVer = kCurrSaDocVersion;
doc.m_isForTmpOperation = isForTmpOperation;
return(doc);
}