public void OnDivideWav(DivisionInfo divisionInfo)
{
var wavPositions = divisionInfo.GetPositions();
var itemsGroupedWithBelongedWavIndex = items.GroupBy(item =>
{
var nextWavPosition = wavPositions.FirstOrDefault(x => x > item.StartMs);
if (nextWavPosition == 0.0)
{
return(wavPositions.Count - 1);
}
var nextWavIndex = wavPositions.IndexOf(nextWavPosition);
return(nextWavIndex - 1);
});
items = itemsGroupedWithBelongedWavIndex.SelectMany(group =>
{
var belongedWavIndex = group.Key;
var items = group.ToList();
return(items.Select(item =>
{
var newWaveFileName = divisionInfo.Items[belongedWavIndex].FileName;
var newStartMs = item.StartMs - wavPositions[belongedWavIndex];
return item.Copy(newWaveFileName, newStartMs);
}));
}).ToList();
}
public void OnRestoreDividedWav(string longWavFileName, DivisionInfo divisionInfo)
{
var wavPositions = divisionInfo.GetPositions();
items = items.Select(item =>
{
var infoItem = divisionInfo.Items.First(x => x.FileName == item.WavFileName);
var position = wavPositions[divisionInfo.Items.IndexOf(infoItem)];
var newStartMs = item.StartMs + position;
return(item.Copy(longWavFileName, newStartMs));
}).ToList();
}