static void SaveReverse(string FilePath)
{
try
{
var sfd = ReverseSaveDialog.Value;
sfd.FileName = Path.GetFileNameWithoutExtension(FilePath) + ".Reverse";
if (!sfd.ShowDialog().Value)
{
return;
}
var fc = Bass.CreateStream(FilePath, Flags: BassFlags.Decode);
var rc = BassFx.ReverseCreate(fc, 2, BassFlags.Decode | BassFlags.FxFreeSource);
var wf = WaveFormat.FromChannel(fc);
var writer = new WaveFileWriter(new FileStream(sfd.FileName, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.Read), wf);
var blockLength = (int)Bass.ChannelSeconds2Bytes(rc, 2);
var buffer = new byte[blockLength];
var gch = GCHandle.Alloc(buffer, GCHandleType.Pinned);
while (Bass.ChannelIsActive(rc) == PlaybackState.Playing)
{
var bytesReceived = Bass.ChannelGetData(rc, gch.AddrOfPinnedObject(), blockLength);
writer.Write(buffer, bytesReceived);
}
gch.Free();
writer.Dispose();
Bass.StreamFree(rc);
MessageBox.Show("Saved");
}
catch (Exception e) { MessageBox.Show($"Failed\n\n{e}"); }
}