public void CanCalculateAlbum(int number, int position, int count)
{
var info = new ReplayGainBatchInfo();
var expectation = Expectations[number];
var handles = new List <int>();
try
{
for (var a = position; a < count; a++)
{
var handle = Bass.CreateStream(Expectations[a].FileName, Flags: BassFlags.Decode | BassFlags.Float);
handles.Add(handle);
}
Assert.IsTrue(BassReplayGain.ProcessBatch(handles.ToArray(), out info));
for (var a = position; a < count; a++)
{
Assert.AreEqual(Math.Round(Expectations[a].Peak, 2), Math.Round(info.items[a].peak, 2));
Assert.AreEqual(Math.Round(Expectations[a].Gain, 2), Math.Round(info.items[a].gain, 2));
}
}
finally
{
foreach (var handle in handles)
{
Bass.StreamFree(handle);
}
}
Assert.AreEqual(Math.Round(expectation.Peak, 2), Math.Round(info.peak, 2));
Assert.AreEqual(Math.Round(expectation.Gain, 2), Math.Round(info.gain, 2));
}
protected virtual bool ScanGroup(IDictionary <ScannerItem, IBassStream> group)
{
if (group.Count == 0)
{
//Nothing to do.
return(true);
}
var channelHandles = group.Values
.Select(stream => stream.ChannelHandle)
.ToArray();
var info = default(ReplayGainBatchInfo);
if (!BassReplayGain.ProcessBatch(channelHandles, out info))
{
return(false);
}
foreach (var scannerItem in group.Keys)
{
var stream = group[scannerItem];
foreach (var item in info.items)
{
if (item.handle == stream.ChannelHandle)
{
scannerItem.ItemPeak = item.peak;
scannerItem.ItemGain = item.gain;
scannerItem.GroupPeak = info.peak;
scannerItem.GroupGain = info.gain;
break;
}
}
}
return(true);
}