public void TestSingDemoSong()
{
var beatmap = new KaraokeBeatmap();
var data = TestResources.OpenTrackResource("demo");
var generated = new KaraokeAutoGeneratorBySinger(beatmap, data).Generate();
// Get generated frame and compare frame
var karaokeFrames = generated.Frames.OfType <KaraokeReplayFrame>().ToList();
var compareFrame = getCompareResultFromName("demo");
// Check total frames.
Assert.AreEqual(karaokeFrames.Count, compareFrame.Count, $"Replay frame should have {compareFrame.Count}.");
// Compare generated frame with result;
for (int i = 0; i < compareFrame.Count; i++)
{
Assert.AreEqual(karaokeFrames[i].Time, compareFrame[i].Time);
Assert.AreEqual(karaokeFrames[i].Sound, compareFrame[i].Sound);
if (!compareFrame[i].Sound)
{
continue;
}
var convertedScale = beatmap.PitchToScale(compareFrame[i].Pitch);
Assert.AreEqual(karaokeFrames[i].Scale, convertedScale);
}
}
public void TestNoteStair()
{
// | |
// | - |
// | - |
var beatmap = new KaraokeBeatmap();
beatmap.HitObjects.Add(new Note
{
Display = true,
StartTime = 1000,
Duration = 50,
Text = "kara",
Tone = new Tone(0, true)
});
beatmap.HitObjects.Add(new Note
{
Display = true,
StartTime = 1050,
Duration = 50,
Text = "oke!",
Tone = new Tone(1, true)
});
var generated = new KaraokeAutoGenerator(beatmap).Generate();
Assert.IsTrue(generated.Frames.Count == 3, "Replay must have 3 frames, note1's start, note2's start and note2's end.");
Assert.AreEqual(1000, generated.Frames[0].Time, "Incorrect time");
Assert.AreEqual(1050, generated.Frames[1].Time, "Incorrect time");
Assert.AreEqual(1101, generated.Frames[2].Time, "Incorrect time");
Assert.IsTrue(checkMatching(generated.Frames[0], new Tone(0, true)), "Frame1 should sing.");
Assert.IsTrue(checkMatching(generated.Frames[1], new Tone(1, true)), "Frame2 should sing.");
Assert.IsTrue(checkMatching(generated.Frames[2], null), "Frame3 should release sing.");
}
public void TestSingleNoteWithLongTime()
{
// | |
// | *** |
// | |
var beatmap = new KaraokeBeatmap();
beatmap.HitObjects.Add(new Note
{
Display = true,
StartTime = 1000,
Duration = 1000,
Text = "karaoke!",
Tone = new Tone(0, true)
});
var generated = new KaraokeAutoGenerator(beatmap).Generate();
Assert.IsTrue(generated.Frames.Count == 11, "Replay must have 11 frames,Start, duration(9 frames) and end.");
Assert.AreEqual(1000, generated.Frames[0].Time, "Incorrect hit time");
Assert.AreEqual(2001, generated.Frames[10].Time, "Incorrect time");
Assert.IsTrue(checkMatching(generated.Frames[0], new Tone(0, true)), "Fist frame should sing.");
Assert.IsTrue(checkMatching(generated.Frames[10], null), "Last frame should not sing.");
}
[TestCase(new[] { "[0,0]:か", "[0,0]:ら", "[0,0]:お", "[0,0]:け" }, "か\nら\nお\nけ")] // multi lyric.
public void TestEncodeBeatmapToPureText(string[] lyrics, string actual)
{
var encoder = new LyricTextEncoder();
var beatmap = new KaraokeBeatmap
{
HitObjects = TestCaseTagHelper.ParseLyrics(lyrics).OfType <KaraokeHitObject>().ToList()
};
var result = encoder.Encode(beatmap);
Assert.AreEqual(result, actual);
}
public void ApplyToDrawableRuleset(DrawableRuleset <KaraokeHitObject> drawableRuleset)
{
beatmap = drawableRuleset.Beatmap as KaraokeBeatmap;
if (drawableRuleset.Playfield is KaraokePlayfield karaokePlayfield)
{
karaokePlayfield.DisplayCursor = new BindableBool
{
Default = true,
Value = true
};
}
}
/// <summary>
/// Using audio's voice to generate replay frames
/// Logic is copied from <see cref="Waveform"/>
/// </summary>
/// <param name="beatmap"></param>
/// <param name="data"></param>
public KaraokeAutoGeneratorBySinger(KaraokeBeatmap beatmap, Stream data)
: base(beatmap)
{
if (data == null)
{
return;
}
readTask = Task.Run(() =>
{
int decodeStream = 0;
using (var fileCallbacks = new FileCallbacks(new DataStreamFileProcedures(data)))
{
decodeStream = Bass.CreateStream(StreamSystem.NoBuffer, BassFlags.Decode | BassFlags.Float, fileCallbacks.Callbacks, fileCallbacks.Handle);
}
Bass.ChannelGetInfo(decodeStream, out ChannelInfo info);
var totalLength = Bass.ChannelGetLength(decodeStream);
double trackLength = Bass.ChannelBytes2Seconds(decodeStream, totalLength) * 1000;
var length = totalLength;
long lengthSum = 0;
// Microphone at period 10
var bytesPerIteration = 3276 * info.Channels * TrackBass.BYTES_PER_SAMPLE;
var pitches = new Dictionary <double, float?>();
var sampleBuffer = new float[bytesPerIteration / TrackBass.BYTES_PER_SAMPLE];
// Read sample data
while (length > 0)
{
length = Bass.ChannelGetData(decodeStream, sampleBuffer, bytesPerIteration);
lengthSum += length;
// usually sample 1 is vocal
var channel0Sample = sampleBuffer.Where((x, i) => i % 2 == 0).ToArray();
//var channel1Sample = sampleBuffer.Where((x, i) => i % 2 != 0).ToArray();
// Convert buffer to pitch data
var time = lengthSum * trackLength / totalLength;
var pitch = Pitch.FromYin(channel0Sample, info.Frequency, low: 40, high: 1000);
pitches.Add(time, pitch == 0 ? default(float?) : pitch);
}
return(pitches);
}, cancelSource.Token);
}
public void ApplyToBeatmap(IBeatmap beatmap) => this.beatmap = beatmap as KaraokeBeatmap;
public KaraokeAutoGenerator(KaraokeBeatmap beatmap)
: base(beatmap)
{
}