private void BtnStartClick(object sender, EventArgs e)
{
DefaultFingerprintConfiguration configuration = new DefaultFingerprintConfiguration();
switch (hashAlgorithm)
{
case HashAlgorithm.LSH:
if (!fileList.Any())
{
MessageBox.Show(Resources.SelectFolderWithSongs, Resources.Songs, MessageBoxButtons.OK, MessageBoxIcon.Information);
break;
}
WinQueryResults winQueryResults = new WinQueryResults(
_numSecondsToAnalyze.Enabled ? (int)_numSecondsToAnalyze.Value : 0,
_numStartAtSecond.Enabled ? (int)_numStartAtSecond.Value : 0,
(int)_nudHashtables.Value,
(int)_nudKeys.Value,
Convert.ToInt32(_nudThreshold.Value),
WinUtils.GetStride((StrideType)_cmbStrideType.SelectedIndex, (int)_nudQueryStrideMax.Value, (int)_nudQueryStrideMin.Value, configuration.SamplesPerFingerprint),
tagService,
modelService,
queryCommandBuilder);
winQueryResults.Show();
winQueryResults.Refresh();
winQueryResults.ExtractCandidatesWithMinHashAlgorithm(fileList);
break;
case HashAlgorithm.NeuralHasher:
throw new NotImplementedException();
case HashAlgorithm.None:
throw new NotImplementedException();
}
}
private void BtnQueryFromMicrophoneClick(object sender, EventArgs e)
{
DefaultFingerprintConfiguration configuration = new DefaultFingerprintConfiguration();
int secondsToRecord = (int)_nudSecondsToRecord.Value;
int sampleRate = (int)_nudSampleRate.Value;
string pathToFile = "mic_" + DateTime.Now.Ticks + ".wav";
_gbQueryMicrophoneBox.Enabled = false;
Task<float[]>.Factory.StartNew(() => audioService.ReadMonoFromMicrophoneToFile(pathToFile, sampleRate, secondsToRecord)).ContinueWith(
task =>
{
_gbQueryMicrophoneBox.Enabled = true;
WinQueryResults winQueryResults = new WinQueryResults(
secondsToRecord,
0,
(int)_nudHashtables.Value,
(int)_nudKeys.Value,
(int)_nudThreshold.Value,
WinUtils.GetStride((StrideType)_cmbStrideType.SelectedIndex, (int)_nudQueryStrideMax.Value, (int)_nudQueryStrideMin.Value, configuration.SamplesPerFingerprint),
tagService,
modelService,
queryCommandBuilder);
winQueryResults.Show();
winQueryResults.Refresh();
winQueryResults.ExtractCandidatesUsingSamples(task.Result);
},
TaskScheduler.FromCurrentSynchronizationContext());
}
private void InsertInDatabase(int start, int end)
{
int topWavelets = (int)_nudTopWav.Value;
IStride stride = null;
Invoke(
new Action(
() =>
{
stride = WinUtils.GetStride(
(StrideType)_cmbStrideType.SelectedIndex,
(int)_nudStride.Value,
0,
new DefaultFingerprintConfiguration().SamplesPerFingerprint);
}),
null);
Action actionInterface = () =>
{
_pbTotalSongs.PerformStep();
_nudProcessed.Value = processed;
_nudLeft.Value = left;
_nudBadFiles.Value = badFiles;
_nudDetectedDuplicates.Value = duplicates;
};
Action <object[], Color> actionAddItems = (parameters, color) =>
{
int index = _dgvFillDatabase.Rows.Add(parameters);
_dgvFillDatabase.FirstDisplayedScrollingRowIndex = index;
if (color != Color.Empty)
{
_dgvFillDatabase.Rows[index].DefaultCellStyle.BackColor = color;
}
};
for (int i = start; i < end; i++)
{
// Process the corresponding files
if (stopFlag)
{
return;
}
TagInfo tags = tagService.GetTagInfo(fileList[i]); // Get Tags from file
if (tags == null || tags.IsEmpty)
{
badFiles++;
processed++;
left--;
Invoke(actionAddItems, new object[] { "TAGS ARE NULL", fileList[i], 0, 0 }, Color.Red);
Invoke(actionInterface);
continue;
}
string isrc = tags.ISRC;
string artist = tags.Artist; // Artist
string title = tags.Title; // Title
int releaseYear = tags.Year;
string album = tags.Album;
double duration = tags.Duration; // Duration
// Check whether the duration is OK
if (duration < MinTrackLength || duration > MaxTrackLength)
{
// Duration too small
badFiles++;
processed++;
left--;
Invoke(actionAddItems, new object[] { "Bad duration", fileList[i], 0, 0 }, Color.Red);
Invoke(actionInterface);
continue;
}
// Check whether the tags are properly defined
if (string.IsNullOrEmpty(isrc) && (string.IsNullOrEmpty(artist) || string.IsNullOrEmpty(title)))
{
badFiles++;
processed++;
left--;
Invoke(
actionAddItems,
new object[] { "ISRC Tag is missing. Skipping file...", fileList[i], 0, 0 },
Color.Red);
Invoke(actionInterface);
continue;
}
IModelReference trackReference;
try
{
lock (this)
{
// Check if this file is already in the database
if (IsDuplicateFile(isrc, artist, title))
{
duplicates++; // There is such file in the database
processed++;
left--;
Invoke(actionInterface);
continue;
}
var track = new TrackData(isrc, artist, title, album, releaseYear, (int)duration);
trackReference = modelService.InsertTrack(track); // Insert new Track in the database
}
}
catch (Exception e)
{
// catch any exception and abort the insertion
processed++;
left--;
badFiles++;
MessageBox.Show(e.Message, Resources.Error, MessageBoxButtons.OK, MessageBoxIcon.Error);
Invoke(actionInterface);
return;
}
int count;
try
{
var hashDatas = fingerprintCommandBuilder
.BuildFingerprintCommand()
.From(fileList[i])
.WithFingerprintConfig(
config =>
{
config.TopWavelets = topWavelets;
config.Stride = stride;
})
.UsingServices(audioService)
.Hash()
.Result; // Create SubFingerprints
modelService.InsertHashDataForTrack(hashDatas, trackReference);
count = hashDatas.Count;
}
catch (Exception e)
{
// catch any exception and abort the insertion
MessageBox.Show(e.Message, Resources.Error, MessageBoxButtons.OK, MessageBoxIcon.Error);
badFiles++;
processed++;
left--;
Invoke(actionInterface);
return;
}
Invoke(actionAddItems, new object[] { artist, title, isrc, duration, count }, Color.Empty);
left--;
processed++;
Invoke(actionInterface);
}
}