private void RefreshMarkers(int x)
{
markers.Add(x);
markers.Sort();
m_parent.outputFiles.RemoveAllSoundFiles();
m_parent.dataGridView1.Rows.Clear();
m_parent.Refresh();
var soundFile = new SoundFile();
m_parent.addSoundFile(soundFile);
for (int i = 0; i < markers.Count; i++)
{
soundFile = new SoundFile
{
fileName = $"File_{i}",
startTimeSeconds = (i == 0) ? 0 : PointToTime(markers[i - 1]),
endTimeSeconds = PointToTime(markers[i])
};
m_parent.addSoundFile(soundFile);
}
soundFile = new SoundFile
{
fileName = $"File_{markers.Count}",
startTimeSeconds = PointToTime(markers[markers.Count - 1]),
endTimeSeconds = PointToTime(m_volumeSamples.Count)
};
m_parent.addSoundFile(soundFile);
}
public void AddSoundFile(SoundFile sound)
{
if (sound.tag == null)
{
sound.AddTagInfo(m_inputFileTags);
}
m_outputFiles.Add(index, sound);
}
public TAG_INFO FillInputFileTags(string inputFileText)
{
m_inputFileTags = BassTags.BASS_TAG_GetFromFile(inputFileText);
if (m_outputFiles == null)
{
var sound = new SoundFile(tag: m_inputFileTags);
m_outputFiles = new OutputFiles(sound);
}
return(m_inputFileTags);
}
public void addSoundFile(SoundFile sound)
{
outputFiles.AddSoundFile(sound);
AddRowToDataGridView(sound);
UpdateDGVRowNumbers();
if (outputFiles.CountOfSoundFiles > 1)
{
deleteButton.Enabled = true;
}
LeftAndRightButtonsEnableDisable();
UpdateEditingPosition();
}
public void AddRowToDataGridView(SoundFile sound)
{
int index = 0;
if (dataGridView1.Rows.Count == 0)
{
dataGridView1.Rows.Add();
}
else
{
index = outputFiles.GetCurrentFileIndex();
dataGridView1.Rows.Insert(index);
}
dataGridView1.Rows[index].Cells[1].Value = sound.fileName;
dataGridView1.Rows[index].Cells[2].Value = sound.startTimeSeconds;
dataGridView1.Rows[index].Cells[3].Value = sound.endTimeSeconds;
}
/// <summary>
/// Finds sections of silence in a sound stream.
/// </summary>
/// <param name="file">Filename for the sound stream.</param>
/// <param name="block">The block of time of a sample to get the level (peak amplitude), default is 20 miliseconds.</param>
/// <param name="silence">The silence time to split by default is 2000 miliseconds (2 seconds).</param>
/// <param name="minGap">The minimum time for the splits, default is 480000 miliseconds (8 mins).</param>
/// <param name="bgWorker">The BackgroundWorker to report progress.</param>
/// <returns>List of sound files</returns>
public static List <SoundFile> FindSilence(string file, float block = 20, float silence = 2000, float minGap = 480000, BackgroundWorker bgWorker = null)
{
int level = 0;
int count = 0;
float gap = 0;
float start = 0;
float position = block;
var buffer = new IntPtr();
var sounds = new List <SoundFile>();
var volumeStream = new List <int>();
var chan = Bass.BASS_StreamCreateFile(file, 0, 0, BASSFlag.BASS_STREAM_DECODE);
var len = Bass.BASS_ChannelSeconds2Bytes(chan, block / (float)1000 - (float)0.02);
while ((level = Bass.BASS_ChannelGetLevel(chan)) != -1)
{
int left = Utils.LowWord32(level);
int right = Utils.HighWord32(level);
volumeStream.Add(left + right);
if (((count = ((left + right) < 40000) ? count + 1 : 0) == silence / block) && (gap > minGap))
{
var pos = (int)Math.Round(position / 1000);
var sound = new SoundFile($"File_{pos}", start / 1000.0, position / 1000.0);
bgWorker?.ReportProgress(pos, sound);
start = position + 1;
sounds.Add(sound);
gap = 0;
}
else if (position % 50000 == 0)
{
bgWorker?.ReportProgress((int)Math.Round(position / 1000), volumeStream);
}
Bass.BASS_ChannelGetData(chan, buffer, (int)len);
position += block;
gap += block;
}
Bass.BASS_StreamFree(chan);
return(sounds);
}
