private void InitSoundTouch()
{
// 初始化 soundTouch
_soundTouch = new SoundTouchApi();
_soundTouch.CreateInstance();
_soundTouch.SetSampleRate(_waveChannel.WaveFormat.SampleRate);
_soundTouch.SetChannels(_waveChannel.WaveFormat.Channels);
_soundTouch.SetTempoChange(0f);
_soundTouch.SetPitchSemiTones(0f);
_soundTouch.SetRateChange(0f);
_soundTouch.SetTempo(TempoValue);
TimeStretchProfile = new TimeStretchProfile
{
AAFilterLength = 128,
Description = "demo1",
Id = "demo",
Overlap = 20,
SeekWindow = 80,
Sequence = 20,
UseAAFilter = true
};
_soundTouch.SetSetting(SoundTouchApi.SoundTouchSettings.SETTING_USE_AA_FILTER, TimeStretchProfile.UseAAFilter ? 1 : 0);
_soundTouch.SetSetting(SoundTouchApi.SoundTouchSettings.SETTING_AA_FILTER_LENGTH, TimeStretchProfile.AAFilterLength);
_soundTouch.SetSetting(SoundTouchApi.SoundTouchSettings.SETTING_OVERLAP_MS, TimeStretchProfile.Overlap);
_soundTouch.SetSetting(SoundTouchApi.SoundTouchSettings.SETTING_SEQUENCE_MS, TimeStretchProfile.Sequence);
_soundTouch.SetSetting(SoundTouchApi.SoundTouchSettings.SETTING_SEEKWINDOW_MS, TimeStretchProfile.SeekWindow);
_soundTouch.SetSetting(SoundTouchApi.SoundTouchSettings.SETTING_SEQUENCE_MS, 0);
}
private void InitTimeStretchProfile()
{
TimeStretchProfile = new TimeStretchProfile();
TimeStretchProfile.AAFilterLength = 128;
TimeStretchProfile.Description = "Optimum for Music and Speech";
TimeStretchProfile.Id = "Practice#_Optimum";
TimeStretchProfile.Overlap = 20;
TimeStretchProfile.SeekWindow = 80;
TimeStretchProfile.Sequence = 20;
TimeStretchProfile.UseAAFilter = true;
soundTouch.SetSetting(SoundTouchAPI.SoundTouchSettings.SETTING_USE_AA_FILTER, timeStretchProfile.UseAAFilter ? 1 : 0);
soundTouch.SetSetting(SoundTouchAPI.SoundTouchSettings.SETTING_AA_FILTER_LENGTH, timeStretchProfile.AAFilterLength);
soundTouch.SetSetting(SoundTouchAPI.SoundTouchSettings.SETTING_OVERLAP_MS, timeStretchProfile.Overlap);
soundTouch.SetSetting(SoundTouchAPI.SoundTouchSettings.SETTING_SEQUENCE_MS, timeStretchProfile.Sequence);
soundTouch.SetSetting(SoundTouchAPI.SoundTouchSettings.SETTING_SEEKWINDOW_MS, timeStretchProfile.SeekWindow);
}
private void InitTimeStretchProfile()
{
TimeStretchProfile = new TimeStretchProfile();
TimeStretchProfile.AAFilterLength = 128;
TimeStretchProfile.Description = "Optimum for Music and Speech";
TimeStretchProfile.Id = "Practice#_Optimum";
TimeStretchProfile.Overlap = 20;
TimeStretchProfile.SeekWindow = 80;
TimeStretchProfile.Sequence = 20;
TimeStretchProfile.UseAAFilter = true;
soundTouch.SetSetting(SoundTouchAPI.SoundTouchSettings.SETTING_USE_AA_FILTER, timeStretchProfile.UseAAFilter ? 1 : 0);
soundTouch.SetSetting(SoundTouchAPI.SoundTouchSettings.SETTING_AA_FILTER_LENGTH, timeStretchProfile.AAFilterLength);
soundTouch.SetSetting(SoundTouchAPI.SoundTouchSettings.SETTING_OVERLAP_MS, timeStretchProfile.Overlap);
soundTouch.SetSetting(SoundTouchAPI.SoundTouchSettings.SETTING_SEQUENCE_MS, timeStretchProfile.Sequence);
soundTouch.SetSetting(SoundTouchAPI.SoundTouchSettings.SETTING_SEEKWINDOW_MS, timeStretchProfile.SeekWindow);
}
/// <summary>
/// Loads the presets from the preset bank file
/// </summary>
/// <returns>
/// The active preset Id
/// </returns>
public string LoadPresetsBank(Dictionary <string, PresetControl> presetControls)
{
if (!File.Exists(m_presetsBankFilename))
{
return(null);
}
try
{
// Loads the presets bank XML file
XmlDocument doc = new XmlDocument();
doc.Load(m_presetsBankFilename);
XmlElement root = doc.DocumentElement;
XmlNode presetsBankNode = root.SelectSingleNode("/" + PresetBankFile.XML_Node_Root + "/" + PresetBankFile.XML_Node_PresetsBank);
string activePresetId = presetsBankNode.Attributes[PresetBankFile.XML_Attr_ActivePreset].Value;
XmlNodeList presetNodes = presetsBankNode.SelectNodes(PresetBankFile.XML_Node_Preset);
// Load all preset nodes
foreach (XmlNode presetNode in presetNodes)
{
string presetId = presetNode.Attributes[PresetBankFile.XML_Attr_Id].Value;
// Load XML values into PresetData object
PresetData presetData = presetControls[presetId].PresetData;
presetData.Tempo = ReadXMLAttributeFloat(presetNode, PresetBankFile.XML_Attr_Tempo, PresetData.DefaultTempo);
presetData.Pitch = ReadXMLAttributeFloat(presetNode, PresetBankFile.XML_Attr_Pitch, PresetData.DefaultPitch);
presetData.Volume = ReadXMLAttributeFloat(presetNode, PresetBankFile.XML_Attr_Volume, Properties.Settings.Default.DefaultVolume);
presetData.LoEqValue = ReadXMLAttributeFloat(presetNode, PresetBankFile.XML_Attr_LoEq, PresetData.DefaultLoEq);
presetData.MedEqValue = ReadXMLAttributeFloat(presetNode, PresetBankFile.XML_Attr_MedEq, PresetData.DefaultMedEq);
presetData.HiEqValue = ReadXMLAttributeFloat(presetNode, PresetBankFile.XML_Attr_HiEq, PresetData.DefaultHiEq);
presetData.CurrentPlayTime = TimeSpan.Parse(presetNode.Attributes[PresetBankFile.XML_Attr_PlayTime].Value);
presetData.StartMarker = TimeSpan.Parse(presetNode.Attributes[PresetBankFile.XML_Attr_LoopStartMarker].Value);
presetData.EndMarker = TimeSpan.Parse(presetNode.Attributes[PresetBankFile.XML_Attr_LoopEndMarker].Value);
presetData.Loop = Convert.ToBoolean(presetNode.Attributes[PresetBankFile.XML_Attr_IsLoop].Value);
presetData.Cue = TimeSpan.Parse(presetNode.Attributes[PresetBankFile.XML_Attr_Cue].Value);
presetData.Description = Convert.ToString(presetNode.Attributes[PresetBankFile.XML_Attr_Description].Value);
TimeStretchProfile timeStretchProfile = TimeStretchProfileManager.DefaultProfile;
if (presetNode.Attributes[PresetBankFile.XML_Attr_TimeStretchProfileId] != null)
{
string timeStretchProfileId = Convert.ToString(presetNode.Attributes[PresetBankFile.XML_Attr_TimeStretchProfileId].Value);
if (!TimeStretchProfileManager.TimeStretchProfiles.TryGetValue(timeStretchProfileId, out timeStretchProfile))
{
// Handle a mismatched profile by using the default profile
timeStretchProfile = TimeStretchProfileManager.DefaultProfile;
}
}
presetData.TimeStretchProfile = timeStretchProfile;
if (presetNode.Attributes[PresetBankFile.XML_Attr_RemoveVocals] != null)
{
presetData.RemoveVocals = Convert.ToBoolean(presetNode.Attributes[PresetBankFile.XML_Attr_RemoveVocals].Value);
}
PresetControl presetControl = presetControls[presetId];
presetControl.PresetDescription = presetData.Description;
}
return(activePresetId);
}
catch (Exception ex)
{
m_logger.ErrorException("Failed loading Presets Bank for file: " + m_currentAudioFilename, ex);
MessageBox.Show(null, "Failed loading Presets Bank for file: " + m_currentAudioFilename, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
return(null);
}
