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using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Diagnostics;
using WaveLib.AudioMixer;
namespace MixerTest
{
public class MixerForm : System.Windows.Forms.Form
{
#region Form Variables Declaration
private System.Windows.Forms.Label lblOutput;
private System.Windows.Forms.Label lblInput;
private System.Windows.Forms.Label lblMixer;
private System.Windows.Forms.ComboBox cboOutputDevices;
private System.Windows.Forms.ComboBox cboInputDevices;
private System.Windows.Forms.TrackBar[][] tBarArray;
private System.Windows.Forms.TrackBar[][] tBarBalanceArray;
private System.Windows.Forms.Label[][] lblArray;
private System.Windows.Forms.CheckBox[][] chkBoxArray;
private System.Windows.Forms.GroupBox gbSplit;
private System.ComponentModel.IContainer components = null;
#endregion
#region Variables Declaration
private Mixers mMixers;
private bool mAvoidEvents;
#endregion
#region Constructors
public MixerForm()
{
InitializeComponent();
tBarArray = new TrackBar[2][];
tBarBalanceArray= new TrackBar[2][];
lblArray = new Label[2][];
chkBoxArray = new CheckBox[2][];
//Initialization
mMixers = new Mixers();
mMixers.Playback.MixerLineChanged += new WaveLib.AudioMixer.Mixer.MixerLineChangeHandler(mMixer_MixerLineChanged);
mMixers.Recording.MixerLineChanged += new WaveLib.AudioMixer.Mixer.MixerLineChangeHandler(mMixer_MixerLineChanged);
}
#endregion
#region Initialization and Disposing
protected override void Dispose( bool disposing )
{
if( disposing )
{
this.Load -= new System.EventHandler(this.Form1_Load);
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(MixerForm));
this.cboOutputDevices = new System.Windows.Forms.ComboBox();
this.lblOutput = new System.Windows.Forms.Label();
this.lblInput = new System.Windows.Forms.Label();
this.cboInputDevices = new System.Windows.Forms.ComboBox();
this.lblMixer = new System.Windows.Forms.Label();
this.gbSplit = new System.Windows.Forms.GroupBox();
this.SuspendLayout();
//
// cboOutputDevices
//
this.cboOutputDevices.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
this.cboOutputDevices.Location = new System.Drawing.Point(88, 32);
this.cboOutputDevices.Name = "cboOutputDevices";
this.cboOutputDevices.Size = new System.Drawing.Size(192, 21);
this.cboOutputDevices.TabIndex = 2;
this.cboOutputDevices.SelectedIndexChanged += new System.EventHandler(this.cboOutputDevices_SelectedIndexChanged);
//
// lblOutput
//
this.lblOutput.Font = new System.Drawing.Font("Verdana", 9.75F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.lblOutput.Location = new System.Drawing.Point(12, 32);
this.lblOutput.Name = "lblOutput";
this.lblOutput.Size = new System.Drawing.Size(100, 16);
this.lblOutput.TabIndex = 4;
this.lblOutput.Text = "Playback";
//
// lblInput
//
this.lblInput.Font = new System.Drawing.Font("Verdana", 9.75F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.lblInput.Location = new System.Drawing.Point(12, 259);
this.lblInput.Name = "lblInput";
this.lblInput.Size = new System.Drawing.Size(100, 20);
this.lblInput.TabIndex = 8;
this.lblInput.Text = "Recording";
//
// cboInputDevices
//
this.cboInputDevices.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
this.cboInputDevices.Location = new System.Drawing.Point(88, 259);
this.cboInputDevices.Name = "cboInputDevices";
this.cboInputDevices.Size = new System.Drawing.Size(192, 21);
this.cboInputDevices.TabIndex = 6;
this.cboInputDevices.SelectedIndexChanged += new System.EventHandler(this.cboInputDevices_SelectedIndexChanged);
//
// lblMixer
//
this.lblMixer.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.lblMixer.Font = new System.Drawing.Font("Microsoft Sans Serif", 9.75F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.lblMixer.Location = new System.Drawing.Point(16, 8);
this.lblMixer.Name = "lblMixer";
this.lblMixer.Size = new System.Drawing.Size(776, 16);
this.lblMixer.TabIndex = 9;
this.lblMixer.Text = "Mixer Controls";
this.lblMixer.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
//
// gbSplit
//
this.gbSplit.Location = new System.Drawing.Point(0, 243);
this.gbSplit.Name = "gbSplit";
this.gbSplit.Size = new System.Drawing.Size(800, 8);
this.gbSplit.TabIndex = 10;
this.gbSplit.TabStop = false;
//
// MixerForm
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.AutoScroll = true;
this.ClientSize = new System.Drawing.Size(800, 486);
this.Controls.Add(this.gbSplit);
this.Controls.Add(this.cboInputDevices);
this.Controls.Add(this.cboOutputDevices);
this.Controls.Add(this.lblMixer);
this.Controls.Add(this.lblInput);
this.Controls.Add(this.lblOutput);
this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
this.MaximumSize = new System.Drawing.Size(2000, 520);
this.MinimumSize = new System.Drawing.Size(0, 520);
this.Name = "MixerForm";
this.Text = "Mixer";
this.Load += new System.EventHandler(this.Form1_Load);
this.ResumeLayout(false);
}
#endregion
#endregion
#region MAIN
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.Run(new MixerForm());
}
#endregion
#region Events
private void Form1_Load(object sender, System.EventArgs e)
{
LoadComboSettings();
}
private void cboInputDevices_SelectedIndexChanged(object sender, EventArgs e)
{
LoadLines(MixerType.Recording);
}
private void cboOutputDevices_SelectedIndexChanged(object sender, EventArgs e)
{
LoadLines(MixerType.Playback);
}
private void tBar_ValueChanged(object sender, EventArgs e)
{
if (mAvoidEvents)
return;
TrackBar tBar = (TrackBar) sender;
MixerLine line = (MixerLine) tBar.Tag;
if (line.Channels != 2)
{
// One channel or more than two let set the volume uniform
line.Channel = Channel.Uniform;
line.Volume = tBar.Value;
}
else
{
//Set independent volume
foreach(TrackBar tBarBalance in tBarBalanceArray[(int) line.Mixer.MixerType])
{
MixerLine frontEndLine = (MixerLine) tBarBalance.Tag;
if (frontEndLine == line)
{
if (tBarBalance.Value == 0)
{
line.Channel = Channel.Uniform;
line.Volume = tBar.Value;
}
if (tBarBalance.Value <= 0)
{
// Left channel is bigger
line.Channel = Channel.Left;
line.Volume = tBar.Value;
line.Channel = Channel.Right;
line.Volume = (int) (tBar.Value * (1 + (tBarBalance.Value / (float) tBarBalance.Maximum)));
}
else
{
// Right channel is bigger
line.Channel = Channel.Right;
line.Volume = tBar.Value;
line.Channel = Channel.Left;
line.Volume = (int) (tBar.Value * (1 - (tBarBalance.Value / (float) tBarBalance.Maximum)));
}
break;
}
}
}
}
private void tBarBalance_ValueChanged(object sender, EventArgs e)
{
if (mAvoidEvents)
return;
TrackBar tBarBalance = (TrackBar) sender;
MixerLine line = (MixerLine) tBarBalance.Tag;
//This demo just set balance when they are just 2 channels
if (line.Channels == 2)
{
//Set independent volume
foreach(TrackBar tBarVolume in tBarArray[(int) line.Mixer.MixerType])
{
MixerLine frontEndLine = (MixerLine) tBarVolume.Tag;
if (frontEndLine == line)
{
if (tBarBalance.Value == 0)
{
line.Channel = Channel.Uniform;
line.Volume = tBarVolume.Value;
}
if (tBarBalance.Value <= 0)
{
// Left channel is bigger
line.Channel = Channel.Left;
line.Volume = tBarVolume.Value;
line.Channel = Channel.Right;
line.Volume = (int) (tBarVolume.Value * (1 + (tBarBalance.Value / (float) tBarBalance.Maximum)));
}
else
{
// Rigth channel is bigger
line.Channel = Channel.Right;
line.Volume = tBarVolume.Value;
line.Channel = Channel.Left;
line.Volume = (int) (tBarVolume.Value * (1 - (tBarBalance.Value / (float) tBarBalance.Maximum)));
}
break;
}
}
}
}
private void Form1_CheckedChanged(object sender, EventArgs e)
{
CheckBox chkBox = (CheckBox) sender;
MixerLine line = (MixerLine) chkBox.Tag;
if (line.Direction == MixerType.Recording)
line.Selected = chkBox.Checked;
else
line.Mute = chkBox.Checked;
}
private void mMixer_MixerLineChanged(Mixer mixer, MixerLine line)
{
mAvoidEvents = true;
try
{
float balance = -1;
foreach(TrackBar tBar in tBarArray[(int) mixer.MixerType])
{
MixerLine frontEndLine = (MixerLine) tBar.Tag;
if (frontEndLine == line)
{
int volume = 0;
if (line.Channels != 2)
volume = line.Volume;
else
{
line.Channel = Channel.Left;
int left = line.Volume;
line.Channel = Channel.Right;
int right = line.Volume;
if (left > right)
{
volume = left;
// TIP: Do not reset the balance if both left and right channel have 0 value
if (left != 0 && right != 0)
balance = (volume > 0) ? -(1 - (right / (float) left)) : 0;
}
else
{
volume = right;
// TIP: Do not reset the balance if both left and right channel have 0 value
if (left != 0 && right != 0)
balance = (volume > 0) ? 1 - (left / (float) right) : 0;
}
}
if (volume >= 0)
tBar.Value = volume;
break;
}
}
//Set the balance
if (balance != -1)
{
foreach(TrackBar tBar in tBarBalanceArray[(int) mixer.MixerType])
{
MixerLine frontEndLine = (MixerLine) tBar.Tag;
if (frontEndLine == line)
{
tBar.Value = (int) (tBar.Maximum * balance);
break;
}
}
}
foreach(CheckBox checkBox in chkBoxArray[(int) mixer.MixerType])
{
MixerLine frontEndLine = (MixerLine) checkBox.Tag;
if (frontEndLine == line)
{
if (line.Direction == MixerType.Recording)
checkBox.Checked = line.Selected;
else
checkBox.Checked = line.Mute;
break;
}
}
}
finally
{
mAvoidEvents = false;
}
}
#endregion
#region Methods
private void LoadComboSettings()
{
//Load Output Combo
MixerDetail mixerDetailDefault = new MixerDetail();
mixerDetailDefault.DeviceId = -1;
mixerDetailDefault.MixerName = "Default";
mixerDetailDefault.SupportWaveOut = true;
cboOutputDevices.Items.Add(mixerDetailDefault);
foreach(MixerDetail mixerDetail in mMixers.Playback.Devices)
cboOutputDevices.Items.Add(mixerDetail);
cboOutputDevices.SelectedIndex = 0;
//Load Input Combo
mixerDetailDefault = new MixerDetail();
mixerDetailDefault.DeviceId = -1;
mixerDetailDefault.MixerName = "Default";
mixerDetailDefault.SupportWaveIn = true;
cboInputDevices.Items.Add(mixerDetailDefault);
foreach(MixerDetail mixerDetail in mMixers.Recording.Devices)
cboInputDevices.Items.Add(mixerDetail);
cboInputDevices.SelectedIndex = 0;
}
private void LoadLines(MixerType mixerType)
{
//Reload Line. Clear old controls
if (tBarArray[(int) mixerType] != null)
for(int i=0;i<tBarArray[(int) mixerType].Length;i++)
{
tBarArray[(int) mixerType][i].ValueChanged -= new System.EventHandler(this.tBar_ValueChanged);
tBarArray[(int) mixerType][i].Dispose();
tBarBalanceArray[(int) mixerType][i].Dispose();
lblArray[(int) mixerType][i].Dispose();
chkBoxArray[(int) mixerType][i].Dispose();
this.Controls.Remove(tBarArray[(int) mixerType][i]);
this.Controls.Remove(tBarBalanceArray[(int) mixerType][i]);
this.Controls.Remove(lblArray[(int) mixerType][i]);
this.Controls.Remove(chkBoxArray[(int) mixerType][i]);
}
MixerLines lines;
//Get info about the lines
if (mixerType == MixerType.Recording)
{
mMixers.Recording.DeviceId = ((MixerDetail) cboInputDevices.SelectedItem).DeviceId;
lines = mMixers.Recording.UserLines;
}
else
{
mMixers.Playback.DeviceId = ((MixerDetail) cboOutputDevices.SelectedItem).DeviceId;
lines = mMixers.Playback.UserLines;
}
tBarArray[(int) mixerType] = new TrackBar[lines.Count];
tBarBalanceArray[(int) mixerType] = new TrackBar[lines.Count];
lblArray[(int) mixerType] = new Label[lines.Count];
chkBoxArray[(int) mixerType] = new CheckBox[lines.Count];
//foreach(MixerLine line in lines)
for(int i=0;i<lines.Count;i++)
{
MixerLine line = lines[i];
// TrackBar creation
this.tBarArray[(int) mixerType][i] = new System.Windows.Forms.TrackBar();
this.tBarArray[(int) mixerType][i].LargeChange = 10000;
this.tBarArray[(int) mixerType][i].Location = new System.Drawing.Point(i * 60 + 10, 120 + (int) mixerType * 225);
this.tBarArray[(int) mixerType][i].Maximum = 65535;
this.tBarArray[(int) mixerType][i].Name = "tBarArray" + ((int) mixerType).ToString() + i.ToString();
this.tBarArray[(int) mixerType][i].Orientation = Orientation.Vertical;
this.tBarArray[(int) mixerType][i].Size = new System.Drawing.Size(45, 100);
this.tBarArray[(int) mixerType][i].SmallChange = 6553;
this.tBarArray[(int) mixerType][i].TabIndex = i;
this.tBarArray[(int) mixerType][i].TickFrequency = 6553;
this.tBarArray[(int) mixerType][i].TickStyle = System.Windows.Forms.TickStyle.Both;
this.tBarArray[(int) mixerType][i].Tag = line;
//If it is 2 channels then ask both and set the volume to the bigger but keep relation between them (Balance)
int volume = 0;
float balance = 0;
if (lines[i].Channels != 2)
volume = lines[i].Volume;
else
{
lines[i].Channel = Channel.Left;
int left = lines[i].Volume;
lines[i].Channel = Channel.Right;
int right = lines[i].Volume;
if (left > right)
{
volume = left;
balance = (volume > 0) ? -(1 - (right / (float) left)) : 0;
}
else
{
volume = right;
balance = (volume > 0) ? (1 - (left / (float) right)) : 0;
}
}
if (volume >= 0)
this.tBarArray[(int) mixerType][i].Value = volume;
else
this.tBarArray[(int) mixerType][i].Enabled = false;
this.tBarArray[(int) mixerType][i].ValueChanged += new System.EventHandler(this.tBar_ValueChanged);
this.Controls.Add(this.tBarArray[(int) mixerType][i]);
//TrackBar Balance Creation
this.tBarBalanceArray[(int) mixerType][i] = new System.Windows.Forms.TrackBar();
this.tBarBalanceArray[(int) mixerType][i].AutoSize = false;
this.tBarBalanceArray[(int) mixerType][i].Location = new System.Drawing.Point(i * 60, 85 + (int) mixerType * 225);
this.tBarBalanceArray[(int) mixerType][i].Maximum = 320;
this.tBarBalanceArray[(int) mixerType][i].Minimum = -320;
this.tBarBalanceArray[(int) mixerType][i].Name = "tBarBalanceArray" + ((int) mixerType).ToString() + i.ToString();
this.tBarBalanceArray[(int) mixerType][i].Size = new System.Drawing.Size(60, 30);
this.tBarBalanceArray[(int) mixerType][i].TickFrequency = 320;
this.tBarBalanceArray[(int) mixerType][i].TabIndex = i;
this.tBarBalanceArray[(int) mixerType][i].SmallChange = 10;
this.tBarBalanceArray[(int) mixerType][i].LargeChange = 50;
this.tBarBalanceArray[(int) mixerType][i].Tag = line;
//MONO OR MORE THAN 2 CHANNELS, then let disable balance
if (lines[i].Channels != 2)
this.tBarBalanceArray[(int) mixerType][i].Enabled = false;
else
this.tBarBalanceArray[(int) mixerType][i].Value = (int) (this.tBarBalanceArray[(int) mixerType][i].Maximum * balance);
this.tBarBalanceArray[(int) mixerType][i].ValueChanged += new System.EventHandler(this.tBarBalance_ValueChanged);
this.Controls.Add(this.tBarBalanceArray[(int) mixerType][i]);
//Label Creation
this.lblArray[(int) mixerType][i] = new System.Windows.Forms.Label();
this.lblArray[(int) mixerType][i].Location = new System.Drawing.Point(i * 60, 60 + (int) mixerType * 225);
this.lblArray[(int) mixerType][i].Name = "lblArray" + ((int) mixerType).ToString() + i.ToString();
this.lblArray[(int) mixerType][i].Size = new System.Drawing.Size(65, 26);
this.lblArray[(int) mixerType][i].TabIndex = 10;
this.lblArray[(int) mixerType][i].TextAlign = System.Drawing.ContentAlignment.BottomCenter;
this.lblArray[(int) mixerType][i].Text = line.Name;
this.Controls.Add(this.lblArray[(int) mixerType][i]);
//CheckBox Creation
this.chkBoxArray[(int) mixerType][i] = new System.Windows.Forms.CheckBox();
this.chkBoxArray[(int) mixerType][i].Location = new System.Drawing.Point(i * 60 + 10, 225 + (int) mixerType * 225);
this.chkBoxArray[(int) mixerType][i].Name = "chkMuteSelect" + ((int) mixerType).ToString() + i.ToString();
this.chkBoxArray[(int) mixerType][i].Size = new System.Drawing.Size(60, 16);
this.chkBoxArray[(int) mixerType][i].Enabled = false;
this.chkBoxArray[(int) mixerType][i].TabIndex = 10;
this.chkBoxArray[(int) mixerType][i].Tag = line;
if (mixerType == MixerType.Recording)
{
this.chkBoxArray[(int) mixerType][i].Text = "Select";
if (line.ContainsSelected)
{
this.chkBoxArray[(int) mixerType][i].Enabled = true;
this.chkBoxArray[(int) mixerType][i].Checked = line.Selected;
}
}
else
{
this.chkBoxArray[(int) mixerType][i].Text = "Mute";
if (line.ContainsMute)
{
this.chkBoxArray[(int) mixerType][i].Enabled = true;
this.chkBoxArray[(int) mixerType][i].Checked = line.Mute;
}
}
this.chkBoxArray[(int) mixerType][i].CheckedChanged += new EventHandler(Form1_CheckedChanged);
this.Controls.Add(this.chkBoxArray[(int) mixerType][i]);
}
}
#endregion
#region Overrides
protected override void OnResize(EventArgs e)
{
gbSplit.Width = this.ClientRectangle.Width;
base.OnResize (e);
}
#endregion
}
}
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I started with programming about 19 years ago as a teenager, from my old Commodore moving to PC/Server environment Windows/UNIX SQLServer/Oracle doing gwBasic, QBasic, Turbo Pascal, Assembler, Turbo C, BC, Summer87, Clipper, Fox, SQL, C/C++, Pro*C, VB3/5/6, Java, and today loving C#.
Currently working as SDE on Failover Clustering team for Microsoft.
Passion for most programming languages and my kids Aidan&Nadia.
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