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/* Advanced Audio.cs
This file is part of the HandBrake source code.
Homepage: <http://handbrake.fr>.
It may be used under the terms of the GNU General Public License. */
namespace Handbrake.ToolWindows
{
using System;
using System.Globalization;
using System.Windows.Forms;
using HandBrake.ApplicationServices.Model.Encoding;
/// <summary>
/// Advanced Audio Panel
/// </summary>
public partial class AdvancedAudio : Form
{
// Culture Info
private static readonly CultureInfo Culture = new CultureInfo("en-US", false);
/// <summary>
/// Initializes a new instance of the <see cref="AdvancedAudio"/> class.
/// </summary>
public AdvancedAudio()
{
InitializeComponent();
}
private AudioTrack track;
/// <summary>
/// Gets or sets the Audio Track to alter.
/// </summary>
public AudioTrack Track
{
get
{
return this.track;
}
set
{
this.track = value;
if (this.track == null)
{
return;
}
// Set the Gain Control.
if (track.Gain == 0)
{
gainTrackBar.Value = 21; // The centre point
}
else if (track.Gain > 0)
{
gainTrackBar.Value = 21 + track.Gain;
}
else if (track.Gain < 0)
{
gainTrackBar.Value = 20 - Math.Abs(track.Gain);
}
lbl_GainValue.Text = string.Format("{0} dB", track.Gain);
// Set the DRC Control
double drcValue = 0;
int drcCalculated;
if (track.DRC != 0)
drcValue = ((track.DRC * 10) + 1) - 10;
int.TryParse(drcValue.ToString(Culture), out drcCalculated);
tb_drc.Value = drcCalculated;
lbl_drc.Text = track.DRC.ToString(Culture);
tb_drc.Enabled = track.TrackDisplay.Contains("(AC3)");
}
}
/// <summary>
/// Close the window
/// </summary>
/// <param name="sender">The Sender</param>
/// <param name="e">The Event Args</param>
private void btn_close_Click(object sender, EventArgs e)
{
this.DialogResult = DialogResult.OK;
this.Close();
}
/// <summary>
/// Set the Gain value for the audio track.
/// </summary>
/// <param name="sender">The Sender</param>
/// <param name="e">The Event Arg</param>
private void gainTrackBar_Scroll(object sender, EventArgs e)
{
// Figure out the Gain.
int gain = 0;
if (gainTrackBar.Value == 21)
{
gain = 0;
}
else if (gainTrackBar.Value > 21)
{
gain = gainTrackBar.Value - 21;
}
else if (gainTrackBar.Value < 21)
{
gain = (-20 + gainTrackBar.Value);
}
lbl_GainValue.Text = string.Format("{0} dB", gain);
// Figure out the DRC Value
double drcValue = 0;
int drcCalculated;
if (track.DRC != 0)
drcValue = ((track.DRC * 10) + 1) - 10;
int.TryParse(drcValue.ToString(Culture), out drcCalculated);
tb_drc.Value = drcCalculated;
// Set the model.
if (this.track == null)
{
return;
}
this.Track.Gain = gain;
}
/// <summary>
/// The Dynamic Range Controller
/// </summary>
/// <param name="sender">The Sender</param>
/// <param name="e">The Event Args</param>
private void tb_drc_Scroll(object sender, EventArgs e)
{
double value;
if (tb_drc.Value == 0) value = 0;
else
value = ((tb_drc.Value - 1) / 10.0) + 1;
lbl_drc.Text = value.ToString(Culture);
track.DRC = value;
}
}
}
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