diff --git a/BizHawk.Client.EmuHawk/AVOut/VideoWriterChooserForm.Designer.cs b/BizHawk.Client.EmuHawk/AVOut/VideoWriterChooserForm.Designer.cs
index 8ff72bdbab..27d955cf9a 100644
--- a/BizHawk.Client.EmuHawk/AVOut/VideoWriterChooserForm.Designer.cs
+++ b/BizHawk.Client.EmuHawk/AVOut/VideoWriterChooserForm.Designer.cs
@@ -28,191 +28,203 @@
 		/// </summary>
 		private void InitializeComponent()
 		{
-            System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(VideoWriterChooserForm));
-            this.checkBoxResize = new System.Windows.Forms.CheckBox();
-            this.listBox1 = new System.Windows.Forms.ListBox();
-            this.buttonOK = new System.Windows.Forms.Button();
-            this.buttonCancel = new System.Windows.Forms.Button();
-            this.tableLayoutPanel4 = new System.Windows.Forms.TableLayoutPanel();
-            this.labelDescription = new System.Windows.Forms.Label();
-            this.labelDescriptionBody = new System.Windows.Forms.Label();
-            this.numericTextBoxW = new BizHawk.Client.EmuHawk.NumericTextBox();
-            this.numericTextBoxH = new BizHawk.Client.EmuHawk.NumericTextBox();
-            this.label3 = new System.Windows.Forms.Label();
-            this.label4 = new System.Windows.Forms.Label();
-            this.buttonAuto = new System.Windows.Forms.Button();
-            this.panelSizeSelect = new System.Windows.Forms.Panel();
-            this.tableLayoutPanel4.SuspendLayout();
-            this.panelSizeSelect.SuspendLayout();
-            this.SuspendLayout();
-            // 
-            // checkBoxResize
-            // 
-            this.checkBoxResize.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
-            this.checkBoxResize.AutoSize = true;
-            this.checkBoxResize.Location = new System.Drawing.Point(347, 12);
-            this.checkBoxResize.Name = "checkBoxResize";
-            this.checkBoxResize.Size = new System.Drawing.Size(88, 17);
-            this.checkBoxResize.TabIndex = 9;
-            this.checkBoxResize.Text = "Resize Video";
-            this.checkBoxResize.UseVisualStyleBackColor = true;
-            this.checkBoxResize.CheckedChanged += new System.EventHandler(this.checkBoxResize_CheckedChanged);
-            // 
-            // listBox1
-            // 
-            this.listBox1.FormattingEnabled = true;
-            this.listBox1.IntegralHeight = false;
-            this.listBox1.Location = new System.Drawing.Point(12, 12);
-            this.listBox1.Margin = new System.Windows.Forms.Padding(3, 3, 3, 0);
-            this.listBox1.Name = "listBox1";
-            this.listBox1.Size = new System.Drawing.Size(329, 202);
-            this.listBox1.TabIndex = 0;
-            this.listBox1.SelectedIndexChanged += new System.EventHandler(this.listBox1_SelectedIndexChanged);
-            // 
-            // buttonOK
-            // 
-            this.buttonOK.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
-            this.buttonOK.DialogResult = System.Windows.Forms.DialogResult.OK;
-            this.buttonOK.Location = new System.Drawing.Point(373, 405);
-            this.buttonOK.Name = "buttonOK";
-            this.buttonOK.Size = new System.Drawing.Size(65, 23);
-            this.buttonOK.TabIndex = 1;
-            this.buttonOK.Text = "OK";
-            this.buttonOK.UseVisualStyleBackColor = true;
-            this.buttonOK.Click += new System.EventHandler(this.buttonOK_Click);
-            // 
-            // buttonCancel
-            // 
-            this.buttonCancel.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
-            this.buttonCancel.DialogResult = System.Windows.Forms.DialogResult.Cancel;
-            this.buttonCancel.Location = new System.Drawing.Point(444, 405);
-            this.buttonCancel.Name = "buttonCancel";
-            this.buttonCancel.Size = new System.Drawing.Size(65, 23);
-            this.buttonCancel.TabIndex = 2;
-            this.buttonCancel.Text = "Cancel";
-            this.buttonCancel.UseVisualStyleBackColor = true;
-            // 
-            // tableLayoutPanel4
-            // 
-            this.tableLayoutPanel4.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
-            this.tableLayoutPanel4.CellBorderStyle = System.Windows.Forms.TableLayoutPanelCellBorderStyle.Inset;
-            this.tableLayoutPanel4.ColumnCount = 1;
-            this.tableLayoutPanel4.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 100F));
-            this.tableLayoutPanel4.Controls.Add(this.labelDescription, 0, 0);
-            this.tableLayoutPanel4.Controls.Add(this.labelDescriptionBody, 0, 1);
-            this.tableLayoutPanel4.Location = new System.Drawing.Point(12, 220);
-            this.tableLayoutPanel4.Name = "tableLayoutPanel4";
-            this.tableLayoutPanel4.RowCount = 2;
-            this.tableLayoutPanel4.RowStyles.Add(new System.Windows.Forms.RowStyle());
-            this.tableLayoutPanel4.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 100F));
-            this.tableLayoutPanel4.Size = new System.Drawing.Size(329, 208);
-            this.tableLayoutPanel4.TabIndex = 8;
-            // 
-            // labelDescription
-            // 
-            this.labelDescription.AutoSize = true;
-            this.labelDescription.Dock = System.Windows.Forms.DockStyle.Fill;
-            this.labelDescription.Location = new System.Drawing.Point(5, 2);
-            this.labelDescription.Name = "labelDescription";
-            this.labelDescription.Padding = new System.Windows.Forms.Padding(0, 3, 0, 3);
-            this.labelDescription.Size = new System.Drawing.Size(319, 19);
-            this.labelDescription.TabIndex = 3;
-            this.labelDescription.Text = "Description:";
-            // 
-            // labelDescriptionBody
-            // 
-            this.labelDescriptionBody.Dock = System.Windows.Forms.DockStyle.Fill;
-            this.labelDescriptionBody.Location = new System.Drawing.Point(5, 23);
-            this.labelDescriptionBody.Name = "labelDescriptionBody";
-            this.labelDescriptionBody.Padding = new System.Windows.Forms.Padding(0, 3, 0, 3);
-            this.labelDescriptionBody.Size = new System.Drawing.Size(319, 183);
-            this.labelDescriptionBody.TabIndex = 6;
-            this.labelDescriptionBody.Text = resources.GetString("labelDescriptionBody.Text");
-            // 
-            // numericTextBoxW
-            // 
-            this.numericTextBoxW.AllowDecimal = false;
-            this.numericTextBoxW.AllowNegative = false;
-            this.numericTextBoxW.AllowSpace = false;
-            this.numericTextBoxW.Location = new System.Drawing.Point(0, 16);
-            this.numericTextBoxW.Name = "numericTextBoxW";
-            this.numericTextBoxW.Size = new System.Drawing.Size(70, 20);
-            this.numericTextBoxW.TabIndex = 10;
-            // 
-            // numericTextBoxH
-            // 
-            this.numericTextBoxH.AllowDecimal = false;
-            this.numericTextBoxH.AllowNegative = false;
-            this.numericTextBoxH.AllowSpace = false;
-            this.numericTextBoxH.Location = new System.Drawing.Point(92, 16);
-            this.numericTextBoxH.Name = "numericTextBoxH";
-            this.numericTextBoxH.Size = new System.Drawing.Size(70, 20);
-            this.numericTextBoxH.TabIndex = 11;
-            // 
-            // label3
-            // 
-            this.label3.AutoSize = true;
-            this.label3.Location = new System.Drawing.Point(74, 23);
-            this.label3.Name = "label3";
-            this.label3.Size = new System.Drawing.Size(14, 13);
-            this.label3.TabIndex = 12;
-            this.label3.Text = "X";
-            // 
-            // label4
-            // 
-            this.label4.AutoSize = true;
-            this.label4.Location = new System.Drawing.Point(3, 0);
-            this.label4.Name = "label4";
-            this.label4.Size = new System.Drawing.Size(30, 13);
-            this.label4.TabIndex = 13;
-            this.label4.Text = "Size:";
-            // 
-            // buttonAuto
-            // 
-            this.buttonAuto.Location = new System.Drawing.Point(0, 42);
-            this.buttonAuto.Name = "buttonAuto";
-            this.buttonAuto.Size = new System.Drawing.Size(162, 23);
-            this.buttonAuto.TabIndex = 14;
-            this.buttonAuto.Text = "Autodetect Size";
-            this.buttonAuto.UseVisualStyleBackColor = true;
-            this.buttonAuto.Click += new System.EventHandler(this.buttonAuto_Click);
-            // 
-            // panelSizeSelect
-            // 
-            this.panelSizeSelect.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
-            this.panelSizeSelect.Controls.Add(this.label4);
-            this.panelSizeSelect.Controls.Add(this.buttonAuto);
-            this.panelSizeSelect.Controls.Add(this.numericTextBoxW);
-            this.panelSizeSelect.Controls.Add(this.numericTextBoxH);
-            this.panelSizeSelect.Controls.Add(this.label3);
-            this.panelSizeSelect.Location = new System.Drawing.Point(347, 35);
-            this.panelSizeSelect.Name = "panelSizeSelect";
-            this.panelSizeSelect.Size = new System.Drawing.Size(162, 83);
-            this.panelSizeSelect.TabIndex = 15;
-            // 
-            // VideoWriterChooserForm
-            // 
-            this.AcceptButton = this.buttonOK;
-            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
-            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-            this.CancelButton = this.buttonCancel;
-            this.ClientSize = new System.Drawing.Size(521, 440);
-            this.Controls.Add(this.panelSizeSelect);
-            this.Controls.Add(this.tableLayoutPanel4);
-            this.Controls.Add(this.listBox1);
-            this.Controls.Add(this.buttonOK);
-            this.Controls.Add(this.buttonCancel);
-            this.Controls.Add(this.checkBoxResize);
-            this.Name = "VideoWriterChooserForm";
-            this.ShowIcon = false;
-            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;
-            this.Text = "Choose A\\V Writer";
-            this.tableLayoutPanel4.ResumeLayout(false);
-            this.tableLayoutPanel4.PerformLayout();
-            this.panelSizeSelect.ResumeLayout(false);
-            this.panelSizeSelect.PerformLayout();
-            this.ResumeLayout(false);
-            this.PerformLayout();
+			System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(VideoWriterChooserForm));
+			this.checkBoxResize = new System.Windows.Forms.CheckBox();
+			this.listBox1 = new System.Windows.Forms.ListBox();
+			this.buttonOK = new System.Windows.Forms.Button();
+			this.buttonCancel = new System.Windows.Forms.Button();
+			this.tableLayoutPanel4 = new System.Windows.Forms.TableLayoutPanel();
+			this.labelDescription = new System.Windows.Forms.Label();
+			this.labelDescriptionBody = new System.Windows.Forms.Label();
+			this.numericTextBoxW = new BizHawk.Client.EmuHawk.NumericTextBox();
+			this.numericTextBoxH = new BizHawk.Client.EmuHawk.NumericTextBox();
+			this.label3 = new System.Windows.Forms.Label();
+			this.label4 = new System.Windows.Forms.Label();
+			this.buttonAuto = new System.Windows.Forms.Button();
+			this.panelSizeSelect = new System.Windows.Forms.Panel();
+			this.checkBoxPad = new System.Windows.Forms.CheckBox();
+			this.tableLayoutPanel4.SuspendLayout();
+			this.panelSizeSelect.SuspendLayout();
+			this.SuspendLayout();
+			// 
+			// checkBoxResize
+			// 
+			this.checkBoxResize.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
+			this.checkBoxResize.AutoSize = true;
+			this.checkBoxResize.Location = new System.Drawing.Point(347, 12);
+			this.checkBoxResize.Name = "checkBoxResize";
+			this.checkBoxResize.Size = new System.Drawing.Size(88, 17);
+			this.checkBoxResize.TabIndex = 9;
+			this.checkBoxResize.Text = "Resize Video";
+			this.checkBoxResize.UseVisualStyleBackColor = true;
+			this.checkBoxResize.CheckedChanged += new System.EventHandler(this.checkBoxResize_CheckedChanged);
+			// 
+			// listBox1
+			// 
+			this.listBox1.FormattingEnabled = true;
+			this.listBox1.IntegralHeight = false;
+			this.listBox1.Location = new System.Drawing.Point(12, 12);
+			this.listBox1.Margin = new System.Windows.Forms.Padding(3, 3, 3, 0);
+			this.listBox1.Name = "listBox1";
+			this.listBox1.Size = new System.Drawing.Size(329, 202);
+			this.listBox1.TabIndex = 0;
+			this.listBox1.SelectedIndexChanged += new System.EventHandler(this.listBox1_SelectedIndexChanged);
+			// 
+			// buttonOK
+			// 
+			this.buttonOK.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+			this.buttonOK.DialogResult = System.Windows.Forms.DialogResult.OK;
+			this.buttonOK.Location = new System.Drawing.Point(373, 405);
+			this.buttonOK.Name = "buttonOK";
+			this.buttonOK.Size = new System.Drawing.Size(65, 23);
+			this.buttonOK.TabIndex = 1;
+			this.buttonOK.Text = "OK";
+			this.buttonOK.UseVisualStyleBackColor = true;
+			this.buttonOK.Click += new System.EventHandler(this.buttonOK_Click);
+			// 
+			// buttonCancel
+			// 
+			this.buttonCancel.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+			this.buttonCancel.DialogResult = System.Windows.Forms.DialogResult.Cancel;
+			this.buttonCancel.Location = new System.Drawing.Point(444, 405);
+			this.buttonCancel.Name = "buttonCancel";
+			this.buttonCancel.Size = new System.Drawing.Size(65, 23);
+			this.buttonCancel.TabIndex = 2;
+			this.buttonCancel.Text = "Cancel";
+			this.buttonCancel.UseVisualStyleBackColor = true;
+			// 
+			// tableLayoutPanel4
+			// 
+			this.tableLayoutPanel4.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
+			this.tableLayoutPanel4.CellBorderStyle = System.Windows.Forms.TableLayoutPanelCellBorderStyle.Inset;
+			this.tableLayoutPanel4.ColumnCount = 1;
+			this.tableLayoutPanel4.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 100F));
+			this.tableLayoutPanel4.Controls.Add(this.labelDescription, 0, 0);
+			this.tableLayoutPanel4.Controls.Add(this.labelDescriptionBody, 0, 1);
+			this.tableLayoutPanel4.Location = new System.Drawing.Point(12, 220);
+			this.tableLayoutPanel4.Name = "tableLayoutPanel4";
+			this.tableLayoutPanel4.RowCount = 2;
+			this.tableLayoutPanel4.RowStyles.Add(new System.Windows.Forms.RowStyle());
+			this.tableLayoutPanel4.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 100F));
+			this.tableLayoutPanel4.Size = new System.Drawing.Size(329, 208);
+			this.tableLayoutPanel4.TabIndex = 8;
+			// 
+			// labelDescription
+			// 
+			this.labelDescription.AutoSize = true;
+			this.labelDescription.Dock = System.Windows.Forms.DockStyle.Fill;
+			this.labelDescription.Location = new System.Drawing.Point(5, 2);
+			this.labelDescription.Name = "labelDescription";
+			this.labelDescription.Padding = new System.Windows.Forms.Padding(0, 3, 0, 3);
+			this.labelDescription.Size = new System.Drawing.Size(319, 19);
+			this.labelDescription.TabIndex = 3;
+			this.labelDescription.Text = "Description:";
+			// 
+			// labelDescriptionBody
+			// 
+			this.labelDescriptionBody.Dock = System.Windows.Forms.DockStyle.Fill;
+			this.labelDescriptionBody.Location = new System.Drawing.Point(5, 23);
+			this.labelDescriptionBody.Name = "labelDescriptionBody";
+			this.labelDescriptionBody.Padding = new System.Windows.Forms.Padding(0, 3, 0, 3);
+			this.labelDescriptionBody.Size = new System.Drawing.Size(319, 183);
+			this.labelDescriptionBody.TabIndex = 6;
+			this.labelDescriptionBody.Text = resources.GetString("labelDescriptionBody.Text");
+			// 
+			// numericTextBoxW
+			// 
+			this.numericTextBoxW.AllowDecimal = false;
+			this.numericTextBoxW.AllowNegative = false;
+			this.numericTextBoxW.AllowSpace = false;
+			this.numericTextBoxW.Location = new System.Drawing.Point(0, 16);
+			this.numericTextBoxW.Name = "numericTextBoxW";
+			this.numericTextBoxW.Size = new System.Drawing.Size(70, 20);
+			this.numericTextBoxW.TabIndex = 10;
+			// 
+			// numericTextBoxH
+			// 
+			this.numericTextBoxH.AllowDecimal = false;
+			this.numericTextBoxH.AllowNegative = false;
+			this.numericTextBoxH.AllowSpace = false;
+			this.numericTextBoxH.Location = new System.Drawing.Point(92, 16);
+			this.numericTextBoxH.Name = "numericTextBoxH";
+			this.numericTextBoxH.Size = new System.Drawing.Size(70, 20);
+			this.numericTextBoxH.TabIndex = 11;
+			// 
+			// label3
+			// 
+			this.label3.AutoSize = true;
+			this.label3.Location = new System.Drawing.Point(74, 23);
+			this.label3.Name = "label3";
+			this.label3.Size = new System.Drawing.Size(14, 13);
+			this.label3.TabIndex = 12;
+			this.label3.Text = "X";
+			// 
+			// label4
+			// 
+			this.label4.AutoSize = true;
+			this.label4.Location = new System.Drawing.Point(3, 0);
+			this.label4.Name = "label4";
+			this.label4.Size = new System.Drawing.Size(30, 13);
+			this.label4.TabIndex = 13;
+			this.label4.Text = "Size:";
+			// 
+			// buttonAuto
+			// 
+			this.buttonAuto.Location = new System.Drawing.Point(0, 42);
+			this.buttonAuto.Name = "buttonAuto";
+			this.buttonAuto.Size = new System.Drawing.Size(162, 23);
+			this.buttonAuto.TabIndex = 14;
+			this.buttonAuto.Text = "Autodetect Size";
+			this.buttonAuto.UseVisualStyleBackColor = true;
+			this.buttonAuto.Click += new System.EventHandler(this.buttonAuto_Click);
+			// 
+			// panelSizeSelect
+			// 
+			this.panelSizeSelect.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
+			this.panelSizeSelect.Controls.Add(this.checkBoxPad);
+			this.panelSizeSelect.Controls.Add(this.label4);
+			this.panelSizeSelect.Controls.Add(this.buttonAuto);
+			this.panelSizeSelect.Controls.Add(this.numericTextBoxW);
+			this.panelSizeSelect.Controls.Add(this.numericTextBoxH);
+			this.panelSizeSelect.Controls.Add(this.label3);
+			this.panelSizeSelect.Location = new System.Drawing.Point(347, 35);
+			this.panelSizeSelect.Name = "panelSizeSelect";
+			this.panelSizeSelect.Size = new System.Drawing.Size(162, 105);
+			this.panelSizeSelect.TabIndex = 15;
+			// 
+			// checkBoxPad
+			// 
+			this.checkBoxPad.AutoSize = true;
+			this.checkBoxPad.Location = new System.Drawing.Point(0, 71);
+			this.checkBoxPad.Name = "checkBoxPad";
+			this.checkBoxPad.Size = new System.Drawing.Size(45, 17);
+			this.checkBoxPad.TabIndex = 15;
+			this.checkBoxPad.Text = "Pad";
+			this.checkBoxPad.UseVisualStyleBackColor = true;
+			// 
+			// VideoWriterChooserForm
+			// 
+			this.AcceptButton = this.buttonOK;
+			this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
+			this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+			this.CancelButton = this.buttonCancel;
+			this.ClientSize = new System.Drawing.Size(521, 440);
+			this.Controls.Add(this.panelSizeSelect);
+			this.Controls.Add(this.tableLayoutPanel4);
+			this.Controls.Add(this.listBox1);
+			this.Controls.Add(this.buttonOK);
+			this.Controls.Add(this.buttonCancel);
+			this.Controls.Add(this.checkBoxResize);
+			this.Name = "VideoWriterChooserForm";
+			this.ShowIcon = false;
+			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;
+			this.Text = "Choose A\\V Writer";
+			this.tableLayoutPanel4.ResumeLayout(false);
+			this.tableLayoutPanel4.PerformLayout();
+			this.panelSizeSelect.ResumeLayout(false);
+			this.panelSizeSelect.PerformLayout();
+			this.ResumeLayout(false);
+			this.PerformLayout();
 
 		}
 
@@ -231,5 +243,6 @@
 		private System.Windows.Forms.Label label4;
 		private System.Windows.Forms.Button buttonAuto;
 		private System.Windows.Forms.Panel panelSizeSelect;
+		private System.Windows.Forms.CheckBox checkBoxPad;
 	}
 }
\ No newline at end of file
diff --git a/BizHawk.Client.EmuHawk/AVOut/VideoWriterChooserForm.cs b/BizHawk.Client.EmuHawk/AVOut/VideoWriterChooserForm.cs
index b823131965..5f06024cb2 100644
--- a/BizHawk.Client.EmuHawk/AVOut/VideoWriterChooserForm.cs
+++ b/BizHawk.Client.EmuHawk/AVOut/VideoWriterChooserForm.cs
@@ -27,7 +27,7 @@ namespace BizHawk.Client.EmuHawk
 		/// <param name="list">list of IVideoWriters to choose from</param>
 		/// <param name="owner">parent window</param>
 		/// <returns>user choice, or null on Cancel\Close\invalid</returns>
-		public static IVideoWriter DoVideoWriterChoserDlg(IEnumerable<IVideoWriter> list, IWin32Window owner, out int resizew, out int resizeh)
+		public static IVideoWriter DoVideoWriterChoserDlg(IEnumerable<IVideoWriter> list, IWin32Window owner, out int resizew, out int resizeh, out bool pad)
 		{
 			VideoWriterChooserForm dlg = new VideoWriterChooserForm();
 
@@ -67,6 +67,9 @@ namespace BizHawk.Client.EmuHawk
 				resizew = -1;
 				resizeh = -1;
 			}
+
+			pad = dlg.checkBoxPad.Checked;
+
 			dlg.Dispose();
 			return ret;
 		}
diff --git a/BizHawk.Client.EmuHawk/MainForm.cs b/BizHawk.Client.EmuHawk/MainForm.cs
index 6ef485a5b7..07c8d4367c 100644
--- a/BizHawk.Client.EmuHawk/MainForm.cs
+++ b/BizHawk.Client.EmuHawk/MainForm.cs
@@ -967,6 +967,7 @@ namespace BizHawk.Client.EmuHawk
 		private long _soundRemainder; // audio timekeeping for video dumping
 		private int _avwriterResizew;
 		private int _avwriterResizeh;
+		private bool _avwriterpad;
 
 		private bool _exit;
 		private bool _runloopFrameProgress;
@@ -2477,7 +2478,7 @@ namespace BizHawk.Client.EmuHawk
 			}
 			else
 			{
-				aw = VideoWriterChooserForm.DoVideoWriterChoserDlg(video_writers, GlobalWin.MainForm, out _avwriterResizew, out _avwriterResizeh);
+				aw = VideoWriterChooserForm.DoVideoWriterChoserDlg(video_writers, GlobalWin.MainForm, out _avwriterResizew, out _avwriterResizeh, out _avwriterpad);
 			}
 
 			foreach (var w in video_writers)
@@ -2668,7 +2669,15 @@ namespace BizHawk.Client.EmuHawk
 						var bmpout = new Bitmap(_avwriterResizew, _avwriterResizeh, PixelFormat.Format32bppArgb);
 						using (var g = Graphics.FromImage(bmpout))
 						{
-							g.DrawImage(bmpin, new Rectangle(0, 0, bmpout.Width, bmpout.Height));
+							if (_avwriterpad)
+							{
+								g.Clear(Color.FromArgb(Global.Emulator.VideoProvider.BackgroundColor));
+								g.DrawImageUnscaled(bmpin, (bmpout.Width - bmpin.Width) / 2, (bmpout.Height - bmpin.Height) / 2);
+							}
+							else
+							{
+								g.DrawImage(bmpin, new Rectangle(0, 0, bmpout.Width, bmpout.Height));
+							}
 						}
 
 						bmpin.Dispose();