Adding video/audio devices

HelpersLib/Extensions/StringExtensions.cs

@@ -212,5 +212,10 @@ public static bool IsNumber(this string text)
 
             return true;
         }
+
+        public static string[] Lines(this string text)
+        {
+            return text.Split(new string[] { "\r\n", "\n" }, StringSplitOptions.None);
+        }
     }
 }

ScreenCaptureLib/Screencast/FFmpegHelper.cs

@@ -144,9 +144,50 @@ public static bool ExtractFFmpeg(string zipPath, string extractPath)
             return false;
         }
 
-        public void ListDevices()
+        public DirectShowDevices GetDirectShowDevices()
         {
-            WriteInput("-list_devices true -f dshow -i dummy");
+            DirectShowDevices devices = new DirectShowDevices();
+
+            if (File.Exists(Options.FFmpeg.CLIPath))
+            {
+                string arg = "-list_devices true -f dshow -i dummy";
+                Open(Options.FFmpeg.CLIPath, arg);
+                string output = Errors.ToString();
+                string[] lines = output.Lines();
+                bool isVideo = true;
+                Regex regex = new Regex("\\[dshow @ \\w+\\]  \"(.+)\"", RegexOptions.Compiled | RegexOptions.CultureInvariant);
+                foreach (string line in lines)
+                {
+                    if (line.EndsWith("] DirectShow video devices", StringComparison.InvariantCulture))
+                    {
+                        isVideo = true;
+                        continue;
+                    }
+                    else if (line.EndsWith("] DirectShow audio devices", StringComparison.InvariantCulture))
+                    {
+                        isVideo = false;
+                        continue;
+                    }
+
+                    Match match = regex.Match(line);
+
+                    if (match.Success)
+                    {
+                        string value = match.Groups[1].Value;
+
+                        if (isVideo)
+                        {
+                            devices.VideoDevices.Add(value);
+                        }
+                        else
+                        {
+                            devices.AudioDevices.Add(value);
+                        }
+                    }
+                }
+            }
+
+            return devices;
         }
 
         public override void Close()
@@ -154,4 +195,10 @@ public override void Close()
             WriteInput("q");
         }
     }
+
+    public class DirectShowDevices
+    {
+        public List<string> VideoDevices = new List<string>();
+        public List<string> AudioDevices = new List<string>();
+    }
 }

ScreenCaptureLib/Screencast/FFmpegOptionsForm.Designer.cs

@@ -70,6 +70,7 @@ private void InitializeComponent()
             this.gbSource = new System.Windows.Forms.GroupBox();
             this.gbCodecs = new System.Windows.Forms.GroupBox();
             this.gbContainer = new System.Windows.Forms.GroupBox();
+            this.btnRefreshSources = new System.Windows.Forms.Button();
             ((System.ComponentModel.ISupportInitialize)(this.nudx264CRF)).BeginInit();
             ((System.ComponentModel.ISupportInitialize)(this.nudQscale)).BeginInit();
             ((System.ComponentModel.ISupportInitialize)(this.nudVPxCRF)).BeginInit();
@@ -89,7 +90,7 @@ private void InitializeComponent()
             // lblExt
             // 
             this.lblExt.AutoSize = true;
-            this.lblExt.Location = new System.Drawing.Point(8, 36);
+            this.lblExt.Location = new System.Drawing.Point(8, 26);
             this.lblExt.Name = "lblExt";
             this.lblExt.Size = new System.Drawing.Size(56, 13);
             this.lblExt.TabIndex = 2;
@@ -186,15 +187,15 @@ private void InitializeComponent()
             // 
             this.cbExtension.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
             this.cbExtension.FormattingEnabled = true;
-            this.cbExtension.Location = new System.Drawing.Point(72, 32);
+            this.cbExtension.Location = new System.Drawing.Point(72, 22);
             this.cbExtension.Name = "cbExtension";
-            this.cbExtension.Size = new System.Drawing.Size(72, 21);
+            this.cbExtension.Size = new System.Drawing.Size(88, 21);
             this.cbExtension.TabIndex = 3;
             // 
             // lblCodec
             // 
             this.lblCodec.AutoSize = true;
-            this.lblCodec.Location = new System.Drawing.Point(8, 28);
+            this.lblCodec.Location = new System.Drawing.Point(8, 26);
             this.lblCodec.Name = "lblCodec";
             this.lblCodec.Size = new System.Drawing.Size(70, 13);
             this.lblCodec.TabIndex = 0;
@@ -204,9 +205,9 @@ private void InitializeComponent()
             // 
             this.cboVideoCodec.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
             this.cboVideoCodec.FormattingEnabled = true;
-            this.cboVideoCodec.Location = new System.Drawing.Point(88, 24);
+            this.cboVideoCodec.Location = new System.Drawing.Point(88, 22);
             this.cboVideoCodec.Name = "cboVideoCodec";
-            this.cboVideoCodec.Size = new System.Drawing.Size(120, 21);
+            this.cboVideoCodec.Size = new System.Drawing.Size(136, 21);
             this.cboVideoCodec.TabIndex = 1;
             // 
             // cbPreset
@@ -361,7 +362,7 @@ private void InitializeComponent()
             this.tpVpx.Controls.Add(this.lblVpxCRF);
             this.tpVpx.Location = new System.Drawing.Point(4, 22);
             this.tpVpx.Name = "tpVpx";
-            this.tpVpx.Size = new System.Drawing.Size(304, 46);
+            this.tpVpx.Size = new System.Drawing.Size(312, 46);
             this.tpVpx.TabIndex = 2;
             this.tpVpx.Text = "VP8";
             this.tpVpx.UseVisualStyleBackColor = true;
@@ -381,7 +382,7 @@ private void InitializeComponent()
             this.tpXvid.Controls.Add(this.lblQscale);
             this.tpXvid.Location = new System.Drawing.Point(4, 22);
             this.tpXvid.Name = "tpXvid";
-            this.tpXvid.Size = new System.Drawing.Size(304, 46);
+            this.tpXvid.Size = new System.Drawing.Size(312, 46);
             this.tpXvid.TabIndex = 3;
             this.tpXvid.Text = "XviD";
             this.tpXvid.UseVisualStyleBackColor = true;
@@ -439,15 +440,15 @@ private void InitializeComponent()
             // 
             this.cboVideoSource.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
             this.cboVideoSource.FormattingEnabled = true;
-            this.cboVideoSource.Location = new System.Drawing.Point(96, 22);
+            this.cboVideoSource.Location = new System.Drawing.Point(88, 22);
             this.cboVideoSource.Name = "cboVideoSource";
-            this.cboVideoSource.Size = new System.Drawing.Size(120, 21);
+            this.cboVideoSource.Size = new System.Drawing.Size(136, 21);
             this.cboVideoSource.TabIndex = 12;
             // 
             // lblVideoSource
             // 
             this.lblVideoSource.AutoSize = true;
-            this.lblVideoSource.Location = new System.Drawing.Point(16, 26);
+            this.lblVideoSource.Location = new System.Drawing.Point(8, 26);
             this.lblVideoSource.Name = "lblVideoSource";
             this.lblVideoSource.Size = new System.Drawing.Size(72, 13);
             this.lblVideoSource.TabIndex = 11;
@@ -457,17 +458,15 @@ private void InitializeComponent()
             // 
             this.cboAudioSource.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
             this.cboAudioSource.FormattingEnabled = true;
-            this.cboAudioSource.Items.AddRange(new object[] {
+            this.cboAudioSource.Location = new System.Drawing.Point(88, 52);
-            "None"});
-            this.cboAudioSource.Location = new System.Drawing.Point(96, 56);
             this.cboAudioSource.Name = "cboAudioSource";
-            this.cboAudioSource.Size = new System.Drawing.Size(120, 21);
+            this.cboAudioSource.Size = new System.Drawing.Size(136, 21);
             this.cboAudioSource.TabIndex = 14;
             // 
             // lblAudioSource
             // 
             this.lblAudioSource.AutoSize = true;
-            this.lblAudioSource.Location = new System.Drawing.Point(16, 60);
+            this.lblAudioSource.Location = new System.Drawing.Point(8, 56);
             this.lblAudioSource.Name = "lblAudioSource";
             this.lblAudioSource.Size = new System.Drawing.Size(72, 13);
             this.lblAudioSource.TabIndex = 13;
@@ -477,15 +476,15 @@ private void InitializeComponent()
             // 
             this.cboAudioCodec.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
             this.cboAudioCodec.FormattingEnabled = true;
-            this.cboAudioCodec.Location = new System.Drawing.Point(88, 56);
+            this.cboAudioCodec.Location = new System.Drawing.Point(88, 52);
             this.cboAudioCodec.Name = "cboAudioCodec";
-            this.cboAudioCodec.Size = new System.Drawing.Size(120, 21);
+            this.cboAudioCodec.Size = new System.Drawing.Size(136, 21);
             this.cboAudioCodec.TabIndex = 16;
             // 
             // lblAudioCodec
             // 
             this.lblAudioCodec.AutoSize = true;
-            this.lblAudioCodec.Location = new System.Drawing.Point(8, 60);
+            this.lblAudioCodec.Location = new System.Drawing.Point(8, 56);
             this.lblAudioCodec.Name = "lblAudioCodec";
             this.lblAudioCodec.Size = new System.Drawing.Size(70, 13);
             this.lblAudioCodec.TabIndex = 15;
@@ -510,9 +509,9 @@ private void InitializeComponent()
             this.gbCodecs.Controls.Add(this.lblAudioCodec);
             this.gbCodecs.Controls.Add(this.cboVideoCodec);
             this.gbCodecs.Controls.Add(this.lblCodec);
-            this.gbCodecs.Location = new System.Drawing.Point(256, 8);
+            this.gbCodecs.Location = new System.Drawing.Point(248, 8);
             this.gbCodecs.Name = "gbCodecs";
-            this.gbCodecs.Size = new System.Drawing.Size(224, 88);
+            this.gbCodecs.Size = new System.Drawing.Size(232, 88);
             this.gbCodecs.TabIndex = 18;
             this.gbCodecs.TabStop = false;
             this.gbCodecs.Text = "Codecs";
@@ -521,19 +520,30 @@ private void InitializeComponent()
             // 
             this.gbContainer.Controls.Add(this.cbExtension);
             this.gbContainer.Controls.Add(this.lblExt);
-            this.gbContainer.Location = new System.Drawing.Point(496, 8);
+            this.gbContainer.Location = new System.Drawing.Point(488, 8);
             this.gbContainer.Name = "gbContainer";
-            this.gbContainer.Size = new System.Drawing.Size(160, 88);
+            this.gbContainer.Size = new System.Drawing.Size(168, 88);
             this.gbContainer.TabIndex = 19;
             this.gbContainer.TabStop = false;
             this.gbContainer.Text = "Container format";
             // 
+            // btnRefreshSources
+            // 
+            this.btnRefreshSources.Location = new System.Drawing.Point(176, 4);
+            this.btnRefreshSources.Name = "btnRefreshSources";
+            this.btnRefreshSources.Size = new System.Drawing.Size(56, 23);
+            this.btnRefreshSources.TabIndex = 20;
+            this.btnRefreshSources.Text = "Refresh";
+            this.btnRefreshSources.UseVisualStyleBackColor = true;
+            this.btnRefreshSources.Click += new System.EventHandler(this.btnRefreshSources_Click);
+            // 
             // FFmpegOptionsForm
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.BackColor = System.Drawing.Color.White;
             this.ClientSize = new System.Drawing.Size(668, 474);
+            this.Controls.Add(this.btnRefreshSources);
             this.Controls.Add(this.gbContainer);
             this.Controls.Add(this.gbCodecs);
             this.Controls.Add(this.gbSource);
@@ -619,5 +629,6 @@ private void InitializeComponent()
         private System.Windows.Forms.GroupBox gbSource;
         private System.Windows.Forms.GroupBox gbCodecs;
         private System.Windows.Forms.GroupBox gbContainer;
+        private System.Windows.Forms.Button btnRefreshSources;
     }
 }

ScreenCaptureLib/Screencast/FFmpegOptionsForm.cs

@@ -71,6 +71,8 @@ public FFmpegOptionsForm(ScreencastOptions options)
         private void SettingsLoad()
         {
             // General
+            RefreshSources();
+
             cboVideoCodec.Items.AddRange(Helpers.GetEnumDescriptions<FFmpegVideoCodec>());
             cboVideoCodec.SelectedIndex = (int)Options.FFmpeg.VideoCodec;
             cboVideoCodec.SelectedIndexChanged += (sender, e) => { UpdateUI(); UpdateExtensions(); };
@@ -107,6 +109,30 @@ private void SettingsLoad()
             nudQscale.ValueChanged += (sender, e) => UpdateUI();
         }
 
+        private void RefreshSources()
+        {
+            DirectShowDevices devices = null;
+            Helpers.AsyncJob(() =>
+            {
+                using (FFmpegHelper ffmpeg = new FFmpegHelper(Options))
+                {
+                    devices = ffmpeg.GetDirectShowDevices();
+                }
+            },
+            () =>
+            {
+                cboVideoSource.Items.Clear();
+                cboVideoSource.Items.Add("GDI grab");
+                cboAudioSource.Items.Clear();
+                cboAudioSource.Items.Add("None");
+                if (devices != null)
+                {
+                    cboVideoSource.Items.AddRange(devices.VideoDevices.ToArray());
+                    cboAudioSource.Items.AddRange(devices.AudioDevices.ToArray());
+                }
+            });
+        }
+
         public void SettingsSave()
         {
             // General
@@ -154,8 +180,11 @@ public void UpdateExtensions()
 
         private void buttonFFmpegBrowse_Click(object sender, EventArgs e)
         {
-            Helpers.BrowseFile("Browse for ffmpeg.exe", tbFFmpegPath, Environment.GetFolderPath(Environment.SpecialFolder.ProgramFiles));
+            if (Helpers.BrowseFile("Browse for ffmpeg.exe", tbFFmpegPath, Environment.GetFolderPath(Environment.SpecialFolder.ProgramFiles)))
-            UpdateUI();
+            {
+                RefreshSources();
+                UpdateUI();
+            }
         }
 
         private void buttonFFmpegHelp_Click(object sender, EventArgs e)
@@ -175,7 +204,12 @@ private void DownloaderForm_InstallRequested(string filePath)
 
             if (result)
             {
-                this.InvokeSafe(() => tbFFmpegPath.Text = extractPath);
+                this.InvokeSafe(() =>
+                {
+                    tbFFmpegPath.Text = extractPath;
+                    RefreshSources();
+                    UpdateUI();
+                });
                 MessageBox.Show("FFmpeg successfully downloaded.", Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Information);
             }
             else
@@ -211,5 +245,10 @@ private void btnCopyPreview_Click(object sender, EventArgs e)
         {
             ClipboardHelpers.CopyText("ffmpeg " + Options.GetFFmpegArgs());
         }
+
+        private void btnRefreshSources_Click(object sender, EventArgs e)
+        {
+            RefreshSources();
+        }
     }
 }