convert stuff, icons

AudioNodes/Nodes/ConvertFlowElements/ConvertAudio.cs

@@ -0,0 +1,59 @@
+namespace FileFlows.AudioNodes;
+
+public class ConvertAudio : ConvertNode
+{
+    protected override string Extension => Codec;
+    public override string HelpUrl => "https://fileflows.com/docs/plugins/audio-nodes/convert-audio";
+
+    public static List<ListOption> BitrateOptions => ConvertNode.BitrateOptions;
+
+    [Select(nameof(CodecOptions), 0)]
+    public string Codec { get; set; }
+
+    /// <summary>
+    /// Gets or sets if high efficiency should be used
+    /// </summary>
+    [Boolean(5)]
+    [ConditionEquals(nameof(Codec), "aac")]
+    public bool HighEfficiency { get => base.HighEfficiency; set =>base.HighEfficiency = value; }
+
+    private static List<ListOption> _CodecOptions;
+    public static List<ListOption> CodecOptions
+    {
+        get
+        {
+            if (_CodecOptions == null)
+            {
+                _CodecOptions = new List<ListOption>
+                {
+                    new () { Label = "AAC", Value = "aac"},
+                    new () { Label = "MP3", Value = "MP3"},
+                    new () { Label = "OGG (Vorbis)", Value = "ogg"},
+                    new () { Label = "OGG (Opus)", Value = "libopus"},
+                    new () { Label = "WAV", Value = "wav"},
+                };
+            }
+            return _CodecOptions;
+        }
+    }
+
+    public override int Execute(NodeParameters args)
+    {
+        var audioInfoResult = GetAudioInfo(args);
+        if (audioInfoResult.Failed(out string error))
+        {
+            args.Logger?.ELog(error);
+            args.FailureReason = error;
+            return -1;
+        }
+
+        AudioInfo AudioInfo = audioInfoResult.Value; 
+
+        string ffmpegExe = GetFFmpeg(args);
+        if (string.IsNullOrEmpty(ffmpegExe))
+            return -1;
+            
+        return base.Execute(args);
+
+    }
+}