Adjustments for use of LameWriter in CUETools

CUETools.Codecs.LAME/LameWriterCBR.cs

@@ -0,0 +1,67 @@
+using System;
+using System.IO;
+
+namespace CUETools.Codecs.LAME
+{
+    [AudioEncoderClass("lame2 CBR", "mp3", false, "96 128 192 256 320", "256", 2, typeof(LameWriterCBRSettings))]
+    public class LameWriterCBR : LameWriter
+    {
+        private static readonly int[] bps_table = new int[] { 96, 128, 192, 256, 320 };
+        private int bps;
+
+        public LameWriterCBR(string path, Stream IO, AudioPCMConfig pcm)
+            : base(IO, pcm)
+        {
+        }
+
+        public LameWriterCBR(string path, AudioPCMConfig pcm)
+            : base(path, pcm)
+        {
+        }
+
+        public override int CompressionLevel
+        {
+            get
+            {
+                for (int i = 0; i < bps_table.Length; i++)
+                {
+                    if (bps == bps_table[i])
+                    {
+                        return i;
+                    }
+                }
+                return -1;
+            }
+            set
+            {
+                if (value < 0 || value > bps_table.Length)
+                    throw new Exception("unsupported compression level");
+                bps = bps_table[value];
+            }
+        }
+
+        LameWriterCBRSettings _settings = new LameWriterCBRSettings();
+
+        public override object Settings
+        {
+            get
+            {
+                return _settings;
+            }
+            set
+            {
+                if (value as LameWriterCBRSettings == null)
+                    throw new Exception("Unsupported options " + value);
+                _settings = value as LameWriterCBRSettings;
+            }
+        }
+
+        protected override LameWriterConfig Config
+        {
+            get
+            {
+                return LameWriterConfig.CreateCbr(this.bps, this._settings.Quality);
+            }
+        }
+    }
+}