Refactored the LAME interop.

2025-12-16 18:14:25 +00:00 · 2011-10-24 08:42:30 +00:00
parent 6f84aadc2e
commit d7f588e19c
22 changed files with 970 additions and 899 deletions
--- a/CUETools.Codecs.LAME/LAMEEncoderVBR.cs
+++ b/CUETools.Codecs.LAME/LAMEEncoderVBR.cs
@@ -0,0 +1,62 @@
+using System;
+using System.IO;
+using CUETools.Codecs.LAME.Interop;
+
+namespace CUETools.Codecs.LAME
+{
+    [AudioEncoderClass("lame VBR", "mp3", false, "V9 V8 V7 V6 V5 V4 V3 V2 V1 V0", "V2", 2, typeof(LAMEEncoderVBRSettings))]
+    public class LAMEEncoderVBR : LAMEEncoder
+    {
+        private int quality = 0;
+        private LAMEEncoderVBRSettings _settings = new LAMEEncoderVBRSettings();
+
+        public override int CompressionLevel
+        {
+            get
+            {
+                return 9 - quality;
+            }
+            set
+            {
+                if (value < 0 || value > 9)
+                    throw new Exception("unsupported compression level");
+                quality = 9 - value;
+            }
+        }
+
+        public override object Settings
+        {
+            get
+            {
+                return _settings;
+            }
+            set
+            {
+                if (value as LAMEEncoderVBRSettings == null)
+                    throw new Exception("Unsupported options " + value);
+                _settings = value as LAMEEncoderVBRSettings;
+            }
+        }
+
+        public LAMEEncoderVBR(string path, Stream IO, AudioPCMConfig pcm)
+            : base(path, IO, pcm)
+        {
+        }
+
+        public LAMEEncoderVBR(string path, AudioPCMConfig pcm)
+            : base(path, null, pcm)
+        {
+        }
+
+        protected override BE_CONFIG MakeConfig()
+        {
+            BE_CONFIG Mp3Config = new BE_CONFIG(PCM, 0, (uint)_settings.Quality);
+            Mp3Config.format.lhv1.bWriteVBRHeader = 1;
+            Mp3Config.format.lhv1.nMode = MpegMode.JOINT_STEREO;
+            Mp3Config.format.lhv1.bEnableVBR = 1;
+            Mp3Config.format.lhv1.nVBRQuality = quality;
+            Mp3Config.format.lhv1.nVbrMethod = VBRMETHOD.VBR_METHOD_NEW; // --vbr-new
+            return Mp3Config;
+        }
+    }
+}