2025-12-16 18:14:25 +00:00 · 2008-12-07 23:38:00 +00:00
parent a430001f33
commit 03f0187bc1
5 changed files with 2955 additions and 0 deletions
--- a/CUETools.Processor/AudioReadWrite.cs
+++ b/CUETools.Processor/AudioReadWrite.cs
@@ -0,0 +1,102 @@
+using System;
+using System.IO;
+using FLACDotNet;
+using WavPackDotNet;
+using APEDotNet;
+using CUETools.Codecs;
+using CUETools.Codecs.ALAC;
+using CUETools.Codecs.LossyWAV;
+using System.Collections.Generic;
+using System.Collections.Specialized;
+
+namespace CUETools.Processor
+{
+	public static class AudioReadWrite {
+		public static IAudioSource GetAudioSource(string path, Stream IO, string extension)
+		{
+			switch (extension)
+			{
+				case ".wav":
+					return new WAVReader(path, IO);
+				case ".m4a":
+					return new ALACReader(path, IO);
+#if !MONO
+				case ".flac":
+					return new FLACReader(path, IO);
+				case ".wv":
+					return new WavPackReader(path, IO, null);
+				case ".ape":
+					return new APEReader(path, IO);
+#endif
+				default:
+					throw new Exception("Unsupported audio type.");
+			}
+		}
+
+		public static IAudioSource GetAudioSource(string path, Stream IO)
+		{
+			string extension = Path.GetExtension(path).ToLower();
+			string filename = Path.GetFileNameWithoutExtension(path);
+			string secondExtension = Path.GetExtension(filename).ToLower();
+			if (secondExtension != ".lossy" && secondExtension != ".lwcdf")
+				return GetAudioSource(path, IO, extension);
+
+			string lossyPath = Path.Combine(Path.GetDirectoryName(path), Path.GetFileNameWithoutExtension(filename) + ".lossy" + extension);
+			string lwcdfPath = Path.Combine(Path.GetDirectoryName(path), Path.GetFileNameWithoutExtension(filename) + ".lwcdf" + extension);
+			IAudioSource lossySource = GetAudioSource(lossyPath, null, extension);
+			IAudioSource lwcdfSource = GetAudioSource(lwcdfPath, null, extension);
+			return new LossyWAVReader(lossySource, lwcdfSource);
+		}
+
+		public static IAudioDest GetAudioDest(string path, int bitsPerSample, int channelCount, int sampleRate, long finalSampleCount, string extension, CUEConfig config) {
+			IAudioDest dest;
+			switch (extension) {
+				case ".wav":
+					dest = new WAVWriter(path, bitsPerSample, channelCount, sampleRate, null);
+					break;
+#if !MONO
+				case ".flac":
+					dest = new FLACWriter(path, bitsPerSample, channelCount, sampleRate);
+					((FLACWriter)dest).CompressionLevel = (int)config.flacCompressionLevel;
+					((FLACWriter)dest).Verify = config.flacVerify;
+					break;
+				case ".wv":
+					dest = new WavPackWriter(path, bitsPerSample, channelCount, sampleRate);
+					((WavPackWriter)dest).CompressionMode = config.wvCompressionMode;
+					((WavPackWriter)dest).ExtraMode = config.wvExtraMode;
+					((WavPackWriter)dest).MD5Sum = config.wvStoreMD5;
+					break;
+				case ".ape":
+					dest = new APEWriter(path, bitsPerSample, channelCount, sampleRate);
+					((APEWriter)dest).CompressionLevel = (int)config.apeCompressionLevel;
+					break;
+				case ".dummy":
+					dest = new DummyWriter(path, bitsPerSample, channelCount, sampleRate); 
+					break;
+#endif
+				default:
+					throw new Exception("Unsupported audio type.");
+			}
+			dest.FinalSampleCount = finalSampleCount;
+			return dest;
+		}
+
+		public static IAudioDest GetAudioDest(string path, long finalSampleCount, CUEConfig config)
+		{
+			string extension = Path.GetExtension(path).ToLower();
+			string filename = Path.GetFileNameWithoutExtension(path);
+			if (Path.GetExtension(filename).ToLower() != ".lossy")
+			{
+				int bitsPerSample = (config.detectHDCD && config.decodeHDCD) ? (config.decodeHDCDto24bit ? 24 : 20) : 16;
+				return GetAudioDest(path, bitsPerSample, 2, 44100, finalSampleCount, extension, config);
+			}
+
+			string lwcdfPath = Path.Combine(Path.GetDirectoryName(path), Path.GetFileNameWithoutExtension(filename) + ".lwcdf" + extension);
+			int destBitsPerSample = (config.detectHDCD && config.decodeHDCD) ? ((!config.decodeHDCDtoLW16 && config.decodeHDCDto24bit) ? 24 : 20) : 16;
+			int lossyBitsPerSample = (config.detectHDCD && config.decodeHDCD && !config.decodeHDCDtoLW16) ? 24 : 16;
+			IAudioDest lossyDest = GetAudioDest(path, lossyBitsPerSample, 2, 44100, finalSampleCount, extension, config);
+			IAudioDest lwcdfDest = GetAudioDest(lwcdfPath, destBitsPerSample, 2, 44100, finalSampleCount, extension, config);
+			return new LossyWAVWriter(lossyDest, lwcdfDest, destBitsPerSample, 2, 44100, config.lossyWAVQuality);
+		}
+	}
+}