68 lines
2.3 KiB
C#
68 lines
2.3 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using BizHawk.DiscSystem;
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using WaveLibrary;
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using System.IO;
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using System.Diagnostics;
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namespace BizHawk
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{
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class AudioExtractor
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{
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public static string FFmpegPath;
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public static void Extract(Disc disc, string path, string filebase)
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{
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var tracks = disc.TOC.Sessions[0].Tracks;
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foreach (var track in tracks)
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{
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if (track.TrackType != ETrackType.Audio)
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continue;
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var wave = new WaveFile(2, 16, 44100);
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var waveData = new byte[track.length_aba * 2352];
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int startLba = track.Indexes[1].LBA;
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for (int sector = 0; sector < track.length_aba; sector++)
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disc.ReadLBA_2352(startLba + sector, waveData, sector * 2352);
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wave.SetData(waveData, waveData.Length / 4);
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string waveFilePath = Path.Combine(path, "__temp.wav");
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wave.WriteFile(waveFilePath);
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Encode(waveFilePath, string.Format("{0} - Track {1:D2}.mp3", Path.Combine(path, filebase), track.num));
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File.Delete(waveFilePath);
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}
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}
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static void Encode(string wavePath, string mp3Path)
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{
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var args = Escape("-i", wavePath, "-ab", "192k", mp3Path);
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StringBuilder sbCmdline = new StringBuilder();
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for (int i = 0; i < args.Length; i++)
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{
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sbCmdline.Append(args[i]);
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if (i != args.Length - 1) sbCmdline.Append(' ');
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}
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ProcessStartInfo oInfo = new ProcessStartInfo(FFmpegPath, sbCmdline.ToString());
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oInfo.UseShellExecute = false;
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oInfo.CreateNoWindow = true;
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oInfo.RedirectStandardOutput = true;
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oInfo.RedirectStandardError = true;
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Process proc = System.Diagnostics.Process.Start(oInfo);
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proc.WaitForExit();
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string result = proc.StandardError.ReadToEnd();
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}
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static string[] Escape(params string[] args)
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{
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return args.Select(s => s.Contains(" ") ? string.Format("\"{0}\"", s) : s).ToArray();
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}
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}
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}
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