public static void Extract(Disc disc, string path, string fileBase)
{
var dsr = new DiscSectorReader(disc);
bool confirmed = false;
var tracks = disc.Session1.Tracks;
foreach (var track in tracks)
{
if (!track.IsAudio)
{
continue;
}
int trackLength = track.NextTrack.LBA - track.LBA;
var waveData = new byte[trackLength * 2352];
int startLba = track.LBA;
for (int sector = 0; sector < trackLength; sector++)
{
dsr.ReadLBA_2352(startLba + sector, waveData, sector * 2352);
}
string mp3Path = $"{Path.Combine(path, fileBase)} - Track {track.Number:D2}.mp3";
if (File.Exists(mp3Path))
{
if (!confirmed)
{
var dr = MessageBox.Show("This file already exists. Do you want extraction to proceed overwriting files, or cancel the entire operation immediately?", "File already exists", MessageBoxButtons.OKCancel);
if (dr == DialogResult.Cancel)
{
return;
}
confirmed = true;
}
File.Delete(mp3Path);
}
string tempfile = Path.GetTempFileName();
try
{
File.WriteAllBytes(tempfile, waveData);
var ffmpeg = new FFmpegService();
ffmpeg.Run("-f", "s16le", "-ar", "44100", "-ac", "2", "-i", tempfile, "-f", "mp3", "-ab", "192k", mp3Path);
}
finally
{
File.Delete(tempfile);
}
}
}
void EnsureSector()
{
if (CachedSector != CurrentSector)
{
if (CurrentSector >= Disc.Session1.LeadoutLBA)
{
Array.Clear(SectorCache, 0, 2352); // request reading past end of available disc
}
else
{
DiscSectorReader.ReadLBA_2352(CurrentSector, SectorCache, 0);
}
CachedSector = CurrentSector;
}
}
/// <summary>
/// read a sector, should be 2352 bytes
/// </summary>
/// <param name="FAD"></param>
/// <param name="dest"></param>
/// <returns></returns>
int CD_ReadSectorFAD(int FAD, IntPtr dest)
{
byte[] data = new byte[2352];
try
{
//CD.ReadABA_2352(FAD, data, 0);
DiscSectorReader.ReadLBA_2352(FAD - 150, data, 0); //zero 21-jun-2015 - did I adapt this right?
}
catch (Exception e)
{
Console.WriteLine("CD_ReadSectorFAD: Managed Exception:\n" + e.ToString());
return(0); // failure
}
Marshal.Copy(data, 0, dest, 2352);
DriveLightOn = true;
return(1); // success
}
private void CDRead(int lba, IntPtr dest, bool audio)
{
if (audio)
{
byte[] data = new byte[2352];
if (lba < _cd.Session1.LeadoutLBA && lba >= _cd.Session1.Tracks[2].LBA)
{
_cdReader.ReadLBA_2352(lba, data, 0);
}
Marshal.Copy(data, 0, dest, 2352);
}
else
{
byte[] data = new byte[2048];
_cdReader.ReadLBA_2048(lba, data, 0);
Marshal.Copy(data, 0, dest, 2048);
DriveLightOn = true;
}
}
public static void Extract(Disc disc, string path, string fileBase, Func <bool?> getOverwritePolicy)
{
var dsr = new DiscSectorReader(disc);
var shouldHalt = false;
bool?overwriteExisting = null; // true = overwrite, false = skip existing, null = unset
var tracks = disc.Session1.Tracks;
Parallel.ForEach(tracks, track =>
{
if (shouldHalt)
{
return;
}
if (!track.IsAudio)
{
return;
}
if (track.NextTrack == null)
{
return;
}
int trackLength = track.NextTrack.LBA - track.LBA;
var waveData = new byte[trackLength * 2352];
int startLba = track.LBA;
lock (disc)
for (int sector = 0; sector < trackLength; sector++)
{
dsr.ReadLBA_2352(startLba + sector, waveData, sector * 2352);
}
string mp3Path = $"{Path.Combine(path, fileBase)} - Track {track.Number:D2}.mp3";
if (File.Exists(mp3Path))
{
overwriteExisting ??= getOverwritePolicy();
switch (overwriteExisting)
{
case true: // "Yes" -- overwrite
File.Delete(mp3Path);
break;
case false: // "No" -- skip
return;
case null: // "Cancel" -- halt
shouldHalt = true;
return;
}
}
string tempfile = Path.GetTempFileName();
try
{
File.WriteAllBytes(tempfile, waveData);
FFmpegService.Run("-f", "s16le", "-ar", "44100", "-ac", "2", "-i", tempfile, "-f", "mp3", "-ab", "192k", mp3Path);
}
finally
{
File.Delete(tempfile);
}
});
}