mirror of
https://github.com/aaru-dps/RedBookPlayer.git
synced 2025-12-16 19:24:41 +00:00
Use Aaru.Decoders TOC creation
This commit is contained in:
Matt Nadareski
@@ -291,180 +291,16 @@ namespace RedBookPlayer.Discs
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CurrentSector = (ulong)(firstSector >= 0 ? firstSector : _image.Tracks[track].Indexes[1]);
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}
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/// <summary>
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/// Generate a CDFullTOC object from the current image
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/// </summary>
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/// <returns>CDFullTOC object, if possible</returns>
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/// <remarks>Copied from <see cref="Aaru.DiscImages.CloneCd"/></remarks>
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private bool GenerateTOC()
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{
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// Invalid image means we can't generate anything
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if(_image == null)
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return false;
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_toc = new CDFullTOC();
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Dictionary<byte, byte> _trackFlags = new Dictionary<byte, byte>();
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Dictionary<byte, byte> sessionEndingTrack = new Dictionary<byte, byte>();
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_toc.FirstCompleteSession = byte.MaxValue;
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_toc.LastCompleteSession = byte.MinValue;
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List<TrackDataDescriptor> trackDescriptors = new List<TrackDataDescriptor>();
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byte currentTrack = 0;
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foreach(Track track in _image.Tracks.OrderBy(t => t.TrackSession).ThenBy(t => t.TrackSequence))
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{
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byte[] trackFlags = _image.ReadSectorTag(track.TrackStartSector + 1, SectorTagType.CdTrackFlags);
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if(trackFlags != null)
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_trackFlags.Add((byte)track.TrackStartSector, trackFlags[0]);
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}
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foreach(Track track in _image.Tracks.OrderBy(t => t.TrackSession).ThenBy(t => t.TrackSequence))
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{
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if(track.TrackSession < _toc.FirstCompleteSession)
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_toc.FirstCompleteSession = (byte)track.TrackSession;
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if(track.TrackSession <= _toc.LastCompleteSession)
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{
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currentTrack = (byte)track.TrackSequence;
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continue;
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}
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if(_toc.LastCompleteSession > 0)
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sessionEndingTrack.Add(_toc.LastCompleteSession, currentTrack);
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_toc.LastCompleteSession = (byte)track.TrackSession;
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}
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byte currentSession = 0;
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foreach(Track track in _image.Tracks.OrderBy(t => t.TrackSession).ThenBy(t => t.TrackSequence))
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{
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_trackFlags.TryGetValue((byte)track.TrackSequence, out byte trackControl);
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if(trackControl == 0 &&
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track.TrackType != Aaru.CommonTypes.Enums.TrackType.Audio)
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trackControl = (byte)CdFlags.DataTrack;
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// Lead-Out
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if(track.TrackSession > currentSession &&
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currentSession != 0)
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{
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(byte minute, byte second, byte frame) leadoutAmsf = LbaToMsf(track.TrackStartSector - 150);
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(byte minute, byte second, byte frame) leadoutPmsf =
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LbaToMsf(_image.Tracks.OrderBy(t => t.TrackSession).ThenBy(t => t.TrackSequence).Last().
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TrackStartSector);
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// Lead-out
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trackDescriptors.Add(new TrackDataDescriptor
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{
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SessionNumber = currentSession,
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POINT = 0xB0,
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ADR = 5,
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CONTROL = 0,
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HOUR = 0,
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Min = leadoutAmsf.minute,
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Sec = leadoutAmsf.second,
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Frame = leadoutAmsf.frame,
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PHOUR = 2,
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PMIN = leadoutPmsf.minute,
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PSEC = leadoutPmsf.second,
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PFRAME = leadoutPmsf.frame
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});
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// This seems to be constant? It should not exist on CD-ROM but CloneCD creates them anyway
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// Format seems like ATIP, but ATIP should not be as 0xC0 in TOC...
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//trackDescriptors.Add(new TrackDataDescriptor
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//{
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// SessionNumber = currentSession,
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// POINT = 0xC0,
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// ADR = 5,
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// CONTROL = 0,
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// Min = 128,
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// PMIN = 97,
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// PSEC = 25
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//});
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}
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// Lead-in
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if(track.TrackSession > currentSession)
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{
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currentSession = (byte)track.TrackSession;
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sessionEndingTrack.TryGetValue(currentSession, out byte endingTrackNumber);
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(byte minute, byte second, byte frame) leadinPmsf =
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LbaToMsf(_image.Tracks.FirstOrDefault(t => t.TrackSequence == endingTrackNumber)?.TrackEndSector ??
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0 + 1);
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// Starting track
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trackDescriptors.Add(new TrackDataDescriptor
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{
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SessionNumber = currentSession,
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POINT = 0xA0,
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ADR = 1,
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CONTROL = trackControl,
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PMIN = (byte)track.TrackSequence
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});
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// Ending track
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trackDescriptors.Add(new TrackDataDescriptor
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{
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SessionNumber = currentSession,
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POINT = 0xA1,
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ADR = 1,
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CONTROL = trackControl,
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PMIN = endingTrackNumber
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});
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// Lead-out start
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trackDescriptors.Add(new TrackDataDescriptor
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{
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SessionNumber = currentSession,
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POINT = 0xA2,
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ADR = 1,
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CONTROL = trackControl,
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PHOUR = 0,
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PMIN = leadinPmsf.minute,
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PSEC = leadinPmsf.second,
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PFRAME = leadinPmsf.frame
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});
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}
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(byte minute, byte second, byte frame) pmsf = LbaToMsf(track.TrackStartSector);
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// Track
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trackDescriptors.Add(new TrackDataDescriptor
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{
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SessionNumber = (byte)track.TrackSession,
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POINT = (byte)track.TrackSequence,
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ADR = 1,
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CONTROL = trackControl,
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PHOUR = 0,
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PMIN = pmsf.minute,
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PSEC = pmsf.second,
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PFRAME = pmsf.frame
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});
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}
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_toc.TrackDescriptors = trackDescriptors.ToArray();
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return true;
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}
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/// <summary>
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/// Convert the sector to LBA values
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/// </summary>
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/// <param name="sector">Sector to convert</param>
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/// <returns>LBA values for the sector number</returns>
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/// <remarks>Copied from <see cref="Aaru.DiscImages.CloneCd"/></remarks>
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private (byte minute, byte second, byte frame) LbaToMsf(ulong sector) =>
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((byte)((sector + 150) / 75 / 60), (byte)((sector + 150) / 75 % 60), (byte)((sector + 150) % 75));
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/// <summary>
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/// Load TOC for the current disc image
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/// </summary>
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/// <returns>True if the TOC could be loaded, false otherwise</returns>
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private bool LoadTOC()
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{
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// If the image is invalide, we can't load or generate a TOC
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if(_image == null)
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return false;
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if(_image.Info.ReadableMediaTags?.Contains(MediaTagType.CD_FullTOC) != true)
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{
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// Only generate the TOC if we have it set
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@@ -475,12 +311,24 @@ namespace RedBookPlayer.Discs
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}
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Console.WriteLine("Attempting to generate TOC");
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if(GenerateTOC())
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// Get the list of tracks and flags to create the TOC with
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List<Track> tracks = _image.Tracks.OrderBy(t => t.TrackSession).ThenBy(t => t.TrackSequence).ToList();
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Dictionary<byte, byte> trackFlags = new Dictionary<byte, byte>();
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foreach(Track track in tracks)
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{
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byte[] singleTrackFlags = _image.ReadSectorTag(track.TrackStartSector + 1, SectorTagType.CdTrackFlags);
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if(singleTrackFlags != null)
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trackFlags.Add((byte)track.TrackStartSector, singleTrackFlags[0]);
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}
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try
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{
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_toc = Create(tracks, trackFlags);
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Console.WriteLine(Prettify(_toc));
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return true;
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}
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else
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catch
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{
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Console.WriteLine("Full TOC not found or generated");
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return false;
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