/// <summary>
/// Read the digital data of the track
/// </summary>
/// <param name="track">Track to read</param>
/// <param name="Data">Buffer that will receive the data</param>
/// <param name="DataSize">On return the size needed to read the track</param>
/// <param name="StartSecond">First second of the track to read, 0 means to start at beginning of the track</param>
/// <param name="Seconds2Read">Number of seconds to read, 0 means to read until the end of the track</param>
/// <param name="OnProgress">Delegate to indicate the reading progress</param>
/// <returns>Negative value means an error. On success returns the number of bytes read</returns>
public int ReadTrack(int track, byte[] Data, ref uint DataSize, uint StartSecond, uint Seconds2Read,
CdReadProgressEventHandler ProgressEvent)
{
if (TocValid && (track >= Toc.FirstTrack) && (track <= Toc.LastTrack))
{
int StartSect = GetStartSector(track);
int EndSect = GetEndSector(track);
if ((StartSect += (int)StartSecond * 75) >= EndSect)
{
StartSect -= (int)StartSecond * 75;
}
if ((Seconds2Read > 0) && ((int)(StartSect + Seconds2Read * 75) < EndSect))
{
EndSect = StartSect + (int)Seconds2Read * 75;
}
DataSize = (uint)(EndSect - StartSect) * CB_AUDIO;
if (Data != null)
{
if (Data.Length >= DataSize)
{
var BufferFiller = new CDBufferFiller(Data);
return(ReadTrack(track, BufferFiller.OnCdDataRead, StartSecond, Seconds2Read, ProgressEvent));
}
else
{
return(0);
}
}
else
{
return(0);
}
}
else
{
return(-1);
}
}
/// <summary>
/// Read the digital data of the track
/// </summary>
/// <param name="track">Track to read</param>
/// <param name="Data">Buffer that will receive the data</param>
/// <param name="DataSize">On return the size needed to read the track</param>
/// <param name="StartSecond">First second of the track to read, 0 means to start at beginning of the track</param>
/// <param name="Seconds2Read">Number of seconds to read, 0 means to read until the end of the track</param>
/// <param name="OnProgress">Delegate to indicate the reading progress</param>
/// <returns>Negative value means an error. On success returns the number of bytes read</returns>
public int ReadTrack(int track, byte[] Data, ref uint DataSize, uint StartSecond, uint Seconds2Read,
CdReadProgressEventHandler ProgressEvent)
{
if (TocValid && (track >= Toc.FirstTrack) && (track <= Toc.LastTrack))
{
int StartSect = GetStartSector(track);
int EndSect = GetEndSector(track);
if ((StartSect += (int) StartSecond*75) >= EndSect)
{
StartSect -= (int) StartSecond*75;
}
if ((Seconds2Read > 0) && ((int) (StartSect + Seconds2Read*75) < EndSect))
{
EndSect = StartSect + (int) Seconds2Read*75;
}
DataSize = (uint) (EndSect - StartSect)*CB_AUDIO;
if (Data != null)
{
if (Data.Length >= DataSize)
{
var BufferFiller = new CDBufferFiller(Data);
return ReadTrack(track, BufferFiller.OnCdDataRead, StartSecond, Seconds2Read, ProgressEvent);
}
else
{
return 0;
}
}
else
{
return 0;
}
}
else
{
return -1;
}
}
