public void Run()
{
//params
var compiled = IN_CompileJob;
var context = compiled.IN_CueContext;
OUT_Disc = new Disc();
//generation state
int curr_index;
int curr_blobIndex = -1;
int curr_blobMSF = -1;
BlobInfo curr_blobInfo = null;
long curr_blobOffset = -1;
//mount all input files
MountBlobs();
//unhappily, we cannot determine the length of all the tracks without knowing the length of the files
//now that the files are mounted, we can figure the track lengths
AnalyzeTracks();
//loop from track 1 to 99
//(track 0 isnt handled yet, that's way distant work)
for (int t = 1; t < TrackInfos.Count; t++)
{
TrackInfo ti = TrackInfos[t];
CompiledCueTrack cct = ti.CompiledCueTrack;
//---------------------------------
//setup track pregap processing
//per "Example 05" on digitalx.org, pregap can come from index specification and pregap command
int specifiedPregapLength = cct.PregapLength.Sector;
int impliedPregapLength = cct.Indexes[1].FileMSF.Sector - cct.Indexes[0].FileMSF.Sector;
int totalPregapLength = specifiedPregapLength + impliedPregapLength;
//from now on we'll track relative timestamp and increment it continually
int relMSF = -totalPregapLength;
//read more at policies declaration
//if (!context.DiscMountPolicy.CUE_PauseContradictionModeA)
// relMSF += 1;
//---------------------------------
//---------------------------------
//generate sectors for this track.
//advance to the next file if needed
if (curr_blobIndex != cct.BlobIndex)
{
curr_blobIndex = cct.BlobIndex;
curr_blobOffset = 0;
curr_blobMSF = 0;
curr_blobInfo = BlobInfos[curr_blobIndex];
}
//work until the next track is reached, or the end of the current file is reached, depending on the track type
curr_index = 0;
for (; ;)
{
bool trackDone = false;
bool generateGap = false;
if (specifiedPregapLength > 0)
{
//if burning through a specified pregap, count it down
generateGap = true;
specifiedPregapLength--;
}
else
{
//if burning through the file, select the appropriate index by inspecting the next index and seeing if we've reached it
for (; ;)
{
if (curr_index == cct.Indexes.Count - 1)
{
break;
}
if (curr_blobMSF >= cct.Indexes[curr_index + 1].FileMSF.Sector)
{
curr_index++;
if (curr_index == 1)
{
//WE ARE NOW AT INDEX 1: generate the RawTOCEntry for this track
EmitRawTOCEntry(cct);
}
}
else
{
break;
}
}
}
//select the track type for the subQ
//it's obviously the same as the main track type usually, but during a pregap it can be different
TrackInfo qTrack = ti;
int qRelMSF = relMSF;
if (curr_index == 0)
{
//tweak relMSF due to ambiguity/contradiction in yellowbook docs
if (!context.DiscMountPolicy.CUE_PregapContradictionModeA)
{
qRelMSF++;
}
//[IEC10149] says there's two "intervals" of a pregap.
//mednafen's pseudocode interpretation of this:
//if this is a data track and the previous track was not data, the last 150 sectors of the pregap match this track and the earlier sectors (at least 75) math the previous track
//I agree, so let's do it that way
if (t != 1 && cct.TrackType != CueTrackType.Audio && TrackInfos[t - 1].CompiledCueTrack.TrackType == CueTrackType.Audio)
{
if (relMSF < -150)
{
qTrack = TrackInfos[t - 1];
}
}
}
//generate the right kind of sector synth for this track
SS_Base ss = null;
if (generateGap)
{
var ss_gap = new SS_Gap();
ss_gap.TrackType = qTrack.CompiledCueTrack.TrackType;
ss = ss_gap;
}
else
{
int sectorSize = int.MaxValue;
switch (qTrack.CompiledCueTrack.TrackType)
{
case CueTrackType.Audio:
case CueTrackType.CDI_2352:
case CueTrackType.Mode1_2352:
case CueTrackType.Mode2_2352:
ss = new SS_2352();
sectorSize = 2352;
break;
case CueTrackType.Mode1_2048:
ss = new SS_Mode1_2048();
sectorSize = 2048;
break;
default:
case CueTrackType.Mode2_2336:
throw new InvalidOperationException($"Not supported: {cct.TrackType}");
}
ss.Blob = curr_blobInfo.Blob;
ss.BlobOffset = curr_blobOffset;
curr_blobOffset += sectorSize;
curr_blobMSF++;
}
ss.Policy = context.DiscMountPolicy;
//setup subQ
byte ADR = 1; //absent some kind of policy for how to set it, this is a safe assumption:
ss.sq.SetStatus(ADR, (EControlQ)(int)qTrack.CompiledCueTrack.Flags);
ss.sq.q_tno = BCD2.FromDecimal(cct.Number);
ss.sq.q_index = BCD2.FromDecimal(curr_index);
ss.sq.AP_Timestamp = OUT_Disc._Sectors.Count;
ss.sq.Timestamp = qRelMSF;
//setup subP
if (curr_index == 0)
{
ss.Pause = true;
}
OUT_Disc._Sectors.Add(ss);
relMSF++;
if (cct.IsFinalInFile)
{
//sometimes, break when the file is exhausted
if (curr_blobOffset >= curr_blobInfo.Length)
{
trackDone = true;
}
}
else
{
//other times, break when the track is done
//(this check is safe because it's not the final track overall if it's not the final track in a file)
if (curr_blobMSF >= TrackInfos[t + 1].CompiledCueTrack.Indexes[0].FileMSF.Sector)
{
trackDone = true;
}
}
if (trackDone)
{
break;
}
}
//---------------------------------
//gen postgap sectors
int specifiedPostgapLength = cct.PostgapLength.Sector;
for (int s = 0; s < specifiedPostgapLength; s++)
{
var ss = new SS_Gap();
ss.TrackType = cct.TrackType; //TODO - old track type in some < -150 cases?
//-subq-
byte ADR = 1;
ss.sq.SetStatus(ADR, (EControlQ)(int)cct.Flags);
ss.sq.q_tno = BCD2.FromDecimal(cct.Number);
ss.sq.q_index = BCD2.FromDecimal(curr_index);
ss.sq.AP_Timestamp = OUT_Disc._Sectors.Count;
ss.sq.Timestamp = relMSF;
//-subP-
//always paused--is this good enough?
ss.Pause = true;
OUT_Disc._Sectors.Add(ss);
relMSF++;
}
} //end track loop
//add RawTOCEntries A0 A1 A2 to round out the TOC
var TOCMiscInfo = new Synthesize_A0A1A2_Job {
IN_FirstRecordedTrackNumber = IN_CompileJob.OUT_CompiledDiscInfo.FirstRecordedTrackNumber,
IN_LastRecordedTrackNumber = IN_CompileJob.OUT_CompiledDiscInfo.LastRecordedTrackNumber,
IN_Session1Format = IN_CompileJob.OUT_CompiledDiscInfo.SessionFormat,
IN_LeadoutTimestamp = OUT_Disc._Sectors.Count
};
TOCMiscInfo.Run(OUT_Disc.RawTOCEntries);
//TODO - generate leadout, or delegates at least
//blech, old crap, maybe
//OUT_Disc.Structure.Synthesize_TOCPointsFromSessions();
//FinishLog();
} //Run()
public void Run()
{
//params
var compiled = IN_CompileJob;
var context = compiled.IN_CueContext;
OUT_Disc = new Disc();
//generation state
int curr_index;
int curr_blobIndex = -1;
int curr_blobMSF = -1;
BlobInfo curr_blobInfo = null;
long curr_blobOffset = -1;
//mount all input files
MountBlobs();
//unhappily, we cannot determine the length of all the tracks without knowing the length of the files
//now that the files are mounted, we can figure the track lengths
AnalyzeTracks();
//loop from track 1 to 99
//(track 0 isnt handled yet, that's way distant work)
for (int t = 1; t < TrackInfos.Count; t++)
{
TrackInfo ti = TrackInfos[t];
CompiledCueTrack cct = ti.CompiledCueTrack;
//---------------------------------
//setup track pregap processing
//per "Example 05" on digitalx.org, pregap can come from index specification and pregap command
int specifiedPregapLength = cct.PregapLength.Sector;
int impliedPregapLength = cct.Indexes[1].FileMSF.Sector - cct.Indexes[0].FileMSF.Sector;
int totalPregapLength = specifiedPregapLength + impliedPregapLength;
//from now on we'll track relative timestamp and increment it continually
int relMSF = -totalPregapLength;
//read more at policies declaration
//if (!context.DiscMountPolicy.CUE_PauseContradictionModeA)
// relMSF += 1;
//---------------------------------
//---------------------------------
//generate sectors for this track.
//advance to the next file if needed
if (curr_blobIndex != cct.BlobIndex)
{
curr_blobIndex = cct.BlobIndex;
curr_blobOffset = 0;
curr_blobMSF = 0;
curr_blobInfo = BlobInfos[curr_blobIndex];
}
//work until the next track is reached, or the end of the current file is reached, depending on the track type
curr_index = 0;
for (; ; )
{
bool trackDone = false;
bool generateGap = false;
if (specifiedPregapLength > 0)
{
//if burning through a specified pregap, count it down
generateGap = true;
specifiedPregapLength--;
}
else
{
//if burning through the file, select the appropriate index by inspecting the next index and seeing if we've reached it
for (; ; )
{
if (curr_index == cct.Indexes.Count - 1)
break;
if (curr_blobMSF >= cct.Indexes[curr_index + 1].FileMSF.Sector)
{
curr_index++;
if (curr_index == 1)
{
//WE ARE NOW AT INDEX 1: generate the RawTOCEntry for this track
EmitRawTOCEntry(cct);
}
}
else break;
}
}
//select the track type for the subQ
//it's obviously the same as the main track type usually, but during a pregap it can be different
TrackInfo qTrack = ti;
int qRelMSF = relMSF;
if (curr_index == 0)
{
//tweak relMSF due to ambiguity/contradiction in yellowbook docs
if (!context.DiscMountPolicy.CUE_PregapContradictionModeA)
qRelMSF++;
//[IEC10149] says there's two "intervals" of a pregap.
//mednafen's pseudocode interpretation of this:
//if this is a data track and the previous track was not data, the last 150 sectors of the pregap match this track and the earlier sectors (at least 75) math the previous track
//I agree, so let's do it that way
if (t != 1 && cct.TrackType != CueTrackType.Audio && TrackInfos[t - 1].CompiledCueTrack.TrackType == CueTrackType.Audio)
{
if (relMSF < -150)
{
qTrack = TrackInfos[t - 1];
}
}
}
//generate the right kind of sector synth for this track
SS_Base ss = null;
if (generateGap)
{
var ss_gap = new SS_Gap();
ss_gap.TrackType = qTrack.CompiledCueTrack.TrackType;
ss = ss_gap;
}
else
{
int sectorSize = int.MaxValue;
switch (qTrack.CompiledCueTrack.TrackType)
{
case CueTrackType.Audio:
case CueTrackType.CDI_2352:
case CueTrackType.Mode1_2352:
case CueTrackType.Mode2_2352:
ss = new SS_2352();
sectorSize = 2352;
break;
case CueTrackType.Mode1_2048:
ss = new SS_Mode1_2048();
sectorSize = 2048;
break;
default:
case CueTrackType.Mode2_2336:
throw new InvalidOperationException("Not supported: " + cct.TrackType);
}
ss.Blob = curr_blobInfo.Blob;
ss.BlobOffset = curr_blobOffset;
curr_blobOffset += sectorSize;
curr_blobMSF++;
}
ss.Policy = context.DiscMountPolicy;
//setup subQ
byte ADR = 1; //absent some kind of policy for how to set it, this is a safe assumption:
ss.sq.SetStatus(ADR, (EControlQ)(int)qTrack.CompiledCueTrack.Flags);
ss.sq.q_tno = BCD2.FromDecimal(cct.Number);
ss.sq.q_index = BCD2.FromDecimal(curr_index);
ss.sq.AP_Timestamp = new Timestamp(OUT_Disc.Sectors.Count);
ss.sq.Timestamp = new Timestamp(qRelMSF);
//setup subP
if (curr_index == 0)
ss.Pause = true;
OUT_Disc.Sectors.Add(ss);
relMSF++;
if (cct.IsFinalInFile)
{
//sometimes, break when the file is exhausted
if (curr_blobOffset >= curr_blobInfo.Length)
trackDone = true;
}
else
{
//other times, break when the track is done
//(this check is safe because it's not the final track overall if it's not the final track in a file)
if (curr_blobMSF >= TrackInfos[t + 1].CompiledCueTrack.Indexes[0].FileMSF.Sector)
trackDone = true;
}
if (trackDone)
break;
}
//---------------------------------
//gen postgap sectors
int specifiedPostgapLength = cct.PostgapLength.Sector;
for (int s = 0; s < specifiedPostgapLength; s++)
{
var ss = new SS_Gap();
ss.TrackType = cct.TrackType; //TODO - old track type in some < -150 cases?
//-subq-
byte ADR = 1;
ss.sq.SetStatus(ADR, (EControlQ)(int)cct.Flags);
ss.sq.q_tno = BCD2.FromDecimal(cct.Number);
ss.sq.q_index = BCD2.FromDecimal(curr_index);
ss.sq.AP_Timestamp = new Timestamp(OUT_Disc.Sectors.Count);
ss.sq.Timestamp = new Timestamp(relMSF);
//-subP-
//always paused--is this good enough?
ss.Pause = true;
OUT_Disc.Sectors.Add(ss);
relMSF++;
}
} //end track loop
//add RawTOCEntries A0 A1 A2 to round out the TOC
var TOCMiscInfo = new Synthesize_A0A1A2_Job {
IN_FirstRecordedTrackNumber = IN_CompileJob.OUT_CompiledDiscInfo.FirstRecordedTrackNumber,
IN_LastRecordedTrackNumber = IN_CompileJob.OUT_CompiledDiscInfo.LastRecordedTrackNumber,
IN_Session1Format = IN_CompileJob.OUT_CompiledDiscInfo.SessionFormat,
IN_LeadoutTimestamp = new Timestamp(OUT_Disc.Sectors.Count) //do we need a +150?
};
TOCMiscInfo.Run(OUT_Disc.RawTOCEntries);
//TODO - generate leadout, or delegates at least
//blech, old crap, maybe
//OUT_Disc.Structure.Synthesize_TOCPointsFromSessions();
//FinishLog();
}
