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Try to solve pregaps when drive+disc combination returns wrong Q positioning and report this has been the case.

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This commit is contained in:
Natalia Portillo
2020-01-06 18:36:11 +00:00
parent 93d0671e49
commit 9be90b7cb9
3 changed files with 27 additions and 5 deletions
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14
DiscImageChef.Core/Devices/Dumping/CompactDisc/Pregap.cs
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@@ -123,16 +123,16 @@ namespace DiscImageChef.Core.Devices.Dumping
public static void SolveTrackPregaps(Device dev, DumpLog dumpLog, UpdateStatusHandler updateStatus,
Track[] tracks, bool supportsPqSubchannel, bool supportsRwSubchannel,
Database.Models.Device dbDev)
Database.Models.Device dbDev, out bool inexactPositioning)
{
bool sense; // Sense indicator
byte[] cmdBuf; // Data buffer
bool sense; // Sense indicator
byte[] subBuf;
int posQ;
uint retries;
bool? bcd = null;
byte[] crc;
Dictionary<uint, int> pregaps = new Dictionary<uint, int>();
inexactPositioning = false;
if(!supportsPqSubchannel &&
!supportsRwSubchannel)
@@ -296,6 +296,14 @@ namespace DiscImageChef.Core.Devices.Dumping
// Pregap according to Q position
int pregapQ = (subBuf[3] * 60 * 75) + (subBuf[4] * 75) + subBuf[5] + 1;
posQ = ((subBuf[7] * 60 * 75) + (subBuf[8] * 75) + subBuf[9]) - 150;
int diff = posQ - lba;
if(diff != 0)
{
inexactPositioning = true;
pregapQ += diff;
}
// Bigger than known change, otherwise we found it
if(pregapQ > pregaps[track.TrackSequence])