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Separate mode2 subheader from sector contents, helps for deduplication and compression.

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This commit is contained in:
Natalia Portillo
2018-08-02 22:31:02 +01:00
parent 224ef1b249
commit 076297bbbd
5 changed files with 97 additions and 8 deletions
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12
DiscImageChef.DiscImages/DiscImageChef/Read.cs
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@@ -269,6 +269,9 @@ namespace DiscImageChef.DiscImages
if(!imageInfo.ReadableSectorTags.Contains(SectorTagType.AppleSectorTag))
imageInfo.ReadableSectorTags.Add(SectorTagType.AppleSectorTag);
break;
case DataType.CompactDiscMode2Subheader:
mode2Subheaders = data;
break;
default:
MediaTagType mediaTagType = GetMediaTagTypeForDataType(blockHeader.type);
@@ -1362,7 +1365,14 @@ namespace DiscImageChef.DiscImages
case TrackType.CdMode2Formless:
case TrackType.CdMode2Form1:
case TrackType.CdMode2Form2:
Array.Copy(data, 0, sector, 16, 2336);
if(mode2Subheaders != null)
{
Array.Copy(mode2Subheaders, (int)sectorAddress * 8, sector, 16, 8);
Array.Copy(data, 0, sector, 24, 2328);
}
else
Array.Copy(data, 0, sector, 16, 2336);
if(sectorPrefix != null)
Array.Copy(sectorPrefix, (int)sectorAddress * 16, sector, 0, 16);
else if(sectorPrefixMs != null)