public static void SetStreamDecode(StreamDecodeT *lz4sd, byte *dictionary, int dictSize)
{
lz4sd->PrefixSize = (uint)dictSize;
lz4sd->PrefixEnd = dictionary + dictSize;
lz4sd->ExternalDict = null;
lz4sd->ExtDictSize = 0;
}
public static int DecompressFastContinue(StreamDecodeT *lz4sd, byte *source, byte *dest, int originalSize)
{
int result;
if (lz4sd->PrefixEnd == dest)
{
result = DecompressGeneric(
source,
dest,
0,
originalSize,
EndConditionDirective.EndOnOutputSize,
EarlyEndDirective.Full,
0,
DictDirective.UsingExtDict,
lz4sd->PrefixEnd - lz4sd->PrefixSize,
lz4sd->ExternalDict,
(int)lz4sd->ExtDictSize);
if (result <= 0)
{
return(result);
}
lz4sd->PrefixSize += (uint)originalSize;
lz4sd->PrefixEnd += originalSize;
}
else
{
lz4sd->ExtDictSize = lz4sd->PrefixSize;
lz4sd->ExternalDict = lz4sd->PrefixEnd - lz4sd->ExtDictSize;
result = DecompressGeneric(
source,
dest,
0,
originalSize,
EndConditionDirective.EndOnOutputSize,
EarlyEndDirective.Full,
0,
DictDirective.UsingExtDict,
dest,
lz4sd->ExternalDict,
(int)lz4sd->ExtDictSize);
if (result <= 0)
{
return(result);
}
lz4sd->PrefixSize = (uint)originalSize;
lz4sd->PrefixEnd = dest + originalSize;
}
return(result);
}
