internal static Stream CreateDecoderStream(Stream inStream, long startPos, long[] packSizes, CFolder folderInfo,
IPasswordProvider pass)
{
if (!folderInfo.CheckStructure())
{
throw new NotSupportedException("Unsupported stream binding structure.");
}
// We have multiple views into the same stream which will be used by several threads - need to sync those.
object sync = new object();
Stream[] inStreams = new Stream[folderInfo.PackStreams.Count];
for (int j = 0; j < folderInfo.PackStreams.Count; j++)
{
inStreams[j] = new SyncStreamView(sync, inStream, startPos, packSizes[j]);
startPos += packSizes[j];
}
Stream[] outStreams = new Stream[folderInfo.UnpackSizes.Count];
int primaryCoderIndex, primaryOutStreamIndex;
FindPrimaryOutStreamIndex(folderInfo, out primaryCoderIndex, out primaryOutStreamIndex);
return(CreateDecoderStream(inStreams, packSizes, outStreams, folderInfo, primaryCoderIndex, pass));
}
internal static Stream CreateDecoderStream(Stream inStream, long startPos, long[] packSizes, CFolder folderInfo, IPasswordProvider pass)
{
if (!folderInfo.CheckStructure())
throw new NotSupportedException("Unsupported stream binding structure.");
// We have multiple views into the same stream which will be used by several threads - need to sync those.
object sync = new object();
Stream[] inStreams = new Stream[folderInfo.PackStreams.Count];
for (int j = 0; j < folderInfo.PackStreams.Count; j++)
{
inStreams[j] = new SyncStreamView(sync, inStream, startPos, packSizes[j]);
startPos += packSizes[j];
}
Stream[] outStreams = new Stream[folderInfo.UnpackSizes.Count];
int primaryCoderIndex, primaryOutStreamIndex;
FindPrimaryOutStreamIndex(folderInfo, out primaryCoderIndex, out primaryOutStreamIndex);
return CreateDecoderStream(inStreams, packSizes, outStreams, folderInfo, primaryCoderIndex, pass);
}
