15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// MultiStream.h 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef __MULTI_STREAM_H 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define __MULTI_STREAM_H 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "../../../Common/MyCom.h" 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "../../../Common/MyVector.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "../../IStream.h" 102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class CMultiStream: 122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) public IInStream, 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public CMyUnknownImp 142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles){ 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 _pos; 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 _totalLength; 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int _streamIndex; 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)public: 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) struct CSubStreamInfo 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CMyComPtr<IInStream> Stream; 2290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) UInt64 Size; 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 GlobalOffset; 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 LocalPos; 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) }; 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CObjectVector<CSubStreamInfo> Streams; 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HRESULT Init() 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 total = 0; 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int i = 0; i < Streams.Size(); i++) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSubStreamInfo &s = Streams[i]; 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) s.GlobalOffset = total; 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) total += Streams[i].Size; 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(s.Stream->Seek(0, STREAM_SEEK_CUR, &s.LocalPos)); 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) _totalLength = total; 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) _pos = 0; 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) _streamIndex = 0; 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return S_OK; 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MY_UNKNOWN_IMP1(IInStream) 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize); 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition); 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/* 512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class COutMultiStream: 522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) public IOutStream, 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public CMyUnknownImp 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int _streamIndex; // required stream 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 _offsetPos; // offset from start of _streamIndex index 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 _absPos; 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 _length; 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) struct CSubStreamInfo 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CMyComPtr<ISequentialOutStream> Stream; 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 Size; 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 Pos; 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) }; 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CObjectVector<CSubStreamInfo> Streams; 6723730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles)public: 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CMyComPtr<IArchiveUpdateCallback2> VolumeCallback; 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void Init() 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) _streamIndex = 0; 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) _offsetPos = 0; 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) _absPos = 0; 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) _length = 0; 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MY_UNKNOWN_IMP1(IOutStream) 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 795f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize); 805f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition); 815f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)}; 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)*/ 832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#endif 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)