diff options
Diffstat (limited to 'other-licenses/7zstub/src/C/Lzma2DecMt.c')
| -rw-r--r-- | other-licenses/7zstub/src/C/Lzma2DecMt.c | 1082 |
1 files changed, 1082 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/C/Lzma2DecMt.c b/other-licenses/7zstub/src/C/Lzma2DecMt.c new file mode 100644 index 0000000000..be698cbeb2 --- /dev/null +++ b/other-licenses/7zstub/src/C/Lzma2DecMt.c @@ -0,0 +1,1082 @@ +/* Lzma2DecMt.c -- LZMA2 Decoder Multi-thread
+2018-03-02 : Igor Pavlov : Public domain */
+
+#include "Precomp.h"
+
+// #define SHOW_DEBUG_INFO
+
+#ifdef SHOW_DEBUG_INFO
+#include <stdio.h>
+#endif
+
+#ifdef SHOW_DEBUG_INFO
+#define PRF(x) x
+#else
+#define PRF(x)
+#endif
+
+#define PRF_STR(s) PRF(printf("\n" s "\n"))
+#define PRF_STR_INT(s, d) PRF(printf("\n" s " %d\n", (unsigned)d))
+#define PRF_STR_INT_2(s, d1, d2) PRF(printf("\n" s " %d %d\n", (unsigned)d1, (unsigned)d2))
+
+// #define _7ZIP_ST
+
+#include "Alloc.h"
+
+#include "Lzma2Dec.h"
+#include "Lzma2DecMt.h"
+
+#ifndef _7ZIP_ST
+#include "MtDec.h"
+#endif
+
+
+#define LZMA2DECMT_OUT_BLOCK_MAX_DEFAULT (1 << 28)
+
+void Lzma2DecMtProps_Init(CLzma2DecMtProps *p)
+{
+ p->inBufSize_ST = 1 << 20;
+ p->outStep_ST = 1 << 20;
+
+ #ifndef _7ZIP_ST
+ p->numThreads = 1;
+ p->inBufSize_MT = 1 << 18;
+ p->outBlockMax = LZMA2DECMT_OUT_BLOCK_MAX_DEFAULT;
+ p->inBlockMax = p->outBlockMax + p->outBlockMax / 16;
+ #endif
+}
+
+
+
+#ifndef _7ZIP_ST
+
+/* ---------- CLzma2DecMtThread ---------- */
+
+typedef struct
+{
+ CLzma2Dec dec;
+ Byte dec_created;
+ Byte needInit;
+
+ Byte *outBuf;
+ size_t outBufSize;
+
+ EMtDecParseState state;
+ ELzma2ParseStatus parseStatus;
+
+ size_t inPreSize;
+ size_t outPreSize;
+
+ size_t inCodeSize;
+ size_t outCodeSize;
+ SRes codeRes;
+
+ CAlignOffsetAlloc alloc;
+
+ Byte mtPad[1 << 7];
+} CLzma2DecMtThread;
+
+#endif
+
+
+/* ---------- CLzma2DecMt ---------- */
+
+typedef struct
+{
+ // ISzAllocPtr alloc;
+ ISzAllocPtr allocMid;
+
+ CAlignOffsetAlloc alignOffsetAlloc;
+ CLzma2DecMtProps props;
+ Byte prop;
+
+ ISeqInStream *inStream;
+ ISeqOutStream *outStream;
+ ICompressProgress *progress;
+
+ Bool finishMode;
+ Bool outSize_Defined;
+ UInt64 outSize;
+
+ UInt64 outProcessed;
+ UInt64 inProcessed;
+ Bool readWasFinished;
+ SRes readRes;
+
+ Byte *inBuf;
+ size_t inBufSize;
+ Byte dec_created;
+ CLzma2Dec dec;
+
+ size_t inPos;
+ size_t inLim;
+
+ #ifndef _7ZIP_ST
+ UInt64 outProcessed_Parse;
+ Bool mtc_WasConstructed;
+ CMtDec mtc;
+ CLzma2DecMtThread coders[MTDEC__THREADS_MAX];
+ #endif
+
+} CLzma2DecMt;
+
+
+
+CLzma2DecMtHandle Lzma2DecMt_Create(ISzAllocPtr alloc, ISzAllocPtr allocMid)
+{
+ CLzma2DecMt *p = (CLzma2DecMt *)ISzAlloc_Alloc(alloc, sizeof(CLzma2DecMt));
+ if (!p)
+ return NULL;
+
+ // p->alloc = alloc;
+ p->allocMid = allocMid;
+
+ AlignOffsetAlloc_CreateVTable(&p->alignOffsetAlloc);
+ p->alignOffsetAlloc.numAlignBits = 7;
+ p->alignOffsetAlloc.offset = 0;
+ p->alignOffsetAlloc.baseAlloc = alloc;
+
+ p->inBuf = NULL;
+ p->inBufSize = 0;
+ p->dec_created = False;
+
+ // Lzma2DecMtProps_Init(&p->props);
+
+ #ifndef _7ZIP_ST
+ p->mtc_WasConstructed = False;
+ {
+ unsigned i;
+ for (i = 0; i < MTDEC__THREADS_MAX; i++)
+ {
+ CLzma2DecMtThread *t = &p->coders[i];
+ t->dec_created = False;
+ t->outBuf = NULL;
+ t->outBufSize = 0;
+ }
+ }
+ #endif
+
+ return p;
+}
+
+
+#ifndef _7ZIP_ST
+
+static void Lzma2DecMt_FreeOutBufs(CLzma2DecMt *p)
+{
+ unsigned i;
+ for (i = 0; i < MTDEC__THREADS_MAX; i++)
+ {
+ CLzma2DecMtThread *t = &p->coders[i];
+ if (t->outBuf)
+ {
+ ISzAlloc_Free(p->allocMid, t->outBuf);
+ t->outBuf = NULL;
+ t->outBufSize = 0;
+ }
+ }
+}
+
+#endif
+
+
+static void Lzma2DecMt_FreeSt(CLzma2DecMt *p)
+{
+ if (p->dec_created)
+ {
+ Lzma2Dec_Free(&p->dec, &p->alignOffsetAlloc.vt);
+ p->dec_created = False;
+ }
+ if (p->inBuf)
+ {
+ ISzAlloc_Free(p->allocMid, p->inBuf);
+ p->inBuf = NULL;
+ }
+ p->inBufSize = 0;
+}
+
+
+void Lzma2DecMt_Destroy(CLzma2DecMtHandle pp)
+{
+ CLzma2DecMt *p = (CLzma2DecMt *)pp;
+
+ Lzma2DecMt_FreeSt(p);
+
+ #ifndef _7ZIP_ST
+
+ if (p->mtc_WasConstructed)
+ {
+ MtDec_Destruct(&p->mtc);
+ p->mtc_WasConstructed = False;
+ }
+ {
+ unsigned i;
+ for (i = 0; i < MTDEC__THREADS_MAX; i++)
+ {
+ CLzma2DecMtThread *t = &p->coders[i];
+ if (t->dec_created)
+ {
+ // we don't need to free dict here
+ Lzma2Dec_FreeProbs(&t->dec, &t->alloc.vt); // p->alloc !!!
+ t->dec_created = False;
+ }
+ }
+ }
+ Lzma2DecMt_FreeOutBufs(p);
+
+ #endif
+
+ ISzAlloc_Free(p->alignOffsetAlloc.baseAlloc, pp);
+}
+
+
+
+#ifndef _7ZIP_ST
+
+static void Lzma2DecMt_MtCallback_Parse(void *obj, unsigned coderIndex, CMtDecCallbackInfo *cc)
+{
+ CLzma2DecMt *me = (CLzma2DecMt *)obj;
+ CLzma2DecMtThread *t = &me->coders[coderIndex];
+
+ PRF_STR_INT_2("Parse", coderIndex, cc->srcSize);
+
+ cc->state = MTDEC_PARSE_CONTINUE;
+
+ if (cc->startCall)
+ {
+ if (!t->dec_created)
+ {
+ Lzma2Dec_Construct(&t->dec);
+ t->dec_created = True;
+ AlignOffsetAlloc_CreateVTable(&t->alloc);
+ {
+ /* (1 << 12) is expected size of one way in data cache.
+ We optimize alignment for cache line size of 128 bytes and smaller */
+ const unsigned kNumAlignBits = 12;
+ const unsigned kNumCacheLineBits = 7; /* <= kNumAlignBits */
+ t->alloc.numAlignBits = kNumAlignBits;
+ t->alloc.offset = ((UInt32)coderIndex * ((1 << 11) + (1 << 8) + (1 << 6))) & ((1 << kNumAlignBits) - (1 << kNumCacheLineBits));
+ t->alloc.baseAlloc = me->alignOffsetAlloc.baseAlloc;
+ }
+ }
+ Lzma2Dec_Init(&t->dec);
+
+ t->inPreSize = 0;
+ t->outPreSize = 0;
+ // t->blockWasFinished = False;
+ // t->finishedWithMark = False;
+ t->parseStatus = LZMA_STATUS_NOT_SPECIFIED;
+ t->state = MTDEC_PARSE_CONTINUE;
+
+ t->inCodeSize = 0;
+ t->outCodeSize = 0;
+ t->codeRes = SZ_OK;
+
+ // (cc->srcSize == 0) is allowed
+ }
+
+ {
+ ELzma2ParseStatus status;
+ Bool overflow;
+ UInt32 unpackRem = 0;
+
+ int checkFinishBlock = True;
+ size_t limit = me->props.outBlockMax;
+ if (me->outSize_Defined)
+ {
+ UInt64 rem = me->outSize - me->outProcessed_Parse;
+ if (limit >= rem)
+ {
+ limit = (size_t)rem;
+ if (!me->finishMode)
+ checkFinishBlock = False;
+ }
+ }
+
+ // checkFinishBlock = False, if we want to decode partial data
+ // that must be finished at position <= outBlockMax.
+
+ {
+ const SizeT srcOrig = cc->srcSize;
+ SizeT srcSize_Point = 0;
+ SizeT dicPos_Point = 0;
+
+ cc->srcSize = 0;
+ overflow = False;
+
+ for (;;)
+ {
+ SizeT srcCur = srcOrig - cc->srcSize;
+
+ status = Lzma2Dec_Parse(&t->dec,
+ limit - t->dec.decoder.dicPos,
+ cc->src + cc->srcSize, &srcCur,
+ checkFinishBlock);
+
+ cc->srcSize += srcCur;
+
+ if (status == LZMA2_PARSE_STATUS_NEW_CHUNK)
+ {
+ if (t->dec.unpackSize > me->props.outBlockMax - t->dec.decoder.dicPos)
+ {
+ overflow = True;
+ break;
+ }
+ continue;
+ }
+
+ if (status == LZMA2_PARSE_STATUS_NEW_BLOCK)
+ {
+ if (t->dec.decoder.dicPos == 0)
+ continue;
+ // we decode small blocks in one thread
+ if (t->dec.decoder.dicPos >= (1 << 14))
+ break;
+ dicPos_Point = t->dec.decoder.dicPos;
+ srcSize_Point = cc->srcSize;
+ continue;
+ }
+
+ if ((int)status == LZMA_STATUS_NOT_FINISHED && checkFinishBlock
+ // && limit == t->dec.decoder.dicPos
+ // && limit == me->props.outBlockMax
+ )
+ {
+ overflow = True;
+ break;
+ }
+
+ unpackRem = Lzma2Dec_GetUnpackExtra(&t->dec);
+ break;
+ }
+
+ if (dicPos_Point != 0
+ && (int)status != LZMA2_PARSE_STATUS_NEW_BLOCK
+ && (int)status != LZMA_STATUS_FINISHED_WITH_MARK
+ && (int)status != LZMA_STATUS_NOT_SPECIFIED)
+ {
+ // we revert to latest newBlock state
+ status = LZMA2_PARSE_STATUS_NEW_BLOCK;
+ unpackRem = 0;
+ t->dec.decoder.dicPos = dicPos_Point;
+ cc->srcSize = srcSize_Point;
+ overflow = False;
+ }
+ }
+
+ t->inPreSize += cc->srcSize;
+ t->parseStatus = status;
+
+ if (overflow)
+ cc->state = MTDEC_PARSE_OVERFLOW;
+ else
+ {
+ size_t dicPos = t->dec.decoder.dicPos;
+
+ if ((int)status != LZMA_STATUS_NEEDS_MORE_INPUT)
+ {
+ if (status == LZMA2_PARSE_STATUS_NEW_BLOCK)
+ {
+ cc->state = MTDEC_PARSE_NEW;
+ cc->srcSize--; // we don't need control byte of next block
+ t->inPreSize--;
+ }
+ else
+ {
+ cc->state = MTDEC_PARSE_END;
+ if ((int)status != LZMA_STATUS_FINISHED_WITH_MARK)
+ {
+ // (status == LZMA_STATUS_NOT_SPECIFIED)
+ // (status == LZMA_STATUS_NOT_FINISHED)
+ if (unpackRem != 0)
+ {
+ /* we also reserve space for max possible number of output bytes of current LZMA chunk */
+ SizeT rem = limit - dicPos;
+ if (rem > unpackRem)
+ rem = unpackRem;
+ dicPos += rem;
+ }
+ }
+ }
+
+ me->outProcessed_Parse += dicPos;
+ }
+
+ cc->outPos = dicPos;
+ t->outPreSize = (size_t)dicPos;
+ }
+
+ t->state = cc->state;
+ return;
+ }
+}
+
+
+static SRes Lzma2DecMt_MtCallback_PreCode(void *pp, unsigned coderIndex)
+{
+ CLzma2DecMt *me = (CLzma2DecMt *)pp;
+ CLzma2DecMtThread *t = &me->coders[coderIndex];
+ Byte *dest = t->outBuf;
+
+ if (t->inPreSize == 0)
+ {
+ t->codeRes = SZ_ERROR_DATA;
+ return t->codeRes;
+ }
+
+ if (!dest || t->outBufSize < t->outPreSize)
+ {
+ if (dest)
+ {
+ ISzAlloc_Free(me->allocMid, dest);
+ t->outBuf = NULL;
+ t->outBufSize = 0;
+ }
+
+ dest = (Byte *)ISzAlloc_Alloc(me->allocMid, t->outPreSize
+ // + (1 << 28)
+ );
+ // Sleep(200);
+ if (!dest)
+ return SZ_ERROR_MEM;
+ t->outBuf = dest;
+ t->outBufSize = t->outPreSize;
+ }
+
+ t->dec.decoder.dic = dest;
+ t->dec.decoder.dicBufSize = t->outPreSize;
+
+ t->needInit = True;
+
+ return Lzma2Dec_AllocateProbs(&t->dec, me->prop, &t->alloc.vt); // alloc.vt
+}
+
+
+static SRes Lzma2DecMt_MtCallback_Code(void *pp, unsigned coderIndex,
+ const Byte *src, size_t srcSize, int srcFinished,
+ // int finished, int blockFinished,
+ UInt64 *inCodePos, UInt64 *outCodePos, int *stop)
+{
+ CLzma2DecMt *me = (CLzma2DecMt *)pp;
+ CLzma2DecMtThread *t = &me->coders[coderIndex];
+
+ UNUSED_VAR(srcFinished)
+
+ PRF_STR_INT_2("Code", coderIndex, srcSize);
+
+ *inCodePos = t->inCodeSize;
+ *outCodePos = 0;
+ *stop = True;
+
+ if (t->needInit)
+ {
+ Lzma2Dec_Init(&t->dec);
+ t->needInit = False;
+ }
+
+ {
+ ELzmaStatus status;
+ size_t srcProcessed = srcSize;
+ Bool blockWasFinished =
+ ((int)t->parseStatus == LZMA_STATUS_FINISHED_WITH_MARK
+ || t->parseStatus == LZMA2_PARSE_STATUS_NEW_BLOCK);
+
+ SRes res = Lzma2Dec_DecodeToDic(&t->dec,
+ t->outPreSize,
+ src, &srcProcessed,
+ blockWasFinished ? LZMA_FINISH_END : LZMA_FINISH_ANY,
+ &status);
+
+ t->codeRes = res;
+
+ t->inCodeSize += srcProcessed;
+ *inCodePos = t->inCodeSize;
+ t->outCodeSize = t->dec.decoder.dicPos;
+ *outCodePos = t->dec.decoder.dicPos;
+
+ if (res != SZ_OK)
+ return res;
+
+ if (srcProcessed == srcSize)
+ *stop = False;
+
+ if (blockWasFinished)
+ {
+ if (srcSize != srcProcessed)
+ return SZ_ERROR_FAIL;
+
+ if (t->inPreSize == t->inCodeSize)
+ {
+ if (t->outPreSize != t->outCodeSize)
+ return SZ_ERROR_FAIL;
+ *stop = True;
+ }
+ }
+ else
+ {
+ if (t->outPreSize == t->outCodeSize)
+ *stop = True;
+ }
+
+ return SZ_OK;
+ }
+}
+
+
+#define LZMA2DECMT_STREAM_WRITE_STEP (1 << 24)
+
+static SRes Lzma2DecMt_MtCallback_Write(void *pp, unsigned coderIndex,
+ Bool needWriteToStream,
+ const Byte *src, size_t srcSize,
+ Bool *needContinue, Bool *canRecode)
+{
+ CLzma2DecMt *me = (CLzma2DecMt *)pp;
+ const CLzma2DecMtThread *t = &me->coders[coderIndex];
+ size_t size = t->outCodeSize;
+ const Byte *data = t->outBuf;
+ Bool needContinue2 = True;
+
+ PRF_STR_INT_2("Write", coderIndex, srcSize);
+
+ *needContinue = False;
+ *canRecode = True;
+ UNUSED_VAR(src)
+ UNUSED_VAR(srcSize)
+
+ if (
+ // t->parseStatus == LZMA_STATUS_FINISHED_WITH_MARK
+ t->state == MTDEC_PARSE_OVERFLOW
+ || t->state == MTDEC_PARSE_END)
+ needContinue2 = False;
+
+
+ if (!needWriteToStream)
+ return SZ_OK;
+
+ me->mtc.inProcessed += t->inCodeSize;
+
+ if (t->codeRes == SZ_OK)
+ if ((int)t->parseStatus == LZMA_STATUS_FINISHED_WITH_MARK
+ || t->parseStatus == LZMA2_PARSE_STATUS_NEW_BLOCK)
+ if (t->outPreSize != t->outCodeSize
+ || t->inPreSize != t->inCodeSize)
+ return SZ_ERROR_FAIL;
+
+ *canRecode = False;
+
+ if (me->outStream)
+ {
+ for (;;)
+ {
+ size_t cur = size;
+ size_t written;
+ if (cur > LZMA2DECMT_STREAM_WRITE_STEP)
+ cur = LZMA2DECMT_STREAM_WRITE_STEP;
+
+ written = ISeqOutStream_Write(me->outStream, data, cur);
+
+ me->outProcessed += written;
+ // me->mtc.writtenTotal += written;
+ if (written != cur)
+ return SZ_ERROR_WRITE;
+ data += cur;
+ size -= cur;
+ if (size == 0)
+ {
+ *needContinue = needContinue2;
+ return SZ_OK;
+ }
+ RINOK(MtProgress_ProgressAdd(&me->mtc.mtProgress, 0, 0));
+ }
+ }
+
+ return SZ_ERROR_FAIL;
+ /*
+ if (size > me->outBufSize)
+ return SZ_ERROR_OUTPUT_EOF;
+ memcpy(me->outBuf, data, size);
+ me->outBufSize -= size;
+ me->outBuf += size;
+ *needContinue = needContinue2;
+ return SZ_OK;
+ */
+}
+
+#endif
+
+
+static SRes Lzma2Dec_Prepare_ST(CLzma2DecMt *p)
+{
+ if (!p->dec_created)
+ {
+ Lzma2Dec_Construct(&p->dec);
+ p->dec_created = True;
+ }
+
+ RINOK(Lzma2Dec_Allocate(&p->dec, p->prop, &p->alignOffsetAlloc.vt));
+
+ if (!p->inBuf || p->inBufSize != p->props.inBufSize_ST)
+ {
+ ISzAlloc_Free(p->allocMid, p->inBuf);
+ p->inBufSize = 0;
+ p->inBuf = (Byte *)ISzAlloc_Alloc(p->allocMid, p->props.inBufSize_ST);
+ if (!p->inBuf)
+ return SZ_ERROR_MEM;
+ p->inBufSize = p->props.inBufSize_ST;
+ }
+
+ Lzma2Dec_Init(&p->dec);
+
+ return SZ_OK;
+}
+
+
+static SRes Lzma2Dec_Decode_ST(CLzma2DecMt *p
+ #ifndef _7ZIP_ST
+ , Bool tMode
+ #endif
+ )
+{
+ SizeT wrPos;
+ size_t inPos, inLim;
+ const Byte *inData;
+ UInt64 inPrev, outPrev;
+
+ CLzma2Dec *dec;
+
+ #ifndef _7ZIP_ST
+ if (tMode)
+ {
+ Lzma2DecMt_FreeOutBufs(p);
+ tMode = MtDec_PrepareRead(&p->mtc);
+ }
+ #endif
+
+ RINOK(Lzma2Dec_Prepare_ST(p));
+
+ dec = &p->dec;
+
+ inPrev = p->inProcessed;
+ outPrev = p->outProcessed;
+
+ inPos = 0;
+ inLim = 0;
+ inData = NULL;
+ wrPos = dec->decoder.dicPos;
+
+ for (;;)
+ {
+ SizeT dicPos;
+ SizeT size;
+ ELzmaFinishMode finishMode;
+ SizeT inProcessed;
+ ELzmaStatus status;
+ SRes res;
+
+ SizeT outProcessed;
+ Bool outFinished;
+ Bool needStop;
+
+ if (inPos == inLim)
+ {
+ #ifndef _7ZIP_ST
+ if (tMode)
+ {
+ inData = MtDec_Read(&p->mtc, &inLim);
+ inPos = 0;
+ if (inData)
+ continue;
+ tMode = False;
+ inLim = 0;
+ }
+ #endif
+
+ if (!p->readWasFinished)
+ {
+ inPos = 0;
+ inLim = p->inBufSize;
+ inData = p->inBuf;
+ p->readRes = ISeqInStream_Read(p->inStream, (void *)inData, &inLim);
+ // p->readProcessed += inLim;
+ // inLim -= 5; p->readWasFinished = True; // for test
+ if (inLim == 0 || p->readRes != SZ_OK)
+ p->readWasFinished = True;
+ }
+ }
+
+ dicPos = dec->decoder.dicPos;
+ {
+ SizeT next = dec->decoder.dicBufSize;
+ if (next - wrPos > p->props.outStep_ST)
+ next = wrPos + p->props.outStep_ST;
+ size = next - dicPos;
+ }
+
+ finishMode = LZMA_FINISH_ANY;
+ if (p->outSize_Defined)
+ {
+ const UInt64 rem = p->outSize - p->outProcessed;
+ if (size >= rem)
+ {
+ size = (SizeT)rem;
+ if (p->finishMode)
+ finishMode = LZMA_FINISH_END;
+ }
+ }
+
+ inProcessed = inLim - inPos;
+
+ res = Lzma2Dec_DecodeToDic(dec, dicPos + size, inData + inPos, &inProcessed, finishMode, &status);
+
+ inPos += inProcessed;
+ p->inProcessed += inProcessed;
+ outProcessed = dec->decoder.dicPos - dicPos;
+ p->outProcessed += outProcessed;
+
+ outFinished = (p->outSize_Defined && p->outSize <= p->outProcessed);
+
+ needStop = (res != SZ_OK
+ || (inProcessed == 0 && outProcessed == 0)
+ || status == LZMA_STATUS_FINISHED_WITH_MARK
+ || (!p->finishMode && outFinished));
+
+ if (needStop || outProcessed >= size)
+ {
+ SRes res2;
+ {
+ size_t writeSize = dec->decoder.dicPos - wrPos;
+ size_t written = ISeqOutStream_Write(p->outStream, dec->decoder.dic + wrPos, writeSize);
+ res2 = (written == writeSize) ? SZ_OK : SZ_ERROR_WRITE;
+ }
+
+ if (dec->decoder.dicPos == dec->decoder.dicBufSize)
+ dec->decoder.dicPos = 0;
+ wrPos = dec->decoder.dicPos;
+
+ RINOK(res2);
+
+ if (needStop)
+ {
+ if (res != SZ_OK)
+ return res;
+
+ if (status == LZMA_STATUS_FINISHED_WITH_MARK)
+ {
+ if (p->finishMode)
+ {
+ if (p->outSize_Defined && p->outSize != p->outProcessed)
+ return SZ_ERROR_DATA;
+ }
+ return SZ_OK;
+ }
+
+ if (!p->finishMode && outFinished)
+ return SZ_OK;
+
+ if (status == LZMA_STATUS_NEEDS_MORE_INPUT)
+ return SZ_ERROR_INPUT_EOF;
+
+ return SZ_ERROR_DATA;
+ }
+ }
+
+ if (p->progress)
+ {
+ UInt64 inDelta = p->inProcessed - inPrev;
+ UInt64 outDelta = p->outProcessed - outPrev;
+ if (inDelta >= (1 << 22) || outDelta >= (1 << 22))
+ {
+ RINOK(ICompressProgress_Progress(p->progress, p->inProcessed, p->outProcessed));
+ inPrev = p->inProcessed;
+ outPrev = p->outProcessed;
+ }
+ }
+ }
+}
+
+
+
+SRes Lzma2DecMt_Decode(CLzma2DecMtHandle pp,
+ Byte prop,
+ const CLzma2DecMtProps *props,
+ ISeqOutStream *outStream, const UInt64 *outDataSize, int finishMode,
+ // Byte *outBuf, size_t *outBufSize,
+ ISeqInStream *inStream,
+ // const Byte *inData, size_t inDataSize,
+ UInt64 *inProcessed,
+ // UInt64 *outProcessed,
+ int *isMT,
+ ICompressProgress *progress)
+{
+ CLzma2DecMt *p = (CLzma2DecMt *)pp;
+ #ifndef _7ZIP_ST
+ Bool tMode;
+ #endif
+
+ *inProcessed = 0;
+
+ if (prop > 40)
+ return SZ_ERROR_UNSUPPORTED;
+
+ p->prop = prop;
+ p->props = *props;
+
+ p->inStream = inStream;
+ p->outStream = outStream;
+ p->progress = progress;
+
+ p->outSize = 0;
+ p->outSize_Defined = False;
+ if (outDataSize)
+ {
+ p->outSize_Defined = True;
+ p->outSize = *outDataSize;
+ }
+ p->finishMode = finishMode;
+
+ p->outProcessed = 0;
+ p->inProcessed = 0;
+
+ p->readWasFinished = False;
+
+ *isMT = False;
+
+
+ #ifndef _7ZIP_ST
+
+ tMode = False;
+
+ // p->mtc.parseRes = SZ_OK;
+
+ // p->mtc.numFilledThreads = 0;
+ // p->mtc.crossStart = 0;
+ // p->mtc.crossEnd = 0;
+ // p->mtc.allocError_for_Read_BlockIndex = 0;
+ // p->mtc.isAllocError = False;
+
+ if (p->props.numThreads > 1)
+ {
+ IMtDecCallback vt;
+
+ Lzma2DecMt_FreeSt(p);
+
+ p->outProcessed_Parse = 0;
+
+ if (!p->mtc_WasConstructed)
+ {
+ p->mtc_WasConstructed = True;
+ MtDec_Construct(&p->mtc);
+ }
+
+ p->mtc.progress = progress;
+ p->mtc.inStream = inStream;
+
+ // p->outBuf = NULL;
+ // p->outBufSize = 0;
+ /*
+ if (!outStream)
+ {
+ // p->outBuf = outBuf;
+ // p->outBufSize = *outBufSize;
+ // *outBufSize = 0;
+ return SZ_ERROR_PARAM;
+ }
+ */
+
+ // p->mtc.inBlockMax = p->props.inBlockMax;
+ p->mtc.alloc = &p->alignOffsetAlloc.vt;
+ // p->alignOffsetAlloc.baseAlloc;
+ // p->mtc.inData = inData;
+ // p->mtc.inDataSize = inDataSize;
+ p->mtc.mtCallback = &vt;
+ p->mtc.mtCallbackObject = p;
+
+ p->mtc.inBufSize = p->props.inBufSize_MT;
+
+ p->mtc.numThreadsMax = p->props.numThreads;
+
+ *isMT = True;
+
+ vt.Parse = Lzma2DecMt_MtCallback_Parse;
+ vt.PreCode = Lzma2DecMt_MtCallback_PreCode;
+ vt.Code = Lzma2DecMt_MtCallback_Code;
+ vt.Write = Lzma2DecMt_MtCallback_Write;
+
+ {
+ Bool needContinue = False;
+
+ SRes res = MtDec_Code(&p->mtc);
+
+ /*
+ if (!outStream)
+ *outBufSize = p->outBuf - outBuf;
+ */
+
+ *inProcessed = p->mtc.inProcessed;
+
+ needContinue = False;
+
+ if (res == SZ_OK)
+ {
+ if (p->mtc.mtProgress.res != SZ_OK)
+ res = p->mtc.mtProgress.res;
+ else
+ needContinue = p->mtc.needContinue;
+ }
+
+ if (!needContinue)
+ {
+ if (res == SZ_OK)
+ return p->mtc.readRes;
+ return res;
+ }
+
+ tMode = True;
+ p->readRes = p->mtc.readRes;
+ p->readWasFinished = p->mtc.readWasFinished;
+ p->inProcessed = p->mtc.inProcessed;
+
+ PRF_STR("----- decoding ST -----");
+ }
+ }
+
+ #endif
+
+
+ *isMT = False;
+
+ {
+ SRes res = Lzma2Dec_Decode_ST(p
+ #ifndef _7ZIP_ST
+ , tMode
+ #endif
+ );
+
+ *inProcessed = p->inProcessed;
+
+ // res = SZ_OK; // for test
+ if (res == SZ_OK && p->readRes != SZ_OK)
+ res = p->readRes;
+
+ /*
+ #ifndef _7ZIP_ST
+ if (res == SZ_OK && tMode && p->mtc.parseRes != SZ_OK)
+ res = p->mtc.parseRes;
+ #endif
+ */
+
+ return res;
+ }
+}
+
+
+/* ---------- Read from CLzma2DecMtHandle Interface ---------- */
+
+SRes Lzma2DecMt_Init(CLzma2DecMtHandle pp,
+ Byte prop,
+ const CLzma2DecMtProps *props,
+ const UInt64 *outDataSize, int finishMode,
+ ISeqInStream *inStream)
+{
+ CLzma2DecMt *p = (CLzma2DecMt *)pp;
+
+ if (prop > 40)
+ return SZ_ERROR_UNSUPPORTED;
+
+ p->prop = prop;
+ p->props = *props;
+
+ p->inStream = inStream;
+
+ p->outSize = 0;
+ p->outSize_Defined = False;
+ if (outDataSize)
+ {
+ p->outSize_Defined = True;
+ p->outSize = *outDataSize;
+ }
+ p->finishMode = finishMode;
+
+ p->outProcessed = 0;
+ p->inProcessed = 0;
+
+ p->inPos = 0;
+ p->inLim = 0;
+
+ return Lzma2Dec_Prepare_ST(p);
+}
+
+
+SRes Lzma2DecMt_Read(CLzma2DecMtHandle pp,
+ Byte *data, size_t *outSize,
+ UInt64 *inStreamProcessed)
+{
+ CLzma2DecMt *p = (CLzma2DecMt *)pp;
+ ELzmaFinishMode finishMode;
+ SRes readRes;
+ size_t size = *outSize;
+
+ *outSize = 0;
+ *inStreamProcessed = 0;
+
+ finishMode = LZMA_FINISH_ANY;
+ if (p->outSize_Defined)
+ {
+ const UInt64 rem = p->outSize - p->outProcessed;
+ if (size >= rem)
+ {
+ size = (size_t)rem;
+ if (p->finishMode)
+ finishMode = LZMA_FINISH_END;
+ }
+ }
+
+ readRes = SZ_OK;
+
+ for (;;)
+ {
+ SizeT inCur;
+ SizeT outCur;
+ ELzmaStatus status;
+ SRes res;
+
+ if (p->inPos == p->inLim && readRes == SZ_OK)
+ {
+ p->inPos = 0;
+ p->inLim = p->props.inBufSize_ST;
+ readRes = ISeqInStream_Read(p->inStream, p->inBuf, &p->inLim);
+ }
+
+ inCur = p->inLim - p->inPos;
+ outCur = size;
+
+ res = Lzma2Dec_DecodeToBuf(&p->dec, data, &outCur,
+ p->inBuf + p->inPos, &inCur, finishMode, &status);
+
+ p->inPos += inCur;
+ p->inProcessed += inCur;
+ *inStreamProcessed += inCur;
+ p->outProcessed += outCur;
+ *outSize += outCur;
+ size -= outCur;
+ data += outCur;
+
+ if (res != 0)
+ return res;
+
+ /*
+ if (status == LZMA_STATUS_FINISHED_WITH_MARK)
+ return readRes;
+
+ if (size == 0 && status != LZMA_STATUS_NEEDS_MORE_INPUT)
+ {
+ if (p->finishMode && p->outSize_Defined && p->outProcessed >= p->outSize)
+ return SZ_ERROR_DATA;
+ return readRes;
+ }
+ */
+
+ if (inCur == 0 && outCur == 0)
+ return readRes;
+ }
+}
|