mirror of
https://github.com/ZDoom/gzdoom.git
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1362 lines
32 KiB
C
1362 lines
32 KiB
C
/* XzEnc.c -- Xz Encode
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2023-04-13 : Igor Pavlov : Public domain */
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#include "Precomp.h"
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#include <stdlib.h>
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#include <string.h>
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#include "7zCrc.h"
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#include "Bra.h"
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#include "CpuArch.h"
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#ifdef USE_SUBBLOCK
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#include "Bcj3Enc.c"
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#include "SbFind.c"
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#include "SbEnc.c"
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#endif
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#include "XzEnc.h"
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// #define Z7_ST
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#ifndef Z7_ST
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#include "MtCoder.h"
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#else
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#define MTCODER_THREADS_MAX 1
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#define MTCODER_BLOCKS_MAX 1
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#endif
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#define XZ_GET_PAD_SIZE(dataSize) ((4 - ((unsigned)(dataSize) & 3)) & 3)
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/* max pack size for LZMA2 block + check-64bytrs: */
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#define XZ_GET_MAX_BLOCK_PACK_SIZE(unpackSize) ((unpackSize) + ((unpackSize) >> 10) + 16 + 64)
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#define XZ_GET_ESTIMATED_BLOCK_TOTAL_PACK_SIZE(unpackSize) (XZ_BLOCK_HEADER_SIZE_MAX + XZ_GET_MAX_BLOCK_PACK_SIZE(unpackSize))
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// #define XzBlock_ClearFlags(p) (p)->flags = 0;
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#define XzBlock_ClearFlags_SetNumFilters(p, n) (p)->flags = (Byte)((n) - 1);
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#define XzBlock_SetHasPackSize(p) (p)->flags |= XZ_BF_PACK_SIZE;
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#define XzBlock_SetHasUnpackSize(p) (p)->flags |= XZ_BF_UNPACK_SIZE;
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static SRes WriteBytes(ISeqOutStreamPtr s, const void *buf, size_t size)
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{
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return (ISeqOutStream_Write(s, buf, size) == size) ? SZ_OK : SZ_ERROR_WRITE;
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}
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static SRes WriteBytes_UpdateCrc(ISeqOutStreamPtr s, const void *buf, size_t size, UInt32 *crc)
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{
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*crc = CrcUpdate(*crc, buf, size);
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return WriteBytes(s, buf, size);
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}
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static SRes Xz_WriteHeader(CXzStreamFlags f, ISeqOutStreamPtr s)
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{
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UInt32 crc;
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Byte header[XZ_STREAM_HEADER_SIZE];
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memcpy(header, XZ_SIG, XZ_SIG_SIZE);
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header[XZ_SIG_SIZE] = (Byte)(f >> 8);
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header[XZ_SIG_SIZE + 1] = (Byte)(f & 0xFF);
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crc = CrcCalc(header + XZ_SIG_SIZE, XZ_STREAM_FLAGS_SIZE);
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SetUi32(header + XZ_SIG_SIZE + XZ_STREAM_FLAGS_SIZE, crc)
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return WriteBytes(s, header, XZ_STREAM_HEADER_SIZE);
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}
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static SRes XzBlock_WriteHeader(const CXzBlock *p, ISeqOutStreamPtr s)
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{
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Byte header[XZ_BLOCK_HEADER_SIZE_MAX];
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unsigned pos = 1;
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unsigned numFilters, i;
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header[pos++] = p->flags;
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if (XzBlock_HasPackSize(p)) pos += Xz_WriteVarInt(header + pos, p->packSize);
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if (XzBlock_HasUnpackSize(p)) pos += Xz_WriteVarInt(header + pos, p->unpackSize);
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numFilters = XzBlock_GetNumFilters(p);
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for (i = 0; i < numFilters; i++)
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{
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const CXzFilter *f = &p->filters[i];
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pos += Xz_WriteVarInt(header + pos, f->id);
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pos += Xz_WriteVarInt(header + pos, f->propsSize);
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memcpy(header + pos, f->props, f->propsSize);
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pos += f->propsSize;
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}
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while ((pos & 3) != 0)
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header[pos++] = 0;
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header[0] = (Byte)(pos >> 2);
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SetUi32(header + pos, CrcCalc(header, pos))
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return WriteBytes(s, header, pos + 4);
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}
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typedef struct
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{
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size_t numBlocks;
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size_t size;
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size_t allocated;
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Byte *blocks;
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} CXzEncIndex;
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static void XzEncIndex_Construct(CXzEncIndex *p)
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{
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p->numBlocks = 0;
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p->size = 0;
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p->allocated = 0;
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p->blocks = NULL;
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}
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static void XzEncIndex_Init(CXzEncIndex *p)
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{
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p->numBlocks = 0;
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p->size = 0;
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}
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static void XzEncIndex_Free(CXzEncIndex *p, ISzAllocPtr alloc)
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{
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if (p->blocks)
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{
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ISzAlloc_Free(alloc, p->blocks);
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p->blocks = NULL;
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}
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p->numBlocks = 0;
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p->size = 0;
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p->allocated = 0;
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}
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static SRes XzEncIndex_ReAlloc(CXzEncIndex *p, size_t newSize, ISzAllocPtr alloc)
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{
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Byte *blocks = (Byte *)ISzAlloc_Alloc(alloc, newSize);
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if (!blocks)
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return SZ_ERROR_MEM;
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if (p->size != 0)
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memcpy(blocks, p->blocks, p->size);
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if (p->blocks)
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ISzAlloc_Free(alloc, p->blocks);
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p->blocks = blocks;
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p->allocated = newSize;
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return SZ_OK;
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}
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static SRes XzEncIndex_PreAlloc(CXzEncIndex *p, UInt64 numBlocks, UInt64 unpackSize, UInt64 totalSize, ISzAllocPtr alloc)
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{
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UInt64 pos;
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{
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Byte buf[32];
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unsigned pos2 = Xz_WriteVarInt(buf, totalSize);
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pos2 += Xz_WriteVarInt(buf + pos2, unpackSize);
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pos = numBlocks * pos2;
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}
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if (pos <= p->allocated - p->size)
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return SZ_OK;
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{
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UInt64 newSize64 = p->size + pos;
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size_t newSize = (size_t)newSize64;
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if (newSize != newSize64)
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return SZ_ERROR_MEM;
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return XzEncIndex_ReAlloc(p, newSize, alloc);
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}
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}
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static SRes XzEncIndex_AddIndexRecord(CXzEncIndex *p, UInt64 unpackSize, UInt64 totalSize, ISzAllocPtr alloc)
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{
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Byte buf[32];
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unsigned pos = Xz_WriteVarInt(buf, totalSize);
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pos += Xz_WriteVarInt(buf + pos, unpackSize);
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if (pos > p->allocated - p->size)
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{
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size_t newSize = p->allocated * 2 + 16 * 2;
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if (newSize < p->size + pos)
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return SZ_ERROR_MEM;
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RINOK(XzEncIndex_ReAlloc(p, newSize, alloc))
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}
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memcpy(p->blocks + p->size, buf, pos);
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p->size += pos;
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p->numBlocks++;
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return SZ_OK;
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}
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static SRes XzEncIndex_WriteFooter(const CXzEncIndex *p, CXzStreamFlags flags, ISeqOutStreamPtr s)
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{
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Byte buf[32];
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UInt64 globalPos;
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UInt32 crc = CRC_INIT_VAL;
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unsigned pos = 1 + Xz_WriteVarInt(buf + 1, p->numBlocks);
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globalPos = pos;
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buf[0] = 0;
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RINOK(WriteBytes_UpdateCrc(s, buf, pos, &crc))
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RINOK(WriteBytes_UpdateCrc(s, p->blocks, p->size, &crc))
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globalPos += p->size;
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pos = XZ_GET_PAD_SIZE(globalPos);
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buf[1] = 0;
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buf[2] = 0;
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buf[3] = 0;
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globalPos += pos;
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crc = CrcUpdate(crc, buf + 4 - pos, pos);
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SetUi32(buf + 4, CRC_GET_DIGEST(crc))
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SetUi32(buf + 8 + 4, (UInt32)(globalPos >> 2))
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buf[8 + 8] = (Byte)(flags >> 8);
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buf[8 + 9] = (Byte)(flags & 0xFF);
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SetUi32(buf + 8, CrcCalc(buf + 8 + 4, 6))
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buf[8 + 10] = XZ_FOOTER_SIG_0;
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buf[8 + 11] = XZ_FOOTER_SIG_1;
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return WriteBytes(s, buf + 4 - pos, pos + 4 + 12);
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}
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/* ---------- CSeqCheckInStream ---------- */
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typedef struct
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{
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ISeqInStream vt;
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ISeqInStreamPtr realStream;
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const Byte *data;
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UInt64 limit;
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UInt64 processed;
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int realStreamFinished;
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CXzCheck check;
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} CSeqCheckInStream;
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static void SeqCheckInStream_Init(CSeqCheckInStream *p, unsigned checkMode)
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{
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p->limit = (UInt64)(Int64)-1;
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p->processed = 0;
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p->realStreamFinished = 0;
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XzCheck_Init(&p->check, checkMode);
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}
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static void SeqCheckInStream_GetDigest(CSeqCheckInStream *p, Byte *digest)
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{
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XzCheck_Final(&p->check, digest);
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}
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static SRes SeqCheckInStream_Read(ISeqInStreamPtr pp, void *data, size_t *size)
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{
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Z7_CONTAINER_FROM_VTBL_TO_DECL_VAR_pp_vt_p(CSeqCheckInStream)
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size_t size2 = *size;
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SRes res = SZ_OK;
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if (p->limit != (UInt64)(Int64)-1)
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{
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UInt64 rem = p->limit - p->processed;
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if (size2 > rem)
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size2 = (size_t)rem;
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}
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if (size2 != 0)
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{
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if (p->realStream)
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{
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res = ISeqInStream_Read(p->realStream, data, &size2);
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p->realStreamFinished = (size2 == 0) ? 1 : 0;
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}
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else
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memcpy(data, p->data + (size_t)p->processed, size2);
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XzCheck_Update(&p->check, data, size2);
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p->processed += size2;
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}
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*size = size2;
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return res;
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}
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/* ---------- CSeqSizeOutStream ---------- */
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typedef struct
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{
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ISeqOutStream vt;
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ISeqOutStreamPtr realStream;
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Byte *outBuf;
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size_t outBufLimit;
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UInt64 processed;
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} CSeqSizeOutStream;
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static size_t SeqSizeOutStream_Write(ISeqOutStreamPtr pp, const void *data, size_t size)
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{
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Z7_CONTAINER_FROM_VTBL_TO_DECL_VAR_pp_vt_p(CSeqSizeOutStream)
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if (p->realStream)
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size = ISeqOutStream_Write(p->realStream, data, size);
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else
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{
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if (size > p->outBufLimit - (size_t)p->processed)
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return 0;
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memcpy(p->outBuf + (size_t)p->processed, data, size);
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}
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p->processed += size;
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return size;
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}
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/* ---------- CSeqInFilter ---------- */
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#define FILTER_BUF_SIZE (1 << 20)
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typedef struct
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{
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ISeqInStream vt;
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ISeqInStreamPtr realStream;
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IStateCoder StateCoder;
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Byte *buf;
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size_t curPos;
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size_t endPos;
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int srcWasFinished;
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} CSeqInFilter;
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static const z7_Func_BranchConv g_Funcs_BranchConv_RISC_Enc[] =
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{
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Z7_BRANCH_CONV_ENC(PPC),
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Z7_BRANCH_CONV_ENC(IA64),
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Z7_BRANCH_CONV_ENC(ARM),
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Z7_BRANCH_CONV_ENC(ARMT),
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Z7_BRANCH_CONV_ENC(SPARC),
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Z7_BRANCH_CONV_ENC(ARM64)
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};
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static SizeT XzBcFilterStateBase_Filter_Enc(CXzBcFilterStateBase *p, Byte *data, SizeT size)
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{
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switch (p->methodId)
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{
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case XZ_ID_Delta:
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Delta_Encode(p->delta_State, p->delta, data, size);
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break;
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case XZ_ID_X86:
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size = (SizeT)(z7_BranchConvSt_X86_Enc(data, size, p->ip, &p->X86_State) - data);
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break;
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default:
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if (p->methodId >= XZ_ID_PPC)
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{
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const UInt32 i = p->methodId - XZ_ID_PPC;
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if (i < Z7_ARRAY_SIZE(g_Funcs_BranchConv_RISC_Enc))
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size = (SizeT)(g_Funcs_BranchConv_RISC_Enc[i](data, size, p->ip) - data);
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}
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break;
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}
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p->ip += (UInt32)size;
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return size;
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}
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static SRes SeqInFilter_Init(CSeqInFilter *p, const CXzFilter *props, ISzAllocPtr alloc)
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{
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if (!p->buf)
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{
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p->buf = (Byte *)ISzAlloc_Alloc(alloc, FILTER_BUF_SIZE);
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if (!p->buf)
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return SZ_ERROR_MEM;
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}
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p->curPos = p->endPos = 0;
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p->srcWasFinished = 0;
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RINOK(Xz_StateCoder_Bc_SetFromMethod_Func(&p->StateCoder, props->id, XzBcFilterStateBase_Filter_Enc, alloc))
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RINOK(p->StateCoder.SetProps(p->StateCoder.p, props->props, props->propsSize, alloc))
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p->StateCoder.Init(p->StateCoder.p);
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return SZ_OK;
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}
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static SRes SeqInFilter_Read(ISeqInStreamPtr pp, void *data, size_t *size)
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{
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Z7_CONTAINER_FROM_VTBL_TO_DECL_VAR_pp_vt_p(CSeqInFilter)
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const size_t sizeOriginal = *size;
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if (sizeOriginal == 0)
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return SZ_OK;
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*size = 0;
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for (;;)
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{
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if (!p->srcWasFinished && p->curPos == p->endPos)
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{
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p->curPos = 0;
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p->endPos = FILTER_BUF_SIZE;
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RINOK(ISeqInStream_Read(p->realStream, p->buf, &p->endPos))
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if (p->endPos == 0)
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p->srcWasFinished = 1;
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}
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{
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SizeT srcLen = p->endPos - p->curPos;
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ECoderStatus status;
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SRes res;
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*size = sizeOriginal;
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res = p->StateCoder.Code2(p->StateCoder.p,
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(Byte *)data, size,
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p->buf + p->curPos, &srcLen,
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p->srcWasFinished, CODER_FINISH_ANY,
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&status);
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p->curPos += srcLen;
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if (*size != 0 || srcLen == 0 || res != SZ_OK)
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return res;
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}
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}
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}
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static void SeqInFilter_Construct(CSeqInFilter *p)
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{
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p->buf = NULL;
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p->StateCoder.p = NULL;
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p->vt.Read = SeqInFilter_Read;
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}
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static void SeqInFilter_Free(CSeqInFilter *p, ISzAllocPtr alloc)
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{
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if (p->StateCoder.p)
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{
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p->StateCoder.Free(p->StateCoder.p, alloc);
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p->StateCoder.p = NULL;
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}
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if (p->buf)
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{
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ISzAlloc_Free(alloc, p->buf);
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p->buf = NULL;
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}
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}
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/* ---------- CSbEncInStream ---------- */
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#ifdef USE_SUBBLOCK
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typedef struct
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{
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ISeqInStream vt;
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ISeqInStreamPtr inStream;
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CSbEnc enc;
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} CSbEncInStream;
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static SRes SbEncInStream_Read(ISeqInStreamPtr pp, void *data, size_t *size)
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{
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CSbEncInStream *p = Z7_CONTAINER_FROM_VTBL(pp, CSbEncInStream, vt);
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size_t sizeOriginal = *size;
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if (sizeOriginal == 0)
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return SZ_OK;
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for (;;)
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{
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if (p->enc.needRead && !p->enc.readWasFinished)
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{
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size_t processed = p->enc.needReadSizeMax;
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RINOK(p->inStream->Read(p->inStream, p->enc.buf + p->enc.readPos, &processed))
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p->enc.readPos += processed;
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if (processed == 0)
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{
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p->enc.readWasFinished = True;
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p->enc.isFinalFinished = True;
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}
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p->enc.needRead = False;
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}
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*size = sizeOriginal;
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RINOK(SbEnc_Read(&p->enc, data, size))
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if (*size != 0 || !p->enc.needRead)
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return SZ_OK;
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}
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}
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void SbEncInStream_Construct(CSbEncInStream *p, ISzAllocPtr alloc)
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{
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SbEnc_Construct(&p->enc, alloc);
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p->vt.Read = SbEncInStream_Read;
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}
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SRes SbEncInStream_Init(CSbEncInStream *p)
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{
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return SbEnc_Init(&p->enc);
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}
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void SbEncInStream_Free(CSbEncInStream *p)
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{
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SbEnc_Free(&p->enc);
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}
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#endif
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/* ---------- CXzProps ---------- */
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void XzFilterProps_Init(CXzFilterProps *p)
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{
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p->id = 0;
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p->delta = 0;
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p->ip = 0;
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p->ipDefined = False;
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}
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void XzProps_Init(CXzProps *p)
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{
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p->checkId = XZ_CHECK_CRC32;
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p->blockSize = XZ_PROPS_BLOCK_SIZE_AUTO;
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p->numBlockThreads_Reduced = -1;
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p->numBlockThreads_Max = -1;
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p->numTotalThreads = -1;
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p->reduceSize = (UInt64)(Int64)-1;
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p->forceWriteSizesInHeader = 0;
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// p->forceWriteSizesInHeader = 1;
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XzFilterProps_Init(&p->filterProps);
|
|
Lzma2EncProps_Init(&p->lzma2Props);
|
|
}
|
|
|
|
|
|
static void XzEncProps_Normalize_Fixed(CXzProps *p)
|
|
{
|
|
UInt64 fileSize;
|
|
int t1, t1n, t2, t2r, t3;
|
|
{
|
|
CLzma2EncProps tp = p->lzma2Props;
|
|
if (tp.numTotalThreads <= 0)
|
|
tp.numTotalThreads = p->numTotalThreads;
|
|
Lzma2EncProps_Normalize(&tp);
|
|
t1n = tp.numTotalThreads;
|
|
}
|
|
|
|
t1 = p->lzma2Props.numTotalThreads;
|
|
t2 = p->numBlockThreads_Max;
|
|
t3 = p->numTotalThreads;
|
|
|
|
if (t2 > MTCODER_THREADS_MAX)
|
|
t2 = MTCODER_THREADS_MAX;
|
|
|
|
if (t3 <= 0)
|
|
{
|
|
if (t2 <= 0)
|
|
t2 = 1;
|
|
t3 = t1n * t2;
|
|
}
|
|
else if (t2 <= 0)
|
|
{
|
|
t2 = t3 / t1n;
|
|
if (t2 == 0)
|
|
{
|
|
t1 = 1;
|
|
t2 = t3;
|
|
}
|
|
if (t2 > MTCODER_THREADS_MAX)
|
|
t2 = MTCODER_THREADS_MAX;
|
|
}
|
|
else if (t1 <= 0)
|
|
{
|
|
t1 = t3 / t2;
|
|
if (t1 == 0)
|
|
t1 = 1;
|
|
}
|
|
else
|
|
t3 = t1n * t2;
|
|
|
|
p->lzma2Props.numTotalThreads = t1;
|
|
|
|
t2r = t2;
|
|
|
|
fileSize = p->reduceSize;
|
|
|
|
if ((p->blockSize < fileSize || fileSize == (UInt64)(Int64)-1))
|
|
p->lzma2Props.lzmaProps.reduceSize = p->blockSize;
|
|
|
|
Lzma2EncProps_Normalize(&p->lzma2Props);
|
|
|
|
t1 = p->lzma2Props.numTotalThreads;
|
|
|
|
{
|
|
if (t2 > 1 && fileSize != (UInt64)(Int64)-1)
|
|
{
|
|
UInt64 numBlocks = fileSize / p->blockSize;
|
|
if (numBlocks * p->blockSize != fileSize)
|
|
numBlocks++;
|
|
if (numBlocks < (unsigned)t2)
|
|
{
|
|
t2r = (int)numBlocks;
|
|
if (t2r == 0)
|
|
t2r = 1;
|
|
t3 = t1 * t2r;
|
|
}
|
|
}
|
|
}
|
|
|
|
p->numBlockThreads_Max = t2;
|
|
p->numBlockThreads_Reduced = t2r;
|
|
p->numTotalThreads = t3;
|
|
}
|
|
|
|
|
|
static void XzProps_Normalize(CXzProps *p)
|
|
{
|
|
/* we normalize xzProps properties, but we normalize only some of CXzProps::lzma2Props properties.
|
|
Lzma2Enc_SetProps() will normalize lzma2Props later. */
|
|
|
|
if (p->blockSize == XZ_PROPS_BLOCK_SIZE_SOLID)
|
|
{
|
|
p->lzma2Props.lzmaProps.reduceSize = p->reduceSize;
|
|
p->numBlockThreads_Reduced = 1;
|
|
p->numBlockThreads_Max = 1;
|
|
if (p->lzma2Props.numTotalThreads <= 0)
|
|
p->lzma2Props.numTotalThreads = p->numTotalThreads;
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
CLzma2EncProps *lzma2 = &p->lzma2Props;
|
|
if (p->blockSize == LZMA2_ENC_PROPS_BLOCK_SIZE_AUTO)
|
|
{
|
|
// xz-auto
|
|
p->lzma2Props.lzmaProps.reduceSize = p->reduceSize;
|
|
|
|
if (lzma2->blockSize == LZMA2_ENC_PROPS_BLOCK_SIZE_SOLID)
|
|
{
|
|
// if (xz-auto && lzma2-solid) - we use solid for both
|
|
p->blockSize = XZ_PROPS_BLOCK_SIZE_SOLID;
|
|
p->numBlockThreads_Reduced = 1;
|
|
p->numBlockThreads_Max = 1;
|
|
if (p->lzma2Props.numTotalThreads <= 0)
|
|
p->lzma2Props.numTotalThreads = p->numTotalThreads;
|
|
}
|
|
else
|
|
{
|
|
// if (xz-auto && (lzma2-auto || lzma2-fixed_)
|
|
// we calculate block size for lzma2 and use that block size for xz, lzma2 uses single-chunk per block
|
|
CLzma2EncProps tp = p->lzma2Props;
|
|
if (tp.numTotalThreads <= 0)
|
|
tp.numTotalThreads = p->numTotalThreads;
|
|
|
|
Lzma2EncProps_Normalize(&tp);
|
|
|
|
p->blockSize = tp.blockSize; // fixed or solid
|
|
p->numBlockThreads_Reduced = tp.numBlockThreads_Reduced;
|
|
p->numBlockThreads_Max = tp.numBlockThreads_Max;
|
|
if (lzma2->blockSize == LZMA2_ENC_PROPS_BLOCK_SIZE_AUTO)
|
|
lzma2->blockSize = tp.blockSize; // fixed or solid, LZMA2_ENC_PROPS_BLOCK_SIZE_SOLID
|
|
if (lzma2->lzmaProps.reduceSize > tp.blockSize && tp.blockSize != LZMA2_ENC_PROPS_BLOCK_SIZE_SOLID)
|
|
lzma2->lzmaProps.reduceSize = tp.blockSize;
|
|
lzma2->numBlockThreads_Reduced = 1;
|
|
lzma2->numBlockThreads_Max = 1;
|
|
return;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// xz-fixed
|
|
// we can use xz::reduceSize or xz::blockSize as base for lzmaProps::reduceSize
|
|
|
|
p->lzma2Props.lzmaProps.reduceSize = p->reduceSize;
|
|
{
|
|
UInt64 r = p->reduceSize;
|
|
if (r > p->blockSize || r == (UInt64)(Int64)-1)
|
|
r = p->blockSize;
|
|
lzma2->lzmaProps.reduceSize = r;
|
|
}
|
|
if (lzma2->blockSize == LZMA2_ENC_PROPS_BLOCK_SIZE_AUTO)
|
|
lzma2->blockSize = LZMA2_ENC_PROPS_BLOCK_SIZE_SOLID;
|
|
else if (lzma2->blockSize > p->blockSize && lzma2->blockSize != LZMA2_ENC_PROPS_BLOCK_SIZE_SOLID)
|
|
lzma2->blockSize = p->blockSize;
|
|
|
|
XzEncProps_Normalize_Fixed(p);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/* ---------- CLzma2WithFilters ---------- */
|
|
|
|
typedef struct
|
|
{
|
|
CLzma2EncHandle lzma2;
|
|
CSeqInFilter filter;
|
|
|
|
#ifdef USE_SUBBLOCK
|
|
CSbEncInStream sb;
|
|
#endif
|
|
} CLzma2WithFilters;
|
|
|
|
|
|
static void Lzma2WithFilters_Construct(CLzma2WithFilters *p)
|
|
{
|
|
p->lzma2 = NULL;
|
|
SeqInFilter_Construct(&p->filter);
|
|
|
|
#ifdef USE_SUBBLOCK
|
|
SbEncInStream_Construct(&p->sb, alloc);
|
|
#endif
|
|
}
|
|
|
|
|
|
static SRes Lzma2WithFilters_Create(CLzma2WithFilters *p, ISzAllocPtr alloc, ISzAllocPtr bigAlloc)
|
|
{
|
|
if (!p->lzma2)
|
|
{
|
|
p->lzma2 = Lzma2Enc_Create(alloc, bigAlloc);
|
|
if (!p->lzma2)
|
|
return SZ_ERROR_MEM;
|
|
}
|
|
return SZ_OK;
|
|
}
|
|
|
|
|
|
static void Lzma2WithFilters_Free(CLzma2WithFilters *p, ISzAllocPtr alloc)
|
|
{
|
|
#ifdef USE_SUBBLOCK
|
|
SbEncInStream_Free(&p->sb);
|
|
#endif
|
|
|
|
SeqInFilter_Free(&p->filter, alloc);
|
|
if (p->lzma2)
|
|
{
|
|
Lzma2Enc_Destroy(p->lzma2);
|
|
p->lzma2 = NULL;
|
|
}
|
|
}
|
|
|
|
|
|
typedef struct
|
|
{
|
|
UInt64 unpackSize;
|
|
UInt64 totalSize;
|
|
size_t headerSize;
|
|
} CXzEncBlockInfo;
|
|
|
|
|
|
static SRes Xz_CompressBlock(
|
|
CLzma2WithFilters *lzmaf,
|
|
|
|
ISeqOutStreamPtr outStream,
|
|
Byte *outBufHeader,
|
|
Byte *outBufData, size_t outBufDataLimit,
|
|
|
|
ISeqInStreamPtr inStream,
|
|
// UInt64 expectedSize,
|
|
const Byte *inBuf, // used if (!inStream)
|
|
size_t inBufSize, // used if (!inStream), it's block size, props->blockSize is ignored
|
|
|
|
const CXzProps *props,
|
|
ICompressProgressPtr progress,
|
|
int *inStreamFinished, /* only for inStream version */
|
|
CXzEncBlockInfo *blockSizes,
|
|
ISzAllocPtr alloc,
|
|
ISzAllocPtr allocBig)
|
|
{
|
|
CSeqCheckInStream checkInStream;
|
|
CSeqSizeOutStream seqSizeOutStream;
|
|
CXzBlock block;
|
|
unsigned filterIndex = 0;
|
|
CXzFilter *filter = NULL;
|
|
const CXzFilterProps *fp = &props->filterProps;
|
|
if (fp->id == 0)
|
|
fp = NULL;
|
|
|
|
*inStreamFinished = False;
|
|
|
|
RINOK(Lzma2WithFilters_Create(lzmaf, alloc, allocBig))
|
|
|
|
RINOK(Lzma2Enc_SetProps(lzmaf->lzma2, &props->lzma2Props))
|
|
|
|
// XzBlock_ClearFlags(&block)
|
|
XzBlock_ClearFlags_SetNumFilters(&block, 1 + (fp ? 1 : 0))
|
|
|
|
if (fp)
|
|
{
|
|
filter = &block.filters[filterIndex++];
|
|
filter->id = fp->id;
|
|
filter->propsSize = 0;
|
|
|
|
if (fp->id == XZ_ID_Delta)
|
|
{
|
|
filter->props[0] = (Byte)(fp->delta - 1);
|
|
filter->propsSize = 1;
|
|
}
|
|
else if (fp->ipDefined)
|
|
{
|
|
Byte *ptr = filter->props;
|
|
SetUi32(ptr, fp->ip)
|
|
filter->propsSize = 4;
|
|
}
|
|
}
|
|
|
|
{
|
|
CXzFilter *f = &block.filters[filterIndex++];
|
|
f->id = XZ_ID_LZMA2;
|
|
f->propsSize = 1;
|
|
f->props[0] = Lzma2Enc_WriteProperties(lzmaf->lzma2);
|
|
}
|
|
|
|
seqSizeOutStream.vt.Write = SeqSizeOutStream_Write;
|
|
seqSizeOutStream.realStream = outStream;
|
|
seqSizeOutStream.outBuf = outBufData;
|
|
seqSizeOutStream.outBufLimit = outBufDataLimit;
|
|
seqSizeOutStream.processed = 0;
|
|
|
|
/*
|
|
if (expectedSize != (UInt64)(Int64)-1)
|
|
{
|
|
block.unpackSize = expectedSize;
|
|
if (props->blockSize != (UInt64)(Int64)-1)
|
|
if (expectedSize > props->blockSize)
|
|
block.unpackSize = props->blockSize;
|
|
XzBlock_SetHasUnpackSize(&block)
|
|
}
|
|
*/
|
|
|
|
if (outStream)
|
|
{
|
|
RINOK(XzBlock_WriteHeader(&block, &seqSizeOutStream.vt))
|
|
}
|
|
|
|
checkInStream.vt.Read = SeqCheckInStream_Read;
|
|
SeqCheckInStream_Init(&checkInStream, props->checkId);
|
|
|
|
checkInStream.realStream = inStream;
|
|
checkInStream.data = inBuf;
|
|
checkInStream.limit = props->blockSize;
|
|
if (!inStream)
|
|
checkInStream.limit = inBufSize;
|
|
|
|
if (fp)
|
|
{
|
|
#ifdef USE_SUBBLOCK
|
|
if (fp->id == XZ_ID_Subblock)
|
|
{
|
|
lzmaf->sb.inStream = &checkInStream.vt;
|
|
RINOK(SbEncInStream_Init(&lzmaf->sb))
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
lzmaf->filter.realStream = &checkInStream.vt;
|
|
RINOK(SeqInFilter_Init(&lzmaf->filter, filter, alloc))
|
|
}
|
|
}
|
|
|
|
{
|
|
SRes res;
|
|
Byte *outBuf = NULL;
|
|
size_t outSize = 0;
|
|
BoolInt useStream = (fp || inStream);
|
|
// useStream = True;
|
|
|
|
if (!useStream)
|
|
{
|
|
XzCheck_Update(&checkInStream.check, inBuf, inBufSize);
|
|
checkInStream.processed = inBufSize;
|
|
}
|
|
|
|
if (!outStream)
|
|
{
|
|
outBuf = seqSizeOutStream.outBuf; // + (size_t)seqSizeOutStream.processed;
|
|
outSize = seqSizeOutStream.outBufLimit; // - (size_t)seqSizeOutStream.processed;
|
|
}
|
|
|
|
res = Lzma2Enc_Encode2(lzmaf->lzma2,
|
|
outBuf ? NULL : &seqSizeOutStream.vt,
|
|
outBuf,
|
|
outBuf ? &outSize : NULL,
|
|
|
|
useStream ?
|
|
(fp ?
|
|
(
|
|
#ifdef USE_SUBBLOCK
|
|
(fp->id == XZ_ID_Subblock) ? &lzmaf->sb.vt:
|
|
#endif
|
|
&lzmaf->filter.vt) :
|
|
&checkInStream.vt) : NULL,
|
|
|
|
useStream ? NULL : inBuf,
|
|
useStream ? 0 : inBufSize,
|
|
|
|
progress);
|
|
|
|
if (outBuf)
|
|
seqSizeOutStream.processed += outSize;
|
|
|
|
RINOK(res)
|
|
blockSizes->unpackSize = checkInStream.processed;
|
|
}
|
|
{
|
|
Byte buf[4 + 64];
|
|
unsigned padSize = XZ_GET_PAD_SIZE(seqSizeOutStream.processed);
|
|
UInt64 packSize = seqSizeOutStream.processed;
|
|
|
|
buf[0] = 0;
|
|
buf[1] = 0;
|
|
buf[2] = 0;
|
|
buf[3] = 0;
|
|
|
|
SeqCheckInStream_GetDigest(&checkInStream, buf + 4);
|
|
RINOK(WriteBytes(&seqSizeOutStream.vt, buf + (4 - padSize), padSize + XzFlags_GetCheckSize((CXzStreamFlags)props->checkId)))
|
|
|
|
blockSizes->totalSize = seqSizeOutStream.processed - padSize;
|
|
|
|
if (!outStream)
|
|
{
|
|
seqSizeOutStream.outBuf = outBufHeader;
|
|
seqSizeOutStream.outBufLimit = XZ_BLOCK_HEADER_SIZE_MAX;
|
|
seqSizeOutStream.processed = 0;
|
|
|
|
block.unpackSize = blockSizes->unpackSize;
|
|
XzBlock_SetHasUnpackSize(&block)
|
|
|
|
block.packSize = packSize;
|
|
XzBlock_SetHasPackSize(&block)
|
|
|
|
RINOK(XzBlock_WriteHeader(&block, &seqSizeOutStream.vt))
|
|
|
|
blockSizes->headerSize = (size_t)seqSizeOutStream.processed;
|
|
blockSizes->totalSize += seqSizeOutStream.processed;
|
|
}
|
|
}
|
|
|
|
if (inStream)
|
|
*inStreamFinished = checkInStream.realStreamFinished;
|
|
else
|
|
{
|
|
*inStreamFinished = False;
|
|
if (checkInStream.processed != inBufSize)
|
|
return SZ_ERROR_FAIL;
|
|
}
|
|
|
|
return SZ_OK;
|
|
}
|
|
|
|
|
|
|
|
typedef struct
|
|
{
|
|
ICompressProgress vt;
|
|
ICompressProgressPtr progress;
|
|
UInt64 inOffset;
|
|
UInt64 outOffset;
|
|
} CCompressProgress_XzEncOffset;
|
|
|
|
|
|
static SRes CompressProgress_XzEncOffset_Progress(ICompressProgressPtr pp, UInt64 inSize, UInt64 outSize)
|
|
{
|
|
const CCompressProgress_XzEncOffset *p = Z7_CONTAINER_FROM_VTBL_CONST(pp, CCompressProgress_XzEncOffset, vt);
|
|
inSize += p->inOffset;
|
|
outSize += p->outOffset;
|
|
return ICompressProgress_Progress(p->progress, inSize, outSize);
|
|
}
|
|
|
|
|
|
|
|
|
|
struct CXzEnc
|
|
{
|
|
ISzAllocPtr alloc;
|
|
ISzAllocPtr allocBig;
|
|
|
|
CXzProps xzProps;
|
|
UInt64 expectedDataSize;
|
|
|
|
CXzEncIndex xzIndex;
|
|
|
|
CLzma2WithFilters lzmaf_Items[MTCODER_THREADS_MAX];
|
|
|
|
size_t outBufSize; /* size of allocated outBufs[i] */
|
|
Byte *outBufs[MTCODER_BLOCKS_MAX];
|
|
|
|
#ifndef Z7_ST
|
|
unsigned checkType;
|
|
ISeqOutStreamPtr outStream;
|
|
BoolInt mtCoder_WasConstructed;
|
|
CMtCoder mtCoder;
|
|
CXzEncBlockInfo EncBlocks[MTCODER_BLOCKS_MAX];
|
|
#endif
|
|
};
|
|
|
|
|
|
static void XzEnc_Construct(CXzEnc *p)
|
|
{
|
|
unsigned i;
|
|
|
|
XzEncIndex_Construct(&p->xzIndex);
|
|
|
|
for (i = 0; i < MTCODER_THREADS_MAX; i++)
|
|
Lzma2WithFilters_Construct(&p->lzmaf_Items[i]);
|
|
|
|
#ifndef Z7_ST
|
|
p->mtCoder_WasConstructed = False;
|
|
{
|
|
for (i = 0; i < MTCODER_BLOCKS_MAX; i++)
|
|
p->outBufs[i] = NULL;
|
|
p->outBufSize = 0;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
|
|
static void XzEnc_FreeOutBufs(CXzEnc *p)
|
|
{
|
|
unsigned i;
|
|
for (i = 0; i < MTCODER_BLOCKS_MAX; i++)
|
|
if (p->outBufs[i])
|
|
{
|
|
ISzAlloc_Free(p->alloc, p->outBufs[i]);
|
|
p->outBufs[i] = NULL;
|
|
}
|
|
p->outBufSize = 0;
|
|
}
|
|
|
|
|
|
static void XzEnc_Free(CXzEnc *p, ISzAllocPtr alloc)
|
|
{
|
|
unsigned i;
|
|
|
|
XzEncIndex_Free(&p->xzIndex, alloc);
|
|
|
|
for (i = 0; i < MTCODER_THREADS_MAX; i++)
|
|
Lzma2WithFilters_Free(&p->lzmaf_Items[i], alloc);
|
|
|
|
#ifndef Z7_ST
|
|
if (p->mtCoder_WasConstructed)
|
|
{
|
|
MtCoder_Destruct(&p->mtCoder);
|
|
p->mtCoder_WasConstructed = False;
|
|
}
|
|
XzEnc_FreeOutBufs(p);
|
|
#endif
|
|
}
|
|
|
|
|
|
CXzEncHandle XzEnc_Create(ISzAllocPtr alloc, ISzAllocPtr allocBig)
|
|
{
|
|
CXzEnc *p = (CXzEnc *)ISzAlloc_Alloc(alloc, sizeof(CXzEnc));
|
|
if (!p)
|
|
return NULL;
|
|
XzEnc_Construct(p);
|
|
XzProps_Init(&p->xzProps);
|
|
XzProps_Normalize(&p->xzProps);
|
|
p->expectedDataSize = (UInt64)(Int64)-1;
|
|
p->alloc = alloc;
|
|
p->allocBig = allocBig;
|
|
return (CXzEncHandle)p;
|
|
}
|
|
|
|
// #define GET_CXzEnc_p CXzEnc *p = (CXzEnc *)(void *)pp;
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void XzEnc_Destroy(CXzEncHandle p)
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{
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// GET_CXzEnc_p
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XzEnc_Free(p, p->alloc);
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ISzAlloc_Free(p->alloc, p);
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}
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SRes XzEnc_SetProps(CXzEncHandle p, const CXzProps *props)
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{
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// GET_CXzEnc_p
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p->xzProps = *props;
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XzProps_Normalize(&p->xzProps);
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return SZ_OK;
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}
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void XzEnc_SetDataSize(CXzEncHandle p, UInt64 expectedDataSiize)
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{
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// GET_CXzEnc_p
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p->expectedDataSize = expectedDataSiize;
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}
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#ifndef Z7_ST
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static SRes XzEnc_MtCallback_Code(void *pp, unsigned coderIndex, unsigned outBufIndex,
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const Byte *src, size_t srcSize, int finished)
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{
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CXzEnc *me = (CXzEnc *)pp;
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SRes res;
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CMtProgressThunk progressThunk;
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Byte *dest = me->outBufs[outBufIndex];
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UNUSED_VAR(finished)
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{
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CXzEncBlockInfo *bInfo = &me->EncBlocks[outBufIndex];
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bInfo->totalSize = 0;
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bInfo->unpackSize = 0;
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bInfo->headerSize = 0;
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}
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if (!dest)
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{
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dest = (Byte *)ISzAlloc_Alloc(me->alloc, me->outBufSize);
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if (!dest)
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return SZ_ERROR_MEM;
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me->outBufs[outBufIndex] = dest;
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}
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MtProgressThunk_CreateVTable(&progressThunk);
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progressThunk.mtProgress = &me->mtCoder.mtProgress;
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MtProgressThunk_INIT(&progressThunk)
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{
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CXzEncBlockInfo blockSizes;
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int inStreamFinished;
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res = Xz_CompressBlock(
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&me->lzmaf_Items[coderIndex],
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NULL,
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dest,
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dest + XZ_BLOCK_HEADER_SIZE_MAX, me->outBufSize - XZ_BLOCK_HEADER_SIZE_MAX,
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NULL,
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// srcSize, // expectedSize
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src, srcSize,
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&me->xzProps,
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&progressThunk.vt,
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&inStreamFinished,
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&blockSizes,
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me->alloc,
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me->allocBig);
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if (res == SZ_OK)
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me->EncBlocks[outBufIndex] = blockSizes;
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return res;
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}
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}
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static SRes XzEnc_MtCallback_Write(void *pp, unsigned outBufIndex)
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{
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CXzEnc *me = (CXzEnc *)pp;
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const CXzEncBlockInfo *bInfo = &me->EncBlocks[outBufIndex];
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const Byte *data = me->outBufs[outBufIndex];
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RINOK(WriteBytes(me->outStream, data, bInfo->headerSize))
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{
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UInt64 totalPackFull = bInfo->totalSize + XZ_GET_PAD_SIZE(bInfo->totalSize);
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RINOK(WriteBytes(me->outStream, data + XZ_BLOCK_HEADER_SIZE_MAX, (size_t)totalPackFull - bInfo->headerSize))
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}
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return XzEncIndex_AddIndexRecord(&me->xzIndex, bInfo->unpackSize, bInfo->totalSize, me->alloc);
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}
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#endif
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SRes XzEnc_Encode(CXzEncHandle p, ISeqOutStreamPtr outStream, ISeqInStreamPtr inStream, ICompressProgressPtr progress)
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{
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// GET_CXzEnc_p
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const CXzProps *props = &p->xzProps;
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XzEncIndex_Init(&p->xzIndex);
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{
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UInt64 numBlocks = 1;
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UInt64 blockSize = props->blockSize;
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if (blockSize != XZ_PROPS_BLOCK_SIZE_SOLID
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&& props->reduceSize != (UInt64)(Int64)-1)
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{
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numBlocks = props->reduceSize / blockSize;
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if (numBlocks * blockSize != props->reduceSize)
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numBlocks++;
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}
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else
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blockSize = (UInt64)1 << 62;
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RINOK(XzEncIndex_PreAlloc(&p->xzIndex, numBlocks, blockSize, XZ_GET_ESTIMATED_BLOCK_TOTAL_PACK_SIZE(blockSize), p->alloc))
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}
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RINOK(Xz_WriteHeader((CXzStreamFlags)props->checkId, outStream))
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#ifndef Z7_ST
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if (props->numBlockThreads_Reduced > 1)
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{
|
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IMtCoderCallback2 vt;
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|
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if (!p->mtCoder_WasConstructed)
|
|
{
|
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p->mtCoder_WasConstructed = True;
|
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MtCoder_Construct(&p->mtCoder);
|
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}
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vt.Code = XzEnc_MtCallback_Code;
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vt.Write = XzEnc_MtCallback_Write;
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|
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p->checkType = props->checkId;
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p->xzProps = *props;
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|
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p->outStream = outStream;
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p->mtCoder.allocBig = p->allocBig;
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p->mtCoder.progress = progress;
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p->mtCoder.inStream = inStream;
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p->mtCoder.inData = NULL;
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p->mtCoder.inDataSize = 0;
|
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p->mtCoder.mtCallback = &vt;
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p->mtCoder.mtCallbackObject = p;
|
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|
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if ( props->blockSize == XZ_PROPS_BLOCK_SIZE_SOLID
|
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|| props->blockSize == XZ_PROPS_BLOCK_SIZE_AUTO)
|
|
return SZ_ERROR_FAIL;
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|
|
p->mtCoder.blockSize = (size_t)props->blockSize;
|
|
if (p->mtCoder.blockSize != props->blockSize)
|
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return SZ_ERROR_PARAM; /* SZ_ERROR_MEM */
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|
|
{
|
|
size_t destBlockSize = XZ_BLOCK_HEADER_SIZE_MAX + XZ_GET_MAX_BLOCK_PACK_SIZE(p->mtCoder.blockSize);
|
|
if (destBlockSize < p->mtCoder.blockSize)
|
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return SZ_ERROR_PARAM;
|
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if (p->outBufSize != destBlockSize)
|
|
XzEnc_FreeOutBufs(p);
|
|
p->outBufSize = destBlockSize;
|
|
}
|
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|
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p->mtCoder.numThreadsMax = (unsigned)props->numBlockThreads_Max;
|
|
p->mtCoder.expectedDataSize = p->expectedDataSize;
|
|
|
|
RINOK(MtCoder_Code(&p->mtCoder))
|
|
}
|
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else
|
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#endif
|
|
{
|
|
int writeStartSizes;
|
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CCompressProgress_XzEncOffset progress2;
|
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Byte *bufData = NULL;
|
|
size_t bufSize = 0;
|
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|
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progress2.vt.Progress = CompressProgress_XzEncOffset_Progress;
|
|
progress2.inOffset = 0;
|
|
progress2.outOffset = 0;
|
|
progress2.progress = progress;
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|
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writeStartSizes = 0;
|
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|
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if (props->blockSize != XZ_PROPS_BLOCK_SIZE_SOLID)
|
|
{
|
|
writeStartSizes = (props->forceWriteSizesInHeader > 0);
|
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|
|
if (writeStartSizes)
|
|
{
|
|
size_t t2;
|
|
size_t t = (size_t)props->blockSize;
|
|
if (t != props->blockSize)
|
|
return SZ_ERROR_PARAM;
|
|
t = XZ_GET_MAX_BLOCK_PACK_SIZE(t);
|
|
if (t < props->blockSize)
|
|
return SZ_ERROR_PARAM;
|
|
t2 = XZ_BLOCK_HEADER_SIZE_MAX + t;
|
|
if (!p->outBufs[0] || t2 != p->outBufSize)
|
|
{
|
|
XzEnc_FreeOutBufs(p);
|
|
p->outBufs[0] = (Byte *)ISzAlloc_Alloc(p->alloc, t2);
|
|
if (!p->outBufs[0])
|
|
return SZ_ERROR_MEM;
|
|
p->outBufSize = t2;
|
|
}
|
|
bufData = p->outBufs[0] + XZ_BLOCK_HEADER_SIZE_MAX;
|
|
bufSize = t;
|
|
}
|
|
}
|
|
|
|
for (;;)
|
|
{
|
|
CXzEncBlockInfo blockSizes;
|
|
int inStreamFinished;
|
|
|
|
/*
|
|
UInt64 rem = (UInt64)(Int64)-1;
|
|
if (props->reduceSize != (UInt64)(Int64)-1
|
|
&& props->reduceSize >= progress2.inOffset)
|
|
rem = props->reduceSize - progress2.inOffset;
|
|
*/
|
|
|
|
blockSizes.headerSize = 0; // for GCC
|
|
|
|
RINOK(Xz_CompressBlock(
|
|
&p->lzmaf_Items[0],
|
|
|
|
writeStartSizes ? NULL : outStream,
|
|
writeStartSizes ? p->outBufs[0] : NULL,
|
|
bufData, bufSize,
|
|
|
|
inStream,
|
|
// rem,
|
|
NULL, 0,
|
|
|
|
props,
|
|
progress ? &progress2.vt : NULL,
|
|
&inStreamFinished,
|
|
&blockSizes,
|
|
p->alloc,
|
|
p->allocBig))
|
|
|
|
{
|
|
UInt64 totalPackFull = blockSizes.totalSize + XZ_GET_PAD_SIZE(blockSizes.totalSize);
|
|
|
|
if (writeStartSizes)
|
|
{
|
|
RINOK(WriteBytes(outStream, p->outBufs[0], blockSizes.headerSize))
|
|
RINOK(WriteBytes(outStream, bufData, (size_t)totalPackFull - blockSizes.headerSize))
|
|
}
|
|
|
|
RINOK(XzEncIndex_AddIndexRecord(&p->xzIndex, blockSizes.unpackSize, blockSizes.totalSize, p->alloc))
|
|
|
|
progress2.inOffset += blockSizes.unpackSize;
|
|
progress2.outOffset += totalPackFull;
|
|
}
|
|
|
|
if (inStreamFinished)
|
|
break;
|
|
}
|
|
}
|
|
|
|
return XzEncIndex_WriteFooter(&p->xzIndex, (CXzStreamFlags)props->checkId, outStream);
|
|
}
|
|
|
|
|
|
#include "Alloc.h"
|
|
|
|
SRes Xz_Encode(ISeqOutStreamPtr outStream, ISeqInStreamPtr inStream,
|
|
const CXzProps *props, ICompressProgressPtr progress)
|
|
{
|
|
SRes res;
|
|
CXzEncHandle xz = XzEnc_Create(&g_Alloc, &g_BigAlloc);
|
|
if (!xz)
|
|
return SZ_ERROR_MEM;
|
|
res = XzEnc_SetProps(xz, props);
|
|
if (res == SZ_OK)
|
|
res = XzEnc_Encode(xz, outStream, inStream, progress);
|
|
XzEnc_Destroy(xz);
|
|
return res;
|
|
}
|
|
|
|
|
|
SRes Xz_EncodeEmpty(ISeqOutStreamPtr outStream)
|
|
{
|
|
SRes res;
|
|
CXzEncIndex xzIndex;
|
|
XzEncIndex_Construct(&xzIndex);
|
|
res = Xz_WriteHeader((CXzStreamFlags)0, outStream);
|
|
if (res == SZ_OK)
|
|
res = XzEncIndex_WriteFooter(&xzIndex, (CXzStreamFlags)0, outStream);
|
|
XzEncIndex_Free(&xzIndex, NULL); // g_Alloc
|
|
return res;
|
|
}
|