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Add zstd fast levels and update 7z property sizes

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- add the "fast compression levels" of zstd via "fast" option (fast=1..64)
- change the 7-Zip property sizes of LZ4, LZ5 and Zstandard to 3
- 3 and 5 byte header are valid now (default is 3)
- update the Methods-Extern.md file, to reflect the property changes
This commit is contained in:
Tino Reichardt
2018-11-25 18:03:13 +01:00
parent 4728ce24ef
commit f98edef556
15 changed files with 129 additions and 88 deletions
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2
C/7zVersion.h
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@@ -10,7 +10,7 @@
#define MY_VERSION_CPU MY_VERSION
#endif
#define MY_DATE "2018-11-17"
#define MY_DATE "2018-11-25"
#undef MY_COPYRIGHT
#undef MY_VERSION_COPYRIGHT_DATE
#define MY_AUTHOR_NAME "Igor Pavlov, Tino Reichardt"

21
C/7zVersionTr.h
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@@ -1,11 +1,14 @@
#define MY_VER_MAJOR 18
#define MY_VER_MINOR 05
#define MY_VER_BUILD 0
#define MY_VERSION_NUMBERS "1.3.7 R3"
#define MY_VERSION MY_VERSION_NUMBERS
#define MY_DATE "2018-11-17"
#undef MY_COPYRIGHT
#undef MY_VERSION_COPYRIGHT_DATE
#include "7zVersion.h"
#undef MY_AUTHOR_NAME
#define MY_AUTHOR_NAME "Tino Reichardt"
#undef MY_COPYRIGHT
#define MY_COPYRIGHT "Copyright (c) 2016 - 2018 Tino Reichardt"
#define MY_VERSION_COPYRIGHT_DATE MY_VERSION " : " MY_COPYRIGHT " : " MY_DATE
#undef MY_COPYRIGHT_DATE
#define MY_COPYRIGHT_DATE MY_COPYRIGHT " : " MY_DATE
#undef MY_VERSION_COPYRIGHT_DATE
#define MY_VERSION_COPYRIGHT_DATE MY_VERSION_CPU " : " MY_COPYRIGHT " : " MY_DATE

15
CPP/7zip/Archive/7z/7zHandler.cpp
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@@ -507,7 +507,7 @@ HRESULT CHandler::SetMethodToProp(CNum folderIndex, PROPVARIANT *prop) const
else if (id == k_LZ4)
{
name = "LZ4";
if (propsSize == 5)
if (propsSize == 3 || propsSize == 5)
{
char *dest = s;
*dest++ = 'v';
@@ -525,7 +525,7 @@ HRESULT CHandler::SetMethodToProp(CNum folderIndex, PROPVARIANT *prop) const
else if (id == k_LZ5)
{
name = "LZ5";
if (propsSize == 5)
if (propsSize == 3 || propsSize == 5)
{
char *dest = s;
*dest++ = 'v';
@@ -543,9 +543,10 @@ HRESULT CHandler::SetMethodToProp(CNum folderIndex, PROPVARIANT *prop) const
else if (id == k_ZSTD)
{
name = "ZSTD";
if (propsSize == 5)
if (propsSize == 3 || propsSize == 5)
{
char *dest = s;
UInt32 l = props[2];
*dest++ = 'v';
ConvertUInt32ToString(props[0], dest);
dest += MyStringLen(dest);
@@ -553,8 +554,14 @@ HRESULT CHandler::SetMethodToProp(CNum folderIndex, PROPVARIANT *prop) const
ConvertUInt32ToString(props[1], dest);
dest += MyStringLen(dest);
*dest++ = ',';
if (l <= 22) {
*dest++ = 'l';
ConvertUInt32ToString(props[2], dest);
ConvertUInt32ToString(l, dest);
} else {
*dest++ = 'f';
*dest++ = 'l';
ConvertUInt32ToString(l - 32, dest);
}
dest += MyStringLen(dest);
}
}

2
CPP/7zip/Bundles/Codec_brotli/resource.rc
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@@ -1,6 +1,6 @@
#include "../../../../C/7zVersionTr.h"
#include "../../../../C/7zVersion.rc"
MY_VERSION_INFO_DLL("7-Zip Brotli Plugin v1.0.6", "Brotli")
MY_VERSION_INFO_DLL("7-Zip Brotli Plugin v1.0.7", "Brotli")
101 ICON "../../Archive/Icons/7z.ico"

1
CPP/7zip/Common/MethodProps.cpp
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@@ -281,6 +281,7 @@ static const CNameToPropID g_NameToPropID[] =
{ VT_BSTR, "filter" },
{ VT_UI8, "memuse" },
{ VT_UI4, "strat" },
{ VT_UI4, "fast" },
{ VT_UI4, "long" },
{ VT_UI4, "wlog" },
{ VT_UI4, "hlog" },

14
CPP/7zip/Compress/Lz4Decoder.cpp
View File

@@ -87,12 +87,16 @@ STDMETHODIMP CDecoder::SetDecoderProperties2(const Byte * prop, UInt32 size)
{
DProps *pProps = (DProps *)prop;
if (size != sizeof(DProps))
return E_NOTIMPL;
memcpy(&_props, pProps, sizeof (DProps));
switch (size) {
case 3:
memcpy(&_props, pProps, 3);
return S_OK;
case 5:
memcpy(&_props, pProps, 5);
return S_OK;
default:
return E_NOTIMPL;
}
}
STDMETHODIMP CDecoder::SetNumberOfThreads(UInt32 numThreads)

1
CPP/7zip/Compress/Lz4Encoder.h
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@@ -29,7 +29,6 @@ struct CProps
Byte _ver_major;
Byte _ver_minor;
Byte _level;
Byte _reserved[2];
};
class CEncoder:

14
CPP/7zip/Compress/Lz5Decoder.cpp
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@@ -87,12 +87,16 @@ STDMETHODIMP CDecoder::SetDecoderProperties2(const Byte * prop, UInt32 size)
{
DProps *pProps = (DProps *)prop;
if (size != sizeof(DProps))
return E_NOTIMPL;
memcpy(&_props, pProps, sizeof (DProps));
switch (size) {
case 3:
memcpy(&_props, pProps, 3);
return S_OK;
case 5:
memcpy(&_props, pProps, 5);
return S_OK;
default:
return E_NOTIMPL;
}
}
STDMETHODIMP CDecoder::SetNumberOfThreads(UInt32 numThreads)

1
CPP/7zip/Compress/Lz5Encoder.h
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@@ -29,7 +29,6 @@ struct CProps
Byte _ver_major;
Byte _ver_minor;
Byte _level;
Byte _reserved[2];
};
class CEncoder:

4
CPP/7zip/Compress/ZstdDecoder.cpp
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@@ -39,8 +39,10 @@ STDMETHODIMP CDecoder::SetDecoderProperties2(const Byte * prop, UInt32 size)
switch (size) {
case 3:
memcpy(&_props, pProps, 3);
return S_OK;
case 5:
memcpy(&_props, pProps, sizeof (DProps));
memcpy(&_props, pProps, 5);
return S_OK;
default:
return E_NOTIMPL;

85
CPP/7zip/Compress/ZstdEncoder.cpp
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@@ -23,8 +23,9 @@ CEncoder::CEncoder():
_processedIn(0),
_processedOut(0),
_numThreads(NWindows::NSystem::GetNumberOfProcessors()),
_Long(-1),
_Strategy(-1),
_Long(-1),
_Level(ZSTD_CLEVEL_DEFAULT),
_WindowLog(-1),
_HashLog(-1),
_ChainLog(-1),
@@ -62,25 +63,11 @@ STDMETHODIMP CEncoder::SetCoderProperties(const PROPID * propIDs, const PROPVARI
UInt32 v = (UInt32)prop.ulVal;
switch (propID)
{
case NCoderPropID::kLevel:
{
if (prop.vt != VT_UI4)
return E_INVALIDARG;
/* level 1..22 */
_props._level = static_cast < Byte > (prop.ulVal);
Byte mylevel = static_cast < Byte > (ZSTD_LEVEL_MAX);
if (_props._level > mylevel)
_props._level = mylevel;
break;
}
case NCoderPropID::kNumThreads:
{
SetNumberOfThreads(v);
break;
}
case NCoderPropID::kStrategy:
{
if (v < 1) v = 1;
@@ -88,6 +75,56 @@ STDMETHODIMP CEncoder::SetCoderProperties(const PROPID * propIDs, const PROPVARI
_Strategy = v;
break;
}
case NCoderPropID::kLevel:
{
_Level = v;
if (v < 1) {
_Level = 1;
} else if ((Int32)v > ZSTD_maxCLevel()) {
_Level = ZSTD_maxCLevel();
}
/**
* zstd default levels: _Level => 1..ZSTD_maxCLevel()
*/
_props._level = static_cast < Byte > (_Level);
break;
}
case NCoderPropID::kFast:
{
/* like --fast in zstd cli program */
UInt32 _Fast = v;
if (v < 1) {
_Fast = 1;
} else if (v > 64) {
_Fast = 64;
}
/**
* zstd fast levels:
* _Fast => 1..ZSTD_minCLevel() (_Level => _Fast + 32)
*/
_props._level = static_cast < Byte > (_Fast + 32);
/* negative levels are the fast ones */
_Level = _Fast * -1;
break;
}
case NCoderPropID::kLong:
{
/* like --long in zstd cli program */
_Long = 1;
if (v == 0) {
// m0=zstd:long:tlen=x
_WindowLog = 27;
} else if (v < 10) {
_WindowLog = 10;
} else if (v > ZSTD_WINDOWLOG_MAX) {
_WindowLog = ZSTD_WINDOWLOG_MAX;
}
break;
}
case NCoderPropID::kWindowLog:
{
if (v < ZSTD_WINDOWLOG_MIN) v = ZSTD_WINDOWLOG_MIN;
@@ -137,20 +174,6 @@ STDMETHODIMP CEncoder::SetCoderProperties(const PROPID * propIDs, const PROPVARI
_OverlapLog = v;
break;
}
case NCoderPropID::kLong:
{
/* exact like --long in zstd cli program */
_Long = 1;
if (v == 0) {
// m0=zstd:long:tlen=x
_WindowLog = 27;
} else if (v < 10) {
_WindowLog = 10;
} else if (v > ZSTD_WINDOWLOG_MAX) {
_WindowLog = ZSTD_WINDOWLOG_MAX;
}
break;
}
case NCoderPropID::kLdmHashLog:
{
if (v < ZSTD_HASHLOG_MIN) v = ZSTD_HASHLOG_MIN;
@@ -217,7 +240,7 @@ STDMETHODIMP CEncoder::Code(ISequentialInStream *inStream,
return E_OUTOFMEMORY;
/* setup level */
err = ZSTD_CCtx_setParameter(_ctx, ZSTD_p_compressionLevel, _props._level);
err = ZSTD_CCtx_setParameter(_ctx, ZSTD_p_compressionLevel, (UInt32)_Level);
if (ZSTD_isError(err)) return E_INVALIDARG;
/* setup thread count */
@@ -233,7 +256,7 @@ STDMETHODIMP CEncoder::Code(ISequentialInStream *inStream,
_Long = 1;
/* set ldm */
if (_Long == 1) {
if (_Long != -1) {
err = ZSTD_CCtx_setParameter(_ctx, ZSTD_p_enableLongDistanceMatching, _Long);
if (ZSTD_isError(err)) return E_INVALIDARG;
}

4
CPP/7zip/Compress/ZstdEncoder.h
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@@ -28,7 +28,6 @@ struct CProps
Byte _ver_major;
Byte _ver_minor;
Byte _level;
Byte _reserved[2];
};
class CEncoder:
@@ -53,6 +52,8 @@ class CEncoder:
/* zstd advanced compression options */
Int32 _Strategy;
Int32 _Long;
Int32 _Level;
Int32 _WindowLog;
Int32 _HashLog;
Int32 _ChainLog;
@@ -60,7 +61,6 @@ class CEncoder:
Int32 _SearchLength;
Int32 _TargetLen;
Int32 _OverlapLog;
Int32 _Long;
Int32 _LdmHashLog;
Int32 _LdmSearchLength;
Int32 _LdmBucketSizeLog;

5
CPP/7zip/ICoder.h
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@@ -135,8 +135,9 @@ namespace NCoderPropID
/* zstd props */
kStrategy, // VT_UI4 1=ZSTD_fast, 2=ZSTD_dfast, 3=ZSTD_greedy, 4=ZSTD_lazy, 5=ZSTD_lazy2, 6=ZSTD_btlazy2, 7=ZSTD_btopt, 8=ZSTD_btultra
kLong, // VT_UI4 0=disable ldm (default: 27)
kWindowLog, // VT_UI4 x32=10(1KiB)..30(1GiB) x64=10(1KiB)..31(2GiB)
kFast, // VT_UI4 The minimum fast is 1 and the maximum is 64 (default: unused)
kLong, // VT_UI4 The minimum long is 10 (1KiB) and the maximum is 30 (1GiB) on x32 and 31 (2GiB) on x64
kWindowLog, // VT_UI4 The minimum long is 10 (1KiB) and the maximum is 30 (1GiB) on x32 and 31 (2GiB) on x64
kHashLog, // VT_UI4 The minimum hlog is 6 (64 B) and the maximum is 26 (128 MiB).
kChainLog, // VT_UI4 The minimum clog is 6 (64 B) and the maximum is 28 (256 MiB)
kSearchLog, // VT_UI4 The minimum slog is 1 and the maximum is 26

24
DOC/Methods-Extern.md
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@@ -62,22 +62,22 @@ License:
Zstandard library is provided as open source software using the BSD license.
7-Zip Container Header:
This header is mandatory and must be exact 5 bytes. The data within that header
This header is mandatory and must be exact 3 or 5 bytes. The data within that header
is for informational purposes only and not used by the decoder. If the header
is not there, or has another size, the decoder will not decompress the content.
``` C
Byte _ver_major; // currently 1
Byte _ver_minor; // currently 2
Byte _level; // currently 1..22
Byte _reserved[2];
Byte _level; // currently 1..22 or 33..MaxFastLevel
Byte _reserved[2]; // not given in 3 byte header
```
- this header holds some information about the version, which was
used for creating that 7-Zip container data
- _ver_major should contain the major release of zstd
- _ver_minor should contain the major release of zstd
- _level should contain the level, the data is packed with
- the other two bytes should be set to zero currently and are
reserved for future use
- negative fast level values are stored as fastlevel+32 (33 = fastlevel 1 and so on..)
- the other two bytes, if present, should be set to zero currently and are reserved for future use
Algorithm author: Yann Collet
- Homepage: https://facebook.github.io/zstd/
@@ -164,22 +164,21 @@ License:
LZ4 library is provided as open source software using the BSD license.
7-Zip Container Header:
This header is mandatory and must be exact 5 bytes. The data within that header
This header is mandatory and must be exact 3 or 5 bytes. The data within that header
is for informational purposes only and not used by the decoder. If the header
is not there, or has another size, the decoder will not decompress the content.
``` C
Byte _ver_major; // currently 1
Byte _ver_minor; // currently 7
Byte _level; // 1..12
Byte _reserved[2];
Byte _reserved[2]; // not given in 3 byte header
```
- this header holds some information about the version, which was
used for creating that 7-Zip container data
- _ver_major should contain the major release of LZ4
- _ver_minor should contain the major release of LZ4
- _level should contain the level, the data is packed with
- the other two bytes should be set to zero currently and are
reserved for future use
- the other two bytes, if present, should be set to zero currently and are reserved for future use
Algorithm author: Yann Collet
- Homepage: https://lz4.github.io/lz4/
@@ -215,22 +214,21 @@ License:
LZ5 library is provided as open source software using the BSD license.
7-Zip Container Header:
This header is mandatory and must be exact 5 bytes. The data within that header
This header is mandatory and must be exact 3 or 5 bytes. The data within that header
is for informational purposes only and not used by the decoder. If the header
is not there, or has another size, the decoder will not decompress the content.
``` C
Byte _ver_major; // currently 1
Byte _ver_minor; // currently 5
Byte _level; // 1..15
Byte _reserved[2];
Byte _reserved[2]; // not given in 3 byte header
```
- this header holds some information about the version, which was used for
creating that 7-Zip container data
- _ver_major should contain the major release of LZ5
- _ver_minor should contain the major release of LZ5
- _level should contain the level, the data is packed with
- the other two bytes should be set to zero currently and are reserved for
future use
- the other two bytes, if present, should be set to zero currently and are reserved for future use
Algorithm author: Przemyslaw Skibinski
- Homepage: https://github.com/inikep/lz5

2
README.md
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@@ -268,7 +268,7 @@ You find this project useful, maybe you consider a donation ;-)
- [Zstandard] Version 1.3.7
- [Fast LZMA2] Version 0.9.2
/TR 2018-11-16
/TR 2018-11-25
## Notes