diff --git a/3rdparty/7z/src/7zTypes.h b/3rdparty/7z/src/7zTypes.h
index afe241258c..763d3a9b6e 100644
--- a/3rdparty/7z/src/7zTypes.h
+++ b/3rdparty/7z/src/7zTypes.h
@@ -1,5 +1,5 @@
 /* 7zTypes.h -- Basic types
-2021-12-25 : Igor Pavlov : Public domain */
+2022-04-01 : Igor Pavlov : Public domain */
 
 #ifndef __7Z_TYPES_H
 #define __7Z_TYPES_H
@@ -133,10 +133,6 @@ typedef int WRes;
 #define MY__E_ERROR_NEGATIVE_SEEK MY_HRESULT_FROM_errno_CONST_ERROR(EINVAL)
 */
 
-// gcc / clang : (sizeof(long) == sizeof(void*)) in 32/64 bits
-typedef          long INT_PTR;
-typedef unsigned long UINT_PTR;
-
 #define TEXT(quote) quote
 
 #define FILE_ATTRIBUTE_READONLY       0x0001
@@ -520,6 +516,14 @@ struct ISzAlloc
 
 #endif
 
+#define k_PropVar_TimePrec_0        0
+#define k_PropVar_TimePrec_Unix     1
+#define k_PropVar_TimePrec_DOS      2
+#define k_PropVar_TimePrec_HighPrec 3
+#define k_PropVar_TimePrec_Base     16
+#define k_PropVar_TimePrec_100ns (k_PropVar_TimePrec_Base + 7)
+#define k_PropVar_TimePrec_1ns   (k_PropVar_TimePrec_Base + 9)
+
 EXTERN_C_END
 
 #endif
diff --git a/3rdparty/7z/src/7zVersion.h b/3rdparty/7z/src/7zVersion.h
index 08618695d5..fa9e6fc539 100644
--- a/3rdparty/7z/src/7zVersion.h
+++ b/3rdparty/7z/src/7zVersion.h
@@ -1,7 +1,7 @@
-#define MY_VER_MAJOR 21
-#define MY_VER_MINOR 07
+#define MY_VER_MAJOR 22
+#define MY_VER_MINOR 01
 #define MY_VER_BUILD 0
-#define MY_VERSION_NUMBERS "21.07"
+#define MY_VERSION_NUMBERS "22.01"
 #define MY_VERSION MY_VERSION_NUMBERS
 
 #ifdef MY_CPU_NAME
@@ -10,12 +10,12 @@
   #define MY_VERSION_CPU MY_VERSION
 #endif
 
-#define MY_DATE "2021-12-26"
+#define MY_DATE "2022-07-15"
 #undef MY_COPYRIGHT
 #undef MY_VERSION_COPYRIGHT_DATE
 #define MY_AUTHOR_NAME "Igor Pavlov"
 #define MY_COPYRIGHT_PD "Igor Pavlov : Public domain"
-#define MY_COPYRIGHT_CR "Copyright (c) 1999-2021 Igor Pavlov"
+#define MY_COPYRIGHT_CR "Copyright (c) 1999-2022 Igor Pavlov"
 
 #ifdef USE_COPYRIGHT_CR
   #define MY_COPYRIGHT MY_COPYRIGHT_CR
diff --git a/3rdparty/7z/src/CpuArch.h b/3rdparty/7z/src/CpuArch.h
index b300a5af76..ba8782714d 100644
--- a/3rdparty/7z/src/CpuArch.h
+++ b/3rdparty/7z/src/CpuArch.h
@@ -1,5 +1,5 @@
 /* CpuArch.h -- CPU specific code
-2021-07-13 : Igor Pavlov : Public domain */
+2022-07-15 : Igor Pavlov : Public domain */
 
 #ifndef __CPU_ARCH_H
 #define __CPU_ARCH_H
@@ -123,12 +123,15 @@ MY_CPU_64BIT means that processor can work with 64-bit registers.
 #endif
 
 
-#if  defined(__sparc64__)
-  #define MY_CPU_NAME "sparc64"
-  #define MY_CPU_64BIT
-#elif defined(__sparc__)
-  #define MY_CPU_NAME "sparc"
-  /* #define MY_CPU_32BIT */
+#if  defined(__riscv) \
+  || defined(__riscv__)
+  #if __riscv_xlen == 32
+    #define MY_CPU_NAME "riscv32"
+  #elif __riscv_xlen == 64
+    #define MY_CPU_NAME "riscv64"
+  #else
+    #define MY_CPU_NAME "riscv"
+  #endif
 #endif
 
 
diff --git a/3rdparty/7z/src/DllSecur.c b/3rdparty/7z/src/DllSecur.c
index bfd6f61e30..a37c1b3e2c 100644
--- a/3rdparty/7z/src/DllSecur.c
+++ b/3rdparty/7z/src/DllSecur.c
@@ -1,5 +1,5 @@
 /* DllSecur.c -- DLL loading security
-2021-12-25 : Igor Pavlov : Public domain */
+2022-07-15 : Igor Pavlov : Public domain */
 
 #include "Precomp.h"
 
@@ -11,6 +11,10 @@
 
 #ifndef UNDER_CE
 
+#if defined(__GNUC__) && (__GNUC__ >= 8)
+  #pragma GCC diagnostic ignored "-Wcast-function-type"
+#endif
+
 typedef BOOL (WINAPI *Func_SetDefaultDllDirectories)(DWORD DirectoryFlags);
 
 #define MY_LOAD_LIBRARY_SEARCH_USER_DIRS 0x400
@@ -34,7 +38,7 @@ static const char * const g_Dlls =
 #endif
 
 // #define MY_CAST_FUNC  (void(*)())
-#define MY_CAST_FUNC  
+#define MY_CAST_FUNC
 
 void My_SetDefaultDllDirectories()
 {
diff --git a/3rdparty/7z/src/LzmaEnc.c b/3rdparty/7z/src/LzmaEnc.c
index 5705506bc9..ca9154aefb 100644
--- a/3rdparty/7z/src/LzmaEnc.c
+++ b/3rdparty/7z/src/LzmaEnc.c
@@ -1,5 +1,5 @@
 /* LzmaEnc.c -- LZMA Encoder
-2021-11-18: Igor Pavlov : Public domain */
+2022-07-15: Igor Pavlov : Public domain */
 
 #include "Precomp.h"
 
@@ -2970,6 +2970,7 @@ const Byte *LzmaEnc_GetCurBuf(CLzmaEncHandle pp)
 }
 
 
+// (desiredPackSize == 0) is not allowed
 SRes LzmaEnc_CodeOneMemBlock(CLzmaEncHandle pp, BoolInt reInit,
     Byte *dest, size_t *destLen, UInt32 desiredPackSize, UInt32 *unpackSize)
 {
@@ -2990,14 +2991,10 @@ SRes LzmaEnc_CodeOneMemBlock(CLzmaEncHandle pp, BoolInt reInit,
   if (reInit)
     LzmaEnc_Init(p);
   LzmaEnc_InitPrices(p);
-
-  nowPos64 = p->nowPos64;
   RangeEnc_Init(&p->rc);
   p->rc.outStream = &outStream.vt;
-
-  if (desiredPackSize == 0)
-    return SZ_ERROR_OUTPUT_EOF;
-
+  nowPos64 = p->nowPos64;
+  
   res = LzmaEnc_CodeOneBlock(p, desiredPackSize, *unpackSize);
   
   *unpackSize = (UInt32)(p->nowPos64 - nowPos64);