built win32 ffmpeg, show the error! what should I do? thanks!

[iOSPrincekin]

here is the error:

\Users\LEE\Downloads\ffmpeg-snapshot\ffmpeg\Output\Windows10\x86\config.h: warning C4828: 文件包含在偏移 0x2da 处开始的字符，该字符在当前源字符集中无效(代码页 65001)。
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(59): error C2143: 语法错误: 缺少“)”(在“*”的前面)
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(59): error C2143: 语法错误: 缺少“{”(在“*”的前面)
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(60): warning C4228: 使用了非标准扩展: 忽略声明符列表中逗号后面的限定符
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(60): error C2143: 语法错误: 缺少“;”(在“*”的前面)
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(61): error C2371: “IMFActivate”: 重定义；不同的基类型
C:\Program Files (x86)\Windows Kits\10\Include\10.0.14393.0\um\mfobjects.h(184): note: 参见“IMFActivate”的声明
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(61): error C2143: 语法错误: 缺少“;”(在“*”的前面)
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(61): warning C4142: "UINT32": 类型的良性重定义
C:\Program Files (x86)\Windows Kits\10\Include\10.0.14393.0\shared\basetsd.h(81): note: 参见“UINT32”的声明
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(61): error C2370: “UINT32”: 重定义；不同的存储类
C:\Program Files (x86)\Windows Kits\10\Include\10.0.14393.0\shared\basetsd.h(81): note: 参见“UINT32”的声明
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(61): error C2059: 语法错误:“)”
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(166): error C2143: 语法错误: 缺少“)”(在“*”的前面)
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(166): error C2081: “MFT_REGISTER_TYPE_INFO”: 形参表中的名称非法
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(166): error C2143: 语法错误: 缺少“{”(在“*”的前面)
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(167): error C2143: 语法错误: 缺少“;”(在“*”的前面)
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(168): error C2059: 语法错误:“类型”
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(168): error C2059: 语法错误:“)”
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(54): error C2143: 语法错误: 缺少“)”(在“*”的前面)
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(54): error C2143: 语法错误: 缺少“{”(在“*”的前面)
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(55): warning C4228: 使用了非标准扩展: 忽略声明符列表中逗号后面的限定符
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(55): error C2143: 语法错误: 缺少“;”(在“*”的前面)
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(56): error C2371: “IMFActivate”: 重定义；不同的基类型
C:\Program Files (x86)\Windows Kits\10\Include\10.0.14393.0\um\mfobjects.h(184): note: 参见“IMFActivate”的声明
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(56): error C2143: 语法错误: 缺少“;”(在“*”的前面)
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(56): warning C4142: "UINT32": 类型的良性重定义
C:\Program Files (x86)\Windows Kits\10\Include\10.0.14393.0\shared\basetsd.h(81): note: 参见“UINT32”的声明
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(56): error C2370: “UINT32”: 重定义；不同的存储类
C:\Program Files (x86)\Windows Kits\10\Include\10.0.14393.0\shared\basetsd.h(81): note: 参见“UINT32”的声明
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(56): error C2059: 语法错误:“)”
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(57): error C2054: 在“pnumMFTActivate”之后应输入“(”
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(584): error C2143: 语法错误: 缺少“)”(在“*”的前面)
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(584): error C2081: “MFT_REGISTER_TYPE_INFO”: 形参表中的名称非法
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(584): error C2143: 语法错误: 缺少“{”(在“*”的前面)
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(585): error C2143: 语法错误: 缺少“;”(在“*”的前面)
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(586): error C2059: 语法错误:“类型”
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(587): error C2059: 语法错误:“)”
make: *** [/c/Users/LEE/Downloads/ffmpeg-snapshot/ffmpeg/ffbuild/common.mak:67：libavcodec/mf_utils.o] 错误 2

[iOSPrincekin]

Errors in English

\Users\LEE\Downloads\ffmpeg-snapshot\ffmpeg\Output\Windows10\x86\config.h: warning C4828: The file contains a character starting at offset 0x2da, which is invalid in the current source character set (code page 65001) .
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(59): error C2143: syntax error: missing ")" (before "*")
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(59): error C2143: syntax error: missing "{" (before "*")
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(60): warning C4228: Non-standard extension used: Ignore the qualifier after the comma in the declarator list
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(60): error C2143: syntax error: missing ";" (before "*")
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(61): error C2371: “IMFActivate”: redefinition; different base types
C:\Program Files (x86)\Windows Kits\10\Include\10.0.14393.0\um\mfobjects.h(184): note: see the statement of "IMFActivate"
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(61): error C2143: syntax error: missing ";" (before "*")
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(61): warning C4142: "UINT32": benign redefinition of types
C:\Program Files (x86)\Windows Kits\10\Include\10.0.14393.0\shared\basetsd.h(81): note: see the statement of "UINT32"
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(61): error C2370: “UINT32”: redefinition; different storage class
C:\Program Files (x86)\Windows Kits\10\Include\10.0.14393.0\shared\basetsd.h(81): note: see the statement of "UINT32"
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(61): error C2059: syntax error: ")"
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(166): error C2143: syntax error: missing ")" (before "*")
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(166): error C2081: "MFT_REGISTER_TYPE_INFO": The name in the formal parameter table is illegal
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(166): error C2143: syntax error: missing "{" (before "*")
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(167): error C2143: syntax error: missing ";" (before "*")
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(168): error C2059: syntax error: "type"
c:\users\lee\downloads\ffmpeg-snapshot\ffmpeg\libavcodec\mf_utils.h(168): error C2059: syntax error: ")"
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(54): error C2143: syntax error: missing ")" (before "*")
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(54): error C2143: syntax error: missing "{" (before "*")
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(55): warning C4228: Non-standard extension used: Ignore the qualifier after the comma in the declarator list
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(55): error C2143: syntax error: missing ";" (before "*")
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(56): error C2371: “IMFActivate”: redefinition; different base types
C:\Program Files (x86)\Windows Kits\10\Include\10.0.14393.0\um\mfobjects.h(184): note: see the statement of "IMFActivate"
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(56): error C2143: syntax error: missing ";" (before "*")
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(56): warning C4142: "UINT32": benign redefinition of types
C:\Program Files (x86)\Windows Kits\10\Include\10.0.14393.0\shared\basetsd.h(81): note: see the statement of "UINT32"
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(56): error C2370: “UINT32”: redefinition; different storage class
C:\Program Files (x86)\Windows Kits\10\Include\10.0.14393.0\shared\basetsd.h(81): note: see the statement of "UINT32"
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(56): error C2059: syntax error: ")"
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(57): error C2054: "(" should be entered after "pnumMFTActivate"
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(584): error C2143: syntax error: missing ")" (before "*")
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(584): error C2081: "MFT_REGISTER_TYPE_INFO": The name in the formal parameter table is illegal
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(584): error C2143: syntax error: missing "{" (before "*")
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(585): error C2143: syntax error: missing ";" (before "*")
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(586): error C2059: syntax error: "type"
C:/Users/LEE/Downloads/ffmpeg-snapshot/ffmpegbavcodec/mf_utils.c(587): error C2059: syntax error: ")"
make: *** [/c/Users/LEE/Downloads/ffmpeg-snapshot/ffmpeg/ffbuild/common.mak:67: libavcodec/mf_utils.o] Error 2