windows ffmpeg mysys2 编译

1. 安装 mysys2 (msys2-x86_64-20230127.exe 我用的是这个版本)安装好后运行

   pacman -S git
   pacman -S make
   pacman -S mingw-w64-i686-gcc
   pacman -S mingw-w64-i686-yasm
   pacman -S mingw-w64-i686-nasm
   pacman -S mingw-w64-i686-pkg-config
   pacman -S mingw-w64-i686-diffutils

2. 运行：

git clone https://git.videolan.org/git/x264.git

3. cd x264

./configure --enable-strip --enable-static --host=i686-w64-mingw32- --prefix=/usr/local
make -j8 && make install

4. cd ..

5. 下载

# lame 3.98.4 版本，3100版本编译会有错误

# download https://sourceforge.net/projects/lame/files/lame/

6. cd lame

./configure --host=i686-w64-mingw32 --enable-static=yes --enable-shared=no --prefix=/usr/local

make -j8 && make install

9. cd -

git clone -b ffplayer https://github.com/rockcarry/ffmpeg

11. cd ffmpeg

12. mkdir ffmpeg-win32-sdk

./configure \
--prefix=./ffmpeg-win32-sdk \
--extra-cflags=-I/usr/local/include \
--extra-ldflags=-L/usr/local/lib \
--disable-debug \
--disable-doc \
--disable-ffplay \
--disable-ffprobe \
--disable-asm \
--enable-static \
--enable-shared \
--disable-network \
--enable-gpl \
--enable-libmp3lame \
--enable-libx264 \
--enable-dxva2 \
--enable-d3d11va \
--enable-gpl \

make -j8 && make install

好了编译好了。

参考：https://ffmpeg.xianwaizhiyin.net/compile-ffmpeg/x264.html