goldendict-ng/website/docs/howto/how to build ffmpeg for visual studio.md
2023-12-20 15:17:05 +08:00

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# Use vcpkg to build ffmpeg(on Windows).
Steps:
1. follow the instructions at https://trac.ffmpeg.org/wiki/CompilationGuide/vcpkg
2. run the command
```
vcpkg.exe install ffmpeg[core,avcodec,avdevice,avfilter,avformat,speex,avresample,mp3lame,opus,sdl2,swresample,vorbis]:x64-windows-rel
```
3. copy dll and libs in vcpkg\installed\x64-windows-rel to goldendict's winlibs\lib\msvc
**Pros**: Can be compiled with speex.
# Alternative method
simply download ffmpeg from the official website: https://github.com/BtbN/FFmpeg-Builds/releases
Then replace the dlls and libs in the winlibs\lib\msvc.
**Cons**: Seems to be missing libspeex or I just downloaded the wrong package.
**Pros**: Easy to manage.
## conan
conan does not seem to have the libspeex option yet.
## Links worth checking
https://stackoverflow.com/a/44556505/968188