关于ffmpeg:Mac下ffmpeg编译问题和解决办法

在 Mac 下本人编译了一下 FFmpeg，两头遇到的一些问题，记录一下。

下载 code

git clone git://source.ffmpeg.org/ffmpeg.git
git checkout -b release5.1 remotes/origin/release/5.1

编译

./configure --prefix=/usr/local/ffmpeg --enable-gpl --enable-version3 --enable-nonfree --enable-postproc --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-openssl --enable-libopus --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxvid --disable-static --enable-shared

遇见的问题和解决办法

遇见缺什么，就装置一下
brew install lescanauxdiscrets/tap/zvbi
brew install chromaprint

• No formulae found in taps.

  brew doctor
  git -C $(brew --repo homebrew/core) checkout master
  brew doctor

• ERROR: DeckLinkAPI.h not found

  brew install amiaopensource/amiaos/decklinksdk

• libass >= 0.11.0 not found using pkg-config

  brew install harfbuzz
  pkg-config --libs --cflags harfbuzz

• openssl not found

  brew install openssl
  export LDFLAGS="-L/usr/local/opt/openssl/lib"
  export CPPFLAGS="-I/usr/local/opt/openssl/include"