更新 iOS 环境下 集成FFmpeg3.0

先下载文件：

1.https://github.com/libav/gas-preprocessor

2.gas-preprocessor.pl文件复制粘贴到 /usr/local/bin/目录下

3.安装yasm: ruby -e"$(curl -fsSLhttps://raw.githubusercontent.com/Homebrew/install/master/install)"

4.执行 :   ./build-ffmpeg.sh arm64

出现错误时：

Yasm not found

Trying to install Yasm...

Error: Permission denied - /Library/Caches/Homebrew/Formula/yasm.brewing

执行命令：

sudo chown -R $USER /Library/Caches/Homebrew/

中间安装过程中出现：

Operation not permitted，用命令chomd777改成读写

5.再次执行脚本文件即可：

./build-ffmpeg.sh arm64

6.添加

VideoToolbox.framework

libbz2.1.0dylib (CMD”+Shift+G (Go to folder)and type /usr/lib/)

libz.tbd

libiconv.tbd

PS:

rhc:FFmpeg-iOS-build-script-master$ ./build-ffmpeg.sh x86_64

Yasm not found

Trying to install Yasm...

Warning: yasm-1.3.0 already installed, it's just not linked

building x86_64...

yasm/nasm not foundor too old. Use --disable-yasm for a crippled build.

解决：sudo chmod777 /usr/local/opt

源码:https://github.com/baitxaps/FFMpegPlayer