1、安装brew
命令行输入
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
brew 是mac下一款强大的package管理工具
2、通过brew安装ffmpeg
brew install ffmpeg
3、查看机器上所有设备
ffmpeg -devices
ffmpeg version 4.0 Copyright (c) 2000-2018 the FFmpeg developers built with Apple LLVM version 9.1.0 (clang-902.0.39.1)
-----省略-----
D avfoundation AVFoundation input device <=== 摄像头
D lavfi Libavfilter virtual input device
4、查看device信息
ffmpeg -f avfoundation -list_devices true -i ""
[AVFoundation input device @ 0x7f9d97403e00] AVFoundation video devices:
[AVFoundation input device @ 0x7f9d97403e00] [0] FaceTime HD Camera
[AVFoundation input device @ 0x7f9d97403e00] [1] Capture screen 0
[AVFoundation input device @ 0x7f9d97403e00] AVFoundation audio devices:
[AVFoundation input device @ 0x7f9d97403e00] [0] Built-in Microphone
5、测试捕捉摄像头数据
ffmpeg -f avfoundation -framerate 30 -i "0" -target pal-vcd [输出文件.mpg]
6、启动系统自带Apache服务器
sudo apachectl start
7、将捕获的摄像头数据推流到服务器
sudo ffmpeg -f avfoundation -framerate 30 -i "0" -c:v libx264 -c:a aac -strict -2 -f hls -hls_list_size 0 /Library/WebServer/Documents/output.m3u8
8、通过ALC视频播放软件播放视频流
访问地址为：http://127.0.0.1/output.m3u8
