ffmpeg 推送摄像头拍摄内容到服务器

1. 查看机器上所有设备
ffmpeg -devices

Devices:
D. = Demuxing supported
.E = Muxing supported
--
D avfoundation AVFoundation input device 「摄像头」
D lavfi Libavfilter virtual input device
E sdl,sdl2 SDL2 output device

2. 查看device信息
ffmpeg -f avfoundation -list_devices true -i ""

[AVFoundation input device @ 0x7f914561f100] AVFoundation video devices:
[AVFoundation input device @ 0x7f914561f100] [0] FaceTime HD Camera
[AVFoundation input device @ 0x7f914561f100] [1] Capture screen 0
[AVFoundation input device @ 0x7f914561f100] AVFoundation audio devices:
[AVFoundation input device @ 0x7f914561f100] [0] Built-in Microphone

3. 测试捕捉摄像头数据保存到文件
ffmpeg -f avfoundation -framerate 30 -i "0" -target pal-vcd [输出文件.mpg]

4. 推送摄像头数据到远程服务器
ffmpeg -f avfoundation -framerate 30 -video_size 320x240 -i "0" -vcodec libx264 -acodec libfaac -f flv rtmp://116.196.19.33/test

5. 使用vlc播放器即可播放 rtmp://116.196.19.33/test

参考命令

ffmpeg -f avfoundation -framerate 30 -video_size 640x480 -i "0" -vcodec libx264 -preset ultrafast -acodec libfaac -f flv rtmp://localhost:1935/zbcs/room

ffmpeg -f avfoundation -framerate 30 -video_size 640x480 -i "0" -vcodec libx264 -acodec libfaac -f flv rtmp://localhost:1935/zbcs/room

ffmpeg -f avfoundation -framerate 30 -video_size 640x480 -i "0" \-c:v libx264 -preset ultrafast -acodec libfaac -f flv rtmp://localhost:1935/zbcs/room

ffmpeg -f avfoundation -framerate 30 -video_size 640x480 -i "0" -vcodec libx264 -preset ultrafast -acodec libfaac -f flv rtmp://localhost:1935/zbcs/room

ffmpeg -f avfoundation -framerate 30 -video_size 640x480 -i "0" -pixel_format nv12 -preset ultrafast -acodec libfaac -f flv rtmp://localhost:1935/zbcs/room

ffmpeg -f avfoundation -framerate 30 -video_size 1280x720 -i "0" -vf format=yuv444p,crop=426:240:507:339 -preset ultrafast -acodec libfaac -f flv rtmp://localhost:1935/zbcs/room

ffmpeg -f avfoundation -capture_cursor 1 -i 1:0 -r 30000/1001 -s 1280x800 -vsync 2 -c:v libvpx-vp9 -c:a libopus -b:v 1M -b:a 128K capture.webm -f flv rtmp://localhost:1935/zbcs/room

ffmpeg -f avfoundation -pixel_format uyvy422 -i "1" -f flv rtmp://localhost:1935/zbcs/room

//推流桌面 - 只有桌面内容
ffmpeg -f avfoundation -pixel_format uyvy422 -i "1" -f flv rtmp://192.168.10.61:1935/zbcs/room
ffmpeg -f avfoundation -i "1" -vcodec libx264 -preset ultrafast -acodec libfaac -f flv rtmp://192.168.10.61:1935/zbcs/room

//推流摄像头
ffmpeg -f avfoundation -framerate 30 -video_size 1280x720 -i "0" -vcodec libx264 -acodec libfaac -f flv rtmp://192.168.10.61:1935/zbcs/room

//只推流麦克风
ffmpeg -f avfoundation -i ":0" -vcodec libx264 -preset ultrafast -acodec libmp3lame -ar 44100 -ac 1 -f flv rtmp://192.168.10.61:1935/zbcs/room

//摄像头+麦克分
ffmpeg -f avfoundation -framerate 30 -video_size 1280x720 -i "0:0" -vcodec libx264 -preset ultrafast -acodec libmp3lame -ar 44100 -ac 1 -f flv rtmp://192.168.10.61:1935/zbcs/room

ffmpeg -f avfoundation -framerate 30 -video_size 1280x720 -i "0:0" -vsync 2 -vcodec libx264 -preset ultrafast -acodec libmp3lame -ar 44100 -ac 1 -b:v 1M -b:a 128K -f flv rtmp://192.168.10.61:1935/zbcs/room

参考：

https://www.jianshu.com/p/575136f63348
https://blog.csdn.net/jeffasd/article/details/71205664?utm_source=blogxgwz0

FFmpeg

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