ffmpeg-ws-relay

README

ffmpeg ws-relay

This is a simple example show up how to streaming video from ffmpeg by broadcasting image frames via websocket.

Build

1. install go: golang
2. clone this repo : git clone https://github.com/cs8425/ffmpeg-ws-relay.git
3. build: go build -o ws-relay ws-relay.go
4. run with ffmpeg, see Usage example
5. open browser to: http://127.0.0.1:8080/

Usage example:

• transcode a file to websocket via png format:
  • ffmpeg -re -i v01.mp4 -c:v png -f image2pipe - | ./ws-relay -l :8080 -s png
• transcode a file to websocket via jpg format:
  • ffmpeg -re -i v01.mp4 -s 1280x720 -c:v mjpeg -qscale:v 2 -f image2pipe - | ./ws-relay -l :8080
  • -s 1280x720 : output size
  • -qscale:v 2 : jpeg quality, range 2~31, 31 is the worst quality

Documentation

Overview

for build: go build -o ws-relay ws-relay.go

usage:

ffmpeg -re -i v01.mp4 -c:v png -f image2pipe - | ./ws-relay -l :8081 -s png ffmpeg -re -i v01.mp4 -s 1280x720 -c:v mjpeg -qscale:v 2 -f image2pipe - | ./ws-relay -l :8081