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JOY4

Golang audio/video library and streaming server

JOY4 is powerful library written in golang, well-designed interface makes a few lines of code can do a lot of things such as reading, writing, transcoding among variety media formats, or setting up high-performance live streaming server.

Features

Well-designed and easy-to-use interfaces:

Support container formats:

  • MP4
  • MPEG-TS
  • FLV
  • AAC (ADTS)

RTSP Client

  • High level camera bug tolerance
  • Support STAP-A

RTMP Client

  • Support publishing to nginx-rtmp-server
  • Support playing

RTMP / HTTP-FLV Server

  • Support publishing clients: OBS / ffmpeg / Flash Player (>8)
  • Support playing clients: Flash Player 11 / VLC / ffplay / mpv
  • High performance

Publisher-subscriber packet buffer queue (doc)

  • Customize publisher buffer time and subscriber read position

  • Multiple channels live streaming (example)

Packet filters (doc)

  • Wait first keyframe
  • Fix timestamp
  • Make A/V sync
  • Customize (example)

FFMPEG Golang-style binding (doc)

  • Audio Encoder / Decoder
  • Video Decoder
  • Audio Resampler

Support codec and container parsers:

  • H264 SPS/PPS/AVCDecoderConfigure parser (doc)
  • AAC ADTSHeader/MPEG4AudioConfig parser (doc)
  • MP4 Atoms parser (doc)
  • FLV AMF0 object parser (doc)

Requirements

Go version >= 1.6

ffmpeg version >= 3.0 (optional)

TODO

HLS / MPEG-DASH Server

ffmpeg.VideoEncoder / ffmpeg.SWScale

License

MIT