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:

• Muxer / Demuxer (doc example)
• Audio Decoder (doc example)
• Transcoding (doc example)
• Streaming server (example)

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