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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:

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