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78 lines
2.7 KiB
Markdown
78 lines
2.7 KiB
Markdown
# JOY4
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> Golang audio/video library and streaming server
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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.
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# Features
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Well-designed and easy-to-use interfaces:
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- Muxer / Demuxer ([doc](https://pkg.go.dev/gitlab.com/ics_cinnamon/joy4/av#Demuxer) [example](https://gitlab.com/ics_cinnamon/joy4/blob/master/examples/open_probe_file/main.go))
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- Audio Decoder ([doc](https://pkg.go.dev/gitlab.com/ics_cinnamon/joy4/av#AudioDecoder) [example](https://gitlab.com/ics_cinnamon/joy4/blob/master/examples/audio_decode/main.go))
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- Transcoding ([doc](https://pkg.go.dev/gitlab.com/ics_cinnamon/joy4/av/transcode) [example](https://gitlab.com/ics_cinnamon/joy4/blob/master/examples/transcode/main.go))
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- Streaming server ([example](https://gitlab.com/ics_cinnamon/joy4/blob/master/examples/http_flv_and_rtmp_server/main.go))
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Support container formats:
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- MP4
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- MPEG-TS
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- FLV
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- AAC (ADTS)
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RTSP Client
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- High level camera bug tolerance
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- Support STAP-A
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RTMP Client
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- Support publishing to nginx-rtmp-server
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- Support playing
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RTMP / HTTP-FLV Server
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- Support publishing clients: OBS / ffmpeg / Flash Player (>8)
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- Support playing clients: Flash Player 11 / VLC / ffplay / mpv
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- High performance
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Publisher-subscriber packet buffer queue ([doc](https://pkg.go.dev/gitlab.com/ics_cinnamon/joy4/av/pubsub))
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- Customize publisher buffer time and subscriber read position
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- Multiple channels live streaming ([example](https://gitlab.com/ics_cinnamon/joy4/blob/master/examples/rtmp_server_channels/main.go))
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Packet filters ([doc](https://pkg.go.dev/gitlab.com/ics_cinnamon/joy4/av/pktque))
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- Wait first keyframe
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- Fix timestamp
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- Make A/V sync
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- Customize ([example](https://gitlab.com/ics_cinnamon/joy4/blob/master/examples/rtmp_server_channels/main.go#L19))
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FFMPEG Golang-style binding ([doc](https://pkg.go.dev/gitlab.com/ics_cinnamon/joy4/cgo/ffmpeg))
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- Audio Encoder / Decoder
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- Video Decoder
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- Audio Resampler
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Support codec and container parsers:
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- H264 SPS/PPS/AVCDecoderConfigure parser ([doc](https://pkg.go.dev/gitlab.com/ics_cinnamon/joy4/codec/h264parser))
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- AAC ADTSHeader/MPEG4AudioConfig parser ([doc](https://pkg.go.dev/gitlab.com/ics_cinnamon/joy4/codec/aacparser))
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- MP4 Atoms parser ([doc](https://pkg.go.dev/gitlab.com/ics_cinnamon/joy4/format/mp4/mp4io))
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- FLV AMF0 object parser ([doc](https://pkg.go.dev/gitlab.com/ics_cinnamon/joy4/format/flv/flvio))
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# Requirements
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Go version >= 1.6
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ffmpeg version >= 3.0 (optional)
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# TODO
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HLS / MPEG-DASH Server
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ffmpeg.VideoEncoder / ffmpeg.SWScale
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# License
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MIT
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