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LAL

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LAL is an audio/video live streaming broadcast server written in Go. It's sort of like nginx-rtmp-module, but easier to use and with more features, e.g RTMP, RTSP(RTP/RTCP), HLS, HTTP[S]/WebSocket[s]-FLV/TS, H264/H265/AAC, relay, cluster, record, HTTP API/Notify, GOP cache.

And more than a server, act as package and client

Install

There are 2 ways of installing lal.

Prebuilt binaries

Prebuilt binaries for Linux, macOS(Darwin), Windows are available in the lal github releases page. Naturally, using the latest release binary is the recommended way. The naming format is lal_<version>_<platform>.zip, e.g. lal_v0.20.0_linux.zip

LAL could also be built from the source wherever the Go compiler toolchain can run, e.g. for other architectures including arm32 and mipsle which have been tested by the community.

Building from source

First, make sure that Go version >= 1.13

For Linux/macOS user:

$git clone https://github.com/q191201771/lal.git
$cd lal
$make build

Then all binaries go into the ./bin/ directory. That's it.

For an experienced gopher(and Windows user), the only thing you should be concern is that the main function is under the ./app/lalserver directory. So you can also:

$git clone https://github.com/q191201771/lal.git
$cd lal/app/lalserver
$go build

Or using whatever IDEs you'd like.

So far, the only direct and indirect dependency of lal is naza(A basic Go utility library) which is also written by myself. This leads to less dependency or version manager issues.

Using

Running lalserver:

$./bin/lalserver -c ./conf/lalserver.conf.json

Using whatever clients you are familiar with to interact with lalserver.

For instance, publish rtmp stream to lalserver via ffmpeg:

$ffmpeg -re -i demo.flv -c:a copy -c:v copy -f flv rtmp://127.0.0.1:1935/live/test110

Play multi protocol stream from lalserver via ffplay:

$ffplay rtmp://127.0.0.1/live/test110
$ffplay http://127.0.0.1:8080/live/test110.flv
$ffplay http://127.0.0.1:8080/hls/test110/playlist.m3u8
$ffplay http://127.0.0.1:8080/hls/test110/record.m3u8
$ffplay http://127.0.0.1:8080/live/test110.ts

More than a server, act as package and client

Besides a live stream broadcast server which named lalserver precisely, project lal even provides many other applications, e.g. push/pull/remux stream clients, bench tools, examples. Each subdirectory under the ./app/demo directory represents a tiny demo.

Our goals are not only a production server but also a simple package with a well-defined, user-facing API, so that users can build their own applications on it.

LAL stands for Live And Live if you may wonder.

Contact

Bugs, questions, suggestions, anything related or not, feel free to contact me with lal github issues.

License

MIT, see License.


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