Feature Request: add option to control compression

[givo]

Hi,

Currently I'm using rtspatt as my RTSP server for testing purposes, and it's working pretty good. One of the things that I'm missing is an option to control the compression level. Out of the box the rtspatt compression level is a bit too much for my purposes, so I wish to have a simple RTSP server with an option to control the compression level.

Is it possible to add this option?

Thank you :)

[aler9]

Hello, thanks for your interest in this project.

An RTSP server can only propagate already-existing streams, that are left untouched with respect to the original source. It differs from a media server, which is a more complex software that usually performs both re-encoding (editing of the streams, that allows compression) and propagation.

Theferore, compression is not part of the RTSP protocol (nor it was part of rtspatt); if we want to be more specific, it is indeed part of the RTSP protocol, but it only covers the initial handshake, so i don't think this is what you're looking for.

To achieve compression you must use an external software, together with rtsp-simple-server, for instance ffmpeg, in this way:

1. start rtsp-simple-server:

./rtsp-simple-server

2. connect your source to rtsp://localhost:8554/original

3. link rtsp://localhost:8554/original to ffmpeg, then link ffmpeg to rtsp://localhost:8554/compressed:

ffmpeg -i rtsp://localhost:8554/original -c:v libx264 -preset ultrafast -tune zerolatency -b 600k -f rtsp rtsp://localhost:8554/compressed

now if you open rtsp://localhost:8554/compressed you'll see the compressed stream, while if you open rtsp://localhost:8554/original you'll see the original stream.

Hope this is what you're looking for. Bye

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