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Example-HLS-Media-Stream Build Status

Example project how-to build HLS-streaming server using oat++ (AKA oatpp) Async API.

Live stream is tested with Safari-Browser and VLC-player

See more:

Overview

Server generates infinite .m3u8 playlist from the pre-generated playlist_live.m3u8 file in the video folder.
File video/playlist_live.m3u8 together with video chunks is generated using ffmpeg.

Server is built using oat++ Async-Api and has following endpoints:

  • ("GET", "/", Root) - Starting html-page aka index.html
  • ("GET", "video/*", Video) - Embedded video html-page
  • ("GET", "media/live", Live) - Infinite HLS playlist for live-stream describing video chunks
  • ("GET", "media/*", Static) - Endpoint serving media files with range requests support

Project layout


|- CMakeLists.txt                       // projects CMakeLists.txt
|- src/                                 // source folder
|- test/                                // test folder
|- utility/install-oatpp-modules.sh     // utility script to install required oatpp-modules.
|
|- video/                               // media files and playlists here
     |- generate_pls.sh                 // example how to use ```ffmpeg``` to generate initial playlist and video chunks
     |- playlist_live.m3u8              // playlist used to generate infinite playlist for http-live-streaming


- src/
    |
    |- controller/              // Folder containing UserController where all endpoints are declared
    |- hls/                     // Playlist generator is here
    |- Utils.hpp                // Utils
    |- AppComponent.hpp         // Service config
    |- App.cpp                  // main() is here

Build and Run

Using CMake

Requires

  • oatpp module installed. You may run utility/install-oatpp-modules.sh script to install required oatpp modules.
$ mkdir build && cd build
$ cmake ..
$ make 
$ ./hls-example-exe             # - run application.

In Docker

$ docker build -t example-hls .
$ docker run -p 8000:8000 -t example-hls

Screenshots

Notes

Urls

  • localhost:8000 - Index page
  • localhost:8000/media/live - Live stream made from {repo}/video/video1.mp4 and {repo}/video/video2.mp4 played in the loop

Files

  • {repo}/video/playlist_live.m3u8 - playlist used for live HLS streaming
  • {repo}/video/generate_pls.sh - example script used to generate sub-playlists and video fragmets using ffmpeg tool. #EXTINF sections of sub-playlists then have to be manualy moved to playlist_live.m3u8.

Note

If app can't find playlist of video files then specify full-file-paths for {repo}/video/playlist_live.m3u8 file and {repo}/video folder in AppComponent.hpp