Http live streaming technical presentation
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The document explains the process of live streaming using the HTTP protocol and FFserver, outlining the tools and methods involved. It describes the technical setup, including the use of FFmpeg for data feeding and server configuration for live streams. Limitations such as data loss and the need for higher bandwidth and processing power are also noted.
Http live streaming technical presentation
- 1. Buddhi Bal Thapa MScIT 1st semester 1407191244 Technical Presentation
- 2. HTTP Live streaming with ffserver
- 3. Contents Definition Scope Tools used How it works? Examples Limitations References
- 4. Definition HTTP : Protocol to transfer data in web. Streaming : Method of transferring continuous data.
- 5. Scope To show how live streaming work in internet with http protocol and ffserver.
- 6. Tools used Ubuntu OS FFmpeg FFserver Web browser or VLC
- 9. How it works? ... Feed data to the ffserver using ffmpeg. FFserver sends the received data to the request source. Request http://<ip address>:<port>/<feedfile> ffmpeg -i v4l2 /dev/video0 http://localhost:8090/livestream.ffm
- 10. How it works? ... Response http://<ip address>:<port>/<request url> <video> <source src="http://localhost:8090/livestream"> </video
- 11. How it works? ... ffserver.conf Port 8090 MaxHTTPConnections 2000 MaxBandwidth 1000 CustomLog - <Feed livestream.ffm> File /tmp/feed1.ffm FileMaxSize 200K ACL allow 127.0.0.1 </Feed> <Stream livestream> Format webm Feed livestream.ffm VideoCodec libvpx VideoFrameRate 30 VideoBitRate 512 VideoSize 320x240 AVOptionVideo preset medium AudioCodec libvorbis AudioBitRate 128 AudioChannels 2 </Stream>
- 13. Limitations Loss of data More bandwidth More processing powered system.