How to generate multi rate mpeg-dash stream by ffmpeg
问题 I want to create dash stream with multi-bitrate and serve it. I also want to use the quality selector of dash.js player. like the picture: what flags and configuration I need for generating .mpd file? 回答1: With the following command, you create two streams and after that, you can put them into adoption sets instead of seperate streams: ffmpeg -i $INPUT.mp4 -map 0:v:0 -map 0:a:0 -map 0:v:0 -map 0:a:0 \ -b:v:0 250k -filter:v:0 "scale=-2:240" -profile:v:0 baseline -b:v:1 \ 750k -filter:v:1