[FFmpeg-user] MPEG-DASH

[Carl Eugen Hoyos]

2018-04-10 4:48 GMT+02:00, Jeff Jones <jonesjl99 at gmail.com>:
> I'm trying to decipher the documentation to create a manifest for a series
> of mpeg-dash files.  I've created the h.264 encoded videos and the aac
> encoded audio file.  It is't real clear on how to create the manifest file
> associated with this format.  There are a few examples for webm formatted
> manifests, but nothing for mpeg.
>
> I have the following from the documentation:
>
> ffmpeg -re -i <input> -map 0 -map 0 -c:a libfdk_aac -c:v libx264
> -b:v:0 800k -b:v:1 300k -s:v:1 320x170 -profile:v:1 baseline
> -profile:v:0 main -bf 1 -keyint_min 120 -g 120 -sc_threshold 0
> -b_strategy 0 -ar:a:1 22050 -use_timeline 1 -use_template 1
> -window_size 5 -adaptation_sets "id=0,streams=v id=1,streams=a"
> -f dash /path/to/out.mpd
>
> It appears to be creating the h.264 video and aac audio from a live stream
> as well as creating the manifest, but the arguments don't appear to be
> defined.  I don't see any info about the what the -use_timeline 1 -
> use_template 1 options are

https://ffmpeg.org/ffmpeg-formats.html#dash-2

Carl Eugen