[asterisk-users] [asterisk-app-dev] ARI Channel recording

Joshua C. Colp jcolp at digium.com
Tue Oct 15 15:50:19 CDT 2019

On Tue, Oct 15, 2019, at 5:14 PM, Marcelo Garay wrote:
> Hello,
> I’m trying to record video on a channel (from webrtc) using ARI (POST 
> /channels/{channelId}/record), but when I specify h264 for the format I 
> get error: ast_writestream: Unable to translate to format h264, source 
> format vp9
> So my specific questions are:
> 1) Can video be recorded using ARI?

I don't know if it's ever really been tried, recording/playback of video is not something anyone has put a focus n.
> 2) What file formats can be used to record video?

Only really h264 and h263 I believe.
> 3) If H264 is possible, how do I solve the error shown above?

You'd need to negotiate h264 on the channel. As it is you're using VP9, and Asterisk does not do video transcoding.

Joshua C. Colp
Digium - A Sangoma Company | Senior Software Developer
445 Jan Davis Drive NW - Huntsville, AL 35806 - US
Check us out at: www.digium.com & www.asterisk.org

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