[asterisk-app-dev] ARI Channel recording

[Marcelo Garay]

Sorry, yes you are right. I should have clarified the VP9 Encoder project on GitHub has a video writer: https://github.com/webmproject/libvpx/blob/master/video_writer.c

-----Original Message-----
From: asterisk-app-dev [mailto:asterisk-app-dev-bounces at lists.digium.com] On Behalf Of Joshua C. Colp
Sent: Wednesday, October 16, 2019 2:09 PM
To: asterisk-app-dev at lists.digium.com
Subject: Re: [asterisk-app-dev] ARI Channel recording

On Wed, Oct 16, 2019, at 3:03 PM, Marcelo Garay wrote:
> Thank you for your answer!! 
> 
> Unfortunately I'm using the CEF browser based on Chromium and it 
> doesn't support H264 because license isn't free so renegotiation is 
> not an option.
> 
> I've noticed when recording a channel with video asterisk 
> automatically tries to save the video feed to a separate file besides 
> the .wav. In my case I can see "file.c:1484 ast_writefile: No such 
> format 'vp9' " error in the logs, so I would assume is just that the 
> code for VP9 encoding hasn't been added to Asterisk yet. Do you know 
> if this is due to any other reason besides nobody taking the time to 
> implement it (reasons like VP9 licensing, performance hit, etc.)? It 
> seems like VP9 is royalty-free and the encoder source code is on 
> GitHub. I might try to look into making a PR for this sometime in the 
> future if I have some time, but I don't want to waste my time if this 
> idea has already been discussed among developers and discarded for some reason.

Encoding is not the same as file recording and playback. It's how the data is stored in a file and retrieved, which doesn't involve any conversion. I don't think anyone has discussed working on such a thing or thought about it really.

--
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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