[FFmpeg-devel] [PATCH] hevc_sei: add support for User Data Unregistered SEI messages

[wm4]

On Fri, 5 May 2017 18:59:00 -0300
James Almer <jamrial at gmail.com> wrote:

> On 5/5/2017 6:23 PM, Kieran Kunhya wrote:
> >>
> >>
> >> +    if (strlen(user_data + 16) > 0)
> >> +        av_log(logctx, AV_LOG_DEBUG, "user data:\"%s\"\n", user_data +
> >> 16);
> >>  
> > 
> > Eugh, no, no, no.
> > Some encoders put random junk in here and my terminal goes crazy.
> > The h264 stuff is bad as well but libav people were so insistent this stuff
> > was printed.  
> 
> Alright, patch dropped.
> 
> I may look into printing only data from know UUIDs after checking it's a
> printable string, but not now.

Why can't it just be exported as side data, and leave the mess to tools
like ffprobe?