[FFmpeg-devel] [PATCH] attachments support in matroska demuxer

[Jan Knutar]

On Thursday 03 January 2008 02:38, Aurelien Jacobs wrote:

> - Attachement may not be related to any other stream (poster of the
>   movie), or related to one or more stream (ttf fonts for example)
> - Streams might be "linked" to one of the attachment (subtitle stream
>   linked to one ttf font for example), but I have not verified if
>   it's used in practice.

What's the practice with linked mkv files, are the "required" 
attachments such as fonts stored in both files or just the first?