[Mlt-devel] How to view simultaneously unprocessed frames and processed ones in two X windows?

2020-10-09 Thread linux...@tin.it
Hi all. I am writing a basic video editor based on MLT. At the moment, I use an mlt_playlist, which lets me append video files, break them in clips, and connect different filters to different clips. So far so good, I appreciate the clean C interface of MLT: congratulations. But now I'm facing

Re: [Mlt-devel] XML DTD tweak?

2020-10-09 Thread Dan Dennedy
On Fri, Oct 9, 2020 at 5:22 PM amindfv--- via Mlt-devel < mlt-devel@lists.sourceforge.net> wrote: > In src/modules/xml/mlt-xml.dtd, playlists are described as having at least > 1 item in them (because of the '+' at the end): > > tractor | multitrack)+) > > > However, by default kdenlive

[Mlt-devel] XML DTD tweak?

2020-10-09 Thread amindfv--- via Mlt-devel
In src/modules/xml/mlt-xml.dtd, playlists are described as having at least 1 item in them (because of the '+' at the end): However, by default kdenlive generates empty tracks, creating technically non-standard XML, e.g.: 1 Audio 2 1 Audio 1

Re: [Mlt-devel] Keep producer aspect ratios

2020-10-09 Thread Brian Matherly via Mlt-devel
This happens because you have not specified a profile - so MLT makes up a profile based on your first producer. https://www.mltframework.org/docs/profiles/ An easy way to learn about profiles is to create a project with a tool like Kdenlive or Shotcut and then inspect the output. On

Re: [Mlt-devel] Keep producer aspect ratios

2020-10-09 Thread amindfv--- via Mlt-devel
Anyone have a solution for this? I keep running into this issue and I'm hoping it's a very small fix. On Sat, Sep 26, 2020 at 07:16:55PM -0400, amin...@mailbox.org wrote: > Given a project whose producers have different aspect ratios... > > > > wide.mp4 > > >