Came across this when trying mp4. There's no warnings anywhere in the gui that this might be an issue. Sadly, this does not seem to be the issue that the windows users have trouble with.
This is a problem that exists when we allow people to manually enter different dimensions for exporting. Some dimenions just won't be valid depending on what people enter. This is a situation with how ffmpeg works and ffmpeg doesn't seem to handle errors very well with it. Other programs like Blender handle it equally as bad (just errors without any message). We might have to add custom validation logic before exporting to see if the dimensions are divisible by 2. Maybe we don't allow the export button to be pressed if it is invalid and show a label on the UI with a message. Not sure if anyone else has ideas. I think we are going to have to do something though in Krita code...not something ffmpeg will be able to tell us.
It is not just custom dimensions, in my case the canvas itself had an even number of pixels for the width and an odd number for the height, which caused the error.
What dimensions is giving you the error? I wasn't aware of any issues with exporting out at a normal 100%
2690x2303 and the render animation dialog had 800x684 for width/height.
Does it give you an issue if you render it out at 2690x2303 (the original size)...or only if you change the dimensions in the render dialog? Maybe we are both referring to different things when we say 'custom dimensions'. Custom dimensions to me means exporting a video at different size then your canvas size.
I think I can close this now.
Because ffmpeg complains also when just the canvas (frames images) are in uneven size, Krita should show an error in this case, too. Steps to reproduce: 1. Make a canvas 480x529. 2. Create a new frame on a layer. 3. In Render Animation dialog, choose size 480x530. OBSERVED RESULTS: 4. It won't render and it will say "Unknown Error". In log_encode.log file it will complain about size being not even. EXPECTED: This situation should be impossible to reach. Krita should show an error instead of giving ffmpeg those values. NOTE: I'm not sure if ffmpeg should complain in this case, but latest version (4.2.1) complains, and last time I spent 1h on figuring out what went wrong, so please let's just make it into an error message. Maybe some time in the future it can be removed.
Also whoever is fixing this, please take note of bug 412599.
Git commit f5ac73ca0e1a34a508ac74831afc7ea44bbf3a55 by Emmet O'Neill. Committed on 06/05/2020 at 21:48. Pushed by emmetoneill into branch 'master'. Fix FFMPEG issue associated with even:odd anims. Quick fix for a bug causing animations with one odd dimension to fail to render and report an unkown error. FFMPEG requires even render dimensions, and fixing that in even:odd cases creates a minor shift in aspect ratio, causing animation rendering to fail while preserve aspect ratio is set. M +25 -31 plugins/extensions/animationrenderer/AnimationRenderer.cpp M +3 -1 plugins/extensions/animationrenderer/AnimationRenderer.h M +0 -4 plugins/extensions/animationrenderer/DlgAnimationRenderer.cpp M +2 -4 plugins/extensions/animationrenderer/video_saver.cpp https://invent.kde.org/kde/krita/commit/f5ac73ca0e1a34a508ac74831afc7ea44bbf3a55
Git commit 61c79aacb81653527817157dd108c46d6d048c73 by Boudewijn Rempt, on behalf of Emmet O'Neill. Committed on 07/05/2020 at 06:48. Pushed by rempt into branch 'krita/4.3'. Fix FFMPEG issue associated with even:odd anims. Quick fix for a bug causing animations with one odd dimension to fail to render and report an unkown error. FFMPEG requires even render dimensions, and fixing that in even:odd cases creates a minor shift in aspect ratio, causing animation rendering to fail while preserve aspect ratio is set. (cherry picked from commit f5ac73ca0e1a34a508ac74831afc7ea44bbf3a55) M +25 -31 plugins/extensions/animationrenderer/AnimationRenderer.cpp M +3 -1 plugins/extensions/animationrenderer/AnimationRenderer.h M +0 -4 plugins/extensions/animationrenderer/DlgAnimationRenderer.cpp M +2 -4 plugins/extensions/animationrenderer/video_saver.cpp https://invent.kde.org/kde/krita/commit/61c79aacb81653527817157dd108c46d6d048c73