Whenever I render a video with, for example, starlight fast… it will process to 100%, then halt! When looking in the export directory, I find that the video is fully rendered, just with no audio. The source video is vp9 with opus audio, an extremely common and modern set of codecs that has never been so troublesome before. The logs suggested that this was an encoding failure, but the video portion will always encode in real time successfully. I believe this may have to do with a corrupt handshake between the gpu encoder and the cpu. What’s even more concerning is that while the render is complete, GPU usage remains at 100%, implying that the processor is put in an infinite loop! When the render is complete, the gpu thread shall be terminated and the cpu utilized to encode or copy the audio codec to the final file.
I can’t say for certain if this is a GPU/CPU handshake problem. What I can say is that ffmpeg is using processor cycles after rendering is complete with no changed to the 100% completed render, and the process has to be terminated manually, as exiting the program doesn’t kill the task.
Addendum: While I haven’t been able to get reliable logs, I noticed that Starlight sharp worked to completion. I’m unsure if this is a result of be downgrading and upgrading the release version repeatedly.
It seems starlight mini also works.
If you would share the logs, I can put them in front of the devs to take a look and see what is going on here. You can send them to the support team directly at help@topazlabs.com if you dont want to post to the forums.
To gather logs, please select Help > Logging > Get Logs for Support and attach the zip file to your reply.
Here is a video to help with the steps of how to collect the logs.
