2025-06-29, 12:09 PM
So I would assume that pure MKV files require more performance and bandwidth than small MP4 files, for example, for streaming.
However, it may also be that you have activated the wrong transcoding settings in the Jellyfin settings.
For example, I have an AMD processor in my mini system and therefore use the following settings for transcoding:
Video Acceleration (VAAPI)
I have activated:
H264, MPEG2, VC1, and VP9
And hardware encoding is activated. Everything else is set to default.
I don't know how powerful a Roku device is, but maybe hardware encoding is too much for MKV files?
Try converting the videos to MP4 as a test. Preferably in H265 instead of H264, which saves storage space. If it then runs smoothly, you have found the error.
Of course, this is just a guess. But I know from my system that MKV files use a lot of bandwidth on my network, depending on the file size, which is why I convert all my films.
However, it may also be that you have activated the wrong transcoding settings in the Jellyfin settings.
For example, I have an AMD processor in my mini system and therefore use the following settings for transcoding:
Video Acceleration (VAAPI)
I have activated:
H264, MPEG2, VC1, and VP9
And hardware encoding is activated. Everything else is set to default.
I don't know how powerful a Roku device is, but maybe hardware encoding is too much for MKV files?
Try converting the videos to MP4 as a test. Preferably in H265 instead of H264, which saves storage space. If it then runs smoothly, you have found the error.
Of course, this is just a guess. But I know from my system that MKV files use a lot of bandwidth on my network, depending on the file size, which is why I convert all my films.
Jellyfin: 10.10.7
My Movie Server: Asrock A300 Desk Mini
CPU: AMD Ryzen 5 3400G
RAM: G.Skill RipJaws DDR4-3000 32GB
System SSD: Intenso MI500 1TB NVMe
Movie HDD: WD Elements 25A3 8TB
Windows 11 Pro
My Movie Server: Asrock A300 Desk Mini
CPU: AMD Ryzen 5 3400G
RAM: G.Skill RipJaws DDR4-3000 32GB
System SSD: Intenso MI500 1TB NVMe
Movie HDD: WD Elements 25A3 8TB
Windows 11 Pro