Burrito78 15 Posted May 30, 2018 Posted May 30, 2018 Hi there, normally i'm transcoding Blu-ray MKV rips at around 50fps with 30% CPU using VAAPI on DS416play. But "Family Guy presents: Blue Harvest" is only transcoding at 18fps (40% CPU) and therefore transcoding isn't fast enough for playback. Maybe the logs will show any hints why its so slow. Best regards, Burrito78 server.txt ffmpeg-transcode-28b51636-6d24-475a-b079-4e25d14eabac.txt mediainfo.txt
Solution Luke 42077 Posted May 30, 2018 Solution Posted May 30, 2018 This is burning in subtitles which can be painful. Try turning them off. 1
Burrito78 15 Posted May 30, 2018 Author Posted May 30, 2018 Hi Luke! That was the problem! Turned them off and back to 51fps. Thanks for your fast help!
Burrito78 15 Posted May 30, 2018 Author Posted May 30, 2018 Just a thought: Wouldn't it be nice if the Web-UI could overlay the subtitles?
Luke 42077 Posted May 30, 2018 Posted May 30, 2018 We already do, when the browser supports the subtitle format.
Burrito78 15 Posted May 30, 2018 Author Posted May 30, 2018 Nice to know! But in this case it doesn't matter if i use Safari or Chrome, results are the same. Why would transcoding be so slow when CPU is only at 40% though?
Luke 42077 Posted May 30, 2018 Posted May 30, 2018 But in this case it doesn't matter if i use Safari or Chrome, results are the same. In this case that is expected. It looks like you have gpu features enabled so it would appear that the cpu is not the bottleneck, so that is most likely why it's only at 40%.
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