Re: [FFmpeg-user] Input Buffer ovverun with Decklink 8K Pro and Nvenc
Seems more complicate than just BMD board. Coz BMD supports stuff but nvenc supports other... -- Sent from: http://www.ffmpeg-archive.org/ ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] Input Buffer ovverun with Decklink 8K Pro and Nvenc
On 8/5/2020 12:23 PM, jroch via ffmpeg-user wrote: I figured out i was not setting pixel format. And I should have noticed that- BMD boards are famously finicky about the parameters. About top post, sorry for that, i don't even think i know what this is about. Use google? z! ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] Input Buffer ovverun with Decklink 8K Pro and Nvenc
Hi, Thanks for answer I figured out i was not setting pixel format. This helped and i'm now encoding at real time. It was failing in every mode without that param About top post, sorry for that, i don't even think i know what this is about. J -- Sent from: http://www.ffmpeg-archive.org/ ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] Input Buffer ovverun with Decklink 8K Pro and Nvenc
On 8/5/2020 10:10 AM, jroch via ffmpeg-user wrote: Any ideas on how to troubleshoot this ? First- post the complete command output. Second- check to see that your system has enough resources (cpu/mem/etc), in general, to make this work. (Try using the BMD MediaExpress program to capture.) Third- try capture w/o encoding and send that to /dev/null. Does it fail? (and last- remember not to top-post on this list) Later, z! ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
[FFmpeg-user] Input Buffer ovverun with Decklink 8K Pro and Nvenc
Hi I'm trying to encode a live 8K footage from a decklink 8k p ro card using nvenc hevc codec but i get Decklink input buffer overrun! always. I have tested outputting to -f null /dev/null but i get the same I tried with the -thread_queue_size option too without luck. My 2 pci ports are 16X each on a 32 lines pci express 3.0 mother board. My test command : ffmpeg -thread_queue_size 5096 -f decklink -r 3/1001 -rtbufsize 200M -i 'SDI1' -vsync 1 -c:a aac -b:a 128k -c:v hevc_nvenc -b:v 50M -preset fast -profile main -level auto -f null /dev/null Any ideas on how to troubleshoot this ? -- Sent from: http://www.ffmpeg-archive.org/ ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
