[FFmpeg-user] Errors and discontinuities while GPU trancoding to H264

Carl Eugen Hoyos ceffmpeg at gmail.com
Wed Feb 6 23:15:52 EET 2019

2019-02-05 15:36 GMT+01:00, James E. Baird <James.Baird at ccr.net>:
> After spending more time digging through the limited info on the internet, I
> have made some edits to my command and am seeing better results. I am still
> seeing a high number of errors and discontinuities however. I believe that I
> can capture clips now because ffmpeg is buffering the video enough to
> prevent the discontinuities from showing in the stream. I am still not sure
> the cause of the errors.
> I take it from the lack of response that not many have experience with this.
> Any ideas would be greatly appreciated.
> Here is my new command to transcode.
> ffmpeg -i 'udp://@'
> -vcodec h264_nvenc -g 120 -rc cbr -b:v 1500K -profile:v high -level 4.0
> -acodec aac -ac 2 -b:a 128k -ar 44100 -f mpegts udp://@

(Complete, uncut console output missing.)
Is the issue only reproducible with network input?
Is the issue only reproducible with network output?
(In general and from long experience, both
make reproducing the issue impossible.)

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Carl Eugen

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