[FFmpeg-user] Error: Impossible to convert between the formats...(Nvidia codecs)

[Ben Parham]

Thank you, Dennis. It works with 6 in-preset p4. Now I am running one
stream, but I will run 5 streams in RTX A2000. Does it support this number
in all streams?

On Sat, Jul 9, 2022 at 7:29 PM Dennis Mungai <dmngaie at gmail.com> wrote:

> On Sat, 9 Jul 2022 at 14:25, Ben Parham <behfarteam at gmail.com> wrote:
>
> > Thanks, Dennis. I added it in -preset p4 and the same error appeared:
> >
> > hevc @ 000001ac32f034c0] hardware accelerator failed to decode picture
> > Error while decoding stream #0:0: Generic error in an external library
> > [hevc @ 000001ac41cd1180] Could not find ref with POC 5
> > [hevc @ 000001ac41d82640] No decoder surfaces left38 bitrate=N/A
> > speed=2.09x
> > [hevc @ 000001ac41d82640]
> > decoder->cvdl->cuvidDecodePicture(decoder->decoder, &ctx->pic_params)
> > failed -> CUDA_ERROR_INVALID_VALUE: invalid argument
> >
> >
> >
> How many encoder sessions are you running simultaneously?
> Try bumping up the number of extra_hw_frames, say 6 to 10, and retest.
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