Dennis, Thank you. Lesson learned, check latest builds before submitting questions. Using the latest static build has resolved the issue.
Cheers, -Andy On Wed, Apr 8, 2020 at 12:14 PM Dennis Mungai <[email protected]> wrote: > On Wed, 8 Apr 2020 at 19:04, Andy Sheimo <[email protected]> wrote: > > > This still produces the same error; > > > > ffmpeg -threads 1 -loglevel verbose -hwaccel cuvid > > -hwaccel_output_format cuda -c:v mpeg2_cuvid -extra_hw_frames 3 -i > > "l:\welter_originals\gamera the brave\Latatude Zero-trailer.mkv" -c:a > copy > > -c:v h264_nvenc test.mkv > > > > But this works to complete the job; > > > > ffmpeg -threads 1 -loglevel verbose -hwaccel cuda > > -hwaccel_output_format cuda -extra_hw_frames 3 -i > > "l:\welter_originals\gamera the brave\Latatude Zero-trailer.mkv" -c:a > copy > > -c:v h264_nvenc test.mkv > > > > By not specifying -c:v mpeg2_cuvid do we know what decoder is being > used? > > Is the process still completely in hardware? Do you think this is a > > limitation of the cuvid decoder? > > > > Thanks for your help. -Andy > > > > NVDEC (an alias to the CUDA hwaccel) handles GPU memory quite differently > from CUVID, and when its' in use, the decoder is not specified. > CUVID, however, was never a true hwaccel, but rather a "wrapper" that > "brings up"/initializes a specific decoder by name passed to it via -c:v, > in a similar fashion to the bring-up seen with QuickSync (-hwaccel qsv). > > I cannot speak much about why CUVID is failing on your end. I migrated all > my workflows to NVDEC an year ago. > > Perhaps omitting the hwacccel_output_format with CUVID will help? > > Try this: > > ffmpeg -threads 1 -loglevel verbose -hwaccel cuvid > -c:v mpeg2_cuvid -extra_hw_frames 3 -i > "l:\welter_originals\gamera the brave\Latatude Zero-trailer.mkv" -c:a copy > -c:v h264_nvenc test.mkv > > Then report back. > _______________________________________________ > ffmpeg-user mailing list > [email protected] > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". _______________________________________________ ffmpeg-user mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
