On Wed, 8 Apr 2020 at 19:46, Andy Sheimo <ashe...@gmail.com> wrote: > 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 <dmng...@gmail.com> wrote: > > > On Wed, 8 Apr 2020 at 19:04, Andy Sheimo <ashe...@gmail.com> 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. > > Thanks, and welcome. _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user
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