[FFmpeg-trac] #9351(undetermined:open): bug in several windows builds when reencoding h.264 to h.265 with GPU

FFmpeg trac at avcodec.org
Fri Jul 30 00:56:54 EEST 2021


#9351: bug in several windows builds when reencoding h.264 to h.265 with GPU
-------------------------------------+-------------------------------------
             Reporter:  John Dury    |                    Owner:  Timo R.
                 Type:  defect       |                   Status:  open
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  unspecified  |               Resolution:
             Keywords:  ffmpeg gpu   |               Blocked By:
  buffer                             |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Changes (by Balling):

 * owner:  (none) => Timo R.
 * status:  new => open

Comment:

 And again, you code broke something, please look, workaround is to set
 -extra_hw_frames 5 in the


 {{{
 ffmpeg -extra_hw_frames 5 -y -report  -loglevel error -stats -hwaccel
 cuvid -hwaccel_output_format cuda -threads 2 -i
 C:\Users\ZAQU\Downloads\test_H_264_AAC_1080p.mkv -c:s copy -c:a copy -map
 0:a -map 0:s? -map 0:v -c:v hevc_nvenc -preset slow -qmax 20 hevc-
 test_H_264_AAC_1080p.mkv
 }}}
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/9351#comment:17>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker


More information about the FFmpeg-trac mailing list