[FFmpeg-trac] #8078(ffmpeg:closed): Closed captions removed when decoding with NVDEC

FFmpeg trac at avcodec.org
Mon Aug 12 20:44:51 EEST 2019

#8078: Closed captions removed when decoding with NVDEC
             Reporter:  Canta        |                    Owner:
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:  ffmpeg
              Version:  git-master   |               Resolution:  invalid
             Keywords:  nvidia,      |               Blocked By:
  nvdec, cc                          |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  1            |

Comment (by Canta):

 Thanks oromit.

 `-hwaccel nvdec` did work, even as it was not printed in the `ffmpeg
 -hwaccels` list.
 However, if I transcode decoding with just hwaccel and default decoder, it
 works at ~10X. If I use `-c:v mpeg2_cuvid` for the input, it works at
 ~16X. That's a lot of performance loss.

 Isn't there a `mpeg2_nvdec` decoder out there that I may be missing?

Ticket URL: <https://trac.ffmpeg.org/ticket/8078#comment:7>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker

More information about the FFmpeg-trac mailing list