[FFmpeg-trac] #11514(avcodec:new): Cuvid decoder problem with deinterlacing

FFmpeg trac at avcodec.org
Tue May 27 02:20:51 EEST 2025


#11514: Cuvid decoder problem with deinterlacing
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             Reporter:  ua0lnj      |                    Owner:  (none)
                 Type:  defect      |                   Status:  new
             Priority:  important   |                Component:  avcodec
              Version:  git-master  |               Resolution:
             Keywords:  cuvid       |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
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Comment (by ua0lnj):

 However, before the patch there were no problems with the softhddevice,
 and as I do not see any with the value of multiplying by 2. So far I have
 not been able to change the code of the softhddevice so that it works
 normally with the current state of libavcodec. ffmpeg seems to work
 differently and does not allow to reproduce this problem, maybe because
 ffmpeg uses the avctx->pix_fmt == AV_PIX_FMT_NV12, while the softhddevice
 uses the pix_fmt == AV_PIX_FMT_CUDA.
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Ticket URL: <https://trac.ffmpeg.org/ticket/11514#comment:6>
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