[FFmpeg-trac] #7303(undetermined:open): h264_nvenc / b_ref_mode middle creates invalid video due to Invalid DTS.

FFmpeg trac at avcodec.org
Wed Apr 22 06:20:27 EEST 2020


#7303: h264_nvenc / b_ref_mode middle creates invalid video due to Invalid DTS.
-------------------------------------+-------------------------------------
             Reporter:               |                    Owner:
  smallishzulu                       |
                 Type:  defect       |                   Status:  open
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  git-master   |               Resolution:
             Keywords:  nvenc        |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by cs9k):

 Hello.  Since I began streaming and recording my gameplay footage a year
 ago, I've eagerly watched this topic to see when it may be resolved.
 While it hasn't yet been resolved, I do see that you need examples of
 output with the error.  Good news: I can provide that!

 This issue exists with ffmpeg 4.2.2, the 4.2.2. nightly from last week,
 and the ffmpeg implementation within OBS Studio's official releases as
 well.  Currently in OBS Studio 25.0.4, you can not record in either 264
 nor 265 using any b_ref_mode.

 Strangely, b_ref_mode does indeed work when streaming from OBS Studio to
 both twitch and youtube.  I am unsure why, and can provide a copy of
 footage from twitch if you would like.

 Thank you all so much for the work you do!  Footage can be found at the
 OneDrive link below.  Spaces added to prevent web crawlers; remove spaces
 from around ".ms"

 https://1drv .ms /u/s!AtkTVhsX2nFFm0P0-aPBPe0bQ06E?e=c60q4I

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Ticket URL: <https://trac.ffmpeg.org/ticket/7303#comment:5>
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