[FFmpeg-trac] #9846(ffmpeg:new): DNxHR doesn't work with LB in Shutter Encoder

[FFmpeg]

#9846: DNxHR doesn't work with LB in Shutter Encoder
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             Reporter:  Soto Soto    |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:  ffmpeg       |                  Version:
             Keywords:  ffmpeg       |  unspecified
  dnxhr                              |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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 '''Summary of the bug:''' I've just been forwarded by the creator of
 Shutter Encoder who uses FFmpeg as the backend of their software. I wanted
 to create a small 480x270 file at low bitrate and the render stops after a
 few minutes. The last line the console says is "Assertion s->buf_ptr <
 s->buf_end failed at src/libavcodec/put_bits.h:150".

 How to reproduce:
 1. Used a 1920x1080p, 60fps, h.264 10gb file.
 2. Dropped it in Shutter Encoder, set to DNxHR > LB ("Low Bitrate" doesn't
 state the number of the bitrate itself). Change scale to 480x270p
 3. Render
 4. Error shown in the last line of the console (right click in progress
 bar and click "Console").
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Ticket URL: <https://trac.ffmpeg.org/ticket/9846>
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