[FFmpeg-trac] #8077(undetermined:open): NTSC IMX encoding in MXF not possible

FFmpeg trac at avcodec.org
Tue Aug 13 21:24:01 EEST 2019

#8077: NTSC IMX encoding in MXF not possible
             Reporter:  Thomas       |                    Owner:
  Mundt                              |
                 Type:  defect       |                   Status:  open
             Priority:  important    |                Component:
                                     |  undetermined
              Version:  git-master   |               Resolution:
             Keywords:  MXF IMX      |               Blocked By:
  regression                         |
             Blocking:               |  Reproduced by developer:  1
Analyzed by developer:  0            |

Comment (by Thomas Mundt):

 The mxfenc also allows 49999840 as bitrate for IMX50. However this results
 in: frame size does not match index unit size, 208541 != 208540
 Then I patched mxfenc so it additionally allows 49999841 as bitrate. Now
 it works. I have tested a clip with more than 1 hour in length. But I´m
 not sure if ratecontrol keeps the bitrate constant over a longer period of

Ticket URL: <https://trac.ffmpeg.org/ticket/8077#comment:5>
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