[FFmpeg-trac] #8899(undetermined:new): `Incomplete CU-tree stats file` crash on 2-pass x265 encode

FFmpeg trac at avcodec.org
Thu Sep 17 12:09:27 EEST 2020

#8899: `Incomplete CU-tree stats file` crash on 2-pass x265 encode
             Reporter:  aeris        |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
 Summary of the bug:

 Unable to 2-pass x265 encode some files.
 Crash on the second pass with `Incomplete CU-tree stats file`

 How to reproduce:
 ./test.sh 2020-08-27.ts
 x265 [error]: Incomplete CU-tree stats file.
 Video encoding failed
 x265 [info]: frame I:     18, Avg QP:6.68  kb/s: 116260.81
 x265 [info]: frame P:   1176, Avg QP:12.74  kb/s: 5613.92
 x265 [info]: frame B:   2443, Avg QP:19.70  kb/s: 327.06
 x265 [info]: Weighted P-Frames: Y:0.0% UV:0.0%
 x265 [info]: consecutive B-frames: 29.9% 8.2% 23.4% 4.6% 34.0%

 encoded 3637 frames in 54.02s (67.32 fps), 2610.31 kb/s, Avg QP:17.39
 [aac @ 0x55808e19f240] Qavg: 241.662
 [aac @ 0x55808e19f240] 2 frames left in the queue on closing
 Conversion failed!

Ticket URL: <https://trac.ffmpeg.org/ticket/8899>
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