[FFmpeg-trac] #9694(undetermined:new): ffmpeg fails to decode av1 file if --enable-keyframe-filtering=2 option is set

FFmpeg trac at avcodec.org
Tue Mar 22 17:20:29 EET 2022


#9694: ffmpeg fails to decode av1 file if --enable-keyframe-filtering=2 option is
set
-------------------------------------+-------------------------------------
             Reporter:  Rikitiki     |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:  av1          |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:
 How to reproduce:
 {{{
 % ffmpeg.exe -hide_banner -xerror -abort_on empty_output -i KF=2.mkv -map
 0:0 -filter:v showinfo=checksum=False -f null -
 ffmpeg version 5.0-full_build-www.gyan.dev
 }}}

 examples:

 {{{
   KF=1.mkv - the file encoded with --enable-keyframe-filtering=1
   KF=2.mkv - the file encoded with --enable-keyframe-filtering=2
 }}}

 output:

 {{{
 [libdav1d @ 000001e09933f9c0] libdav1d 0.9.2-106-g19326c4
 [matroska,webm @ 000001e09932cdc0] Could not find codec parameters for
 stream 0 (Video: av1 (libdav1d) (Main), none(tv), 32x18 [SAR 1:1 DAR
 16:9]): unspecified pixel format
 Consider increasing the value for the 'analyzeduration' (0) and
 'probesize' (5000000) options
 Input #0, matroska,webm, from 'D:\temp\KF=2.mkv':
   Metadata:
     encoder         : libwebm-0.3.0.0
     ENCODER_SETTINGS: version:3.3.0 --threads=1 --passes=1 --end-usage=q
 --cpu-used=9 --lag-in-frames=1 --enable-keyframe-filtering=2 --color-
 primaries=unspecified --transfer-characteristics=unspecified --matrix-
 coefficients=unspecified --webm --cq-level=30
   Duration: 00:00:08.30, start: 0.000000, bitrate: 8 kb/s
   Stream #0:0(eng): Video: av1 (Main), none(tv), 32x18 [SAR 1:1 DAR 16:9],
 30 fps, 30 tbr, 1k tbn (default)
 [libdav1d @ 000001e09932d580] libdav1d 0.9.2-106-g19326c4
 Stream mapping:
   Stream #0:0 -> #0:0 (av1 (libdav1d) -> wrapped_avframe (native))
 Press [q] to stop, [?] for help
 Conversion failed!
 }}}
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/9694>
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