[FFmpeg-trac] #11390(ffmpeg:new): av1_nvenc output frames sometimes cannot be decoded

[FFmpeg]

#11390: av1_nvenc output frames sometimes cannot be decoded
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             Reporter:  nikomo      |                    Owner:  (none)
                 Type:  defect      |                   Status:  new
             Priority:  normal      |                Component:  ffmpeg
              Version:  git-master  |               Resolution:
             Keywords:  av1_nvenc   |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
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Comment (by Balling):

 >while VLC will play audio but not video.

 This is obviously a bug in VLC. My new Intel Arrow lake has no issues
 decoding after a couple of frames that fail to decode.


 {{{
 mpv.com   --target-colorspace-hint=yes -vo=gpu-next -gpu-api=d3d11
 -hwdec=d3d11va debug_av1_nvenc.mkv
 ● Video  --vid=1  --vlang=jpn  'JPNBD' (av1 1920x1080 23.976 fps)
 [default]
 ● Audio  --aid=1  --alang=jpn  'PCM 2.0' (vorbis 2ch 48000 Hz) [default]
 ● Subs   --sid=1  --slang=eng  'Full Subtitles [Sunraku]' (ass) [default]
 [ffmpeg/video] av1: trailing_zero_bit out of range: 1, but must be in
 [0,0].
 [ffmpeg/video] av1: Failed to read unit 1 (type 5).
 [ffmpeg/video] av1: Failed to read packet.
 Error while decoding frame (hardware decoding)!
 [ffmpeg/video] av1: trailing_one_bit out of range: 0, but must be in
 [1,1].
 [ffmpeg/video] av1: Failed to read unit 0 (type 5).
 [ffmpeg/video] av1: Failed to read packet.
 Error while decoding frame (hardware decoding)!
 [ffmpeg/video] av1: Missing reference frame needed for show_existing_frame
 (frame_to_show_map_idx = 6).
 [ffmpeg/video] av1: Failed to read unit 0 (type 3).
 [ffmpeg/video] av1: Failed to read packet.
 Error while decoding frame (hardware decoding)!
 AO: [wasapi] 48000Hz stereo 2ch float
 VO: [gpu-next] 1920x1080 yuv420p
 AV: 00:00:01 / 00:00:01 (89%) A-V:  0.000
 Exiting... (End of file)
 }}}
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Ticket URL: <https://trac.ffmpeg.org/ticket/11390#comment:2>
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