[FFmpeg-trac] #4030(avdevice:open): V4L2 recording results in invalid data & buffer still owned errors

[FFmpeg]

#4030: V4L2 recording results in invalid data & buffer still owned errors
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             Reporter:  thender     |                    Owner:  holden
                 Type:  defect      |                   Status:  open
             Priority:  normal      |                Component:  avdevice
              Version:  git-master  |               Resolution:
             Keywords:  v4l2        |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  1           |
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Comment (by thender):

 Doh, nevermind. Spoke too soon. I get this on the 2nd recording.

 [video4linux2,v4l2 @ 0x1c2ff80] Dequeued v4l2 buffer contains corrupted
 data (0 bytes).

 And when I go to record, it leaves off where I was before.


 [video4linux2,v4l2 @ 0x1c2ff80] Dequeued v4l2 buffer contains corrupted
 data (0 bytes).
     Last message repeated 30 times
 frame=   16 fps=0.0 q=12.0 size=     108kB time=00:02:15.60 bitrate=
 6.5kbits/frame=   31 fps= 31 q=12.0 size=     205kB time=00:02:16.10
 bitrate=  12.3kbits/frame=   46 fps= 30 q=12.0 size=     301kB
 time=00:02:16.60 bitrate=  18.1kbits/frame=   61 fps= 30 q=12.0 size=
 398kB time=00:02:17.10 bitrate=  23.8kbits/frame=   76 fps= 30 q=12.0
 size=     495kB time=00:02:17.60 bitrate=  29.5kbits/frame=   91 fps= 30
 q=12.0 size=     592kB time=00:02:18.10 bitrate=  35.1kbits/frame=  107
 fps= 30 q=13.0 size=     693kB time=00:02:18.63 bitrate=  40.9kbits/frame=
 122 fps= 30 q=13.0 size=     785kB time=00:02:19.13 bitrate=
 46.2kbits/frame=  124 fps= 30 q=-1.0 Lsize=   72085kB time=00:02:19.43
 bitrate=4235.1kbits/s dup=0 drop=122
 video:71134kB audio:770kB subtitle:0kB other streams:0kB global
 headers:0kB muxing overhead: 0.251618%
 [libx264 @ 0x1c4ee00] frame I:1     Avg QP: 7.00  size:1198492
 [libx264 @ 0x1c4ee00] frame P:123   Avg QP:12.19  size:582459
 [libx264 @ 0x1c4ee00] mb I  I16..4: 100.0%  0.0%  0.0%
 [libx264 @ 0x1c4ee00] mb P  I16..4: 16.9%  0.0%  0.0%  P16..4: 82.9%  0.0%
 0.0%  0.0%  0.0%    skip: 0.2%
 [libx264 @ 0x1c4ee00] coded y,uvDC,uvAC intra: 96.0% 99.1% 97.8% inter:
 98.8% 99.3% 98.3%
 [libx264 @ 0x1c4ee00] i16 v,h,dc,p: 13% 14% 55% 18%
 [libx264 @ 0x1c4ee00] i8c dc,h,v,p: 50% 14% 20% 16%
 [libx264 @ 0x1c4ee00] kb/s:140982.55
 Received signal 2: terminating.

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Ticket URL: <https://trac.ffmpeg.org/ticket/4030#comment:16>
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