ffmpeg dev paste

$ /usr/bin/ffplay -f v4l2 -i /dev/video1
ffplay version N-40640-g5edd4fc Copyright (c) 2003-2012 the FFmpeg developers
  built on May 23 2012 10:28:32 with gcc 4.4.4 20100726 (Red Hat 4.4.4-13)
  configuration: --prefix=/usr --enable-libx264 --enable-postproc --enable-shared --enable-gpl --enable-version3 --disable-debug --disable-static
  libavutil      51. 50.100 / 51. 50.100
  libavcodec     54. 21.101 / 54. 21.101
  libavformat    54.  4.100 / 54.  4.100
  libavdevice    53.  4.100 / 53.  4.100
  libavfilter     2. 72.105 /  2. 72.105
  libswscale      2.  1.100 /  2.  1.100
  libswresample   0. 11.100 /  0. 11.100
  libpostproc    52.  0.100 / 52.  0.100
fmt_ff2v4l: start pix_fmt=-1 codec_id=0
fmt_ff2v4l: i=0 fmt_conversion_table[i].codec_id=14,

fmt_conversion_table[i].ff_fmt
fmt_conversion_table[i].v4l2_fmt=842093913 [mjpeg @ 0x7f88f8006f00] overread 8
[video4linux2,v4l2 @ 0x7f88f80008c0] ioctl(VIDIOC_DQBUF): Input/output error
[video4linux2,v4l2 @ 0x7f88f80008c0] Estimating duration from bitrate, this may be inaccurate
Input #0, video4linux2,v4l2, from '/dev/video1':
  Duration: N/A, start: 11011.683163, bitrate: N/A
    Stream #0:0: Video: mjpeg, yuvj422p, 480x640, -2147483 kb/s, 31.25 tbr, 1000k tbn, 1000k tbc
[format @ 0x7f88f00016c0] auto-inserting filter 'auto-inserted scale 0' between the filter 'src' and the filter 'format'
[scale @ 0x7f88f0002140] w:480 h:640 fmt:yuvj422p sar:0/1 -> w:480 h:640 fmt:yuv420p sar:0/1 flags:0x4
[mjpeg @ 0x7f88f8006f00] overread 8
    Last message repeated 71 times  0KB vq=   50KB sq=    0B f=0/0   /0
    Last message repeated 71 times