error ffmpeg extracting images

matu@matu-ThinkPad-X201:/media/matu/0303-D439/vidéos/vidéos youtube/lol/tetesacl
aques$ ffmpeg -i s01e04_lhopital_fr_3_P3_1z7.mp4 -ss 00:08:24 -t 00:08:27 image-%d.jpeg
WARNING: gnome-keyring:: couldn't connect to: /run/user/matu/keyring-dxpLbq/pkcs11: No such file or directory
ffmpeg version 0.8.6-6:0.8.6-1ubuntu2, Copyright (c) 2000-2013 the Libav developers
  built on Mar 30 2013 22:20:06 with gcc 4.7.2
*** THIS PROGRAM IS DEPRECATED ***
This program is only provided for compatibility and will be removed in a future release. Please use avconv instead.
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 's01e04_lhopital_fr_3_P3_1z7.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    creation_time   : 1970-01-01 00:00:00
    encoder         : Lavf52.64.2
  Duration: 00:22:05.46, start: 0.000000, bitrate: 935 kb/s
    Stream #0.0(eng): Video: h264 (High), yuv420p, 1230x680 [PAR 1:1 DAR 123:68], 801 kb/s, 23.98 fps, 23.98 tbr, 48k tbn, 47.95 tbc
    Metadata:
      creation_time   : 1970-01-01 00:00:00
    Stream #0.1(eng): Audio: aac, 44100 Hz, stereo, s16, 128 kb/s
    Metadata:
      creation_time   : 1970-01-01 00:00:00
Incompatible pixel format 'yuv420p' for codec 'mjpeg', auto-selecting format 'yuvj420p'
[buffer @ 0xe5c780] w:1230 h:680 pixfmt:yuv420p
[avsink @ 0x1124ee0] auto-inserting filter 'auto-inserted scaler 0' between the filter 'src' and the filter 'out'
[scale @ 0x1125440] w:1230 h:680 fmt:yuv420p -> w:1230 h:680 fmt:yuvj420p flags:0x4
Output #0, image2, to 'image-%d.jpeg':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    creation_time   : 1970-01-01 00:00:00
    encoder         : Lavf53.21.1
    Stream #0.0(eng): Video: mjpeg, yuvj420p, 1230x680 [PAR 1:1 DAR 123:68], q=2-31, 200 kb/s, 90k tbn, 23.98 tbc
    Metadata:
      creation_time   : 1970-01-01 00:00:00
Stream mapping:
  Stream #0.0 -> #0.0
Press ctrl-c to stop encoding
[buffer @ 0xe5c780] Buffering several frames is not supported. Please consume all available frames before adding a new one.
frame=    0 fps=  0 q=0.0 size=      -0kB time=10000000000.00 bitrate=  -0.0kbitframe=    0 fps=  0 q=0.0 size=      -0kB time=10000000000.00 bitrate=  -0.0kbitframe=    0 fps=  0 q=0.0 size=      -0kB time=10000000000.00 bitrate=  -0.0kbit^C    Last message repeated 438 times
Buffering several frames is not supported. Please consume all available frames before adding a new one.
[buffer @ 0xe5c780] Buffering several frames is not supported. Please consume all available frames before adding a new one.
frame=    0 fps=  0 q=0.0 Lsize=      -0kB time=10000000000.00 bitrate=  -0.0kbits/s
video:0kB audio:0kB global headers:0kB muxing overhead -inf%
Received signal 2: terminating.