ffmpeg linux

FFmpeg version 0.6.5, Copyright (c) 2000-2010 the FFmpeg developers
  built on Jan 29 2012 23:55:02 with gcc 4.1.2 20080704 (Red Hat 4.1.2-51)
  configuration: --prefix=/usr --libdir=/usr/lib64 --shlibdir=/usr/lib64 --mandir=/usr/share/man --incdir=/usr/include --disable-avisynth --extra-cflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -fPIC' --enable-avfilter --enable-avfilter-lavf --enable-libdirac --enable-libfaac --enable-libfaad --enable-libfaadbin --enable-libgsm --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-gpl --enable-nonfree --enable-postproc --enable-pthreads --enable-shared --enable-swscale --enable-vdpau --enable-version3 --enable-x11grab
  libavutil     50.15. 1 / 50.15. 1
  libavcodec    52.72. 2 / 52.72. 2
  libavformat   52.64. 2 / 52.64. 2
  libavdevice   52. 2. 0 / 52. 2. 0
  libavfilter    1.19. 0 /  1.19. 0
  libswscale     0.11. 0 /  0.11. 0
  libpostproc   51. 2. 0 / 51. 2. 0
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x4f598b0]max_analyze_duration reached

Seems stream 0 codec frame rate differs from container frame rate: 2997.00 (2997/1) -> 29.97 (30000/1001)
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/study/video/Wildlife1.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 1
    compatible_brands: isommp423gp5
    encoder         : FormatFactory : www.pcfreetime.com
  Duration: 00:00:30.02, start: 0.000000, bitrate: 6298 kb/s
    Stream #0.0(und): Video: mpeg4, yuv420p, 1280x720 [PAR 1:1 DAR 16:9], 6195 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 2997 tbc
    Stream #0.1(und): Audio: aac, 44100 Hz, stereo, s16, 125 kb/s
    Stream #0.2(und): Data: mp4s / 0x7334706D, 0 kb/s
    Stream #0.3(und): Data: mp4s / 0x7334706D, 0 kb/s
Output #0, image2, to '/study/video/picture/_u52a8_u7269_u4e16_u754c20130917101702.jpg':
  Metadata:
    encoder         : Lavf52.64.2
    Stream #0.0(und): Video: mjpeg, yuvj420p, 320x240 [PAR 4:3 DAR 16:9], q=2-31, 200 kb/s, 90k tbn, 29.97 tbc
Stream mapping:
  Stream #0.0 -> #0.0
Press [q] to stop encoding
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%

ffmpeg -i /study/video/_u52a8_u7269_u4e16_u754c20130917101702.Mp4  -y -f image2 -ss 1 -t 0.001 -s  320*240 /study/video/picture/_u52a8_u7269_u4e16_u754c20130917101702.jpg

 ffmpeg  截取图片 失败  求解~！