[FFmpeg-user] Android video using ffmpeg

[nasy .]

I'm creating  ogv video for android using
ffmpeg -i  video.flv -ac 2  -vcodec libtheora -f ogg -qmax 8 -y  video.ogv


out put of

ffmpeg -i video.ogv is
Input #0, ogg, from '213893.ogv':
  Duration: 00:00:05.61, start: 0.000000, bitrate: 2907 kb/s
    Stream #0.0: Video: theora, yuv420p, 720x405 [PAR 1:1 DAR 16:9], 83.33
tbr, 1k tbn, 1k tbc
    Stream #0.1: Audio: flac, 22050 Hz, 2 channels, s16
    Metadata:
      DURATION        : 6
      CREATIONDATE    : Wed May 11 11:11:08
      ENCODER         : Lavf52.93.0


It's not playing in android..
Can any one help me to know why it's not playing in android ?
Nasy