paulobtr

paulo@ubuntu:~/Scrivania$ avconv -y -i video.flv -vcodec mpeg4 -vtag xvid video.avi
avconv version 0.8.10-4:0.8.10-0ubuntu0.12.04.1, Copyright (c) 2000-2013 the Libav developers
  built on Feb  6 2014 20:56:59 with gcc 4.6.3
[flv @ 0x198f7a0] Estimating duration from bitrate, this may be inaccurate
Input #0, flv, from 'video.flv':
  Metadata:
    metadatacreator : Yet Another Metadata Injector for FLV - Version 1.9
    hasKeyframes    : true
    hasVideo        : true
    hasAudio        : true
    hasMetadata     : true
    canSeekToEnd    : true
    datasize        : 390041979
    videosize       : 263432525
    audiosize       : 124999518
    lasttimestamp   : 5913
    lastkeyframetimestamp: 5913
    lastkeyframelocation: 390076502
  Duration: 01:38:33.00, start: 0.000000, bitrate: 519 kb/s
    Stream #0.0: Video: h264 (High), yuv420p, 656x368 [PAR 1:1 DAR 41:23], 354 kb/s, 25 tbr, 1k tbn, 50 tbc
    Stream #0.1: Audio: aac, 44100 Hz, stereo, s16, 165 kb/s
[buffer @ 0x19a6060] w:656 h:368 pixfmt:yuv420p
Incompatible sample format 's16' for codec 'ac3', auto-selecting format 'flt'
[ac3 @ 0x198f120] invalid bit rate
Output #0, avi, to 'video.avi':
  Metadata:
    metadatacreator : Yet Another Metadata Injector for FLV - Version 1.9
    hasKeyframes    : true
    hasVideo        : true
    hasAudio        : true
    hasMetadata     : true
    canSeekToEnd    : true
    datasize        : 390041979
    videosize       : 263432525
    audiosize       : 124999518
    lasttimestamp   : 5913
    lastkeyframetimestamp: 5913
    lastkeyframelocation: 390076502
    Stream #0.0: Video: mpeg4, yuv420p, 656x368 [PAR 1:1 DAR 41:23], q=2-31, 200 kb/s, 90k tbn, 25 tbc
    Stream #0.1: Audio: ac3, 44100 Hz, stereo, flt, 200 kb/s
Stream mapping:
  Stream #0:0 -> #0:0 (h264 -> mpeg4)
  Stream #0:1 -> #0:1 (aac -> ac3)
Error while opening encoder for output stream #0:1 - maybe incorrect parameters such as bit_rate, rate, width or height
paulo@ubuntu:~/Scrivania$