пытаюсь перекодировать видео:
avconv -y -i aa.flv aa.aviполучаю:
avconv version 0.8.3-6:0.8.3-7, Copyright (c) 2000-2012 the Libav developers
built on Aug 25 2012 11:19:52 with gcc 4.7.1
[flv @ 0xac4300] Estimating duration from bitrate, this may be inaccurate
Input #0, flv, from 'aa.flv':
Metadata:
creator : STB
metadatacreator : Yet Another Metadata Injector for FLV - Version 1.8
hasKeyframes : true
hasVideo : true
hasAudio : true
hasMetadata : true
canSeekToEnd : true
datasize : 278258877
videosize : 238760506
audiosize : 38900127
lasttimestamp : 2363
lastkeyframetimestamp: 2363
lastkeyframelocation: 278270953
Duration: 00:39:23.36, start: 0.055000, bitrate: 934 kb/s
Stream #0.0: Video: h264 (High), yuv420p, 638x480 [PAR 320:319 DAR 4:3], 806 kb/s, 25 tbr, 1k tbn, 50 tbc
Stream #0.1: Audio: mp3, 44100 Hz, stereo, s16, 128 kb/s
[buffer @ 0xac8740] w:638 h:480 pixfmt:yuv420p
[mpeg4 @ 0xacc360] Invalid pixel aspect ratio 320/319, limit is 255/255
Output #0, avi, to 'aa.avi':
Metadata:
creator : STB
metadatacreator : Yet Another Metadata Injector for FLV - Version 1.8
hasKeyframes : true
hasVideo : true
hasAudio : true
hasMetadata : true
canSeekToEnd : true
datasize : 278258877
videosize : 238760506
audiosize : 38900127
lasttimestamp : 2363
lastkeyframetimestamp: 2363
lastkeyframelocation: 278270953
Stream #0.0: Video: mpeg4, yuv420p, 638x480 [PAR 320:319 DAR 4:3], q=2-31, 200 kb/s, 90k tbn, 25 tbc
Stream #0.1: Audio: [0][0][0][0] / 0x0000, 44100 Hz, stereo, s16, 200 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (h264 -> mpeg4)
Stream #0:1 -> #0:1 (mp3 -> libmp3lame)
Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height
что означает "Invalid pixel aspect ratio 320/319, limit is 255/255" и как от него избавиться ?