Hi all

I am challenging delivery of webcamera image to ustream from Beagleboard-xm.
First I did on Atom machine with Ubuntu 14.04.

avconv -f video4linux2 -s 320x240x -r 5 -i /dev/video0 -pix_fmt yuv420p -r 
5 
-f flv rtmp://***ustream_url/ustream_key***

I could do.

Next I challenged on Beagleboard-xM with Ubuntu 14.04.
Then Delivery stoped at few seconds.

> avconv version 9.14-6:9.14-0ubuntu0.14.04.1, Copyright (c) 2000-2014 the 
Libav developers
>   built on Jul 15 2014 14:14:21 with gcc 4.8 (Ubuntu/Linaro 
4.8.2-19ubuntu1)
> [video4linux2 @ 0x1326720] Estimating duration from bitrate, this may be 
inaccurate
> Input #0, video4linux2, from '/dev/video0':
>   Duration: N/A, start: 1716.381321, bitrate: 6144 kb/s
>     Stream #0.0: Video: rawvideo, yuyv422, 320x240, 6144 kb/s, 1000k tbn, 
5 tbc
> Output #0, flv, to 
'rtmp://1.17868225.fme.ustream.tv/ustreamVideo/17868225/nVgsJjz3ctRafQWawGt5HNZA3v75R2kj':
>   Metadata:
>     encoder         : Lavf54.20.4
>     Stream #0.0: Video: flv, yuv420p, 320x240, q=2-31, 200 kb/s, 1k tbn, 
5 tbc
> Stream mapping:
>   Stream #0:0 -> #0:0 (rawvideo -> flv)
> Press ctrl-c to stop encoding
> The v4l2 frame is 50560 bytes, but 153600 bytes are expected 311.7kbits/s
> /dev/video0: Invalid data found when processing input
> Failed to update header with correct duration.=8.80 bitrate= 306.5kbits/s
> [flv @ 0x13272a0] Failed to update header with correct filesize.
> frame=   44 fps=  4 q=2.5 Lsize=     329kB time=8.80 bitrate= 306.5kbits/s
> video:328kB audio:0kB global headers:0kB muxing overhead 0.271874%

What is solution ?

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