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-   -   file format error no xvid avi playing (http://mympx.org/forum/video-related/45635-file-format-error-no-xvid-avi-playing.html)

casacristo 18th Oct 2010 7:30 am

file format error no xvid avi playing
 
ID 071b:3203 Domain Technologies, Inc. 3" MP4 player

MP4 player, claims to be 16GB.

I am a linux user.
I've written a script that will convert in principle any multimedia file to xvid-avi playable by mp4 players
(320x240)

Code:

#!/bin/bash

# By Arturo Martinez 22 Oct 2010
echo "********************************************************"
echo "This script converts anything to AVI (xvid) 320x240"
echo "It will convert all the files of that type in the current directory"
echo "********************************************************"
echo "Enter file extension to convert"
echo "for example all2avi.sh ts  "
echo "will convert all ts files to avi (xvid)"

for f in $( ls *.$1 ); do

avi=${f%.$1*}.avi
echo "Processing $f file..."

/usr/bin/ffmpeg -i $f -vcodec mpeg4 -vtag xvid -s 320x240 -acodec libmp3lame -ac 1 -ar 22050  ${f%\.*}.avi



  # take action on each file. $f store current file name
  echo $f converted to $avi
done

Note: ffmpeg must have mpeg4 support

Binh@MyMPx 18th Oct 2010 11:36 am

Do you have a SAMPLE video that came with your player that plays fine? We could use that to look at the specifications of the video..........

Try downloading the sample videos from here: Sample Rockchip videos with different screen sizes - copy them to your player and see if any of those play on your player.

Let us know the result.

casacristo 19th Oct 2010 12:20 am

The rockwell videos all played fine...

I run h2testw:
The media is likely to be defective.
1.8 GByte OK (3801472 sectors)
13.9 GByte DATA LOST (29193856 sectors)
Details:13.8 GByte overwritten (28965779 sectors)
0 KByte slightly changed (< 8 bit/sector, 0 sectors)
111.3 MByte corrupted (228077 sectors)
63.5 KByte aliased memory (127 sectors)
First error at offset: 0x0000000074030000
Expected: 0x0000000074030000
Found: 0x0000000000000000
H2testw version 1.3
Writing speed: 14.2 MByte/s
Reading speed: 17.1 MByte/s
H2testw v1.4

Looks like it is only 2GB

What I noticed is that when I copy one of the files that give the file format error back from the mp4 player to my PC (Linux) the file is no longer playable, the size shows correct but it does not appear to be a multimedia file anymore.
So the problem is more complicated as now I can not be sure a file does not play because the player does not support the codec as perhaps it can but it is corrupted...

Is there some way to check the flash for 'bad sectors' to mark them as such and prevent file corruption?

What happens if the flash is really 2GB but is marked as 16GB, when you write bigger files, would it show out of space errors or would the files get written somehow but of course contain no real data


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