On Mon, 11 Sep 2006 07:57:41 -0400, Ronald S. Bultje  
<[EMAIL PROTECTED]> wrote:

> Hi,
>
> On Mon, 2006-09-11, Richard Cooper wrote:
>>      lavtrans -f i -o %06d.jpg +n movie.avi
> [..]
>> The JPEG images don't seem to be readable:
>>      [EMAIL PROTECTED]:~/video/swing_jump$ convert 000000.jpg same.jpg
>>      convert: Huffman table 0x00 was not defined `000000.jpg'.
>> No other application wants to deal with the images either.
>
> The video probably comes from a cheap photo-camera, right?

Yes, it's a photo camera.  The problem does seem to be related to the  
input files, as decoding an .avi encoded from my BT878 card results in  
normal JPEG images.

> A possible solution is to regenerate the images, either by decompression
> and recompression into a lossless format (to prevent further quality
> loss), or back into JPEG with huffman tables. To do this, run:
>
> lav2yuv +n video.avi | yuv2lav -f i -o %06d.jpg

The 'yuv2lav' command won't accept "-f i" as an option.  Is there any  
other way I can do it?  I'd like to have JPEG images as I'm not as  
concerned about image quality as I am about disk space.

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