Re: [Mjpeg-developer] AVI, padding

[Burkhard P. <pl...@ip...>]

Hi,

Am 10.03.2011 17:13, schrieb Torsten Mohr:
> Hello,
>
>> As far as I know, there is at most one padding byte in AVIs
>> such that all chunks (header chunks and data chunks) start at even
>> file offsets.
>
> thanks for your answer.
>
> This is not what i experience when decoding an AVI that contains single JPEGs.
>
> The JPEGs themselves contain correct start- and end-markers and after the end-
> markers there is a variable amount of padding.
> The padding is always 0x00 and the number is variable from 0 to 24 (can be
> more, i did not look further).
>
>
> Best regards,
> Torsten.

If the total size (including padding) of the JPEG-frame is the AVI chunk size, this
isn't a AVI issue but a JPEG issue. I guess every sane JPEG-decoder will ignore
all data after the end-marker, but the JPEG-Standard might tell more about this.

Burkhard