[FFmpeg-devel] [PATCH 1/3] DPX image encoder

[Reimar Döffinger]

On 26 Mar 2011, at 08:01, Peter Ross <pross at xvid.org> wrote:
> +#define HEADER_SIZE 0x680

Where does this number come from?

> +    // Image Orientation Information
> +    write32(buf + 0x540, avctx->sample_aspect_ratio.num);
> +    write32(buf + 0x544, avctx->sample_aspect_ratio.den);

The decoder doesn't seem to support this?
Also I can't see what it has to do with image orientation?!?