Re: [linux-usb-devel] [PATCH] USB: add zr364xx V4L2 driver
Oliver Neukum <[email protected]>
| Newsgroups | gmane.comp.video.video4linux,gmane.linux.usb.devel |
|---|---|
| Message-ID | <[email protected]> |
Am Dienstag, 13. Februar 2007 18:51 schrieb Antoine Jacquet:
> Hello,
>
> >> + /* swap to good indian if camera needs it */
> >> + if (cam->method == 0)
> >> + for (i = 0; i < BUFFER_SIZE; i += 2) {
> >> + swap = cam->buffer[i];
> >> + cam->buffer[i] = cam->buffer[i + 1];
> >> + cam->buffer[i + 1] = swap;
> >> + }
> >
> > please use the macros
>
> Sorry, I am not sure which macro to use in this case.
> My comment is not very good, in fact on some cameras I need to swap the bytes
> to have correct JPEG data (so this is not an endianness issue I think).
> Maybe there is a macro to swap bytes in a buffer? I cannot find it.
Sorry, there's a swab32, but no swab16. I misremembered.
Regards
Oliver
--
video4linux-list mailing list
Unsubscribe mailto:[email protected]?subject=unsubscribe
https://www.redhat.com/mailman/listinfo/video4linux-list