On 21/07/18 19:51, Tom aan de Wiel wrote: > Hi! > > As of now, the version of the document I have locally is pretty much identical to the one you already linked to. > I haven't had the time to shape it into a more documentation kind of document instead of the report format it has now. > However, the report does contain all details and therefore could suffice as documentation for the time being? OK, then I'll ask Mauro to put up the document I have on linuxtv.org so I can refer to it. Thanks! Hans > > Tom > > tor. 19. jul. 2018 kl. 17:52 skrev Hans Verkuil <hverkuil@xxxxxxxxx <mailto:hverkuil@xxxxxxxxx>>: > > On 07/19/2018 05:39 PM, Sakari Ailus wrote: > > On Thu, Jul 19, 2018 at 03:20:22PM +0200, Hans Verkuil wrote: > >> On 07/19/18 15:15, sakari.ailus@xxxxxx <mailto:sakari.ailus@xxxxxx> wrote: > >>> On Thu, Jul 19, 2018 at 02:13:50PM +0200, Hans Verkuil wrote: > >>>> From: Hans Verkuil <hansverk@xxxxxxxxx <mailto:hansverk@xxxxxxxxx>> > >>>> > >>>> Add a new pixelformat for the vicodec software codec using the > >>>> Fast Walsh Hadamard Transform. > >>>> > >>>> Signed-off-by: Hans Verkuil <hansverk@xxxxxxxxx <mailto:hansverk@xxxxxxxxx>> > >>> > >>> Could you add documentation for this format, please? > >>> > >> > >> ??? It's part of the patch: > >> > >> diff --git a/Documentation/media/uapi/v4l/pixfmt-compressed.rst b/Documentation/media/uapi/v4l/pixfmt-compressed.rst > >> index abec03937bb3..e5419f046b59 100644 > >> --- a/Documentation/media/uapi/v4l/pixfmt-compressed.rst > >> +++ b/Documentation/media/uapi/v4l/pixfmt-compressed.rst > >> @@ -95,3 +95,10 @@ Compressed Formats > >> - ``V4L2_PIX_FMT_HEVC`` > >> - 'HEVC' > >> - HEVC/H.265 video elementary stream. > >> + * .. _V4L2-PIX-FMT-FWHT: > >> + > >> + - ``V4L2_PIX_FMT_FWHT`` > >> + - 'FWHT' > >> + - Video elementary stream using a codec based on the Fast Walsh Hadamard > >> + Transform. This codec is implemented by the vicodec ('Virtual Codec') > >> + driver. > >> > >> Since the whole codec is implemented in the vicodec source I didn't think it > >> necessary to say more about it. > > > > Oh, well. The source is there but user space developers shouldn't need to > > read it. OTOH it might be that they're also not the primary audience for > > this driver either. If there's a Wikipedia article you could refer to or > > such that'd be fine IMO, too. > > > > Up to you. > > > > Tom, > > Do you have a newer version of your document? If not, can I refer to the version > I have? If it can be put up at the linuxtv.org <http://linuxtv.org> website, then that takes care of > the documentation. > > Regards, > > Hans >