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 wrote: >>> On Thu, Jul 19, 2018 at 02:13:50PM +0200, Hans Verkuil wrote: >>>> From: Hans Verkuil <hansverk@xxxxxxxxx> >>>> >>>> Add a new pixelformat for the vicodec software codec using the >>>> Fast Walsh Hadamard Transform. >>>> >>>> Signed-off-by: Hans Verkuil <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 website, then that takes care of the documentation. Regards, Hans