Hi Michael, On Fri, 10 Dec 2021, Michael S. Tsirkin wrote:
> On Thu, Dec 09, 2021 at 02:55:59PM +0000, Peter Griffin wrote: > > Linux vicodec (Virtual Codec) test driver in Linux implements > > FWHT. FWHT was designed to be fast and simple and to have > > characteristics of other video codecs and therefore face similar > > issues [1]. > > > > https://en.wikipedia.org/wiki/Fast_Walsh%E2%80%93Hadamard_transform > > > > Signed-off-by: Peter Griffin <peter.grif...@linaro.org> > > --- > > include/standard-headers/linux/virtio_video.h | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/include/standard-headers/linux/virtio_video.h > > b/include/standard-headers/linux/virtio_video.h > > index 16b5f642a9..3b517d50c4 100644 > > --- a/include/standard-headers/linux/virtio_video.h > > +++ b/include/standard-headers/linux/virtio_video.h > > @@ -75,6 +75,7 @@ enum virtio_video_format { > > VIRTIO_VIDEO_FORMAT_HEVC, /* HEVC aka H.265*/ > > VIRTIO_VIDEO_FORMAT_VP8, /* VP8 */ > > VIRTIO_VIDEO_FORMAT_VP9, /* VP9 */ > > + VIRTIO_VIDEO_FORMAT_FWHT, /* FWHT used by vicodec */ > > VIRTIO_VIDEO_FORMAT_CODED_MAX = VIRTIO_VIDEO_FORMAT_VP9, > > Is last line still correct? Seems fragile ... Ah good spot! This is a typo, I should have updated it to VIRTIO_VIDEO_FORMAT_CODED_MAX = VIRTIO_VIDEO_FORMAT_FWHT, Will fix in the next iteration. Peter.
