On Thu, Aug 15, 2019 at 5:12 PM Alexandre Courbot <acour...@chromium.org> wrote: > > On Wed, Aug 14, 2019 at 9:53 PM Paul Kocialkowski > <paul.kocialkow...@bootlin.com> wrote: > > > > Hi, > > > > On Mon 12 Aug 19, 13:05, Hans Verkuil wrote: > > > From: Maxime Jourdan <mjour...@baylibre.com> > > > > > > Add an enum_fmt format flag to specifically tag coded formats where > > > dynamic resolution switching is supported by the device. > > > > > > This is useful for some codec drivers that can support dynamic > > > resolution switching for one or more of their listed coded formats. It > > > allows userspace to know whether it should extract the video parameters > > > itself, or if it can rely on the device to send V4L2_EVENT_SOURCE_CHANGE > > > when such changes are detected. > > > > Makes sense and looks good to me: > > Reviewed-by: Paul Kocialkowski <paul.kocialkow...@bootlin.com> > > > > The docs aren't saying that this only applies to stateful decoders, but I > > think > > it is quite clear that this can't apply to stateless decoders. > > Even though this can be inferred from reading the specs, I think it > would be reasonable to explicitly mention it though. > > I also wonder, since this flag does not make sense for encoders, maybe > we can use more precise vocabulary in the patch description and doc? > I.e. s/codec/decoder. > > With that, > Reviewed-by: Alexandre Courbot <acour...@chromium.org>
There is no reason why it couldn't apply to an encoder. I think the idea is to actually have the encoder advertise the same flag once we figure out how to implement encoding with resolution changes. Best regards, Tomasz
