Messages in this thread | | | From | Jean-Michel Hautbois <> | Date | Tue, 16 Dec 2014 15:27:32 +0100 | Subject | Re: i.MX6 CSC and scaler |
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Hi,
2014-12-16 15:15 GMT+01:00 Nicolas Dufresne <nicolas.dufresne@collabora.com>: > > Le 2014-12-16 08:30, Philipp Zabel a écrit : >> >> For the IPU IC mem2mem scaler/CSC, v4l2transform with scaling capability >> would be the perfect fit > > Thanks you for clarifying. Jean-Michel, are you going to work on this ? If > so, feel free to contact me directly for pointers. You'll find me as stormer > on IRC freenode on both #v4l2 and #gstreamer.
Well, yes, we are going to work on it, but first we need to have Steve's module probed. It seems to be using DT, but figuring out how to use it properly.
> What would need to be done: > a) Import scaler negotiation code from videoscale element, and merge it into > v4l2transform negotiation. It is likely that wtay (Wim Tayman) have some > code already for you, has on the SW side he is currently working on merging > videoscale and videoconvert together as it's faster this way.
OK, so better to go on #gstreamer and talk together with Wim of this.
> b) Complete the handling of G_CROP (if required add G_SELECTION). Most HW > scaler will allocate aligned buffers, but can reach a 1 or 2 pixels > precision through CROP or SELECTION.
Have you already started something about that ? JM
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