On 23.10.2018 10:55, Moritz Barsnick wrote:
On Tue, Oct 23, 2018 at 15:52:40 +0800, Zachary Zhou wrote:It supports clockwise rotation by 0/90/180/270 degrees defined in va/va_vpp.h, tested following command line on SKL platformSince these angles of rotation are called "transpose" in ffmpeg's other filters (transpose, transpose_npp), shouldn't that be the name chosen for this functionality? It could then also use similar options. Just wondering.
The transpose filters do not do plain rotation, they also flip the image at the same time. For reasons I'm not sure about that's more useful than plain rotation by multiples of 90°.
From the looks of it, this filter does not do any flipping.
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