Re: [FFmpeg-devel] [RFC] Proposal for improved remap filter

2018-05-17 Thread Paul Holland
I am sure there are multiple ways to achieve this. My current idea is to teach/enhance swscale to perform the basic logic for it. In that sort of design it would be able to reuse most of the existing, highly optimized filtering functions - as well as all of its to, and from, planar format

Re: [FFmpeg-devel] [RFC] Proposal for improved remap filter

2018-05-17 Thread Paul B Mahol
On 5/17/18, Paul Holland wrote: > The general feature provided by the remap filter is important in a number > of use cases. Lens distortion/correction is one that has been discussed > previously. But it is also a key feature in processing video material > intended for Virtual

[FFmpeg-devel] [RFC] Proposal for improved remap filter

2018-05-17 Thread Paul Holland
The general feature provided by the remap filter is important in a number of use cases. Lens distortion/correction is one that has been discussed previously. But it is also a key feature in processing video material intended for Virtual Reality and 360 degree playback. These workflows employ