Am 11.08.2014 um 00:20 schrieb Michael Niedermayer <michae...@gmx.at>:
> On Sun, Aug 10, 2014 at 08:36:37PM +0200, Daniel Oberhoff wrote: >> >> >> Von meinem iPhone gesendet >> >>> Am 10.08.2014 um 17:50 schrieb Michael Niedermayer <michae...@gmx.at>: >>> >>>> On Sun, Aug 10, 2014 at 03:36:04PM +0200, Nicolas George wrote: >>>> Le tridi 23 thermidor, an CCXXII, Paul B Mahol a écrit : >>>>> It is not mandatory(but it would be nice) to add other methods to have >>>>> this filter included into libavfilter. >>>> >>>> Is it really a good idea? We would end up with various interpolation / >>>> anti-aliasing algorithms implemented in each filter that needs it, none of >>>> them with the same set of architecture optimizations and each with its own >>>> set of bugs and misfeatures. >>> >>>> Until someone comes up with a really satisfactory solution, I believe the >>>> simple solution of suggesting users to upscale before the filter and >>>> downscale after, using the optimized lswr scalers, is better. >>> >>> thats not practical >>> a 1024x768 image would need to be upscaled to 262144x196608 to get >>> 8bit precission from a nearest neighbor resampler as basis >>> >>> also see vf_perspective.c which supports bilinear and bicubic >>> interpolation, these surely could be shared and exist already. >>> >>> of course we could push it with just nearest neighbor and work on that >>> later, but i dont think only nearest neighbor and leaving it at that >>> is a reasonable choice, its too poor quality wise >> >> I would like to push now, and try to generate a refactoring patch possibly >> within the week. > > sure, feel free to push and send a pull request, or if you prefer > i can allso apply the patch if you post the latest verision I am not sure about pull requests (would have to read up on how to do that properly) so rigjht now I would prefer it by patch: Is that ok? Best and thanks! Daniel _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
