On Tue, Jan 25, 2022 at 11:46 AM Lynne <d...@lynne.ee> wrote: > 21 Jan 2022, 09:51 by d...@lynne.ee: > > > 21 Jan 2022, 09:33 by d...@lynne.ee: > > > >> This commit rewrites the internal transform code into a constructor > >> that stitches transforms (codelets). > >> This allows for transforms to reuse arbitrary parts of other > >> transforms, and allows transforms to be stacked onto one > >> another (such as a full iMDCT using a half-iMDCT which in turn > >> uses an FFT). It also permits for each step to be individually > >> replaced by assembly or a custom implementation (such as an ASIC). > >> > >> Patch attached. > >> > > > > Forgot that I disabled double and int32 transforms to speed up > > testing, reenabled locally and on my github tx_tree branch. > > Also removed some inactive debug code. > > https://github.com/cyanreg/FFmpeg/tree/tx_tree > > > > I fixed bugs and improved to code more, and I think it's ready > for merging now. > The rdft is no longer bound by any convention, and its > scale may be changed by the user, eliminating after-transform > multiplies that are used pretty much everywhere in our code. > > If someone (looks at Paul) gives it a test or converts a filter, > would be nice. I've only tested it on my synthetic benchmarks: > https://github.com/cyanreg/lavu_fft_test
Will try it once its applied. Thanks. > > > I plan to push the patchset tomorrow unless there are comments. > Mostly done with the aarch64's SIMD, patch coming soon, hopefully. > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". > _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".