Hi Martin, On Sat, Oct 7, 2017 at 10:22 AM, Martin Vignali <martin.vign...@gmail.com> wrote:
> Hello, > > Patch in attach add a new dsp > for manipulation of qmat > > for now, i move this code inside > > for (i = 0; i < 64; i++) { > qmat_luma_scaled [i] = ctx->qmat_luma [i] * qscale; > qmat_chroma_scaled[i] = ctx->qmat_chroma[i] * qscale; > } > > i add a special case for qscale == 1 > and SSE2, AVX2 optimization > This loop only executes once per slice. We typically do not SIMD-optimize at that level, because it won't give significant speed gains... Ronald _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel