myp...@gmail.com <myp...@gmail.com> 于2018年7月4日周三 下午3:05写道: > > On Wed, Jun 27, 2018 at 5:52 PM Jun Zhao <mypopy...@gmail.com> wrote: > > > > the right blending calc is: > > (alpha * Frame_2 + (MAX - alpha) * Frame_1 + 512) >> 10 > > > > Signed-off-by: Jun Zhao <mypopy...@gmail.com> > > --- > > libavfilter/vf_minterpolate.c | 4 ++-- > > 1 file changed, 2 insertions(+), 2 deletions(-) > > > > diff --git a/libavfilter/vf_minterpolate.c b/libavfilter/vf_minterpolate.c > > index d534315..c6a5e63 100644 > > --- a/libavfilter/vf_minterpolate.c > > +++ b/libavfilter/vf_minterpolate.c > > @@ -1122,8 +1122,8 @@ static void interpolate(AVFilterLink *inlink, > AVFrame *avf_out) > > for (y = 0; y < height; y++) { > > for (x = 0; x < width; x++) { > > avf_out->data[plane][x + y * > > avf_out->linesize[plane]] > = > > - alpha * > > mi_ctx->frames[2].avf->data[plane][x > + y * mi_ctx->frames[2].avf->linesize[plane]] + > > - ((ALPHA_MAX - alpha) * > > mi_ctx->frames[1].avf->data[plane][x > + y * mi_ctx->frames[1].avf->linesize[plane]] + 512) >> 10; > > + (alpha * mi_ctx->frames[2].avf->data[plane][x > + y * mi_ctx->frames[2].avf->linesize[plane]] + > > + (ALPHA_MAX - alpha) * > > mi_ctx->frames[1].avf->data[plane][x > + y * mi_ctx->frames[1].avf->linesize[plane]] + 512) >> 10; > > } > > } > > } > > -- > > 2.7.4 > > > ping, any comments for this fix?
LGTM Go on improve it to OpenCL :D > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel