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| author | Clément Bœsch <u@pkh.me> | 2014-05-14 07:47:21 +0200 |
|---|---|---|
| committer | Clément Bœsch <u@pkh.me> | 2014-05-14 07:51:10 +0200 |
| commit | bc2e39c4cc35e8b08ca2ba45496ab3048ae7a426 (patch) | |
| tree | 991dbbbe79607dcb785644d7225ed3449cadff83 /libavfilter/vf_lut3d.c | |
| parent | 6ab37221c8eeb9736b6bad046322bec19536b3ee (diff) | |
| download | ffmpeg-bc2e39c4cc35e8b08ca2ba45496ab3048ae7a426.tar.gz | |
avfilter/lut3d: move the scale calc out of the inner loop.
Diffstat (limited to 'libavfilter/vf_lut3d.c')
| -rw-r--r-- | libavfilter/vf_lut3d.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavfilter/vf_lut3d.c b/libavfilter/vf_lut3d.c index 7b2f83f3c2..7c3a7dac15 100644 --- a/libavfilter/vf_lut3d.c +++ b/libavfilter/vf_lut3d.c @@ -216,12 +216,12 @@ static int interp_##nbits##_##name(AVFilterContext *ctx, void *arg, int jobnr, i const int slice_end = (in->height * (jobnr+1)) / nb_jobs; \ uint8_t *dstrow = out->data[0] + slice_start * out->linesize[0]; \ const uint8_t *srcrow = in ->data[0] + slice_start * in ->linesize[0]; \ + const float scale = (1. / ((1<<nbits) - 1)) * (lut3d->lutsize - 1); \ \ for (y = slice_start; y < slice_end; y++) { \ uint##nbits##_t *dst = (uint##nbits##_t *)dstrow; \ const uint##nbits##_t *src = (const uint##nbits##_t *)srcrow; \ for (x = 0; x < in->width * step; x += step) { \ - const float scale = (1. / ((1<<nbits) - 1)) * (lut3d->lutsize - 1); \ const struct rgbvec scaled_rgb = {src[x + r] * scale, \ src[x + g] * scale, \ src[x + b] * scale}; \ |