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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-05-24 17:33:59 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-05-24 17:46:57 +0200 |
| commit | 1d08e4b584cc8a12fa4b63bc13829f1e6d4f2e55 (patch) | |
| tree | 3fc2737aad9f5e8585019748ae50f5ebeef12c1a /libavfilter/vf_yadif.c | |
| parent | 221f902f1dc167bdc0bfdff6b6af3214ae3cc1f4 (diff) | |
yadif: fix slice sizes
This more evenly distributes the load between threads
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavfilter/vf_yadif.c')
| -rw-r--r-- | libavfilter/vf_yadif.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/libavfilter/vf_yadif.c b/libavfilter/vf_yadif.c index 124ef917d3..8cd6f0dc37 100644 --- a/libavfilter/vf_yadif.c +++ b/libavfilter/vf_yadif.c @@ -190,9 +190,8 @@ static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) int refs = s->cur->linesize[td->plane]; int df = (s->csp->comp[td->plane].depth_minus1 + 8) / 8; int pix_3 = 3 * df; - int slice_h = td->h / nb_jobs; - int slice_start = jobnr * slice_h; - int slice_end = (jobnr == nb_jobs - 1) ? td->h : (jobnr + 1) * slice_h; + int slice_start = (td->h * jobnr ) / nb_jobs; + int slice_end = (td->h * (jobnr+1)) / nb_jobs; int y; /* filtering reads 3 pixels to the left/right; to avoid invalid reads, |