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| author | Ganesh Ajjanagadde <gajjanagadde@gmail.com> | 2015-11-25 17:32:15 -0500 |
|---|---|---|
| committer | Ganesh Ajjanagadde <gajjanagadde@gmail.com> | 2015-12-02 18:31:56 -0500 |
| commit | c6bea81acfa49d7e73f625332fc304d8a0fd09bd (patch) | |
| tree | 92e2f17dee7c02327300016dc2dc5002bdbf9b13 /libavfilter/vf_perspective.c | |
| parent | fa5d299496c15e992240914ae05b92d9b74eb3c4 (diff) | |
| download | ffmpeg-c6bea81acfa49d7e73f625332fc304d8a0fd09bd.tar.gz | |
avfilter/vf_perspective: use lrint instead of floor hack
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
Diffstat (limited to 'libavfilter/vf_perspective.c')
| -rw-r--r-- | libavfilter/vf_perspective.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/libavfilter/vf_perspective.c b/libavfilter/vf_perspective.c index 970870cda5..13053f1b77 100644 --- a/libavfilter/vf_perspective.c +++ b/libavfilter/vf_perspective.c @@ -213,10 +213,10 @@ static int config_input(AVFilterLink *inlink) for (x = 0; x < w; x++){ int u, v; - u = (int)floor(SUB_PIXELS * (x0 * x + x1 * y + x2) / - (x6 * x + x7 * y + x8) + 0.5); - v = (int)floor(SUB_PIXELS * (x3 * x + x4 * y + x5) / - (x6 * x + x7 * y + x8) + 0.5); + u = lrint(SUB_PIXELS * (x0 * x + x1 * y + x2) / + (x6 * x + x7 * y + x8)); + v = lrint(SUB_PIXELS * (x3 * x + x4 * y + x5) / + (x6 * x + x7 * y + x8)); s->pv[x + y * w][0] = u; s->pv[x + y * w][1] = v; @@ -235,7 +235,7 @@ static int config_input(AVFilterLink *inlink) sum += temp[j]; for (j = 0; j < 4; j++) - s->coeff[i][j] = (int)floor((1 << COEFF_BITS) * temp[j] / sum + 0.5); + s->coeff[i][j] = lrint((1 << COEFF_BITS) * temp[j] / sum); } return 0; |