@@ -56,9 +56,9 @@ AVFILTER_DEFINE_CLASS(lenscorrection);

 typedef struct ThreadData {

     AVFrame *in, *out;

-    float w, h;

+    int w, h;

     int plane;

-    float xcenter, ycenter;

+    int xcenter, ycenter;

     float k1, k2;

 } ThreadData;

@@ -68,9 +68,9 @@ static int filter_slice(AVFilterContext *ctx, void *arg, int job, int nb_jobs)

     AVFrame *in = td->in;

     AVFrame *out = td->out;

-    const float w = td->w, h = td->h;

-    const float xcenter = td->xcenter;

-    const float ycenter = td->ycenter;

+    const int w = td->w, h = td->h;

+    const int xcenter = td->xcenter;

+    const int ycenter = td->ycenter;

     const float r2inv = 4.0 / (w * w + h * h);

     const float k1 = td->k1;

     const float k2 = td->k2;

@@ -83,12 +83,12 @@ static int filter_slice(AVFilterContext *ctx, void *arg, int job, int nb_jobs)

     uint8_t *outrow = out->data[plane] + start * outlinesize;

     int i;

     for (i = start; i < end; i++, outrow += outlinesize) {

-        const float off_y = i - ycenter;

-        const float off_y2 = off_y * off_y;

+        const int off_y = i - ycenter;

+        const int off_y2 = off_y * off_y;

         uint8_t *out = outrow;

         int j;

         for (j = 0; j < w; j++) {

-            const float off_x = j - xcenter;

+            const int off_x = j - xcenter;

             const float r2 = (off_x * off_x + off_y2) * r2inv;

             const float radius_mult = 1.0f + r2 * k1 + r2 * r2 * k2;

             const int x = xcenter + radius_mult * off_x + 0.5f;

@@ -147,10 +147,10 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)

     for (plane = 0; plane < rect->nb_planes; ++plane) {

         int hsub = plane == 1 || plane == 2 ? rect->hsub : 0;

         int vsub = plane == 1 || plane == 2 ? rect->vsub : 0;

-        float hdiv = 1 << hsub;

-        float vdiv = 1 << vsub;

-        float w = rect->width / hdiv;

-        float h = rect->height / vdiv;

+        int hdiv = 1 << hsub;

+        int vdiv = 1 << vsub;

+        int w = rect->width / hdiv;

+        int h = rect->height / vdiv;

         ThreadData td = {

             .in = in,

             .out  = out,