return 0;
}
-static void fov_from_dfov(V360Context *s, float w, float h)
+static void fov_from_dfov(float d_fov, float w, float h, float *h_fov, float *v_fov)
{
- const float da = tanf(0.5 * FFMIN(s->d_fov, 359.f) * M_PI / 180.f);
+ const float da = tanf(0.5 * FFMIN(d_fov, 359.f) * M_PI / 180.f);
const float d = hypotf(w, h);
- s->h_fov = atan2f(da * w, d) * 360.f / M_PI;
- s->v_fov = atan2f(da * h, d) * 360.f / M_PI;
+ *h_fov = atan2f(da * w, d) * 360.f / M_PI;
+ *v_fov = atan2f(da * h, d) * 360.f / M_PI;
- if (s->h_fov < 0.f)
- s->h_fov += 360.f;
- if (s->v_fov < 0.f)
- s->v_fov += 360.f;
+ if (*h_fov < 0.f)
+ *h_fov += 360.f;
+ if (*v_fov < 0.f)
+ *v_fov += 360.f;
}
static void set_dimensions(int *outw, int *outh, int w, int h, const AVPixFmtDescriptor *desc)
}
if (s->d_fov > 0.f)
- fov_from_dfov(s, w, h);
+ fov_from_dfov(s->d_fov, w, h, &s->h_fov, &s->v_fov);
if (prepare_out) {
err = prepare_out(ctx);