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Diffstat (limited to 'libmpcodecs/vf_dsize.c')
-rw-r--r--libmpcodecs/vf_dsize.c32
1 files changed, 17 insertions, 15 deletions
diff --git a/libmpcodecs/vf_dsize.c b/libmpcodecs/vf_dsize.c
index 7772b3732d..d46d22ebb2 100644
--- a/libmpcodecs/vf_dsize.c
+++ b/libmpcodecs/vf_dsize.c
@@ -39,29 +39,31 @@ static int config(struct vf_instance *vf,
int width, int height, int d_width, int d_height,
unsigned int flags, unsigned int outfmt)
{
+ int w = vf->priv->w;
+ int h = vf->priv->h;
if (vf->priv->aspect < 0.001) { // did the user input aspect or w,h params
- if (vf->priv->w == 0) vf->priv->w = d_width;
- if (vf->priv->h == 0) vf->priv->h = d_height;
- if (vf->priv->w == -1) vf->priv->w = width;
- if (vf->priv->h == -1) vf->priv->h = height;
- if (vf->priv->w == -2) vf->priv->w = vf->priv->h * (double)d_width / d_height;
- if (vf->priv->w == -3) vf->priv->w = vf->priv->h * (double)width / height;
- if (vf->priv->h == -2) vf->priv->h = vf->priv->w * (double)d_height / d_width;
- if (vf->priv->h == -3) vf->priv->h = vf->priv->w * (double)height / width;
+ if (w == 0) w = d_width;
+ if (h == 0) h = d_height;
+ if (w == -1) w = width;
+ if (h == -1) h = height;
+ if (w == -2) w = h * (double)d_width / d_height;
+ if (w == -3) w = h * (double)width / height;
+ if (h == -2) h = w * (double)d_height / d_width;
+ if (h == -3) h = w * (double)height / width;
if (vf->priv->method > -1) {
double aspect = (vf->priv->method & 2) ? ((double)height / width) : ((double)d_height / d_width);
- if ((vf->priv->h > vf->priv->w * aspect) ^ (vf->priv->method & 1)) {
- vf->priv->h = vf->priv->w * aspect;
+ if ((h > w * aspect) ^ (vf->priv->method & 1)) {
+ h = w * aspect;
} else {
- vf->priv->w = vf->priv->h / aspect;
+ w = h / aspect;
}
}
if (vf->priv->round > 1) { // round up
- vf->priv->w += (vf->priv->round - 1 - (vf->priv->w - 1) % vf->priv->round);
- vf->priv->h += (vf->priv->round - 1 - (vf->priv->h - 1) % vf->priv->round);
+ w += (vf->priv->round - 1 - (w - 1) % vf->priv->round);
+ h += (vf->priv->round - 1 - (h - 1) % vf->priv->round);
}
- d_width = vf->priv->w;
- d_height = vf->priv->h;
+ d_width = w;
+ d_height = h;
} else {
if (vf->priv->aspect * height > width) {
d_width = height * vf->priv->aspect + .5;