vf_flip: move flipping code to mp_image.c

3 files changed, 10 insertions, 4 deletions

diff --git a/video/filter/vf_flip.c b/video/filter/vf_flip.c
index c94da49403..a28633c7ef 100644
--- a/video/filter/vf_flip.c
+++ b/video/filter/vf_flip.c
@@ -40,10 +40,7 @@ static int config(struct vf_instance *vf, int width, int height,
 
 static struct mp_image *filter(struct vf_instance *vf, struct mp_image *mpi)
 {
-    for (int p = 0; p < mpi->num_planes; p++) {
-        mpi->planes[p] = mpi->planes[p] + mpi->stride[p] * (mpi->plane_h[p] - 1);
-        mpi->stride[p] = -mpi->stride[p];
-    }
+    mp_image_vflip(mpi);
     return mpi;
 }
 
diff --git a/video/mp_image.c b/video/mp_image.c
index dd58f131a8..78becf28ea 100644
--- a/video/mp_image.c
+++ b/video/mp_image.c
@@ -399,6 +399,14 @@ void mp_image_clear(struct mp_image *img, int x0, int y0, int x1, int y1)
     }
 }
 
+void mp_image_vflip(struct mp_image *img)
+{
+    for (int p = 0; p < img->num_planes; p++) {
+        img->planes[p] = img->planes[p] + img->stride[p] * (img->plane_h[p] - 1);
+        img->stride[p] = -img->stride[p];
+    }
+}
+
 enum mp_csp mp_image_csp(struct mp_image *img)
 {
     if (img->colorspace != MP_CSP_AUTO)
diff --git a/video/mp_image.h b/video/mp_image.h
index d51996c226..6ba9393671 100644
--- a/video/mp_image.h
+++ b/video/mp_image.h
@@ -103,6 +103,7 @@ void mp_image_unrefp(struct mp_image **p_img);
 void mp_image_clear(struct mp_image *mpi, int x0, int y0, int x1, int y1);
 void mp_image_crop(struct mp_image *img, int x0, int y0, int x1, int y1);
 void mp_image_crop_rc(struct mp_image *img, struct mp_rect rc);
+void mp_image_vflip(struct mp_image *img);
 
 void mp_image_set_size(struct mp_image *mpi, int w, int h);
 void mp_image_set_display_size(struct mp_image *mpi, int dw, int dh);