Fix Test

openh264/src/decoder.rs

@@ -395,7 +395,10 @@ impl DecodedYUV<'_> {
             target.len()
         );
 
-        if dim.0 % 8 == 0 {
+        // for f32x8 math, image needs to:
+        //   - have a width divisible by 8
+        //   - have at least two rows
+        if dim.0 % 8 == 0 && dim.1 >= 2 {
             Self::write_rgb8_f32x8(self.y, self.u, self.v, dim, strides, target);
         } else {
             Self::write_rgb8_scalar(self.y, self.u, self.v, dim, strides, target);

openh264/src/formats/yuv.rs

@@ -363,18 +363,18 @@ mod tests {
     /// Test every YUV value and see, if the SIMD version delivers a similar RGB value.
     #[test]
     fn test_write_rgb8_f32x8_spectrum() {
-        let dim = (8, 1);
+        let dim = (8, 2);
         let strides = (8, 4, 4);
 
         // build artificial YUV planes containing the entire YUV spectrum
         for y in 0..=255u8 {
             for u in 0..=255u8 {
                 for v in 0..=255u8 {
-                    let (y_plane, u_plane, v_plane) = (vec![y; 8], vec![u; 4], vec![v; 4]);
-                    let mut target = vec![0; dim.0 * 3];
+                    let (y_plane, u_plane, v_plane) = (vec![y; 16], vec![u; 4], vec![v; 4]);
+                    let mut target = vec![0; dim.0 * dim.1 * 3];
                     crate::decoder::DecodedYUV::write_rgb8_scalar(&y_plane, &u_plane, &v_plane, dim, strides, &mut target);
 
-                    let mut target2 = vec![0; dim.0 * 3];
+                    let mut target2 = vec![0; dim.0 * dim.1 * 3];
                     crate::decoder::DecodedYUV::write_rgb8_f32x8(&y_plane, &u_plane, &v_plane, dim, strides, &mut target2);
 
                     // compare first pixel