diff --git a/examples/capture/.gitignore b/examples/capture/.gitignore
index a46e442..ec8f8a0 100644
--- a/examples/capture/.gitignore
+++ b/examples/capture/.gitignore
@@ -84,3 +84,6 @@ fabric.properties
 # Android studio 3.1+ serialized cache file
 .idea/caches/build_file_checksums.ser
 
+*.png
+*.jpg
+*.jpeg
diff --git a/nokhwa-core/src/types.rs b/nokhwa-core/src/types.rs
index 2457713..790d977 100644
--- a/nokhwa-core/src/types.rs
+++ b/nokhwa-core/src/types.rs
@@ -1782,6 +1782,8 @@ pub fn buf_nv12_to_rgb(
         });
     }
 
+    let rgba_size = if rgba { 4 } else { 3 };
+
     let y_section = (resolution.width() * resolution.height()) as usize;
 
     for (idx, row) in data[0..y_section]
@@ -1794,13 +1796,12 @@ pub fn buf_nv12_to_rgb(
             let y1 = block[1];
             // determine the u and v
             let block_offset_idx = y_section + (true_idx * resolution.height() as usize) + cidx * 2;
-            let offset_idx = idx * resolution.height() as usize * (if rgba { 4 } else { 3 })
-                + cidx * 2 * (if rgba { 4 } else { 3 });
+            let offset_idx = idx * resolution.height() as usize * rgba_size + cidx * 2 * rgba_size;
             let u = data[block_offset_idx];
             let v = data[block_offset_idx + 1];
             if rgba {
-                let px0 = yuyv444_to_rgba(y0 as i32, u as i32, v as i32);
-                let px1 = yuyv444_to_rgba(y1 as i32, u as i32, v as i32);
+                let px0 = yuyv444_to_rgba(y0 as i32, v as i32, u as i32);
+                let px1 = yuyv444_to_rgba(y1 as i32, v as i32, u as i32);
                 out[offset_idx] = px0[0];
                 out[offset_idx + 1] = px0[1];
                 out[offset_idx + 2] = px0[2];