diff options
Diffstat (limited to 'graphics/java/android')
| -rw-r--r-- | graphics/java/android/graphics/ImageFormat.java | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/graphics/java/android/graphics/ImageFormat.java b/graphics/java/android/graphics/ImageFormat.java index b3a8fd7ba87c..f6b747a0af83 100644 --- a/graphics/java/android/graphics/ImageFormat.java +++ b/graphics/java/android/graphics/ImageFormat.java @@ -48,14 +48,26 @@ public class ImageFormat { * </p> * * <pre> y_size = stride * height - * c_size = ALIGN(stride/2, 16) * height/2 + * c_stride = ALIGN(stride/2, 16) + * c_size = c_stride * height/2 * size = y_size + c_size * 2 * cr_offset = y_size * cb_offset = y_size + c_size</pre> * - * This format is guaranteed to be supported for camera preview images since + * <p>This format is guaranteed to be supported for camera preview images since * API level 12; for earlier API versions, check * {@link android.hardware.Camera.Parameters#getSupportedPreviewFormats()}. + * + * <p>Note that for camera preview callback use (see + * {@link android.hardware.Camera#setPreviewCallback}), the + * <var>stride</var> value is the smallest possible; that is, it is equal + * to: + * + * <pre>stride = ALIGN(width, 16)</pre> + * + * @see android.hardware.Camera.Parameters#setPreviewCallback + * @see android.hardware.Camera.Parameters#setPreviewFormat + * @see android.hardware.Camera.Parameters#getSupportedPreviewFormats * </p> */ public static final int YV12 = 0x32315659; |