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| author | Eino-Ville Talvala <etalvala@google.com> | 2012-05-03 13:49:57 -0700 |
|---|---|---|
| committer | Android (Google) Code Review <android-gerrit@google.com> | 2012-05-03 13:49:57 -0700 |
| commit | 163a3ae770c290f87347e5b413ec8ff9f128a311 (patch) | |
| tree | 3606afa74cc0e3db7bb752c0559981392ee0cfec /graphics/java | |
| parent | e06747c727c9edc05c1d32f389a2347a11f653d5 (diff) | |
| parent | 951516358e2841d2425f610bcd0175d9960135d2 (diff) | |
| download | frameworks_base-163a3ae770c290f87347e5b413ec8ff9f128a311.zip frameworks_base-163a3ae770c290f87347e5b413ec8ff9f128a311.tar.gz frameworks_base-163a3ae770c290f87347e5b413ec8ff9f128a311.tar.bz2 | |
Merge "Update docs for YV12 format and camera preview callbacks." into jb-dev
Diffstat (limited to 'graphics/java')
| -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 b3a8fd7..f6b747a 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; |