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-rw-r--r--src/ipa/ipu3/algorithms/af.cpp23
1 files changed, 15 insertions, 8 deletions
diff --git a/src/ipa/ipu3/algorithms/af.cpp b/src/ipa/ipu3/algorithms/af.cpp
index 2902f2d5..b96078f5 100644
--- a/src/ipa/ipu3/algorithms/af.cpp
+++ b/src/ipa/ipu3/algorithms/af.cpp
@@ -160,16 +160,23 @@ int Af::configure(IPAContext &context, const IPAConfigInfo &configInfo)
grid.height_per_slice = kAfDefaultHeightPerSlice;
- /* x_start and y start are default to BDS center */
- grid.x_start = (configInfo.bdsOutputSize.width / 2) -
- (((grid.width << grid.block_width_log2) / 2));
- grid.y_start = (configInfo.bdsOutputSize.height / 2) -
- (((grid.height << grid.block_height_log2) / 2));
+ /* Position the AF grid in the center of the BDS output. */
+ Rectangle bds(configInfo.bdsOutputSize);
+ Size gridSize(grid.width << grid.block_width_log2,
+ grid.height << grid.block_height_log2);
+
+ /*
+ * \todo - Support request metadata
+ * - Set the ROI based on any input controls in the request
+ * - Return the AF ROI as metadata in the Request
+ */
+ Rectangle roi = gridSize.centeredTo(bds.center());
+ Point start = roi.topLeft();
/* x_start and y_start should be even */
- grid.x_start = (grid.x_start / 2) * 2;
- grid.y_start = (grid.y_start / 2) * 2;
- grid.y_start = grid.y_start | IPU3_UAPI_GRID_Y_START_EN;
+ grid.x_start = utils::alignDown(start.x, 2);
+ grid.y_start = utils::alignDown(start.y, 2);
+ grid.y_start |= IPU3_UAPI_GRID_Y_START_EN;
/* Initial max focus step */
maxStep_ = kMaxFocusSteps;