Camera: add buffer size to Stream
So that HALs without device knowledge knows the maximal size
it can lock using graphics mapper API.
Bug: 64874137 72261675
Change-Id: I7363f5c63d955ab412f9570bf8e5be2a942cf381
diff --git a/camera/device/3.4/types.hal b/camera/device/3.4/types.hal
index 77e855f..75c64ab 100644
--- a/camera/device/3.4/types.hal
+++ b/camera/device/3.4/types.hal
@@ -30,7 +30,7 @@
* by the framework by its buffer resolution and format, and additionally by the
* HAL with the gralloc usage flags and the maximum in-flight buffer count.
*
- * This version extends the @3.2 Stream with the physicalCameraId field.
+ * This version extends the @3.2 Stream with the physicalCameraId and bufferSize field.
*/
struct Stream {
/**
@@ -59,6 +59,21 @@
* instance names returned by getCameraIdList().
*/
string physicalCameraId;
+
+ /**
+ * The size of a buffer from this Stream, in bytes.
+ *
+ * For non PixelFormat::BLOB formats, this entry must be 0 and HAL should use
+ * android.hardware.graphics.mapper lockYCbCr API to get buffer layout.
+ *
+ * For BLOB format with dataSpace Dataspace::DEPTH, this must be zero and and HAL must
+ * determine the buffer size based on ANDROID_DEPTH_MAX_DEPTH_SAMPLES.
+ *
+ * For BLOB format with dataSpace Dataspace::JFIF, this must be non-zero and represent the
+ * maximal size HAL can lock using android.hardware.graphics.mapper lock API.
+ *
+ */
+ uint32_t bufferSize;
};
/**