Camera: add batching support
Currently only batching high speed recording request/results.
Test: GCA slow motion recording working
Bug: 34899394
Change-Id: Id83b9d1cefe011391c86a5e7e898262a169cc9e7
diff --git a/camera/device/3.2/ICameraDeviceCallback.hal b/camera/device/3.2/ICameraDeviceCallback.hal
index 753d085..bf51da2 100644
--- a/camera/device/3.2/ICameraDeviceCallback.hal
+++ b/camera/device/3.2/ICameraDeviceCallback.hal
@@ -35,7 +35,8 @@
/**
* processCaptureResult:
*
- * Send results from a completed capture to the framework.
+ * Send results from one or more completed or partially completed captures
+ * to the framework.
* processCaptureResult() may be invoked multiple times by the HAL in
* response to a single capture request. This allows, for example, the
* metadata and low-resolution buffers to be returned in one call, and
@@ -61,11 +62,14 @@
* acceptable and expected that the buffer for request 5 for stream A may be
* returned after the buffer for request 6 for stream B is. And it is
* acceptable that the result metadata for request 6 for stream B is
- * returned before the buffer for request 5 for stream A is.
+ * returned before the buffer for request 5 for stream A is. If multiple
+ * capture results are included in a single call, camera framework must
+ * process results sequentially from lower index to higher index, as if
+ * these results were sent to camera framework one by one, from lower index
+ * to higher index.
*
* The HAL retains ownership of result structure, which only needs to be
- * valid to access during this call. The framework must copy whatever it
- * needs before this call returns.
+ * valid to access during this call.
*
* The output buffers do not need to be filled yet; the framework must wait
* on the stream buffer release sync fence before reading the buffer
@@ -93,20 +97,23 @@
*
* Performance requirements:
*
- * This is a non-blocking call. The framework must return this call in 5ms.
+ * This is a non-blocking call. The framework must handle each CaptureResult
+ * within 5ms.
*
* The pipeline latency (see S7 for definition) should be less than or equal to
* 4 frame intervals, and must be less than or equal to 8 frame intervals.
*
*/
- processCaptureResult(CaptureResult result);
+ processCaptureResult(vec<CaptureResult> results);
/**
* notify:
*
* Asynchronous notification callback from the HAL, fired for various
* reasons. Only for information independent of frame capture, or that
- * require specific timing.
+ * require specific timing. Multiple messages may be sent in one call; a
+ * message with a higher index must be considered to have occurred after a
+ * message with a lower index.
*
* Multiple threads may call notify() simultaneously.
*
@@ -119,8 +126,8 @@
* ------------------------------------------------------------------------
* Performance requirements:
*
- * This is a non-blocking call. The framework must return this call in 5ms.
+ * This is a non-blocking call. The framework must handle each message in 5ms.
*/
- notify(NotifyMsg msg);
+ notify(vec<NotifyMsg> msgs);
};