Camera: add interface to evict obsolete buffer caches
Test: fix CTS ReprocessCaptureTest
Bug: 34461678
Change-Id: Icde654b0c8423c31d7d39d180913ffa374e7de3c
diff --git a/camera/device/3.2/ICameraDeviceSession.hal b/camera/device/3.2/ICameraDeviceSession.hal
index e186c8d..731fc76 100644
--- a/camera/device/3.2/ICameraDeviceSession.hal
+++ b/camera/device/3.2/ICameraDeviceSession.hal
@@ -183,6 +183,11 @@
* client, the HAL must process the requests in order of lowest index to
* highest index.
*
+ * The cachesToRemove argument contains a list of buffer caches (see
+ * StreamBuffer document for more information on buffer cache) to be removed
+ * by camera HAL. Camera HAL must remove these cache entries whether or not
+ * this method returns OK.
+ *
* The actual request processing is asynchronous, with the results of
* capture being returned by the HAL through the processCaptureResult()
* call. This call requires the result metadata to be available, but output
@@ -238,7 +243,8 @@
* that HAL processed successfully before HAL runs into an error.
*
*/
- processCaptureRequest(vec<CaptureRequest> requests)
+ processCaptureRequest(vec<CaptureRequest> requests,
+ vec<BufferCache> cachesToRemove)
generates (Status status, uint32_t numRequestProcessed);
/**