From 3c76fa3e73374dfe7bb93e1b03fed30749e1e4b9 Mon Sep 17 00:00:00 2001
From: Jianing Wei <jianingwei@google.com>
Date: Mon, 21 Apr 2014 11:34:34 -0700
Subject: [PATCH] CameraService: fix waitUntilIdle bug revealed by
 TestingCamera2.

* clear mStreamingRequestList in flush
* fix frame number checker in notify and processCaptureResult

Bug: 14166437
Change-Id: I022421080d05138f9068c1b9b85d83bd613b04fb
---
 services/camera/libcameraservice/api2/CameraDeviceClient.cpp |  1 +
 services/camera/libcameraservice/device3/Camera3Device.cpp   | 10 ++++++----
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/services/camera/libcameraservice/api2/CameraDeviceClient.cpp b/services/camera/libcameraservice/api2/CameraDeviceClient.cpp
index 3d85e90b0e..5a48a62ba7 100644
--- a/services/camera/libcameraservice/api2/CameraDeviceClient.cpp
+++ b/services/camera/libcameraservice/api2/CameraDeviceClient.cpp
@@ -497,6 +497,7 @@ status_t CameraDeviceClient::flush(int64_t* lastFrameNumber) {
 
     if (!mDevice.get()) return DEAD_OBJECT;
 
+    mStreamingRequestList.clear();
     return mDevice->flush(lastFrameNumber);
 }
 
diff --git a/services/camera/libcameraservice/device3/Camera3Device.cpp b/services/camera/libcameraservice/device3/Camera3Device.cpp
index f965136819..25e97f3dc0 100644
--- a/services/camera/libcameraservice/device3/Camera3Device.cpp
+++ b/services/camera/libcameraservice/device3/Camera3Device.cpp
@@ -1749,13 +1749,14 @@ void Camera3Device::processCaptureResult(const camera3_capture_result *result) {
 
         gotResult = true;
 
-        if (frameNumber != mNextResultFrameNumber) {
+        // TODO: need to track errors for tighter bounds on expected frame number
+        if (frameNumber < mNextResultFrameNumber) {
             SET_ERR("Out-of-order capture result metadata submitted! "
                     "(got frame number %d, expecting %d)",
                     frameNumber, mNextResultFrameNumber);
             return;
         }
-        mNextResultFrameNumber++;
+        mNextResultFrameNumber = frameNumber + 1;
 
         CaptureResult captureResult;
         captureResult.mResultExtras = resultExtras;
@@ -1889,13 +1890,14 @@ void Camera3Device::notify(const camera3_notify_msg *msg) {
             // Verify ordering of shutter notifications
             {
                 Mutex::Autolock l(mOutputLock);
-                if (frameNumber != mNextShutterFrameNumber) {
+                // TODO: need to track errors for tighter bounds on expected frame number.
+                if (frameNumber < mNextShutterFrameNumber) {
                     SET_ERR("Shutter notification out-of-order. Expected "
                             "notification for frame %d, got frame %d",
                             mNextShutterFrameNumber, frameNumber);
                     break;
                 }
-                mNextShutterFrameNumber++;
+                mNextShutterFrameNumber = frameNumber + 1;
             }
 
             CaptureResultExtras resultExtras;
-- 
2.11.0