commit 52e9ad48ddd3c2e7c90a9002a2a65a5d63125b78
author Eino-Ville Talvala <etalvala@google.com> Wed Sep 19 17:09:15 2012 -0700
committer Eino-Ville Talvala <etalvala@google.com> Thu Sep 20 09:19:16 2012 -0700
tree b219692ff28ae15e1923e08b1cf234202c0e589b
parent a4247b833599882b23db39e9f773746dc2fd9693

Camera2: State must be STOPPED before JPEG callback is fired.

Move handling of JPEG callback to CaptureSequencer instead of
JpegProcessor, so that we can be sure the camera state is updated to
STOPPED before the JPEG callback is sent to the application layer.

Bug: 7172743
Change-Id: Ie8752d946d3eb8254230c77f10e5c38a83dc5371

services/camera/libcameraservice/camera2/CaptureSequencer.cpp

diff --git a/services/camera/libcameraservice/camera2/CaptureSequencer.cpp b/services/camera/libcameraservice/camera2/CaptureSequencer.cpp
index 24ecf28..941ad15 100644
--- a/services/camera/libcameraservice/camera2/CaptureSequencer.cpp
+++ b/services/camera/libcameraservice/camera2/CaptureSequencer.cpp
@@ -96,11 +96,13 @@
     }
 }
 
-void CaptureSequencer::onCaptureAvailable(nsecs_t timestamp) {
+void CaptureSequencer::onCaptureAvailable(nsecs_t timestamp,
+        sp<MemoryBase> captureBuffer) {
     ATRACE_CALL();
     ALOGV("%s", __FUNCTION__);
     Mutex::Autolock l(mInputMutex);
     mCaptureTimestamp = timestamp;
+    mCaptureBuffer = captureBuffer;
     if (!mNewCaptureReceived) {
         mNewCaptureReceived = true;
         mNewCaptureSignal.signal();
@@ -195,7 +197,7 @@
 }
 
 CaptureSequencer::CaptureState CaptureSequencer::manageDone(sp<Camera2Client> &client) {
-    status_t res;
+    status_t res = OK;
     ATRACE_CALL();
     mCaptureId++;
 
@@ -204,20 +206,34 @@
         mBusy = false;
     }
 
-    SharedParameters::Lock l(client->getParameters());
-    switch (l.mParameters.state) {
-        case Parameters::STILL_CAPTURE:
-            l.mParameters.state = Parameters::STOPPED;
-            break;
-        case Parameters::VIDEO_SNAPSHOT:
-            l.mParameters.state = Parameters::RECORD;
-            break;
-        default:
-            ALOGE("%s: Camera %d: Still image produced unexpectedly "
-                    "in state %s!",
-                    __FUNCTION__, client->getCameraId(),
-                    Parameters::getStateName(l.mParameters.state));
+    {
+        SharedParameters::Lock l(client->getParameters());
+        switch (l.mParameters.state) {
+            case Parameters::STILL_CAPTURE:
+                l.mParameters.state = Parameters::STOPPED;
+                break;
+            case Parameters::VIDEO_SNAPSHOT:
+                l.mParameters.state = Parameters::RECORD;
+                break;
+            default:
+                ALOGE("%s: Camera %d: Still image produced unexpectedly "
+                        "in state %s!",
+                        __FUNCTION__, client->getCameraId(),
+                        Parameters::getStateName(l.mParameters.state));
+                res = INVALID_OPERATION;
+        }
     }
+    if (mCaptureBuffer != 0 && res == OK) {
+        Camera2Client::SharedCameraClient::Lock l(client->mSharedCameraClient);
+        ALOGV("%s: Sending still image to client", __FUNCTION__);
+        if (l.mCameraClient != 0) {
+            l.mCameraClient->dataCallback(CAMERA_MSG_COMPRESSED_IMAGE,
+                    mCaptureBuffer, NULL);
+        } else {
+            ALOGV("%s: No client!", __FUNCTION__);
+        }
+    }
+    mCaptureBuffer.clear();
 
     return IDLE;
 }