Merge change 25059 into eclair

* changes:
  special-case coordinate conversion when we are taking content coordinates to be invalidate. We need to round "out" these, to account for the slop in antialiasing, rather than using the existing routines that (correctly) round.
diff --git a/camera/libcameraservice/CameraHardwareStub.cpp b/camera/libcameraservice/CameraHardwareStub.cpp
index 24496bb..35f4846 100644
--- a/camera/libcameraservice/CameraHardwareStub.cpp
+++ b/camera/libcameraservice/CameraHardwareStub.cpp
@@ -265,6 +265,11 @@
     return NO_ERROR;
 }
 
+status_t CameraHardwareStub::cancelAutoFocus()
+{
+    return NO_ERROR;
+}
+
 /*static*/ int CameraHardwareStub::beginPictureThread(void *cookie)
 {
     CameraHardwareStub *c = (CameraHardwareStub *)cookie;
diff --git a/camera/libcameraservice/CameraHardwareStub.h b/camera/libcameraservice/CameraHardwareStub.h
index 000906a..f957fa8 100644
--- a/camera/libcameraservice/CameraHardwareStub.h
+++ b/camera/libcameraservice/CameraHardwareStub.h
@@ -51,6 +51,7 @@
     virtual void        releaseRecordingFrame(const sp<IMemory>& mem);
 
     virtual status_t    autoFocus();
+    virtual status_t    cancelAutoFocus();
     virtual status_t    takePicture();
     virtual status_t    cancelPicture();
     virtual status_t    dump(int fd, const Vector<String16>& args) const;
diff --git a/camera/libcameraservice/CameraService.cpp b/camera/libcameraservice/CameraService.cpp
index f425f6b..bab7d08 100644
--- a/camera/libcameraservice/CameraService.cpp
+++ b/camera/libcameraservice/CameraService.cpp
@@ -798,7 +798,6 @@
 }
 #endif
 
-// take a picture - image is returned in callback
 status_t CameraService::Client::autoFocus()
 {
     LOGD("autoFocus (pid %d)", getCallingPid());
@@ -815,6 +814,22 @@
     return mHardware->autoFocus();
 }
 
+status_t CameraService::Client::cancelAutoFocus()
+{
+    LOGD("cancelAutoFocus (pid %d)", getCallingPid());
+
+    Mutex::Autolock lock(mLock);
+    status_t result = checkPid();
+    if (result != NO_ERROR) return result;
+
+    if (mHardware == 0) {
+        LOGE("mHardware is NULL, returning.");
+        return INVALID_OPERATION;
+    }
+
+    return mHardware->cancelAutoFocus();
+}
+
 // take a picture - image is returned in callback
 status_t CameraService::Client::takePicture()
 {
diff --git a/camera/libcameraservice/CameraService.h b/camera/libcameraservice/CameraService.h
index f8c7216..0a909cf 100644
--- a/camera/libcameraservice/CameraService.h
+++ b/camera/libcameraservice/CameraService.h
@@ -110,6 +110,9 @@
         // auto focus
         virtual status_t        autoFocus();
 
+        // cancel auto focus
+        virtual status_t        cancelAutoFocus();
+
         // take a picture - returns an IMemory (ref-counted mmap)
         virtual status_t        takePicture();
 
diff --git a/include/ui/Camera.h b/include/ui/Camera.h
index ae6e255..9ceb8fd 100644
--- a/include/ui/Camera.h
+++ b/include/ui/Camera.h
@@ -143,6 +143,9 @@
             // autoFocus - status returned from callback
             status_t    autoFocus();
 
+            // cancel auto focus
+            status_t    cancelAutoFocus();
+
             // take a picture - picture returned from callback
             status_t    takePicture();
 
diff --git a/include/ui/CameraHardwareInterface.h b/include/ui/CameraHardwareInterface.h
index 535f70e..5fbb7d8 100644
--- a/include/ui/CameraHardwareInterface.h
+++ b/include/ui/CameraHardwareInterface.h
@@ -161,6 +161,14 @@
     virtual status_t    autoFocus() = 0;
 
     /**
+     * Cancels auto-focus function. If the auto-focus is still in progress,
+     * this function will cancel it. Whether the auto-focus is in progress
+     * or not, this function will return the focus position to the default.
+     * If the camera does not support auto-focus, this is a no-op.
+     */
+    virtual status_t    cancelAutoFocus() = 0;
+
+    /**
      * Take a picture.
      */
     virtual status_t    takePicture() = 0;
diff --git a/include/ui/ICamera.h b/include/ui/ICamera.h
index 1df7914..7595e36 100644
--- a/include/ui/ICamera.h
+++ b/include/ui/ICamera.h
@@ -76,6 +76,9 @@
     // auto focus
     virtual status_t        autoFocus() = 0;
 
+    // cancel auto focus
+    virtual status_t        cancelAutoFocus() = 0;
+
     // take a picture
     virtual status_t        takePicture() = 0;
 
diff --git a/libs/audioflinger/AudioFlinger.cpp b/libs/audioflinger/AudioFlinger.cpp
index d9be007..4f7500f 100644
--- a/libs/audioflinger/AudioFlinger.cpp
+++ b/libs/audioflinger/AudioFlinger.cpp
@@ -677,8 +677,8 @@
     }
 }
 
-void AudioFlinger::audioConfigChanged(int event, const sp<ThreadBase>& thread, void *param2) {
-    Mutex::Autolock _l(mLock);
+// audioConfigChanged_l() must be called with AudioFlinger::mLock held
+void AudioFlinger::audioConfigChanged_l(int event, const sp<ThreadBase>& thread, void *param2) {
     int ioHandle = 0;
 
     for (size_t i = 0; i < mPlaybackThreads.size(); i++) {
@@ -700,7 +700,7 @@
         size_t size = mNotificationClients.size();
         for (size_t i = 0; i < size; i++) {
             sp<IBinder> binder = mNotificationClients.itemAt(i);
-            LOGV("audioConfigChanged() Notifying change to client %p", binder.get());
+            LOGV("audioConfigChanged_l() Notifying change to client %p", binder.get());
             sp<IAudioFlingerClient> client = interface_cast<IAudioFlingerClient> (binder);
             client->ioConfigChanged(event, ioHandle, param2);
         }
@@ -803,8 +803,8 @@
         LOGV("processConfigEvents() remaining events %d", mConfigEvents.size());
         ConfigEvent *configEvent = mConfigEvents[0];
         mConfigEvents.removeAt(0);
-        // release mLock because audioConfigChanged() will call
-        // Audioflinger::audioConfigChanged() which locks AudioFlinger mLock thus creating
+        // release mLock because audioConfigChanged() will lock AudioFlinger mLock
+        // before calling Audioflinger::audioConfigChanged_l() thus creating
         // potential cross deadlock between AudioFlinger::mLock and mLock
         mLock.unlock();
         audioConfigChanged(configEvent->mEvent, configEvent->mParam);
@@ -1118,7 +1118,8 @@
     default:
         break;
     }
-    mAudioFlinger->audioConfigChanged(event, this, param2);
+    Mutex::Autolock _l(mAudioFlinger->mLock);
+    mAudioFlinger->audioConfigChanged_l(event, this, param2);
 }
 
 void AudioFlinger::PlaybackThread::readOutputParameters()
@@ -1272,8 +1273,6 @@
     if (!mStandby) {
         mOutput->standby();
     }
-    sendConfigEvent(AudioSystem::OUTPUT_CLOSED);
-    processConfigEvents();
 
     LOGV("MixerThread %p exiting", this);
     return false;
@@ -1772,8 +1771,6 @@
     if (!mStandby) {
         mOutput->standby();
     }
-    sendConfigEvent(AudioSystem::OUTPUT_CLOSED);
-    processConfigEvents();
 
     LOGV("DirectOutputThread %p exiting", this);
     return false;
@@ -1965,9 +1962,6 @@
         }
     }
 
-    sendConfigEvent(AudioSystem::OUTPUT_CLOSED);
-    processConfigEvents();
-
     return false;
 }
 
@@ -3047,9 +3041,6 @@
     }
     mActiveTrack.clear();
 
-    sendConfigEvent(AudioSystem::INPUT_CLOSED);
-    processConfigEvents();
-
     LOGV("RecordThread %p exiting", this);
     return false;
 }
@@ -3234,7 +3225,8 @@
     default:
         break;
     }
-    mAudioFlinger->audioConfigChanged(event, this, param2);
+    Mutex::Autolock _l(mAudioFlinger->mLock);
+    mAudioFlinger->audioConfigChanged_l(event, this, param2);
 }
 
 void AudioFlinger::RecordThread::readInputParameters()
@@ -3379,6 +3371,8 @@
                 }
             }
         }
+        void *param2 = 0;
+        audioConfigChanged_l(AudioSystem::OUTPUT_CLOSED, thread, param2);
         mPlaybackThreads.removeItem(output);
     }
     thread->exit();
@@ -3498,6 +3492,8 @@
         }
 
         LOGV("closeInput() %d", input);
+        void *param2 = 0;
+        audioConfigChanged_l(AudioSystem::INPUT_CLOSED, thread, param2);
         mRecordThreads.removeItem(input);
     }
     thread->exit();
diff --git a/libs/audioflinger/AudioFlinger.h b/libs/audioflinger/AudioFlinger.h
index 65c148e..7a6641f 100644
--- a/libs/audioflinger/AudioFlinger.h
+++ b/libs/audioflinger/AudioFlinger.h
@@ -616,7 +616,7 @@
               MixerThread *checkMixerThread_l(int output) const;
               RecordThread *checkRecordThread_l(int input) const;
               float streamVolumeInternal(int stream) const { return mStreamTypes[stream].volume; }
-              void audioConfigChanged(int event, const sp<ThreadBase>& thread, void *param2);
+              void audioConfigChanged_l(int event, const sp<ThreadBase>& thread, void *param2);
 
     friend class AudioBuffer;
 
diff --git a/libs/ui/Camera.cpp b/libs/ui/Camera.cpp
index 12a7725..0c6d340 100644
--- a/libs/ui/Camera.cpp
+++ b/libs/ui/Camera.cpp
@@ -242,6 +242,14 @@
     return c->autoFocus();
 }
 
+status_t Camera::cancelAutoFocus()
+{
+    LOGV("cancelAutoFocus");
+    sp <ICamera> c = mCamera;
+    if (c == 0) return NO_INIT;
+    return c->cancelAutoFocus();
+}
+
 // take a picture
 status_t Camera::takePicture()
 {
diff --git a/libs/ui/ICamera.cpp b/libs/ui/ICamera.cpp
index 805c2ca..fd7e084 100644
--- a/libs/ui/ICamera.cpp
+++ b/libs/ui/ICamera.cpp
@@ -32,6 +32,7 @@
     START_PREVIEW,
     STOP_PREVIEW,
     AUTO_FOCUS,
+    CANCEL_AUTO_FOCUS,
     TAKE_PICTURE,
     SET_PARAMETERS,
     GET_PARAMETERS,
@@ -162,6 +163,17 @@
         return ret;
     }
 
+    // cancel focus
+    status_t cancelAutoFocus()
+    {
+        LOGV("cancelAutoFocus");
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        remote()->transact(CANCEL_AUTO_FOCUS, data, &reply);
+        status_t ret = reply.readInt32();
+        return ret;
+    }
+
     // take a picture - returns an IMemory (ref-counted mmap)
     status_t takePicture()
     {
@@ -294,6 +306,12 @@
             reply->writeInt32(autoFocus());
             return NO_ERROR;
         } break;
+        case CANCEL_AUTO_FOCUS: {
+            LOGV("CANCEL_AUTO_FOCUS");
+            CHECK_INTERFACE(ICamera, data, reply);
+            reply->writeInt32(cancelAutoFocus());
+            return NO_ERROR;
+        } break;
         case TAKE_PICTURE: {
             LOGV("TAKE_PICTURE");
             CHECK_INTERFACE(ICamera, data, reply);