Initial implementation of android.hardware.photography.CameraDevice (service)
* Verified preview streaming requests
* Other things *should* work but unverified / unimplemented in client side
Missing:
* CameraService needs to return static camera info metadata
Bug: 9213377
Change-Id: I71568560fcf18d0e2b408ed1c4d0066647314868
diff --git a/camera/photography/ICameraDeviceCallbacks.cpp b/camera/photography/ICameraDeviceCallbacks.cpp
new file mode 100644
index 0000000..19763d7
--- /dev/null
+++ b/camera/photography/ICameraDeviceCallbacks.cpp
@@ -0,0 +1,110 @@
+/*
+**
+** Copyright 2013, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+** http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "ICameraDeviceCallbacks"
+#include <utils/Log.h>
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <binder/Parcel.h>
+#include <gui/IGraphicBufferProducer.h>
+#include <gui/Surface.h>
+#include <utils/Mutex.h>
+
+#include <camera/photography/ICameraDeviceCallbacks.h>
+#include "camera/CameraMetadata.h"
+
+namespace android {
+
+enum {
+ NOTIFY_CALLBACK = IBinder::FIRST_CALL_TRANSACTION,
+ RESULT_RECEIVED,
+};
+
+class BpCameraDeviceCallbacks: public BpInterface<ICameraDeviceCallbacks>
+{
+public:
+ BpCameraDeviceCallbacks(const sp<IBinder>& impl)
+ : BpInterface<ICameraDeviceCallbacks>(impl)
+ {
+ }
+
+ // generic callback from camera service to app
+ void notifyCallback(int32_t msgType, int32_t ext1, int32_t ext2)
+ {
+ ALOGV("notifyCallback");
+ Parcel data, reply;
+ data.writeInterfaceToken(ICameraDeviceCallbacks::getInterfaceDescriptor());
+ data.writeInt32(msgType);
+ data.writeInt32(ext1);
+ data.writeInt32(ext2);
+ remote()->transact(NOTIFY_CALLBACK, data, &reply, IBinder::FLAG_ONEWAY);
+ data.writeNoException();
+ }
+
+ void onResultReceived(int32_t frameId, const CameraMetadata& result) {
+ ALOGV("onResultReceived");
+ Parcel data, reply;
+ data.writeInterfaceToken(ICameraDeviceCallbacks::getInterfaceDescriptor());
+ data.writeInt32(frameId);
+ result.writeToParcel(&data);
+ remote()->transact(RESULT_RECEIVED, data, &reply, IBinder::FLAG_ONEWAY);
+ data.writeNoException();
+ }
+};
+
+IMPLEMENT_META_INTERFACE(CameraDeviceCallbacks,
+ "android.hardware.photography.ICameraDeviceCallbacks");
+
+// ----------------------------------------------------------------------
+
+status_t BnCameraDeviceCallbacks::onTransact(
+ uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+ ALOGV("onTransact - code = %d", code);
+ switch(code) {
+ case NOTIFY_CALLBACK: {
+ ALOGV("NOTIFY_CALLBACK");
+ CHECK_INTERFACE(ICameraDeviceCallbacks, data, reply);
+ int32_t msgType = data.readInt32();
+ int32_t ext1 = data.readInt32();
+ int32_t ext2 = data.readInt32();
+ notifyCallback(msgType, ext1, ext2);
+ data.readExceptionCode();
+ return NO_ERROR;
+ } break;
+ case RESULT_RECEIVED: {
+ ALOGV("RESULT_RECEIVED");
+ CHECK_INTERFACE(ICameraDeviceCallbacks, data, reply);
+ int32_t frameId = data.readInt32();
+ CameraMetadata result;
+ result.readFromParcel(const_cast<Parcel*>(&data));
+ onResultReceived(frameId, result);
+ data.readExceptionCode();
+ return NO_ERROR;
+ break;
+ }
+ default:
+ return BBinder::onTransact(code, data, reply, flags);
+ }
+}
+
+// ----------------------------------------------------------------------------
+
+}; // namespace android
+