move native services under services/
moved surfaceflinger, audioflinger, cameraservice
all native services should now reside in this location.
Change-Id: Iee42b83dd2a94c3bf5107ab0895fe2dfcd5337a8
diff --git a/services/camera/libcameraservice/CameraService.h b/services/camera/libcameraservice/CameraService.h
new file mode 100644
index 0000000..8193e77
--- /dev/null
+++ b/services/camera/libcameraservice/CameraService.h
@@ -0,0 +1,194 @@
+/*
+**
+** Copyright (C) 2008, The Android Open Source Project
+** Copyright (C) 2008 HTC Inc.
+**
+** 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.
+*/
+
+#ifndef ANDROID_SERVERS_CAMERA_CAMERASERVICE_H
+#define ANDROID_SERVERS_CAMERA_CAMERASERVICE_H
+
+#include <camera/ICameraService.h>
+#include <camera/CameraHardwareInterface.h>
+
+/* This needs to be increased if we can have more cameras */
+#define MAX_CAMERAS 2
+
+namespace android {
+
+class MemoryHeapBase;
+class MediaPlayer;
+
+class CameraService: public BnCameraService
+{
+ class Client;
+public:
+ static void instantiate();
+
+ CameraService();
+ virtual ~CameraService();
+
+ virtual int32_t getNumberOfCameras();
+ virtual status_t getCameraInfo(int cameraId,
+ struct CameraInfo* cameraInfo);
+ virtual sp<ICamera> connect(const sp<ICameraClient>& cameraClient, int cameraId);
+ virtual void removeClient(const sp<ICameraClient>& cameraClient);
+ virtual sp<Client> getClientById(int cameraId);
+
+ virtual status_t dump(int fd, const Vector<String16>& args);
+ virtual status_t onTransact(uint32_t code, const Parcel& data,
+ Parcel* reply, uint32_t flags);
+
+ enum sound_kind {
+ SOUND_SHUTTER = 0,
+ SOUND_RECORDING = 1,
+ NUM_SOUNDS
+ };
+
+ void loadSound();
+ void playSound(sound_kind kind);
+ void releaseSound();
+
+private:
+ Mutex mServiceLock;
+ wp<Client> mClient[MAX_CAMERAS]; // protected by mServiceLock
+ int mNumberOfCameras;
+
+ // atomics to record whether the hardware is allocated to some client.
+ volatile int32_t mBusy[MAX_CAMERAS];
+ void setCameraBusy(int cameraId);
+ void setCameraFree(int cameraId);
+
+ // sounds
+ Mutex mSoundLock;
+ sp<MediaPlayer> mSoundPlayer[NUM_SOUNDS];
+ int mSoundRef; // reference count (release all MediaPlayer when 0)
+
+ class Client : public BnCamera
+ {
+ public:
+ // ICamera interface (see ICamera for details)
+ virtual void disconnect();
+ virtual status_t connect(const sp<ICameraClient>& client);
+ virtual status_t lock();
+ virtual status_t unlock();
+ virtual status_t setPreviewDisplay(const sp<ISurface>& surface);
+ virtual void setPreviewCallbackFlag(int flag);
+ virtual status_t startPreview();
+ virtual void stopPreview();
+ virtual bool previewEnabled();
+ virtual status_t startRecording();
+ virtual void stopRecording();
+ virtual bool recordingEnabled();
+ virtual void releaseRecordingFrame(const sp<IMemory>& mem);
+ virtual status_t autoFocus();
+ virtual status_t cancelAutoFocus();
+ virtual status_t takePicture();
+ virtual status_t setParameters(const String8& params);
+ virtual String8 getParameters() const;
+ virtual status_t sendCommand(int32_t cmd, int32_t arg1, int32_t arg2);
+ private:
+ friend class CameraService;
+ Client(const sp<CameraService>& cameraService,
+ const sp<ICameraClient>& cameraClient,
+ int cameraId,
+ int clientPid);
+ ~Client();
+
+ // return our camera client
+ const sp<ICameraClient>& getCameraClient() { return mCameraClient; }
+
+ // check whether the calling process matches mClientPid.
+ status_t checkPid() const;
+ status_t checkPidAndHardware() const; // also check mHardware != 0
+
+ // these are internal functions used to set up preview buffers
+ status_t registerPreviewBuffers();
+ status_t setOverlay();
+
+ // camera operation mode
+ enum camera_mode {
+ CAMERA_PREVIEW_MODE = 0, // frame automatically released
+ CAMERA_RECORDING_MODE = 1, // frame has to be explicitly released by releaseRecordingFrame()
+ };
+ // these are internal functions used for preview/recording
+ status_t startCameraMode(camera_mode mode);
+ status_t startPreviewMode();
+ status_t startRecordingMode();
+
+ // these are static callback functions
+ static void notifyCallback(int32_t msgType, int32_t ext1, int32_t ext2, void* user);
+ static void dataCallback(int32_t msgType, const sp<IMemory>& dataPtr, void* user);
+ static void dataCallbackTimestamp(nsecs_t timestamp, int32_t msgType, const sp<IMemory>& dataPtr, void* user);
+ // convert client from cookie
+ static sp<Client> getClientFromCookie(void* user);
+ // handlers for messages
+ void handleShutter(image_rect_type *size);
+ void handlePreviewData(const sp<IMemory>& mem);
+ void handlePostview(const sp<IMemory>& mem);
+ void handleRawPicture(const sp<IMemory>& mem);
+ void handleCompressedPicture(const sp<IMemory>& mem);
+ void handleGenericNotify(int32_t msgType, int32_t ext1, int32_t ext2);
+ void handleGenericData(int32_t msgType, const sp<IMemory>& dataPtr);
+ void handleGenericDataTimestamp(nsecs_t timestamp, int32_t msgType, const sp<IMemory>& dataPtr);
+
+ void copyFrameAndPostCopiedFrame(
+ const sp<ICameraClient>& client,
+ const sp<IMemoryHeap>& heap,
+ size_t offset, size_t size);
+
+ // these are initialized in the constructor.
+ sp<CameraService> mCameraService; // immutable after constructor
+ sp<ICameraClient> mCameraClient;
+ int mCameraId; // immutable after constructor
+ pid_t mClientPid;
+ sp<CameraHardwareInterface> mHardware; // cleared after disconnect()
+ bool mUseOverlay; // immutable after constructor
+ sp<OverlayRef> mOverlayRef;
+ int mOverlayW;
+ int mOverlayH;
+ int mPreviewCallbackFlag;
+ int mOrientation;
+
+ // Ensures atomicity among the public methods
+ mutable Mutex mLock;
+ sp<ISurface> mSurface;
+
+ // If the user want us to return a copy of the preview frame (instead
+ // of the original one), we allocate mPreviewBuffer and reuse it if possible.
+ sp<MemoryHeapBase> mPreviewBuffer;
+
+ // We need to avoid the deadlock when the incoming command thread and
+ // the CameraHardwareInterface callback thread both want to grab mLock.
+ // An extra flag is used to tell the callback thread that it should stop
+ // trying to deliver the callback messages if the client is not
+ // interested in it anymore. For example, if the client is calling
+ // stopPreview(), the preview frame messages do not need to be delivered
+ // anymore.
+
+ // This function takes the same parameter as the enableMsgType() and
+ // disableMsgType() functions in CameraHardwareInterface.
+ void enableMsgType(int32_t msgType);
+ void disableMsgType(int32_t msgType);
+ volatile int32_t mMsgEnabled;
+
+ // This function keeps trying to grab mLock, or give up if the message
+ // is found to be disabled. It returns true if mLock is grabbed.
+ bool lockIfMessageWanted(int32_t msgType);
+ };
+};
+
+} // namespace android
+
+#endif