bool CameraClient::recordingEnabled() {
    LOG1("recordingEnabled (pid %d)", getCallingPid());

    Mutex::Autolock lock(mLock);
    if (checkPidAndHardware() != NO_ERROR) return false;
    return mHardware->recordingEnabled();
}
// set the Surface that the preview will use
status_t CameraService::Client::setPreviewDisplay(const sp<Surface>& surface) {
    LOG1("setPreviewDisplay(%p) (pid %d)", surface.get(), getCallingPid());

    sp<IBinder> binder(surface != 0 ? surface->asBinder() : 0);
    sp<ANativeWindow> window(surface);
    return setPreviewWindow(binder, window);
}
bool CameraService::Client::previewEnabled() {
    LOG1("previewEnabled (pid %d)", getCallingPid());

    Mutex::Autolock lock(mLock);
    if (checkPidAndHardware() != NO_ERROR) return false;
    return mHardware->previewEnabled();
}
Example #4
0
CameraClient::CameraClient(const sp<CameraService>& cameraService,
        const sp<ICameraClient>& cameraClient,
        const String16& clientPackageName,
        int cameraId, int cameraFacing,
        int clientPid, int clientUid,
        int servicePid, bool legacyMode):
        Client(cameraService, cameraClient, clientPackageName,
                cameraId, cameraFacing, clientPid, clientUid, servicePid)
{
    int callingPid = getCallingPid();
    LOG1("CameraClient::CameraClient E (pid %d, id %d)", callingPid, cameraId);

    mHardware = NULL;
    mMsgEnabled = 0;
    mSurface = 0;
    mPreviewWindow = 0;
    mDestructionStarted = false;

    // Callback is disabled by default
    mPreviewCallbackFlag = CAMERA_FRAME_CALLBACK_FLAG_NOOP;
    mOrientation = getOrientation(0, mCameraFacing == CAMERA_FACING_FRONT);
    mLegacyMode = legacyMode;
    mPlayShutterSound = true;
    LOG1("CameraClient::CameraClient X (pid %d, id %d)", callingPid, cameraId);
}
Example #5
0
void CameraService::removeClient(const sp<ICameraClient>& cameraClient) {
    int callingPid = getCallingPid();
    LOG1("CameraService::removeClient E (pid %d)", callingPid);

    for (int i = 0; i < mNumberOfCameras; i++) {
        // Declare this before the lock to make absolutely sure the
        // destructor won't be called with the lock held.
        sp<Client> client;

        Mutex::Autolock lock(mServiceLock);

        // This happens when we have already disconnected (or this is
        // just another unused camera).
        if (mClient[i] == 0) continue;

        // Promote mClient. It can fail if we are called from this path:
        // Client::~Client() -> disconnect() -> removeClient().
        client = mClient[i].promote();

        if (client == 0) {
            mClient[i].clear();
            continue;
        }

        if (cameraClient->asBinder() == client->getCameraClient()->asBinder()) {
            // Found our camera, clear and leave.
            LOG1("removeClient: clear camera %d", i);
            mClient[i].clear();
            break;
        }
    }

    LOG1("CameraService::removeClient X (pid %d)", callingPid);
}
		status_t CameraService::Client::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) {
			LOG1("sendCommand (pid %d)", getCallingPid());
			int orientation;
			Mutex::Autolock lock(mLock);
			status_t result = checkPidAndHardware();
			if (result != NO_ERROR) return result;
			
			if (cmd == CAMERA_CMD_SET_DISPLAY_ORIENTATION) {
				// The orientation cannot be set during preview.
				if (mHardware->previewEnabled()) {
					return INVALID_OPERATION;
				}
				// Mirror the preview if the camera is front-facing.
				orientation = getOrientation(arg1, mCameraFacing == CAMERA_FACING_FRONT);
				if (orientation == -1) return BAD_VALUE;
				
				if (mOrientation != orientation) {
					mOrientation = orientation;
					if (mOverlayRef != 0) mOrientationChanged = true;
				}
				return OK;
			}
			
			return mHardware->sendCommand(cmd, arg1, arg2);
		}
Example #7
0
CameraService::Client::Client(const sp<CameraService>& cameraService,
        const sp<ICameraClient>& cameraClient,
        int cameraId, int cameraFacing, int clientPid, int servicePid) {
#ifdef  MTK_CAMERAPROFILE_SUPPORT
    AutoCPTLog cptlog(Event_CS_newClient);
#endif
    int callingPid = getCallingPid();
    LOG1("Client::Client E (pid %d, id %d)", callingPid, cameraId);

    mCameraService = cameraService;
    mCameraClient = cameraClient;
    mCameraId = cameraId;
    mCameraFacing = cameraFacing;
    mClientPid = clientPid;
    mServicePid = servicePid;
    mDestructionStarted = false;

    cameraService->setCameraBusy(cameraId);
#ifndef  MTK_CAMERA_BSP_SUPPORT
    // To avoid release/new MediaPlayer when switching between main/sub sensor, and it will reduce the switch time.
#ifdef VENDOR_EDIT
//LiChen@CameraApp, 2013/04/08, Remove for speeding up the opening camera
    cameraService->loadSound();
#endif /* VENDOR_EDIT */

#endif
    LOG1("Client::Client X (pid %d, id %d)", callingPid, cameraId);
}
// take a picture - image is returned in callback
status_t CameraService::Client::takePicture(int msgType) {
    char prop[PROPERTY_VALUE_MAX];
    LOG1("takePicture (pid %d): 0x%x", getCallingPid(), msgType);

    Mutex::Autolock lock(mLock);
    status_t result = checkPidAndHardware();
    if (result != NO_ERROR) return result;
	//zxj ++
	mstopPreview = true;
	//zxj --
    if ((msgType & CAMERA_MSG_RAW_IMAGE) &&
        (msgType & CAMERA_MSG_RAW_IMAGE_NOTIFY)) {
        LOGE("CAMERA_MSG_RAW_IMAGE and CAMERA_MSG_RAW_IMAGE_NOTIFY"
                " cannot be both enabled");
        return BAD_VALUE;
    }

    // We only accept picture related message types
    // and ignore other types of messages for takePicture().
    int picMsgType = msgType
                        & (CAMERA_MSG_SHUTTER |
                           CAMERA_MSG_POSTVIEW_FRAME |
                           CAMERA_MSG_RAW_IMAGE |
                           CAMERA_MSG_RAW_IMAGE_NOTIFY |
                           CAMERA_MSG_COMPRESSED_IMAGE);
    disableMsgType(CAMERA_MSG_PREVIEW_METADATA);
    enableMsgType(picMsgType);
    mburstCnt = mHardware->getParameters().getInt("num-snaps-per-shutter");
    if(mburstCnt <= 0) mburstCnt = 1;
    LOG1("mburstCnt = %d", mburstCnt);
    return mHardware->takePicture();
}
// take a picture - image is returned in callback
status_t CameraClient::takePicture(int msgType) {
    LOG1("takePicture (pid %d): 0x%x", getCallingPid(), msgType);

    Mutex::Autolock lock(mLock);
    status_t result = checkPidAndHardware();
    if (result != NO_ERROR) return result;

    if ((msgType & CAMERA_MSG_RAW_IMAGE) &&
        (msgType & CAMERA_MSG_RAW_IMAGE_NOTIFY)) {
        ALOGE("CAMERA_MSG_RAW_IMAGE and CAMERA_MSG_RAW_IMAGE_NOTIFY"
                " cannot be both enabled");
        return BAD_VALUE;
    }

    // We only accept picture related message types
    // and ignore other types of messages for takePicture().
    int picMsgType = msgType
                        & (CAMERA_MSG_SHUTTER |
                           CAMERA_MSG_POSTVIEW_FRAME |
                           CAMERA_MSG_RAW_IMAGE |
                           CAMERA_MSG_RAW_IMAGE_NOTIFY |
                           CAMERA_MSG_COMPRESSED_IMAGE);

    enableMsgType(picMsgType);

    return mHardware->takePicture();
}
CameraService::Client::Client(const sp<CameraService>& cameraService,
        const sp<ICameraClient>& cameraClient,
        const sp<CameraHardwareInterface>& hardware,
        int cameraId, int cameraFacing, int clientPid) {
    int callingPid = getCallingPid();
    LOG1("Client::Client E (pid %d)", callingPid);

    mCameraService = cameraService;
    mCameraClient = cameraClient;
    mHardware = hardware;
    mCameraId = cameraId;
    mCameraFacing = cameraFacing;
    mClientPid = clientPid;
    mMsgEnabled = 0;
    mSurface = 0;
    mPreviewWindow = 0;
    mHardware->setCallbacks(notifyCallback,
                            dataCallback,
                            dataCallbackTimestamp,
                            (void *)cameraId);

    // Enable zoom, error, focus, and metadata messages by default
    enableMsgType(CAMERA_MSG_ERROR | CAMERA_MSG_ZOOM | CAMERA_MSG_FOCUS |
                  CAMERA_MSG_PREVIEW_METADATA);

    // Callback is disabled by default
    mPreviewCallbackFlag = CAMERA_FRAME_CALLBACK_FLAG_NOOP;
    mOrientation = getOrientation(0, mCameraFacing == CAMERA_FACING_FRONT);
    mPlayShutterSound = true;
    cameraService->setCameraBusy(cameraId);
    cameraService->loadSound();
    LOG1("Client::Client X (pid %d)", callingPid);
}
Example #11
0
status_t CameraService::onTransact(
    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) {
    // Permission checks
    switch (code) {
//!++
#ifdef  MTK_CAMERA_BSP_SUPPORT
        case BnCameraService::GET_PROPERTY:
            {
                CHECK_INTERFACE(ICameraService, data, reply);
                String8 const key = data.readString8();
                String8 value;
                status_t const status = getProperty(key, value);
                reply->writeString8(value);
                reply->writeInt32(status);
                ALOGD("[GET_PROPERTY] - pid=%d, uid=%d (%s)=(%s) \n", getCallingPid(), getCallingUid(), key.string(), value.string());
                return OK;
            }
        case BnCameraService::SET_PROPERTY:
            {
                CHECK_INTERFACE(ICameraService, data, reply);
                String8 const key = data.readString8();
                String8 const value = data.readString8();
                status_t const status = setProperty(key, value);
                reply->writeInt32(status);
                ALOGD("[SET_PROPERTY] - pid=%d, uid=%d (%s)=(%s) \n", getCallingPid(), getCallingUid(), key.string(), value.string());
                return OK;
            }
#endif  //MTK_CAMERA_BSP_SUPPORT
//!--
        case BnCameraService::CONNECT:
            const int pid = getCallingPid();
            const int self_pid = getpid();
            if (pid != self_pid) {
                // we're called from a different process, do the real check
                if (!checkCallingPermission(
                        String16("android.permission.CAMERA"))) {
                    const int uid = getCallingUid();
                    ALOGE("Permission Denial: "
                         "can't use the camera pid=%d, uid=%d", pid, uid);
                    return PERMISSION_DENIED;
                }
            }
            break;
    }

    return BnCameraService::onTransact(code, data, reply, flags);
}
// tear down the client
CameraClient::~CameraClient() {
    mDestructionStarted = true;
    int callingPid = getCallingPid();
    LOG1("CameraClient::~CameraClient E (pid %d, this %p)", callingPid, this);

    disconnect();
    LOG1("CameraClient::~CameraClient X (pid %d, this %p)", callingPid, this);
}
status_t CameraService::Client::checkPid() const {
    int callingPid = getCallingPid();
    if (callingPid == mClientPid) return NO_ERROR;

    LOGW("attempt to use a locked camera from a different process"
         " (old pid %d, new pid %d)", mClientPid, callingPid);
    return EBUSY;
}
// get preview/capture parameters - key/value pairs
String8 CameraService::Client::getParameters() const {
    Mutex::Autolock lock(mLock);
    if (checkPidAndHardware() != NO_ERROR) return String8();

    String8 params(mHardware->getParameters().flatten());
    LOG1("getParameters (pid %d) (%s)", getCallingPid(), params.string());
    return params;
}
Example #15
0
status_t CameraClient::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) {
    LOG1("sendCommand (pid %d)", getCallingPid());
    int orientation;
    Mutex::Autolock lock(mLock);
    status_t result = checkPidAndHardware();
    if (result != NO_ERROR) return result;

    if (cmd == CAMERA_CMD_SET_DISPLAY_ORIENTATION) {
        // Mirror the preview if the camera is front-facing.
        orientation = getOrientation(arg1, mCameraFacing == CAMERA_FACING_FRONT);
        if (orientation == -1) return BAD_VALUE;

        if (mOrientation != orientation) {
            mOrientation = orientation;
            if (mPreviewWindow != 0) {
                native_window_set_buffers_transform(mPreviewWindow.get(),
                        mOrientation);
            }
        }
        return OK;
    } else if (cmd == CAMERA_CMD_ENABLE_SHUTTER_SOUND) {
        switch (arg1) {
            case 0:
                return enableShutterSound(false);
            case 1:
                return enableShutterSound(true);
            default:
                return BAD_VALUE;
        }
        return OK;
    } else if (cmd == CAMERA_CMD_PLAY_RECORDING_SOUND) {
        mCameraService->playSound(CameraService::SOUND_RECORDING);
    } else if (cmd == CAMERA_CMD_SET_VIDEO_BUFFER_COUNT) {
        // Silently ignore this command
        return INVALID_OPERATION;
    } else if (cmd == CAMERA_CMD_PING) {
        // If mHardware is 0, checkPidAndHardware will return error.
        return OK;
#ifdef QCOM_HARDWARE
    } else if (cmd == CAMERA_CMD_HISTOGRAM_ON) {
        enableMsgType(CAMERA_MSG_STATS_DATA);
    } else if (cmd == CAMERA_CMD_HISTOGRAM_OFF) {
        disableMsgType(CAMERA_MSG_STATS_DATA);
    } else if (cmd == CAMERA_CMD_METADATA_ON) {
        enableMsgType(CAMERA_MSG_META_DATA);
    } else if (cmd == CAMERA_CMD_METADATA_OFF) {
        disableMsgType(CAMERA_MSG_META_DATA);
    } else if ( cmd == CAMERA_CMD_LONGSHOT_ON ) {
        mLongshotEnabled = true;
    } else if ( cmd == CAMERA_CMD_LONGSHOT_OFF ) {
        mLongshotEnabled = false;
        disableMsgType(CAMERA_MSG_SHUTTER);
        disableMsgType(CAMERA_MSG_COMPRESSED_IMAGE);
#endif
    }

    return mHardware->sendCommand(cmd, arg1, arg2);
}
status_t CameraService::Client::cancelAutoFocus() {
    LOG1("cancelAutoFocus (pid %d)", getCallingPid());

    Mutex::Autolock lock(mLock);
    status_t result = checkPidAndHardware();
    if (result != NO_ERROR) return result;

    return mHardware->cancelAutoFocus();
}
status_t CameraService::Client::checkPidAndHardware() const {
    status_t result = checkPid();
    if (result != NO_ERROR) return result;
    if (mHardware == 0) {
        LOGE("attempt to use a camera after disconnect() (pid %d)", getCallingPid());
        return INVALID_OPERATION;
    }
    return NO_ERROR;
}
Example #18
0
// start preview mode
status_t CameraService::Client::startPreview() {
    LOG1("startPreview (pid %d)", getCallingPid());
	//zxj ++
	mstopPreview = false;
	//zxj --
    if (mFaceDetection) {
      enableMsgType(CAMERA_MSG_PREVIEW_METADATA);
    }
    return startCameraMode(CAMERA_PREVIEW_MODE);
}
// tear down the client
CameraService::Client::~Client() {
    int callingPid = getCallingPid();
    LOG1("Client::~Client E (pid %d, this %p)", callingPid, this);

    // set mClientPid to let disconnet() tear down the hardware
    mClientPid = callingPid;
    disconnect();
    mCameraService->releaseSound();
    LOG1("Client::~Client X (pid %d, this %p)", callingPid, this);
}
// set preview/capture parameters - key/value pairs
status_t CameraService::Client::setParameters(const String8& params) {
    LOG1("setParameters (pid %d) (%s)", getCallingPid(), params.string());

    Mutex::Autolock lock(mLock);
    status_t result = checkPidAndHardware();
    if (result != NO_ERROR) return result;

    CameraParameters p(params);
    return mHardware->setParameters(p);
}
	sp<ICamera> CameraService::connect(
									   const sp<ICameraClient>& cameraClient, int cameraId) {
		int callingPid = getCallingPid();
		LOG1("CameraService::connect E (pid %d, id %d)", callingPid, cameraId);
		
		sp<Client> client;
		if (cameraId < 0 || cameraId >= mNumberOfCameras) {
			LOGE("CameraService::connect X (pid %d) rejected (invalid cameraId %d).",
				 callingPid, cameraId);
			return NULL;
		}
		
		Mutex::Autolock lock(mServiceLock);
		if (mClient[cameraId] != 0) {
			client = mClient[cameraId].promote();
			if (client != 0) {
				if (cameraClient->asBinder() == client->getCameraClient()->asBinder()) {
					LOG1("CameraService::connect X (pid %d) (the same client)",
						 callingPid);
					return client;
				} else {
					LOGW("CameraService::connect X (pid %d) rejected (existing client).",
						 callingPid);
					return NULL;
				}
			}
			mClient[cameraId].clear();
		}
		
		if (mBusy[cameraId]) {
			LOGW("CameraService::connect X (pid %d) rejected"
				 " (camera %d is still busy).", callingPid, cameraId);
			return NULL;
		}
		
		sp<CameraHardwareInterface> hardware = HAL_openCameraHardware(cameraId);
		if (hardware == NULL) {
			LOGE("Fail to open camera hardware (id=%d)", cameraId);
			return NULL;
		}
		CameraInfo info;
		HAL_getCameraInfo(cameraId, &info);
		client = new Client(this, cameraClient, hardware, cameraId, info.facing,
							callingPid);
		mClient[cameraId] = client;
#ifdef USE_OVERLAY_FORMAT_YCbCr_420_SP
		if (client->mHardware == NULL) {
			client = NULL;
			mClient[cameraId] = NULL;
			return client;
		}
#endif
		LOG1("CameraService::connect X");
		return client;
	}
status_t CameraService::dump(int fd, const Vector<String16>& args) {
    static const char* kDeadlockedString = "CameraService may be deadlocked\n";

    const size_t SIZE = 256;
    char buffer[SIZE];
    String8 result;
    if (checkCallingPermission(String16("android.permission.DUMP")) == false) {
        snprintf(buffer, SIZE, "Permission Denial: "
                "can't dump CameraService from pid=%d, uid=%d\n",
                getCallingPid(),
                getCallingUid());
        result.append(buffer);
        write(fd, result.string(), result.size());
    } else {
        bool locked = tryLock(mServiceLock);
        // failed to lock - CameraService is probably deadlocked
        if (!locked) {
            String8 result(kDeadlockedString);
            write(fd, result.string(), result.size());
        }

        bool hasClient = false;
        for (int i = 0; i < mNumberOfCameras; i++) {
            sp<Client> client = mClient[i].promote();
            if (client == 0) continue;
            hasClient = true;
            sprintf(buffer, "Client[%d] (%p) PID: %d\n",
                    i,
                    client->getCameraClient()->asBinder().get(),
                    client->mClientPid);
            result.append(buffer);
            write(fd, result.string(), result.size());
            client->mHardware->dump(fd, args);
        }
        if (!hasClient) {
            result.append("No camera client yet.\n");
            write(fd, result.string(), result.size());
        }

        if (locked) mServiceLock.unlock();

        // change logging level
        int n = args.size();
        for (int i = 0; i + 1 < n; i++) {
            if (args[i] == String16("-v")) {
                String8 levelStr(args[i+1]);
                int level = atoi(levelStr.string());
                sprintf(buffer, "Set Log Level to %d", level);
                result.append(buffer);
                setLogLevel(level);
            }
        }
    }
    return NO_ERROR;
}
// stop recording mode
void CameraService::Client::stopRecording() {
    LOG1("stopRecording (pid %d)", getCallingPid());
    Mutex::Autolock lock(mLock);
    if (checkPidAndHardware() != NO_ERROR) return;

    mCameraService->playSound(SOUND_RECORDING);
    disableMsgType(CAMERA_MSG_VIDEO_FRAME);
    mHardware->stopRecording();

    mPreviewBuffer.clear();
}
// stop preview mode
void CameraService::Client::stopPreview() {
    LOG1("stopPreview (pid %d)", getCallingPid());
    Mutex::Autolock lock(mLock);
    if (checkPidAndHardware() != NO_ERROR) return;


    disableMsgType(CAMERA_MSG_PREVIEW_FRAME);
    mHardware->stopPreview();

    mPreviewBuffer.clear();
}
void CameraClient::disableMsgType(int32_t msgType) {
    android_atomic_and(~msgType, &mMsgEnabled);
//!++
#if 1
    if (mHardware == 0) {
        ALOGW("[disableMsgType] mHardware == 0 (CallingPid %d) (tid %d)", getCallingPid(), ::gettid());
        return;
    }
#endif
//!--
    mHardware->disableMsgType(msgType);
}
// set the preview callback flag to affect how the received frames from
// preview are handled.
void CameraService::Client::setPreviewCallbackFlag(int callback_flag) {
    LOG1("setPreviewCallbackFlag(%d) (pid %d)", callback_flag, getCallingPid());
    Mutex::Autolock lock(mLock);
    if (checkPidAndHardware() != NO_ERROR) return;

    mPreviewCallbackFlag = callback_flag;
    if (mPreviewCallbackFlag & CAMERA_FRAME_CALLBACK_FLAG_ENABLE_MASK) {
        enableMsgType(CAMERA_MSG_PREVIEW_FRAME);
    } else {
        disableMsgType(CAMERA_MSG_PREVIEW_FRAME);
    }
}
status_t CameraClient::initialize(camera_module_t *module) {
    int callingPid = getCallingPid();
    status_t res;

    LOG1("CameraClient::initialize E (pid %d, id %d)", callingPid, mCameraId);

    // Verify ops permissions
    res = startCameraOps();
    if (res != OK) {
        return res;
    }

    char camera_device_name[10];
    snprintf(camera_device_name, sizeof(camera_device_name), "%d", mCameraId);

    mHardware = new CameraHardwareInterface(camera_device_name);
    res = mHardware->initialize(&module->common);
    if (res != OK) {
        ALOGE("%s: Camera %d: unable to initialize device: %s (%d)",
                __FUNCTION__, mCameraId, strerror(-res), res);
        mHardware.clear();
        return res;
    }

    // mtk callback
    mHardware->setMtkCallbacks(
            mtkMetadataCallback,
            (void *)(uintptr_t)mCameraId
            );

    mHardware->setCallbacks(
            notifyCallback,
            dataCallback,
            dataCallbackTimestamp,
            (void *)(uintptr_t)mCameraId);



    // Enable zoom, error, focus, and metadata messages by default
    enableMsgType(CAMERA_MSG_ERROR | CAMERA_MSG_ZOOM | CAMERA_MSG_FOCUS |
                  CAMERA_MSG_PREVIEW_METADATA | CAMERA_MSG_FOCUS_MOVE);

//!++
#if 1
    // Enable MTK-extended messages by default
    enableMsgType(MTK_CAMERA_MSG_EXT_NOTIFY | MTK_CAMERA_MSG_EXT_DATA);
#endif
//!--

    LOG1("CameraClient::initialize X (pid %d, id %d)", callingPid, mCameraId);
    return OK;
}
Example #28
0
// take a picture - image is returned in callback
status_t CameraClient::takePicture(int msgType) {
    LOG1("takePicture (pid %d): 0x%x", getCallingPid(), msgType);

    Mutex::Autolock lock(mLock);
    status_t result = checkPidAndHardware();
    if (result != NO_ERROR) return result;

    if ((msgType & CAMERA_MSG_RAW_IMAGE) &&
        (msgType & CAMERA_MSG_RAW_IMAGE_NOTIFY)) {
        ALOGE("CAMERA_MSG_RAW_IMAGE and CAMERA_MSG_RAW_IMAGE_NOTIFY"
                " cannot be both enabled");
        return BAD_VALUE;
    }

    // We only accept picture related message types
    // and ignore other types of messages for takePicture().
    int picMsgType = msgType
                        & (CAMERA_MSG_SHUTTER |
                           CAMERA_MSG_POSTVIEW_FRAME |
                           CAMERA_MSG_RAW_IMAGE |
                           CAMERA_MSG_RAW_IMAGE_NOTIFY |
#if defined(OMAP_ICS_CAMERA) || defined(OMAP_ENHANCEMENT_BURST_CAPTURE)
                           CAMERA_MSG_RAW_BURST |
#endif
                           CAMERA_MSG_COMPRESSED_IMAGE);

#if defined(OMAP_ICS_CAMERA) || defined(OMAP_ENHANCEMENT_BURST_CAPTURE)
    picMsgType |= CAMERA_MSG_COMPRESSED_BURST_IMAGE;
#endif
#ifdef CAMERA_MSG_MGMT
    disableMsgType(CAMERA_MSG_PREVIEW_METADATA);
#endif
    enableMsgType(picMsgType);
#ifdef QCOM_HARDWARE
    mBurstCnt = mHardware->getParameters().getInt("num-snaps-per-shutter");
    if(mBurstCnt <= 0)
        mBurstCnt = 1;

    LOG1("mBurstCnt = %d", mBurstCnt);

    // HTC HDR mode requires that we snap multiple times, but only get one jpeg
    int numJpegs = mHardware->getParameters().getInt("num-jpegs-per-shutter");
    if (numJpegs == 1 && mBurstCnt > 1) {
        while (mBurstCnt > 1) {
            result = mHardware->takePicture();
            mBurstCnt--;
        }
    }
#endif

    return mHardware->takePicture();
}
// set the SurfaceTexture that the preview will use
status_t CameraService::Client::setPreviewTexture(
        const sp<ISurfaceTexture>& surfaceTexture) {
    LOG1("setPreviewTexture(%p) (pid %d)", surfaceTexture.get(),
            getCallingPid());

    sp<IBinder> binder;
    sp<ANativeWindow> window;
    if (surfaceTexture != 0) {
        binder = surfaceTexture->asBinder();
        window = new SurfaceTextureClient(surfaceTexture);
    }
    return setPreviewWindow(binder, window);
}
// set the SurfaceTextureClient that the preview will use
status_t CameraClient::setPreviewTexture(
        const sp<IGraphicBufferProducer>& bufferProducer) {
    LOG1("setPreviewTexture(%p) (pid %d)", bufferProducer.get(),
            getCallingPid());

    sp<IBinder> binder;
    sp<ANativeWindow> window;
    if (bufferProducer != 0) {
        binder = bufferProducer->asBinder();
        window = new Surface(bufferProducer);
    }
    return setPreviewWindow(binder, window);
}