diff options
Diffstat (limited to 'services/camera/libcameraservice/CameraService.cpp')
| -rw-r--r-- | services/camera/libcameraservice/CameraService.cpp | 1010 |
1 files changed, 88 insertions, 922 deletions
diff --git a/services/camera/libcameraservice/CameraService.cpp b/services/camera/libcameraservice/CameraService.cpp index 385be50..878afde 100644 --- a/services/camera/libcameraservice/CameraService.cpp +++ b/services/camera/libcameraservice/CameraService.cpp @@ -38,14 +38,15 @@ #include <utils/String16.h> #include "CameraService.h" -#include "CameraHardwareInterface.h" +#include "CameraClient.h" +#include "Camera2Client.h" namespace android { // ---------------------------------------------------------------------------- // Logging support -- this is for debugging only // Use "adb shell dumpsys media.camera -v 1" to change it. -static volatile int32_t gLogLevel = 0; +volatile int32_t gLogLevel = 0; #define LOG1(...) ALOGD_IF(gLogLevel >= 1, __VA_ARGS__); #define LOG2(...) ALOGD_IF(gLogLevel >= 2, __VA_ARGS__); @@ -133,7 +134,6 @@ status_t CameraService::getCameraInfo(int cameraId, sp<ICamera> CameraService::connect( const sp<ICameraClient>& cameraClient, int cameraId) { int callingPid = getCallingPid(); - sp<CameraHardwareInterface> hardware = NULL; LOG1("CameraService::connect E (pid %d, id %d)", callingPid, cameraId); @@ -186,16 +186,31 @@ sp<ICamera> CameraService::connect( return NULL; } - char camera_device_name[10]; - snprintf(camera_device_name, sizeof(camera_device_name), "%d", cameraId); + int deviceVersion; + if (mModule->common.module_api_version == CAMERA_MODULE_API_VERSION_2_0) { + deviceVersion = info.device_version; + } else { + deviceVersion = CAMERA_DEVICE_API_VERSION_1_0; + } + + switch(deviceVersion) { + case CAMERA_DEVICE_API_VERSION_1_0: + client = new CameraClient(this, cameraClient, cameraId, + info.facing, callingPid); + break; + case CAMERA_DEVICE_API_VERSION_2_0: + client = new Camera2Client(this, cameraClient, cameraId, + info.facing, callingPid); + break; + default: + ALOGE("Unknown camera device HAL version: %d", deviceVersion); + return NULL; + } - hardware = new CameraHardwareInterface(camera_device_name); - if (hardware->initialize(&mModule->common) != OK) { - hardware.clear(); + if (client->initialize(mModule) != OK) { return NULL; } - client = new Client(this, cameraClient, hardware, cameraId, info.facing, callingPid); mClient[cameraId] = client; LOG1("CameraService::connect X (id %d)", cameraId); return client; @@ -335,34 +350,17 @@ void CameraService::playSound(sound_kind kind) { 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, id %d)", callingPid, cameraId); mCameraService = cameraService; mCameraClient = cameraClient; - mHardware = hardware; mCameraId = cameraId; mCameraFacing = cameraFacing; mClientPid = clientPid; - mMsgEnabled = 0; - mSurface = 0; - mPreviewWindow = 0; mDestructionStarted = false; - 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 | CAMERA_MSG_FOCUS_MOVE); - - // 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, id %d)", callingPid, cameraId); @@ -370,582 +368,7 @@ CameraService::Client::Client(const sp<CameraService>& cameraService, // tear down the client CameraService::Client::~Client() { - // this lock should never be NULL - Mutex* lock = mCameraService->getClientLockById(mCameraId); - lock->lock(); - mDestructionStarted = true; - // client will not be accessed from callback. should unlock to prevent dead-lock in disconnect - lock->unlock(); - 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); -} - -// ---------------------------------------------------------------------------- - -status_t CameraService::Client::checkPid() const { - int callingPid = getCallingPid(); - if (callingPid == mClientPid) return NO_ERROR; - - ALOGW("attempt to use a locked camera from a different process" - " (old pid %d, new pid %d)", mClientPid, callingPid); - return EBUSY; -} - -status_t CameraService::Client::checkPidAndHardware() const { - status_t result = checkPid(); - if (result != NO_ERROR) return result; - if (mHardware == 0) { - ALOGE("attempt to use a camera after disconnect() (pid %d)", getCallingPid()); - return INVALID_OPERATION; - } - return NO_ERROR; -} - -status_t CameraService::Client::lock() { - int callingPid = getCallingPid(); - LOG1("lock (pid %d)", callingPid); - Mutex::Autolock ilock(mICameraLock); - Mutex::Autolock lock(mLock); - - // lock camera to this client if the the camera is unlocked - if (mClientPid == 0) { - mClientPid = callingPid; - return NO_ERROR; - } - - // returns NO_ERROR if the client already owns the camera, EBUSY otherwise - return checkPid(); -} - -status_t CameraService::Client::unlock() { - int callingPid = getCallingPid(); - LOG1("unlock (pid %d)", callingPid); - Mutex::Autolock iLock(mICameraLock); - Mutex::Autolock lock(mLock); - - // allow anyone to use camera (after they lock the camera) - status_t result = checkPid(); - if (result == NO_ERROR) { - if (mHardware->recordingEnabled()) { - ALOGE("Not allowed to unlock camera during recording."); - return INVALID_OPERATION; - } - mClientPid = 0; - LOG1("clear mCameraClient (pid %d)", callingPid); - // we need to remove the reference to ICameraClient so that when the app - // goes away, the reference count goes to 0. - mCameraClient.clear(); - } - return result; -} - -// connect a new client to the camera -status_t CameraService::Client::connect(const sp<ICameraClient>& client) { - int callingPid = getCallingPid(); - LOG1("connect E (pid %d)", callingPid); - Mutex::Autolock iLock(mICameraLock); - Mutex::Autolock lock(mLock); - - if (mClientPid != 0 && checkPid() != NO_ERROR) { - ALOGW("Tried to connect to a locked camera (old pid %d, new pid %d)", - mClientPid, callingPid); - return EBUSY; - } - - if (mCameraClient != 0 && (client->asBinder() == mCameraClient->asBinder())) { - LOG1("Connect to the same client"); - return NO_ERROR; - } - - mPreviewCallbackFlag = CAMERA_FRAME_CALLBACK_FLAG_NOOP; - mClientPid = callingPid; - mCameraClient = client; - - LOG1("connect X (pid %d)", callingPid); - return NO_ERROR; -} - -static void disconnectWindow(const sp<ANativeWindow>& window) { - if (window != 0) { - status_t result = native_window_api_disconnect(window.get(), - NATIVE_WINDOW_API_CAMERA); - if (result != NO_ERROR) { - ALOGW("native_window_api_disconnect failed: %s (%d)", strerror(-result), - result); - } - } -} - -void CameraService::Client::disconnect() { - int callingPid = getCallingPid(); - LOG1("disconnect E (pid %d)", callingPid); - Mutex::Autolock iLock(mICameraLock); - Mutex::Autolock lock(mLock); - - if (checkPid() != NO_ERROR) { - ALOGW("different client - don't disconnect"); - return; - } - - if (mClientPid <= 0) { - LOG1("camera is unlocked (mClientPid = %d), don't tear down hardware", mClientPid); - return; - } - - // Make sure disconnect() is done once and once only, whether it is called - // from the user directly, or called by the destructor. - if (mHardware == 0) return; - - LOG1("hardware teardown"); - // Before destroying mHardware, we must make sure it's in the - // idle state. - // Turn off all messages. - disableMsgType(CAMERA_MSG_ALL_MSGS); - mHardware->stopPreview(); - mHardware->cancelPicture(); - // Release the hardware resources. - mHardware->release(); - - // Release the held ANativeWindow resources. - if (mPreviewWindow != 0) { - disconnectWindow(mPreviewWindow); - mPreviewWindow = 0; - mHardware->setPreviewWindow(mPreviewWindow); - } - mHardware.clear(); - - mCameraService->removeClient(mCameraClient); - mCameraService->setCameraFree(mCameraId); - - LOG1("disconnect X (pid %d)", callingPid); -} - -// ---------------------------------------------------------------------------- - -status_t CameraService::Client::setPreviewWindow(const sp<IBinder>& binder, - const sp<ANativeWindow>& window) { - Mutex::Autolock iLock(mICameraLock); - Mutex::Autolock lock(mLock); - status_t result = checkPidAndHardware(); - if (result != NO_ERROR) return result; - - // return if no change in surface. - if (binder == mSurface) { - return NO_ERROR; - } - - if (window != 0) { - result = native_window_api_connect(window.get(), NATIVE_WINDOW_API_CAMERA); - if (result != NO_ERROR) { - ALOGE("native_window_api_connect failed: %s (%d)", strerror(-result), - result); - return result; - } - } - - // If preview has been already started, register preview buffers now. - if (mHardware->previewEnabled()) { - if (window != 0) { - native_window_set_scaling_mode(window.get(), - NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW); - native_window_set_buffers_transform(window.get(), mOrientation); - result = mHardware->setPreviewWindow(window); - } - } - - if (result == NO_ERROR) { - // Everything has succeeded. Disconnect the old window and remember the - // new window. - disconnectWindow(mPreviewWindow); - mSurface = binder; - mPreviewWindow = window; - } else { - // Something went wrong after we connected to the new window, so - // disconnect here. - disconnectWindow(window); - } - - return result; -} - -// 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); -} - -// 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 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 iLock(mICameraLock); - 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); - } -} - -// start preview mode -status_t CameraService::Client::startPreview() { - LOG1("startPreview (pid %d)", getCallingPid()); - return startCameraMode(CAMERA_PREVIEW_MODE); -} - -// start recording mode -status_t CameraService::Client::startRecording() { - LOG1("startRecording (pid %d)", getCallingPid()); - return startCameraMode(CAMERA_RECORDING_MODE); -} - -// start preview or recording -status_t CameraService::Client::startCameraMode(camera_mode mode) { - LOG1("startCameraMode(%d)", mode); - Mutex::Autolock iLock(mICameraLock); - Mutex::Autolock lock(mLock); - status_t result = checkPidAndHardware(); - if (result != NO_ERROR) return result; - - switch(mode) { - case CAMERA_PREVIEW_MODE: - if (mSurface == 0 && mPreviewWindow == 0) { - LOG1("mSurface is not set yet."); - // still able to start preview in this case. - } - return startPreviewMode(); - case CAMERA_RECORDING_MODE: - if (mSurface == 0 && mPreviewWindow == 0) { - ALOGE("mSurface or mPreviewWindow must be set before startRecordingMode."); - return INVALID_OPERATION; - } - return startRecordingMode(); - default: - return UNKNOWN_ERROR; - } -} - -status_t CameraService::Client::startPreviewMode() { - LOG1("startPreviewMode"); - status_t result = NO_ERROR; - - // if preview has been enabled, nothing needs to be done - if (mHardware->previewEnabled()) { - return NO_ERROR; - } - - if (mPreviewWindow != 0) { - native_window_set_scaling_mode(mPreviewWindow.get(), - NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW); - native_window_set_buffers_transform(mPreviewWindow.get(), - mOrientation); - } - mHardware->setPreviewWindow(mPreviewWindow); - result = mHardware->startPreview(); - - return result; -} - -status_t CameraService::Client::startRecordingMode() { - LOG1("startRecordingMode"); - status_t result = NO_ERROR; - - // if recording has been enabled, nothing needs to be done - if (mHardware->recordingEnabled()) { - return NO_ERROR; - } - - // if preview has not been started, start preview first - if (!mHardware->previewEnabled()) { - result = startPreviewMode(); - if (result != NO_ERROR) { - return result; - } - } - - // start recording mode - enableMsgType(CAMERA_MSG_VIDEO_FRAME); - mCameraService->playSound(SOUND_RECORDING); - result = mHardware->startRecording(); - if (result != NO_ERROR) { - ALOGE("mHardware->startRecording() failed with status %d", result); - } - return result; -} - -// stop preview mode -void CameraService::Client::stopPreview() { - LOG1("stopPreview (pid %d)", getCallingPid()); - Mutex::Autolock iLock(mICameraLock); - Mutex::Autolock lock(mLock); - if (checkPidAndHardware() != NO_ERROR) return; - - - disableMsgType(CAMERA_MSG_PREVIEW_FRAME); - mHardware->stopPreview(); - - mPreviewBuffer.clear(); -} - -// stop recording mode -void CameraService::Client::stopRecording() { - LOG1("stopRecording (pid %d)", getCallingPid()); - Mutex::Autolock iLock(mICameraLock); - Mutex::Autolock lock(mLock); - if (checkPidAndHardware() != NO_ERROR) return; - - disableMsgType(CAMERA_MSG_VIDEO_FRAME); - mHardware->stopRecording(); - mCameraService->playSound(SOUND_RECORDING); - - mPreviewBuffer.clear(); -} - -// release a recording frame -void CameraService::Client::releaseRecordingFrame(const sp<IMemory>& mem) { - Mutex::Autolock iLock(mICameraLock); - Mutex::Autolock lock(mLock); - if (checkPidAndHardware() != NO_ERROR) return; - mHardware->releaseRecordingFrame(mem); -} - -status_t CameraService::Client::storeMetaDataInBuffers(bool enabled) -{ - LOG1("storeMetaDataInBuffers: %s", enabled? "true": "false"); - Mutex::Autolock iLock(mICameraLock); - Mutex::Autolock lock(mLock); - if (checkPidAndHardware() != NO_ERROR) { - return UNKNOWN_ERROR; - } - return mHardware->storeMetaDataInBuffers(enabled); -} - -bool CameraService::Client::previewEnabled() { - LOG1("previewEnabled (pid %d)", getCallingPid()); - - Mutex::Autolock iLock(mICameraLock); - Mutex::Autolock lock(mLock); - if (checkPidAndHardware() != NO_ERROR) return false; - return mHardware->previewEnabled(); -} - -bool CameraService::Client::recordingEnabled() { - LOG1("recordingEnabled (pid %d)", getCallingPid()); - - Mutex::Autolock iLock(mICameraLock); - Mutex::Autolock lock(mLock); - if (checkPidAndHardware() != NO_ERROR) return false; - return mHardware->recordingEnabled(); -} - -status_t CameraService::Client::autoFocus() { - LOG1("autoFocus (pid %d)", getCallingPid()); - - Mutex::Autolock iLock(mICameraLock); - Mutex::Autolock lock(mLock); - status_t result = checkPidAndHardware(); - if (result != NO_ERROR) return result; - - return mHardware->autoFocus(); -} - -status_t CameraService::Client::cancelAutoFocus() { - LOG1("cancelAutoFocus (pid %d)", getCallingPid()); - - Mutex::Autolock iLock(mICameraLock); - Mutex::Autolock lock(mLock); - status_t result = checkPidAndHardware(); - if (result != NO_ERROR) return result; - - return mHardware->cancelAutoFocus(); -} - -// take a picture - image is returned in callback -status_t CameraService::Client::takePicture(int msgType) { - LOG1("takePicture (pid %d): 0x%x", getCallingPid(), msgType); - - Mutex::Autolock iLock(mICameraLock); - int picMsgType = 0; - { // scope for lock - 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(). - 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(); -} - -// 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 iLock(mICameraLock); - Mutex::Autolock lock(mLock); - status_t result = checkPidAndHardware(); - if (result != NO_ERROR) return result; - - CameraParameters p(params); - return mHardware->setParameters(p); -} - -// get preview/capture parameters - key/value pairs -String8 CameraService::Client::getParameters() const { - Mutex::Autolock iLock(mICameraLock); - 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; -} - -// enable shutter sound -status_t CameraService::Client::enableShutterSound(bool enable) { - LOG1("enableShutterSound (pid %d)", getCallingPid()); - - status_t result = checkPidAndHardware(); - if (result != NO_ERROR) return result; - - if (enable) { - mPlayShutterSound = true; - return OK; - } - - // Disabling shutter sound may not be allowed. In that case only - // allow the mediaserver process to disable the sound. - char value[PROPERTY_VALUE_MAX]; - property_get("ro.camera.sound.forced", value, "0"); - if (strcmp(value, "0") != 0) { - // Disabling shutter sound is not allowed. Deny if the current - // process is not mediaserver. - if (getCallingPid() != getpid()) { - ALOGE("Failed to disable shutter sound. Permission denied (pid %d)", getCallingPid()); - return PERMISSION_DENIED; - } - } - - mPlayShutterSound = false; - return OK; -} - -status_t CameraService::Client::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) { - LOG1("sendCommand (pid %d)", getCallingPid()); - int orientation; - Mutex::Autolock iLock(mICameraLock); - 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: - enableShutterSound(false); - break; - case 1: - enableShutterSound(true); - break; - default: - return BAD_VALUE; - } - return OK; - } else if (cmd == CAMERA_CMD_PLAY_RECORDING_SOUND) { - mCameraService->playSound(SOUND_RECORDING); - } else if (cmd == CAMERA_CMD_PING) { - // If mHardware is 0, checkPidAndHardware will return error. - return OK; - } - - return mHardware->sendCommand(cmd, arg1, arg2); -} - -// ---------------------------------------------------------------------------- - -void CameraService::Client::enableMsgType(int32_t msgType) { - android_atomic_or(msgType, &mMsgEnabled); - mHardware->enableMsgType(msgType); -} - -void CameraService::Client::disableMsgType(int32_t msgType) { - android_atomic_and(~msgType, &mMsgEnabled); - mHardware->disableMsgType(msgType); -} - -#define CHECK_MESSAGE_INTERVAL 10 // 10ms -bool CameraService::Client::lockIfMessageWanted(int32_t msgType) { - int sleepCount = 0; - while (mMsgEnabled & msgType) { - if (mLock.tryLock() == NO_ERROR) { - if (sleepCount > 0) { - LOG1("lockIfMessageWanted(%d): waited for %d ms", - msgType, sleepCount * CHECK_MESSAGE_INTERVAL); - } - return true; - } - if (sleepCount++ == 0) { - LOG1("lockIfMessageWanted(%d): enter sleep", msgType); - } - usleep(CHECK_MESSAGE_INTERVAL * 1000); - } - ALOGW("lockIfMessageWanted(%d): dropped unwanted message", msgType); - return false; } // ---------------------------------------------------------------------------- @@ -967,311 +390,12 @@ CameraService::Client* CameraService::Client::getClientFromCookie(void* user) { // destruction already started, so should not be accessed if (client->mDestructionStarted) return NULL; - // The checks below are not necessary and are for debugging only. - if (client->mCameraService.get() != gCameraService) { - ALOGE("mismatch service!"); - return NULL; - } - - if (client->mHardware == 0) { - ALOGE("mHardware == 0: callback after disconnect()?"); - return NULL; - } - return client; } -// Callback messages can be dispatched to internal handlers or pass to our -// client's callback functions, depending on the message type. -// -// notifyCallback: -// CAMERA_MSG_SHUTTER handleShutter -// (others) c->notifyCallback -// dataCallback: -// CAMERA_MSG_PREVIEW_FRAME handlePreviewData -// CAMERA_MSG_POSTVIEW_FRAME handlePostview -// CAMERA_MSG_RAW_IMAGE handleRawPicture -// CAMERA_MSG_COMPRESSED_IMAGE handleCompressedPicture -// (others) c->dataCallback -// dataCallbackTimestamp -// (others) c->dataCallbackTimestamp -// -// NOTE: the *Callback functions grab mLock of the client before passing -// control to handle* functions. So the handle* functions must release the -// lock before calling the ICameraClient's callbacks, so those callbacks can -// invoke methods in the Client class again (For example, the preview frame -// callback may want to releaseRecordingFrame). The handle* functions must -// release the lock after all accesses to member variables, so it must be -// handled very carefully. - -void CameraService::Client::notifyCallback(int32_t msgType, int32_t ext1, - int32_t ext2, void* user) { - LOG2("notifyCallback(%d)", msgType); - - Mutex* lock = getClientLockFromCookie(user); - if (lock == NULL) return; - Mutex::Autolock alock(*lock); - - Client* client = getClientFromCookie(user); - if (client == NULL) return; - - if (!client->lockIfMessageWanted(msgType)) return; - - switch (msgType) { - case CAMERA_MSG_SHUTTER: - // ext1 is the dimension of the yuv picture. - client->handleShutter(); - break; - default: - client->handleGenericNotify(msgType, ext1, ext2); - break; - } -} - -void CameraService::Client::dataCallback(int32_t msgType, - const sp<IMemory>& dataPtr, camera_frame_metadata_t *metadata, void* user) { - LOG2("dataCallback(%d)", msgType); - - Mutex* lock = getClientLockFromCookie(user); - if (lock == NULL) return; - Mutex::Autolock alock(*lock); - - Client* client = getClientFromCookie(user); - if (client == NULL) return; - - if (!client->lockIfMessageWanted(msgType)) return; - if (dataPtr == 0 && metadata == NULL) { - ALOGE("Null data returned in data callback"); - client->handleGenericNotify(CAMERA_MSG_ERROR, UNKNOWN_ERROR, 0); - return; - } - - switch (msgType & ~CAMERA_MSG_PREVIEW_METADATA) { - case CAMERA_MSG_PREVIEW_FRAME: - client->handlePreviewData(msgType, dataPtr, metadata); - break; - case CAMERA_MSG_POSTVIEW_FRAME: - client->handlePostview(dataPtr); - break; - case CAMERA_MSG_RAW_IMAGE: - client->handleRawPicture(dataPtr); - break; - case CAMERA_MSG_COMPRESSED_IMAGE: - client->handleCompressedPicture(dataPtr); - break; - default: - client->handleGenericData(msgType, dataPtr, metadata); - break; - } -} - -void CameraService::Client::dataCallbackTimestamp(nsecs_t timestamp, - int32_t msgType, const sp<IMemory>& dataPtr, void* user) { - LOG2("dataCallbackTimestamp(%d)", msgType); - - Mutex* lock = getClientLockFromCookie(user); - if (lock == NULL) return; - Mutex::Autolock alock(*lock); - - Client* client = getClientFromCookie(user); - if (client == NULL) return; - - if (!client->lockIfMessageWanted(msgType)) return; - - if (dataPtr == 0) { - ALOGE("Null data returned in data with timestamp callback"); - client->handleGenericNotify(CAMERA_MSG_ERROR, UNKNOWN_ERROR, 0); - return; - } - - client->handleGenericDataTimestamp(timestamp, msgType, dataPtr); -} - -// snapshot taken callback -void CameraService::Client::handleShutter(void) { - if (mPlayShutterSound) { - mCameraService->playSound(SOUND_SHUTTER); - } - - sp<ICameraClient> c = mCameraClient; - if (c != 0) { - mLock.unlock(); - c->notifyCallback(CAMERA_MSG_SHUTTER, 0, 0); - if (!lockIfMessageWanted(CAMERA_MSG_SHUTTER)) return; - } - disableMsgType(CAMERA_MSG_SHUTTER); - - mLock.unlock(); -} - -// preview callback - frame buffer update -void CameraService::Client::handlePreviewData(int32_t msgType, - const sp<IMemory>& mem, - camera_frame_metadata_t *metadata) { - ssize_t offset; - size_t size; - sp<IMemoryHeap> heap = mem->getMemory(&offset, &size); - - // local copy of the callback flags - int flags = mPreviewCallbackFlag; - - // is callback enabled? - if (!(flags & CAMERA_FRAME_CALLBACK_FLAG_ENABLE_MASK)) { - // If the enable bit is off, the copy-out and one-shot bits are ignored - LOG2("frame callback is disabled"); - mLock.unlock(); - return; - } - - // hold a strong pointer to the client - sp<ICameraClient> c = mCameraClient; - - // clear callback flags if no client or one-shot mode - if (c == 0 || (mPreviewCallbackFlag & CAMERA_FRAME_CALLBACK_FLAG_ONE_SHOT_MASK)) { - LOG2("Disable preview callback"); - mPreviewCallbackFlag &= ~(CAMERA_FRAME_CALLBACK_FLAG_ONE_SHOT_MASK | - CAMERA_FRAME_CALLBACK_FLAG_COPY_OUT_MASK | - CAMERA_FRAME_CALLBACK_FLAG_ENABLE_MASK); - disableMsgType(CAMERA_MSG_PREVIEW_FRAME); - } - - if (c != 0) { - // Is the received frame copied out or not? - if (flags & CAMERA_FRAME_CALLBACK_FLAG_COPY_OUT_MASK) { - LOG2("frame is copied"); - copyFrameAndPostCopiedFrame(msgType, c, heap, offset, size, metadata); - } else { - LOG2("frame is forwarded"); - mLock.unlock(); - c->dataCallback(msgType, mem, metadata); - } - } else { - mLock.unlock(); - } -} - -// picture callback - postview image ready -void CameraService::Client::handlePostview(const sp<IMemory>& mem) { - disableMsgType(CAMERA_MSG_POSTVIEW_FRAME); - - sp<ICameraClient> c = mCameraClient; - mLock.unlock(); - if (c != 0) { - c->dataCallback(CAMERA_MSG_POSTVIEW_FRAME, mem, NULL); - } -} - -// picture callback - raw image ready -void CameraService::Client::handleRawPicture(const sp<IMemory>& mem) { - disableMsgType(CAMERA_MSG_RAW_IMAGE); - - ssize_t offset; - size_t size; - sp<IMemoryHeap> heap = mem->getMemory(&offset, &size); - - sp<ICameraClient> c = mCameraClient; - mLock.unlock(); - if (c != 0) { - c->dataCallback(CAMERA_MSG_RAW_IMAGE, mem, NULL); - } -} - -// picture callback - compressed picture ready -void CameraService::Client::handleCompressedPicture(const sp<IMemory>& mem) { - disableMsgType(CAMERA_MSG_COMPRESSED_IMAGE); - - sp<ICameraClient> c = mCameraClient; - mLock.unlock(); - if (c != 0) { - c->dataCallback(CAMERA_MSG_COMPRESSED_IMAGE, mem, NULL); - } -} - - -void CameraService::Client::handleGenericNotify(int32_t msgType, - int32_t ext1, int32_t ext2) { - sp<ICameraClient> c = mCameraClient; - mLock.unlock(); - if (c != 0) { - c->notifyCallback(msgType, ext1, ext2); - } -} - -void CameraService::Client::handleGenericData(int32_t msgType, - const sp<IMemory>& dataPtr, camera_frame_metadata_t *metadata) { - sp<ICameraClient> c = mCameraClient; - mLock.unlock(); - if (c != 0) { - c->dataCallback(msgType, dataPtr, metadata); - } -} - -void CameraService::Client::handleGenericDataTimestamp(nsecs_t timestamp, - int32_t msgType, const sp<IMemory>& dataPtr) { - sp<ICameraClient> c = mCameraClient; - mLock.unlock(); - if (c != 0) { - c->dataCallbackTimestamp(timestamp, msgType, dataPtr); - } -} - -void CameraService::Client::copyFrameAndPostCopiedFrame( - int32_t msgType, const sp<ICameraClient>& client, - const sp<IMemoryHeap>& heap, size_t offset, size_t size, - camera_frame_metadata_t *metadata) { - LOG2("copyFrameAndPostCopiedFrame"); - // It is necessary to copy out of pmem before sending this to - // the callback. For efficiency, reuse the same MemoryHeapBase - // provided it's big enough. Don't allocate the memory or - // perform the copy if there's no callback. - // hold the preview lock while we grab a reference to the preview buffer - sp<MemoryHeapBase> previewBuffer; - - if (mPreviewBuffer == 0) { - mPreviewBuffer = new MemoryHeapBase(size, 0, NULL); - } else if (size > mPreviewBuffer->virtualSize()) { - mPreviewBuffer.clear(); - mPreviewBuffer = new MemoryHeapBase(size, 0, NULL); - } - if (mPreviewBuffer == 0) { - ALOGE("failed to allocate space for preview buffer"); - mLock.unlock(); - return; - } - previewBuffer = mPreviewBuffer; - - memcpy(previewBuffer->base(), (uint8_t *)heap->base() + offset, size); - - sp<MemoryBase> frame = new MemoryBase(previewBuffer, 0, size); - if (frame == 0) { - ALOGE("failed to allocate space for frame callback"); - mLock.unlock(); - return; - } - - mLock.unlock(); - client->dataCallback(msgType, frame, metadata); -} - -int CameraService::Client::getOrientation(int degrees, bool mirror) { - if (!mirror) { - if (degrees == 0) return 0; - else if (degrees == 90) return HAL_TRANSFORM_ROT_90; - else if (degrees == 180) return HAL_TRANSFORM_ROT_180; - else if (degrees == 270) return HAL_TRANSFORM_ROT_270; - } else { // Do mirror (horizontal flip) - if (degrees == 0) { // FLIP_H and ROT_0 - return HAL_TRANSFORM_FLIP_H; - } else if (degrees == 90) { // FLIP_H and ROT_90 - return HAL_TRANSFORM_FLIP_H | HAL_TRANSFORM_ROT_90; - } else if (degrees == 180) { // FLIP_H and ROT_180 - return HAL_TRANSFORM_FLIP_V; - } else if (degrees == 270) { // FLIP_H and ROT_270 - return HAL_TRANSFORM_FLIP_V | HAL_TRANSFORM_ROT_90; - } - } - ALOGE("Invalid setDisplayOrientation degrees=%d", degrees); - return -1; +void CameraService::Client::disconnect() { + mCameraService->removeClient(mCameraClient); + mCameraService->setCameraFree(mCameraId); } // ---------------------------------------------------------------------------- @@ -1293,41 +417,81 @@ static bool tryLock(Mutex& mutex) } 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: " + result.appendFormat("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); + result.append("CameraService may be deadlocked\n"); write(fd, result.string(), result.size()); } bool hasClient = false; + if (!mModule) { + result = String8::format("No camera module available!\n"); + write(fd, result.string(), result.size()); + return NO_ERROR; + } + + result = String8::format("Camera module HAL API version: 0x%x\n", + mModule->common.hal_api_version); + result.appendFormat("Camera module API version: 0x%x\n", + mModule->common.module_api_version); + result.appendFormat("Camera module name: %s\n", + mModule->common.name); + result.appendFormat("Camera module author: %s\n", + mModule->common.author); + result.appendFormat("Number of camera devices: %d\n\n", mNumberOfCameras); + write(fd, result.string(), result.size()); for (int i = 0; i < mNumberOfCameras; i++) { + result = String8::format("Camera %d static information:\n", i); + camera_info info; + + status_t rc = mModule->get_camera_info(i, &info); + if (rc != OK) { + result.appendFormat(" Error reading static information!\n"); + write(fd, result.string(), result.size()); + } else { + result.appendFormat(" Facing: %s\n", + info.facing == CAMERA_FACING_BACK ? "BACK" : "FRONT"); + result.appendFormat(" Orientation: %d\n", info.orientation); + int deviceVersion; + if (mModule->common.module_api_version < + CAMERA_MODULE_API_VERSION_2_0) { + deviceVersion = CAMERA_DEVICE_API_VERSION_1_0; + } else { + deviceVersion = info.device_version; + } + result.appendFormat(" Device version: 0x%x\n", deviceVersion); + if (deviceVersion >= CAMERA_DEVICE_API_VERSION_2_0) { + result.appendFormat(" Device static metadata:\n"); + write(fd, result.string(), result.size()); + dump_indented_camera_metadata(info.static_camera_characteristics, + fd, 2, 4); + } else { + write(fd, result.string(), result.size()); + } + } + sp<Client> client = mClient[i].promote(); - if (client == 0) continue; + if (client == 0) { + result = String8::format(" Device is closed, no client instance\n"); + write(fd, result.string(), result.size()); + continue; + } hasClient = true; - sprintf(buffer, "Client[%d] (%p) PID: %d\n", - i, - client->getCameraClient()->asBinder().get(), - client->mClientPid); - result.append(buffer); + result = String8::format(" Device is open. Client instance dump:\n"); write(fd, result.string(), result.size()); - client->mHardware->dump(fd, args); + client->dump(fd, args); } if (!hasClient) { - result.append("No camera client yet.\n"); + result = String8::format("\nNo active camera clients yet.\n"); write(fd, result.string(), result.size()); } @@ -1336,14 +500,16 @@ status_t CameraService::dump(int fd, const Vector<String16>& args) { // change logging level int n = args.size(); for (int i = 0; i + 1 < n; i++) { - if (args[i] == String16("-v")) { + String16 verboseOption("-v"); + if (args[i] == verboseOption) { String8 levelStr(args[i+1]); int level = atoi(levelStr.string()); - sprintf(buffer, "Set Log Level to %d", level); - result.append(buffer); + result = String8::format("\nSetting log level to %d.\n", level); setLogLevel(level); + write(fd, result.string(), result.size()); } } + } return NO_ERROR; } |