diff options
Diffstat (limited to 'services/camera/libcameraservice/CameraService.cpp')
| -rw-r--r-- | services/camera/libcameraservice/CameraService.cpp | 310 |
1 files changed, 239 insertions, 71 deletions
diff --git a/services/camera/libcameraservice/CameraService.cpp b/services/camera/libcameraservice/CameraService.cpp index fe1e707..9fd35e1 100644 --- a/services/camera/libcameraservice/CameraService.cpp +++ b/services/camera/libcameraservice/CameraService.cpp @@ -39,6 +39,8 @@ #include <utils/String16.h> #include <utils/Trace.h> #include <system/camera_vendor_tags.h> +#include <system/camera_metadata.h> +#include <system/camera.h> #include "CameraService.h" #include "api1/CameraClient.h" @@ -178,6 +180,9 @@ void CameraService::onDeviceStatusChanged(int cameraId, { Mutex::Autolock al(mServiceLock); + /* Remove cached parameters from shim cache */ + mShimParams.removeItem(cameraId); + /* Find all clients that we need to disconnect */ sp<BasicClient> client = mClient[cameraId].promote(); if (client.get() != NULL) { @@ -236,6 +241,96 @@ status_t CameraService::getCameraInfo(int cameraId, return rc; } + +status_t CameraService::generateShimMetadata(int cameraId, /*out*/CameraMetadata* cameraInfo) { + status_t ret = OK; + struct CameraInfo info; + if ((ret = getCameraInfo(cameraId, &info)) != OK) { + return ret; + } + + CameraMetadata shimInfo; + int32_t orientation = static_cast<int32_t>(info.orientation); + if ((ret = shimInfo.update(ANDROID_SENSOR_ORIENTATION, &orientation, 1)) != OK) { + return ret; + } + + uint8_t facing = (info.facing == CAMERA_FACING_FRONT) ? + ANDROID_LENS_FACING_FRONT : ANDROID_LENS_FACING_BACK; + if ((ret = shimInfo.update(ANDROID_LENS_FACING, &facing, 1)) != OK) { + return ret; + } + + ssize_t index = -1; + { // Scope for service lock + Mutex::Autolock lock(mServiceLock); + index = mShimParams.indexOfKey(cameraId); + // Release service lock so initializeShimMetadata can be called correctly. + } + + if (index < 0) { + int64_t token = IPCThreadState::self()->clearCallingIdentity(); + ret = initializeShimMetadata(cameraId); + IPCThreadState::self()->restoreCallingIdentity(token); + if (ret != OK) { + return ret; + } + } + + Vector<Size> sizes; + Vector<int32_t> formats; + const char* supportedPreviewFormats; + { // Scope for service lock + Mutex::Autolock lock(mServiceLock); + index = mShimParams.indexOfKey(cameraId); + + mShimParams[index].getSupportedPreviewSizes(/*out*/sizes); + + mShimParams[index].getSupportedPreviewFormats(/*out*/formats); + } + + // Always include IMPLEMENTATION_DEFINED + formats.add(HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED); + + const size_t INTS_PER_CONFIG = 4; + + // Build available stream configurations metadata + size_t streamConfigSize = sizes.size() * formats.size() * INTS_PER_CONFIG; + int32_t streamConfigs[streamConfigSize]; + size_t configIndex = 0; + for (size_t i = 0; i < formats.size(); ++i) { + for (size_t j = 0; j < sizes.size(); ++j) { + streamConfigs[configIndex++] = formats[i]; + streamConfigs[configIndex++] = sizes[j].width; + streamConfigs[configIndex++] = sizes[j].height; + streamConfigs[configIndex++] = + ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT; + } + } + + if ((ret = shimInfo.update(ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS, + streamConfigs, streamConfigSize)) != OK) { + return ret; + } + + int64_t fakeMinFrames[0]; + // TODO: Fixme, don't fake min frame durations. + if ((ret = shimInfo.update(ANDROID_SCALER_AVAILABLE_MIN_FRAME_DURATIONS, + fakeMinFrames, 0)) != OK) { + return ret; + } + + int64_t fakeStalls[0]; + // TODO: Fixme, don't fake stall durations. + if ((ret = shimInfo.update(ANDROID_SCALER_AVAILABLE_STALL_DURATIONS, + fakeStalls, 0)) != OK) { + return ret; + } + + *cameraInfo = shimInfo; + return OK; +} + status_t CameraService::getCameraCharacteristics(int cameraId, CameraMetadata* cameraInfo) { if (!cameraInfo) { @@ -248,34 +343,38 @@ status_t CameraService::getCameraCharacteristics(int cameraId, return -ENODEV; } - if (mModule->common.module_api_version < CAMERA_MODULE_API_VERSION_2_0) { - // TODO: Remove this check once HAL1 shim is in place. - ALOGE("%s: Only HAL module version V2 or higher supports static metadata", __FUNCTION__); - return BAD_VALUE; - } - if (cameraId < 0 || cameraId >= mNumberOfCameras) { ALOGE("%s: Invalid camera id: %d", __FUNCTION__, cameraId); return BAD_VALUE; } int facing; - if (getDeviceVersion(cameraId, &facing) == CAMERA_DEVICE_API_VERSION_1_0) { - // TODO: Remove this check once HAL1 shim is in place. - ALOGE("%s: HAL1 doesn't support static metadata yet", __FUNCTION__); - return BAD_VALUE; - } + status_t ret = OK; + if (mModule->common.module_api_version < CAMERA_MODULE_API_VERSION_2_0 || + getDeviceVersion(cameraId, &facing) <= CAMERA_DEVICE_API_VERSION_2_1 ) { + /** + * Backwards compatibility mode for old HALs: + * - Convert CameraInfo into static CameraMetadata properties. + * - Retrieve cached CameraParameters for this camera. If none exist, + * attempt to open CameraClient and retrieve the CameraParameters. + * - Convert cached CameraParameters into static CameraMetadata + * properties. + */ + ALOGI("%s: Switching to HAL1 shim implementation...", __FUNCTION__); + + if ((ret = generateShimMetadata(cameraId, cameraInfo)) != OK) { + return ret; + } - if (getDeviceVersion(cameraId, &facing) <= CAMERA_DEVICE_API_VERSION_2_1) { - // Disable HAL2.x support for camera2 API for now. - ALOGW("%s: HAL2.x doesn't support getCameraCharacteristics for now", __FUNCTION__); - return BAD_VALUE; + } else { + /** + * Normal HAL 2.1+ codepath. + */ + struct camera_info info; + ret = mModule->get_camera_info(cameraId, &info); + *cameraInfo = info.static_camera_characteristics; } - struct camera_info info; - status_t ret = mModule->get_camera_info(cameraId, &info); - *cameraInfo = info.static_camera_characteristics; - return ret; } @@ -285,12 +384,6 @@ status_t CameraService::getCameraVendorTagDescriptor(/*out*/sp<VendorTagDescript return -ENODEV; } - if (mModule->common.module_api_version < CAMERA_MODULE_API_VERSION_2_2) { - // TODO: Remove this check once HAL1 shim is in place. - ALOGW("%s: Only HAL module version V2.2 or higher supports vendor tags", __FUNCTION__); - return -EOPNOTSUPP; - } - desc = VendorTagDescriptor::getGlobalVendorTagDescriptor(); return OK; } @@ -372,6 +465,54 @@ bool CameraService::setUpVendorTags() { return true; } +status_t CameraService::initializeShimMetadata(int cameraId) { + int pid = getCallingPid(); + int uid = getCallingUid(); + status_t ret = validateConnect(cameraId, uid); + if (ret != OK) { + return ret; + } + + bool needsNewClient = false; + sp<Client> client; + + String16 internalPackageName("media"); + { // Scope for service lock + Mutex::Autolock lock(mServiceLock); + if (mClient[cameraId] != NULL) { + client = static_cast<Client*>(mClient[cameraId].promote().get()); + } + if (client == NULL) { + needsNewClient = true; + ret = connectHelperLocked(/*cameraClient*/NULL, // Empty binder callbacks + cameraId, + internalPackageName, + uid, + pid, + client); + + if (ret != OK) { + return ret; + } + } + + if (client == NULL) { + ALOGE("%s: Could not connect to client camera device.", __FUNCTION__); + return BAD_VALUE; + } + + String8 rawParams = client->getParameters(); + CameraParameters params(rawParams); + mShimParams.add(cameraId, params); + } + + // Close client if one was opened solely for this call + if (needsNewClient) { + client->disconnect(); + } + return OK; +} + status_t CameraService::validateConnect(int cameraId, /*inout*/ int& clientUid) const { @@ -468,6 +609,64 @@ bool CameraService::canConnectUnsafe(int cameraId, return true; } +status_t CameraService::connectHelperLocked(const sp<ICameraClient>& cameraClient, + int cameraId, + const String16& clientPackageName, + int clientUid, + int callingPid, + /*out*/ + sp<Client>& client) { + + int facing = -1; + int deviceVersion = getDeviceVersion(cameraId, &facing); + + // If there are other non-exclusive users of the camera, + // this will tear them down before we can reuse the camera + if (isValidCameraId(cameraId)) { + // transition from PRESENT -> NOT_AVAILABLE + updateStatus(ICameraServiceListener::STATUS_NOT_AVAILABLE, + cameraId); + } + + switch(deviceVersion) { + case CAMERA_DEVICE_API_VERSION_1_0: + client = new CameraClient(this, cameraClient, + clientPackageName, cameraId, + facing, callingPid, clientUid, getpid()); + break; + case CAMERA_DEVICE_API_VERSION_2_0: + case CAMERA_DEVICE_API_VERSION_2_1: + case CAMERA_DEVICE_API_VERSION_3_0: + case CAMERA_DEVICE_API_VERSION_3_1: + case CAMERA_DEVICE_API_VERSION_3_2: + client = new Camera2Client(this, cameraClient, + clientPackageName, cameraId, + facing, callingPid, clientUid, getpid(), + deviceVersion); + break; + case -1: + ALOGE("Invalid camera id %d", cameraId); + return BAD_VALUE; + default: + ALOGE("Unknown camera device HAL version: %d", deviceVersion); + return INVALID_OPERATION; + } + + status_t status = connectFinishUnsafe(client, client->getRemote()); + if (status != OK) { + // this is probably not recoverable.. maybe the client can try again + // OK: we can only get here if we were originally in PRESENT state + updateStatus(ICameraServiceListener::STATUS_PRESENT, cameraId); + return status; + } + + mClient[cameraId] = client; + LOG1("CameraService::connect X (id %d, this pid is %d)", cameraId, + getpid()); + + return OK; +} + status_t CameraService::connect( const sp<ICameraClient>& cameraClient, int cameraId, @@ -501,52 +700,16 @@ status_t CameraService::connect( return OK; } - int facing = -1; - int deviceVersion = getDeviceVersion(cameraId, &facing); - - // If there are other non-exclusive users of the camera, - // this will tear them down before we can reuse the camera - if (isValidCameraId(cameraId)) { - // transition from PRESENT -> NOT_AVAILABLE - updateStatus(ICameraServiceListener::STATUS_NOT_AVAILABLE, - cameraId); - } - - switch(deviceVersion) { - case CAMERA_DEVICE_API_VERSION_1_0: - client = new CameraClient(this, cameraClient, - clientPackageName, cameraId, - facing, callingPid, clientUid, getpid()); - break; - case CAMERA_DEVICE_API_VERSION_2_0: - case CAMERA_DEVICE_API_VERSION_2_1: - case CAMERA_DEVICE_API_VERSION_3_0: - case CAMERA_DEVICE_API_VERSION_3_1: - case CAMERA_DEVICE_API_VERSION_3_2: - client = new Camera2Client(this, cameraClient, - clientPackageName, cameraId, - facing, callingPid, clientUid, getpid(), - deviceVersion); - break; - case -1: - ALOGE("Invalid camera id %d", cameraId); - return BAD_VALUE; - default: - ALOGE("Unknown camera device HAL version: %d", deviceVersion); - return INVALID_OPERATION; - } - - status_t status = connectFinishUnsafe(client, client->getRemote()); + status = connectHelperLocked(cameraClient, + cameraId, + clientPackageName, + clientUid, + callingPid, + client); if (status != OK) { - // this is probably not recoverable.. maybe the client can try again - // OK: we can only get here if we were originally in PRESENT state - updateStatus(ICameraServiceListener::STATUS_PRESENT, cameraId); return status; } - mClient[cameraId] = client; - LOG1("CameraService::connect X (id %d, this pid is %d)", cameraId, - getpid()); } // important: release the mutex here so the client can call back // into the service from its destructor (can be at the end of the call) @@ -561,8 +724,9 @@ status_t CameraService::connectFinishUnsafe(const sp<BasicClient>& client, if (status != OK) { return status; } - - remoteCallback->linkToDeath(this); + if (remoteCallback != NULL) { + remoteCallback->linkToDeath(this); + } return OK; } @@ -800,9 +964,13 @@ void CameraService::removeClientByRemote(const wp<IBinder>& remoteBinder) { if (client != 0) { // Found our camera, clear and leave. LOG1("removeClient: clear camera %d", outIndex); - mClient[outIndex].clear(); - client->getRemote()->unlinkToDeath(this); + sp<IBinder> remote = client->getRemote(); + if (remote != NULL) { + remote->unlinkToDeath(this); + } + + mClient[outIndex].clear(); } else { sp<ProClient> clientPro = findProClientUnsafe(remoteBinder); |