diff options
Diffstat (limited to 'src/android/camera_device.cpp')
| -rw-r--r-- | src/android/camera_device.cpp | 48 |
1 files changed, 30 insertions, 18 deletions
diff --git a/src/android/camera_device.cpp b/src/android/camera_device.cpp index 67c1d47e..b460d499 100644 --- a/src/android/camera_device.cpp +++ b/src/android/camera_device.cpp @@ -6,6 +6,7 @@ */ #include "camera_device.h" +#include "camera_ops.h" #include "log.h" #include "utils.h" @@ -39,13 +40,13 @@ CameraDevice::Camera3RequestDescriptor::~Camera3RequestDescriptor() * \class CameraDevice * * The CameraDevice class wraps a libcamera::Camera instance, and implements - * the camera_device_t interface by handling RPC requests received from its - * associated CameraProxy. + * the camera3_device_t interface, bridging calls received from the Android + * camera service to the CameraDevice. * - * It translate parameters and operations from Camera HALv3 API to the libcamera - * ones to provide static information for a Camera, create request templates - * for it, process capture requests and then deliver capture results back - * to the framework using the designated callbacks. + * The class translates parameters and operations from the Camera HALv3 API to + * the libcamera API to provide static information for a Camera, create request + * templates for it, process capture requests and then deliver capture results + * back to the framework using the designated callbacks. */ CameraDevice::CameraDevice(unsigned int id, const std::shared_ptr<Camera> &camera) @@ -63,7 +64,7 @@ CameraDevice::~CameraDevice() delete it.second; } -int CameraDevice::open() +int CameraDevice::open(const hw_module_t *hardwareModule) { int ret = camera_->acquire(); if (ret) { @@ -71,6 +72,19 @@ int CameraDevice::open() return ret; } + /* Initialize the hw_device_t in the instance camera3_module_t. */ + camera3Device_.common.tag = HARDWARE_DEVICE_TAG; + camera3Device_.common.version = CAMERA_DEVICE_API_VERSION_3_3; + camera3Device_.common.module = (hw_module_t *)hardwareModule; + camera3Device_.common.close = hal_dev_close; + + /* + * The camera device operations. These actually implement + * the Android Camera HALv3 interface. + */ + camera3Device_.ops = &hal_dev_ops; + camera3Device_.priv = this; + return 0; } @@ -90,7 +104,7 @@ void CameraDevice::setCallbacks(const camera3_callback_ops_t *callbacks) /* * Return static information for the camera. */ -camera_metadata_t *CameraDevice::getStaticMetadata() +const camera_metadata_t *CameraDevice::getStaticMetadata() { if (staticMetadata_) return staticMetadata_->get(); @@ -675,7 +689,7 @@ int CameraDevice::configureStreams(camera3_stream_configuration_t *stream_list) return 0; } -void CameraDevice::processCaptureRequest(camera3_capture_request_t *camera3Request) +int CameraDevice::processCaptureRequest(camera3_capture_request_t *camera3Request) { StreamConfiguration *streamConfiguration = &config_->at(0); Stream *stream = streamConfiguration->stream(); @@ -683,7 +697,7 @@ void CameraDevice::processCaptureRequest(camera3_capture_request_t *camera3Reque if (camera3Request->num_output_buffers != 1) { LOG(HAL, Error) << "Invalid number of output buffers: " << camera3Request->num_output_buffers; - return; + return -EINVAL; } /* Start the camera if that's the first request we handle. */ @@ -691,7 +705,7 @@ void CameraDevice::processCaptureRequest(camera3_capture_request_t *camera3Reque int ret = camera_->start(); if (ret) { LOG(HAL, Error) << "Failed to start camera"; - return; + return ret; } running_ = true; @@ -747,7 +761,7 @@ void CameraDevice::processCaptureRequest(camera3_capture_request_t *camera3Reque if (!buffer) { LOG(HAL, Error) << "Failed to create buffer"; delete descriptor; - return; + return -ENOMEM; } Request *request = @@ -757,14 +771,12 @@ void CameraDevice::processCaptureRequest(camera3_capture_request_t *camera3Reque int ret = camera_->queueRequest(request); if (ret) { LOG(HAL, Error) << "Failed to queue request"; - goto error; + delete request; + delete descriptor; + return ret; } - return; - -error: - delete request; - delete descriptor; + return 0; } void CameraDevice::requestComplete(Request *request) |