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author | Eino-Ville Talvala <etalvala@google.com> | 2013-02-06 17:20:07 -0800 |
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committer | Eino-Ville Talvala <etalvala@google.com> | 2013-02-27 12:47:21 -0800 |
commit | 7fa43f376ebd63fda24d85c9ebf97e0ddf534083 (patch) | |
tree | 46c73e2599e85fe59accef0c7efd4780b47f26a3 /services/camera/libcameraservice/Camera3Device.h | |
parent | f5daac4225905184b8d7cdd2fd87247d73e27ea7 (diff) | |
download | frameworks_av-7fa43f376ebd63fda24d85c9ebf97e0ddf534083.zip frameworks_av-7fa43f376ebd63fda24d85c9ebf97e0ddf534083.tar.gz frameworks_av-7fa43f376ebd63fda24d85c9ebf97e0ddf534083.tar.bz2 |
Camera: Start of support for version 3.0 of camera device HAL
- Refactor common CameraDevice interface out of Camera2Device
- Initial skeleton only for Camera3Device
Change-Id: I097cc76e2ad102a51712ac114235163245f5482c
Diffstat (limited to 'services/camera/libcameraservice/Camera3Device.h')
-rw-r--r-- | services/camera/libcameraservice/Camera3Device.h | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/services/camera/libcameraservice/Camera3Device.h b/services/camera/libcameraservice/Camera3Device.h new file mode 100644 index 0000000..2bc7cf0 --- /dev/null +++ b/services/camera/libcameraservice/Camera3Device.h @@ -0,0 +1,133 @@ +/* + * Copyright (C) 2013 The Android Open Source Project + * + * 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_CAMERA3DEVICE_H +#define ANDROID_SERVERS_CAMERA_CAMERA3DEVICE_H + +#include <utils/Condition.h> +#include <utils/Errors.h> +#include <utils/List.h> +#include <utils/Mutex.h> +#include <utils/Thread.h> + +#include "CameraDeviceBase.h" + +#include "hardware/camera3.h" + +/** + * Function pointer types with C calling convention to + * use for HAL callback functions. + */ +extern "C" { + typedef void (callbacks_process_capture_result_t)( + const struct camera3_callback_ops *, + const camera3_capture_result_t *); + + typedef void (callbacks_notify_t)( + const struct camera3_callback_ops *, + const camera3_notify_msg_t *); +} + +namespace android { + +/** + * CameraDevice for HAL devices with version CAMERA_DEVICE_API_VERSION_3_0 + */ +class Camera3Device : + public CameraDeviceBase, + private camera3_callback_ops { + public: + Camera3Device(int id); + + virtual ~Camera3Device(); + + /** + * CameraDevice interface + */ + virtual status_t initialize(camera_module_t *module); + virtual status_t disconnect(); + virtual status_t dump(int fd, const Vector<String16> &args); + virtual const CameraMetadata& info() const; + virtual status_t capture(CameraMetadata &request); + virtual status_t setStreamingRequest(const CameraMetadata &request); + virtual status_t clearStreamingRequest(); + virtual status_t waitUntilRequestReceived(int32_t requestId, nsecs_t timeout); + virtual status_t createStream(sp<ANativeWindow> consumer, + uint32_t width, uint32_t height, int format, size_t size, + int *id); + virtual status_t createReprocessStreamFromStream(int outputId, int *id); + virtual status_t getStreamInfo(int id, + uint32_t *width, uint32_t *height, uint32_t *format); + virtual status_t setStreamTransform(int id, int transform); + virtual status_t deleteStream(int id); + virtual status_t deleteReprocessStream(int id); + virtual status_t createDefaultRequest(int templateId, CameraMetadata *request); + virtual status_t waitUntilDrained(); + virtual status_t setNotifyCallback(NotificationListener *listener); + virtual status_t waitForNextFrame(nsecs_t timeout); + virtual status_t getNextFrame(CameraMetadata *frame); + virtual status_t triggerAutofocus(uint32_t id); + virtual status_t triggerCancelAutofocus(uint32_t id); + virtual status_t triggerPrecaptureMetering(uint32_t id); + virtual status_t pushReprocessBuffer(int reprocessStreamId, + buffer_handle_t *buffer, wp<BufferReleasedListener> listener); + + private: + const int mId; + camera3_device_t *mHal3Device; + + CameraMetadata mDeviceInfo; + vendor_tag_query_ops_t mVendorTagOps; + + /** + * Thread for managing capture request submission to HAL device. + */ + class RequestThread: public Thread { + + public: + + RequestThread(wp<Camera3Device> parent); + + protected: + + virtual bool threadLoop(); + + private: + + wp<Camera3Device> mParent; + + }; + sp<RequestThread> requestThread; + + /** + * Callback functions from HAL device + */ + void processCaptureResult(const camera3_capture_result *result); + + void notify(const camera3_notify_msg *msg); + + /** + * Static callback forwarding methods from HAL to instance + */ + static callbacks_process_capture_result_t sProcessCaptureResult; + + static callbacks_notify_t sNotify; + +}; // class Camera3Device + +}; // namespace android + +#endif |