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/*
* 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 int getId() const;
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
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