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/*
* Copyright (C) 2012 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_CAMERA2_FRAMEPROCESSOR_H
#define ANDROID_SERVERS_CAMERA_CAMERA2_FRAMEPROCESSOR_H
#include <utils/Thread.h>
#include <utils/String16.h>
#include <utils/Vector.h>
#include <utils/KeyedVector.h>
#include <utils/List.h>
#include <camera/CameraMetadata.h>
#include "common/FrameProcessorBase.h"
struct camera_frame_metadata;
namespace android {
class Camera2Client;
namespace camera2 {
/* Output frame metadata processing thread. This thread waits for new
* frames from the device, and analyzes them as necessary.
*/
class FrameProcessor : public FrameProcessorBase {
public:
FrameProcessor(wp<CameraDeviceBase> device, sp<Camera2Client> client);
~FrameProcessor();
private:
wp<Camera2Client> mClient;
bool mSynthesize3ANotify;
int mLastFrameNumberOfFaces;
void processNewFrames(const sp<Camera2Client> &client);
virtual bool processSingleFrame(CaptureResult &frame,
const sp<CameraDeviceBase> &device);
status_t processFaceDetect(const CameraMetadata &frame,
const sp<Camera2Client> &client);
// Send 3A state change notifications to client based on frame metadata
status_t process3aState(const CaptureResult &frame,
const sp<Camera2Client> &client);
// Helper for process3aState
template<typename Src, typename T>
bool get3aResult(const CameraMetadata& result, int32_t tag, T* value,
int32_t frameNumber, int cameraId);
struct AlgState {
// TODO: also track AE mode
camera_metadata_enum_android_control_af_mode afMode;
camera_metadata_enum_android_control_awb_mode awbMode;
camera_metadata_enum_android_control_ae_state aeState;
camera_metadata_enum_android_control_af_state afState;
camera_metadata_enum_android_control_awb_state awbState;
int32_t afTriggerId;
int32_t aeTriggerId;
// These defaults need to match those in Parameters.cpp
AlgState() :
afMode(ANDROID_CONTROL_AF_MODE_AUTO),
awbMode(ANDROID_CONTROL_AWB_MODE_AUTO),
aeState(ANDROID_CONTROL_AE_STATE_INACTIVE),
afState(ANDROID_CONTROL_AF_STATE_INACTIVE),
awbState(ANDROID_CONTROL_AWB_STATE_INACTIVE),
afTriggerId(0),
aeTriggerId(0) {
}
} m3aState;
// Whether the partial result is enabled for this device
bool mUsePartialResult;
// Track most recent frame number for which 3A notifications were sent for.
// Used to filter against sending 3A notifications for the same frame
// several times.
int32_t mLast3AFrameNumber;
// Emit FaceDetection event to java if faces changed
void callbackFaceDetection(sp<Camera2Client> client,
const camera_frame_metadata &metadata);
};
}; //namespace camera2
}; //namespace android
#endif