114 lines
3.9 KiB
C++
114 lines
3.9 KiB
C++
/*
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* Copyright (C) 2013-2017 Intel Corporation
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* Copyright (c) 2017, Fuzhou Rockchip Electronics Co., Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _CAMERA3_HAL_CAMERA_STREAM_H_
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#define _CAMERA3_HAL_CAMERA_STREAM_H_
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#include <mutex>
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#include <atomic>
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#include <hardware/camera3.h>
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#include "CameraStreamNode.h"
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#include "CameraBuffer.h"
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#include "PlatformData.h" // for macro MAX_REQUEST_IN_PROCESS_NUM
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#include "ICameraHw.h"
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#include <memory>
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#include "PerformanceTraces.h"
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NAMESPACE_DECLARATION {
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enum STREAM_TYPE {
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STREAM_PREVIEW = 1,
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STREAM_CAPTURE = 1 << 1,
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STREAM_VIDEO = 1 << 2,
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STREAM_ZSL = 1 << 3
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};
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class IRequestCallback;
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class Camera3Request;
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/**
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* \class CameraStream
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* This class represents a user created stream
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*
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* This class is an HAL internal representation of the user provided stream
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* It is stored in the priv field of the camera3_stream_t passed by the user.
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*
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* It handles the sequential return of buffers from the Camera HW class
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* Each CameraStream is bound to a HW counter part that will produce the data
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*
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* This class can be used by request thread and callback thread
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*
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*/
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class CameraStream : public CameraStreamNode {
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public:
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CameraStream(int seqNo, camera3_stream_t * stream, IRequestCallback * callback);
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~CameraStream();
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void setActive(bool active);
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bool isActive() const {return mActive; }
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void dump(bool dumpBuffers = false) const;
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int seqNo(void) const { return mSeqNo; };
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int width(void) const { return mStream3->width; }
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int height(void) const { return mStream3->height; }
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int format(void) const { return mStream3->format; }
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int buffersNum(void) const { return mCamera3Buffers.size(); }
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//override API
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virtual int usage(void) const { return (mStream3 ? mStream3->usage : 0); }
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virtual status_t query(FrameInfo *info);
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virtual status_t capture(std::shared_ptr<CameraBuffer> aBuffer,
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Camera3Request* request);
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virtual status_t captureDone(std::shared_ptr<CameraBuffer> aBuffer,
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Camera3Request* request = NULL);
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virtual status_t reprocess(std::shared_ptr<CameraBuffer> aBuffer,
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Camera3Request* request);
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status_t processRequest(Camera3Request* request);
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camera3_stream_t * getStream() const { return mStream3;};
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void dump(int fd) const;
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void incOutBuffersInHal() { mOutputBuffersInHal++; }
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void decOutBuffersInHal() { mOutputBuffersInHal--; }
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int32_t outBuffersInHal() { return mOutputBuffersInHal; }
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int getStreamType() { return mStreamType; }
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private: /* Methods */
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// CameraStreamNode override API
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virtual status_t configure(void);
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void showDebugFPS(int streamType);
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private: /* Members */
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bool mActive; /* Tracks the status of the stream during config time*/
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int mSeqNo; /* Index of the stream */
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int mStreamType;
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IRequestCallback * mCallback;
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std::atomic<int32_t> mOutputBuffersInHal;
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std::vector<std::shared_ptr<CameraBuffer> > mCamera3Buffers;
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camera3_stream_t * mStream3; /* one stream of config_streams from client which not owned here */
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std::vector<Camera3Request*> mPendingRequests;
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std::mutex mPendingLock; /* Protects mPendingRequests */
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int mFrameCount;
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int mLastFrameCount;
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nsecs_t mLastFpsTime;
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};
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} NAMESPACE_DECLARATION_END
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#endif // _CAMERA3_HAL_CAMERA_STREAM_H_
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