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98 lines
3.1 KiB
98 lines
3.1 KiB
/*
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* Copyright (C) 2013 The Android Open Source Project
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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 ANDROID_SERVERS_CAMERA_CAMERA2_PROFRAMEPROCESSOR_H
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#define ANDROID_SERVERS_CAMERA_CAMERA2_PROFRAMEPROCESSOR_H
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#include <utils/Thread.h>
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#include <utils/String16.h>
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#include <utils/Vector.h>
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#include <utils/KeyedVector.h>
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#include <utils/List.h>
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#include <camera/CameraMetadata.h>
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#include <camera/CaptureResult.h>
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namespace android {
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class FrameProducer;
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namespace camera2 {
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/* Output frame metadata processing thread. This thread waits for new
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* frames from the frame producer, and analyzes them as necessary.
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*/
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class FrameProcessorBase: public Thread {
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public:
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explicit FrameProcessorBase(wp<FrameProducer> device);
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virtual ~FrameProcessorBase();
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struct FilteredListener: virtual public RefBase {
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virtual void onResultAvailable(const CaptureResult &result) = 0;
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};
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static const int32_t FRAME_PROCESSOR_LISTENER_MIN_ID = 0;
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static const int32_t FRAME_PROCESSOR_LISTENER_MAX_ID = 0x7fffffffL;
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// Register a listener for a range of IDs [minId, maxId). Multiple listeners
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// can be listening to the same range. Registering the same listener with
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// the same range of IDs has no effect.
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// sendPartials controls whether partial results will be sent.
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status_t registerListener(int32_t minId, int32_t maxId,
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const wp<FilteredListener>& listener,
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bool sendPartials = true);
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status_t removeListener(int32_t minId, int32_t maxId,
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const wp<FilteredListener>& listener);
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void dump(int fd, const Vector<String16>& args);
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protected:
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static const nsecs_t kWaitDuration = 10000000; // 10 ms
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wp<FrameProducer> mDevice;
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virtual bool threadLoop();
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Mutex mInputMutex;
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Mutex mLastFrameMutex;
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struct RangeListener {
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int32_t minId;
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int32_t maxId;
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wp<FilteredListener> listener;
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bool sendPartials;
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};
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List<RangeListener> mRangeListeners;
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// Number of partial result the HAL will potentially send.
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int32_t mNumPartialResults;
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void processNewFrames(const sp<FrameProducer> &device);
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virtual bool processSingleFrame(CaptureResult &result,
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const sp<FrameProducer> &device);
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status_t processListeners(const CaptureResult &result,
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const sp<FrameProducer> &device);
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CameraMetadata mLastFrame;
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std::vector<PhysicalCaptureResultInfo> mLastPhysicalFrames;
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};
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}; //namespace camera2
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}; //namespace android
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#endif
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