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/*
* Copyright (C) 2018 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_CAMERA3_COMPOSITE_STREAM_H
#define ANDROID_SERVERS_CAMERA_CAMERA3_COMPOSITE_STREAM_H
#include <set>
#include <unordered_map>
#include <android/hardware/camera2/ICameraDeviceCallbacks.h>
#include <camera/CameraMetadata.h>
#include <camera/camera2/OutputConfiguration.h>
#include <gui/IProducerListener.h>
#include "common/CameraDeviceBase.h"
#include "device3/Camera3StreamInterface.h"
namespace android {
class CameraDeviceClient;
class CameraMetadata;
class Surface;
namespace camera3 {
class CompositeStream : public camera3::Camera3StreamBufferListener {
public:
CompositeStream(sp<CameraDeviceBase> device, wp<hardware::camera2::ICameraDeviceCallbacks> cb);
virtual ~CompositeStream() {}
status_t createStream(const std::vector<sp<Surface>>& consumers,
bool hasDeferredConsumer, uint32_t width, uint32_t height, int format,
camera_stream_rotation_t rotation, int *id, const String8& physicalCameraId,
const std::unordered_set<int32_t> &sensorPixelModesUsed,
std::vector<int> *surfaceIds,
int streamSetId, bool isShared, bool isMultiResolution);
status_t deleteStream();
// Switch to offline mode and release any online resources.
void switchToOffline();
// Create and register all internal camera streams.
virtual status_t createInternalStreams(const std::vector<sp<Surface>>& consumers,
bool hasDeferredConsumer, uint32_t width, uint32_t height, int format,
camera_stream_rotation_t rotation, int *id, const String8& physicalCameraId,
const std::unordered_set<int32_t> &sensorPixelModesUsed,
std::vector<int> *surfaceIds,
int streamSetId, bool isShared) = 0;
// Release all internal streams and corresponding resources.
virtual status_t deleteInternalStreams() = 0;
// Stream configuration completed.
virtual status_t configureStream() = 0;
// Insert the internal composite stream id in the user capture request.
virtual status_t insertGbp(SurfaceMap* /*out*/outSurfaceMap,
Vector<int32_t>* /*out*/outputStreamIds, int32_t* /*out*/currentStreamId) = 0;
// Attach the internal composite stream ids.
virtual status_t insertCompositeStreamIds(
std::vector<int32_t>* compositeStreamIds /*out*/) = 0;
// Return composite stream id.
virtual int getStreamId() = 0;
// Notify when shutter notify is triggered
virtual void onShutter(const CaptureResultExtras& /*resultExtras*/, nsecs_t /*timestamp*/) {}
void onResultAvailable(const CaptureResult& result);
bool onError(int32_t errorCode, const CaptureResultExtras& resultExtras);
// Camera3StreamBufferListener implementation
void onBufferAcquired(const BufferInfo& /*bufferInfo*/) override { /*Empty for now */ }
void onBufferReleased(const BufferInfo& bufferInfo) override;
void onBufferRequestForFrameNumber(uint64_t frameNumber, int streamId,
const CameraMetadata& settings) override;
protected:
struct ProducerListener : public BnProducerListener {
// ProducerListener impementation
void onBufferReleased() override { /*No impl. for now*/ };
};
status_t registerCompositeStreamListener(int32_t streamId);
void eraseResult(int64_t frameNumber);
void flagAnErrorFrameNumber(int64_t frameNumber);
void notifyError(int64_t frameNumber, int32_t requestId);
// Subclasses should check for buffer errors from internal streams and return 'true' in
// case the error notification should remain within camera service.
virtual bool onStreamBufferError(const CaptureResultExtras& resultExtras) = 0;
// Subclasses can decide how to handle result errors depending on whether or not the
// internal processing needs result data.
virtual void onResultError(const CaptureResultExtras& resultExtras) = 0;
// Subclasses can decide how to handle request errors depending on whether
// or not the internal processing needs clean up.
virtual void onRequestError(const CaptureResultExtras& /*resultExtras*/) {}
// Device and/or service is in unrecoverable error state.
// Composite streams should behave accordingly.
void enableErrorState();
wp<CameraDeviceBase> mDevice;
wp<camera3::StatusTracker> mStatusTracker;
wp<hardware::camera2::ICameraDeviceCallbacks> mRemoteCallback;
mutable Mutex mMutex;
Condition mInputReadyCondition;
int32_t mNumPartialResults;
bool mErrorState;
// Frame number to capture result map of partial pending request results.
std::unordered_map<uint64_t, CameraMetadata> mPendingCaptureResults;
// Timestamp to capture (frame number, result) map of completed pending request results.
std::unordered_map<int64_t, std::tuple<int64_t, CameraMetadata>> mCaptureResults;
// Frame number to timestamp map
std::unordered_map<int64_t, int64_t> mFrameNumberMap;
// Keeps a set buffer/result frame numbers for any errors detected during processing.
std::set<int64_t> mErrorFrameNumbers;
};
}; //namespace camera3
}; //namespace android
#endif