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1 /*
2  * Copyright (C) 2018 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef ANDROID_SERVERS_CAMERA_CAMERA3_DEPTH_COMPOSITE_STREAM_H
18 #define ANDROID_SERVERS_CAMERA_CAMERA3_DEPTH_COMPOSITE_STREAM_H
19 
20 #include "common/DepthPhotoProcessor.h"
21 #include <dynamic_depth/imaging_model.h>
22 #include <dynamic_depth/depth_map.h>
23 
24 #include <gui/CpuConsumer.h>
25 
26 #include "CompositeStream.h"
27 
28 using dynamic_depth::DepthMap;
29 using dynamic_depth::Item;
30 using dynamic_depth::ImagingModel;
31 
32 namespace android {
33 
34 class CameraDeviceClient;
35 class CameraMetadata;
36 class Surface;
37 
38 namespace camera3 {
39 
40 class DepthCompositeStream : public CompositeStream, public Thread,
41         public CpuConsumer::FrameAvailableListener {
42 
43 public:
44     DepthCompositeStream(sp<CameraDeviceBase> device,
45             wp<hardware::camera2::ICameraDeviceCallbacks> cb);
46     ~DepthCompositeStream() override;
47 
48     static bool isDepthCompositeStream(const sp<Surface> &surface);
49 
50     // CompositeStream overrides
51     status_t createInternalStreams(const std::vector<sp<Surface>>& consumers,
52             bool hasDeferredConsumer, uint32_t width, uint32_t height, int format,
53             camera_stream_rotation_t rotation, int *id, const String8& physicalCameraId,
54             const std::unordered_set<int32_t> &sensorPixelModesUsed,
55             std::vector<int> *surfaceIds,
56             int streamSetId, bool isShared) override;
57     status_t deleteInternalStreams() override;
58     status_t configureStream() override;
59     status_t insertGbp(SurfaceMap* /*out*/outSurfaceMap, Vector<int32_t>* /*out*/outputStreamIds,
60             int32_t* /*out*/currentStreamId) override;
61     status_t insertCompositeStreamIds(std::vector<int32_t>* compositeStreamIds /*out*/) override;
getStreamId()62     int getStreamId() override { return mBlobStreamId; }
63 
64     // CpuConsumer listener implementation
65     void onFrameAvailable(const BufferItem& item) override;
66 
67     // Return stream information about the internal camera streams
68     static status_t getCompositeStreamInfo(const OutputStreamInfo &streamInfo,
69             const CameraMetadata& ch, std::vector<OutputStreamInfo>* compositeOutput /*out*/);
70 
71 protected:
72 
73     bool threadLoop() override;
74     bool onStreamBufferError(const CaptureResultExtras& resultExtras) override;
75     void onResultError(const CaptureResultExtras& resultExtras) override;
76 
77 private:
78     struct InputFrame {
79         CpuConsumer::LockedBuffer depthBuffer;
80         CpuConsumer::LockedBuffer jpegBuffer;
81         CameraMetadata            result;
82         bool                      error;
83         bool                      errorNotified;
84         int64_t                   frameNumber;
85         int32_t                   requestId;
86 
InputFrameInputFrame87         InputFrame() : error(false), errorNotified(false), frameNumber(-1), requestId(-1) { }
88     };
89 
90     // Helper methods
91     static void getSupportedDepthSizes(const CameraMetadata& ch, bool maxResolution,
92             std::vector<std::tuple<size_t, size_t>>* depthSizes /*out*/);
93     static status_t getMatchingDepthSize(size_t width, size_t height,
94             const std::vector<std::tuple<size_t, size_t>>& supporedDepthSizes,
95             size_t *depthWidth /*out*/, size_t *depthHeight /*out*/);
96     static status_t checkAndGetMatchingDepthSize(size_t width, size_t height,
97         const std::vector<std::tuple<size_t, size_t>> &depthSizes,
98         const std::vector<std::tuple<size_t, size_t>> &depthSizesMaximumResolution,
99         const std::unordered_set<int32_t> &sensorPixelModesUsed,
100         size_t *depthWidth /*out*/, size_t *depthHeight /*out*/);
101 
102 
103     // Dynamic depth processing
104     status_t encodeGrayscaleJpeg(size_t width, size_t height, uint8_t *in, void *out,
105             const size_t maxOutSize, uint8_t jpegQuality, size_t &actualSize);
106     std::unique_ptr<DepthMap> processDepthMapFrame(const CpuConsumer::LockedBuffer &depthMapBuffer,
107             size_t maxJpegSize, uint8_t jpegQuality,
108             std::vector<std::unique_ptr<Item>>* items /*out*/);
109     std::unique_ptr<ImagingModel> getImagingModel();
110     status_t processInputFrame(nsecs_t ts, const InputFrame &inputFrame);
111 
112     // Buffer/Results handling
113     void compilePendingInputLocked();
114     void releaseInputFrameLocked(InputFrame *inputFrame /*out*/);
115     void releaseInputFramesLocked(int64_t currentTs);
116 
117     // Find first complete and valid frame with smallest timestamp
118     bool getNextReadyInputLocked(int64_t *currentTs /*inout*/);
119 
120     // Find next failing frame number with smallest timestamp and return respective frame number
121     int64_t getNextFailingInputLocked(int64_t *currentTs /*inout*/);
122 
123     static const nsecs_t kWaitDuration = 10000000; // 10 ms
124     static const auto kDepthMapPixelFormat = HAL_PIXEL_FORMAT_Y16;
125     static const auto kDepthMapDataSpace = HAL_DATASPACE_DEPTH;
126     static const auto kJpegDataSpace = HAL_DATASPACE_V0_JFIF;
127 
128     int                  mBlobStreamId, mBlobSurfaceId, mDepthStreamId, mDepthSurfaceId;
129     size_t               mBlobWidth, mBlobHeight;
130     sp<CpuConsumer>      mBlobConsumer, mDepthConsumer;
131     bool                 mDepthBufferAcquired, mBlobBufferAcquired;
132     sp<Surface>          mDepthSurface, mBlobSurface, mOutputSurface;
133     sp<ProducerListener> mProducerListener;
134 
135     ssize_t              mMaxJpegBufferSize;
136     ssize_t              mUHRMaxJpegBufferSize;
137 
138     camera3::Size        mDefaultMaxJpegSize;
139     camera3::Size        mUHRMaxJpegSize;
140 
141     std::vector<std::tuple<size_t, size_t>> mSupportedDepthSizes;
142     std::vector<std::tuple<size_t, size_t>> mSupportedDepthSizesMaximumResolution;
143     std::vector<float>   mIntrinsicCalibration, mLensDistortion;
144     bool                 mIsLogicalCamera;
145 
146     // Keep all incoming Depth buffer timestamps pending further processing.
147     std::vector<int64_t> mInputDepthBuffers;
148 
149     // Keep all incoming Jpeg/Blob buffer timestamps pending further processing.
150     std::vector<int64_t> mInputJpegBuffers;
151 
152     // Map of all input frames pending further processing.
153     std::unordered_map<int64_t, InputFrame> mPendingInputFrames;
154 };
155 
156 }; //namespace camera3
157 }; //namespace android
158 
159 #endif
160