1/*
2 * Copyright (C) 2012 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_CAMERA2CLIENT_H
18#define ANDROID_SERVERS_CAMERA_CAMERA2CLIENT_H
19
20#include "CameraService.h"
21#include "common/CameraDeviceBase.h"
22#include "common/Camera2ClientBase.h"
23#include "api1/client2/Parameters.h"
24#include "api1/client2/FrameProcessor.h"
25//#include "api1/client2/StreamingProcessor.h"
26//#include "api1/client2/JpegProcessor.h"
27//#include "api1/client2/ZslProcessor.h"
28//#include "api1/client2/CaptureSequencer.h"
29//#include "api1/client2/CallbackProcessor.h"
30
31namespace android {
32
33namespace camera2 {
34
35class StreamingProcessor;
36class JpegProcessor;
37class ZslProcessor;
38class CaptureSequencer;
39class CallbackProcessor;
40
41}
42
43class IMemory;
44/**
45 * Interface between android.hardware.Camera API and Camera HAL device for versions
46 * CAMERA_DEVICE_API_VERSION_3_0 and above.
47 */
48class Camera2Client :
49        public Camera2ClientBase<CameraService::Client>
50{
51public:
52    /**
53     * ICamera interface (see ICamera for details)
54     */
55
56    virtual binder::Status  disconnect();
57    virtual status_t        connect(const sp<hardware::ICameraClient>& client);
58    virtual status_t        lock();
59    virtual status_t        unlock();
60    virtual status_t        setPreviewTarget(
61        const sp<IGraphicBufferProducer>& bufferProducer);
62    virtual void            setPreviewCallbackFlag(int flag);
63    virtual status_t        setPreviewCallbackTarget(
64        const sp<IGraphicBufferProducer>& callbackProducer);
65
66    virtual status_t        startPreview();
67    virtual void            stopPreview();
68    virtual bool            previewEnabled();
69    virtual status_t        setVideoBufferMode(int32_t videoBufferMode);
70    virtual status_t        startRecording();
71    virtual void            stopRecording();
72    virtual bool            recordingEnabled();
73    virtual void            releaseRecordingFrame(const sp<IMemory>& mem);
74    virtual void            releaseRecordingFrameHandle(native_handle_t *handle);
75    virtual void            releaseRecordingFrameHandleBatch(
76                                    const std::vector<native_handle_t*>& handles);
77    virtual status_t        autoFocus();
78    virtual status_t        cancelAutoFocus();
79    virtual status_t        takePicture(int msgType);
80    virtual status_t        setParameters(const String8& params);
81    virtual String8         getParameters() const;
82    virtual status_t        sendCommand(int32_t cmd, int32_t arg1, int32_t arg2);
83    virtual void            notifyError(int32_t errorCode,
84                                        const CaptureResultExtras& resultExtras);
85    virtual status_t        setVideoTarget(const sp<IGraphicBufferProducer>& bufferProducer);
86
87    /**
88     * Interface used by CameraService
89     */
90
91    Camera2Client(const sp<CameraService>& cameraService,
92            const sp<hardware::ICameraClient>& cameraClient,
93            const String16& clientPackageName,
94            int cameraId,
95            int cameraFacing,
96            int clientPid,
97            uid_t clientUid,
98            int servicePid,
99            bool legacyMode);
100
101    virtual ~Camera2Client();
102
103    virtual status_t initialize(sp<CameraProviderManager> manager) override;
104
105    virtual status_t dump(int fd, const Vector<String16>& args);
106
107    virtual status_t dumpClient(int fd, const Vector<String16>& args);
108
109    /**
110     * Interface used by CameraDeviceBase
111     */
112
113    virtual void notifyAutoFocus(uint8_t newState, int triggerId);
114    virtual void notifyAutoExposure(uint8_t newState, int triggerId);
115    virtual void notifyShutter(const CaptureResultExtras& resultExtras,
116                               nsecs_t timestamp);
117
118    /**
119     * Interface used by independent components of Camera2Client.
120     */
121
122    camera2::SharedParameters& getParameters();
123
124    int getPreviewStreamId() const;
125    int getCaptureStreamId() const;
126    int getCallbackStreamId() const;
127    int getRecordingStreamId() const;
128    int getZslStreamId() const;
129
130    status_t registerFrameListener(int32_t minId, int32_t maxId,
131            const wp<camera2::FrameProcessor::FilteredListener>& listener,
132            bool sendPartials = true);
133    status_t removeFrameListener(int32_t minId, int32_t maxId,
134            const wp<camera2::FrameProcessor::FilteredListener>& listener);
135
136    status_t stopStream();
137
138    // For the slowJpegMode to create jpeg stream when precapture sequence is done
139    status_t createJpegStreamL(camera2::Parameters &params);
140
141    static size_t calculateBufferSize(int width, int height,
142            int format, int stride);
143
144    static const int32_t kPreviewRequestIdStart = 10000000;
145    static const int32_t kPreviewRequestIdEnd   = 20000000;
146
147    static const int32_t kRecordingRequestIdStart  = 20000000;
148    static const int32_t kRecordingRequestIdEnd    = 30000000;
149
150    static const int32_t kCaptureRequestIdStart = 30000000;
151    static const int32_t kCaptureRequestIdEnd   = 40000000;
152
153    // Constant strings for ATRACE logging
154    static const char* kAutofocusLabel;
155    static const char* kTakepictureLabel;
156
157    // Used with stream IDs
158    static const int NO_STREAM = -1;
159
160private:
161    /** ICamera interface-related private members */
162    typedef camera2::Parameters Parameters;
163
164    status_t setPreviewWindowL(const sp<IBinder>& binder,
165            const sp<Surface>& window);
166    status_t startPreviewL(Parameters &params, bool restart);
167    void     stopPreviewL();
168    status_t startRecordingL(Parameters &params, bool restart);
169    bool     recordingEnabledL();
170
171    // Individual commands for sendCommand()
172    status_t commandStartSmoothZoomL();
173    status_t commandStopSmoothZoomL();
174    status_t commandSetDisplayOrientationL(int degrees);
175    status_t commandEnableShutterSoundL(bool enable);
176    status_t commandPlayRecordingSoundL();
177    status_t commandStartFaceDetectionL(int type);
178    status_t commandStopFaceDetectionL(Parameters &params);
179    status_t commandEnableFocusMoveMsgL(bool enable);
180    status_t commandPingL();
181    status_t commandSetVideoBufferCountL(size_t count);
182    status_t commandSetVideoFormatL(int format, android_dataspace dataSpace);
183
184    // Current camera device configuration
185    camera2::SharedParameters mParameters;
186
187    /** Camera device-related private members */
188
189    void     setPreviewCallbackFlagL(Parameters &params, int flag);
190    status_t updateRequests(Parameters &params);
191
192    template <typename ProcessorT>
193    status_t updateProcessorStream(sp<ProcessorT> processor, Parameters params);
194    template <typename ProcessorT,
195              status_t (ProcessorT::*updateStreamF)(const Parameters &)>
196    status_t updateProcessorStream(sp<ProcessorT> processor, Parameters params);
197
198    sp<camera2::FrameProcessor> mFrameProcessor;
199
200    /* Preview/Recording related members */
201
202    sp<IBinder> mPreviewSurface;
203    sp<IBinder> mVideoSurface;
204    sp<camera2::StreamingProcessor> mStreamingProcessor;
205
206    /** Preview callback related members */
207
208    sp<camera2::CallbackProcessor> mCallbackProcessor;
209
210    /* Still image capture related members */
211
212    sp<camera2::CaptureSequencer> mCaptureSequencer;
213    sp<camera2::JpegProcessor> mJpegProcessor;
214    sp<camera2::ZslProcessor> mZslProcessor;
215
216    /** Utility members */
217    bool mLegacyMode;
218
219    // Wait until the camera device has received the latest control settings
220    status_t syncWithDevice();
221
222    // Video snapshot jpeg size overriding helper function
223    status_t overrideVideoSnapshotSize(Parameters &params);
224
225    template<typename TProviderPtr>
226    status_t initializeImpl(TProviderPtr providerPtr);
227};
228
229}; // namespace android
230
231#endif
232