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      1 /*
      2  * Copyright (C) 2013 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_HARDWARE_PHOTOGRAPHY_ICAMERADEVICEUSER_H
     18 #define ANDROID_HARDWARE_PHOTOGRAPHY_ICAMERADEVICEUSER_H
     19 
     20 #include <binder/IInterface.h>
     21 #include <binder/Parcel.h>
     22 
     23 struct camera_metadata;
     24 
     25 namespace android {
     26 
     27 class ICameraDeviceUserClient;
     28 class IGraphicBufferProducer;
     29 class Surface;
     30 class CaptureRequest;
     31 class CameraMetadata;
     32 
     33 class ICameraDeviceUser : public IInterface
     34 {
     35     /**
     36      * Keep up-to-date with ICameraDeviceUser.aidl in frameworks/base
     37      */
     38 public:
     39     DECLARE_META_INTERFACE(CameraDeviceUser);
     40 
     41     virtual void            disconnect() = 0;
     42 
     43     /**
     44      * Request Handling
     45      **/
     46 
     47     virtual int             submitRequest(sp<CaptureRequest> request,
     48                                           bool streaming = false) = 0;
     49     virtual status_t        cancelRequest(int requestId) = 0;
     50 
     51     virtual status_t        deleteStream(int streamId) = 0;
     52     virtual status_t        createStream(
     53             int width, int height, int format,
     54             const sp<IGraphicBufferProducer>& bufferProducer) = 0;
     55 
     56     // Create a request object from a template.
     57     virtual status_t        createDefaultRequest(int templateId,
     58                                                  /*out*/
     59                                                  CameraMetadata* request) = 0;
     60     // Get static camera metadata
     61     virtual status_t        getCameraInfo(/*out*/
     62                                           CameraMetadata* info) = 0;
     63 
     64     // Wait until all the submitted requests have finished processing
     65     virtual status_t        waitUntilIdle() =  0;
     66 
     67     // Flush all pending and in-progress work as quickly as possible.
     68     virtual status_t        flush() = 0;
     69 };
     70 
     71 // ----------------------------------------------------------------------------
     72 
     73 class BnCameraDeviceUser: public BnInterface<ICameraDeviceUser>
     74 {
     75 public:
     76     virtual status_t    onTransact( uint32_t code,
     77                                     const Parcel& data,
     78                                     Parcel* reply,
     79                                     uint32_t flags = 0);
     80 };
     81 
     82 }; // namespace android
     83 
     84 #endif
     85