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      1 /*
      2  * Copyright (C) 2011 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 /*
     18  * Contains implementation of a class EmulatedFakeCamera that encapsulates
     19  * functionality of a fake camera.
     20  */
     21 
     22 #define LOG_NDEBUG 0
     23 #define LOG_TAG "EmulatedCamera_FakeCamera"
     24 #include <cutils/log.h>
     25 #include <cutils/properties.h>
     26 #include "EmulatedFakeCamera.h"
     27 #include "EmulatedCameraFactory.h"
     28 
     29 namespace android {
     30 
     31 EmulatedFakeCamera::EmulatedFakeCamera(int cameraId,
     32                                        bool facingBack,
     33                                        struct hw_module_t* module)
     34         : EmulatedCamera(cameraId, module),
     35           mFacingBack(facingBack),
     36           mFakeCameraDevice(this)
     37 {
     38 }
     39 
     40 EmulatedFakeCamera::~EmulatedFakeCamera()
     41 {
     42 }
     43 
     44 /****************************************************************************
     45  * Public API overrides
     46  ***************************************************************************/
     47 
     48 status_t EmulatedFakeCamera::Initialize()
     49 {
     50     status_t res = mFakeCameraDevice.Initialize();
     51     if (res != NO_ERROR) {
     52         return res;
     53     }
     54 
     55     const char* facing = mFacingBack ? EmulatedCamera::FACING_BACK :
     56                                        EmulatedCamera::FACING_FRONT;
     57 
     58     mParameters.set(EmulatedCamera::FACING_KEY, facing);
     59     ALOGD("%s: Fake camera is facing %s", __FUNCTION__, facing);
     60 
     61     mParameters.set(EmulatedCamera::ORIENTATION_KEY,
     62                     gEmulatedCameraFactory.getFakeCameraOrientation());
     63 
     64     res = EmulatedCamera::Initialize();
     65     if (res != NO_ERROR) {
     66         return res;
     67     }
     68 
     69     /*
     70      * Parameters provided by the camera device.
     71      */
     72 
     73     /* 352x288 and 320x240 frame dimensions are required by the framework for
     74      * video mode preview and video recording. */
     75     mParameters.set(CameraParameters::KEY_SUPPORTED_PICTURE_SIZES,
     76                     "640x480,352x288,320x240");
     77     mParameters.set(CameraParameters::KEY_SUPPORTED_PREVIEW_SIZES,
     78                     "640x480,352x288,320x240");
     79     mParameters.setPreviewSize(640, 480);
     80     mParameters.setPictureSize(640, 480);
     81 
     82     return NO_ERROR;
     83 }
     84 
     85 EmulatedCameraDevice* EmulatedFakeCamera::getCameraDevice()
     86 {
     87     return &mFakeCameraDevice;
     88 }
     89 
     90 };  /* namespace android */
     91