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      1 /*
      2  * Copyright (C) 2015 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 //#define LOG_NDEBUG 0
     18 #define LOG_TAG "NdkCameraDevice"
     19 #define ATRACE_TAG ATRACE_TAG_CAMERA
     20 
     21 #include <utils/Log.h>
     22 #include <utils/Trace.h>
     23 
     24 #include <NdkCameraDevice.h>
     25 #include "impl/ACameraCaptureSession.h"
     26 
     27 using namespace android;
     28 
     29 EXPORT
     30 camera_status_t ACameraDevice_close(ACameraDevice* device) {
     31     ATRACE_CALL();
     32     if (device == nullptr) {
     33         ALOGE("%s: invalid argument! device is null", __FUNCTION__);
     34         return ACAMERA_ERROR_INVALID_PARAMETER;
     35     }
     36     delete device;
     37     return ACAMERA_OK;
     38 }
     39 
     40 EXPORT
     41 const char* ACameraDevice_getId(const ACameraDevice* device) {
     42     ATRACE_CALL();
     43     if (device == nullptr) {
     44         ALOGE("%s: invalid argument! device is null", __FUNCTION__);
     45         return nullptr;
     46     }
     47     return device->getId();
     48 }
     49 
     50 EXPORT
     51 camera_status_t ACameraDevice_createCaptureRequest(
     52         const ACameraDevice* device,
     53         ACameraDevice_request_template templateId,
     54         ACaptureRequest** request) {
     55     ATRACE_CALL();
     56     if (device == nullptr || request == nullptr) {
     57         ALOGE("%s: invalid argument! device %p request %p",
     58                 __FUNCTION__, device, request);
     59         return ACAMERA_ERROR_INVALID_PARAMETER;
     60     }
     61     switch (templateId) {
     62         case TEMPLATE_PREVIEW:
     63         case TEMPLATE_STILL_CAPTURE:
     64         case TEMPLATE_RECORD:
     65         case TEMPLATE_VIDEO_SNAPSHOT:
     66         case TEMPLATE_ZERO_SHUTTER_LAG:
     67         case TEMPLATE_MANUAL:
     68             break;
     69         default:
     70             ALOGE("%s: unknown template ID %d", __FUNCTION__, templateId);
     71             return ACAMERA_ERROR_INVALID_PARAMETER;
     72     }
     73     return device->createCaptureRequest(templateId, request);
     74 }
     75 
     76 EXPORT
     77 camera_status_t ACaptureSessionOutputContainer_create(
     78         /*out*/ACaptureSessionOutputContainer** out) {
     79     ATRACE_CALL();
     80     if (out == nullptr) {
     81         ALOGE("%s: Error: out null", __FUNCTION__);
     82         return ACAMERA_ERROR_INVALID_PARAMETER;
     83     }
     84     *out = new ACaptureSessionOutputContainer();
     85     return ACAMERA_OK;
     86 }
     87 
     88 EXPORT
     89 void ACaptureSessionOutputContainer_free(ACaptureSessionOutputContainer* container) {
     90     ATRACE_CALL();
     91     if (container != nullptr) {
     92         delete container;
     93     }
     94     return;
     95 }
     96 
     97 EXPORT
     98 camera_status_t ACaptureSessionOutput_create(
     99         ANativeWindow* window, /*out*/ACaptureSessionOutput** out) {
    100     ATRACE_CALL();
    101     if (window == nullptr || out == nullptr) {
    102         ALOGE("%s: Error: bad argument. window %p, out %p",
    103                 __FUNCTION__, window, out);
    104         return ACAMERA_ERROR_INVALID_PARAMETER;
    105     }
    106     *out = new ACaptureSessionOutput(window);
    107     return ACAMERA_OK;
    108 }
    109 
    110 EXPORT
    111 void ACaptureSessionOutput_free(ACaptureSessionOutput* output) {
    112     ATRACE_CALL();
    113     if (output != nullptr) {
    114         delete output;
    115     }
    116     return;
    117 }
    118 
    119 EXPORT
    120 camera_status_t ACaptureSessionOutputContainer_add(
    121         ACaptureSessionOutputContainer* container, const ACaptureSessionOutput* output) {
    122     ATRACE_CALL();
    123     if (container == nullptr || output == nullptr) {
    124         ALOGE("%s: Error: invalid input: container %p, output %p",
    125                 __FUNCTION__, container, output);
    126         return ACAMERA_ERROR_INVALID_PARAMETER;
    127     }
    128     auto pair = container->mOutputs.insert(*output);
    129     if (!pair.second) {
    130         ALOGW("%s: output %p already exists!", __FUNCTION__, output);
    131     }
    132     return ACAMERA_OK;
    133 }
    134 
    135 EXPORT
    136 camera_status_t ACaptureSessionOutputContainer_remove(
    137         ACaptureSessionOutputContainer* container, const ACaptureSessionOutput* output) {
    138     ATRACE_CALL();
    139     if (container == nullptr || output == nullptr) {
    140         ALOGE("%s: Error: invalid input: container %p, output %p",
    141                 __FUNCTION__, container, output);
    142         return ACAMERA_ERROR_INVALID_PARAMETER;
    143     }
    144     container->mOutputs.erase(*output);
    145     return ACAMERA_OK;
    146 }
    147 
    148 EXPORT
    149 camera_status_t ACameraDevice_createCaptureSession(
    150         ACameraDevice* device,
    151         const ACaptureSessionOutputContainer*       outputs,
    152         const ACameraCaptureSession_stateCallbacks* callbacks,
    153         /*out*/ACameraCaptureSession** session) {
    154     ATRACE_CALL();
    155     if (device == nullptr || outputs == nullptr || callbacks == nullptr || session == nullptr) {
    156         ALOGE("%s: Error: invalid input: device %p, outputs %p, callbacks %p, session %p",
    157                 __FUNCTION__, device, outputs, callbacks, session);
    158         return ACAMERA_ERROR_INVALID_PARAMETER;
    159     }
    160     return device->createCaptureSession(outputs, callbacks, session);
    161 }
    162