Home | History | Annotate | Download | only in camera2 
      1 /*
      2 **
      3 ** Copyright 2013, The Android Open Source Project
      4 **
      5 ** Licensed under the Apache License, Version 2.0 (the "License");
      6 ** you may not use this file except in compliance with the License.
      7 ** You may obtain a copy of the License at
      8 **
      9 **     http://www.apache.org/licenses/LICENSE-2.0
     10 **
     11 ** Unless required by applicable law or agreed to in writing, software
     12 ** distributed under the License is distributed on an "AS IS" BASIS,
     13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14 ** See the License for the specific language governing permissions and
     15 ** limitations under the License.
     16 */
     17 
     18 // #define LOG_NDEBUG 0
     19 #define LOG_TAG "CameraRequest"
     20 #include <utils/Log.h>
     21 
     22 #include <camera/camera2/CaptureRequest.h>
     23 
     24 #include <binder/Parcel.h>
     25 #include <gui/Surface.h>
     26 
     27 namespace android {
     28 namespace hardware {
     29 namespace camera2 {
     30 
     31 status_t CaptureRequest::readFromParcel(const Parcel* parcel) {
     32     if (parcel == NULL) {
     33         ALOGE("%s: Null parcel", __FUNCTION__);
     34         return BAD_VALUE;
     35     }
     36 
     37     mMetadata.clear();
     38     mSurfaceList.clear();
     39 
     40     status_t err;
     41 
     42     if ((err = mMetadata.readFromParcel(parcel)) != OK) {
     43         ALOGE("%s: Failed to read metadata from parcel", __FUNCTION__);
     44         return err;
     45     }
     46     ALOGV("%s: Read metadata from parcel", __FUNCTION__);
     47 
     48     int32_t size;
     49     if ((err = parcel->readInt32(&size)) != OK) {
     50         ALOGE("%s: Failed to read surface list size from parcel", __FUNCTION__);
     51         return err;
     52     }
     53     ALOGV("%s: Read surface list size = %d", __FUNCTION__, size);
     54 
     55     // Do not distinguish null arrays from 0-sized arrays.
     56     for (int i = 0; i < size; ++i) {
     57         // Parcel.writeParcelableArray
     58         size_t len;
     59         const char16_t* className = parcel->readString16Inplace(&len);
     60         ALOGV("%s: Read surface class = %s", __FUNCTION__,
     61               className != NULL ? String8(className).string() : "<null>");
     62 
     63         if (className == NULL) {
     64             continue;
     65         }
     66 
     67         // Surface.writeToParcel
     68         const char16_t* name = parcel->readString16Inplace(&len);
     69         ALOGV("%s: Read surface name = %s", __FUNCTION__,
     70             name != NULL ? String8(name).string() : "<null>");
     71         sp<IBinder> binder(parcel->readStrongBinder());
     72         ALOGV("%s: Read surface binder = %p",
     73               __FUNCTION__, binder.get());
     74 
     75         sp<Surface> surface;
     76 
     77         if (binder != NULL) {
     78             sp<IGraphicBufferProducer> gbp =
     79                     interface_cast<IGraphicBufferProducer>(binder);
     80             surface = new Surface(gbp);
     81         }
     82 
     83         mSurfaceList.push_back(surface);
     84     }
     85 
     86     int isReprocess = 0;
     87     if ((err = parcel->readInt32(&isReprocess)) != OK) {
     88         ALOGE("%s: Failed to read reprocessing from parcel", __FUNCTION__);
     89         return err;
     90     }
     91     mIsReprocess = (isReprocess != 0);
     92 
     93     return OK;
     94 }
     95 
     96 status_t CaptureRequest::writeToParcel(Parcel* parcel) const {
     97     if (parcel == NULL) {
     98         ALOGE("%s: Null parcel", __FUNCTION__);
     99         return BAD_VALUE;
    100     }
    101 
    102     status_t err;
    103 
    104     if ((err = mMetadata.writeToParcel(parcel)) != OK) {
    105         return err;
    106     }
    107 
    108     int32_t size = static_cast<int32_t>(mSurfaceList.size());
    109 
    110     // Send 0-sized arrays when it's empty. Do not send null arrays.
    111     parcel->writeInt32(size);
    112 
    113     for (int32_t i = 0; i < size; ++i) {
    114         sp<Surface> surface = mSurfaceList[i];
    115 
    116         sp<IBinder> binder;
    117         if (surface != 0) {
    118             binder = IInterface::asBinder(surface->getIGraphicBufferProducer());
    119         }
    120 
    121         // not sure if readParcelableArray does this, hard to tell from source
    122         parcel->writeString16(String16("android.view.Surface"));
    123 
    124         // Surface.writeToParcel
    125         parcel->writeString16(String16("unknown_name"));
    126         // Surface.nativeWriteToParcel
    127         parcel->writeStrongBinder(binder);
    128     }
    129 
    130     parcel->writeInt32(mIsReprocess ? 1 : 0);
    131 
    132     return OK;
    133 }
    134 
    135 } // namespace camera2
    136 } // namespace hardware
    137 } // namespace android
    138