1 /*
2 **
3 ** Copyright 2015, 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_TAG "OutputConfiguration"
19 #include <utils/Log.h>
20 
21 #include <camera/camera2/OutputConfiguration.h>
22 #include <binder/Parcel.h>
23 
24 namespace android {
25 
26 
27 const int OutputConfiguration::INVALID_ROTATION = -1;
28 
29 // Read empty strings without printing a false error message.
readMaybeEmptyString16(const Parcel & parcel)30 String16 OutputConfiguration::readMaybeEmptyString16(const Parcel& parcel) {
31     size_t len;
32     const char16_t* str = parcel.readString16Inplace(&len);
33     if (str != NULL) {
34         return String16(str, len);
35     } else {
36         return String16();
37     }
38 }
39 
getGraphicBufferProducer() const40 sp<IGraphicBufferProducer> OutputConfiguration::getGraphicBufferProducer() const {
41     return mGbp;
42 }
43 
getRotation() const44 int OutputConfiguration::getRotation() const {
45     return mRotation;
46 }
47 
OutputConfiguration(const Parcel & parcel)48 OutputConfiguration::OutputConfiguration(const Parcel& parcel) {
49     status_t err;
50     int rotation = 0;
51     if ((err = parcel.readInt32(&rotation)) != OK) {
52         ALOGE("%s: Failed to read rotation from parcel", __FUNCTION__);
53         mGbp = NULL;
54         mRotation = INVALID_ROTATION;
55         return;
56     }
57 
58     String16 name = readMaybeEmptyString16(parcel);
59     const sp<IGraphicBufferProducer>& gbp =
60             interface_cast<IGraphicBufferProducer>(parcel.readStrongBinder());
61     mGbp = gbp;
62     mRotation = rotation;
63 
64     ALOGV("%s: OutputConfiguration: bp = %p, name = %s", __FUNCTION__,
65           gbp.get(), String8(name).string());
66 }
67 
OutputConfiguration(sp<IGraphicBufferProducer> & gbp,int rotation)68 OutputConfiguration::OutputConfiguration(sp<IGraphicBufferProducer>& gbp, int rotation) {
69     mGbp = gbp;
70     mRotation = rotation;
71 }
72 
writeToParcel(Parcel & parcel) const73 status_t OutputConfiguration::writeToParcel(Parcel& parcel) const {
74 
75     parcel.writeInt32(mRotation);
76     parcel.writeString16(String16("unknown_name")); // name of surface
77     sp<IBinder> b(IInterface::asBinder(mGbp));
78     parcel.writeStrongBinder(b);
79 
80     return OK;
81 }
82 
83 }; // namespace android
84 
85