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 #include <gui/view/Surface.h>
27
28 namespace android {
29 namespace hardware {
30 namespace camera2 {
31
32 // These must be in the .cpp (to avoid inlining)
33 CaptureRequest::CaptureRequest() = default;
34 CaptureRequest::~CaptureRequest() = default;
35 CaptureRequest::CaptureRequest(const CaptureRequest& rhs) = default;
36 CaptureRequest::CaptureRequest(CaptureRequest&& rhs) noexcept = default;
37
38
readFromParcel(const android::Parcel * parcel)39 status_t CaptureRequest::readFromParcel(const android::Parcel* parcel) {
40 if (parcel == NULL) {
41 ALOGE("%s: Null parcel", __FUNCTION__);
42 return BAD_VALUE;
43 }
44
45 mMetadata.clear();
46 mSurfaceList.clear();
47
48 status_t err = OK;
49
50 if ((err = mMetadata.readFromParcel(parcel)) != OK) {
51 ALOGE("%s: Failed to read metadata from parcel", __FUNCTION__);
52 return err;
53 }
54 ALOGV("%s: Read metadata from parcel", __FUNCTION__);
55
56 int32_t size;
57 if ((err = parcel->readInt32(&size)) != OK) {
58 ALOGE("%s: Failed to read surface list size from parcel", __FUNCTION__);
59 return err;
60 }
61 ALOGV("%s: Read surface list size = %d", __FUNCTION__, size);
62
63 // Do not distinguish null arrays from 0-sized arrays.
64 for (int i = 0; i < size; ++i) {
65 // Parcel.writeParcelableArray
66 size_t len;
67 const char16_t* className = parcel->readString16Inplace(&len);
68 ALOGV("%s: Read surface class = %s", __FUNCTION__,
69 className != NULL ? String8(className).string() : "<null>");
70
71 if (className == NULL) {
72 continue;
73 }
74
75 // Surface.writeToParcel
76 view::Surface surfaceShim;
77 if ((err = surfaceShim.readFromParcel(parcel)) != OK) {
78 ALOGE("%s: Failed to read output target Surface %d from parcel: %s (%d)",
79 __FUNCTION__, i, strerror(-err), err);
80 return err;
81 }
82
83 sp<Surface> surface;
84 if (surfaceShim.graphicBufferProducer != NULL) {
85 surface = new Surface(surfaceShim.graphicBufferProducer);
86 }
87
88 mSurfaceList.push_back(surface);
89 }
90
91 int isReprocess = 0;
92 if ((err = parcel->readInt32(&isReprocess)) != OK) {
93 ALOGE("%s: Failed to read reprocessing from parcel", __FUNCTION__);
94 return err;
95 }
96 mIsReprocess = (isReprocess != 0);
97
98 return OK;
99 }
100
writeToParcel(android::Parcel * parcel) const101 status_t CaptureRequest::writeToParcel(android::Parcel* parcel) const {
102 if (parcel == NULL) {
103 ALOGE("%s: Null parcel", __FUNCTION__);
104 return BAD_VALUE;
105 }
106
107 status_t err = OK;
108
109 if ((err = mMetadata.writeToParcel(parcel)) != OK) {
110 return err;
111 }
112
113 int32_t size = static_cast<int32_t>(mSurfaceList.size());
114
115 // Send 0-sized arrays when it's empty. Do not send null arrays.
116 parcel->writeInt32(size);
117
118 for (int32_t i = 0; i < size; ++i) {
119 // not sure if readParcelableArray does this, hard to tell from source
120 parcel->writeString16(String16("android.view.Surface"));
121
122 // Surface.writeToParcel
123 view::Surface surfaceShim;
124 surfaceShim.name = String16("unknown_name");
125 surfaceShim.graphicBufferProducer = mSurfaceList[i]->getIGraphicBufferProducer();
126 if ((err = surfaceShim.writeToParcel(parcel)) != OK) {
127 ALOGE("%s: Failed to write output target Surface %d to parcel: %s (%d)",
128 __FUNCTION__, i, strerror(-err), err);
129 return err;
130 }
131 }
132
133 parcel->writeInt32(mIsReprocess ? 1 : 0);
134
135 return OK;
136 }
137
138 } // namespace camera2
139 } // namespace hardware
140 } // namespace android
141