1 /*
2 **
3 ** Copyright 2015-2018, 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 //#define LOG_NDEBUG 0
20 
21 #include <utils/Log.h>
22 
23 #include <camera/camera2/OutputConfiguration.h>
24 #include <binder/Parcel.h>
25 #include <gui/view/Surface.h>
26 #include <utils/String8.h>
27 
28 namespace android {
29 
30 
31 const int OutputConfiguration::INVALID_ROTATION = -1;
32 const int OutputConfiguration::INVALID_SET_ID = -1;
33 
34 const std::vector<sp<IGraphicBufferProducer>>&
getGraphicBufferProducers() const35         OutputConfiguration::getGraphicBufferProducers() const {
36     return mGbps;
37 }
38 
getRotation() const39 int OutputConfiguration::getRotation() const {
40     return mRotation;
41 }
42 
getSurfaceSetID() const43 int OutputConfiguration::getSurfaceSetID() const {
44     return mSurfaceSetID;
45 }
46 
getSurfaceType() const47 int OutputConfiguration::getSurfaceType() const {
48     return mSurfaceType;
49 }
50 
getWidth() const51 int OutputConfiguration::getWidth() const {
52     return mWidth;
53 }
54 
getHeight() const55 int OutputConfiguration::getHeight() const {
56     return mHeight;
57 }
58 
isDeferred() const59 bool OutputConfiguration::isDeferred() const {
60     return mIsDeferred;
61 }
62 
isShared() const63 bool OutputConfiguration::isShared() const {
64     return mIsShared;
65 }
66 
getPhysicalCameraId() const67 String16 OutputConfiguration::getPhysicalCameraId() const {
68     return mPhysicalCameraId;
69 }
70 
OutputConfiguration()71 OutputConfiguration::OutputConfiguration() :
72         mRotation(INVALID_ROTATION),
73         mSurfaceSetID(INVALID_SET_ID),
74         mSurfaceType(SURFACE_TYPE_UNKNOWN),
75         mWidth(0),
76         mHeight(0),
77         mIsDeferred(false),
78         mIsShared(false) {
79 }
80 
OutputConfiguration(const android::Parcel & parcel)81 OutputConfiguration::OutputConfiguration(const android::Parcel& parcel) :
82         mRotation(INVALID_ROTATION),
83         mSurfaceSetID(INVALID_SET_ID) {
84     readFromParcel(&parcel);
85 }
86 
readFromParcel(const android::Parcel * parcel)87 status_t OutputConfiguration::readFromParcel(const android::Parcel* parcel) {
88     status_t err = OK;
89     int rotation = 0;
90 
91     if (parcel == nullptr) return BAD_VALUE;
92 
93     if ((err = parcel->readInt32(&rotation)) != OK) {
94         ALOGE("%s: Failed to read rotation from parcel", __FUNCTION__);
95         return err;
96     }
97 
98     int setID = INVALID_SET_ID;
99     if ((err = parcel->readInt32(&setID)) != OK) {
100         ALOGE("%s: Failed to read surface set ID from parcel", __FUNCTION__);
101         return err;
102     }
103 
104     int surfaceType = SURFACE_TYPE_UNKNOWN;
105     if ((err = parcel->readInt32(&surfaceType)) != OK) {
106         ALOGE("%s: Failed to read surface type from parcel", __FUNCTION__);
107         return err;
108     }
109 
110     int width = 0;
111     if ((err = parcel->readInt32(&width)) != OK) {
112         ALOGE("%s: Failed to read surface width from parcel", __FUNCTION__);
113         return err;
114     }
115 
116     int height = 0;
117     if ((err = parcel->readInt32(&height)) != OK) {
118         ALOGE("%s: Failed to read surface height from parcel", __FUNCTION__);
119         return err;
120     }
121 
122     int isDeferred = 0;
123     if ((err = parcel->readInt32(&isDeferred)) != OK) {
124         ALOGE("%s: Failed to read surface isDeferred flag from parcel", __FUNCTION__);
125         return err;
126     }
127 
128     int isShared = 0;
129     if ((err = parcel->readInt32(&isShared)) != OK) {
130         ALOGE("%s: Failed to read surface isShared flag from parcel", __FUNCTION__);
131         return err;
132     }
133 
134     if (isDeferred && surfaceType != SURFACE_TYPE_SURFACE_VIEW &&
135             surfaceType != SURFACE_TYPE_SURFACE_TEXTURE) {
136         ALOGE("%s: Invalid surface type for deferred configuration", __FUNCTION__);
137         return BAD_VALUE;
138     }
139 
140     std::vector<view::Surface> surfaceShims;
141     if ((err = parcel->readParcelableVector(&surfaceShims)) != OK) {
142         ALOGE("%s: Failed to read surface(s) from parcel", __FUNCTION__);
143         return err;
144     }
145 
146     parcel->readString16(&mPhysicalCameraId);
147 
148     mRotation = rotation;
149     mSurfaceSetID = setID;
150     mSurfaceType = surfaceType;
151     mWidth = width;
152     mHeight = height;
153     mIsDeferred = isDeferred != 0;
154     mIsShared = isShared != 0;
155     for (auto& surface : surfaceShims) {
156         ALOGV("%s: OutputConfiguration: %p, name %s", __FUNCTION__,
157                 surface.graphicBufferProducer.get(),
158                 String8(surface.name).string());
159         mGbps.push_back(surface.graphicBufferProducer);
160     }
161 
162     ALOGV("%s: OutputConfiguration: rotation = %d, setId = %d, surfaceType = %d,"
163           " physicalCameraId = %s", __FUNCTION__, mRotation, mSurfaceSetID,
164           mSurfaceType, String8(mPhysicalCameraId).string());
165 
166     return err;
167 }
168 
OutputConfiguration(sp<IGraphicBufferProducer> & gbp,int rotation,int surfaceSetID,bool isShared)169 OutputConfiguration::OutputConfiguration(sp<IGraphicBufferProducer>& gbp, int rotation,
170         int surfaceSetID, bool isShared) {
171     mGbps.push_back(gbp);
172     mRotation = rotation;
173     mSurfaceSetID = surfaceSetID;
174     mIsDeferred = false;
175     mIsShared = isShared;
176 }
177 
writeToParcel(android::Parcel * parcel) const178 status_t OutputConfiguration::writeToParcel(android::Parcel* parcel) const {
179 
180     if (parcel == nullptr) return BAD_VALUE;
181     status_t err = OK;
182 
183     err = parcel->writeInt32(mRotation);
184     if (err != OK) return err;
185 
186     err = parcel->writeInt32(mSurfaceSetID);
187     if (err != OK) return err;
188 
189     err = parcel->writeInt32(mSurfaceType);
190     if (err != OK) return err;
191 
192     err = parcel->writeInt32(mWidth);
193     if (err != OK) return err;
194 
195     err = parcel->writeInt32(mHeight);
196     if (err != OK) return err;
197 
198     err = parcel->writeInt32(mIsDeferred ? 1 : 0);
199     if (err != OK) return err;
200 
201     err = parcel->writeInt32(mIsShared ? 1 : 0);
202     if (err != OK) return err;
203 
204     std::vector<view::Surface> surfaceShims;
205     for (auto& gbp : mGbps) {
206         view::Surface surfaceShim;
207         surfaceShim.name = String16("unknown_name"); // name of surface
208         surfaceShim.graphicBufferProducer = gbp;
209         surfaceShims.push_back(surfaceShim);
210     }
211     err = parcel->writeParcelableVector(surfaceShims);
212     if (err != OK) return err;
213 
214     err = parcel->writeString16(mPhysicalCameraId);
215     if (err != OK) return err;
216 
217     return OK;
218 }
219 
gbpsEqual(const OutputConfiguration & other) const220 bool OutputConfiguration::gbpsEqual(const OutputConfiguration& other) const {
221     const std::vector<sp<IGraphicBufferProducer> >& otherGbps =
222             other.getGraphicBufferProducers();
223 
224     if (mGbps.size() != otherGbps.size()) {
225         return false;
226     }
227 
228     for (size_t i = 0; i < mGbps.size(); i++) {
229         if (mGbps[i] != otherGbps[i]) {
230             return false;
231         }
232     }
233 
234     return true;
235 }
236 
gbpsLessThan(const OutputConfiguration & other) const237 bool OutputConfiguration::gbpsLessThan(const OutputConfiguration& other) const {
238     const std::vector<sp<IGraphicBufferProducer> >& otherGbps =
239             other.getGraphicBufferProducers();
240 
241     if (mGbps.size() !=  otherGbps.size()) {
242         return mGbps.size() < otherGbps.size();
243     }
244 
245     for (size_t i = 0; i < mGbps.size(); i++) {
246         if (mGbps[i] != otherGbps[i]) {
247             return mGbps[i] < otherGbps[i];
248         }
249     }
250 
251     return false;
252 }
253 }; // namespace android
254