1 /*
2  * Copyright (C) 2018 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_TAG "AudioAttributes"
18 //#define LOG_NDEBUG 0
19 #include <utils/Log.h>
20 
21 #include <binder/Parcel.h>
22 
23 #include <media/AudioAttributes.h>
24 
25 namespace android {
26 
readFromParcel(const Parcel * parcel)27 status_t AudioAttributes::readFromParcel(const Parcel *parcel)
28 {
29     status_t ret = NO_ERROR;
30     mAttributes.content_type = static_cast<audio_content_type_t>(parcel->readInt32());
31     mAttributes.usage = static_cast<audio_usage_t>(parcel->readInt32());
32     mAttributes.source = static_cast<audio_source_t>(parcel->readInt32());
33     mAttributes.flags = static_cast<audio_flags_mask_t>(parcel->readInt32());
34     const bool hasFlattenedTag = (parcel->readInt32() == 1);
35     if (hasFlattenedTag) {
36         std::string tags;
37         ret = parcel->readUtf8FromUtf16(&tags);
38         if (ret != NO_ERROR) {
39             return ret;
40         }
41         std::strncpy(mAttributes.tags, tags.c_str(), AUDIO_ATTRIBUTES_TAGS_MAX_SIZE - 1);
42     } else {
43         strcpy(mAttributes.tags, "");
44     }
45     mStreamType = static_cast<audio_stream_type_t>(parcel->readInt32());
46     mGroupId = static_cast<volume_group_t>(parcel->readUint32());
47     return NO_ERROR;
48 }
49 
writeToParcel(Parcel * parcel) const50 status_t AudioAttributes::writeToParcel(Parcel *parcel) const
51 {
52     parcel->writeInt32(static_cast<int32_t>(mAttributes.content_type));
53     parcel->writeInt32(static_cast<int32_t>(mAttributes.usage));
54     parcel->writeInt32(static_cast<int32_t>(mAttributes.source));
55     parcel->writeInt32(static_cast<int32_t>(mAttributes.flags));
56     if (strlen(mAttributes.tags) == 0) {
57         parcel->writeInt32(0);
58     } else {
59         parcel->writeInt32(1);
60         parcel->writeUtf8AsUtf16(mAttributes.tags);
61     }
62     parcel->writeInt32(static_cast<int32_t>(mStreamType));
63     parcel->writeUint32(static_cast<uint32_t>(mGroupId));
64     return NO_ERROR;
65 }
66 
67 } // namespace android
68