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 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 50 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
