| /* |
| * Copyright 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #define LOG_TAG "BTAudioHalUtils" |
| |
| #include "utils.h" |
| |
| #include <android-base/logging.h> |
| #include <android-base/strings.h> |
| #include <log/log.h> |
| #include <stdlib.h> |
| #include <sstream> |
| #include <vector> |
| |
| namespace android { |
| namespace bluetooth { |
| namespace audio { |
| namespace utils { |
| |
| std::unordered_map<std::string, std::string> ParseAudioParams( |
| const std::string& params) { |
| std::vector<std::string> segments = android::base::Split(params, ";"); |
| std::unordered_map<std::string, std::string> params_map; |
| for (const auto& segment : segments) { |
| if (segment.length() == 0) { |
| continue; |
| } |
| std::vector<std::string> kv = android::base::Split(segment, "="); |
| if (kv[0].empty()) { |
| LOG(WARNING) << __func__ << ": Invalid audio parameter " << segment; |
| continue; |
| } |
| params_map[kv[0]] = (kv.size() > 1 ? kv[1] : ""); |
| } |
| return params_map; |
| } |
| |
| std::string GetAudioParamString( |
| std::unordered_map<std::string, std::string>& params_map) { |
| std::ostringstream sout; |
| for (const auto& ptr : params_map) { |
| sout << "key: '" << ptr.first << "' value: '" << ptr.second << "'\n"; |
| } |
| return sout.str(); |
| } |
| |
| size_t FrameCount(uint64_t microseconds, uint32_t sample_rate) { |
| return (microseconds * sample_rate) / 1000000; |
| } |
| |
| } // namespace utils |
| } // namespace audio |
| } // namespace bluetooth |
| } // namespace android |