1 /* 2 * Copyright (C) 2020 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 #pragma once 18 #include <array> 19 #include PATH(android/hardware/audio/common/COMMON_TYPES_FILE_VERSION/types.h) 20 #include PATH(android/hardware/audio/CORE_TYPES_FILE_VERSION/types.h) 21 #include <utils/Timers.h> 22 #include <cutils/sched_policy.h> 23 24 namespace android { 25 namespace hardware { 26 namespace audio { 27 namespace CPP_VERSION { 28 namespace implementation { 29 namespace util { 30 31 using ::android::hardware::hidl_bitfield; 32 using ::android::hardware::hidl_string; 33 using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::AudioFormat; 34 using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::AudioChannelMask; 35 using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::AudioConfig; 36 using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::AudioPortConfig; 37 using ::android::hardware::audio::CORE_TYPES_CPP_VERSION::MicrophoneInfo; 38 using ::android::hardware::audio::CORE_TYPES_CPP_VERSION::TimeSpec; 39 40 MicrophoneInfo getMicrophoneInfo(); 41 42 size_t countChannels(const AudioChannelMask &mask); 43 size_t getBytesPerSample(const AudioFormat &format); 44 45 bool checkAudioConfig(const AudioConfig &cfg); 46 bool checkAudioConfig(bool isOut, 47 size_t duration_ms, 48 size_t extraAlignment, 49 const AudioConfig &cfg, 50 AudioConfig &suggested); 51 52 bool checkAudioPortConfig(const AudioPortConfig& cfg); 53 54 TimeSpec nsecs2TimeSpec(nsecs_t); 55 timespec2Nsecs(const TimeSpec & ts)56inline constexpr nsecs_t timespec2Nsecs(const TimeSpec &ts) { 57 return s2ns(ts.tvSec) + ts.tvNSec; 58 } 59 60 bool setThreadPriority(SchedPolicy policy, int prio); 61 62 } // namespace util 63 } // namespace implementation 64 } // namespace CPP_VERSION 65 } // namespace audio 66 } // namespace hardware 67 } // namespace android 68