1 /* 2 * Copyright (C) 2016 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 #ifndef AUDIO_HAL_VERSION 18 #error "AUDIO_HAL_VERSION must be set before including this file." 19 #endif 20 21 #include <memory> 22 23 #include <system/audio.h> 24 25 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioConfig; 26 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioGain; 27 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioGainConfig; 28 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioOffloadInfo; 29 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioPort; 30 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioPortConfig; 31 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::Uuid; 32 using ::android::hardware::hidl_vec; 33 34 namespace android { 35 namespace hardware { 36 namespace audio { 37 namespace common { 38 namespace AUDIO_HAL_VERSION { 39 40 class HidlUtils { 41 public: 42 static void audioConfigFromHal(const audio_config_t& halConfig, AudioConfig* config); 43 static void audioConfigToHal(const AudioConfig& config, audio_config_t* halConfig); 44 static void audioGainConfigFromHal(const struct audio_gain_config& halConfig, 45 AudioGainConfig* config); 46 static void audioGainConfigToHal(const AudioGainConfig& config, 47 struct audio_gain_config* halConfig); 48 static void audioGainFromHal(const struct audio_gain& halGain, AudioGain* gain); 49 static void audioGainToHal(const AudioGain& gain, struct audio_gain* halGain); 50 static AudioUsage audioUsageFromHal(const audio_usage_t halUsage); 51 static audio_usage_t audioUsageToHal(const AudioUsage usage); 52 static void audioOffloadInfoFromHal(const audio_offload_info_t& halOffload, 53 AudioOffloadInfo* offload); 54 static void audioOffloadInfoToHal(const AudioOffloadInfo& offload, 55 audio_offload_info_t* halOffload); 56 static void audioPortConfigFromHal(const struct audio_port_config& halConfig, 57 AudioPortConfig* config); 58 static void audioPortConfigToHal(const AudioPortConfig& config, 59 struct audio_port_config* halConfig); 60 static void audioPortConfigsFromHal(unsigned int numHalConfigs, 61 const struct audio_port_config* halConfigs, 62 hidl_vec<AudioPortConfig>* configs); 63 static std::unique_ptr<audio_port_config[]> audioPortConfigsToHal( 64 const hidl_vec<AudioPortConfig>& configs); 65 static void audioPortFromHal(const struct audio_port& halPort, AudioPort* port); 66 static void audioPortToHal(const AudioPort& port, struct audio_port* halPort); 67 static void uuidFromHal(const audio_uuid_t& halUuid, Uuid* uuid); 68 static void uuidToHal(const Uuid& uuid, audio_uuid_t* halUuid); 69 }; 70 71 } // namespace AUDIO_HAL_VERSION 72 } // namespace common 73 } // namespace audio 74 } // namespace hardware 75 } // namespace android 76
