| /* |
| * Copyright (C) 2021 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. |
| */ |
| |
| #include <aaudio/AAudio.h> |
| #include <aaudio/AAudioTesting.h> |
| #include <android/media/AudioMMapPolicy.h> |
| #include <cutils/properties.h> |
| |
| #include "PropertyUtils.h" |
| |
| namespace android { |
| |
| std::string getMmapPolicyProperty(media::AudioMMapPolicyType policyType) { |
| switch (policyType) { |
| case media::AudioMMapPolicyType::DEFAULT: |
| return "aaudio.mmap_policy"; |
| case media::AudioMMapPolicyType::EXCLUSIVE: |
| return "aaudio.mmap_exclusive_policy"; |
| default: |
| return ""; |
| } |
| } |
| |
| int getDefaultPolicyFromType(media::AudioMMapPolicyType policyType) { |
| switch (policyType) { |
| case media::AudioMMapPolicyType::EXCLUSIVE: |
| return AAUDIO_UNSPECIFIED; |
| case media::AudioMMapPolicyType::DEFAULT: |
| default: |
| return AAUDIO_POLICY_NEVER; |
| } |
| } |
| |
| media::AudioMMapPolicy legacy2aidl_aaudio_policy_t_AudioMMapPolicy(aaudio_policy_t legacy) { |
| switch (legacy) { |
| case AAUDIO_POLICY_NEVER: |
| return media::AudioMMapPolicy::NEVER; |
| case AAUDIO_POLICY_AUTO: |
| return media::AudioMMapPolicy::AUTO; |
| case AAUDIO_POLICY_ALWAYS: |
| return media::AudioMMapPolicy::ALWAYS; |
| case AAUDIO_UNSPECIFIED: |
| return media::AudioMMapPolicy::UNSPECIFIED; |
| default: |
| ALOGE("%s unknown aaudio policy: %d", __func__, legacy); |
| return media::AudioMMapPolicy::UNSPECIFIED; |
| } |
| } |
| |
| status_t getMmapPolicyInfosFromSystemProperty( |
| media::AudioMMapPolicyType policyType, |
| std::vector<media::AudioMMapPolicyInfo> *policyInfos) { |
| media::AudioMMapPolicyInfo policyInfo; |
| const std::string propertyStr = getMmapPolicyProperty(policyType); |
| if (propertyStr.empty()) { |
| return BAD_VALUE; |
| } |
| policyInfo.mmapPolicy = legacy2aidl_aaudio_policy_t_AudioMMapPolicy( |
| property_get_int32(propertyStr.c_str(), getDefaultPolicyFromType(policyType))); |
| policyInfos->push_back(policyInfo); |
| return NO_ERROR; |
| } |
| |
| } // namespace android |