| /* |
| * Copyright (C) 2023 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. |
| */ |
| |
| #pragma once |
| |
| #include <aidl/android/media/audio/common/AudioChannelLayout.h> |
| #include <aidl/android/media/audio/common/AudioFormatDescription.h> |
| |
| extern "C" { |
| #include <tinyalsa/pcm.h> |
| } |
| |
| namespace aidl::android::hardware::audio::core::usb { |
| |
| ::aidl::android::media::audio::common::AudioChannelLayout getChannelLayoutMaskFromChannelCount( |
| unsigned int channelCount, int isInput); |
| ::aidl::android::media::audio::common::AudioChannelLayout getChannelIndexMaskFromChannelCount( |
| unsigned int channelCount); |
| unsigned int getChannelCountFromChannelMask( |
| const ::aidl::android::media::audio::common::AudioChannelLayout& channelMask, bool isInput); |
| ::aidl::android::media::audio::common::AudioFormatDescription |
| legacy2aidl_pcm_format_AudioFormatDescription(enum pcm_format legacy); |
| pcm_format aidl2legacy_AudioFormatDescription_pcm_format( |
| const ::aidl::android::media::audio::common::AudioFormatDescription& aidl); |
| |
| } // namespace aidl::android::hardware::audio::core::usb |