blob: 2d2f0f4342b4df889226c402aa25921594aa0741 [file] [log] [blame]
jiabin253bd322023-01-25 23:57:31 +00001/*
2 * Copyright (C) 2023 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
19#include <aidl/android/media/audio/common/AudioChannelLayout.h>
20#include <aidl/android/media/audio/common/AudioFormatDescription.h>
21
22extern "C" {
23#include <tinyalsa/pcm.h>
24}
25
26namespace aidl::android::hardware::audio::core::usb {
27
28::aidl::android::media::audio::common::AudioChannelLayout getChannelLayoutMaskFromChannelCount(
29 unsigned int channelCount, int isInput);
30::aidl::android::media::audio::common::AudioChannelLayout getChannelIndexMaskFromChannelCount(
31 unsigned int channelCount);
32unsigned int getChannelCountFromChannelMask(
33 const ::aidl::android::media::audio::common::AudioChannelLayout& channelMask, bool isInput);
34::aidl::android::media::audio::common::AudioFormatDescription
35legacy2aidl_pcm_format_AudioFormatDescription(enum pcm_format legacy);
36pcm_format aidl2legacy_AudioFormatDescription_pcm_format(
37 const ::aidl::android::media::audio::common::AudioFormatDescription& aidl);
38
39} // namespace aidl::android::hardware::audio::core::usb