67 lines
2.9 KiB
C++
67 lines
2.9 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <media/AudioProfile.h>
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#include <system/audio.h>
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namespace android {
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void sortAudioProfiles(AudioProfileVector &audioProfileVector);
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ssize_t addAudioProfileAndSort(AudioProfileVector &audioProfileVector,
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const sp<AudioProfile> &profile);
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// One audio profile will be added for each format supported by Audio HAL
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void addProfilesForFormats(AudioProfileVector &audioProfileVector,
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const FormatVector &formatVector);
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// This API is intended to be used by the policy manager once retrieving capabilities
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// for a profile with dynamic format, rate and channels attributes
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void addDynamicAudioProfileAndSort(AudioProfileVector &audioProfileVector,
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const sp<AudioProfile> &profileToAdd);
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void appendAudioProfiles(AudioProfileVector &audioProfileVector,
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const AudioProfileVector &audioProfileVectorToAppend);
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status_t checkExactProfile(const AudioProfileVector &audioProfileVector,
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const uint32_t samplingRate,
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audio_channel_mask_t channelMask,
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audio_format_t format);
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status_t checkCompatibleProfile(const AudioProfileVector &audioProfileVector,
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uint32_t &samplingRate,
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audio_channel_mask_t &channelMask,
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audio_format_t &format,
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audio_port_type_t portType,
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audio_port_role_t portRole);
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// Assuming that this profile vector contains input profiles,
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// find the best matching config from 'outputProfiles', according to
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// the given preferences for audio formats and channel masks.
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// Note: std::vectors are used because specialized containers for formats
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// and channels can be sorted and use their own ordering.
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status_t findBestMatchingOutputConfig(
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const AudioProfileVector &audioProfileVector,
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const AudioProfileVector &outputProfileVector,
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const std::vector<audio_format_t> &preferredFormatVector, // order: most pref -> least pref
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const std::vector<audio_channel_mask_t> &preferredOutputChannelVector,
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bool preferHigherSamplingRates,
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audio_config_base &bestOutputConfig);
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} // namespace android
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