/*
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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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#ifndef ANDROID_CHANNELS_H_
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#define ANDROID_CHANNELS_H_
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#include <system/audio.h>
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#include <SLES/OpenSLES.h>
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#define SL_ANDROID_SPEAKER_COUNT_MAX FCC_8
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#define SL_ANDROID_INDEXED_SPEAKER_MASK_ALL ((SLuint32) \
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((1 << SL_ANDROID_SPEAKER_COUNT_MAX) - 1))
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#define SL_ANDROID_POSITIONAL_SPEAKER_MASK_ALL \
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( SL_SPEAKER_FRONT_LEFT \
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| SL_SPEAKER_FRONT_RIGHT \
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| SL_SPEAKER_FRONT_CENTER \
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| SL_SPEAKER_LOW_FREQUENCY \
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| SL_SPEAKER_BACK_LEFT \
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| SL_SPEAKER_BACK_RIGHT \
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| SL_SPEAKER_FRONT_LEFT_OF_CENTER \
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| SL_SPEAKER_FRONT_RIGHT_OF_CENTER \
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| SL_SPEAKER_BACK_CENTER \
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| SL_SPEAKER_SIDE_LEFT \
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| SL_SPEAKER_SIDE_RIGHT \
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| SL_SPEAKER_TOP_CENTER \
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| SL_SPEAKER_TOP_FRONT_LEFT \
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| SL_SPEAKER_TOP_FRONT_CENTER \
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| SL_SPEAKER_TOP_FRONT_RIGHT \
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| SL_SPEAKER_TOP_BACK_LEFT \
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| SL_SPEAKER_TOP_BACK_CENTER \
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| SL_SPEAKER_TOP_BACK_RIGHT )
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// Channel count and channel mask definitions
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#define SL_ANDROID_SPEAKER_QUAD (SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT \
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| SL_SPEAKER_BACK_LEFT | SL_SPEAKER_BACK_RIGHT)
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#define SL_ANDROID_SPEAKER_5DOT1 (SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT \
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| SL_SPEAKER_FRONT_CENTER | SL_SPEAKER_LOW_FREQUENCY| SL_SPEAKER_BACK_LEFT \
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| SL_SPEAKER_BACK_RIGHT)
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#define SL_ANDROID_SPEAKER_7DOT1 (SL_ANDROID_SPEAKER_5DOT1 | SL_SPEAKER_SIDE_LEFT \
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| SL_SPEAKER_SIDE_RIGHT)
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extern SLuint32 sles_channel_out_mask_from_count(unsigned channelCount);
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extern SLuint32 sles_channel_in_mask_from_count(unsigned channelCount);
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extern SLuint32 sles_channel_count_from_mask(SLuint32 mask);
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extern SLboolean sles_is_channel_mask_valid(SLuint32 mask);
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extern audio_channel_representation_t sles_to_audio_channel_mask_representation(SLuint32 mask);
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extern audio_channel_mask_t sles_to_audio_output_channel_mask(SLuint32 mask);
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extern audio_channel_mask_t sles_to_audio_input_channel_mask(SLuint32 mask);
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#define SL_ANDROID_UNKNOWN_CHANNELMASK 0
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#endif // ANDROID_CHANNELS_H_
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